/*
Theme Name: UKTekIndia
Theme URI: http://localhost/wordpress
Author: WebMind Solutions
Author URI: http://localhost/wordpress
Description: A premium educational template for Python Programming and Spoken English classes. Features modern glassmorphism design, smooth animations, and responsive layout.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: edulearn
Tags: education, courses, custom-menu, featured-images, threaded-comments
*/

/* ========================================
   CSS Custom Properties (Design Tokens)
======================================== */
:root {
    /* Primary Palette - Blue */
    --primary: #1D4ED8;
    --primary-light: #3B82F6;
    --primary-dark: #1E3A8A;
    --primary-glow: rgba(29, 78, 216, 0.25);

    /* Accent / Secondary - Deeper Blue */
    --accent: #0284C7;
    --accent-light: #0EA5E9;
    --accent-dark: #0369A1;
    --accent-glow: rgba(2, 132, 199, 0.25);

    /* Python Brand */
    --python-blue: #306998;
    --python-yellow: #FFD43B;

    /* English / Communication */
    --english-coral: #2563EB;
    --english-rose: #7C3AED;

    /* Neutrals - Light Theme */
    --bg-dark: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F0F4FF;
    --bg-surface: #F1F5F9;
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --border-color: rgba(30, 58, 138, 0.1);

    /* Glass - Light */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(30, 58, 138, 0.12);
    --glass-shadow: 0 8px 32px rgba(30, 58, 138, 0.08);

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Reset & Base
======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Typography
======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.25rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 12px;
    display: inline-block;
}

.section-title {
    margin-bottom: 20px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 60px;
}

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

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary-light);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(29, 78, 216, 0.08);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #FFFFFF;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

/* ========================================
   Header / Navigation
======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.site-header.scrolled {
    background: rgba(232, 248, 248, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(14, 165, 166, 0.12);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(14, 165, 166, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-img {
    height: 48px;
    width: auto;
    display: block;
    object-fit: contain;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.logo-text span {
    color: var(--accent);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    background: rgba(29, 78, 216, 0.08);
}

.nav-cta {
    background: linear-gradient(135deg, #0EA5A6, #4CAF50) !important;
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(14, 165, 166, 0.3);
}

.nav-cta:hover {
    box-shadow: 0 6px 24px rgba(14, 165, 166, 0.4) !important;
    background: linear-gradient(135deg, #0C9494, #43A047) !important;
}

.nav-exam {
    background: linear-gradient(135deg, #1D4ED8, #3B82F6) !important;
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(29, 78, 216, 0.3);
    font-weight: 600 !important;
}

.nav-exam:hover {
    box-shadow: 0 6px 24px rgba(29, 78, 216, 0.4) !important;
    background: linear-gradient(135deg, #1E40AF, #2563EB) !important;
}

.nav-student {
    background: linear-gradient(135deg, #6366f1, #8b5cf6) !important;
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    font-weight: 600 !important;
}

.nav-student:hover {
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4) !important;
    background: linear-gradient(135deg, #4f46e5, #7c3aed) !important;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 28px;
    height: 2.5px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg .gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    animation: float 8s ease-in-out infinite;
}

.hero-bg .orb-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero-bg .orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -50px;
    left: -50px;
    animation-delay: 2s;
}

.hero-bg .orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    top: 40%;
    left: 50%;
    animation-delay: 4s;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(29, 78, 216, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29, 78, 216, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-30px) scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 50px;
    background: rgba(29, 78, 216, 0.08);
    border: 1px solid rgba(29, 78, 216, 0.2);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero-badge .pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-light);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

.hero h1 {
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat-item h3 {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-image-wrapper {
    width: 100%;
    max-width: 560px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    animation: fadeInUp 0.8s ease 0.4s both, heroFloat 4s ease-in-out infinite 1.2s;
    position: relative;
    border: 2px solid rgba(14, 165, 166, 0.2);
    box-shadow: 0 8px 40px rgba(14, 165, 166, 0.12);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--border-radius-lg);
    padding: 2px;
    background: linear-gradient(135deg, #0EA5A6, #4CAF50, #0EA5A6);
    background-size: 300% 300%;
    animation: borderGlow 4s ease infinite;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: 2;
    pointer-events: none;
}

.hero-image-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    z-index: 3;
    pointer-events: none;
    animation: heroShimmer 5s ease-in-out infinite 2s;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
    animation: heroZoom 20s ease-in-out infinite;
}

