:root {
  --beige: #efe9d4;
  --beige-dark: #d8cfae;
  --ink: #25201a;
  --muted: #6e655a;
  --line: #c8bf9e;
  --paper: #faf6e8;
  --accent: #5a3a1e;
  --accent-light: #f1e4cf;
  --keycap: #d9d4be;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 16px/1.6 Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(120, 100, 60, 0.02) 0px,
      rgba(120, 100, 60, 0.02) 1px,
      transparent 1px,
      transparent 3px
    );
}
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.prose-wrap { max-width: 760px; }

a { color: var(--accent); }
a:hover { color: #2a1a0a; }
.muted { color: var(--muted); }
.back {
  display: inline-block; margin: 18px 0;
  font-family: "Courier New", monospace; font-size: 0.9rem;
  text-decoration: none; color: var(--muted);
}
.back:hover { color: var(--accent); }

/* ===== Header ===== */
.site-header {
  background: var(--ink);
  color: var(--beige);
  padding: 16px 0;
  border-bottom: 4px solid var(--beige-dark);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; }
.brand {
  color: var(--beige);
  text-decoration: none;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark { color: #c4b070; font-size: 1.2rem; }
.site-header nav a {
  color: var(--beige-dark);
  margin-left: 20px;
  text-decoration: none;
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
}
.site-header nav a:hover { color: #fff; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(180deg, var(--beige) 0%, var(--paper) 100%);
  padding: 56px 0 36px;
  border-bottom: 1px solid var(--line);
}
.hero h1 {
  font-family: "Courier New", monospace;
  font-size: 2.4rem;
  margin: 0 0 12px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.hero-tag {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--accent);
  margin: 0 0 12px;
}
.hero-blurb {
  max-width: 720px;
  color: var(--ink);
  font-size: 1.05rem;
  margin: 0;
}

/* ===== Era section on home ===== */
.era-section { margin: 48px 0; }
.era-head {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
  border-bottom: 1px solid var(--line); padding-bottom: 8px; margin-bottom: 8px;
}
.era-head h2 { margin: 0; font-family: "Courier New", monospace; font-size: 1.5rem; }
.era-head h2 a { color: var(--ink); text-decoration: none; }
.era-head h2 a:hover { color: var(--accent); }
.era-years {
  font-family: "Courier New", monospace; font-size: 0.95rem;
  color: var(--muted); letter-spacing: 0.05em;
}
.era-tag { color: var(--muted); font-style: italic; margin: 4px 0 18px; }
.era-tag.big { font-size: 1.15rem; }

/* ===== Machine grid (home) ===== */
.machine-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px;
}
.machine-card {
  display: block;
  background: var(--beige);
  border: 1px solid var(--line);
  border-radius: 4px;
  text-decoration: none;
  color: var(--ink);
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}
.machine-card:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(60, 40, 20, 0.12); }
.thumb {
  background: var(--paper);
  height: 150px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.thumb img { max-width: 100%; max-height: 100%; display: block; }
.thumb.wide { height: 160px; width: 240px; flex: 0 0 240px; border-right: 1px solid var(--line); border-bottom: none; }
.no-photo {
  font-family: "Courier New", monospace;
  color: var(--muted);
  padding: 18px;
  text-align: center;
  font-size: 0.9rem;
}
.card-body { padding: 12px 14px; }
.card-name { font-family: "Courier New", monospace; font-weight: 700; font-size: 1rem; }
.card-year { color: var(--muted); font-size: 0.85rem; margin-top: 2px; }

