/* SIGNATURE BTP decoFaçade — feuille de style du site vitrine
   Charte : marque/charte.html. Bordeaux et ivoire portent l'ensemble, l'or reste un accent. */

/* Polices hébergées sur le site (licence SIL OFL) : pas d'appel à Google Fonts */
@font-face { font-family: "Cinzel"; src: url("polices/cinzel-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Cinzel"; src: url("polices/cinzel-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("polices/cormorant-garamond-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("polices/cormorant-garamond-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("polices/cormorant-garamond-latin-500-italic.woff2") format("woff2"); font-weight: 500; font-style: italic; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("polices/manrope-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("polices/manrope-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("polices/manrope-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("polices/manrope-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }

:root {
  --bordeaux: #4A1621;
  --bordeaux-profond: #33101A;
  --or: #C9A96E;
  --or-patine: #A5834A;
  --ivoire: #F6F1EA;
  --ivoire-fonce: #EFE7DB;
  --pierre: #E4D9C6;
  --encre: #2B1E1F;
  --taupe: #6E5F59;
  --blanc: #FFFFFF;

  --f-capitales: "Cinzel", "Trajan Pro", Georgia, serif;
  --f-titre: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --f-texte: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;

  --largeur: 1200px;
  --gouttiere: clamp(18px, 4vw, 40px);
  --hauteur-entete: 84px;
  --transition: .35s cubic-bezier(.2, .6, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--hauteur-entete) + 12px); }
body { margin: 0; background: var(--ivoire); color: var(--encre); font: 400 16px/1.7 var(--f-texte); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, dl, figure { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--or); outline-offset: 3px; }

.conteneur { width: 100%; max-width: var(--largeur); margin-inline: auto; padding-inline: var(--gouttiere); }
.evitement { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--bordeaux); color: var(--ivoire); padding: 10px 16px; }
.evitement:focus { left: 16px; top: 16px; }
.cache { position: absolute; left: -9999px; }
.a-completer { color: var(--taupe); font-style: italic; }

/* ---------- Typographie ---------- */
.surtitre { font: 600 12px/1.3 var(--f-capitales); letter-spacing: .22em; text-transform: uppercase; color: var(--or-patine); margin-bottom: 18px; display: flex; align-items: center; gap: 14px; }
.surtitre::before { content: ""; width: 36px; height: 1px; background: currentColor; }
.titre-section, .titre-page { font: 500 clamp(2rem, 4.4vw, 3.3rem)/1.08 var(--f-titre); color: var(--bordeaux); letter-spacing: -.005em; text-wrap: balance; }
.titre-page { font-size: clamp(2.5rem, 6vw, 4.4rem); }
.titre-section em, .titre-page em, .hero__titre em { font-style: italic; color: var(--or-patine); }

/* ---------- Boutons ---------- */
.bouton { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 28px; border: 1px solid transparent; font: 600 12px/1 var(--f-texte); letter-spacing: .16em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: background var(--transition), color var(--transition), border-color var(--transition); }
.bouton--or { background: var(--or); color: var(--bordeaux-profond); }
.bouton--or:hover { background: var(--ivoire); }
.bouton--clair { border-color: rgba(246, 241, 234, .55); color: var(--ivoire); }
.bouton--clair:hover { background: var(--ivoire); color: var(--bordeaux); }
.bouton--bordeaux { background: var(--bordeaux); color: var(--ivoire); }
.bouton--bordeaux:hover { background: var(--bordeaux-profond); }
.lien-fleche { display: inline-flex; gap: 12px; align-items: center; font: 600 12px/1 var(--f-texte); letter-spacing: .16em; text-transform: uppercase; color: var(--bordeaux); text-decoration: none; padding-block: 8px; border-bottom: 1px solid var(--or); }
.lien-fleche::after { content: "→"; transition: transform var(--transition); }
.lien-fleche:hover::after { transform: translateX(4px); }

