:root {
    --bg: #0D1B2A;
    --card-bg: #1B263B;
    --surface: #243347;
    --border: #2d3e50;
    --text: #FFFFFF;
    --text-muted: #94A7BE;
    --accent: #F4A261;
    --accent-hover: #E8923B;
    --light-bg: #FFFFFF;
    --light-text: #1a1a1a;
    --radius-btn: 4px;
    --radius-card: 8px;
    --transition: 0.2s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-light: 0 1px 3px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.04);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-muted);
    background: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==================== TYPOGRAPHY (scale: 14/16/20/28/40/56) ==================== */

h1, h2, h3, h4 {
    font-family: 'Libre Baskerville', Georgia, serif;
    color: var(--text);
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: 40px; }
h2 { font-size: 28px; }
h3 { font-size: 20px; }
h4 { font-size: 16px; }

p { margin-bottom: 16px; font-size: 16px; }

.text-sm { font-size: 14px; }
.text-lg { font-size: 20px; }

.section-label {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

/* ==================== HEADER ==================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: var(--bg);
    transition: padding var(--transition), border-color var(--transition);
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--border);
    padding: 12px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-logo:hover { text-decoration: none; color: var(--text); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 14px;
    text-decoration: none;
    transition: color var(--transition);
}

.nav-links a:hover { color: var(--accent); text-decoration: none; }

.nav-cta {
    display: inline-block;
    padding: 8px 16px;
    background: var(--accent);
    color: var(--bg) !important;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-btn);
    text-decoration: none !important;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(244, 162, 97, 0.3);
}

/* ==================== BOTTOM NAV (Mobile — native app style) ==================== */

.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    padding: 8px 0;
}

.bottom-nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
}

.bottom-nav-items a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 11px;
    text-decoration: none;
    padding: 4px 8px;
    transition: color var(--transition);
}

.bottom-nav-items a.active,
.bottom-nav-items a:hover { color: var(--accent); text-decoration: none; }

.bottom-nav-icon {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

/* ==================== BUTTONS ==================== */

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-btn);
    text-decoration: none !important;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg) !important;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(244, 162, 97, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--accent) !important;
    border: 1px solid var(--accent);
}

.btn-secondary:hover {
    background: rgba(244, 162, 97, 0.1);
    transform: scale(1.02);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted) !important;
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent) !important;
}

/* ==================== BREADCRUMBS ==================== */

.breadcrumbs {
    padding: 96px 0 0;
    font-size: 14px;
}

.breadcrumbs ol {
    list-style: none;
    display: flex;
    gap: 8px;
    align-items: center;
}

.breadcrumbs li { color: var(--text-muted); }
.breadcrumbs li + li::before { content: '›'; margin-right: 8px; color: var(--border); }
.breadcrumbs a { color: var(--text-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs .current { color: var(--text); }

/* ==================== CARDS ==================== */

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

.card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* ==================== HERO ==================== */

.hero {
    padding: 128px 0 64px;
}

.hero h1 { margin-bottom: 24px; }

.hero-desc {
    max-width: 600px;
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 32px;
}

/* Word reveal animation for H1 */
.word-reveal .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.word-reveal.visible .word { opacity: 1; transform: translateY(0); }

/* Terminal */
.terminal {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    max-width: 640px;
    margin: 0 auto 48px;
    text-align: left;
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
}

.terminal-dot:first-child { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #ffbd2e; }
.terminal-dot:nth-child(3) { background: #28ca42; }

.terminal-body {
    padding: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-muted);
    min-height: 180px;
}

.terminal-line { opacity: 0; transform: translateY(4px); transition: opacity 0.3s, transform 0.3s; }
.terminal-line.visible { opacity: 1; transform: translateY(0); }
.terminal-line .accent { color: var(--accent); }
.terminal-line .success { color: #28ca42; }
.terminal-line .warn { color: #ffbd2e; }
.terminal-line .muted { color: #556b82; }
.terminal-cursor { display: inline-block; width: 8px; height: 14px; background: var(--accent); animation: blink 1s step-end infinite; vertical-align: middle; margin-left: 2px; }

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

/* Stats row */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.stat-item { text-align: center; }
.stat-number {
    font-family: 'Libre Baskerville', serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--text);
    display: block;
}

.stat-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ==================== SECTIONS ==================== */

.section {
    padding: 96px 0;
    border-top: 1px solid var(--border);
}

.section-header {
    margin-bottom: 48px;
}

.section-header h2 { margin-bottom: 16px; }

.section-header p {
    max-width: 600px;
    font-size: 16px;
}

/* ==================== PATTERN CARDS (left-slide-in, border-left hover) ==================== */

.patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.pattern-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-left: 3px solid var(--border);
    border-radius: var(--radius-card);
    padding: 24px;
    transition: border-color var(--transition), border-left-color var(--transition), transform var(--transition);
}

.pattern-card:hover {
    border-left-color: var(--accent);
}

.pattern-card .pattern-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--accent);
    margin-bottom: 8px;
}

.pattern-card h3 { margin-bottom: 8px; }
.pattern-card p { font-size: 14px; margin-bottom: 16px; }

.pattern-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.pattern-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 0;
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.visible .pattern-bar-fill { width: var(--fill); }

