/* Public site pages (home / privacy / terms). Plain static CSS — these pages
   are served by Express without the React app so they load for anyone, with
   no login and no JavaScript required (Google's OAuth verification crawls them). */
:root {
  --bg: #f7fafa;
  --card: #ffffff;
  --ink: #16252a;
  --muted: #53666c;
  --line: #dbe5e7;
  --accent: #0e7c86;
  --accent-ink: #ffffff;
  --accent-soft: #e6f3f4;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d171a;
    --card: #16252a;
    --ink: #e4eef0;
    --muted: #9db1b6;
    --line: #263a40;
    --accent: #4fb8c1;
    --accent-ink: #0d171a;
    --accent-soft: #1b3237;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

header.top { border-bottom: 1px solid var(--line); background: var(--card); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 10px; padding-bottom: 10px; }
.logo { display: inline-flex; align-items: center; border-radius: 10px; }
.logo img { height: 56px; width: auto; display: block; }
@media (prefers-color-scheme: dark) { .logo { background: #f7fafa; padding: 2px 10px; } }
header.top nav { display: flex; gap: 18px; font-size: 14px; }
header.top nav a { color: var(--muted); text-decoration: none; }
header.top nav a:hover { color: var(--ink); }

h1, h2, h3 { font-family: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif; line-height: 1.25; }
h1 { font-size: 40px; margin: 0 0 14px; letter-spacing: -0.01em; }
h2 { font-size: 24px; margin: 36px 0 10px; }
h3 { font-size: 18px; margin: 22px 0 6px; }

.btn {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  padding: 12px 22px; border-radius: 10px; font-weight: 600; text-decoration: none;
}
.btn:hover { filter: brightness(1.08); }

.hero { padding: 56px 0 28px; }
.hero p.lede { font-size: 19px; color: var(--muted); max-width: 680px; margin: 0 0 26px; }
.note { font-size: 13px; color: var(--muted); margin-top: 12px; }
.alert { background: #fdecec; color: #8a1f1f; border: 1px solid #f3c2c2; border-radius: 10px; padding: 10px 14px; margin: 0 0 18px; font-size: 14px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 18px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.panel { background: var(--accent-soft); border-radius: 12px; padding: 18px 20px; margin: 18px 0; }
.panel ul { margin: 6px 0 0; padding-left: 20px; }

main.doc { padding: 40px 0 20px; }
main.doc .updated { color: var(--muted); font-size: 14px; margin-top: -6px; }
main.doc ul { padding-left: 22px; }
main.doc li { margin: 4px 0; }

footer.bottom { border-top: 1px solid var(--line); margin-top: 48px; padding: 22px 0 36px; font-size: 14px; color: var(--muted); }
footer.bottom .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer.bottom nav { display: flex; gap: 18px; }

@media (max-width: 560px) {
  h1 { font-size: 30px; }
  .hero { padding-top: 36px; }
  .logo img { height: 44px; }
}