:root {
  color-scheme: light;
  --ink: #15201d;
  --muted: #52625c;
  --paper: #f6f2e8;
  --panel: #ffffff;
  --line: #d8d0c0;
  --accent: #234b43;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

.site-header,
.site-footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.site-header p,
.site-footer p {
  margin: 4px 0 0;
  color: var(--muted);
}

.content {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.hero,
.posts,
.content article,
.content > h1,
.content > h2,
.content > p,
.content > ul {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  margin: 18px 0;
}

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -0.035em;
}

h1 { font-size: clamp(2rem, 6vw, 4rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.3rem); margin-top: 2rem; }
h3 { font-size: 1.25rem; }

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

ul { padding-left: 1.2rem; }

@media (max-width: 640px) {
  .site-header,
  .site-footer,
  .content { padding: 18px; }
  .hero,
  .posts,
  .content article,
  .content > h1,
  .content > h2,
  .content > p,
  .content > ul { padding: 18px; }
}