/* ---------- En-tête ---------- */
.entete { position: fixed; inset: 0 0 auto; z-index: 50; padding-top: env(safe-area-inset-top, 0px); transition: background var(--transition), box-shadow var(--transition); }
.entete__barre { height: var(--hauteur-entete); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.entete__logo { display: grid; flex-shrink: 0; }
.entete__logo img { grid-area: 1 / 1; height: 50px; width: auto; transition: opacity var(--transition); }
.entete .logo-fonce { opacity: 0; }
.entete--pleine { background: rgba(246, 241, 234, .97); box-shadow: 0 1px 0 var(--pierre); backdrop-filter: blur(8px); }
.entete--pleine .logo-clair { opacity: 0; }
.entete--pleine .logo-fonce { opacity: 1; }
.nav { display: flex; align-items: center; gap: 34px; }
.nav a { color: var(--ivoire); text-decoration: none; font: 600 12px/1 var(--f-texte); letter-spacing: .16em; text-transform: uppercase; padding-block: 8px; border-bottom: 1px solid transparent; transition: color var(--transition), border-color var(--transition); }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--or); }
.nav .nav__devis { border: 1px solid var(--or); padding: 14px 20px; color: var(--or); background: rgba(51, 16, 26, .35); }
.nav .nav__devis:hover { background: var(--or); color: var(--bordeaux-profond); }
.entete--pleine .nav a { color: var(--bordeaux); }
.entete--pleine .nav .nav__devis { background: var(--bordeaux); border-color: var(--bordeaux); color: var(--ivoire); }
.nav-bouton { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; padding: 10px; }
.nav-bouton span { display: block; height: 1.5px; background: var(--ivoire); transition: transform var(--transition), background var(--transition); }
.nav-bouton span + span { margin-top: 8px; width: 70%; margin-left: auto; }
.entete--pleine .nav-bouton span, .menu-ouvert .nav-bouton span { background: var(--bordeaux); }

/* ---------- Accueil : hero ---------- */
.hero { position: relative; min-height: min(92vh, 860px); display: flex; align-items: flex-end; color: var(--ivoire); background: var(--bordeaux-profond); overflow: hidden; }
.hero__diaporama { position: absolute; inset: 0; }
.hero__photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 100%; opacity: 0; transition: opacity 1.6s ease; }
.hero__photo.actif { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .hero__photo.actif { animation: approche 9s ease-out both; }
  @keyframes approche { from { transform: scale(1.06); } to { transform: scale(1); } }
}
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(51, 16, 26, .55), transparent 28%), linear-gradient(100deg, rgba(51, 16, 26, .92) 0%, rgba(51, 16, 26, .72) 42%, rgba(51, 16, 26, .18) 75%), linear-gradient(0deg, rgba(51, 16, 26, .55), transparent 40%); }
.hero__contenu { position: relative; z-index: 1; padding-top: calc(var(--hauteur-entete) + 80px); padding-bottom: clamp(56px, 10vh, 110px); }
.hero .surtitre { color: var(--or); }
.hero__titre { font: 500 clamp(2.7rem, 6.4vw, 5.2rem)/1.02 var(--f-titre); max-width: 15ch; text-wrap: balance; margin-bottom: 26px; }
.hero__titre em { color: var(--or); }
.hero__texte { max-width: 52ch; font-size: 1.05rem; color: rgba(246, 241, 234, .86); margin-bottom: 36px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Engagements ---------- */
.engagements { background: var(--bordeaux); color: var(--ivoire); }
.engagements__liste { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.engagements__liste li { padding: 28px 24px; display: grid; gap: 4px; border-left: 1px solid rgba(201, 169, 110, .28); }
.engagements__liste li:first-child { border-left: 0; padding-left: 0; }
.engagements strong { font: 600 13px/1.3 var(--f-capitales); letter-spacing: .12em; text-transform: uppercase; color: var(--or); }
.engagements span { font-size: 14px; color: rgba(246, 241, 234, .78); }

/* ---------- Sections ---------- */
.section { padding-block: clamp(72px, 11vw, 140px); }
.section--serree { padding-block: clamp(48px, 7vw, 88px); }
.section--ivoire { background: var(--ivoire-fonce); }
.section--bordeaux { background: var(--bordeaux); color: var(--ivoire); }
.section--bordeaux .titre-section { color: var(--ivoire); }
.section--bordeaux .titre-section em, .section--bordeaux .surtitre { color: var(--or); }
.section__entete { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.section__entete--ligne { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }

/* Prestations */
.prestations { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--pierre); }
.prestation { padding: 34px 28px 38px 0; border-bottom: 1px solid var(--pierre); display: grid; gap: 12px; align-content: start; }
.prestation:not(:nth-child(3n + 1)) { padding-left: 28px; border-left: 1px solid var(--pierre); }
.prestation h3 { font: 600 15px/1.35 var(--f-capitales); letter-spacing: .06em; color: var(--bordeaux); }
.prestation h3::before { content: ""; display: block; width: 22px; height: 1px; background: var(--or); margin-bottom: 18px; }
.prestation p { font-size: 15px; color: var(--taupe); }

