:root {
  --bg: #fafaf7;
  --ink: #1c1a17;
  --muted: #6b655c;
  --accent: #c2410c;
  --card: #ffffff;
  --border: #e7e2d9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
}

nav a {
  margin-left: 20px;
  color: var(--muted);
  text-decoration: none;
}

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

.hero {
  padding: 56px 0 32px;
}

.hero h1 {
  font-size: 2.2rem;
  line-height: 1.25;
  margin: 0 0 12px;
}

.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0;
}

h2 {
  font-size: 1.35rem;
  margin: 40px 0 16px;
}

.post-list {
  display: grid;
  gap: 16px;
  padding-bottom: 48px;
}

.post-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
}

.post-card h3 {
  margin: 6px 0 8px;
  font-size: 1.15rem;
}

.post-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.post-card h3 a:hover { color: var(--accent); }

.post-card p { margin: 0; color: var(--muted); }

.post-date {
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}

.article { padding: 40px 20px 56px; }

.article h1 {
  font-size: 2rem;
  line-height: 1.3;
  margin: 8px 0 20px;
}

.article h2 { margin-top: 32px; }

.article ul { padding-left: 22px; }

.article li { margin-bottom: 8px; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer p { margin: 0 0 8px; }

@media (max-width: 560px) {
  .hero h1 { font-size: 1.7rem; }
  .article h1 { font-size: 1.6rem; }
}