/* =========================================================
   SOLARIUS DECO — Feuille de style principale
   Palette : bleu nuit + doré. Mobile-first.
   ========================================================= */

:root {
  --nuit-900: #0a1222;
  --nuit-800: #0f1a2e;
  --nuit-700: #16243d;
  --nuit-600: #22345a;
  --or-500: #c9a24a;
  --or-400: #d8b766;
  --or-100: #f6eedb;
  --creme: #faf7f1;
  --blanc: #ffffff;
  --texte: #1c2333;
  --texte-doux: #5b6476;
  --bordure: #e6e1d6;
  --succes: #2f7d4f;
  --whatsapp: #1fa855;

  --font-titre: "DM Serif Display", Georgia, "Times New Roman", serif;
  --font-texte: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --rayon: 14px;
  --rayon-s: 8px;
  --ombre: 0 10px 30px rgba(10, 18, 34, .10);
  --ombre-forte: 0 18px 50px rgba(10, 18, 34, .22);
  --conteneur: 1180px;
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-texte);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--texte);
  background: var(--creme);
  padding-bottom: 64px; /* place pour la barre d'action mobile */
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--nuit-600); }
a:hover { color: var(--or-500); }
h1, h2, h3, h4 { font-family: var(--font-titre); font-weight: 400; line-height: 1.15; color: var(--nuit-800); margin: 0 0 .6em; }
h1 { font-size: clamp(2.1rem, 6vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 4.2vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2.6vw, 1.55rem); }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }
:focus-visible { outline: 3px solid var(--or-500); outline-offset: 2px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--or-500); color: var(--nuit-900); padding: 8px 14px; z-index: 200; border-radius: var(--rayon-s); }
.skip-link:focus { left: 8px; }

.conteneur { width: 100%; max-width: var(--conteneur); margin: 0 auto; padding: 0 16px; }
.section { padding: 64px 0; }
.section--blanc { background: var(--blanc); }
.section--nuit { background: var(--nuit-800); color: #d9deea; }
.section--nuit h2, .section--nuit h3 { color: var(--blanc); }
.surtitre { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--or-500); margin-bottom: .8em; }
.intro { max-width: 720px; font-size: 1.08rem; color: var(--texte-doux); }
.section--nuit .intro { color: #b8c0d3; }
.centre { text-align: center; }
.centre .intro { margin-left: auto; margin-right: auto; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .85em 1.4em; border-radius: 999px; border: 2px solid transparent;
  font-weight: 600; font-size: 1rem; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  line-height: 1.2; font-family: inherit;
}
.btn:hover { transform: translateY(-1px); }
.btn--or { background: var(--or-500); color: var(--nuit-900); box-shadow: 0 6px 18px rgba(201,162,74,.35); }
.btn--or:hover { background: var(--or-400); color: var(--nuit-900); }
.btn--contour { border-color: currentColor; color: var(--blanc); background: transparent; }
.btn--contour:hover { background: rgba(255,255,255,.1); color: var(--blanc); }
.btn--nuit { background: var(--nuit-800); color: var(--blanc); }
.btn--nuit:hover { background: var(--nuit-600); color: var(--blanc); }
.btn--whatsapp { background: var(--whatsapp); color: #fff; }
.btn--whatsapp:hover { background: #17924a; color: #fff; }
.btn svg { width: 1.15em; height: 1.15em; flex: none; }
.groupe-btn { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- En-tête ---------- */
.entete {
  position: sticky; top: 0; z-index: 100; height: var(--header-h);
  background: rgba(15, 26, 46, .97); backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid rgba(201,162,74,.25);
}
.entete .conteneur { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--blanc); }
.logo img { height: 40px; width: auto; }
.logo__texte { font-family: var(--font-titre); font-size: 1.35rem; letter-spacing: .02em; color: var(--blanc); }
.logo__texte span { color: var(--or-500); }
.nav { display: none; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.nav a { display: block; padding: 8px 12px; color: #d9deea; text-decoration: none; font-size: .95rem; font-weight: 500; border-radius: 999px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--or-400); }
.entete__actions { display: flex; align-items: center; gap: 10px; }
.entete__tel { display: none; color: var(--blanc); text-decoration: none; font-weight: 600; font-size: .95rem; }
.entete .btn { padding: .6em 1.1em; font-size: .92rem; }
.burger { background: none; border: 0; padding: 8px; cursor: pointer; color: var(--blanc); }
.burger svg { width: 28px; height: 28px; display: block; }

