:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fc;
  --fg: #1a1c22;
  --muted: #6b7280;
  --border: #e6e8ee;
  --accent: #5b6cff;
  --accent-2: #7c8bff;
  --accent-fg: #ffffff;
  --card: #ffffff;
  --chip: #eef0f6;
  --shadow: 0 10px 30px rgba(27, 32, 84, 0.08);
  --radius: 16px;
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151b;
    --bg-soft: #1b1d24;
    --fg: #e9eaf0;
    --muted: #9aa0ad;
    --border: #2c2f3a;
    --accent: #7c8bff;
    --accent-2: #9aa6ff;
    --accent-fg: #0f1017;
    --card: #1b1d24;
    --chip: #262933;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(180%) blur(12px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: 0.2px; color: var(--fg); }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--fg); text-decoration: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.06s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-fg); box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-1px); background: var(--accent-2); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-soft); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 72px;
  background:
    radial-gradient(1000px 500px at 80% -10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
    radial-gradient(700px 400px at 0% 10%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 55%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--chip); color: var(--muted);
  padding: 6px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.3px;
  margin-bottom: 18px;
}
.hero h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.08; margin: 0 0 18px; letter-spacing: -0.5px; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 34ch; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { margin-top: 18px; font-size: 14px; color: var(--muted); display: flex; gap: 16px; flex-wrap: wrap; }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }

/* mock popup */
.mock {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: rotate(0.5deg);
}
.mock-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.mock-brand { display: flex; align-items: center; gap: 8px; font-weight: 800; }
.mock-brand img { width: 22px; height: 22px; border-radius: 6px; }
.mock-stats { display: flex; gap: 10px; padding: 14px 16px; }
.mock-stat { flex: 1; background: var(--chip); border-radius: 12px; padding: 10px 12px; }
.mock-stat b { display: block; font-size: 22px; }
.mock-stat span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.mock-actions { display: flex; gap: 8px; padding: 0 16px 12px; }
.mock-actions .pill { flex: 1; text-align: center; font-size: 12px; font-weight: 700; padding: 9px; border-radius: 10px; border: 1px solid var(--border); }
.mock-actions .pill.accent { border-color: var(--accent); color: var(--accent); }
.mock-list { padding: 4px 10px 14px; }
.mock-row { display: flex; align-items: center; gap: 10px; padding: 9px 8px; border-radius: 10px; }
.mock-row:hover { background: var(--bg-soft); }
.mock-fav { width: 16px; height: 16px; border-radius: 4px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); flex: none; }
.mock-row.dim .mock-fav { opacity: 0.4; }
.mock-title { font-size: 13px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.mock-row.dim .mock-title { color: var(--muted); }
.mock-z { margin-left: auto; font-size: 12px; color: var(--muted); }

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 36px); margin: 0 0 12px; letter-spacing: -0.3px; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }
.alt { background: var(--bg-soft); }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.12s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card .ic {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; font-size: 22px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  margin-bottom: 16px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* privacy / permissions strip */
.perms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.perm { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.perm code { background: var(--chip); padding: 3px 8px; border-radius: 6px; font-size: 13px; font-weight: 700; color: var(--accent); }
.perm p { color: var(--muted); margin: 12px 0 0; font-size: 15px; }

.trust-list { list-style: none; padding: 0; margin: 28px auto 0; max-width: 560px; display: grid; gap: 12px; }
.trust-list li { display: flex; gap: 12px; align-items: flex-start; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.trust-list .check { color: var(--accent); font-weight: 800; flex: none; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 26px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--accent); color: var(--accent-fg);
  font-weight: 800; margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* CTA */
.cta {
  text-align: center;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #fff;
  border-radius: 24px;
  padding: 56px 28px;
  margin: 0 24px;
}
.cta h2 { font-size: clamp(26px, 3.4vw, 34px); margin: 0 0 12px; }
.cta p { margin: 0 0 26px; opacity: 0.92; font-size: 17px; }
.cta .btn-primary { background: #fff; color: var(--accent); }
.cta .btn-primary:hover { background: #f2f2ff; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0; margin-top: 20px; }
.foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.foot .brand { font-size: 16px; }
.foot-links { display: flex; gap: 22px; }
.foot-links a { color: var(--muted); font-weight: 600; font-size: 14px; }
.foot small { color: var(--muted); }

/* ---------- Legal pages ---------- */
.legal { padding: 56px 0 40px; }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: clamp(30px, 4vw, 42px); margin: 0 0 8px; }
.legal .updated { color: var(--muted); margin: 0 0 36px; font-size: 15px; }
.legal h2 { font-size: 22px; margin: 40px 0 12px; }
.legal h3 { font-size: 17px; margin: 26px 0 8px; }
.legal p, .legal li { color: var(--fg); }
.legal .muted, .legal p.muted { color: var(--muted); }
.legal ul { padding-left: 22px; }
.legal li { margin: 6px 0; }
.callout {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 24px 0;
}
.callout p { margin: 0; }
.legal table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
.legal th, .legal td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.legal th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.4px; }
.legal code { background: var(--chip); padding: 2px 7px; border-radius: 6px; font-size: 14px; color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero p.lede { max-width: none; }
  .features, .perms, .steps { grid-template-columns: 1fr; }
  .nav-links .hide-sm { display: none; }
}
@media (max-width: 560px) {
  section { padding: 56px 0; }
  .nav-links { gap: 14px; }
}