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

/* ── DARK THEME (default) ── */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #1a1f35;
    --bg-card-hover: #222847;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-sky: #0ea5e9;
    --accent-rose: #f43f5e;
    --gradient-hero: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
    --border-color: rgba(148, 163, 184, 0.1);
    --radius: 12px;
    --nav-bg: rgba(10, 14, 26, 0.85);
    --nav-bg-scroll: rgba(10, 14, 26, 0.95);
    --icon-color: var(--accent-blue);
    --shadow-card: rgba(0,0,0,.3);
}

/* ── LIGHT THEME ── */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: rgba(15, 23, 42, 0.08);
    --nav-bg: rgba(248, 250, 252, 0.85);
    --nav-bg-scroll: rgba(248, 250, 252, 0.95);
    --shadow-card: rgba(0,0,0,.06);
}
[data-theme="light"] .hero::before {
    background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, rgba(139,92,246,0.04) 40%, transparent 70%);
}
[data-theme="light"] .hero-grid {
    background-image:
        linear-gradient(rgba(15,23,42,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15,23,42,0.04) 1px, transparent 1px);
}
[data-theme="light"] .logo span {
    background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
[data-theme="light"] .btn-primary { box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2); }
[data-theme="light"] .btn-primary:hover { box-shadow: 0 6px 30px rgba(59, 130, 246, 0.3); }
[data-theme="light"] .btn-outline { border-color: rgba(15,23,42,0.15); color: var(--text-primary); }
[data-theme="light"] .cta-section::before {
    background: radial-gradient(circle, rgba(139,92,246,.06) 0%, rgba(59,130,246,.03) 40%, transparent 70%);
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background .3s, color .3s;
}

a { text-decoration: none; color: inherit; }

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

/* ── Lucide icon base ── */
.icon {
    width: 20px; height: 20px;
    stroke: currentColor; fill: none;
    stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
    flex-shrink: 0;
}
.icon-lg { width: 28px; height: 28px; }

/* ── NAV ── */
nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    transition: background .3s;
}
nav .container {
    display: flex; align-items: center; justify-content: space-between; max-width: 100%;
}
.logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.4rem; font-weight: 800; letter-spacing: -0.5px;
    white-space: nowrap; flex-shrink: 0;
}
.logo svg { width: 32px; height: 32px; }
.logo span { background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-right { display: flex; align-items: center; gap: 12px; min-width: 0; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: #fff; transition: color .2s; white-space: nowrap; }
.nav-links a:hover { color: var(--text-primary); }
[data-theme="light"] .nav-links a { color: var(--text-primary); }
[data-theme="light"] .nav-links .btn-nav-cta { color: #fff; }

/* Theme Toggle */
.theme-toggle {
    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;
    cursor: pointer; transition: all .25s;
    color: var(--text-secondary);
}
.theme-toggle:hover { background: var(--bg-card-hover); color: var(--text-primary); border-color: var(--accent-blue); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all .3s; }
.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); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 24px; border-radius: 50px; font-weight: 600; font-size: 0.9rem;
    border: none; cursor: pointer; transition: all .25s;
}
.btn-primary {
    background: var(--gradient-hero); color: #fff;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(59, 130, 246, 0.45); }
.btn-outline {
    background: transparent; color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-outline:hover { border-color: var(--accent-blue); color: var(--accent-blue); }

/* ── HERO ── */
.hero {
    position: relative;
    min-height: 100vh; display: flex; align-items: center;
    padding-top: 80px;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
    width: 900px; height: 900px;
    background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, rgba(139,92,246,0.06) 40%, transparent 70%);
    pointer-events: none;
}
.hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(148,163,184,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148,163,184,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}
.hero-content { position: relative; text-align: center; max-width: 820px; margin: 0 auto; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2);
    padding: 6px 16px; border-radius: 50px; font-size: 0.8rem;
    color: var(--accent-blue); font-weight: 500; margin-bottom: 24px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-emerald); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
.hero h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 20px; }
.hero h1 .gradient { background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 1.15rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 36px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-buttons .btn { padding: 14px 32px; font-size: 1rem; }

.stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
    margin-top: 72px; padding-top: 48px;
    border-top: 1px solid var(--border-color);
}
.stat-item { text-align: center; }
.stat-value { font-size: 1.8rem; font-weight: 800; background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* ── TRUSTED BY (Logo Carousel) ── */
.trusted-section { padding: 60px 0; border-bottom: 1px solid var(--border-color); overflow: hidden; }
.trusted-section .section-tag { display: block; text-align: center; margin-bottom: 32px; }
.logo-carousel { position: relative; overflow: hidden; mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent); }
.logo-track {
    display: flex; gap: 60px; align-items: center;
    animation: scroll-logos 30s linear infinite;
    width: max-content;
}
.logo-track .client-logo {
    flex-shrink: 0;
    font-size: 1.1rem; font-weight: 700; color: var(--text-muted);
    opacity: 0.5; transition: opacity .3s;
    white-space: nowrap;
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
}
.logo-track .client-logo:hover { opacity: 0.8; }
@keyframes scroll-logos {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ── SECTION COMMON ── */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
    display: inline-block;
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2px;
    color: var(--accent-blue); margin-bottom: 12px;
}
.section-header h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; letter-spacing: -1px; }
.section-header p { color: var(--text-secondary); max-width: 560px; margin: 12px auto 0; }

