/*
* Python Institute - Unified CSS Framework
* A complete, Bootstrap-inspired CSS framework for the Python Institute website
* All-in-one file with utilities, components, and page-specific styles
*/

/* =========== CSS CUSTOM PROPERTIES =========== */
:root {
    /* Main Brand Colors */
    --primary-color: #005baa;
    --primary-dark: #3a71a1;
    --primary-blue: #005baa;
    --secondary-color: #ffde57;
    --secondary-dark: #ffd633;
    --accent-color: #ff7c1a;

    /* Text Colors */
    --text-dark: #333333;
    --text-color: #333;
    --text-light: #ffffff;
    --text-secondary: #666;
    --gray-dark: #333333;
    --gray-medium: #666666;
    --gray-light: #f5f5f5;

    /* Background Colors */
    --secondary-bg: #f2f7fc;
    --bg-gradient-start: #f8fafc;
    --bg-gradient-end: #e3f2fd;

    /* Border Colors */
    --border-color: #e0e0e0;
    --border-light: #f0f0f0;

    /* Level Colors */
    --beginner-color: #4caf50;
    --intermediate-color: #2196f3;
    --advanced-color: #9c27b0;
    --expert-color: #f44336;

    /* Additional Colors */
    --white: #ffffff;
    --light-blue: #007bff;
    --dark-blue: #0056b3;
    --light-gray: #f5f7fa;
    --light-gray-2: #e4e9f2;
    --light-gray-3: #f8f9fa;
    --light-gray-4: #e3f2fd;
    --light-gray-5: #f0f8ff;
    --light-blue-bg: #e8f4fd;
    --light-blue-bg-2: #cce7ff;
    --light-blue-border: #b3d7ff;
    --gray-bg: #e2e3e5;
    --gray-border: #d6d8db;
    --success-bg: #d4edda;
    --success-border: #c3e6cb;
    --danger-bg: #f8d7da;
    --danger-border: #f5c6cb;
    --warning-bg: #fff3cd;
    --warning-border: #ffeaa7;
    --info-bg: #d1ecf1;
    --info-border: #bee5eb;
    --light-bg: #fefefe;
    --light-border: #fdfdfe;
    --dark-bg: #d6d8d9;
    --dark-border: #c6c8ca;
    --secondary-bg-2: #e9ecef;
    --secondary-border: #dae0e5;
    --facebook-color: #1877f2;
    --twitter-color: #1da1f2;
    --linkedin-color: #0077b5;
    --github-color: #333;
    --youtube-color: #ff0000;
    --warning-color: #ffc107;

    /* Typography */
    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;

    /* Shadows */
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius: 8px;
    --radius-sm: 5px;
    --radius-lg: 12px;
    --radius-xl: 25px;
    --radius-round: 50%;

    /* Spacing */
    --spacing-xs: 3.75px;
    --spacing-sm: 7.5px;
    --spacing-md: 15px;
    --spacing-lg: 22.5px;
    --spacing-xl: 30px;
    --spacing-2xl: 37.5px;
    --spacing-3xl: 45px;
    --spacing-4xl: 60px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* =========== RESET & BASE STYLES =========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =========== TYPOGRAPHY =========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

.h1, h1 { font-size: 1.875rem; }
.h2, h2 { font-size: 1.5rem; }
.h3, h3 { font-size: 1.125rem; }
.h4, h4 { font-size: 0.9375rem; }
.h5, h5 { font-size: 0.825rem; }
.h6, h6 { font-size: 0.75rem; }

.display-1 { font-size: 2.25rem; font-weight: 700; }
.display-2 { font-size: 2.1rem; font-weight: 700; }
.display-3 { font-size: 1.875rem; font-weight: 700; }
.display-4 { font-size: 1.65rem; font-weight: 700; }

.lead { font-size: 0.825rem; font-weight: 400; color: var(--gray-medium); }

p { margin-bottom: 0.75rem; line-height: 1.6; }
a { color: var(--primary-color); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
ul, ol { margin-left: 1.125rem; margin-bottom: 0.75rem; }
li { margin-bottom: 0.375rem; }

/* Text utilities */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-success { color: var(--beginner-color) !important; }
.text-info { color: var(--intermediate-color) !important; }
.text-warning { color: var(--secondary-color) !important; }
.text-danger { color: var(--expert-color) !important; }
.text-light { color: var(--text-light) !important; }
.text-dark { color: var(--text-dark) !important; }
.text-muted { color: var(--gray-medium) !important; }
.text-white { color: var(--white) !important; }

.fw-light { font-weight: 300; }
.fw-normal { font-weight: 400; }
.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }
.fw-bolder { font-weight: 900; }

.fst-italic { font-style: italic; }
.fst-normal { font-style: normal; }

/* =========== LAYOUT UTILITIES =========== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

.container-sm { max-width: 576px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 992px; }
.container-xl { max-width: 1200px; }

/* Section utilities */
.section { padding: 22.5px 0; }
.section-sm { padding: 16.875px 0; }
.section-lg { padding: 28.125px 0; }
.section-xl { padding: 33.75px 0; }

/* =========== FLEXBOX UTILITIES =========== */
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }

.flex-row { flex-direction: row; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-column { flex-direction: column; }
.flex-column-reverse { flex-direction: column-reverse; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-wrap-reverse { flex-wrap: wrap-reverse; }

.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.justify-content-evenly { justify-content: space-evenly; }

.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.align-items-center { align-items: center; }
.align-items-baseline { align-items: baseline; }
.align-items-stretch { align-items: stretch; }

.align-self-start { align-self: flex-start; }
.align-self-end { align-self: flex-end; }
.align-self-center { align-self: center; }
.align-self-baseline { align-self: baseline; }
.align-self-stretch { align-self: stretch; }

.flex-fill { flex: 1 1 auto; }
.flex-grow-0 { flex-grow: 0; }
.flex-grow-1 { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-shrink-1 { flex-shrink: 1; }

/* Gap utilities */
.gap-0 { gap: 0; }
.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.gap-5 { gap: var(--spacing-xl); }

.row-gap-0 { row-gap: 0; }
.row-gap-1 { row-gap: var(--spacing-xs); }
.row-gap-2 { row-gap: var(--spacing-sm); }
.row-gap-3 { row-gap: var(--spacing-md); }
.row-gap-4 { row-gap: var(--spacing-lg); }
.row-gap-5 { row-gap: var(--spacing-xl); }

.column-gap-0 { column-gap: 0; }
.column-gap-1 { column-gap: var(--spacing-xs); }
.column-gap-2 { column-gap: var(--spacing-sm); }
.column-gap-3 { column-gap: var(--spacing-md); }
.column-gap-4 { column-gap: var(--spacing-lg); }
.column-gap-5 { column-gap: var(--spacing-xl); }

/* Flex grid system - Replaces CSS Grid */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--spacing-sm));
}

.col {
    flex: 1 0 0%;
    padding: 0 var(--spacing-sm);
}

.col-auto {
    flex: 0 0 auto;
    width: auto;
    padding: 0 var(--spacing-sm);
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; padding: 0 5.625px; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; padding: 0 5.625px; }
.col-3 { flex: 0 0 25%; max-width: 25%; padding: 0 5.625px; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; padding: 0 5.625px; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; padding: 0 5.625px; }
.col-6 { flex: 0 0 50%; max-width: 50%; padding: 0 5.625px; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; padding: 0 5.625px; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; padding: 0 5.625px; }
.col-9 { flex: 0 0 75%; max-width: 75%; padding: 0 5.625px; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; padding: 0 5.625px; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; padding: 0 5.625px; }
.col-12 { flex: 0 0 100%; max-width: 100%; padding: 0 5.625px; }

/* Auto-layout columns using flexbox instead of grid */
.cols-auto { display: flex; flex-wrap: wrap; gap: 11.25px; }
.cols-auto > * { flex: 1 1 300px; min-width: 0; }

.cols-2 { display: flex; flex-wrap: wrap; gap: 11.25px; }
.cols-2 > * { flex: 1 1 calc(50% - 11.25px / 2); min-width: 250px; }

.cols-3 { display: flex; flex-wrap: wrap; gap: 11.25px; }
.cols-3 > * { flex: 1 1 calc(33.333% - 11.25px * 2 / 3); min-width: 200px; }

.cols-4 { display: flex; flex-wrap: wrap; gap: 11.25px; }
.cols-4 > * { flex: 1 1 calc(25% - 11.25px * 3 / 4); min-width: 200px; }

/* Two-column layout for main content + sidebar */
.two-col-layout {
    display: flex;
    gap: 22.5px;
    align-items: flex-start;
    margin-bottom: 28.125px;
}

.two-col-main {
    flex: 2;
    min-width: 0;
    max-width: calc(100% - 300px - 22.5px);
}

.two-col-sidebar {
    flex: 1;
    min-width: 280px;
    max-width: 320px;
    position: sticky;
    top: 16.875px;
}

