/* Pierre & Plume — site vitrine d'agence fictive.
   Layout : bandeau démo, en-tête sobre, recherche classique à formulaire, grille d'annonces, fiche détaillée.
   Teintes inspirées du zinc des toits de Paris, laiton pour les prix. */
:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --ink: #1c2430;
  --muted: #5b6676;
  --line: #dde1e7;
  --zinc: #3d5a78;      /* accent principal */
  --zinc-soft: #e3e9f0;
  --brass: #8a6a22;     /* prix */
  --demo-bg: #fff4d6;
  --demo-ink: #5c4400;
  --font-display: "Bodoni Moda", "Didot", "Times New Roman", serif;
  --font-body: "Figtree", "Segoe UI", system-ui, sans-serif;
  --radius: 10px;
  --maxula-police: var(--font-body);
  --maxula-titre: var(--font-display);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141922; --surface: #1c232e; --ink: #e8ecf1; --muted: #a2adbb; --line: #2e3846;
    --zinc: #8fb0d3; --zinc-soft: #233142; --brass: #d8b25e; --demo-bg: #3a2f10; --demo-ink: #f3dc9b;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141922; --surface: #1c232e; --ink: #e8ecf1; --muted: #a2adbb; --line: #2e3846;
  --zinc: #8fb0d3; --zinc-soft: #233142; --brass: #d8b25e; --demo-bg: #3a2f10; --demo-ink: #f3dc9b;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--font-body); }
a { color: var(--zinc); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--zinc); outline-offset: 2px;
}
img { max-width: 100%; display: block; }
.wrap { max-width: 1160px; margin: 0 auto; padding-inline: 20px; }

.demo-bar { background: var(--demo-bg); color: var(--demo-ink); font-size: 14px; text-align: center; padding: 8px 16px; }

header.site { background: var(--surface); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 16px; flex-wrap: wrap; }
.logo { font-family: var(--font-display); font-size: 28px; font-weight: 600; color: var(--ink); text-decoration: none; letter-spacing: .01em; }
.logo span { color: var(--zinc); font-style: italic; }
nav.main { display: flex; gap: 22px; flex-wrap: wrap; }
nav.main a { color: var(--ink); text-decoration: none; font-weight: 500; }
nav.main a:hover { color: var(--zinc); }

.intro { padding-block: 40px 8px; }
.intro h1 { font-family: var(--font-display); font-weight: 500; font-size: clamp(30px, 4.5vw, 46px); line-height: 1.12; margin: 0 0 8px; text-wrap: balance; }
.intro p { color: var(--muted); margin: 0; max-width: 60ch; }

/* Formulaire de recherche classique */
form.recherche { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-block: 24px; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); align-items: end; }
.champ { display: grid; gap: 4px; min-width: 0; }
.champ label, .eyebrow { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.champ select, .champ input { font: inherit; padding: 9px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); width: 100%; }
.bascule { display: flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.bascule button { flex: 1; font: inherit; font-weight: 600; padding: 9px; border: 0; background: var(--bg); color: var(--muted); cursor: pointer; }
.bascule button[aria-pressed="true"] { background: var(--zinc); color: var(--surface); }
.compte { color: var(--muted); margin: 0 0 14px; font-variant-numeric: tabular-nums; }

/* Grille d'annonces */
.grille { display: grid; gap: 22px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); padding-bottom: 48px; }
.carte { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: transform .15s ease, box-shadow .15s ease; }
.carte:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(20, 30, 45, .12); }
.carte img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; height: auto; }
.carte .corps { padding: 14px 16px 16px; display: grid; gap: 4px; }
.carte .lieu { font-size: 13px; color: var(--muted); }
.carte h3 { margin: 0; font-size: 17px; font-weight: 600; }
.prix { font-family: var(--font-display); color: var(--brass); font-size: 22px; font-weight: 600; font-variant-numeric: lining-nums tabular-nums; }
.prix small { font-family: var(--font-body); font-size: 13px; color: var(--muted); font-weight: 400; }
.puces { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.puce { font-size: 12px; background: var(--zinc-soft); color: var(--ink); padding: 2px 8px; border-radius: 999px; }
.vide { color: var(--muted); padding: 24px 0 60px; }

