:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --ink: #1b1a17;
  --muted: #6b675e;
  --line: #dedad0;
  --accent: #c2410c;
  --accent-soft: #fbe9df;
  --cat: #2563eb;
  --dog: #c2410c;
  --ok: #15803d;
  --warn: #a16207;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141412;
    --surface: #1d1c19;
    --ink: #f1efe9;
    --muted: #a19d93;
    --line: #34322d;
    --accent: #f97316;
    --accent-soft: #3a2416;
    --cat: #60a5fa;
    --dog: #fb923c;
    --ok: #4ade80;
    --warn: #facc15;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
}
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 56px; gap: 12px;
}
.brand {
  font-weight: 700; letter-spacing: -0.01em; color: var(--ink); text-decoration: none;
  display: flex; align-items: baseline; gap: 8px;
}
.brand small { font: 500 12px var(--mono); color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }
.topbar nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.topbar nav a:hover { color: var(--ink); }
.eyebrow {
  font: 600 12px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
  margin: 0 0 8px;
}
h1 { font-size: clamp(30px, 6vw, 46px); line-height: 1.1; letter-spacing: -0.025em; margin: 0 0 12px; }
h2 { font-size: 22px; letter-spacing: -0.015em; margin: 0 0 10px; }
h3 { font-size: 16px; margin: 0 0 6px; }
.lead { font-size: 18px; color: var(--muted); max-width: 640px; margin: 0; }
.hero { padding: 48px 0 28px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.btn {
  appearance: none; border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  font: 600 15px var(--sans); padding: 11px 16px; border-radius: 10px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
  transition: border-color .15s, background .15s, transform .05s;
}
.btn:hover { border-color: var(--muted); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn.primary:hover { opacity: .9; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn svg { width: 18px; height: 18px; flex: none; }
footer { border-top: 1px solid var(--line); margin-top: 56px; padding: 22px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }