:root {
  --bg: #0f1226;
  --bg-soft: #171a35;
  --ink: #1c2030;
  --paper: #fbfaff;
  --paper-2: #f1eefb;
  --muted: #5a5f73;
  --line: #e6e2f3;
  --brand: #6c5ce7;
  --brand-2: #00b4a6;
  --accent: #f6b35a;
  --radius: 18px;
  --maxw: 980px;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  line-height: 1.65;
  font-size: 17px;
}

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

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- Top bar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(251, 250, 255, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 11px; font-weight: 650; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .mark { width: 30px; height: 30px; display: block; }
.nav-links { display: flex; gap: 22px; font-size: 15.5px; }
.nav-links a { color: var(--muted); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #f4f3ff;
  background:
    radial-gradient(1200px 520px at 78% -8%, rgba(0, 180, 166, 0.35), transparent 60%),
    radial-gradient(900px 480px at 12% 8%, rgba(246, 179, 90, 0.18), transparent 55%),
    linear-gradient(160deg, #1a1d3d 0%, #0f1226 70%);
}
.hero .wrap { padding: 86px 22px 96px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #b9b4e6;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.05;
  margin: 0 0 18px;
  font-weight: 720;
  letter-spacing: -0.02em;
  max-width: 18ch;
}
.hero p.lead {
  font-size: clamp(17px, 2.4vw, 21px);
  color: #cfcbf0;
  max-width: 56ch;
  margin: 0 0 32px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  border: 1px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, #8a7bff 100%);
  color: #fff;
  box-shadow: 0 10px 30px rgba(108, 92, 231, 0.45);
}
.btn-ghost {
  color: #e8e6ff;
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
}

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.section-title {
  font-size: clamp(24px, 3.4vw, 32px);
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  font-weight: 700;
}
.section-sub { color: var(--muted); margin: 0 0 40px; max-width: 60ch; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
}
.step .n {
  display: inline-grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature {
  display: flex;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.feature .ic {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(108,92,231,0.12), rgba(0,180,166,0.12));
  color: var(--brand);
}
.feature h3 { margin: 0 0 4px; font-size: 16.5px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.privacy-band {
  background: var(--bg);
  color: #e9e7ff;
  border-radius: 24px;
  padding: 44px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 28px;
  align-items: center;
}
.privacy-band h2 { margin: 0 0 12px; font-size: 26px; }
.privacy-band p { margin: 0; color: #bdb9e6; }
.privacy-band .chip {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  color: #00d6c4;
  background: rgba(0, 180, 166, 0.12);
  border: 1px solid rgba(0, 180, 166, 0.3);
  padding: 6px 12px;
  border-radius: 999px;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  color: var(--muted);
  font-size: 14.5px;
}
.footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); }

/* ---------- Legal / content pages ---------- */
.doc { padding: 56px 0 72px; }
.doc h1 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 6px; letter-spacing: -0.01em; }
.doc .updated { color: var(--muted); font-size: 14.5px; margin: 0 0 36px; }
.doc h2 { font-size: 21px; margin: 38px 0 10px; }
.doc h3 { font-size: 17px; margin: 24px 0 6px; }
.doc p, .doc li { color: #34384a; }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc .toc {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 0 0 36px;
}
.doc .toc strong { display: block; margin-bottom: 8px; font-size: 14px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.doc .toc ul { margin: 0; padding-left: 18px; columns: 2; }
.doc .callout {
  border-left: 3px solid var(--brand-2);
  background: rgba(0, 180, 166, 0.06);
  padding: 14px 18px;
  border-radius: 0 12px 12px 0;
  margin: 20px 0;
}
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  background: #fff;
  margin: 20px 0;
}

@media (max-width: 820px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: 1fr; }
  .privacy-band { grid-template-columns: 1fr; padding: 30px; }
  .doc .toc ul { columns: 1; }
  .nav-links { gap: 16px; }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}