/* ===== Era page list ===== */
.era-header { padding: 36px 0 16px; }
.era-header h1 { margin: 4px 0 8px; font-family: "Courier New", monospace; font-size: 2.2rem; }
.era-intro { font-size: 1.05rem; max-width: 720px; margin: 0 0 28px; }
.machine-list { list-style: none; padding: 0; margin: 0; }
.machine-row {
  display: flex; align-items: stretch;
  background: var(--beige);
  border: 1px solid var(--line);
  border-radius: 4px;
  text-decoration: none;
  color: var(--ink);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.15s;
}
.machine-row:hover { box-shadow: 0 4px 14px rgba(60, 40, 20, 0.12); }
.row-body { padding: 16px 20px; flex: 1; }
.row-year { font-family: "Courier New", monospace; color: var(--muted); font-size: 0.85rem; letter-spacing: 0.05em; }
.row-body h3 { margin: 2px 0 4px; font-family: "Courier New", monospace; font-size: 1.2rem; }
.row-desc { margin: 8px 0 0; color: var(--ink); }
@media (max-width: 640px) {
  .machine-row { flex-direction: column; }
  .thumb.wide { width: 100%; flex: 0 0 auto; border-right: none; border-bottom: 1px solid var(--line); height: 180px; }
}

/* ===== Machine detail page ===== */
.machine { background: var(--beige); border: 1px solid var(--line); border-radius: 4px; padding: 28px 32px; margin: 18px 0 24px; }
.machine-header { margin-bottom: 18px; }
.machine-year { font-family: "Courier New", monospace; color: var(--muted); font-size: 0.95rem; letter-spacing: 0.06em; }
.machine-header h1 { margin: 4px 0 4px; font-family: "Courier New", monospace; font-size: 2rem; }
.machine-figure { margin: 0 0 24px; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.machine-figure img { display: block; max-width: 100%; height: auto; margin: 0 auto; }
.machine-figure figcaption { font-size: 0.82rem; color: var(--muted); padding: 8px 14px; border-top: 1px solid var(--line); background: var(--beige); }
.specs { background: var(--paper); border: 1px solid var(--line); padding: 16px 20px; border-radius: 4px; margin-bottom: 20px; }
.specs h2 { margin: 0 0 10px; font-family: "Courier New", monospace; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; }
.specs dl { display: grid; grid-template-columns: minmax(120px, 0.4fr) 1fr; gap: 6px 18px; margin: 0; }
.specs dt { font-family: "Courier New", monospace; color: var(--muted); font-size: 0.9rem; }
.specs dd { margin: 0; }
.prose h2 { font-family: "Courier New", monospace; font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.08em; margin: 24px 0 8px; }
.prose p { margin: 0 0 12px; font-size: 1.05rem; }

.prev-next { display: flex; justify-content: space-between; gap: 12px; margin: 16px 0 40px; font-family: "Courier New", monospace; }
.prev-next a { text-decoration: none; color: var(--accent); }
.prev-next a:hover { text-decoration: underline; }

/* ===== Footer ===== */
.site-footer {
  background: var(--ink); color: var(--beige-dark);
  padding: 24px 0; margin-top: 36px;
  font-family: "Courier New", monospace; font-size: 0.85rem;
}
.site-footer p { margin: 0 0 6px; }
.img-credits a { color: #d8cfae; }
.img-credits { max-width: 720px; }

/* ===== Prose pages (about, 404) ===== */
.prose-wrap h1 { font-family: "Courier New", monospace; margin: 8px 0 16px; }
.prose-wrap h2 { font-family: "Courier New", monospace; font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 28px; }

/* ===== Lab callout (link to the companion Lab) ===== */
.lab-callout {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  background: var(--ink); color: var(--beige);
  border-radius: 6px; padding: 18px 24px; margin: 32px 0 8px;
}
.lab-callout-text { max-width: 640px; }
.lab-callout strong { font-family: "Courier New", monospace; color: #c4b070; }
.lab-cta {
  flex: 0 0 auto;
  font-family: "Courier New", monospace; font-weight: 700;
  background: #c4b070; color: var(--ink);
  text-decoration: none; padding: 10px 18px; border-radius: 4px; white-space: nowrap;
}
.lab-cta:hover { background: #d8cfae; color: #2a1a0a; }