:root {
  --bg: #fbfaf7;
  --fg: #23262b;
  --muted: #6b7079;
  --line: #e4e2dc;
  --card: #ffffff;
  --accent: #2f6f62;
  --accent-soft: #dcebe6;
  --measure: 70ch;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #e3e4e6;
    --muted: #9298a1;
    --line: #2a2e33;
    --card: #1c1f23;
    --accent: #7cc4b2;
    --accent-soft: #23362f;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-wrap: break-word;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1; padding-top: 2.5rem; padding-bottom: 3rem; }

.wrap {
  width: 100%;
  max-width: calc(var(--measure) + 2rem);
  margin: 0 auto;
  padding: 0 1rem;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: 2rem; margin: 0 0 1rem; }
h2 { font-size: 1.35rem; margin: 2.5rem 0 1rem; padding-bottom: .4rem; border-bottom: 1px solid var(--line); }
h3 { font-size: 1.1rem; margin: .2rem 0 .4rem; }

p { margin: 0 0 1rem; }
.lead { font-size: 1.125rem; color: var(--muted); }
.muted { color: var(--muted); }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: var(--fg);
  font-weight: 650;
  font-size: 1.1rem;
  text-decoration: none;
}
.logo-mark { color: var(--accent); flex: none; }
.site-nav { display: flex; gap: 1.25rem; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--fg); }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 1.5rem;
  align-items: center;
}
.hero h1 { font-size: 2.1rem; }
.hero-art { width: 100%; height: auto; }
.art-case { fill: var(--card); stroke: var(--line); stroke-width: 2; }
.art-slot { fill: var(--accent-soft); }
.art-led { fill: var(--accent); }
.art-led-dim { opacity: .4; }
.art-line { stroke: var(--muted); stroke-width: 2; stroke-linecap: round; opacity: .5; }

/* Notes */
.note-list, .plain-list { list-style: none; margin: 0; padding: 0; }
.note-item { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.note-item:last-child { border-bottom: 0; }
.note-item p { margin: 0; color: var(--muted); }
.note-item h3 a { color: var(--fg); text-decoration: none; }
.note-item h3 a:hover { color: var(--accent); }
time { font-size: .875rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.plain-list li { padding: .35rem 0; }

.note header { margin-bottom: 1.5rem; }
.note h1 { margin-top: .25rem; }
.back { font-size: .95rem; }
.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: .95rem;
}
.pager .next { margin-left: auto; text-align: right; }

/* Projects */
.cards { display: grid; gap: 1rem; margin-top: 1.5rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem 1.35rem .35rem;
}
.card h2 { margin: 0 0 .5rem; padding: 0; border: 0; font-size: 1.15rem; }

/* 404 */
.not-found { text-align: center; padding: 3rem 0; }
.not-found .code {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  margin-bottom: .5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
  padding: 1.5rem 0;
}

@media (max-width: 560px) {
  body { font-size: 1rem; }
  h1, .hero h1 { font-size: 1.6rem; }
  .hero { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  main { padding-top: 1.75rem; }
}