.hero-image:hover {
    transform: scale(1.06);
}

@keyframes heroFloat {

    0%,
    100% {
        transform: translateY(0);
        box-shadow: 0 8px 40px rgba(14, 165, 166, 0.12);
    }

    50% {
        transform: translateY(-12px);
        box-shadow: 0 20px 60px rgba(14, 165, 166, 0.2);
    }
}

@keyframes borderGlow {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

@keyframes heroShimmer {
    0% {
        left: -100%;
    }

    30% {
        left: 120%;
    }

    100% {
        left: 120%;
    }
}

@keyframes heroZoom {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.04);
    }
}

.hero-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    backdrop-filter: blur(20px);
    box-shadow: var(--glass-shadow);
    width: 100%;
    max-width: 480px;
}

.code-window {
    background: #1E293B;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.code-window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.15);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red {
    background: #FF5F57;
}

.code-dot.yellow {
    background: #FFBD2E;
}

.code-dot.green {
    background: #28C840;
}

.code-window-body {
    padding: 20px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-window-body .keyword {
    color: #FF79C6;
}

.code-window-body .function {
    color: #50FA7B;
}

.code-window-body .string {
    color: #F1FA8C;
}

.code-window-body .comment {
    color: #6272A4;
}

.code-window-body .variable {
    color: #8BE9FD;
}

.code-window-body .number {
    color: #BD93F9;
}

.code-window-body .operator {
    color: #FF79C6;
}

.floating-badge {
    position: absolute;
    padding: 12px 20px;
    background: #FFFFFF;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(30, 58, 138, 0.1);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    animation: floatBadge 4s ease-in-out infinite;
}

.floating-badge.badge-python {
    top: 10%;
    right: -20px;
    animation-delay: 0s;
}

.floating-badge.badge-english {
    bottom: 10%;
    left: -20px;
    animation-delay: 2s;
}

.floating-badge .badge-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.badge-python .badge-icon {
    background: linear-gradient(135deg, var(--python-blue), var(--python-yellow));
}

.badge-english .badge-icon {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

@keyframes floatBadge {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

/* ========================================
   Courses Section
======================================== */
.courses-section {
    padding: var(--section-padding);
    position: relative;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    box-shadow: 0 4px 16px rgba(30, 58, 138, 0.06);
}

.course-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
    box-shadow: 0 20px 60px rgba(29, 78, 216, 0.12);
}

.course-card-header {
    padding: 40px 36px 30px;
    position: relative;
}

.course-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 24px;
    position: relative;
}

.course-card.python .course-icon {
    background: linear-gradient(135deg, rgba(48, 105, 152, 0.12), rgba(255, 212, 59, 0.15));
    border: 1px solid rgba(48, 105, 152, 0.2);
}

.course-card.english .course-icon {
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.1), rgba(2, 132, 199, 0.1));
    border: 1px solid rgba(29, 78, 216, 0.2);
}

.course-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.course-card .course-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.course-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.course-tag {
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(29, 78, 216, 0.08);
    color: var(--primary);
    border: 1px solid rgba(29, 78, 216, 0.15);
}

.course-card.english .course-tag {
    background: rgba(2, 132, 199, 0.08);
    color: var(--accent-dark);
    border-color: rgba(2, 132, 199, 0.15);
}

.course-card-body {
    padding: 0 36px 36px;
}

.course-features {
    display: grid;
    gap: 14px;
}

.course-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.course-feature .check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(29, 78, 216, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.course-card-footer {
    padding: 24px 36px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.course-meta {
    display: flex;
    gap: 20px;
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Course card shimmer effect */
.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(29, 78, 216, 0.04), transparent);
    transition: 0.6s;
}

.course-card:hover::before {
    left: 100%;
}

/* ========================================
   Features / Why Choose Us
======================================== */
.features-section {
    padding: var(--section-padding);
    background: var(--bg-surface);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-light);
    box-shadow: 0 16px 48px rgba(29, 78, 216, 0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.6rem;
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.08), rgba(2, 132, 199, 0.08));
    border: 1px solid rgba(29, 78, 216, 0.12);
}

.feature-card h4 {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========================================
   Curriculum / Syllabus Section
======================================== */
.curriculum-section {
    padding: var(--section-padding);
}

.curriculum-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}

.tab-btn {
    padding: 12px 28px;
    border-radius: 50px;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.curriculum-content {
    display: none;
}