/* ── COURSES ── */
.courses-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px;
    transition: all .3s;
    position: relative;
    overflow: hidden;
}
.course-card:hover { transform: translateY(-4px); background: var(--bg-card-hover); border-color: rgba(148,163,184,.18); box-shadow: 0 12px 40px var(--shadow-card); }
.course-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
}
.course-card:nth-child(1)::before { background: var(--accent-emerald); }
.course-card:nth-child(2)::before { background: var(--accent-blue); }
.course-card:nth-child(3)::before { background: var(--accent-sky); }
.course-card:nth-child(4)::before { background: var(--accent-amber); }
.course-card:nth-child(5)::before { background: var(--accent-purple); }
.course-level {
    display: inline-block; font-size: 0.7rem; font-weight: 600;
    padding: 4px 10px; border-radius: 50px; margin-bottom: 14px;
    text-transform: uppercase; letter-spacing: 1px;
}
.level-beginner { background: rgba(16,185,129,.12); color: var(--accent-emerald); }
.level-intermediate { background: rgba(59,130,246,.12); color: var(--accent-blue); }
.level-advanced { background: rgba(244,63,94,.12); color: var(--accent-rose); }
.course-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.course-subtitle { font-size: 0.85rem; color: var(--accent-blue); font-weight: 500; margin-bottom: 12px; }
.course-card > p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 20px; }
.course-meta { display: flex; gap: 16px; font-size: 0.8rem; color: var(--text-muted); }
.course-meta span { display: flex; align-items: center; gap: 6px; }
.course-meta .icon { width: 16px; height: 16px; }
.btn-course { margin-top: 16px; width: 100%; padding: 10px 20px; font-size: 0.85rem; }

/* ── PILLARS ── */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 60px; }
.pillar {
    text-align: center; padding: 32px 20px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius); transition: all .3s;
}
.pillar:hover { transform: translateY(-4px); background: var(--bg-card-hover); }
.pillar-icon {
    width: 60px; height: 60px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
    background: rgba(59,130,246,.08); border: 1px solid rgba(59,130,246,.15);
    color: var(--accent-blue);
}
.pillar-icon .icon { width: 26px; height: 26px; }
.pillar h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.pillar p { font-size: 0.82rem; color: var(--text-muted); }

/* ── PATHWAYS ── */
.pathways-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.pathway-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px;
    transition: all .3s;
    text-align: center;
}
.pathway-card:hover { transform: translateY(-4px); background: var(--bg-card-hover); box-shadow: 0 12px 40px var(--shadow-card); }
.pathway-icon {
    width: 56px; height: 56px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px;
}
.pathway-icon .icon { width: 26px; height: 26px; }
.pathway-card:nth-child(1) .pathway-icon { background: rgba(59,130,246,.12); color: var(--accent-blue); }
.pathway-card:nth-child(2) .pathway-icon { background: rgba(139,92,246,.12); color: var(--accent-purple); }
.pathway-card:nth-child(3) .pathway-icon { background: rgba(6,182,212,.12); color: var(--accent-cyan); }
.pathway-card:nth-child(4) .pathway-icon { background: rgba(245,158,11,.12); color: var(--accent-amber); }
.pathway-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.pathway-card p { font-size: 0.85rem; color: var(--text-secondary); }

/* ── FEATURES ── */
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; }
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px;
    transition: all .3s;
}
.feature-card:hover { background: var(--bg-card-hover); transform: translateY(-2px); }
.feature-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
    color: var(--accent-blue);
}
.feature-card:nth-child(1) .feature-icon { background: rgba(59,130,246,.1); color: var(--accent-blue); }
.feature-card:nth-child(2) .feature-icon { background: rgba(244,63,94,.1); color: var(--accent-rose); }
.feature-card:nth-child(3) .feature-icon { background: rgba(245,158,11,.1); color: var(--accent-amber); }
.feature-card:nth-child(4) .feature-icon { background: rgba(6,182,212,.1); color: var(--accent-cyan); }
.feature-card:nth-child(5) .feature-icon { background: rgba(139,92,246,.1); color: var(--accent-purple); }
.feature-card:nth-child(6) .feature-icon { background: rgba(16,185,129,.1); color: var(--accent-emerald); }
.feature-icon .icon { width: 24px; height: 24px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.88rem; color: var(--text-secondary); }

