/*
  Direction: dossier d'archives patrimoniales.
  Papier vieilli, encre, tampon d'enregistrement — pas un thème SaaS.
  Palette calée sur le sujet réel: chaux blanche, bleu colonial, rouge de tampon.
*/

:root {
  --color-paper: #f2ecdd;
  --color-paper-raised: #faf6ea;
  --color-ink: #24211a;
  --color-ink-soft: #4a4436;
  --color-muted: #948a72;
  --color-line: #cfc4a4;
  --color-blue: #2f4f63;
  --color-blue-soft: #6d8a9a;
  --color-stamp: #a3392b;

  --font-display: Georgia, "Iowan Old Style", "Hiragino Mincho ProN", serif;
  --font-body: Charter, "Iowan Old Style", Georgia, "Hiragino Mincho ProN", serif;
  --font-mono: ui-monospace, "SF Mono", "Courier New", monospace;

  --space-section: clamp(2.75rem, 2.2rem + 3vw, 5.5rem);
  --rule: 1px solid var(--color-line);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background-color: var(--color-paper);
  background-image:
    radial-gradient(rgba(36,33,26,0.05) 0.6px, transparent 0.6px);
  background-size: 3px 3px;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
}

a { color: var(--color-blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--color-stamp); }

/* ---------- header ---------- */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.5rem clamp(1.25rem, 5vw, 3.5rem) 1.1rem;
  border-bottom: 3px double var(--color-ink);
}
.brand {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-ink);
}
.brand span { color: var(--color-stamp); }
.site-header nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-left: 2rem;
}

main { max-width: 980px; margin: 0 auto; padding: 0 clamp(1.25rem, 5vw, 3.5rem); }

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 1.5rem;
  padding: var(--space-section) 0 2rem;
  border-bottom: var(--rule);
}
.hero .index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 1.6rem + 2.2vw, 3.6rem);
  line-height: 1.05;
  margin: 0 0 0.9rem;
}
.hero p {
  color: var(--color-ink-soft);
  max-width: 46ch;
  font-size: 1.05rem;
}

/* ---------- map ---------- */

.map-section { margin: var(--space-section) 0; }
.map-frame {
  border: var(--rule);
  padding: 0.5rem;
  background: var(--color-paper-raised);
  box-shadow: 4px 4px 0 var(--color-line);
}
.map-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 0.4rem 0.4rem 0.6rem;
}
#map, .single-map {
  height: 380px;
  filter: sepia(0.25) saturate(0.7) contrast(1.05) brightness(0.98);
}

/* ---------- archive index (list of buildings) ---------- */

.archive-index {
  margin: var(--space-section) 0;
  border-top: var(--rule);
}
.archive-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  gap: 1.25rem;
  align-items: baseline;
  padding: 1.1rem 0;
  border-bottom: var(--rule);
  color: var(--color-ink);
}
.archive-row:hover { background: var(--color-paper-raised); text-decoration: none; }
.archive-num { font-family: var(--font-mono); color: var(--color-muted); font-size: 0.85rem; }
.archive-name { display: flex; flex-direction: column; gap: 0.15rem; }
.archive-name .nom { font-family: var(--font-display); font-size: 1.25rem; }
.archive-name .original { font-family: var(--font-mono); font-size: 0.78rem; color: var(--color-blue-soft); letter-spacing: 0.04em; }
.archive-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.archive-tag.menace { color: var(--color-stamp); }
.archive-tag.protege { color: var(--color-blue); }

/* ---------- single dossier page ---------- */

.dossier { padding-top: var(--space-section); }

.dossier-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  border-bottom: var(--rule);
  padding-bottom: 1.75rem;
}
.dossier-head h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 1.5rem + 1.8vw, 2.9rem);
  margin: 0 0 0.2rem;
  line-height: 1.1;
}
.dossier-head .original {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-blue-soft);
  letter-spacing: 0.03em;
}

.stamp {
  border: 2px solid var(--color-stamp);
  color: var(--color-stamp);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  padding: 0.6rem 0.75rem;
  transform: rotate(4deg);
  white-space: nowrap;
  align-self: center;
}
.stamp.protege { border-color: var(--color-blue); color: var(--color-blue); transform: rotate(-3deg); }

.meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin: 1.75rem 0 2.25rem;
  padding-bottom: 1.75rem;
  border-bottom: var(--rule);
}
.meta dt { color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.72rem; }
.meta dd { margin: 0; }

.coords-note {
  font-family: var(--font-mono);
  color: var(--color-muted);
  font-size: 0.78rem;
  margin-top: 0.6rem;
}

.content h2 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-stamp);
  margin-top: 3rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-line);
}
.content p { max-width: 68ch; }
.content ul { padding-left: 1.2rem; max-width: 68ch; }
.content li { margin-bottom: 0.35rem; }
.content a { word-break: break-word; }

.licence {
  margin: var(--space-section) 0 2rem;
  font-family: var(--font-mono);
  color: var(--color-muted);
  font-size: 0.75rem;
  border-top: var(--rule);
  padding-top: 1.1rem;
}

.site-footer {
  text-align: center;
  font-family: var(--font-mono);
  color: var(--color-muted);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 2.5rem;
  border-top: var(--rule);
}

@media (max-width: 640px) {
  .hero { grid-template-columns: 1fr; }
  .hero .index { writing-mode: horizontal-tb; }
  .dossier-head { grid-template-columns: 1fr; }
  .stamp { justify-self: start; transform: rotate(2deg); }
  .archive-row { grid-template-columns: 2.5rem 1fr; }
  .archive-tag { grid-column: 1 / -1; justify-self: start; }
}