:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #5b5b5b;
  --border: #e6e6e6;
  --accent: #2962ff;
  --accent-hover: #1a4cd9;
  --notice-bg: #fff7e0;
  --notice-border: #e9c75a;
  --radius: 10px;
  --maxw: 760px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-home {
  font-weight: 700;
  color: var(--text);
  font-size: 1.05rem;
}
.site-home:hover { text-decoration: none; color: var(--accent); }

.site-header nav a {
  margin-left: 16px;
  font-size: 0.95rem;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

main.home { max-width: 900px; }

.hero h1 {
  font-size: 2.25rem;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.lede {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 8px;
  max-width: 60ch;
}

.muted { color: var(--muted); font-size: 0.95rem; }

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin: 40px 0;
}

.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.app-card h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.app-card .platforms {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 14px;
}

.app-card .links {
  display: flex;
  gap: 12px;
  font-size: 0.95rem;
}

.contact {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.contact h2 { margin: 0 0 8px; font-size: 1.15rem; }

main.legal h1 {
  font-size: 2rem;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

main.legal h2 {
  font-size: 1.2rem;
  margin: 32px 0 8px;
}

main.legal p, main.legal ul { margin: 12px 0; }

main.legal ul { padding-left: 20px; }

.crumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 16px;
}

.notice {
  background: var(--notice-bg);
  border: 1px solid var(--notice-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 20px 0 28px;
  font-size: 0.95rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 20px 24px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 600px) {
  .hero h1 { font-size: 1.75rem; }
  main { padding: 24px 18px 48px; }
  .site-header { padding: 14px 18px; }
}