/* ── AI COMPANION ── */
.ai-section { background: var(--bg-secondary); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.ai-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.ai-content h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; }
.ai-content > p { color: var(--text-secondary); margin-bottom: 28px; }
.ai-features { display: flex; flex-direction: column; gap: 16px; }
.ai-feature {
    display: flex; align-items: flex-start; gap: 12px;
    font-size: 0.92rem;
}
.ai-feature .check {
    width: 22px; height: 22px; flex-shrink: 0;
    background: rgba(16,185,129,.12); color: var(--accent-emerald);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    margin-top: 2px;
}
.ai-feature .check .icon { width: 14px; height: 14px; }
.ai-chat {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
}
.ai-chat-header {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 20px; padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.ai-chat-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent-emerald); }
.ai-chat-header span { font-weight: 600; font-size: 0.9rem; }
.chat-msg {
    padding: 12px 16px; border-radius: 10px; font-size: 0.85rem;
    margin-bottom: 12px; max-width: 85%;
}
.chat-user { background: rgba(59,130,246,.12); color: var(--accent-blue); margin-left: auto; text-align: right; }
.chat-ai { background: rgba(139,92,246,.08); color: var(--text-secondary); }

/* ── TESTIMONIALS ── */
.testimonials-section { background: var(--bg-primary); }
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px;
    transition: all .3s;
}
.testimonial-card:hover { background: var(--bg-card-hover); transform: translateY(-2px); }
.testimonial-stars { display: flex; gap: 4px; margin-bottom: 16px; color: var(--accent-amber); }
.testimonial-stars .icon { width: 18px; height: 18px; fill: var(--accent-amber); }
.testimonial-card blockquote { font-size: 0.92rem; 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: 40px; height: 40px; border-radius: 50%;
    background: var(--gradient-hero);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.85rem; color: #fff;
}
.testimonial-info .name { font-weight: 600; font-size: 0.9rem; }
.testimonial-info .role { font-size: 0.8rem; color: var(--text-muted); }

/* ── NEWSLETTER ── */
.newsletter-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 80px 0;
}
.newsletter-inner {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.newsletter-inner h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 800; letter-spacing: -0.5px; margin-bottom: 10px; }
.newsletter-inner > div > p { color: var(--text-secondary); font-size: 0.95rem; }
.newsletter-form { display: flex; gap: 12px; }
.newsletter-form input {
    flex: 1; padding: 14px 20px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 50px; color: var(--text-primary); font-size: 0.9rem;
    font-family: inherit; outline: none; transition: border-color .2s;
}
.newsletter-form input::placeholder { color: var(--text-muted); }
.newsletter-form input:focus { border-color: var(--accent-blue); }
.newsletter-form .btn { flex-shrink: 0; }

/* ── CTA ── */
.cta-section {
    text-align: center;
    position: relative;
}
.cta-section::before {
    content: '';
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 700px; height: 500px;
    background: radial-gradient(circle, rgba(139,92,246,.1) 0%, rgba(59,130,246,.05) 40%, transparent 70%);
    pointer-events: none;
}
.cta-section h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; position: relative; }
.cta-section p { color: var(--text-secondary); margin-bottom: 32px; position: relative; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }

/* ── FOOTER ── */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 48px 0 32px;
}
.footer-top {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
    margin-bottom: 40px;
}
.footer-brand p { color: var(--text-muted); font-size: 0.85rem; margin-top: 12px; line-height: 1.7; }
.footer-col h4 { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--text-primary); }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
    width: 36px; height: 36px; border-radius: 8px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    transition: all .2s; color: var(--text-secondary);
}
.footer-social a:hover { background: var(--bg-card-hover); border-color: var(--accent-blue); color: var(--accent-blue); }
.footer-social .icon { width: 18px; height: 18px; }
.footer-badges { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.footer-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 12px; border-radius: 6px;
    background: rgba(16,185,129,.08); border: 1px solid rgba(16,185,129,.15);
    font-size: 0.72rem; font-weight: 600; color: var(--accent-emerald);
}
.footer-badge .icon { width: 14px; height: 14px; }
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.8rem; color: var(--text-muted);
    flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { color: var(--text-muted); transition: color .2s; }
.footer-bottom a:hover { color: var(--text-primary); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .hamburger { display: flex; }
    .nav-links {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; gap: 0;
        background: var(--nav-bg-scroll);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-color);
        padding: 16px 24px;
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--border-color); width: 100%; display: flex; align-items: center; gap: 8px; }
    .nav-links a:last-child { border: none; }
    .nav-links .btn { margin-top: 8px; text-align: center; justify-content: center; }
    .container { padding: 0 16px; }
    .hero { padding-top: 70px; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons .btn { width: 100%; max-width: 300px; }
    .stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    section { padding: 60px 0; }
    .section-header { margin-bottom: 36px; }
    .ai-grid { grid-template-columns: 1fr; gap: 40px; }
    .newsletter-inner { grid-template-columns: 1fr; gap: 24px; }
    .newsletter-form { flex-direction: column; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .courses-grid, .features-grid, .testimonials-grid { grid-template-columns: 1fr; }
    .pillars { grid-template-columns: repeat(2, 1fr); }
    .logo { font-size: 1.1rem; }
    .logo svg { width: 28px; height: 28px; }
}
@media (max-width: 480px) {
    .stats { grid-template-columns: 1fr 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .pathways-grid { grid-template-columns: 1fr; }
    .pillars { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.7rem; }
    .hero-badge { font-size: 0.72rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
    nav { padding: 12px 0; }
    .logo { font-size: 1rem; gap: 8px; }
}

/* ── ANIMATIONS ── */
.fade-up {
    opacity: 0; transform: translateY(30px);
    transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }