:root {
  --bg: #f8fafc;
  --fg: #09174c;
  --muted: #475569;
  --accent: #0429ff;
  --accent-fg: #ffffff;
  --card: #ffffff;
  --border: #e2e8f0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --fg: #e2e8f0;
    --muted: #94a3b8;
    --accent: #7b8cff;
    --accent-fg: #09174c;
    --card: #111827;
    --border: #1f2937;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

main { max-width: 960px; margin: 0 auto; padding: 0 16px; }

.site-header, .site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

.site-footer { color: var(--muted); font-size: 0.9rem; flex-wrap: wrap; gap: 8px 24px; }
.legal-links { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.legal-links a { color: var(--muted); }

.legal { max-width: 760px; padding: 32px 0 48px; line-height: 1.6; }
.legal h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin: 0 0 8px; }
.legal-meta { color: var(--muted); margin: 0 0 24px; }
.legal-body { overflow-wrap: anywhere; }
.legal-body table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.legal-body th, .legal-body td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
.legal-body a { color: var(--accent); }

.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { display: block; height: 44px; width: auto; }

.button, .ask button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  border: 0;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.hero { padding: 40px 0 24px; }
.hero h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); margin: 0 0 8px; }
.hero p { color: var(--muted); }

.ask { display: flex; gap: 8px; margin-top: 16px; }
.ask input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  font-size: 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
}

.shortcuts { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.shortcut {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  text-decoration: none;
  text-align: center;
}

.give { margin: 40px 0; padding: 20px; border-radius: 14px; background: var(--card); border: 1px solid var(--border); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}