/* =========== SPACING UTILITIES =========== */
/* Margin utilities */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--spacing-xs) !important; }
.m-2 { margin: var(--spacing-sm) !important; }
.m-3 { margin: var(--spacing-md) !important; }
.m-4 { margin: var(--spacing-lg) !important; }
.m-5 { margin: var(--spacing-xl) !important; }
.m-auto { margin: auto !important; }

.mx-0 { margin-left: 0 !important; margin-right: 0 !important; }
.mx-1 { margin-left: var(--spacing-xs) !important; margin-right: var(--spacing-xs) !important; }
.mx-2 { margin-left: var(--spacing-sm) !important; margin-right: var(--spacing-sm) !important; }
.mx-3 { margin-left: var(--spacing-md) !important; margin-right: var(--spacing-md) !important; }
.mx-4 { margin-left: var(--spacing-lg) !important; margin-right: var(--spacing-lg) !important; }
.mx-5 { margin-left: var(--spacing-xl) !important; margin-right: var(--spacing-xl) !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }
.my-1 { margin-top: var(--spacing-xs) !important; margin-bottom: var(--spacing-xs) !important; }
.my-2 { margin-top: var(--spacing-sm) !important; margin-bottom: var(--spacing-sm) !important; }
.my-3 { margin-top: var(--spacing-md) !important; margin-bottom: var(--spacing-md) !important; }
.my-4 { margin-top: var(--spacing-lg) !important; margin-bottom: var(--spacing-lg) !important; }
.my-5 { margin-top: var(--spacing-xl) !important; margin-bottom: var(--spacing-xl) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.ms-0 { margin-left: 0 !important; }
.ms-1 { margin-left: var(--spacing-xs) !important; }
.ms-2 { margin-left: var(--spacing-sm) !important; }
.ms-3 { margin-left: var(--spacing-md) !important; }
.ms-4 { margin-left: var(--spacing-lg) !important; }
.ms-5 { margin-left: var(--spacing-xl) !important; }
.ms-auto { margin-left: auto !important; }

.me-0 { margin-right: 0 !important; }
.me-1 { margin-right: var(--spacing-xs) !important; }
.me-2 { margin-right: var(--spacing-sm) !important; }
.me-3 { margin-right: var(--spacing-md) !important; }
.me-4 { margin-right: var(--spacing-lg) !important; }
.me-5 { margin-right: var(--spacing-xl) !important; }
.me-auto { margin-right: auto !important; }

/* Padding utilities */
.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-xs) !important; }
.p-2 { padding: var(--spacing-sm) !important; }
.p-3 { padding: var(--spacing-md) !important; }
.p-4 { padding: var(--spacing-lg) !important; }
.p-5 { padding: var(--spacing-xl) !important; }

.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.px-1 { padding-left: var(--spacing-xs) !important; padding-right: var(--spacing-xs) !important; }
.px-2 { padding-left: var(--spacing-sm) !important; padding-right: var(--spacing-sm) !important; }
.px-3 { padding-left: var(--spacing-md) !important; padding-right: var(--spacing-md) !important; }
.px-4 { padding-left: var(--spacing-lg) !important; padding-right: var(--spacing-lg) !important; }
.px-5 { padding-left: var(--spacing-xl) !important; padding-right: var(--spacing-xl) !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-1 { padding-top: var(--spacing-xs) !important; padding-bottom: var(--spacing-xs) !important; }
.py-2 { padding-top: var(--spacing-sm) !important; padding-bottom: var(--spacing-sm) !important; }
.py-3 { padding-top: var(--spacing-md) !important; padding-bottom: var(--spacing-md) !important; }
.py-4 { padding-top: var(--spacing-lg) !important; padding-bottom: var(--spacing-lg) !important; }
.py-5 { padding-top: var(--spacing-xl) !important; padding-bottom: var(--spacing-xl) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--spacing-xs) !important; }
.pt-2 { padding-top: var(--spacing-sm) !important; }
.pt-3 { padding-top: var(--spacing-md) !important; }
.pt-4 { padding-top: var(--spacing-lg) !important; }
.pt-5 { padding-top: var(--spacing-xl) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--spacing-xs) !important; }
.pb-2 { padding-bottom: var(--spacing-sm) !important; }
.pb-3 { padding-bottom: var(--spacing-md) !important; }
.pb-4 { padding-bottom: var(--spacing-lg) !important; }
.pb-5 { padding-bottom: var(--spacing-xl) !important; }

.ps-0 { padding-left: 0 !important; }
.ps-1 { padding-left: var(--spacing-xs) !important; }
.ps-2 { padding-left: var(--spacing-sm) !important; }
.ps-3 { padding-left: var(--spacing-md) !important; }
.ps-4 { padding-left: var(--spacing-lg) !important; }
.ps-5 { padding-left: var(--spacing-xl) !important; }

.pe-0 { padding-right: 0 !important; }
.pe-1 { padding-right: var(--spacing-xs) !important; }
.pe-2 { padding-right: var(--spacing-sm) !important; }
.pe-3 { padding-right: var(--spacing-md) !important; }
.pe-4 { padding-right: var(--spacing-lg) !important; }
.pe-5 { padding-right: var(--spacing-xl) !important; }

/* =========== BACKGROUND UTILITIES =========== */
.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-bg) !important; }
.bg-success { background-color: var(--beginner-color) !important; }
.bg-info { background-color: var(--intermediate-color) !important; }
.bg-warning { background-color: var(--secondary-color) !important; }
.bg-danger { background-color: var(--expert-color) !important; }
.bg-light { background-color: var(--gray-light) !important; }
.bg-dark { background-color: var(--gray-dark) !important; }
.bg-white { background-color: var(--white) !important; }
.bg-transparent { background-color: transparent !important; }

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--light-blue)) !important;
}

.bg-gradient-secondary {
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end)) !important;
}

.bg-gradient-hero {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--light-gray-2) 100%) !important;
}

/* =========== BORDER UTILITIES =========== */
.border { border: 1px solid var(--border-color) !important; }
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid var(--border-color) !important; }
.border-end { border-right: 1px solid var(--border-color) !important; }
.border-bottom { border-bottom: 1px solid var(--border-color) !important; }
.border-start { border-left: 1px solid var(--border-color) !important; }

.border-primary { border-color: var(--primary-color) !important; }
.border-secondary { border-color: var(--border-color) !important; }
.border-light { border-color: var(--border-light) !important; }

.rounded { border-radius: var(--radius) !important; }
.rounded-0 { border-radius: 0 !important; }
.rounded-1 { border-radius: var(--radius-sm) !important; }
.rounded-2 { border-radius: var(--radius) !important; }
.rounded-3 { border-radius: var(--radius-lg) !important; }
.rounded-circle { border-radius: var(--radius-round) !important; }
.rounded-pill { border-radius: var(--radius-xl) !important; }

/* =========== SHADOW UTILITIES =========== */
.shadow-none { box-shadow: none !important; }
.shadow-sm { box-shadow: var(--shadow-light) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-lg { box-shadow: var(--shadow-medium) !important; }
.shadow-xl { box-shadow: var(--shadow-heavy) !important; }

/* =========== POSITION UTILITIES =========== */
.position-static { position: static !important; }
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }

.top-0 { top: 0 !important; }
.top-50 { top: 50% !important; }
.top-100 { top: 100% !important; }
.bottom-0 { bottom: 0 !important; }
.bottom-50 { bottom: 50% !important; }
.bottom-100 { bottom: 100% !important; }
.start-0 { left: 0 !important; }
.start-50 { left: 50% !important; }
.start-100 { left: 100% !important; }
.end-0 { right: 0 !important; }
.end-50 { right: 50% !important; }
.end-100 { right: 100% !important; }

.translate-middle {
    transform: translate(-50%, -50%) !important;
}

.translate-middle-x {
    transform: translateX(-50%) !important;
}

.translate-middle-y {
    transform: translateY(-50%) !important;
}

/* =========== OVERFLOW UTILITIES =========== */
.overflow-auto { overflow: auto !important; }
.overflow-hidden { overflow: hidden !important; }
.overflow-visible { overflow: visible !important; }
.overflow-scroll { overflow: scroll !important; }

/* =========== BUTTON COMPONENTS =========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    transition: all var(--transition);
    font-family: var(--font-body);
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-2px);
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(69, 132, 182, 0.25);
}

.btn:disabled {
    pointer-events: none;
    opacity: 0.65;
}

/* Button variants */
.btn-primary {
    color: var(--text-light);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    color: var(--text-light);
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow);
}

.btn-secondary {
    color: var(--primary-color);
    background-color: var(--white);
    border-color: var(--primary-color);
}

.btn-secondary:hover {
    color: var(--text-light);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary {
    color: var(--primary-color);
    background-color: transparent;
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    color: var(--text-light);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-accent {
    color: var(--text-light);
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-accent:hover {
    color: var(--text-light);
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
}

.btn-light {
    color: var(--text-dark);
    background-color: var(--gray-light);
    border-color: var(--border-color);
}