/* Savoir-faire */
.savoir-faire { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); background: var(--bordeaux-profond); color: var(--ivoire); }
.savoir-faire__photo { min-height: 520px; position: relative; }
.savoir-faire__photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.savoir-faire__texte { padding: clamp(56px, 8vw, 120px) clamp(24px, 6vw, 96px); display: grid; gap: 22px; align-content: center; max-width: 680px; }
.savoir-faire .titre-section { color: var(--ivoire); }
.savoir-faire .titre-section em, .savoir-faire .surtitre { color: var(--or); }
.savoir-faire p { color: rgba(246, 241, 234, .84); }
.savoir-faire .lien-fleche { color: var(--ivoire); justify-self: start; }

/* Réalisations d'exception : mosaïque éditoriale */
.exception { padding-top: clamp(64px, 9vw, 120px); }
.exception__mosaique { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: clamp(150px, 17vw, 240px); gap: clamp(10px, 1.4vw, 18px); }
.exception__tuile { position: relative; overflow: hidden; padding: 0; border: 0; background: var(--pierre); cursor: zoom-in; text-align: left; color: var(--ivoire); }
.exception__tuile img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 100%; transition: transform 1.4s cubic-bezier(.2, .6, .2, 1); }
.exception__tuile:hover img, .exception__tuile:focus-visible img { transform: scale(1.04); }
.exception__tuile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(40, 12, 20, .88) 0%, rgba(40, 12, 20, .45) 26%, rgba(40, 12, 20, 0) 48%); }
.exception__legende { position: absolute; z-index: 1; top: 0; left: 0; right: 0; padding: clamp(14px, 2vw, 24px); display: grid; gap: 6px; font: 500 clamp(1.15rem, 1.8vw, 1.6rem)/1.15 var(--f-titre); text-shadow: 0 1px 12px rgba(0, 0, 0, .45); }
.exception__categorie { font: 600 10px/1 var(--f-capitales); letter-spacing: .22em; text-transform: uppercase; color: var(--or); }
.exception__tuile--1 { grid-column: 1 / 8; grid-row: span 2; }
.exception__tuile--2 { grid-column: 8 / 13; grid-row: span 2; }
.exception__tuile--3 { grid-column: 1 / 6; grid-row: span 1; }
.exception__tuile--4 { grid-column: 6 / 13; grid-row: span 1; }
.exception__tuile--5 { grid-column: 1 / 5; }
.exception__tuile--6 { grid-column: 5 / 9; }
.exception__tuile--7 { grid-column: 9 / 13; }
.pastille-selection { display: inline-block; margin-right: 10px; padding: 4px 7px; background: var(--bordeaux); color: var(--or); font: 600 9px/1 var(--f-capitales); letter-spacing: .18em; vertical-align: 1px; }

/* Vidéo de présentation */
.video-section__grille { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: clamp(40px, 8vw, 120px); align-items: center; }
.video-section__texte { display: grid; gap: 22px; align-content: center; }
.video-section__texte > p { color: var(--taupe); max-width: 48ch; }
.video-section__texte .lien-fleche { justify-self: start; }
.video-section__cadre { position: relative; padding: 14px; background: var(--bordeaux); box-shadow: 0 40px 80px -40px rgba(51, 16, 26, .55); }
.video-section__cadre::before { content: ""; position: absolute; inset: 6px; border: 1px solid rgba(201, 169, 110, .55); pointer-events: none; }
.video-section__video { display: block; width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; background: var(--bordeaux-profond); }

/* Galerie d'accueil */
.galerie.galerie--accueil { columns: auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.carte-realisation { position: relative; display: block; aspect-ratio: 4 / 5; overflow: hidden; background: var(--pierre); text-decoration: none; color: var(--ivoire); }
.carte-realisation img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 100%; transition: transform 1.2s cubic-bezier(.2, .6, .2, 1); }
.carte-realisation:hover img { transform: scale(1.04); }
.carte-realisation::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(51, 16, 26, .82), transparent 55%); }
.carte-realisation__texte { position: absolute; inset: auto 0 0; z-index: 1; padding: 24px; display: grid; gap: 6px; }
.carte-realisation__categorie { font: 600 11px/1 var(--f-capitales); letter-spacing: .2em; text-transform: uppercase; color: var(--or); }
.carte-realisation__titre { font: 500 1.6rem/1.15 var(--f-titre); }

/* Arguments */
.arguments { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(32px, 4vw, 56px) clamp(24px, 4vw, 64px); }
.argument { display: grid; gap: 10px; align-content: start; padding-top: 22px; border-top: 1px solid var(--or); }
.argument h3 { font: 500 1.65rem/1.15 var(--f-titre); color: var(--bordeaux); }
.argument p { color: var(--taupe); font-size: 15px; }

