:root {
  --bg-primary: #06080d;
  --bg-secondary: #0d1117;
  --bg-card: #111820;
  --bg-card-hover: #161e28;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #5a6370;
  --accent: #d4a853;
  --accent-dim: rgba(212, 168, 83, 0.12);
  --accent-glow: rgba(212, 168, 83, 0.25);
  --green: #3fb950;
  --green-dim: rgba(63, 185, 80, 0.15);
  --border: rgba(139, 148, 158, 0.12);
  --radius: 12px;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'DM Sans', -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(212, 168, 83, 0.06) 0%, transparent 70%),
    var(--bg-primary);
}

.hero-container {
  max-width: 800px;
  text-align: center;
}

.hero-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(212, 168, 83, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.highlight {
  color: var(--accent);
}

.lede {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 32px 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat { text-align: center; }

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'IBM Plex Mono', monospace;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-container {
  max-width: 1000px;
  margin: 0 auto;
}

.section-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
}

.features-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: background 0.2s, border-color 0.2s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(212, 168, 83, 0.15);
}

.feature-large {
  grid-column: 1 / -1;
}

.feature-icon {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ===== PROOF ===== */
.proof {
  padding: 100px 24px;
}

.proof-container {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.proof-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.proof-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.accent-text {
  color: var(--accent);
  font-weight: 500;
}

.proof-visual {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ledger-line {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
}

.ledger-line:last-child { border-bottom: none; }

.ll-date {
  color: var(--text-muted);
  width: 60px;
  flex-shrink: 0;
}

.ll-desc {
  color: var(--text-secondary);
  flex: 1;
}

.ll-status {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
}

.ll-status.done {
  color: var(--green);
  background: var(--green-dim);
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(212, 168, 83, 0.05) 0%, transparent 70%),
    var(--bg-primary);
  border-top: 1px solid var(--border);
}

.closing-container {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.closing-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-container {
  max-width: 1000px;
  margin: 0 auto;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; min-height: auto; }
  .hero-stats { flex-direction: column; gap: 20px; padding: 24px; }
  .stat-divider { width: 40px; height: 1px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: 1; }
  .proof-container { grid-template-columns: 1fr; gap: 40px; }
  .closing { padding: 80px 20px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .lede { font-size: 1rem; }
  .features-header h2 { font-size: 1.5rem; }
}