.curriculum-content.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.module-list {
    display: grid;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.module-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
    cursor: pointer;
}

.module-item:hover {
    border-color: var(--primary-light);
    background: var(--bg-card-hover);
}

.module-number {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.module-info h4 {
    margin-bottom: 4px;
}

.module-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.module-duration {
    margin-left: auto;
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(29, 78, 216, 0.08);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

/* ========================================
   Testimonials
======================================== */
.testimonials-section {
    padding: var(--section-padding);
    background: var(--bg-surface);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.testimonial-quote {
    font-size: 2rem;
    color: var(--primary-light);
    margin-bottom: 16px;
    line-height: 1;
}

.testimonial-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    font-style: italic;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
}

.testimonial-name h5 {
    font-size: 0.95rem;
    font-weight: 600;
}

.testimonial-name span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.testimonial-stars {
    margin-bottom: 16px;
    color: #F59E0B;
    font-size: 0.9rem;
    letter-spacing: 2px;
}

/* ========================================
   CTA / Enrollment Section
======================================== */
.cta-section {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

.cta-card {
    background: linear-gradient(135deg, #E8F8F8, #F0FAF5);
    border-radius: var(--border-radius-lg);
    padding: 80px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(14, 165, 166, 0.15);
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(14, 165, 166, 0.1), transparent 60%);
    border-radius: 50%;
}

.cta-card::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.08), transparent 60%);
    border-radius: 50%;
}

.cta-card h2 {
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.cta-card p {
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 32px;
}

.cta-buttons {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background: linear-gradient(135deg, #0EA5A6, #4CAF50);
    color: #fff;
    box-shadow: 0 4px 20px rgba(14, 165, 166, 0.25);
}

.cta-buttons .btn-primary:hover {
    box-shadow: 0 8px 30px rgba(14, 165, 166, 0.35);
}

.cta-buttons .btn-secondary {
    border-color: rgba(14, 165, 166, 0.3) !important;
    color: #0EA5A6 !important;
}

.cta-buttons .btn-secondary:hover {
    background: rgba(14, 165, 166, 0.08);
}

/* ========================================
   Contact Section
======================================== */
.contact-section {
    padding: var(--section-padding);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    transition: var(--transition);
}

.contact-info-card:hover {
    border-color: var(--primary-light);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.08), rgba(2, 132, 199, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-card h4 {
    margin-bottom: 4px;
    font-size: 1rem;
}

.contact-info-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ========================================
   Footer
======================================== */
.site-footer {
    background: linear-gradient(180deg, #E8F8F8 0%, #F0FAFA 100%);
    border-top: 1px solid rgba(14, 165, 166, 0.12);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 300px;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1rem;
}

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

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-links a:hover {
    color: var(--primary-light);
}

/* ========================================
   Page Hero Banner (Inner Pages)
======================================== */
.page-hero {
    position: relative;
    padding: 160px 0 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #F0F4FF 0%, #E8F0FE 50%, #F5F3FF 100%);
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.page-hero-bg .gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.12;
    animation: float 8s ease-in-out infinite;
}

.page-hero-bg .orb-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -50px;
}

.page-hero-bg .orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    bottom: -50px;
    left: -50px;
    animation-delay: 2s;
}

.page-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.page-hero h1 {
    margin-bottom: 16px;
}

.page-hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

/* Breadcrumb */
.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--primary);
    font-weight: 500;
}

.breadcrumb a:hover {
    color: var(--primary-dark);
}

.breadcrumb-sep {
    color: var(--text-muted);
}

.breadcrumb-current {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   Enrollment Cards (Enroll Page)
======================================== */
.enroll-section {
    padding: var(--section-padding);
}

.enroll-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 0;
}

.enroll-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px 32px;
    position: relative;
    transition: var(--transition);
    overflow: hidden;
    text-align: center;
}

.enroll-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
    box-shadow: 0 20px 60px rgba(29, 78, 216, 0.1);
}

.enroll-card-featured {
    border-color: var(--primary);
    box-shadow: 0 8px 30px var(--primary-glow);
    background: linear-gradient(180deg, rgba(29, 78, 216, 0.03) 0%, var(--bg-card) 100%);
}

.enroll-card-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.enroll-badge-best {
    background: linear-gradient(135deg, #F59E0B, #F97316) !important;
}

.enroll-card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.enroll-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.enroll-card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
    line-height: 1.6;
}