.btn-light:hover {
    color: var(--text-dark);
    background-color: var(--secondary-bg-2);
    border-color: var(--secondary-border);
}

.btn-link {
    color: var(--primary-color);
    background-color: transparent;
    border-color: transparent;
    text-decoration: underline;
}

.btn-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
    transform: none;
}

/* Button sizes */
.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Button groups */
.btn-group {
    display: inline-flex;
    vertical-align: middle;
}

.btn-group .btn {
    position: relative;
    flex: 1 1 auto;
}

.btn-group .btn:not(:first-child) {
    margin-left: -1px;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.btn-group .btn:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

/* =========== CARD COMPONENTS =========== */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: var(--white);
    background-clip: border-box;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow-light);
    transition: all var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.card-header {
    padding: var(--spacing-md);
    margin-bottom: 0;
    background-color: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid var(--border-light);
    border-top-left-radius: calc(var(--radius) - 1px);
    border-top-right-radius: calc(var(--radius) - 1px);
}

.card-body {
    flex: 1 1 auto;
    padding: var(--spacing-md);
}

.card-footer {
    padding: var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.03);
    border-top: 1px solid var(--border-light);
    border-bottom-left-radius: calc(var(--radius) - 1px);
    border-bottom-right-radius: calc(var(--radius) - 1px);
}

.card-title {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.card-subtitle {
    margin-top: -0.375rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--gray-medium);
}

.card-text:last-child {
    margin-bottom: 0;
}

.card-link {
    color: var(--primary-color);
}

.card-link:hover {
    color: var(--primary-dark);
}

.card-img-top {
    width: 100%;
    border-top-left-radius: calc(var(--radius) - 1px);
    border-top-right-radius: calc(var(--radius) - 1px);
}

/* =========== FORM COMPONENTS =========== */
.form-control {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-dark);
    background-color: var(--white);
    background-image: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    appearance: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
    color: var(--text-dark);
    background-color: var(--white);
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(69, 132, 182, 0.25);
}

.form-control:disabled {
    background-color: var(--gray-light);
    opacity: 1;
}

.form-control::placeholder {
    color: var(--gray-medium);
    opacity: 1;
}

.form-label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-text {
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: var(--gray-medium);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-check {
    display: block;
    min-height: 1.5rem;
    padding-left: 1.5em;
    margin-bottom: 0.125rem;
}

.form-check-input {
    width: 1em;
    height: 1em;
    margin-top: 0.25em;
    margin-left: -1.5em;
    vertical-align: top;
    background-color: #ffffff;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border: 1px solid var(--border-color);
    appearance: none;
    color-adjust: exact;
}

.form-check-input[type="checkbox"] {
    border-radius: 0.25em;
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-label {
    color: var(--text-dark);
    cursor: pointer;
}

.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-dark);
    text-align: center;
    white-space: nowrap;
    background-color: var(--gray-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

/* =========== ALERT COMPONENTS =========== */
.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
}

.alert-primary {
    color: #004085;
    background-color: #cce7ff;
    border-color: #b3d7ff;
}

.alert-secondary {
    color: #383d41;
    background-color: #e2e3e5;
    border-color: #d6d8db;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

.alert-light {
    color: #818182;
    background-color: #fefefe;
    border-color: #fdfdfe;
}

.alert-dark {
    color: #1b1e21;
    background-color: #d6d8d9;
    border-color: #c6c8ca;
}

/* =========== BADGE COMPONENTS =========== */
.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    color: #ffffff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--radius-sm);
}

.badge:empty {
    display: none;
}

.badge-primary { background-color: var(--primary-color); }
.badge-secondary { background-color: var(--gray-medium); }
.badge-success { background-color: var(--beginner-color); }
.badge-danger { background-color: var(--expert-color); }
.badge-warning { background-color: var(--secondary-color); color: var(--text-dark); }
.badge-info { background-color: var(--intermediate-color); }
.badge-light { background-color: var(--gray-light); color: var(--text-dark); }
.badge-dark { background-color: var(--gray-dark); }

.badge-pill {
    padding-right: 0.6em;
    padding-left: 0.6em;
    border-radius: 10rem;
}

/* =========== LEVEL UTILITIES =========== */
.level-beginner { color: var(--beginner-color); }
.level-intermediate { color: var(--intermediate-color); }
.level-advanced { color: var(--advanced-color); }
.level-expert { color: var(--expert-color); }

.bg-level-beginner { background-color: var(--beginner-color); }
.bg-level-intermediate { background-color: var(--intermediate-color); }
.bg-level-advanced { background-color: var(--advanced-color); }
.bg-level-expert { background-color: var(--expert-color); }

.border-level-beginner { border-color: var(--beginner-color); }
.border-level-intermediate { border-color: var(--intermediate-color); }
.border-level-advanced { border-color: var(--advanced-color); }
.border-level-expert { border-color: var(--expert-color); }

/* =========== ENHANCED SECTION COMPONENTS =========== */
.section-header {
    text-align: center;
    position: relative;
    padding: var(--spacing-md) 0;
    overflow: visible;
}

.section-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--primary-color) 50%, transparent 100%);
    transform: translateX(-50%);
}

.section-header .display-2,
.section-header .h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
    padding-bottom: 20px;
}

.section-header .display-2::after,
.section-header .h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    transform: translateX(-50%);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 8px rgba(0, 91, 170, 0.3);
    z-index: 1;
}

.section-header .lead {
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    font-size: 1.125rem;
    color: var(--gray-medium);
    line-height: 1.7;
}

.section-divider {
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 8px rgba(0, 91, 170, 0.3);
}

/* =========== HEADER STYLES =========== */
.header {
    background-color: #ffffff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: color var(--transition);
}

.logo-text:hover {
    color: var(--primary-dark);
}

.nav-links ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0;
}

.nav-link {
    color: var(--gray-dark);
    font-weight: 500;
    padding: 0.75rem 1rem;
    position: relative;
    text-decoration: none;
    transition: all var(--transition);
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(0, 91, 170, 0.05);
}

.nav-link:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--primary-color);
    transition: all var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover:after {
    width: 80%;
}

.mobile-menu-btn {
    display: none;
}

.mobile-menu-btn button {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.mobile-menu-btn button:hover {
    background-color: rgba(0, 91, 170, 0.1);
}

.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #ffffff;
    box-shadow: var(--shadow-heavy);
    border-top: 1px solid var(--border-color);
    z-index: 1000;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-menu.show {
    max-height: 500px;
}

.mobile-menu-header {
    display: flex;
    justify-content: flex-end;
    padding: 1rem 1.5rem 0.5rem;
    border-bottom: 1px solid var(--border-light);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-dark);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.mobile-menu-close:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--primary-color);
}

.mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 1rem 0;
}

.mobile-menu li {
    margin: 0;
}

.mobile-nav-link {
    display: block;
    color: var(--gray-dark);
    font-weight: 500;
    padding: 1rem 1.5rem;
    text-decoration: none;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}

.mobile-nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(0, 91, 170, 0.05);
    border-left-color: var(--primary-color);
}

.logout-form {
    margin: 0;
}

.logout-link {
    background: none !important;
    border: none !important;
    color: var(--gray-dark) !important;
    font-weight: 500 !important;
    cursor: pointer !important;
}

.logout-link:hover {
    color: var(--primary-color) !important;
}

/* =========== DROPDOWN STYLES =========== */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.dropdown-toggle::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.8rem;
    margin-left: 0.25rem;
    transition: transform var(--transition);
    color: var(--primary-color);
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.2s ease;
    z-index: 1000;
    padding: 0.75rem 0;
    backdrop-filter: blur(10px);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dropdown-item {
    display: block;
    padding: 0.875rem 1.25rem;
    color: var(--text-dark);
    text-decoration: none;
    transition: all var(--transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    transform: translateX(5px);
}

.dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dropdown-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border-light) 50%, transparent 100%);
    margin: 0.5rem 0;
    opacity: 0.6;
}

.mobile-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0.5rem 0;
    opacity: 0.3;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========== ADDITIONAL RESOURCES & CTA BANNER =========== */
.additional-resources {
    margin: var(--spacing-2xl) 0;
    text-align: center;
}

.additional-resources h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: 1.8rem;
}

.resources-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.resources-container > * {
    flex: 1 1 300px;
    min-width: 0;
}

.resource-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray-3) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    transition: all var(--transition);
    border: 2px solid var(--border-light);
    text-align: center;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.resource-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow);
}

.resource-card h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.resource-card p {
    color: var(--gray-medium);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.resource-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition);
}

.resource-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* CTA Banner Enhanced */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="white" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
}

.cta-banner > * {
    position: relative;
    z-index: 1;
}

.cta-banner h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    min-width: 180px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.cta-buttons .btn-primary {
    background: var(--secondary-color);
    color: var(--text-dark);
    border-color: var(--secondary-color);
}

