:root {
  --ink: #f1ece1;
  --ink-soft: #cfc8b8;
  --paper: #16181d;
  --panel: #20242c;
  --panel-deep: #101216;
  --accent: #e2a93b;
  --accent-deep: #b9811a;
  --accent-ink: #17130a;
  --rule: #394050;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
}

.site-header {
  background: var(--panel-deep);
  color: var(--ink);
  padding: 2.75rem 1.25rem 1.25rem;
  text-align: center;
  border-bottom: 4px solid var(--accent);
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.site-header h1 {
  margin: 0 0 0.5rem;
  font-size: 2.2rem;
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tagline {
  margin: 0 auto;
  max-width: 34rem;
  color: var(--ink-soft);
}

nav { margin-top: 1.75rem; }

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  display: inline-block;
}

nav a:hover,
nav a:focus {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 1rem;
  counter-reset: article;
}

section {
  margin-bottom: 2rem;
  padding: 1.5rem 1.25rem 0.75rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-left: 5px solid var(--accent);
  border-radius: 4px;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.25;
  margin: 0 0 0.9rem;
  font-weight: 900;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink);
}

main section h2::before {
  counter-increment: article;
  content: "Article " counter(article);
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
}

p {
  margin: 0 0 1.1rem;
  max-width: 36rem;
}

.intro p:first-of-type {
  font-size: 1.15rem;
  color: var(--ink-soft);
}

a { color: var(--accent); }
a:hover, a:focus { color: #ffd37a; }

.booklist {
  margin: 0 0 1.1rem;
  padding-left: 1.1rem;
  max-width: 36rem;
}

.booklist li {
  margin-bottom: 0.5rem;
  color: var(--ink-soft);
}

.booklist li::marker { color: var(--accent); }

.aside {
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--panel-deep);
  border-left: 4px solid var(--accent);
  padding: 0.85rem 1rem;
  border-radius: 0 4px 4px 0;
}

blockquote {
  margin: 1.5rem 0;
  padding: 1.1rem 1.25rem 0.6rem;
  background: var(--panel-deep);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--accent);
  border-radius: 4px;
}

blockquote p {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}

blockquote footer {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.code-list {
  margin: 0 0 1.25rem;
  padding: 0;
  max-width: 36rem;
  list-style: none;
}

.code-list li {
  margin-bottom: 0.6rem;
  padding: 0.7rem 1rem;
  background: var(--panel-deep);
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--ink-soft);
}

.code-list strong {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.65rem 1.2rem;
  border-radius: 3px;
}

.button:hover,
.button:focus {
  background: #ffd37a;
  color: var(--accent-ink);
}

.site-footer {
  border-top: 4px solid var(--accent);
  background: var(--panel-deep);
  color: var(--ink-soft);
  padding: 1.75rem 1.25rem 2rem;
  text-align: center;
}

.site-footer p {
  max-width: 44rem;
  margin: 0 auto;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (min-width: 40rem) {
  .site-header { padding: 3.5rem 2rem 1.5rem; }
  .site-header h1 { font-size: 3rem; }
  main { padding: 3rem 2rem 1.5rem; }
  section { padding: 1.75rem 1.75rem 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}