.enroll-card-features {
    text-align: left;
    margin-bottom: 28px;
}

.enroll-feature {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(30, 58, 138, 0.05);
}

.enroll-feature:last-child {
    border-bottom: none;
}

.enroll-card-price {
    padding: 20px;
    background: var(--bg-surface);
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    text-align: center;
}

.enroll-price-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.enroll-price-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.enroll-price-note {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
}

/* ========================================
   FAQ Section (Enroll Page)
======================================== */
.faq-section {
    padding: var(--section-padding);
    background: var(--bg-surface);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-light);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
    user-select: none;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(29, 78, 216, 0.08);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 24px 20px;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========================================
   Value Section (Features Page)
======================================== */
.value-section {
    padding: var(--section-padding);
}

.value-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.value-stats {
    display: flex;
    gap: 32px;
    margin-top: 32px;
}

.value-stat h3 {
    font-size: 2rem;
    margin-bottom: 4px;
}

.value-stat p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.value-card-stack {
    display: grid;
    gap: 16px;
}

.value-mini-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: var(--transition);
}

.value-mini-card:hover {
    border-color: var(--primary-light);
    transform: translateX(8px);
    box-shadow: 0 8px 24px rgba(29, 78, 216, 0.08);
}

.value-mini-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.08), rgba(2, 132, 199, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.value-mini-card h5 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.value-mini-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========================================
   Map Section (Contact Page)
======================================== */
.map-section {
    padding: 80px 0;
    background: #f9fafb;
}

.google-map iframe {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.map-wrapper {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.map-placeholder {
    background: linear-gradient(135deg, var(--bg-surface), #E8F0FE);
    padding: 80px 40px;
    text-align: center;
}

.map-placeholder-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.map-placeholder h3 {
    margin-bottom: 8px;
}

/* ========================================
   Study Material Pages
======================================== */
.study-section {
    padding: 80px 0;
}

.study-sidebar-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 40px;
    align-items: start;
}

/* Sidebar */
.study-sidebar {
    position: sticky;
    top: 100px;
    background: var(--bg-card);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.sidebar-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}

.class-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.class-nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
    font-family: inherit;
}

.class-nav-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--border);
}

.class-nav-btn.active {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(59, 130, 246, 0.08));
    border-color: var(--primary);
    box-shadow: 0 2px 10px rgba(79, 70, 229, 0.12);
}

.class-nav-number {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 10px;
    font-weight: 800;
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.class-nav-btn.active .class-nav-number {
    background: var(--primary);
    color: #fff;
}

.class-nav-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.class-nav-text strong {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.class-nav-text small {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

/* Main Content */
.study-main {
    min-height: 400px;
}

.class-content {
    display: none;
}

.class-content.active {
    display: block;
}

.class-header {
    margin-bottom: 32px;
}

.class-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.class-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

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

/* Study Material */
.study-material {
    margin-bottom: 40px;
}

.material-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}

/* Lesson Accordion */
.lesson-accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lesson-item {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s ease;
}

.lesson-item:hover {
    border-color: rgba(79, 70, 229, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
}

.lesson-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: background 0.2s ease;
}

.lesson-header:hover {
    background: var(--bg-secondary);
}

.lesson-icon {
    font-size: 1.1rem;
}

.lesson-toggle {
    margin-left: auto;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.lesson-item.open .lesson-toggle {
    transform: rotate(45deg);
}

.lesson-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
    padding: 0 20px;
}

.lesson-item.open .lesson-body {
    max-height: 2000px;
    padding: 0 20px 20px;
}

.lesson-body p {
    margin-bottom: 12px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.lesson-body h5 {
    margin: 16px 0 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.study-list {
    list-style: none;
    padding: 0;
    margin: 8px 0 16px;
}

.study-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.study-list li::before {
    content: "•";
    position: absolute;
    left: 4px;
    color: var(--primary);
    font-weight: 700;
}

/* Code Examples */
.code-example {
    background: #1e1e2e;
    border-radius: 12px;
    overflow: hidden;
    margin: 16px 0;
}

.code-example-header {
    padding: 10px 16px;
    background: rgba(79, 70, 229, 0.2);
    color: #c4b5fd;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.code-example pre {
    padding: 16px;
    margin: 0;
    overflow-x: auto;
}

.code-example code {
    color: #e2e8f0;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.82rem;
    line-height: 1.8;
    white-space: pre;
}