.cta-buttons .btn-primary:hover {
    background: var(--secondary-dark);
    border-color: var(--secondary-dark);
    transform: translateY(-2px);
}

.cta-buttons .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta-buttons .btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* =========== HERO SECTION =========== */
.hero-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f2 100%);
    padding: var(--spacing-4xl) 0;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.hero-text {
    flex: 1;
}

.hero-text .display-1 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.hero-text .display-4 {
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.hero-text .lead {
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.python-logo {
    width: 250px;
    height: 250px;
    background-color: var(--secondary-color);
    border-radius: var(--radius-round);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
}

.python-logo svg {
    width: 120px;
    height: 120px;
}

.python-logo p {
    margin-top: var(--spacing-sm);
    font-weight: 700;
    color: var(--primary-color);
}

/* =========== FEATURE CARDS =========== */
.feature-cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.feature-cards > * {
    flex: 1 1 300px;
    min-width: 0;
}

.feature-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-round);
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card .h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--gray-medium);
}

/* =========== COURSE COMPONENTS =========== */
.course-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.course-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition);
}

.course-tab:hover {
    background-color: var(--gray-light);
}

.course-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.course-cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-1xl);
}

.course-cards > * {
    flex: 1 1 350px;
    min-width: 0;
}

.course-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.course-card-header {
    height: 10px;
}

.course-card-header.beginner {
    background-color: var(--beginner-color);
}

.course-card-header.intermediate {
    background-color: var(--intermediate-color);
}

.course-card-header.advanced {
    background-color: var(--advanced-color);
}

.course-card-header.expert {
    background-color: var(--expert-color);
}

.course-card-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-title {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.course-title .h3 {
    font-size: 1.4rem;
    margin-bottom: 0;
    flex: 1;
}

.course-card-content > p {
    color: var(--gray-medium);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.course-level {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    margin-left: var(--spacing-sm);
}

.course-level.beginner {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--beginner-color);
}

.course-level.intermediate {
    background-color: rgba(33, 150, 243, 0.1);
    color: var(--intermediate-color);
}

.course-level.advanced {
    background-color: rgba(156, 39, 176, 0.1);
    color: var(--advanced-color);
}

.course-level.expert {
    background-color: rgba(244, 67, 54, 0.1);
    color: var(--expert-color);
}

.course-topics {
    margin: var(--spacing-md) 0;
    background-color: var(--gray-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    flex: 1;
}

.course-topics .h4 {
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.course-topics ul {
    list-style: none;
    margin-left: 0;
}

.course-topics li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.course-topics li:before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.course-details {
    display: flex;
    justify-content: space-between;
    margin: var(--spacing-md) 0;
    color: var(--gray-medium);
    font-size: 0.9rem;
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--border-light);
}

.course-duration,
.course-certification {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.course-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: auto;
    padding-top: var(--spacing-md);
}

.course-actions .btn {
    flex: 1;
    text-align: center;
}

.course-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.course-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    background: white;
    color: var(--gray-medium);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    font-weight: 500;
    min-width: 120px;
}

.course-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.course-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Loading and error states */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--primary-color);
    border-radius: var(--radius-round);
    animation: spin 1s linear infinite;
}

.error-message,
.no-courses-message {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--gray-medium);
}

.error-message i,
.no-courses-message i {
    font-size: 3rem;
    color: var(--gray-medium);
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =========== LEARNING PATH COMPONENTS =========== */
.learning-path {
    margin: var(--spacing-3xl) 0;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
    border-radius: var(--radius-lg);
    position: relative;
}

.learning-path h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-2xl);
    font-size: 1.8rem;
}

.path-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: relative;
}

.path-steps::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 30px;
    bottom: 30px;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-xl);
}

.path-step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow);
    border: 3px solid white;
}

.step-content {
    flex: 1;
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    margin-top: 10px;
}

.step-content h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.step-content p {
    color: var(--gray-medium);
    line-height: 1.6;
    margin: 0;
}

/* =========== CERTIFICATE COMPONENTS =========== */
.certificate-detail-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
}

/* Exam Info Page Specific Styles */
.exam-info-section {
    padding: var(--spacing-2xl) 0;
}

.exam-tabs-container {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: var(--spacing-2xl);
}

.exam-tabs {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--border-light);
    background: var(--secondary-bg);
}

.exam-tab {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition);
    border-bottom: 3px solid transparent;
}

.exam-tab:hover {
    background: rgba(0, 91, 170, 0.05);
    color: var(--primary-color);
}

.exam-tab.active {
    background: white;
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.exam-tab-content {
    padding: var(--spacing-2xl);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.exam-info-cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.exam-info-cards > * {
    flex: 1 1 300px;
    min-width: 0;
}

.exam-info-card {
    background: var(--secondary-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.exam-info-card h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.exam-info-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.exam-info-card li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: 1.5rem;
}

.exam-info-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--beginner-color);
    font-weight: bold;
}

.exam-table-container {
    overflow-x: auto;
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius);
    box-shadow: var(--shadow-light);
}

.exam-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.exam-table th,
.exam-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.exam-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    position: sticky;
    top: 0;
}

.exam-table tr:hover {
    background: var(--secondary-bg);
}

.exam-policies {
    background: var(--secondary-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    margin: var(--spacing-xl) 0;
}

.exam-policies ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.exam-policies li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.exam-policies li:last-child {
    border-bottom: none;
}

.exam-cta {
    text-align: center;
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color), #007bff);
    border-radius: var(--radius-lg);
    color: white;
}

.exam-cta .btn {
    margin: 0 var(--spacing-sm);
}

.technical-requirements {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-2xl);
    margin: var(--spacing-2xl) 0;
}

.req-cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.req-cards > * {
    flex: 1 1 280px;
    min-width: 0;
}

.req-card {
    background: var(--secondary-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border-light);
}

.req-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.5rem;
}

.req-card h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.req-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: left;
}

.req-card li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: 1.5rem;
}

.req-card li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Payment Page Specific Styles */
.payment-section {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-2xl);
    margin: var(--spacing-xl) 0;
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.payment-methods > * {
    flex: 1 1 200px;
    min-width: 0;
}

.method-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--secondary-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.method-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.payment-actions {
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.payment-actions .btn {
    margin: 0 var(--spacing-sm);
}

.order-summary {
    background: var(--secondary-bg);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
}

.order-item:last-child {
    border-bottom: none;
}

.item-info h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.item-code {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.item-description {
    color: var(--gray-medium);
    font-size: 0.9rem;
    margin: 0;
}

.item-details {
    text-align: right;
    min-width: 120px;
}

.item-details > div {
    margin-bottom: var(--spacing-xs);
}

.item-details .total {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.voucher-section {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-2xl);
    margin: var(--spacing-xl) 0;
}

.voucher-card {
    background: var(--secondary-bg);
    border: 2px solid var(--border-light);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    transition: all var(--transition);
}

.voucher-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-light);
}

.voucher-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.voucher-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-active {
    background: var(--beginner-color);
    color: white;
}

.status-used {
    background: var(--gray-medium);
    color: white;
}

.status-expired {
    background: var(--expert-color);
    color: white;
}

.voucher-code-section {
    margin: var(--spacing-lg) 0;
}

.voucher-code-section label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.voucher-code {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-md);
}

.voucher-code code {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    background: var(--secondary-bg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.copy-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--transition);
}

.copy-btn:hover {
    background: var(--primary-dark);
}

.voucher-details {
    margin-top: var(--spacing-lg);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row .label {
    font-weight: 600;
    color: var(--text-dark);
}

.detail-row .value {
    color: var(--text-secondary);
}

.next-steps {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-2xl);
    margin: var(--spacing-xl) 0;
}

.steps-list {
    counter-reset: step-counter;
    list-style: none;
    margin: var(--spacing-lg) 0;
    padding: 0;
}

.steps-list li {
    counter-increment: step-counter;
    position: relative;
    padding: var(--spacing-lg) 0 var(--spacing-lg) 3rem;
    border-bottom: 1px solid var(--border-light);
}

.steps-list li:last-child {
    border-bottom: none;
}

.steps-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: var(--spacing-lg);
    width: 2rem;
    height: 2rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.steps-list strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.content-grid {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
    margin-bottom: var(--spacing-2xl);
}

.main-content {
    flex: 2;
    min-width: 0;
}

.sidebar-content {
    flex: 1;
    min-width: 280px;
    max-width: 320px;
}

.header-block {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color), #007bff);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.header-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.header-block > * {
    position: relative;
    z-index: 1;
}

.header-block h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.header-block .subtitle {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.header-block .description {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.95;
}

/* Course Detail Page Specific Styles */
.course-detail-content {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
    margin-bottom: var(--spacing-2xl);
}

.course-detail-main {
    flex: 2;
    min-width: 0;
}

.course-detail-sidebar {
    flex: 1;
    min-width: 280px;
    max-width: 320px;
    position: sticky;
    top: var(--spacing-lg);
}

