:root {
  --bg: #f6f4ef; --fg: #1c1b19; --muted: #6b6760; --accent: #e8743b; --line: #dedad2; --card: #fffdf9;
  --max: 64rem;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121211; --fg: #ece9e3; --muted: #9a958c; --accent: #f08a55; --line: #2a2926; --card: #1a1a18; }
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 1rem/1.6 var(--font); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-underline-offset: .2em; }
a:hover { color: var(--accent); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; justify-content: space-between; align-items: center; height: 4rem; }
.logo { font-weight: 650; text-decoration: none; letter-spacing: -.02em; }
.nav { display: flex; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a[aria-current="page"], .nav a:hover { color: var(--fg); }

main { padding: 4rem 0; }
h1 { font-size: clamp(2.2rem, 6vw, 3.5rem); line-height: 1.08; letter-spacing: -.03em; margin: 0 0 1rem; }
h2 { letter-spacing: -.02em; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 40rem; }

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); margin-top: 2rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 1.25rem; }

form { display: grid; gap: 1rem; max-width: 32rem; margin-top: 2rem; }
label { display: grid; gap: .35rem; font-size: .9rem; color: var(--muted); }
input, textarea { font: inherit; color: var(--fg); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: .7rem .8rem; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button { font: inherit; font-weight: 600; background: var(--fg); color: var(--bg); border: 0; border-radius: 8px; padding: .8rem 1.2rem; cursor: pointer; justify-self: start; }
button:hover { background: var(--accent); }

.site-footer { border-top: 1px solid var(--line); padding: 1.5rem 0; color: var(--muted); font-size: .875rem; }