:root {
  --indigo: #6366f1;
  --indigo-dark: #4f46e5;
  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-mute: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-hero: linear-gradient(135deg, #eef2ff 0%, #ffffff 60%);
  --radius: 14px;
  --shadow: 0 6px 24px rgba(15, 23, 42, 0.06);
  --max: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

img, svg { display: block; max-width: 100%; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--ink-soft); font-weight: 500; font-size: 14px; }
.nav a.cta {
  background: var(--indigo);
  color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
}
.nav a.cta:hover { background: var(--indigo-dark); text-decoration: none; }

@media (max-width: 640px) {
  .nav a:not(.cta) { display: none; }
}

/* === Hero === */
.hero {
  background: var(--bg-hero);
  padding: 72px 0 96px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 800px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
.hero h1 .accent { color: var(--indigo); }
.hero p.lede {
  font-size: 18px;
  color: var(--ink-soft);
  margin: 0 0 28px;
}
.hero-art {
  display: flex;
  justify-content: center;
}
.hero-art .icon-tile {
  width: 220px;
  height: 220px;
  border-radius: 48px;
  box-shadow: 0 24px 60px rgba(99, 102, 241, 0.35);
  background: #6366f1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-art .icon-tile svg { width: 70%; height: 70%; }

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .08s ease, box-shadow .12s ease;
}
.btn-primary { background: var(--indigo); color: #fff; }
.btn-primary:hover { background: var(--indigo-dark); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--indigo); color: var(--indigo); text-decoration: none; }

/* === Sections === */
section { padding: 72px 0; }
.section-eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--indigo);
  margin: 0 0 8px;
}
.section-title {
  font-size: clamp(26px, 3.5vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}
.section-lede {
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 0 40px;
}

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 880px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .features { grid-template-columns: 1fr; } }
.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: #fff;
  transition: border-color .12s, transform .12s;
}
.feature:hover {
  border-color: var(--indigo);
  transform: translateY(-2px);
}
.feature .ico {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--indigo);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
}
.feature h3 { font-size: 17px; margin: 0 0 6px; }
.feature p { color: var(--ink-soft); font-size: 14.5px; margin: 0; }

/* Trust strip */
.trust {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
@media (max-width: 720px) { .trust-grid { grid-template-columns: repeat(2, 1fr); } }
.trust-grid .pill { font-weight: 700; color: var(--indigo); font-size: 22px; }
.trust-grid .label { color: var(--ink-mute); font-size: 13px; }

/* CTA */
.cta-band {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  margin: 24px 0 0;
}
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); margin: 0 0 8px; }
.cta-band p { color: rgba(255, 255, 255, 0.85); margin: 0 auto 24px; max-width: 560px; }
.cta-band .btn-primary {
  background: #fff;
  color: var(--indigo);
}
.cta-band .btn-primary:hover { background: #f1f5ff; }

/* === Doc pages (privacy / terms / permissions / support) === */
.doc {
  padding: 56px 0 96px;
}
.doc h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.doc .effective {
  color: var(--ink-mute);
  font-size: 14px;
  margin: 0 0 32px;
}
.doc h2 {
  font-size: 22px;
  margin: 36px 0 10px;
  letter-spacing: -0.01em;
}
.doc h3 { font-size: 17px; margin: 24px 0 6px; }
.doc p, .doc li { color: var(--ink-soft); }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 6px; }
.doc .callout {
  background: var(--bg-soft);
  border-left: 4px solid var(--indigo);
  padding: 14px 18px;
  border-radius: 8px;
  margin: 22px 0;
}
.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14.5px;
}
.doc th, .doc td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 12px 14px;
  vertical-align: top;
}
.doc th { background: var(--bg-soft); font-weight: 600; color: var(--ink); }

/* TOC for long docs */
.toc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  background: var(--bg-soft);
  margin: 0 0 32px;
}
.toc-title { font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-mute); margin: 0 0 8px; }
.toc ol { margin: 0; padding-left: 22px; }
.toc a { color: var(--ink); }

/* === Footer === */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 36px 0 28px;
  font-size: 14px;
}
.site-footer .grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}
@media (max-width: 700px) { .site-footer .grid { grid-template-columns: 1fr; } }
.site-footer h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-mute); margin: 0 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 6px; }
.site-footer .copyright {
  color: var(--ink-mute);
  border-top: 1px solid var(--line);
  padding-top: 18px;
}