/* ---------- Design tokens ---------- */

:root {
  --bg: #faf3ea;
  --bg2: #f0e2cf;
  --card: #ffffff;
  --text: #2a1f16;
  --sub: #7a6a54;
  --accent: #d2691e;
  --accent-text: #ffffff;
  --line: rgba(42, 31, 22, .12);
  --shadow: rgba(42, 31, 22, .08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #241b13;
    --bg2: #31261b;
    --card: #2c2118;
    --text: #f6ecdd;
    --sub: #c2ac8f;
    --accent: #e88a4a;
    --accent-text: #241b13;
    --line: rgba(246, 236, 221, .14);
    --shadow: rgba(0, 0, 0, .3);
  }
}

/* ---------- Base ---------- */

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
}

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

h1 {
  font-size: 42px;
  line-height: 1.1;
  margin: 0 0 6px;
}

.subtitle {
  font-size: 15px;
  color: var(--sub);
  margin: 0 0 32px;
}

/* ---------- Layout ---------- */

.site-nav, footer, main.wide { max-width: 900px; }
main.narrow { max-width: 720px; }

main {
  margin: 0 auto;
  padding: 24px 32px 100px;
}

/* ---------- Navigation ---------- */

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 48px;
  margin: 0 auto;
}

.site-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

.nav-links { display: flex; gap: 8px; }

.nav-links a {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  color: var(--sub);
  transition: background .15s, color .15s;
}

.nav-links a:hover { color: var(--text); }

.nav-links a.active {
  background: var(--accent);
  color: var(--accent-text);
}

/* ---------- Prose (markdown content) ---------- */

.prose {
  font-size: 16.5px;
  line-height: 1.75;
}

.prose h2 {
  font-size: 20px;
  margin: 32px 0 14px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.prose img { max-width: 100%; border-radius: 12px; }

.prose code {
  background: var(--bg2);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 14px;
}

.prose pre {
  background: var(--bg2);
  padding: 16px 20px;
  border-radius: 12px;
  overflow-x: auto;
}

.prose pre code { background: none; padding: 0; }

.prose blockquote {
  margin: 0;
  padding-left: 20px;
  border-left: 3px solid var(--accent);
  color: var(--sub);
}

/* ---------- Home ---------- */

.portrait,
.portrait-placeholder {
  width: 100%;
  height: 260px;
  border-radius: 20px;
  margin-bottom: 32px;
}

.portrait { object-fit: cover; }

.portrait-placeholder {
  background: repeating-linear-gradient(135deg, var(--bg2), var(--bg2) 10px, transparent 10px, transparent 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: monospace;
  font-size: 12px;
  color: var(--sub);
  letter-spacing: 0.5px;
}

/* ---------- Articles ---------- */

.post-date {
  display: block;
  font-size: 12px;
  color: var(--sub);
  font-family: monospace;
  margin-bottom: 8px;
}

.article-item {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.article-item h2 {
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 8px;
}

.article-item h2 a { color: var(--text); text-decoration: none; }
.article-item h2 a:hover { color: var(--accent); }

.article-item p {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--sub);
  margin: 0 0 8px;
}

.more {
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
}

/* ---------- Projects ---------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 8px var(--shadow);
}

.card-image {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
}

.card-placeholder {
  height: 150px;
  background: repeating-linear-gradient(135deg, var(--bg2), var(--bg2) 10px, transparent 10px, transparent 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: monospace;
  font-size: 11px;
  color: var(--sub);
}

.card-body { padding: 20px; }

.card-body h3 { font-size: 19px; margin: 0 0 8px; }

.card-body p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--sub);
  margin: 0 0 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.tag {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--bg2);
  color: var(--accent);
}

/* ---------- Footer ---------- */

footer {
  margin: 0 auto;
  padding: 32px 48px 48px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--sub);
}

.footer-links { display: flex; gap: 16px; }
.footer-links a { text-decoration: none; }

/* ---------- Mobile ---------- */

@media (max-width: 600px) {
  .site-nav { padding: 18px 20px; flex-direction: column; gap: 12px; }
  main { padding: 16px 20px 80px; }
  footer { padding: 24px 20px 40px; flex-direction: column; gap: 12px; }
  h1 { font-size: 32px; }
}