:root {
  --bg: #fdf8f0;
  --fg: #2b2a33;
  --muted: #6b6878;
  --accent: #ff7a59;
  --card: #ffffff;
  --border: #ece4d8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1b22;
    --fg: #f1eee8;
    --muted: #a7a3b3;
    --card: #26252e;
    --border: #35333f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
}

header, main, footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
}

.logo span { color: var(--accent); }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1rem;
}

nav a:hover { color: var(--accent); }

h1 { font-size: 2.2rem; line-height: 1.2; }

a { color: var(--accent); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  margin: 1rem 0;
}

.muted { color: var(--muted); }

footer {
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}