:root {
  --bg: #f7f8ff;
  --surface: #ffffff;
  --text: #1f2340;
  --muted: #6b7086;
  --border: #e6e7f5;
  --blue: #2563eb;
  --blue-soft: #eef4ff;
  --dark: #0b0d1a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* Nav */
.nav { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 20px; text-decoration: none; }
.nav-links { display: flex; gap: 20px; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--blue); }

/* Hero */
.hero { text-align: center; padding: 72px 0 56px; }
.pill { display: inline-block; background: var(--blue-soft); color: var(--blue); font-weight: 700; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; padding: 6px 14px; border-radius: 999px; }
.hero h1 { font-size: clamp(34px, 6vw, 56px); line-height: 1.1; margin: 20px auto 16px; max-width: 760px; letter-spacing: -0.02em; }
.accent { color: var(--blue); }
.lead { font-size: 18px; color: var(--muted); max-width: 580px; margin: 0 auto; }
.cta { margin-top: 32px; display: flex; justify-content: center; }
.store-badge { display: inline-flex; align-items: center; gap: 10px; background: var(--dark); color: #fff; padding: 10px 20px; border-radius: 12px; text-align: left; }
.store-badge span { display: flex; flex-direction: column; font-size: 18px; font-weight: 600; line-height: 1.1; }
.store-badge small { font-size: 11px; font-weight: 400; opacity: .8; }

/* Roles */
.roles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-bottom: 64px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 24px; }
.card h2 { font-size: 19px; margin: 14px 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 22px; }
.icon.blue { background: #eef4ff; }
.icon.purple { background: #f3eeff; }
.icon.green { background: #eafbf0; }

/* Features */
.features { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 64px 0; }
.section-title { font-size: 30px; margin: 0 0 24px; text-align: center; letter-spacing: -0.01em; }
.feature-list { list-style: none; padding: 0; margin: 0 auto; max-width: 760px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 32px; }
.feature-list li { display: flex; flex-direction: column; gap: 4px; padding-left: 18px; border-left: 3px solid var(--blue); }
.feature-list span { color: var(--muted); font-size: 15px; }

/* Privacy band */
.privacy-band { background: var(--dark); color: #fff; text-align: center; padding: 56px 0; }
.privacy-band h2 { font-size: 26px; margin: 0 0 10px; }
.privacy-band p { color: #c7c9d9; max-width: 560px; margin: 0 auto 14px; }
.privacy-band .link { color: #93b4ff; font-weight: 600; text-decoration: none; }

/* Support */
.support { text-align: center; padding: 64px 20px; }
.support p { color: var(--muted); margin: 0 0 20px; }
.btn { display: inline-block; background: var(--blue); color: #fff; text-decoration: none; font-weight: 700; padding: 12px 22px; border-radius: 12px; }
.btn:hover { background: #1d4ed8; }

/* Footer */
.footer { border-top: 1px solid var(--border); background: var(--surface); padding: 24px 0; font-size: 14px; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.footer nav { display: flex; gap: 18px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--blue); }

/* Privacy page */
.doc { max-width: 760px; padding-top: 48px; padding-bottom: 64px; }
.doc h1 { font-size: 36px; margin: 0 0 4px; }
.doc .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.doc h2 { font-size: 20px; margin: 32px 0 8px; }
.doc p, .doc li { color: #3a3f5c; }
.doc code { background: var(--blue-soft); color: var(--blue); padding: 2px 6px; border-radius: 6px; font-size: 14px; }

@media (max-width: 760px) {
  .roles { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; }
  .nav-links a[href="#features"] { display: none; }
  .hero { padding: 48px 0 40px; }
}

.mission { margin: 18px auto 0; color: var(--text); font-size: 16px; }
.mission strong { color: var(--blue); }