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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    --text: #334155;
    --text-light: #64748b;
    --text-dark: #0f172a;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.05), 0 10px 24px rgba(0,0,0,0.08);
    --shadow-xl: 0 8px 16px rgba(0,0,0,0.08), 0 20px 40px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    line-height: 1.8;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    padding: 0 24px;
}

.navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-dark);
}

.nav-logo .logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.06);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(37, 99, 235, 0.04);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
}

.btn-ghost:hover {
    background: var(--bg-alt);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
    border-radius: var(--radius);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    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 {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 72px;
    background: linear-gradient(180deg, #f0f6ff 0%, #ffffff 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

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

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 480px;
}

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

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

.stat {
    text-align: left;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

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

.hero-graphic {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
    position: relative;
}

.code-window {
    background: var(--secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.code-window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(255,255,255,0.06);
}

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

.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #eab308; }
.code-dot.green { background: #22c55e; }

.code-window-title {
    flex: 1;
    text-align: center;
    color: rgba(255,255,255,0.4);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

.code-body {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    line-height: 1.8;
    min-height: 260px;
}

.code-line {
    display: flex;
    gap: 12px;
}

.code-line-num {
    color: rgba(255,255,255,0.2);
    user-select: none;
    min-width: 20px;
    text-align: right;
}

.code-keyword { color: #c084fc; }
.code-function { color: #60a5fa; }
.code-string { color: #34d399; }
.code-comment { color: rgba(255,255,255,0.3); font-style: italic; }
.code-variable { color: #f9a8d4; }
.code-bracket { color: rgba(255,255,255,0.5); }
.code-operator { color: #fbbf24; }
.code-type { color: #22d3ee; }

.floating-card {
    position: absolute;
    background: white;
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 6s ease-in-out infinite;
    font-size: 0.85rem;
    font-weight: 600;
}

.floating-card.card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 15%;
    left: -8%;
    animation-delay: 2s;
}

.floating-card .card-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.floating-card .card-icon.blue {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.floating-card .card-icon.green {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.floating-card .card-icon.purple {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* ===== BRANDS BAR ===== */
.brands {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
}

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

.brands p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 24px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.brands-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
    opacity: 0.4;
}

.brands-grid span {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* ===== COURSES ===== */
.courses {
    padding: 120px 0;
}

.courses-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 56px;
}

.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);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.course-thumb {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.course-thumb-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.course-thumb-bg.bg-blue { background: linear-gradient(135deg, #dbeafe, #bfdbfe); }
.course-thumb-bg.bg-purple { background: linear-gradient(135deg, #ede9fe, #ddd6fe); }
.course-thumb-bg.bg-green { background: linear-gradient(135deg, #dcfce7, #bbf7d0); }
.course-thumb-bg.bg-orange { background: linear-gradient(135deg, #ffedd5, #fed7aa); }
.course-thumb-bg.bg-pink { background: linear-gradient(135deg, #fce7f3, #fbcfe8); }
.course-thumb-bg.bg-cyan { background: linear-gradient(135deg, #cffafe, #a5f3fc); }

.course-level {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
}

.course-level.beginner { color: #16a34a; }
.course-level.intermediate { color: #2563eb; }
.course-level.advanced { color: #dc2626; }

.course-body {
    padding: 20px;
}

.course-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.course-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}

.course-body p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.course-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 0.82rem;
    color: var(--text-light);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== FEATURES ===== */
.features {
    padding: 120px 0;
    background: var(--bg-alt);
}

.features .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.features-list {
    display: grid;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-item:hover,
.feature-item.active {
    background: white;
    border-color: var(--border);
    box-shadow: var(--shadow);
}

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.feature-icon.icon-blue { background: rgba(37, 99, 235, 0.1); color: var(--primary); }
.feature-icon.icon-green { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.feature-icon.icon-purple { background: rgba(168, 85, 247, 0.1); color: #a855f7; }
.feature-icon.icon-orange { background: rgba(249, 115, 22, 0.1); color: #f97316; }

.feature-text h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.feature-text p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

.features-visual {
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

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

.stat-card .stat-icon {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.stat-card .stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-card .stat-text {
    font-size: 0.88rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ===== PATH ===== */
.path {
    padding: 120px 0;
}

.path-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.path-header .section-desc {
    margin: 0 auto;
}

.path-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.path-timeline::before {
    content: '';
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.path-step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.path-step:last-child { margin-bottom: 0; }

.step-marker {
    width: 64px;
    min-width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    color: white;
    position: relative;
    z-index: 1;
}

.step-marker.step-1 { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.step-marker.step-2 { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.step-marker.step-3 { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.step-marker.step-4 { background: linear-gradient(135deg, #f97316, #ea580c); }

.step-content {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    flex: 1;
    transition: var(--transition);
}

.step-content:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.step-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.step-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.step-tags span {
    padding: 4px 12px;
    background: var(--bg-alt);
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-light);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: 120px 0;
    background: var(--bg-alt);
}

.testimonials-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 56px;
}

.testimonials-header .section-desc {
    margin: 0 auto;
}

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

.testimonial-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

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

.testimonial-stars {
    display: flex;
    gap: 2px;
    color: #fbbf24;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.testimonial-card blockquote {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

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

.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
}

.testimonial-avatar.av-blue { background: var(--primary); }
.testimonial-avatar.av-purple { background: #8b5cf6; }
.testimonial-avatar.av-green { background: #22c55e; }

.testimonial-info .name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
}

.testimonial-info .role {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ===== CTA ===== */
.cta {
    padding: 120px 0;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    border-radius: var(--radius-lg);
    padding: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
}

.cta-box .section-title {
    color: white;
    position: relative;
}

.cta-box p {
    color: rgba(255,255,255,0.8);
    font-size: 1.15rem;
    margin-bottom: 36px;
    position: relative;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    position: relative;
}

.btn-white {
    background: white;
    color: var(--primary);
    font-weight: 700;
}

.btn-white:hover {
    background: #f0f0f0;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.btn-white-outline {
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-white-outline:hover {
    border-color: white;
    background: rgba(255,255,255,0.1);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--secondary);
    color: rgba(255,255,255,0.6);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .nav-logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand .nav-logo .logo-icon {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
    margin-bottom: 24px;
}

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

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
}

.footer-col h4 {
    color: white;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.85rem;
}

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero p { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }

    .hero-visual { display: none; }

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

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

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

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-cta .btn-outline { display: none; }
    .hamburger { display: flex; }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }

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

    .courses-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

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

    .cta-box {
        padding: 48px 24px;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .hero-stats {
        gap: 24px;
    }

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

    .path-timeline::before {
        left: 24px;
    }

    .step-marker {
        width: 48px;
        min-width: 48px;
        height: 48px;
        font-size: 1rem;
    }
}