/* Site-wide styles. Colours live in tokens so a brand palette can be swapped in later. */

:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --text: #1c1917;
  --muted: #57534e;
  --border: #e7e5e4;
  --accent: #c2410c;
  --accent-contrast: #ffffff;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --measure: 42rem;
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0a09;
    --surface: #1c1917;
    --text: #f5f5f4;
    --muted: #a8a29e;
    --border: #292524;
    --accent: #fb923c;
    --accent-contrast: #0c0a09;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.6 var(--font-sans);
}

a { color: var(--accent); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }

img { max-width: 100%; height: auto; }

code, pre { font-family: var(--font-mono); font-size: 0.9em; }
pre {
  overflow-x: auto;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header,
.site-footer { padding: 1.5rem 0; }

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

.brand { font-weight: 700; color: var(--text); text-decoration: none; }

.nav { display: flex; gap: 1rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

main { padding: 2rem 0 4rem; }

h1, h2, h3 { line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 2.75rem); margin: 0 0 1rem; }

.lede { font-size: 1.2rem; color: var(--muted); }

.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 1rem 0; border-top: 1px solid var(--border); }
.post-list time { display: block; color: var(--muted); font-size: 0.9rem; }

.button {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
  text-decoration: none;
}

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