:root {
  color-scheme: dark;
  --bg: #0d1320;
  --bg-elevated: rgba(20, 27, 45, 0.92);
  --panel: rgba(15, 22, 38, 0.88);
  --border: rgba(118, 142, 186, 0.24);
  --text: #eef3ff;
  --muted: #a7b5d3;
  --accent: #7c5cff;
  --accent-soft: rgba(124, 92, 255, 0.18);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --max-width: 1120px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: radial-gradient(circle at top, #16203a 0%, #0d1320 50%, #080b12 100%); color: var(--text); }
a { color: inherit; text-decoration: none; }
body { min-height: 100vh; }
.page-shell { width: min(calc(100% - 32px), var(--max-width)); margin: 0 auto; padding: 24px 0 48px; }
.site-header, .site-footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.site-header { padding: 8px 0 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: 0.02em; }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; box-shadow: var(--shadow); }
.header-actions, .footer-links { display: inline-flex; align-items: center; gap: 18px; color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 12px 20px; border-radius: 999px; background: var(--accent); color: white; font-weight: 600; box-shadow: 0 12px 24px rgba(124, 92, 255, 0.28); }
.button-secondary, .button-ghost { background: transparent; border: 1px solid var(--border); box-shadow: none; }
main { display: grid; gap: 64px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr); gap: 28px; align-items: center; padding-top: 16px; }
.eyebrow { margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.72rem; color: #8ea1cc; }
.hero h1, .section h2 { margin: 0; letter-spacing: -0.03em; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 0.96; max-width: 11ch; }
.lede, .section-text, .privacy-grid p, .capability-card p, .footer-copy { color: var(--muted); font-size: 1.02rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-card, .section, .site-footer { background: var(--panel); border: 1px solid var(--border); border-radius: 28px; box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.hero-card { padding: 24px; min-height: 100%; }
.signal-card { height: 100%; display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.signal-label { margin: 0; color: #c9d5f2; font-size: 0.9rem; font-weight: 600; }
.signal-card ul { margin: 0; padding-left: 18px; color: var(--muted); display: grid; gap: 12px; }
.section { padding: 32px; }
.section-heading { margin-bottom: 16px; }
.capability-grid, .privacy-grid { display: grid; gap: 18px; }
.capability-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.capability-card { padding: 24px; border-radius: 22px; background: var(--bg-elevated); border: 1px solid rgba(255,255,255,0.05); }
.capability-card h3 { margin-top: 0; margin-bottom: 12px; font-size: 1.1rem; }
.privacy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.site-footer { margin-top: 64px; padding: 28px 32px; }
.footer-title { margin: 0 0 8px; font-size: 1.05rem; font-weight: 700; }
.footer-copy { margin: 0; }
@media (max-width: 900px) {
  .hero, .capability-grid, .privacy-grid, .site-header, .site-footer { grid-template-columns: 1fr; flex-direction: column; align-items: flex-start; }
  .header-actions, .footer-links { flex-wrap: wrap; }
  .page-shell { width: min(calc(100% - 24px), var(--max-width)); padding-top: 20px; }
  .section, .site-footer, .hero-card { padding: 24px; }
}