:root {
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --ink: #0F172A;
  --muted: #475569;
  --line: #E2E8F0;
  --bg: #F8FAFC;
  --red: #DC2626;
  --green: #16A34A;
  --radius: 14px;
  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.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: 19px; color: var(--ink); }
.brand img { width: 30px; height: 30px; }
.brand span b { color: var(--blue); }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
@media (max-width: 640px) { .nav-links { gap: 14px; } .nav-links a.hide-sm { display: none; } }

/* Hero */
.hero {
  background: radial-gradient(1100px 480px at 50% -10%, #EFF6FF 0%, #fff 60%);
  padding: 72px 0 56px;
  text-align: center;
}
.hero img.mark { width: 84px; height: 84px; margin-bottom: 18px; }
.hero h1 { font-size: 44px; line-height: 1.1; margin: 0 0 14px; letter-spacing: -0.02em; }
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue); color: #fff; font-weight: 700; font-size: 16px;
  padding: 13px 22px; border-radius: 999px; border: 0; cursor: pointer;
}
.btn:hover { background: var(--blue-dark); text-decoration: none; }
.btn.ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }
@media (max-width: 640px) { .hero h1 { font-size: 33px; } }

/* Sections */
section { padding: 56px 0; }
section.alt { background: var(--bg); }
h2.section-title { font-size: 30px; text-align: center; margin: 0 0 8px; letter-spacing: -0.01em; }
p.section-sub { text-align: center; color: var(--muted); max-width: 620px; margin: 0 auto 38px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.step .num {
  width: 34px; height: 34px; border-radius: 999px; background: #EFF6FF; color: var(--blue);
  font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature { padding: 22px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }
.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }
.dot { width: 10px; height: 10px; border-radius: 999px; display: inline-block; margin-right: 8px; vertical-align: middle; }
.dot.lost { background: var(--red); }
.dot.found { background: var(--green); }
.dot.blue { background: var(--blue); }
@media (max-width: 820px) { .steps, .features { grid-template-columns: 1fr; } }

/* Privacy callout */
.callout {
  background: linear-gradient(180deg, #EFF6FF, #fff);
  border: 1px solid var(--line); border-radius: 18px; padding: 34px; text-align: center;
}
.callout h2 { margin: 0 0 8px; font-size: 26px; }
.callout p { color: var(--muted); max-width: 640px; margin: 0 auto 18px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 38px 0; color: var(--muted); font-size: 14px; }
.foot-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; }
.foot-links a { color: var(--muted); font-weight: 600; }

/* Legal / content pages */
.doc { padding: 48px 0 64px; }
.doc .wrap { max-width: 800px; }
.doc h1 { font-size: 34px; margin: 0 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 30px; font-size: 14px; }
.doc h2 { font-size: 22px; margin: 34px 0 10px; }
.doc h3 { font-size: 17px; margin: 22px 0 6px; }
.doc p, .doc li { color: #1E293B; }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc .box {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin: 22px 0;
}
.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { background: var(--bg); font-weight: 700; }
.back { display: inline-block; margin-bottom: 18px; color: var(--muted); font-weight: 600; }