:root {
  --ink: #1b1f23;
  --paper: #fdfcf9;
  --accent: #b5451b;
  --accent-dark: #7a2f12;
  --muted: #5a6169;
  --line: #e4e0d8;
  --max-width: 780px;
}

* { box-sizing: border-box; }

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  background: var(--ink);
  color: #fff;
  padding: 2.5rem 0 2rem;
}

.site-header h1 {
  margin: 0;
  font-size: 2.25rem;
  letter-spacing: 0.04em;
}

.site-header .tagline {
  margin: 0.25rem 0 0;
  color: #cfd3d8;
  font-size: 1.1rem;
}

.site-nav {
  background: var(--accent);
  position: sticky;
  top: 0;
}

.site-nav .wrap {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.site-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav a:hover {
  text-decoration: underline;
}

main {
  padding: 2.5rem 1.25rem 3rem;
}

section {
  margin-bottom: 2.75rem;
}

h2 {
  border-bottom: 2px solid var(--line);
  padding-bottom: 0.4rem;
  color: var(--accent-dark);
}

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

.log-list {
  list-style: none;
  padding: 0;
}

.log-list li {
  border-left: 3px solid var(--accent);
  padding: 0.25rem 0 0.25rem 1rem;
  margin-bottom: 1rem;
}

.log-date {
  font-weight: 700;
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.site-footer {
  background: var(--ink);
  color: #cfd3d8;
  padding: 1.5rem 0;
  font-size: 0.9rem;
}

@media (max-width: 480px) {
  .site-header h1 { font-size: 1.75rem; }
}