.course-detail-section {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.course-detail-section h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    border-bottom: 2px solid var(--border-light);
    padding-bottom: var(--spacing-sm);
}

.keypoints-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.keypoints-list li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--secondary-bg);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
    position: relative;
    transition: all var(--transition);
}

.keypoints-list li:hover {
    background: #e8f4fd;
    transform: translateX(5px);
}

.keypoints-list li span {
    font-weight: 500;
    color: var(--text-dark);
}

.prerequisites-content {
    background: var(--secondary-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border-left: 4px solid var(--intermediate-color);
}

.audience-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.audience-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--secondary-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.audience-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-light);
}

.audience-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
}

.audience-item div p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.sidebar-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.sidebar-card-header {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
}

.sidebar-card-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.sidebar-card-content {
    padding: var(--spacing-lg);
}

.sidebar-info-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-info-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-info-list li:last-child {
    border-bottom: none;
}

.sidebar-info-list i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
}

.sidebar-info-list div strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.sidebar-info-list div p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.sidebar-cta {
    margin-top: var(--spacing-lg);
}

.sidebar-cta .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

.mini-learning-path {
    margin: var(--spacing-lg) 0;
}

.path-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--secondary-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.path-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.path-item.completed {
    background: var(--beginner-color);
    color: white;
    border-color: var(--beginner-color);
}

.path-number {
    width: 1.5rem;
    height: 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.path-item.active .path-number,
.path-item.completed .path-number {
    background: rgba(255, 255, 255, 0.3);
}

.path-item p {
    margin: 0;
    font-size: 0.9rem;
}

.path-connector {
    width: 2px;
    height: 20px;
    background: var(--border-light);
    margin: 0 auto var(--spacing-sm);
}

.path-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.course-testimonials {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-2xl);
    margin: var(--spacing-2xl) 0;
}

.course-testimonials h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
    font-size: 1.8rem;
}

.testimonial-cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.testimonial-cards > * {
    flex: 1 1 300px;
    min-width: 0;
}

.testimonial-card {
    background: var(--secondary-bg);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.testimonial-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-light);
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.author-info h4 {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--text-dark);
    font-size: 1rem;
}

.author-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Enhanced Certificate Detail Page Styles */
.certificate-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #007bff 50%, #0056b3 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.certificate-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.certificate-hero > * {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-badge i {
    font-size: 1.2rem;
}

.hero-badge span {
    font-weight: 600;
    font-size: 1.1rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    color: white;
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    color: white;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    opacity: 0.95;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-stats > * {
    flex: 1 1 120px;
    min-width: 0;
}

.hero-cta {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.hero-cta .btn {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.hero-cta .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.hero-cta .btn:hover::before {
    left: 100%;
}

.hero-cta .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.hero-cta .btn:active {
    transform: translateY(-1px);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.certificate-content-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.certificate-content-grid > .main-content {
    flex: 2 1 0;
    min-width: 0;
}

.certificate-content-grid > .sidebar-content {
    flex: 1 1 300px;
    min-width: 0;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.content-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all var(--transition);
}

.content-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--secondary-bg) 0%, #f8f9fa 100%);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
    position: relative;
}

.header-icon i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    line-height: 1;
    display: block;
}

.card-header h2 {
    margin: 0;
    color: var(--text-dark);
    font-size: 1.5rem;
}

.card-content {
    padding: var(--spacing-xl);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.skills-grid > * {
    flex: 1 1 150px;
    min-width: 0;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--secondary-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.skill-item:hover {
    border-color: var(--primary-color);
    background: #e8f4fd;
}

.skill-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.skill-item span {
    font-weight: 500;
    color: var(--text-dark);
}

.benefits-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--secondary-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.benefit-item:hover {
    border-color: var(--primary-color);
    background: #e8f4fd;
}

.benefit-icon {
    color: var(--beginner-color);
    font-size: 1.5rem;
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
}

.benefit-content h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.benefit-content p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.career-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.career-stats > * {
    flex: 1 1 200px;
    min-width: 0;
}

.career-stat {
    text-align: center;
    padding: var(--spacing-lg);
}

.stat-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #007bff);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    position: relative;
}

.stat-circle::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #007bff);
    opacity: 0.3;
    z-index: -1;
}

.career-stat h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-dark);
    font-size: 1.2rem;
}

.career-stat p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.testimonials-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--secondary-bg);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.testimonial-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-light);
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: 1.1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.author-info h4 {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--text-dark);
    font-size: 1rem;
}

.author-info p {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.author-rating {
    color: #ffc107;
    font-size: 0.9rem;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all var(--transition);
}

.sidebar-card:hover {
    box-shadow: var(--shadow-medium);
}

.sidebar-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #007bff 100%);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.sidebar-card .card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.2;
}

.sidebar-card .card-header > * {
    position: relative;
    z-index: 1;
}

.sidebar-card .card-header h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
}

.sidebar-card .card-header p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    font-weight: 400;
}

.urgency-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-md);
}

.pricing-section {
    padding: var(--spacing-lg);
}

.pricing-card {
    border: 2px solid var(--border-light);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    background: white;
    position: relative;
    transition: all var(--transition);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f0f8ff 0%, #ffffff 100%);
}

.pricing-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.plan-header h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-dark);
    font-size: 1.2rem;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.currency {
    font-size: 1rem;
    color: var(--text-secondary);
}

.amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.plan-features {
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.feature-item i {
    color: var(--beginner-color);
    font-size: 1rem;
    width: 16px;
}

.plan-action {
    text-align: center;
}

.plan-action .btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.plan-action .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.security-notice {
    padding: var(--spacing-lg);
    background: var(--secondary-bg);
    text-align: center;
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.security-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.security-badge i {
    color: var(--beginner-color);
}

.payment-methods {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.payment-methods i {
    margin: 0 var(--spacing-xs);
}

.certification-path {
    padding: var(--spacing-md);
}

.path-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: var(--secondary-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.path-step.current {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.path-step:hover {
    border-color: var(--primary-color);
}

.step-marker {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.path-step.current .step-marker {
    background: white;
    color: var(--primary-color);
}

.step-content h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.step-content p {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--text-secondary);
}

.path-connector {
    width: 2px;
    height: 12px;
    background: var(--border-light);
    margin: 0 auto var(--spacing-xs);
    margin-left: 12px;
}

.exam-details {
    padding: var(--spacing-lg);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.detail-value {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: right;
}

.syllabus-link {
    padding: var(--spacing-lg);
    text-align: center;
    border-top: 1px solid var(--border-light);
}

.resources-list {
    padding: var(--spacing-lg);
}

.resource-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius);
    transition: all var(--transition);
    margin-bottom: var(--spacing-sm);
}

.resource-item:hover {
    background: var(--secondary-bg);
    color: var(--primary-color);
}

.resource-item i {
    font-size: 1.2rem;
    width: 20px;
}

.bottom-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #007bff 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-2xl);
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.cta-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Animation Styles for Certificate Detail Page */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.content-card {
    animation: fadeInUp 0.6s ease-out;
}

.sidebar-card {
    animation: slideInRight 0.6s ease-out;
}

.certificate-hero {
    animation: fadeInUp 0.8s ease-out;
}

.hero-stats .stat-item {
    animation: fadeInUp 0.6s ease-out;
    animation-delay: calc(var(--animation-order, 0) * 0.1s);
}

.skills-grid .skill-item {
    animation: fadeInUp 0.6s ease-out;
    animation-delay: calc(var(--animation-order, 0) * 0.1s);
}

.benefit-item {
    animation: slideInLeft 0.6s ease-out;
    animation-delay: calc(var(--animation-order, 0) * 0.1s);
}

.career-stat {
    animation: fadeInUp 0.6s ease-out;
    animation-delay: calc(var(--animation-order, 0) * 0.2s);
}

.testimonial-card {
    animation: slideInLeft 0.6s ease-out;
    animation-delay: calc(var(--animation-order, 0) * 0.2s);
}

.pricing-card {
    animation: slideInRight 0.6s ease-out;
    animation-delay: calc(var(--animation-order, 0) * 0.1s);
}

.path-step {
    animation: fadeInUp 0.6s ease-out;
    animation-delay: calc(var(--animation-order, 0) * 0.1s);
}

/* Hover Effects */
.content-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.sidebar-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.skill-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 91, 170, 0.15);
}

.benefit-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 91, 170, 0.1);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.pricing-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 91, 170, 0.15);
}

.path-step:hover {
    transform: translateX(5px);
}

/* Interactive Elements */
.stat-circle:hover {
    animation: pulse 0.6s ease-in-out;
}

.hero-badge:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.3);
}

.popular-badge {
    animation: pulse 2s ease-in-out infinite;
}

/* Loading States */
.btn:active {
    transform: translateY(1px);
}

.btn.btn-large:active {
    transform: translateY(2px);
}

/* Focus States for Accessibility */
.content-card:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.skill-item:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.benefit-item:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* =========== CONTACT PAGE STYLES =========== */