/* Example Box (for English) */
.example-box {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(59, 130, 246, 0.05));
    border: 1px solid rgba(79, 70, 229, 0.15);
    border-radius: 12px;
    padding: 16px 20px;
    margin: 16px 0;
}

.example-box-header {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.example-box p {
    margin-bottom: 6px;
    font-size: 0.9rem;
}

/* Exam Section */
.exam-section {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 32px;
    border: 2px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.exam-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.exam-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.exam-question {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.exam-question.correct {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.exam-question.incorrect {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.question-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border-radius: 10px;
    font-weight: 800;
    font-size: 0.8rem;
    margin-bottom: 12px;
}

.question-text {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-primary);
    line-height: 1.6;
}

.question-text code {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 6px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.88rem;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.option-label:hover {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.04);
}

.option-label input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.option-label input[type="radio"]:checked+.option-text {
    font-weight: 600;
    color: var(--primary);
}

.option-text {
    flex: 1;
    color: var(--text-secondary);
}

.exam-submit-btn {
    align-self: flex-start;
    padding: 14px 32px !important;
    font-size: 1rem !important;
    font-weight: 700;
    margin-top: 8px;
}

/* Exam Result */
.exam-result {
    display: none;
    padding: 24px;
    border-radius: 16px;
    text-align: center;
    animation: fadeInUp 0.5s ease;
}

.exam-result.show {
    display: block;
}

.exam-result.passed {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(52, 211, 153, 0.1));
    border: 2px solid #10b981;
}

.exam-result.failed {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(248, 113, 113, 0.1));
    border: 2px solid #ef4444;
}

.result-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.result-score {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 4px;
}

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

/* Course card actions */
.course-card-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Scroll Animations
======================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Particle canvas
======================================== */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.25;
}

/* ========================================
   Counter animation
======================================== */
.counter {
    display: inline-block;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual {
        order: -1;
    }

    .hero-card {
        max-width: 100%;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .enroll-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .value-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        z-index: 999;
        padding-top: 100px;
    }

    .main-nav.active {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .main-nav a {
        font-size: 1.2rem;
        padding: 14px 32px;
    }

    .mobile-toggle {
        display: flex;
        z-index: 1000;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        gap: 24px;
    }

    .cta-card {
        padding: 48px 28px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .curriculum-tabs {
        flex-direction: column;
        align-items: center;
    }

    .module-item {
        flex-direction: column;
        text-align: center;
    }

    .module-duration {
        margin-left: 0;
    }

    .page-hero {
        padding: 120px 0 60px;
    }

    .page-hero h1 {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

    .value-stats {
        flex-direction: column;
        gap: 16px;
    }

    /* Study Material Responsive */
    .study-sidebar-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .study-sidebar {
        position: static;
        padding: 16px;
    }

    .class-nav {
        flex-direction: row;
        overflow-x: auto;
        gap: 8px;
        padding-bottom: 8px;
    }

    .class-nav-btn {
        min-width: 180px;
        flex-shrink: 0;
    }

    .exam-section {
        padding: 20px;
    }

    .exam-question {
        padding: 16px;
    }

    .class-header h2 {
        font-size: 1.4rem;
    }

    .code-example code {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .floating-badge {
        display: none;
    }
}

/* ========================================
   Privacy Policy Page
======================================== */
.privacy-policy-section {
    padding: 80px 0 100px;
}

.policy-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px 56px;
    box-shadow: 0 4px 30px rgba(30, 58, 138, 0.06);
}

.policy-last-updated {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    border-radius: 50px;
    background: rgba(29, 78, 216, 0.06);
    border: 1px solid rgba(29, 78, 216, 0.12);
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 40px;
}

.policy-last-updated i {
    color: var(--accent);
    font-size: 0.8rem;
}

.policy-block {
    margin-bottom: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.policy-block:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.policy-icon-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.policy-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.policy-icon-header h2 {
    font-size: 1.05rem;
    margin: 0;
}

.policy-block p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
    font-size: 0.88rem;
}

.policy-block p:last-child {
    margin-bottom: 0;
}

.policy-block h3 {
    font-size: 0.92rem;
    margin-top: 24px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.policy-block h3 i {
    color: var(--primary);
    font-size: 0.9rem;
}

.policy-block ul {
    list-style: none;
    padding: 0;
    margin-bottom: 16px;
}

.policy-block ul li {
    position: relative;
    padding: 8px 0 8px 24px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.65;
    border-bottom: 1px solid rgba(30, 58, 138, 0.05);
}