/* Fiche bien */
.fil { font-size: 14px; color: var(--muted); padding-block: 20px 0; }
.fiche-tete { display: flex; justify-content: space-between; gap: 16px; align-items: end; flex-wrap: wrap; padding-block: 8px 18px; }
.fiche-tete h1 { font-family: var(--font-display); font-weight: 500; font-size: clamp(26px, 3.6vw, 38px); margin: 0; line-height: 1.15; text-wrap: balance; }
.fiche-tete .prix { font-size: 32px; }
.galerie { display: grid; gap: 8px; grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; }
.galerie img { width: 100%; height: 100%; min-height: 0; object-fit: cover; border-radius: 8px; aspect-ratio: 3 / 2; }
.galerie img:first-child { grid-row: span 2; }
.fiche { display: grid; gap: 32px; grid-template-columns: minmax(0, 1fr) 340px; padding-block: 28px 56px; }
.fiche section { display: grid; gap: 12px; }
.fiche h2 { font-family: var(--font-display); font-weight: 500; font-size: 24px; margin: 0; }
.faits { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faits div { box-shadow: 0 0 0 .5px var(--line); padding: 10px 12px; display: grid; gap: 2px; }
.faits dt { font-size: 12px; color: var(--muted); }
.faits dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.texte { max-width: 65ch; margin: 0; }
.mentions { font-size: 14px; color: var(--muted); margin: 0; max-width: 65ch; }

.dpe { display: grid; gap: 3px; }
.dpe-ligne > span:nth-child(2) { min-width: 64px; white-space: nowrap; color: var(--muted); }
.dpe-ligne { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.dpe-barre { color: #1a1a1a; font-weight: 700; padding: 2px 8px; border-radius: 0 12px 12px 0; }
.dpe-ligne.actif .dpe-barre { outline: 2px solid var(--ink); outline-offset: 1px; }
.dpe-ligne .val { font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 600; }

aside.contact { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; align-self: start; position: sticky; top: calc(env(safe-area-inset-top, 0px) + 16px); display: grid; gap: 12px; }
aside.contact h2 { font-size: 21px; }
aside.contact form { display: grid; gap: 10px; }
aside.contact input, aside.contact textarea { font: inherit; padding: 9px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); width: 100%; }
.btn { font: inherit; font-weight: 600; background: var(--zinc); color: var(--surface); border: 0; border-radius: 6px; padding: 11px 14px; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.confirm { font-size: 14px; background: var(--demo-bg); color: var(--demo-ink); padding: 10px; border-radius: 6px; margin: 0; }

footer.site { border-top: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 14px; }
footer.site .wrap { padding-block: 24px; display: grid; gap: 6px; }

@media (max-width: 820px) {
  .fiche { grid-template-columns: minmax(0, 1fr); }
  aside.contact { position: static; }
  .galerie { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .galerie img:first-child { grid-column: span 2; grid-row: auto; }
}
@media (prefers-reduced-motion: reduce) { .carte { transition: none; } .carte:hover { transform: none; } }

/* Emplacements de l'assistant Maxula */
.assistant-accueil { margin-block: 26px 8px; }
.assistant-accueil:empty { display: none; }
.sous-titre { font-family: var(--font-display); font-weight: 500; font-size: 22px; margin: 28px 0 0; }
.zone-assistant { margin-block: 24px 56px; min-height: 200px; }
.contact-zone { align-self: start; position: sticky; top: calc(env(safe-area-inset-top, 0px) + 16px); display: grid; gap: 10px; }
.contact { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: grid; gap: 12px; }
.contact h2 { font-size: 21px; }
.contact form { display: grid; gap: 10px; }
.contact input, .contact textarea { font: inherit; padding: 9px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); width: 100%; }
nav.main { gap: 18px; }
@media (max-width: 820px) { .contact-zone { position: static; } }