.menu-mobile {
  position: fixed; inset: var(--header-h) 0 0 0; background: var(--nuit-800); z-index: 99;
  padding: 24px 16px 100px; overflow-y: auto; transform: translateX(100%); transition: transform .25s ease; visibility: hidden;
}
.menu-mobile.ouvert { transform: none; visibility: visible; }
.menu-mobile ul { list-style: none; margin: 0 0 24px; padding: 0; }
.menu-mobile a { display: block; padding: 14px 4px; font-size: 1.15rem; color: var(--blanc); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.08); }
.menu-mobile a[aria-current="page"] { color: var(--or-400); }

@media (min-width: 1000px) {
  .nav { display: block; }
  .burger, .menu-mobile { display: none; }
  .entete__tel { display: inline-block; }
}

/* ---------- Barre d'action mobile (Devis toujours visible) ---------- */
.barre-mobile {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  display: grid; grid-template-columns: 1fr 1fr 1.4fr; background: var(--nuit-900);
  border-top: 1px solid rgba(201,162,74,.3); box-shadow: 0 -6px 20px rgba(0,0,0,.2);
}
.barre-mobile a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; padding: 9px 4px; min-height: 60px; color: var(--blanc); text-decoration: none; font-size: .78rem; font-weight: 600; }
.barre-mobile a svg { width: 22px; height: 22px; }
.barre-mobile .barre-mobile__devis { background: var(--or-500); color: var(--nuit-900); font-size: .9rem; }
@media (min-width: 1000px) {
  .barre-mobile { display: none; }
  body { padding-bottom: 0; }
}
/* Bouton devis flottant desktop */
.devis-flottant { display: none; }
@media (min-width: 1000px) {
  .devis-flottant { display: inline-flex; position: fixed; right: 24px; bottom: 24px; z-index: 90; box-shadow: var(--ombre-forte); }
}

/* ---------- Héros ---------- */
.heros { position: relative; color: var(--blanc); background: var(--nuit-800); overflow: hidden; }
.heros__image { position: absolute; inset: 0; }
.heros__image img { width: 100%; height: 100%; object-fit: cover; }
.heros::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10,18,34,.94) 0%, rgba(10,18,34,.78) 50%, rgba(10,18,34,.45) 100%); }
.heros .conteneur { position: relative; z-index: 1; padding-top: 72px; padding-bottom: 72px; }
.heros h1 { color: var(--blanc); max-width: 820px; }
.heros h1 em { font-style: normal; color: var(--or-400); }
.heros__texte { font-size: 1.12rem; max-width: 620px; color: #d9deea; margin-bottom: 1.6em; }
.heros--page .conteneur { padding-top: 56px; padding-bottom: 56px; }
.heros--page h1 { font-size: clamp(1.9rem, 5vw, 3rem); }
@media (min-width: 800px) { .heros .conteneur { padding-top: 120px; padding-bottom: 120px; } .heros--page .conteneur { padding-top: 88px; padding-bottom: 88px; } }

.badges { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 28px; padding: 0; list-style: none; font-size: .92rem; color: #d9deea; }
.badges li { display: flex; align-items: center; gap: 8px; }
.badges svg { width: 18px; height: 18px; color: var(--or-500); flex: none; }

/* ---------- Chiffres clés ---------- */
.chiffres { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--bordure); border-radius: var(--rayon); overflow: hidden; box-shadow: var(--ombre); margin-top: -40px; position: relative; z-index: 2; }
.chiffre { background: var(--blanc); padding: 22px 16px; text-align: center; }
.chiffre strong { display: block; font-family: var(--font-titre); font-size: clamp(1.8rem, 5vw, 2.5rem); color: var(--nuit-800); font-weight: 400; line-height: 1.1; }
.chiffre span { font-size: .88rem; color: var(--texte-doux); }
@media (min-width: 800px) { .chiffres { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Grilles & cartes ---------- */
.grille { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grille--2, .grille--3, .grille--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grille--3 { grid-template-columns: repeat(3, 1fr); } .grille--4 { grid-template-columns: repeat(4, 1fr); } }