.contact-main {
    padding: var(--spacing-2xl) 0;
    background: var(--secondary-bg);
}

.contact-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

.contact-grid > .contact-form-section {
    flex: 2 1 0;
    min-width: 0;
}

.contact-grid > .contact-info-section {
    flex: 1 1 300px;
    min-width: 0;
}

.contact-form-section {
    position: sticky;
    top: var(--spacing-lg);
}

.form-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all var(--transition);
}

.form-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.form-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #007bff 100%);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.form-card .card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.2;
}

.form-card .card-header > * {
    position: relative;
    z-index: 1;
}

.form-card .card-header h2 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.3rem;
    font-weight: 700;
}

.form-card .card-header p {
    margin: 0 0 var(--spacing-md) 0;
    opacity: 0.9;
    font-size: 0.95rem;
}

.header-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.decoration-line {
    width: 30px;
    height: 2px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 1px;
}

.decoration-dot {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.contact-form {
    padding: var(--spacing-xl);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.form-row > * {
    flex: 1 1 calc(50% - var(--spacing-lg) / 2);
    min-width: 250px;
}

.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--border-light);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all var(--transition);
    background: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 91, 170, 0.1);
}

.form-group.focused label {
    color: var(--primary-color);
}



.select-wrapper {
    position: relative;
}



.checkbox-group {
    margin-bottom: var(--spacing-xl);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition);
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
}

.link-primary {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.link-primary:hover {
    text-decoration: underline;
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all var(--transition);
}

.info-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.info-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #007bff 100%);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.info-card .card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.2;
}

.info-card .card-header > * {
    position: relative;
    z-index: 1;
}

.info-card .card-header h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.info-card .card-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.85rem;
}

.contact-details {
    padding: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-content h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.contact-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact-content a:hover {
    text-decoration: underline;
}

.contact-content p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.social-links {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius);
    transition: all var(--transition);
    border: 1px solid var(--border-light);
}

.social-link:hover {
    background: var(--secondary-bg);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.social-link i {
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.social-link.facebook:hover {
    color: #1877f2;
    border-color: #1877f2;
}

.social-link.twitter:hover {
    color: #1da1f2;
    border-color: #1da1f2;
}

.social-link.linkedin:hover {
    color: #0077b5;
    border-color: #0077b5;
}

.social-link.github:hover {
    color: #333;
    border-color: #333;
}

.social-link.youtube:hover {
    color: #ff0000;
    border-color: #ff0000;
}



/* Form Success State */
.btn.success {
    background: var(--beginner-color);
    border-color: var(--beginner-color);
}

.success-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-2xl);
    text-align: center;
    z-index: 1000;
    animation: slideInUp 0.5s ease-out;
}

.success-content i {
    font-size: 3rem;
    color: var(--beginner-color);
    margin-bottom: var(--spacing-md);
}

.success-content h3 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-dark);
    font-size: 1.5rem;
}

.success-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1rem;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translate(-50%, -30%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* Enhanced animations */
.stat-number.animate {
    animation: countUp 1s ease-out;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Additional Detail Page Improvements */
.certification-path {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.certification-path h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-size: 1.5rem;
}

.path-steps {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.step {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md);
    background: var(--secondary-bg);
    border-radius: var(--radius);
    border: 2px solid var(--border-light);
    transition: all var(--transition);
    position: relative;
}

.step.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.step:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.exam-info {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.exam-info h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    border-bottom: 2px solid var(--border-light);
    padding-bottom: var(--spacing-sm);
}

.exam-info .exam-table {
    margin: 0;
}

.exam-info .exam-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.exam-info .exam-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.exam-info .exam-table tr:last-child td {
    border-bottom: none;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color), #007bff);
    color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin: var(--spacing-xl) 0;
    box-shadow: var(--shadow);
}

.cta-box h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.cta-box p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.cta-box .btn {
    margin: 0 var(--spacing-sm);
}

.course-faq {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-2xl);
    margin: var(--spacing-2xl) 0;
}

.course-faq h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
    font-size: 1.8rem;
}

.faq-items {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--secondary-bg);
    cursor: pointer;
    transition: all var(--transition);
}

.faq-question:hover {
    background: rgba(0, 91, 170, 0.05);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.faq-toggle {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: transform var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) !important;
    background: white !important;
    max-height: 0 !important;
    overflow: hidden !important;
    transition: all var(--transition) !important;
    opacity: 0 !important;
    word-wrap: break-word !important;
    white-space: normal !important;
    line-height: 1.6 !important;
    display: block !important;
}

.faq-item.active .faq-answer {
    padding: var(--spacing-lg) !important;
    max-height: none !important;
    opacity: 1 !important;
    overflow: visible !important;
    display: block !important;
}

.faq-answer p {
    margin: 0 0 var(--spacing-sm) 0 !important;
    color: var(--text-secondary) !important;
    line-height: 1.6 !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    hyphens: auto !important;
    display: block !important;
}

.faq-answer p:last-child {
    margin-bottom: 0 !important;
}

.faq-answer ol {
    margin: 0 0 var(--spacing-sm) 0 !important;
    padding-left: var(--spacing-lg) !important;
}

.faq-answer ol li {
    margin-bottom: var(--spacing-xs) !important;
    color: var(--text-secondary) !important;
    line-height: 1.6 !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    hyphens: auto !important;
}

.faq-answer ol li:last-child {
    margin-bottom: 0 !important;
}

.certificate-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color), #007bff);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.certificate-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.certificate-header > * {
    position: relative;
    z-index: 1;
}

.certificate-header .display-2 {
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.certificate-header .subtitle {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.certificate-header .description {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.95;
}

.certificate-content {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.highlight-box {
    background: linear-gradient(135deg, var(--secondary-bg), #e8f4fd);
    border: 1px solid #d1e7f5;
    border-left: 5px solid var(--primary-color);
    padding: var(--spacing-lg);
    margin-bottom: 0;
    border-radius: var(--radius);
}

.highlight-box .h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.why-section {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.why-section .h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.why-section ul {
    list-style: none;
    margin-left: 0;
}

.why-section li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.why-section li:before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--beginner-color);
}

/* =========== FAQ COMPONENTS =========== */
.faq-section {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: #ffffff;
    cursor: pointer;
    transition: background-color var(--transition);
}

.faq-question:hover:not(.active) {
    background-color: rgba(0, 91, 170, 0.05);
}

.faq-question.active {
    background-color: var(--secondary-bg);
}

.faq-question .h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: transform var(--transition);
}

.faq-question.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md) !important;
    background-color: #ffffff !important;
    max-height: 0 !important;
    overflow: hidden !important;
    transition: all var(--transition) !important;
    opacity: 0 !important;
    word-wrap: break-word !important;
    white-space: normal !important;
    line-height: 1.6 !important;
    display: block !important;
}

.faq-item.active .faq-answer {
    padding: var(--spacing-md) !important;
    max-height: none !important;
    opacity: 1 !important;
    overflow: visible !important;
    display: block !important;
}

.faq-answer p {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-secondary);
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    display: block;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer {
    min-height: 0;
    display: block;
    position: relative;
}

.faq-answer ol {
    margin: 0 0 var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

.faq-answer ol li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-answer ol li:last-child {
    margin-bottom: 0;
}

/* =========== ENHANCED CERTIFICATE CARD STYLES =========== */
/* Enhanced Certificate Cards */
.certification-cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.certification-cards > * {
    flex: 1 1 400px;
    min-width: 0;
}

.certification-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: all var(--transition);
    border: 2px solid transparent;
    position: relative;
}

.certification-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.certification-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.cert-badge {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cert-badge::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 3s infinite;
}

.cert-name {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.cert-desc {
    display: block;
    font-size: 1.1rem;
    font-weight: 400;
    opacity: 0.9;
}

.cert-details {
    padding: var(--spacing-lg);
}

.cert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.cert-header h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 0;
    flex: 1;
}

.cert-level {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cert-level.beginner {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--beginner-color);
    border: 2px solid var(--beginner-color);
}

.cert-level.intermediate {
    background-color: rgba(33, 150, 243, 0.1);
    color: var(--intermediate-color);
    border: 2px solid var(--intermediate-color);
}

.cert-level.advanced {
    background-color: rgba(156, 39, 176, 0.1);
    color: var(--advanced-color);
    border: 2px solid var(--advanced-color);
}

.cert-level.expert {
    background-color: rgba(244, 67, 54, 0.1);
    color: var(--expert-color);
    border: 2px solid var(--expert-color);
}

.cert-details > p {
    color: var(--gray-medium);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.exam-details {
    background-color: #f8f9fa;
    padding: var(--spacing-md);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--primary-color);
}

.exam-details h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.exam-details ul {
    margin: 0;
    padding-left: 1.5rem;
}

.exam-details li {
    margin-bottom: 0.5rem;
    color: var(--gray-medium);
}

.cert-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.cert-actions .btn {
    flex: 1;
    text-align: center;
    min-width: 140px;
}