.policy-block ul li:last-child {
    border-bottom: none;
}

.policy-block ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.policy-block ul li strong {
    color: var(--text-primary);
}

/* Policy Use Cards Grid */
.policy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 24px;
}

.policy-use-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.policy-use-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
    box-shadow: 0 8px 30px rgba(29, 78, 216, 0.1);
}

.use-card-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    margin: 0 auto 16px;
}

.policy-use-card h4 {
    font-size: 0.82rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.policy-use-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.55;
}

/* Cookie Table */
.cookie-table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.cookie-table {
    width: 100%;
    border-collapse: collapse;
}

.cookie-table thead {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.cookie-table thead th {
    color: #fff;
    padding: 14px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: left;
}

.cookie-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.cookie-table tbody tr:last-child {
    border-bottom: none;
}

.cookie-table tbody tr:hover {
    background: rgba(29, 78, 216, 0.03);
}

.cookie-table tbody td {
    padding: 12px 18px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.cookie-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.cookie-badge.essential {
    background: rgba(34, 197, 94, 0.12);
    color: #16a34a;
}

.cookie-badge.analytics {
    background: rgba(59, 130, 246, 0.12);
    color: #2563eb;
}

.cookie-badge.functional {
    background: rgba(168, 85, 247, 0.12);
    color: #9333ea;
}

.cookie-badge.marketing {
    background: rgba(249, 115, 22, 0.12);
    color: #ea580c;
}

/* Security Features */
.security-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 20px 0;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.security-item:hover {
    border-color: var(--primary-light);
    background: rgba(29, 78, 216, 0.03);
}

.security-item i {
    color: var(--primary);
    font-size: 0.95rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.security-item span {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Policy Contact Section */
.policy-contact {
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.04), rgba(2, 132, 199, 0.04));
    border-radius: var(--border-radius);
    padding: 32px;
    border: 1px solid rgba(29, 78, 216, 0.1);
    margin-top: 8px;
}

.policy-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.policy-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.policy-contact-item:hover {
    border-color: var(--primary-light);
    box-shadow: 0 4px 20px rgba(29, 78, 216, 0.08);
}

.policy-contact-item>i {
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.policy-contact-item strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.policy-contact-item p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0;
    line-height: 1.6;
}

/* Privacy Policy Responsive */
@media (max-width: 768px) {
    .policy-content {
        padding: 28px 20px;
    }

    .policy-grid {
        grid-template-columns: 1fr;
    }

    .policy-contact-grid {
        grid-template-columns: 1fr;
    }

    .policy-icon-header h2 {
        font-size: 1.25rem;
    }

    .cookie-table tbody td,
    .cookie-table thead th {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .policy-content {
        padding: 20px 16px;
    }

    .policy-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .policy-icon-header {
        gap: 12px;
    }
}

/* ========================================
   Google Assistant Chatbot
======================================== */
.ga-chatbot {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif
}

/* FAB Button */
.ga-fab {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all .3s ease;
    z-index: 10
}

.ga-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px rgba(0, 0, 0, .2)
}

.ga-fab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s ease
}

.ga-fab-x {
    display: none;
    font-size: 1.3rem;
    color: #5f6368
}

.ga-active .ga-fab-icon {
    display: none
}

.ga-active .ga-fab-x {
    display: flex
}

.ga-fab-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid #4285F4;
    animation: gaRing 2.5s ease-in-out infinite;
    pointer-events: none
}

.ga-active .ga-fab-ring {
    display: none
}

@keyframes gaRing {

    0%,
    100% {
        transform: scale(1);
        opacity: .6
    }

    50% {
        transform: scale(1.2);
        opacity: 0
    }
}

/* Chat Window */
.ga-win {
    position: absolute;
    bottom: 72px;
    right: 0;
    width: 360px;
    max-height: 500px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, .15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px) scale(.96);
    transition: all .3s cubic-bezier(.4, 0, .2, 1);
    pointer-events: none
}

.ga-active .ga-win {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto
}

/* Header */
.ga-hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: linear-gradient(135deg, #4285F4, #34A853);
    color: #fff;
    flex-shrink: 0
}

.ga-hdr-left {
    display: flex;
    align-items: center;
    gap: 10px
}

.ga-hdr-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .2);
    display: flex;
    align-items: center;
    justify-content: center
}

