/* ===== CSS Variables & Reset ===== */
:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #818CF8;
    --primary-bg: #EEF2FF;
    --secondary: #F59E0B;
    --secondary-light: #FCD34D;
    --accent: #EC4899;
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-card: #FFFFFF;
    --text: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font);
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    padding: 12px 24px;
    font-size: 15px;
    line-height: 1.2;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg { padding: 16px 32px; font-size: 17px; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 18px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; }

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
}

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

.nav-menu a {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}
.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background: var(--primary-bg);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
}
.hamburger span {
    display: block;
    width: 22px;
    height: 2.5px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, #FDF2F8 50%, #FEF3C7 100%);
    overflow: hidden;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79,70,229,0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

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

.hero-badge {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.5;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-logo-large {
    max-width: 280px;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 20px 40px rgba(79,70,229,0.2));
}

.hero-shape {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.15;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.15; }
    50% { transform: scale(1.1); opacity: 0.25; }
}

/* ===== Section Common ===== */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-footer {
    text-align: center;
    margin-top: 40px;
}

/* ===== Features ===== */
.features {
    padding: 100px 0;
    background: var(--bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: var(--transition);
    text-align: center;
}
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--primary-bg);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
    transition: var(--transition);
}
.feature-card:hover .feature-icon {
    background: var(--primary);
}
.feature-card:hover .feature-icon svg path {
    fill: #fff;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Courses ===== */
.courses {
    padding: 100px 0;
    background: var(--bg-alt);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.course-image {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    position: relative;
}
.course-image .course-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(4px);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.course-body {
    padding: 24px;
}

.course-body h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.course-body p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.course-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.course-price {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}
.course-price small {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
}

.course-level {
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-alt);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

/* ===== Teachers ===== */
.teachers {
    padding: 100px 0;
    background: var(--bg);
}

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

.teacher-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-align: center;
    transition: var(--transition);
}
.teacher-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.teacher-avatar {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    font-weight: 700;
    color: #fff;
}

.teacher-info {
    padding: 20px;
}

.teacher-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.teacher-info .teacher-title {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 8px;
}

.teacher-info p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Testimonials ===== */
.testimonials {
    padding: 100px 0;
    background: var(--bg-alt);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: var(--transition);
    position: relative;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 16px;
    left: 24px;
    font-size: 64px;
    color: var(--primary-light);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 16px;
}

.testimonial-name {
    font-weight: 600;
    font-size: 15px;
}
.testimonial-role {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== CTA ===== */
.cta {
    padding: 80px 0;
    background: var(--bg);
}

.cta-card {
    background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    color: #fff;
}

.cta-card h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-card p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-card .btn-primary {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}
.cta-card .btn-primary:hover {
    background: var(--secondary);
    border-color: var(--secondary);
    color: #fff;
}

/* ===== Footer ===== */
.footer {
    background: #0F172A;
    color: #CBD5E1;
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    max-width: 160px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1) opacity(0.8);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #94A3B8;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94A3B8;
    transition: var(--transition);
    padding: 10px;
}
.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.footer-links h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links a {
    font-size: 14px;
    color: #94A3B8;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-contact h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-contact p {
    font-size: 14px;
    color: #94A3B8;
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: #64748B;
}

.footer-bottom a {
    color: #94A3B8;
}
.footer-bottom a:hover {
    color: var(--primary-light);
}

/* ===== Page Hero (Subpages) ===== */
.page-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--primary-bg), #FDF2F8);
    text-align: center;
}

.page-hero h1 {
    font-size: 42px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
}

.page-hero p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* ===== About Story ===== */
.about-story {
    padding: 80px 0;
}

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

.story-content .section-tag {
    margin-bottom: 16px;
}

.story-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.story-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.story-image {
    display: flex;
    justify-content: center;
}

.story-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
}

/* ===== Mission ===== */
.mission {
    padding: 80px 0;
    background: var(--bg-alt);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.mission-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    text-align: center;
    transition: var(--transition);
}
.mission-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.mission-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
}

.mission-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.mission-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Timeline ===== */
.timeline {
    padding: 80px 0;
}

.timeline-list {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}
.timeline-list::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding: 24px 0;
    padding-left: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 28px;
    width: 14px;
    height: 14px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-year {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.timeline-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.timeline-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Contact Page ===== */
.contact-info {
    padding: 60px 0;
}

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

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}
.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    padding: 10px;
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Contact Form ===== */
.contact-form-section {
    padding: 60px 0;
    background: var(--bg-alt);
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}
.form-row .form-group { margin-bottom: 0; }

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: var(--font);
    font-size: 15px;
    color: var(--text);
    background: var(--bg);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    text-align: center;
    padding: 60px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.form-success svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.form-success p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ===== Map ===== */
.map-section {
    padding: 60px 0;
}

.map-placeholder {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-content {
    text-align: center;
    padding: 40px;
}

.map-content p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 12px;
}

/* ===== Filter Bar ===== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    background: var(--bg);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}
.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ===== Courses Page ===== */
.courses-page {
    padding: 60px 0;
}

.teachers-page {
    padding: 60px 0;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-grid { gap: 40px; }
    .hero-title { font-size: 40px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .courses-grid { grid-template-columns: repeat(2, 1fr); }
    .teachers-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .mission-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .navbar .container { height: 60px; }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(20px);
        padding: 20px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    .nav-menu ul {
        flex-direction: column;
        gap: 4px;
    }
    .nav-menu a {
        display: block;
        padding: 12px 16px;
        font-size: 16px;
    }
    .nav-cta { display: none; }
    .hamburger { display: flex; }

    .hero { padding: 100px 0 60px; }
    .hero-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero-title { font-size: 34px; }
    .hero-subtitle { font-size: 18px; }
    .hero-actions { justify-content: center; flex-wrap: wrap; }
    .hero-stats { justify-content: center; gap: 24px; }
    .hero-visual { display: none; }

    .section-header h2 { font-size: 28px; }
    .features-grid { grid-template-columns: 1fr; }
    .courses-grid { grid-template-columns: 1fr; }
    .teachers-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .mission-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .story-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }

    .cta-card { padding: 40px 24px; }
    .cta-card h2 { font-size: 28px; }

    .page-hero h1 { font-size: 32px; }

    .contact-form { padding: 24px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 28px; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .hero-actions .btn { width: 100%; }
    .stat-item { align-items: center; }
    .hero-badge { font-size: 12px; }
}