.carte { background: var(--blanc); border-radius: var(--rayon); overflow: hidden; box-shadow: var(--ombre); display: flex; flex-direction: column; border: 1px solid var(--bordure); }
.carte__image { aspect-ratio: 4 / 3; overflow: hidden; background: var(--nuit-700); }
.carte__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.carte:hover .carte__image img { transform: scale(1.04); }
.carte__corps { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.carte__corps p { color: var(--texte-doux); font-size: .97rem; }
.carte__lien { margin-top: auto; font-weight: 600; text-decoration: none; color: var(--nuit-600); }
.carte__lien::after { content: " →"; color: var(--or-500); }

.atout { padding: 24px; border-radius: var(--rayon); background: var(--blanc); border: 1px solid var(--bordure); }
.section--nuit .atout { background: var(--nuit-700); border-color: rgba(201,162,74,.2); }
.atout__icone { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--or-100); color: var(--nuit-800); margin-bottom: 14px; }
.section--nuit .atout__icone { background: rgba(201,162,74,.15); color: var(--or-400); }
.atout__icone svg { width: 26px; height: 26px; }
.atout h3 { font-size: 1.2rem; }
.atout p { margin: 0; font-size: .96rem; color: var(--texte-doux); }
.section--nuit .atout p { color: #b8c0d3; }

/* ---------- Bloc image + texte ---------- */
.duo { display: grid; gap: 32px; align-items: center; }
.duo__image { border-radius: var(--rayon); overflow: hidden; box-shadow: var(--ombre); aspect-ratio: 4 / 3; background: var(--nuit-700); }
.duo__image img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 900px) { .duo { grid-template-columns: 1fr 1fr; gap: 56px; } .duo--inverse .duo__image { order: 2; } }

.liste-check { list-style: none; padding: 0; margin: 0 0 1.2em; }
.liste-check li { position: relative; padding-left: 30px; margin-bottom: .55em; }
.liste-check li::before { content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 50%; background: var(--or-500) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a1222' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 11px no-repeat; }

/* ---------- Services (page) ---------- */
.service { scroll-margin-top: calc(var(--header-h) + 16px); padding: 48px 0; border-bottom: 1px solid var(--bordure); }
.service:last-child { border-bottom: 0; }
.ancres { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 12px; scrollbar-width: thin; }
.ancres a { flex: none; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--bordure); background: var(--blanc); text-decoration: none; font-size: .9rem; color: var(--nuit-800); white-space: nowrap; }
.ancres a:hover { border-color: var(--or-500); }

/* ---------- Étapes méthode ---------- */
.etapes { counter-reset: etape; list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
@media (min-width: 800px) { .etapes { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .etapes--5 { grid-template-columns: repeat(5, 1fr); } }
.etapes li { counter-increment: etape; position: relative; padding: 22px 20px 20px; background: var(--blanc); border-radius: var(--rayon); border: 1px solid var(--bordure); }
.section--nuit .etapes li { background: var(--nuit-700); border-color: rgba(201,162,74,.2); }
.etapes li::before { content: counter(etape, decimal-leading-zero); font-family: var(--font-titre); font-size: 2rem; color: var(--or-500); display: block; line-height: 1; margin-bottom: 10px; }
.etapes h3 { font-size: 1.15rem; margin-bottom: .4em; }
.etapes p { margin: 0; font-size: .95rem; color: var(--texte-doux); }
.section--nuit .etapes p { color: #b8c0d3; }

