/* ===== VARIABLES ===== */
:root {
  --bg: #0f0f14;
  --bg-2: #141418;
  --bg-3: #1a1a20;
  --fg: #f5f5f4;
  --fg-2: #a8a29e;
  --fg-3: #78716c;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --success: #22c55e;
  --border: rgba(245, 158, 11, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --max-w: 1100px;
  --pad-x: 48px;
  --pad-y: 96px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(15, 15, 20, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ===== HERO ===== */
.hero {
  padding: 160px var(--pad-x) var(--pad-y);
  max-width: var(--max-w);
  margin: 0 auto;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}
.eyebrow-tag {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 14px;
  border-radius: 2px;
  border: 1px solid rgba(245, 158, 11, 0.25);
}
.eyebrow-sep { color: var(--fg-3); font-size: 12px; }
.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(48px, 7vw, 88px);
  line-height: 1.05;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-lede {
  font-size: 18px;
  line-height: 1.75;
  color: var(--fg-2);
  max-width: 680px;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-2);
  overflow: hidden;
  width: fit-content;
}
.stat {
  padding: 24px 36px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-val {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 12px;
  color: var(--fg-3);
  line-height: 1.4;
  max-width: 140px;
}
.stat-div {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* ===== PROBLEM ===== */
.problem {
  background: var(--bg-2);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x);
}
.problem-label, .features-label, .modules-label, .pilot-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  font-weight: 600;
}
.problem-headline {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 56px;
}
.problem-flow {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 56px;
  overflow-x: auto;
  padding-bottom: 8px;
}
.flow-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 160px;
}
.flow-num {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
}
.flow-text {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.5;
}
.flow-text strong { color: var(--fg); }
.flow-arrow {
  padding: 0 16px;
  flex-shrink: 0;
}
.problem-quote {
  border-left: 2px solid var(--accent);
  padding-left: 28px;
}
.quote-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 20px;
  color: var(--fg-2);
  line-height: 1.6;
  margin-bottom: 12px;
}
.quote-sub {
  font-size: 13px;
  color: var(--fg-3);
}

/* ===== FEATURES ===== */
.features {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x);
}
.features-headline {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 56px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 4px;
}
.feature-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 15px;
  color: var(--fg-2);
  line-height: 1.65;
}

/* ===== MODULES ===== */
.modules {
  background: var(--bg-2);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  max-width: 100%;
}
.modules .modules-label,
.modules .modules-headline,
.modules .modules-grid {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}
.modules-label {
  display: block;
  padding-top: var(--pad-y);
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
  margin-bottom: 24px;
}
.modules-headline {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 48px;
  padding: 0 var(--pad-x);
}
.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border-top: 1px solid var(--border-subtle);
}
.module-card {
  background: var(--bg-2);
  padding: 36px 40px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: background 0.2s;
}
.module-card:hover { background: var(--bg-3); }
.module-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
  padding-top: 4px;
  min-width: 24px;
}
.module-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}
.module-desc {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.6;
}

/* ===== PILOT ===== */
.pilot {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x);
}
.pilot-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 32px;
}
.pilot-headline {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 24px;
}
.pilot-sub {
  font-size: 17px;
  color: var(--fg-2);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 56px;
}
.pilot-requirements {
  margin-bottom: 56px;
}
.req-label, .pricing-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 20px;
  font-weight: 600;
}
.req-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
}
.req-item {
  background: var(--bg-2);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.req-key {
  font-size: 12px;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.req-val {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
}
.pilot-pricing {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-2);
}
.pricing-label {
  padding: 20px 28px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 0;
}
.pricing-table {
  display: flex;
  flex-direction: column;
}
.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border-subtle);
}
.price-row:last-child { border-bottom: none; }
.price-item { font-size: 14px; color: var(--fg-2); }
.price-val {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.price-row--full {
  background: var(--accent-dim);
}
.price-row--full .price-item { color: var(--fg); }
.price-row--full .price-val { color: var(--accent); }

/* ===== CLOSING ===== */
.closing {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  border-top: 1px solid var(--border-subtle);
}
.closing-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x);
}
.closing-text {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.3;
  color: var(--fg-2);
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  max-width: 720px;
}
.closing-text em {
  font-style: italic;
  color: var(--accent);
}
.closing-expand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.expand-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: var(--fg-2);
}
.expand-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--fg);
}
.footer-desc {
  font-size: 13px;
  color: var(--fg-3);
}
.footer-note {
  font-size: 12px;
  color: var(--fg-3);
  text-align: right;
  max-width: 280px;
  line-height: 1.5;
}

/* ===== NAV CTA ===== */
.nav-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 3px;
  transition: all 0.15s;
}
.nav-cta:hover {
  background: var(--accent-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root {
    --pad-x: 24px;
    --pad-y: 72px;
  }
  .hero { padding-top: 120px; }
  .hero-stats { flex-direction: column; width: 100%; }
  .stat-div { width: 100%; height: 1px; }
  .features-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }
  .req-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-note { text-align: left; }
  .problem-flow { flex-direction: column; align-items: flex-start; gap: 20px; }
  .flow-arrow { transform: rotate(90deg); }
}
@media (max-width: 480px) {
  .hero-headline { font-size: 40px; }
  .flow-item { min-width: unset; }
}