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

:root {
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a28;
    --text-primary: #f0f0f5;
    --text-secondary: #9898a8;
    --text-muted: #6a6a7a;
    --accent-blue: #4f8fff;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06d6a0;
    --accent-gold: #f5a623;
    --gradient-main: linear-gradient(135deg, #4f8fff, #8b5cf6);
    --gradient-glow: linear-gradient(135deg, #4f8fff22, #8b5cf622);
    --border: #1e1e2e;
    --radius: 12px;
    --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3 { font-family: 'Space Grotesk', 'Inter', sans-serif; line-height: 1.2; }

a { color: var(--accent-blue); text-decoration: none; }

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hidden { display: none !important; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: 0 4px 20px rgba(79, 143, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(79, 143, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent-blue);
    background: rgba(79, 143, 255, 0.08);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
    width: 100%;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    padding: 120px 0 80px;
    text-align: center;
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(79, 143, 255, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-2%, 2%); }
}

.hero .container { position: relative; z-index: 1; }

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gradient-glow);
    border: 1px solid rgba(79, 143, 255, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 32px;
    color: var(--accent-blue);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 20px;
}

.hero-body {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 20px;
}

.hero-cta-text {
    font-size: 1.3rem;
    margin-bottom: 32px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== PROOF BAR ===== */
.proof-bar {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(18, 18, 26, 0.8);
}

.proof-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

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

.proof-logo {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.proof-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== PROBLEM / TIMELINE ===== */
.problem {
    padding: 100px 0;
}

.problem h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto 60px;
}

.timeline {
    position: relative;
    padding-left: 40px;
    max-width: 700px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple), var(--accent-cyan));
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 6px;
    width: 12px;
    height: 12px;
    background: var(--accent-blue);
    border-radius: 50%;
    border: 2px solid var(--bg-dark);
}

.timeline-item.highlight::before {
    background: var(--accent-cyan);
    box-shadow: 0 0 12px rgba(6, 214, 160, 0.5);
    width: 16px;
    height: 16px;
    left: -38px;
    top: 4px;
}

.timeline-date {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-blue);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.timeline-item.highlight .timeline-date { color: var(--accent-cyan); }

.timeline-content h3 {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== ANALOGY ===== */
.analogy {
    padding: 80px 0 100px;
}

.analogy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 40px;
}

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

.analogy-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.analogy-card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.analogy-card ul {
    list-style: none;
    margin-bottom: 24px;
}

.analogy-card ul li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-style: italic;
    border-bottom: 1px solid var(--border);
}

.analogy-card ul li:last-child { border-bottom: none; }

.analogy-result {
    padding: 16px;
    background: rgba(79, 143, 255, 0.08);
    border-radius: var(--radius);
    font-size: 0.95rem;
}

.analogy-card.present .analogy-result {
    background: rgba(139, 92, 246, 0.08);
}

.analogy-bottom {
    text-align: center;
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== CURRICULUM ===== */
.curriculum {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent, rgba(18, 18, 26, 0.5), transparent);
}

.curriculum h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 8px;
}

.track-toggle {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    background: var(--bg-card);
    border-radius: 50px;
    padding: 4px;
    display: inline-flex;
    margin-left: 50%;
    transform: translateX(-50%);
}

.track-btn {
    padding: 12px 28px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.track-btn.active {
    background: var(--gradient-main);
    color: #fff;
}

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

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
}

.module-card:hover {
    border-color: var(--accent-blue);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}

.module-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.module-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

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

.module-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 20px;
}

.module-tag.free {
    background: rgba(6, 214, 160, 0.15);
    color: var(--accent-cyan);
}

/* ===== GUIDES ===== */
.guides {
    padding: 100px 0;
}

.guides h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 8px;
}

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

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

.guide-card.theo {
    border-color: rgba(139, 92, 246, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(139, 92, 246, 0.05));
}

.guide-avatar {
    font-size: 4rem;
    margin-bottom: 16px;
}

.guide-card h3 {
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.guide-title {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.guide-card > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.guide-highlight {
    font-style: italic;
    color: var(--accent-gold) !important;
    font-size: 0.95rem !important;
}

/* ===== PROMISE ===== */
.promise {
    padding: 80px 0;
}

.promise-box {
    background: linear-gradient(135deg, rgba(79, 143, 255, 0.08), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(79, 143, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 60px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.promise-box h2 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.promise-box p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.promise-box p:last-child {
    color: var(--text-primary);
    font-size: 1.15rem;
    margin-top: 24px;
}

/* ===== WAITLIST ===== */
.waitlist {
    padding: 100px 0;
}

.waitlist h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 8px;
}

.waitlist-form {
    max-width: 520px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.form-row-select {
    margin-bottom: 16px;
}

.waitlist-form input,
.waitlist-form select {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.3s;
}

.waitlist-form input::placeholder {
    color: var(--text-muted);
}

.waitlist-form input:focus,
.waitlist-form select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.waitlist-form select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 12px;
}

.waitlist-success {
    text-align: center;
    max-width: 520px;
    margin: 0 auto;
}

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

.waitlist-success h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.waitlist-success p {
    color: var(--text-secondary);
}

/* ===== FAQ ===== */
.faq {
    padding: 80px 0 100px;
}

.faq h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 48px;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.faq-item h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

/* ===== FOOTER ===== */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-brand {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero { padding: 80px 0 60px; }
    .hero h1 { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1.05rem; }
    .hero-body { font-size: 1rem; }

    .proof-items {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .analogy-grid { grid-template-columns: 1fr; }
    .modules { grid-template-columns: 1fr; }
    .guides-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }

    .promise-box { padding: 40px 24px; }

    .timeline { padding-left: 30px; }
}

@media (max-width: 480px) {
    .proof-items { grid-template-columns: 1fr; gap: 20px; }
    .hero-cta { flex-direction: column; align-items: center; }
    .btn { width: 100%; }
}