/* Why Certified Section */
.why-certified {
    margin: var(--spacing-2xl) 0;
}

.why-certified h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.certified-reasons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.certified-reason {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    transition: all var(--transition);
    border: 1px solid var(--border-light);
}

.certified-reason:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.reason-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.8rem;
    color: white;
    box-shadow: var(--shadow);
}

.certified-reason h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.certified-reason p {
    color: var(--gray-medium);
    line-height: 1.6;
}

/* Certification Roadmap in Certificate Page */
.cert-roadmap {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.cert-roadmap::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.cert-roadmap h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.roadmap-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.roadmap-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--beginner-color) 0%, var(--intermediate-color) 33%, var(--advanced-color) 66%, var(--expert-color) 100%);
    transform: translateY(-50%);
    z-index: 1;
}

.roadmap-step {
    text-align: center;
    flex: 1;
    min-width: 150px;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-round);
    background: white;
    border: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 auto var(--spacing-sm);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.roadmap-step:hover .step-number {
    transform: scale(1.1);
    background: var(--primary-color);
    color: white;
}

.step-content h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.step-content p {
    color: var(--gray-medium);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.step-level {
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.step-level.beginner {
    background-color: var(--beginner-color);
    color: white;
}

.step-level.intermediate {
    background-color: var(--intermediate-color);
    color: white;
}

.step-level.advanced {
    background-color: var(--advanced-color);
    color: white;
}

.step-level.expert {
    background-color: var(--expert-color);
    color: white;
}

/* Exam Development Section */
.exam-development {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
}

.exam-development h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.exam-dev-content {
    max-width: 800px;
    margin: 0 auto;
}

.exam-dev-content p {
    color: var(--gray-medium);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.exam-dev-content ul {
    padding-left: 2rem;
    margin-bottom: var(--spacing-md);
}

.exam-dev-content li {
    color: var(--gray-medium);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* =========== ENHANCED ROADMAP COMPONENTS =========== */
.roadmap-section {
    background: linear-gradient(135deg, var(--gray-light) 0%, #e8f4fd 100%);
    position: relative;
    overflow: hidden;
}

.roadmap-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(0,91,170,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.3;
}

.learning-roadmap {
    position: relative;
    padding: var(--spacing-2xl) 0;
    z-index: 1;
}

.learning-roadmap::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--beginner-color) 0%, var(--intermediate-color) 33%, var(--advanced-color) 66%, var(--expert-color) 100%);
    transform: translateX(-50%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.roadmap-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
    animation: fadeInUp 0.8s ease;
}

.roadmap-item:nth-child(even) {
    flex-direction: row-reverse;
}

.roadmap-item:nth-child(even) .roadmap-content {
    text-align: right;
}

.roadmap-item:nth-child(even) .roadmap-image {
    order: -1;
}

.roadmap-milestone {
    flex: 0 0 auto;
    z-index: 3;
    position: relative;
}

.milestone-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 var(--spacing-xl);
    box-shadow: var(--shadow-heavy);
    border: 4px solid white;
    transition: all var(--transition);
    position: relative;
}

.milestone-number::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: var(--radius-round);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition);
}

.roadmap-item:hover .milestone-number::before {
    opacity: 1;
}

.roadmap-item:hover .milestone-number {
    transform: scale(1.1);
}

.roadmap-content {
    flex: 1;
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    max-width: 450px;
    position: relative;
    border: 2px solid transparent;
    transition: all var(--transition);
}

.roadmap-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.roadmap-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.roadmap-content .h3,
.roadmap-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.roadmap-content > p {
    color: var(--gray-medium);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.roadmap-image {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    border-radius: var(--radius-round);
    box-shadow: var(--shadow-medium);
    margin: 0 var(--spacing-xl);
    border: 3px solid var(--border-light);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.roadmap-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0,91,170,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition);
}

.roadmap-image:hover::before {
    opacity: 1;
}

.roadmap-image:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
}

.roadmap-image .icon-container {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow);
}

.roadmap-image .icon-container svg,
.roadmap-image .icon-container i {
    width: 30px;
    height: 30px;
}

.roadmap-image p {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
    text-align: center;
}

.roadmap-image.beginner .icon-container {
    background: linear-gradient(135deg, var(--beginner-color) 0%, #66bb6a 100%);
}

.roadmap-image.intermediate .icon-container {
    background: linear-gradient(135deg, var(--intermediate-color) 0%, #42a5f5 100%);
}

.roadmap-image.advanced .icon-container {
    background: linear-gradient(135deg, var(--advanced-color) 0%, #ab47bc 100%);
}

.roadmap-image.expert .icon-container {
    background: linear-gradient(135deg, var(--expert-color) 0%, #ef5350 100%);
}

.roadmap-final {
    text-align: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-heavy);
    margin-top: var(--spacing-3xl);
    border: 2px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.roadmap-final::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--beginner-color) 0%, var(--intermediate-color) 25%, var(--advanced-color) 50%, var(--expert-color) 75%, var(--secondary-color) 100%);
}

.roadmap-final .final-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-heavy);
    animation: pulse 2s infinite;
}

.roadmap-final .final-icon i {
    font-size: 3rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.roadmap-final h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
}

.roadmap-final p {
    color: var(--gray-medium);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.roadmap-details {
    margin-top: var(--spacing-md);
}

.courses-recommended,
.key-topics {
    margin-bottom: var(--spacing-md);
}

.courses-recommended .h4,
.key-topics .h4 {
    color: var(--text-dark);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.roadmap-goal {
    background-color: var(--secondary-bg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
}

/* =========== CONTACT COMPONENTS =========== */
.contact-section {
    background-color: #ffffff;
}

.contact-container {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-form-container {
    flex: 2;
}

.contact-info {
    flex: 1;
}

.contact-form .form-row {
    display: flex;
    gap: var(--spacing-md);
}

.contact-form .form-row .form-group {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =========== TESTIMONIAL COMPONENTS =========== */
.testimonials-section {
    background-color: var(--gray-light);
}

.testimonial-cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.testimonial-cards > * {
    flex: 1 1 350px;
    min-width: 0;
}

.testimonial-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-light);
    position: relative;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-author .h4 {
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    margin: 0;
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.testimonial-rating {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.testimonial-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.testimonial-cert {
    background-color: var(--secondary-bg);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--primary-color);
    font-weight: 600;
}

.testimonial-date {
    color: var(--gray-medium);
}

/* =========== AUTHENTICATION COMPONENTS =========== */
.auth-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f2 100%);
    min-height: calc(100vh - 140px);
    padding: var(--spacing-3xl) 0;
}

.auth-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    max-width: 1000px;
    margin: 0 auto;
}

.auth-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-heavy);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 500px;
    border: 1px solid #e1e8ed;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 2rem;
}

.auth-title {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.auth-subtitle {
    color: var(--gray-medium);
    font-size: 1.1rem;
    margin: 0;
}

.auth-form {
    margin-bottom: var(--spacing-lg);
}

.form-actions {
    margin-bottom: var(--spacing-md);
}

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

.auth-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.auth-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.auth-features {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.auth-features .h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.auth-features ul {
    list-style: none;
    margin-left: 0;
}

.auth-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.auth-features i {
    color: var(--primary-color);
    width: 1.25rem;
}

/* =========== ENHANCED FOOTER STYLES =========== */
.footer {
    background: linear-gradient(135deg, var(--gray-dark) 0%, #2c3e50 100%);
    color: var(--gray-light);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    justify-content: space-between;
}

.footer-about {
    flex: 1 1 250px;
    min-width: 250px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    width: 40px;
    height: 40px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.footer-about p {
    color: #b8c6d3;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-light);
    transition: all var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-links {
    flex: 1 1 200px;
    min-width: 200px;
    max-width: 220px;
}

.footer-links h3 {
    color: white;
    margin-bottom: var(--spacing-lg);
    font-size: 1.25rem;
    position: relative;
    padding-bottom: var(--spacing-sm);
    text-align: left;
}

.footer-links h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--secondary-color);
    border-radius: var(--radius-xl);
}

.footer-links ul {
    list-style: none;
    margin-left: 0;
    text-align: left;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: #b8c6d3;
    text-decoration: none;
    transition: all var(--transition);
    position: relative;
    padding-left: var(--spacing-sm);
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: opacity var(--transition);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: var(--spacing-md);
}

.footer-links a:hover::before {
    opacity: 1;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #b8c6d3;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-legal a {
    color: #b8c6d3;
    text-decoration: none;
    transition: color var(--transition);
    font-size: 0.9rem;
}

.footer-legal a:hover {
    color: var(--secondary-color);
}

#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* =========== RESPONSIVE UTILITIES =========== */
@media (max-width: 1199.98px) {
    .container { max-width: 960px; }
}

@media (max-width: 991.98px) {
    .container { max-width: 720px; }

    /* Footer tablet layout */
    .footer-content {
        gap: var(--spacing-lg);
        justify-content: space-around;
    }

