:root {
  --bg: #0b0b0f;
  --fg: #f5f5f7;
  --muted: #a1a1aa;
  --accent: #6366f1;
  --accent-2: #ec4899;
  --card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 96px 24px 96px;
}

@media (max-width: 640px) {
  main { padding: 64px 20px 80px; }
}

header.nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 88px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

header.nav a.home {
  display: flex;
  align-items: center;
  gap: 12px;
}

header.nav .dot {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 4px 20px -4px rgba(99,102,241,0.5);
}

h1 {
  font-size: clamp(44px, 7vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  font-weight: 700;
}

h1 .gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 20px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 40px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
  border: 1px solid transparent;
  user-select: none;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 8px 28px -8px rgba(99,102,241,0.6);
}

.btn-primary:hover { filter: brightness(1.08); }

.btn-secondary {
  background: var(--card);
  border-color: var(--border);
  color: var(--fg);
}

.btn-secondary:hover { background: rgba(255,255,255,0.07); }

.meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}

section.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 80px 0 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}

.card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}

.card .icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  opacity: 0.9;
  margin-bottom: 14px;
  display: grid;
  place-items: center;
  color: white;
  font-size: 14px;
}

footer.site-footer {
  margin-top: 96px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
}

footer.site-footer a:hover { color: var(--fg); }

/* Document (legal / pricing) pages */
.doc h1 {
  font-size: clamp(36px, 5vw, 52px);
  margin-bottom: 8px;
}

.doc h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 48px 0 12px;
}

.doc h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 8px;
  color: var(--fg);
}

.doc p,
.doc li {
  font-size: 16px;
  line-height: 1.65;
  color: var(--muted);
}

.doc p { margin: 12px 0; }

.doc ul,
.doc ol {
  padding-left: 22px;
  margin: 12px 0;
}

.doc li { margin: 6px 0; }

.doc a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.25);
  text-underline-offset: 3px;
}

.doc a:hover { text-decoration-color: var(--accent); }

.doc strong { color: var(--fg); }

.doc code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 6px;
}

.doc .note {
  margin: 24px 0;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 14px;
  color: var(--muted);
}

/* Pricing-specific */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 40px 0 0;
}

.plan {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 24px;
}

.plan.featured {
  border-color: rgba(99,102,241,0.5);
  box-shadow: 0 8px 40px -16px rgba(99,102,241,0.4);
}

.plan h3 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 600;
}

.plan .price {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: 10px 0 2px;
}

.plan .price-period {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

.plan .plan-desc {
  font-size: 14px;
  color: var(--muted);
  margin: 6px 0 18px;
}

.plan ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plan li {
  font-size: 14px;
  color: var(--muted);
  padding: 6px 0;
  border-top: 1px solid var(--border);
}

.plan li:first-child { border-top: none; }

.plan li::before {
  content: "✓";
  color: var(--accent);
  margin-right: 8px;
  font-weight: 700;
}