.ga-hdr-name {
    font-size: .9rem;
    font-weight: 700;
    color: #fff
}

.ga-hdr-status {
    font-size: .7rem;
    opacity: .9;
    display: flex;
    align-items: center;
    gap: 5px
}

.ga-dot-online {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #a5f3a0;
    display: inline-block;
    animation: gaDotPulse 2s infinite
}

@keyframes gaDotPulse {

    0%,
    100% {
        opacity: 1
    }

    50% {
        opacity: .4
    }
}

.ga-hdr-close {
    background: rgba(255, 255, 255, .15);
    border: none;
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    transition: all .2s
}

.ga-hdr-close:hover {
    background: rgba(255, 255, 255, .3)
}

/* Messages */
.ga-body {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 240px;
    max-height: 290px;
    background: #f8f9fa
}

.ga-body::-webkit-scrollbar {
    width: 3px
}

.ga-body::-webkit-scrollbar-thumb {
    background: #dadce0;
    border-radius: 3px
}

.ga-m {
    display: flex;
    gap: 7px;
    animation: gaMFade .3s ease
}

@keyframes gaMFade {
    from {
        opacity: 0;
        transform: translateY(6px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

.ga-m-u {
    justify-content: flex-end
}

.ga-m-b {
    justify-content: flex-start;
    align-items: flex-start
}

.ga-m-av {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .1);
    margin-top: 2px
}

.ga-bub {
    max-width: 78%;
    padding: 9px 14px;
    border-radius: 16px;
    font-size: .83rem;
    line-height: 1.5;
    word-wrap: break-word
}

.ga-m-u .ga-bub {
    background: linear-gradient(135deg, #4285F4, #3367d6);
    color: #fff;
    border-bottom-right-radius: 4px
}

.ga-m-b .ga-bub {
    background: #fff;
    color: #202124;
    border: 1px solid #e8eaed;
    border-bottom-left-radius: 4px
}

.ga-m-b .ga-bub strong {
    color: #1a73e8
}

/* Typing Dots */
.ga-dots {
    display: flex;
    gap: 4px;
    padding: 4px 2px
}

.ga-dots i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #bdc1c6;
    display: block;
    animation: gaBounce 1.2s ease-in-out infinite
}

.ga-dots i:nth-child(2) {
    animation-delay: .15s
}

.ga-dots i:nth-child(3) {
    animation-delay: .3s
}

@keyframes gaBounce {

    0%,
    60%,
    100% {
        transform: translateY(0)
    }

    30% {
        transform: translateY(-5px)
    }
}

/* Quick Reply Chips */
.ga-chips {
    display: flex;
    gap: 7px;
    padding: 8px 14px;
    overflow-x: auto;
    flex-shrink: 0;
    background: #f8f9fa;
    border-top: 1px solid #e8eaed
}

.ga-chips::-webkit-scrollbar {
    height: 0
}

.ga-chips button {
    padding: 5px 13px;
    border-radius: 50px;
    border: 1px solid #dadce0;
    background: #fff;
    color: #1a73e8;
    font-size: .76rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all .2s;
    font-family: inherit
}

.ga-chips button:hover {
    background: #e8f0fe;
    border-color: #1a73e8
}

/* Input Bar */
.ga-input-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid #e8eaed;
    background: #fff;
    flex-shrink: 0
}

#gaInput {
    flex: 1;
    border: 1px solid #dadce0;
    border-radius: 24px;
    padding: 9px 16px;
    font-size: .83rem;
    outline: none;
    font-family: inherit;
    color: #202124;
    background: #f8f9fa;
    transition: all .2s
}

#gaInput:focus {
    border-color: #4285F4;
    background: #fff;
    box-shadow: 0 0 0 2px rgba(66, 133, 244, .15)
}

#gaInput::placeholder {
    color: #9aa0a6
}

#gaSend {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #4285F4, #34A853);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .82rem;
    transition: all .2s;
    flex-shrink: 0
}

#gaSend:hover {
    transform: scale(1.06);
    box-shadow: 0 2px 10px rgba(66, 133, 244, .35)
}

/* Mobile */
@media(max-width:480px) {
    .ga-chatbot {
        bottom: 16px;
        right: 16px
    }

    .ga-win {
        width: calc(100vw - 32px);
        right: -8px;
        bottom: 68px;
        max-height: 70vh;
        border-radius: 16px
    }

    .ga-fab {
        width: 52px;
        height: 52px
    }

    .ga-fab-icon svg {
        width: 24px;
        height: 24px
    }
}