    .footer-about {
        flex: 1 1 300px;
        max-width: 300px;
    }

    .footer-links {
        flex: 1 1 180px;
        max-width: 180px;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        margin-bottom: var(--spacing-lg);
    }

    .two-col-layout {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .two-col-main {
        max-width: 100%;
    }

    .two-col-sidebar {
        max-width: 100%;
        position: static;
        margin-top: var(--spacing-lg);
    }

    .contact-container {
        flex-direction: column;
    }

    .roadmap-item {
        flex-direction: column !important;
        text-align: center !important;
    }

    .milestone-number {
        margin: 0 auto var(--spacing-md);
    }

    .learning-roadmap::before {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .container { max-width: 540px; }

    .cols-2 > * {
        flex: 1 1 100%;
    }

    .cols-3 > * {
        flex: 1 1 100%;
    }

    .cols-4 > * {
        flex: 1 1 100%;
    }

    .row {
        margin: 0;
    }

    .row > * {
        padding: 0;
        margin-bottom: var(--spacing-sm);
    }

    .contact-form .form-row {
        flex-direction: column;
    }

    .hero-buttons {
        justify-content: center;
    }

    .course-actions {
        flex-direction: column;
    }

    .course-details {
        flex-direction: column;
        gap: 0.5rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
    }

    .header-container {
        padding: 0.75rem 0;
    }

    .mobile-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        background-color: #ffffff;
        box-shadow: var(--shadow-heavy);
        border-bottom: 1px solid var(--border-color);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        z-index: 1000;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }

    .mobile-menu.show {
        transform: translateY(0);
    }

    /* Mobile dropdown improvements */
    .dropdown-menu {
        position: static;
        top: auto;
        right: auto;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        min-width: auto;
        padding: 0;
        margin: 0.5rem 0 0 1rem;
        opacity: 1;
        visibility: visible;
        background: transparent;
    }

    .dropdown-item {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
        border-left: 3px solid transparent;
        margin-bottom: 0.25rem;
    }

    .dropdown-item:hover {
        background: rgba(0, 91, 170, 0.05);
        color: var(--primary-color);
        border-left-color: var(--primary-color);
        transform: none;
    }

    .dropdown-divider {
        margin: 0.5rem 1rem;
        background: var(--border-light);
        opacity: 0.3;
    }

    .mobile-nav-link {
        font-size: 1.1rem;
        padding: 1.25rem 1.5rem;
        border-bottom: 1px solid var(--border-light);
    }

    .mobile-nav-link:last-child {
        border-bottom: none;
    }
}

@media (max-width: 575.98px) {
    .container { max-width: 100%; }

    .display-1 { font-size: 1.875rem; }
    .display-2 { font-size: 1.65rem; }
    .display-3 { font-size: 1.5rem; }
    .display-4 { font-size: 1.35rem; }

    .section { padding: 16.875px 0; }
    .section-lg { padding: 22.5px 0; }

    .hero-section {
        padding: var(--spacing-2xl) 0;
    }

    .python-logo {
        width: 200px;
        height: 200px;
    }

    .auth-card {
        padding: var(--spacing-md);
    }

    .btn-group {
        flex-direction: column;
    }

    .btn-group .btn {
        border-radius: var(--radius-sm) !important;
        margin-left: 0;
        margin-bottom: -1px;
    }

    /* Certificate cards responsive */
    .certification-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .cert-actions {
        flex-direction: column;
    }

    .cert-actions .btn {
        min-width: auto;
    }

    .certified-reasons {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Roadmap responsive */
    .roadmap-item {
        flex-direction: column !important;
        text-align: center !important;
        margin-bottom: var(--spacing-xl);
    }

    .roadmap-item:nth-child(even) .roadmap-content {
        text-align: center;
    }

    .roadmap-item:nth-child(even) .roadmap-image {
        order: 0;
    }

    .learning-roadmap::before {
        display: none;
    }

    .milestone-number {
        margin: var(--spacing-md) 0;
    }

    .roadmap-content {
        max-width: 100%;
        margin-top: var(--spacing-md);
    }

    .roadmap-image {
        width: 120px;
        height: 120px;
        margin: var(--spacing-md) auto;
    }

    .roadmap-details {
        text-align: left;
    }

    /* Resource cards responsive */
    .resources-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        min-width: 200px;
    }

    /* Course cards responsive */
    .course-cards {
        gap: var(--spacing-md);
    }

    .course-cards > * {
        flex: 1 1 100%;
    }

    .course-actions {
        flex-direction: column;
    }

    .course-actions .btn {
        min-width: auto;
    }

    .course-tabs {
        flex-direction: column;
        align-items: center;
    }

    .course-tab {
        min-width: 200px;
        text-align: center;
    }

    /* Learning path responsive */
    .path-steps::before {
        display: none;
    }

    .path-step {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .step-content {
        margin-top: 0;
    }

    /* Footer responsive */
    .footer-content {
        gap: var(--spacing-lg);
        justify-content: center;
    }

    .footer-about {
        flex: 1 1 100%;
        text-align: center;
        max-width: 400px;
    }

    .footer-links {
        flex: 1 1 100%;
        text-align: center;
        max-width: 250px;
    }

    /* Two-column layout mobile improvements */
    .two-col-layout {
        gap: var(--spacing-md);
    }

    .two-col-sidebar {
        margin-top: var(--spacing-md);
    }

    /* Certificate detail improvements */
    .certificate-header {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .certificate-header .display-2 {
        font-size: 2rem;
    }

    .certificate-header .subtitle {
        font-size: 1.1rem;
    }

    .certificate-header .description {
        font-size: 1rem;
    }

    /* Content grid responsive */
    .content-grid {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .main-content {
        max-width: 100%;
    }

    .sidebar-content {
        max-width: 100%;
    }

    /* Payment pages responsive */
    .payment-methods {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-sm);
    }

    .order-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .item-details {
        text-align: left;
        width: 100%;
    }

    .voucher-code {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .voucher-code code {
        text-align: center;
    }

    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .steps-list li {
        padding-left: 2.5rem;
    }

    .steps-list li::before {
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.8rem;
    }

    /* Header block responsive */
    .header-block {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .header-block h1 {
        font-size: 2rem;
    }

    .header-block .subtitle {
        font-size: 1.1rem;
    }

    .header-block .description {
        font-size: 1rem;
    }

    /* Course detail responsive */
    .course-detail-content {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .course-detail-main {
        max-width: 100%;
    }

    .course-detail-sidebar {
        max-width: 100%;
        position: static;
        margin-top: var(--spacing-lg);
    }

    .testimonial-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .audience-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .audience-item i {
        margin-top: 0;
    }

    /* Enhanced Certificate Detail Page Responsive */
    .certificate-hero {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .hero-cta .btn {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1rem;
    }

    .certificate-content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .main-content {
        gap: var(--spacing-lg);
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .career-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stat-circle {
        width: 80px;
        height: 80px;
        font-size: 1.5rem;
    }

    .testimonials-grid {
        gap: var(--spacing-md);
    }

    .testimonial-author {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .sidebar-content {
        gap: var(--spacing-md);
    }

    .pricing-card {
        padding: var(--spacing-md);
    }

    .plan-header h4 {
        font-size: 1.1rem;
    }

    .amount {
        font-size: 1.5rem;
    }

    .security-badges {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .path-step {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .step-marker {
        margin: 0 auto;
    }

    .path-connector {
        width: 20px;
        height: 2px;
        margin: var(--spacing-sm) auto;
        margin-left: auto;
    }

    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .detail-value {
        text-align: left;
    }

    .cta-content h2 {
        font-size: 1.8rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .cta-buttons .btn {
        width: 100%;
    }



    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .contact-form-section {
        position: static;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .contact-form {
        padding: var(--spacing-xl);
    }



    .social-links {
        gap: var(--spacing-xs);
    }

    .social-link {
        padding: var(--spacing-sm);
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .contact-icon {
        margin: 0 auto;
    }

    /* Additional responsive improvements */
    .path-steps {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .step {
        width: 100%;
    }

    .exam-info-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .req-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .exam-tabs {
        flex-direction: column;
    }

    .exam-tab {
        border-bottom: none;
        border-right: 3px solid transparent;
    }

    .exam-tab.active {
        border-right-color: var(--primary-color);
        border-bottom-color: transparent;
    }

    .faq-question {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .faq-toggle {
        align-self: flex-end;
    }

    .footer-links h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .footer-legal {
        justify-content: center;
    }
}

/* =========== UTILITY CLASSES FOR ANIMATIONS =========== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* =========== ACCESSIBILITY =========== */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: 1em;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
}

.skip-link:focus {
    left: 0;
    top: 0;
}

:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* =========== PRINT STYLES =========== */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    .header,
    .footer,
    .nav-links,
    .btn,
    .mobile-menu-btn {
        display: none;
    }

    .container {
        max-width: none;
        width: auto;
        margin: 0;
        padding: 0;
    }

    .section {
        padding: 1rem 0;
    }
}