/* dynamicsystemsarchitecture.org — design tokens
   Register: lab notebook / audit ledger. Every claim gets a stamped record.
   Cold, precise, monospace-forward. Deliberately distinct from gregorylacefield.com.
*/

:root {
  --bg:        #14140F;
  --bg-2:      #1C1C15;
  --line:      #33322A;
  --text:      #E7E4D6;
  --text-dim:  #9B9686;
  --stamp:     #B8863B;   /* ledger-stamp amber — status / verified markers */
  --stamp-dim: #4A3D24;
  --ok:        #7FA37A;
  --warn:      #C97B4A;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a { color: var(--stamp); }
a:hover { color: var(--text); }

.wrap { max-width: 780px; margin: 0 auto; padding: 0 24px; }

header.site {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}
header.site .wrap { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; }
header.site .name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}
header.site .name .dot { color: var(--stamp); }
header.site nav a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.02em;
  margin-left: 18px;
  color: var(--text-dim);
  text-decoration: none;
}
header.site nav a:hover { color: var(--stamp); }

main { padding: 44px 0 90px; }

h1 {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 30px;
  line-height: 1.25;
  margin: 0 0 6px;
  color: var(--text);
}
h1 + .subhead {
  color: var(--text-dim);
  font-size: 15px;
  margin: 0 0 36px;
  max-width: 56ch;
}
h2 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 17px;
  margin: 44px 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--text);
}
p { max-width: 70ch; color: var(--text); }
code { font-family: 'JetBrains Mono', monospace; font-size: 0.9em; background: var(--bg-2); padding: 1px 5px; border-radius: 2px; }

/* THE METADATA BOX — the site's signature element.
   Every lab page carries one. This is the thing that makes the backlink
   chain self-documenting instead of relying on a maintained sitemap. */
.metadata-box {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  border: 1px solid var(--stamp-dim);
  background: var(--bg-2);
  padding: 16px 18px;
  margin: 0 0 40px;
}
.metadata-box .mb-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 10px;
  padding: 4px 0;
}
.metadata-box .mb-key {
  color: var(--stamp);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
}
.metadata-box .mb-val { color: var(--text-dim); }
.metadata-box .mb-val a { color: var(--text); }
.metadata-box .status-tag {
  display: inline-block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1px 6px;
  border: 1px solid currentColor;
}
.status-tag.verified { color: var(--ok); }
.status-tag.active-development { color: var(--stamp); }
.status-tag.exploratory { color: var(--warn); }
.status-tag.retired { color: var(--text-dim); }
.status-tag.pending { color: var(--warn); }
.status-tag.superseded { color: var(--text-dim); }

.card-grid { display: grid; gap: 10px; margin: 16px 0 0; }
.card {
  display: block;
  border: 1px solid var(--line);
  padding: 14px 16px;
  text-decoration: none;
  color: var(--text);
}
.card:hover { border-color: var(--stamp); }
.card .card-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--stamp);
  display: block;
  margin-bottom: 3px;
}
.card .card-title { font-weight: 600; display: block; }
.card .card-desc { font-size: 13px; color: var(--text-dim); margin-top: 3px; }

footer.site {
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 20px 0 60px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
}

/* Long-form proof documents */
main blockquote {
  margin: 18px 0;
  padding: 14px 18px;
  border-left: 2px solid var(--stamp-dim);
  background: var(--bg-2);
  color: var(--text);
}
main blockquote p { margin: 6px 0; }
main h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  margin: 32px 0 10px;
  color: var(--text);
}
main h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  margin: 24px 0 8px;
  color: var(--text-dim);
}
main em { color: var(--text); }
main .doc-titleblock { color: var(--text-dim); font-size: 14px; margin-bottom: 30px; }
main .doc-titleblock strong { color: var(--text); font-size: 17px; }

@media (max-width: 600px) {
  h1 { font-size: 24px; }
  .metadata-box .mb-row { grid-template-columns: 90px 1fr; }
}