:root {
  --teal: #00A3A1;
  --coral: #FF6B4A;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --bg: #ffffff;
  --card: #f7f7f7;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }
.header {
  border-bottom: 1px solid #eee;
  padding: 16px 0;
}
.header-inner { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 600; }
.logo-img { width: 36px; height: 36px; }
.logo-img.large { width: 96px; height: 96px; margin: 0 auto 24px; display: block; }
nav a { margin-left: 20px; color: var(--muted); text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--teal); }
.hero { text-align: center; padding: 80px 0 60px; }
.hero h1 { font-size: 48px; line-height: 1.15; margin-bottom: 16px; }
.lead { font-size: 18px; color: var(--muted); max-width: 480px; margin: 0 auto 32px; }
.note { margin-top: 12px; font-size: 14px; color: var(--muted); }
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
}
.btn-coral { background: var(--coral); color: white; }
.btn-teal { background: var(--teal); color: white; }
.btn[aria-disabled="true"] { opacity: 0.6; pointer-events: none; }
.how, .safety { padding: 40px 0; text-align: center; }
.how h2, .safety h2 { margin-bottom: 24px; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; text-align: left; }
.step { background: var(--card); padding: 20px; border-radius: 16px; }
.step span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--teal); color: white; font-weight: 600; font-size: 14px;
  margin-bottom: 10px;
}
.step p { color: var(--muted); font-size: 15px; }
.safety p { max-width: 560px; margin: 0 auto; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card { background: var(--card); padding: 24px; border-radius: 16px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }
.download { text-align: center; padding: 40px 0 80px; }
.download h2 { margin-bottom: 8px; }
.download p { color: var(--muted); margin-bottom: 20px; }
.footer { border-top: 1px solid #eee; padding: 40px 0; text-align: center; font-size: 14px; color: var(--muted); }
.footer-links { margin-bottom: 12px; }
.footer-links a { margin: 0 12px; color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--teal); }
.contact { margin-bottom: 8px; }
.legal { padding: 60px 0 80px; }
.legal h1 { font-size: 36px; margin-bottom: 8px; }
.legal .meta { color: var(--muted); margin-bottom: 32px; font-size: 14px; }
.legal h2 { font-size: 20px; margin: 28px 0 8px; }
.legal p, .legal li { margin-bottom: 10px; color: #333; }
.legal ul { padding-left: 20px; margin-bottom: 12px; }
@media (max-width: 600px) {
  .hero h1 { font-size: 36px; }
  nav { display: none; }
}