/* ---------- Galerie réalisations ---------- */
.filtres { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filtre { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--bordure); background: var(--blanc); font: inherit; font-size: .92rem; cursor: pointer; color: var(--nuit-800); }
.filtre[aria-pressed="true"] { background: var(--nuit-800); color: var(--blanc); border-color: var(--nuit-800); }
.galerie { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.galerie figure { margin: 0; position: relative; border-radius: var(--rayon); overflow: hidden; background: var(--nuit-700); aspect-ratio: 4 / 3; box-shadow: var(--ombre); }
.galerie figure[hidden] { display: none; }
.galerie img { width: 100%; height: 100%; object-fit: cover; cursor: zoom-in; }
.galerie figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 14px 12px; color: #fff; font-size: .9rem; background: linear-gradient(transparent, rgba(10,18,34,.85)); }
.galerie figcaption strong { display: block; font-weight: 600; }

/* Emplacement vide (photo pas encore ajoutée) */
.photo-a-venir { position: absolute; inset: 0; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; padding: 16px; color: #b8c0d3; background: repeating-linear-gradient(135deg, var(--nuit-700) 0 18px, var(--nuit-800) 18px 36px); font-size: .88rem; }
.photo-a-venir svg { width: 34px; height: 34px; color: var(--or-500); }
.is-empty .photo-a-venir { display: flex; }
.is-empty img { visibility: hidden; }
.is-empty figcaption { display: none; }

/* Avant / après */
.avant-apres { position: relative; aspect-ratio: 4 / 3; border-radius: var(--rayon); overflow: hidden; box-shadow: var(--ombre); background: var(--nuit-700); user-select: none; --pos: 50%; }
.avant-apres img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.avant-apres .aa-avant { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.avant-apres .aa-trait { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 3px; background: var(--or-500); transform: translateX(-50%); pointer-events: none; }
.avant-apres .aa-trait::after { content: "⟷"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 40px; height: 40px; border-radius: 50%; background: var(--or-500); color: var(--nuit-900); display: grid; place-items: center; font-weight: 700; }
.avant-apres input[type="range"] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.aa-etiquette { position: absolute; top: 12px; padding: 4px 10px; border-radius: 999px; background: rgba(10,18,34,.75); color: #fff; font-size: .78rem; font-weight: 600; pointer-events: none; }
.aa-etiquette--avant { left: 12px; } .aa-etiquette--apres { right: 12px; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(10,18,34,.94); display: none; align-items: center; justify-content: center; padding: 16px; }
.lightbox.ouvert { display: flex; }
.lightbox img { max-height: 86vh; width: auto; border-radius: var(--rayon-s); }
.lightbox button { position: absolute; top: 14px; right: 14px; background: var(--or-500); border: 0; width: 44px; height: 44px; border-radius: 50%; font-size: 1.4rem; cursor: pointer; color: var(--nuit-900); }

/* ---------- Avis ---------- */
.avis { background: var(--blanc); border-radius: var(--rayon); padding: 24px; border: 1px solid var(--bordure); }
.avis__etoiles { color: var(--or-500); letter-spacing: 2px; margin-bottom: 8px; }
.avis footer { font-size: .9rem; color: var(--texte-doux); margin-top: 12px; }
.encart { border: 1px dashed var(--or-500); background: var(--or-100); border-radius: var(--rayon); padding: 24px; text-align: center; }

/* ---------- Bandeau CTA ---------- */
.cta { background: linear-gradient(120deg, var(--nuit-800), var(--nuit-600)); color: #d9deea; border-radius: var(--rayon); padding: 40px 24px; text-align: center; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(201,162,74,.28), transparent 70%); top: -120px; right: -80px; }
.cta h2 { color: var(--blanc); position: relative; }
.cta p { position: relative; max-width: 620px; margin-left: auto; margin-right: auto; }
.cta .groupe-btn { justify-content: center; position: relative; }