/* Pattern card slide-in animation */
[data-animate="slide-left"] {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate="slide-left"].visible {
    opacity: 1;
    transform: translateX(0);
}

/* Callout */
.callout {
    background: var(--surface);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-card) var(--radius-card) 0;
    padding: 24px 32px;
    margin: 48px 0;
}

.callout p { margin: 0; font-size: 16px; color: var(--text); }

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.step {
    text-align: center;
    padding: 32px 16px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    margin-bottom: 16px;
}

.step h4 { margin-bottom: 8px; }
.step p { font-size: 14px; }

/* CTA Section */
.cta-section {
    padding: 64px 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.cta-section h2 { margin-bottom: 16px; }
.cta-section p { max-width: 500px; margin: 0 auto 32px; }

/* ==================== FAQ ==================== */

.faq-list { max-width: 700px; margin: 0 auto; }

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 24px 0;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

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

.faq-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    position: relative;
}

.faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background: var(--text-muted);
    transition: transform 0.2s ease-out;
}

.faq-icon::before { width: 20px; height: 2px; top: 9px; left: 0; }
.faq-icon::after { width: 2px; height: 20px; top: 0; left: 9px; }

.faq-item.open .faq-icon::after { transform: rotate(90deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
}

.faq-answer-inner {
    padding: 0 0 24px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-muted);
}

/* ==================== FOOTER ==================== */

.site-footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

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

.footer-links a {
    color: var(--text-muted);
    font-size: 14px;
    text-decoration: none;
}

.footer-links a:hover { color: var(--accent); }

.footer-contact a {
    color: var(--text-muted);
    font-size: 14px;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
}

.footer-contact a:hover { color: var(--accent); }

.footer-copy {
    font-size: 14px;
    color: var(--text-muted);
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* ==================== STICKY CTA BAR ==================== */

.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 900;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sticky-cta.visible { transform: translateY(0); }

.sticky-cta p {
    margin: 0;
    font-size: 14px;
    color: var(--text-muted);
}

.sticky-cta .btn { padding: 8px 16px; font-size: 14px; }

/* ==================== OFFER / PRICING ==================== */

.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.offer-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 32px 24px;
    position: relative;
    transition: border-color var(--transition), transform var(--transition);
}

.offer-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.offer-card.featured { border-color: var(--accent); }

.offer-badge {
    position: absolute;
    top: -10px;
    right: 16px;
    background: var(--accent);
    color: var(--bg);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: var(--radius-btn);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.offer-card h3 { margin-bottom: 8px; }

.offer-price {
    font-family: 'Libre Baskerville', serif;
    font-size: 28px;
    color: var(--text);
    margin-bottom: 16px;
}

.offer-price span { font-size: 14px; color: var(--text-muted); font-family: 'Inter', sans-serif; }

.offer-list {
    list-style: none;
    margin-bottom: 24px;
}

.offer-list li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-muted);
    padding-left: 20px;
    position: relative;
}

.offer-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ==================== TEARDOWN CARDS ==================== */

.teardown-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--accent);
    color: var(--accent);
}

.teardown-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 24px;
    margin-bottom: 16px;
    transition: border-color var(--transition);
    cursor: pointer;
}

.teardown-card:hover { border-color: var(--accent); }

.teardown-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.teardown-tag {
    font-size: 11px;
    padding: 4px 8px;
    background: var(--surface);
    border-radius: var(--radius-btn);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.teardown-card h3 { margin-bottom: 8px; }
.teardown-card > p { font-size: 14px; margin-bottom: 12px; }

.teardown-metrics {
    display: flex;
    gap: 24px;
    font-size: 14px;
    color: var(--text-muted);
}

.teardown-metrics strong { color: var(--accent); }

.teardown-detail {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
}

.teardown-detail-inner {
    padding: 24px 0 0;
    border-top: 1px solid var(--border);
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.5;
}

/* ==================== ABOUT ==================== */

.about-section { max-width: 700px; }
.about-section h2 { margin-bottom: 16px; }
.about-section p { margin-bottom: 16px; }

.social-links {
    display: flex;
    gap: 8px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.social-links a {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    color: var(--text-muted);
    font-size: 14px;
    text-decoration: none;
    transition: all var(--transition);
}

.social-links a:hover { border-color: var(--accent); color: var(--accent); }

/* ==================== ANIMATIONS ==================== */

[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 768px) {
    h1 { font-size: 28px; }
    h2 { font-size: 20px; }

    .hero { padding: 96px 0 48px; }

    .nav-links { display: none; }
    .bottom-nav { display: block; }

    body { padding-bottom: 56px; }

    .stats-row { gap: 24px; }
    .stat-number { font-size: 28px; }

    .steps { grid-template-columns: 1fr; gap: 16px; }

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

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

    .sticky-cta { display: none; }

    .section { padding: 64px 0; }

    .footer-grid { flex-direction: column; gap: 24px; }
}

@media (max-width: 480px) {
    h1 { font-size: 28px; }

    .container { padding: 0 16px; }

    .hero { padding: 80px 0 32px; }

    .terminal-body { font-size: 12px; padding: 16px; }

    .card, .pattern-card, .offer-card, .teardown-card { padding: 16px; }

    .breadcrumbs { padding-top: 72px; }
}

@media (min-width: 769px) {
    h1 { font-size: 56px; }
}