/* ---------- Formulaire ---------- */
.formulaire { background: var(--blanc); border-radius: var(--rayon); padding: 24px; box-shadow: var(--ombre); border: 1px solid var(--bordure); }
.champ { margin-bottom: 18px; }
.champ label, .champ legend { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 6px; color: var(--nuit-800); }
.champ .aide { font-size: .84rem; color: var(--texte-doux); margin-top: 4px; }
.champ input[type="text"], .champ input[type="email"], .champ input[type="tel"], .champ select, .champ textarea {
  width: 100%; padding: 12px 14px; border: 1px solid #cfd4de; border-radius: var(--rayon-s); font: inherit; font-size: 16px; background: #fff; color: var(--texte);
}
.champ textarea { min-height: 130px; resize: vertical; }
.champ input:focus, .champ select:focus, .champ textarea:focus { border-color: var(--or-500); outline: 2px solid rgba(201,162,74,.35); }
fieldset.champ { border: 0; padding: 0; margin: 0 0 18px; }
.choix { display: flex; flex-wrap: wrap; gap: 8px; }
.choix label { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border: 1px solid #cfd4de; border-radius: 999px; font-weight: 500; cursor: pointer; margin: 0; font-size: .92rem; }
.choix input { accent-color: var(--nuit-800); }
.choix label:has(input:checked) { border-color: var(--nuit-800); background: var(--nuit-800); color: #fff; }
.rangee { display: grid; gap: 0 16px; }
@media (min-width: 640px) { .rangee { grid-template-columns: 1fr 1fr; } }
.consentement { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--texte-doux); }
.consentement input { margin-top: 4px; accent-color: var(--nuit-800); width: 18px; height: 18px; flex: none; }
.form-statut { margin-top: 14px; padding: 12px 14px; border-radius: var(--rayon-s); display: none; }
.form-statut.ok { display: block; background: #e6f3eb; color: var(--succes); }
.form-statut.erreur { display: block; background: #fbeaea; color: #a33; }
.photos-encart { background: var(--creme); border-radius: var(--rayon-s); padding: 14px; font-size: .9rem; color: var(--texte-doux); }

.contact-infos { list-style: none; padding: 0; margin: 0 0 24px; }
.contact-infos li { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid var(--bordure); }
.contact-infos svg { width: 22px; height: 22px; color: var(--or-500); flex: none; margin-top: 3px; }
.contact-infos a { font-weight: 600; text-decoration: none; }
.carte-zone { border-radius: var(--rayon); overflow: hidden; border: 1px solid var(--bordure); aspect-ratio: 4 / 3; background: var(--nuit-700); }
.carte-zone iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- FAQ ---------- */
.faq details { background: var(--blanc); border: 1px solid var(--bordure); border-radius: var(--rayon-s); margin-bottom: 10px; }
.faq summary { padding: 16px 18px; font-weight: 600; cursor: pointer; list-style: none; position: relative; padding-right: 44px; color: var(--nuit-800); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--or-500); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 18px 16px; margin: 0; color: var(--texte-doux); }

/* ---------- Pages légales ---------- */
.legal { max-width: 820px; }
.legal h2 { font-size: 1.5rem; margin-top: 1.6em; }
.a-remplacer { background: #fff3c4; padding: 0 4px; border-radius: 3px; }

/* ---------- Pied de page ---------- */
.pied { background: var(--nuit-900); color: #a9b2c6; padding: 56px 0 24px; font-size: .94rem; }
.pied h2 { font-size: 1.1rem; color: var(--blanc); font-family: var(--font-texte); font-weight: 600; letter-spacing: .02em; }
.pied a { color: #d9deea; text-decoration: none; }
.pied a:hover { color: var(--or-400); }
.pied ul { list-style: none; padding: 0; margin: 0; }
.pied li { margin-bottom: 8px; }
.pied__grille { display: grid; gap: 32px; }
@media (min-width: 800px) { .pied__grille { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; } }
.pied__bas { border-top: 1px solid rgba(255,255,255,.08); margin-top: 40px; padding-top: 20px; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; font-size: .85rem; }

/* ---------- Animations douces ---------- */
.apparait { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.apparait.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .apparait { opacity: 1; transform: none; transition: none; }
  .btn, .carte__image img { transition: none; }
}
[data-emplacement] { position: relative; }

/* ---------- Photos de chantiers (format portrait) ---------- */
.galerie figure { aspect-ratio: 3 / 4; }
.duo__image { aspect-ratio: 1 / 1; }
@media (min-width: 900px) { .duo__image { aspect-ratio: 4 / 5; } }
.carte__image { aspect-ratio: 1 / 1; }