/* Sur le terrain */
.terrain { padding-block: clamp(64px, 9vw, 120px); background: var(--ivoire-fonce); }
.terrain__grille { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: clamp(14px, 2vw, 28px); }
.terrain__photo { display: grid; gap: 12px; }
.terrain__photo img { width: 100%; height: auto; display: block; background: var(--pierre); }
.terrain__photo figcaption { font: italic 500 1.25rem/1.2 var(--f-titre); color: var(--bordeaux); }

/* Garantie */
.garantie { background: var(--bordeaux-profond); color: var(--ivoire); padding-block: clamp(64px, 9vw, 120px); }
.garantie__grille { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(36px, 7vw, 100px); align-items: center; }
.garantie__sceau { width: clamp(170px, 20vw, 240px); aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--or); outline: 1px solid rgba(201, 169, 110, .4); outline-offset: 10px; display: grid; place-content: center; text-align: center; }
.garantie__chiffre { font: 500 clamp(4.5rem, 9vw, 6.5rem)/.9 var(--f-titre); font-variant-numeric: lining-nums; font-feature-settings: "lnum" 1; color: var(--or); }
.garantie__unite { font: 600 13px/1 var(--f-capitales); letter-spacing: .3em; text-transform: uppercase; color: var(--ivoire); margin-top: 8px; }
.garantie__texte { display: grid; gap: 18px; max-width: 640px; }
.garantie .titre-section { color: var(--ivoire); }
.garantie .titre-section em, .garantie .surtitre { color: var(--or); }
.garantie__texte > p { color: rgba(246, 241, 234, .84); }
.garanties-legales { border-top: 1px solid rgba(201, 169, 110, .35); padding-top: 20px; display: grid; gap: 14px; }
.garanties-legales__titre { font: 600 11px/1.3 var(--f-capitales); letter-spacing: .18em; text-transform: uppercase; color: var(--or); }
.garanties-legales ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.garanties-legales li { display: grid; gap: 2px; }
.garanties-legales strong { font-weight: 600; color: var(--ivoire); font-size: 15px; }
.garanties-legales span { color: rgba(246, 241, 234, .72); font-size: 14px; }
.garantie .bouton { justify-self: start; }

/* Étapes */
.etapes { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; counter-reset: etape; }
.etapes li { padding: 0 24px 0 0; display: grid; gap: 12px; align-content: start; position: relative; }
.etapes li + li { padding-left: 24px; border-left: 1px solid rgba(201, 169, 110, .3); }
.etapes__num { font: 500 3.2rem/1 var(--f-titre); color: var(--or); }
.etapes h3 { font: 600 14px/1.35 var(--f-capitales); letter-spacing: .08em; text-transform: uppercase; }
.etapes p { font-size: 14.5px; color: rgba(246, 241, 234, .78); }

/* Devis */
.devis { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 7vw, 110px); align-items: start; }
.devis__intro { display: grid; gap: 22px; position: sticky; top: calc(var(--hauteur-entete) + 32px); }
.devis__intro > p { color: var(--taupe); }
.devis__coord { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px 24px; padding-top: 22px; border-top: 1px solid var(--pierre); }
.devis__coord dt { font: 600 11px/1.9 var(--f-capitales); letter-spacing: .18em; text-transform: uppercase; color: var(--or-patine); }
.devis__coord dd { margin: 0; }
.formulaire { background: var(--blanc); padding: clamp(24px, 4vw, 48px); display: grid; gap: 20px; box-shadow: 0 30px 60px -40px rgba(51, 16, 26, .35); border-top: 3px solid var(--bordeaux); }
.formulaire__deux { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
.champ { display: grid; gap: 8px; min-width: 0; }
.champ label, .champ legend { font: 600 11px/1.3 var(--f-texte); letter-spacing: .14em; text-transform: uppercase; color: var(--bordeaux); }
.champ legend { margin-bottom: 8px; padding: 0; }
.facultatif { text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--taupe); }
.champ input:not([type="file"]), .champ select, .champ textarea { width: 100%; border: 0; border-bottom: 1px solid var(--pierre); background: transparent; padding: 10px 0; font-size: 16px; border-radius: 0; transition: border-color var(--transition); }
.champ select { appearance: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23A5834A' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 4px center; padding-right: 24px; }
.champ input:focus, .champ select:focus, .champ textarea:focus { outline: none; border-bottom-color: var(--or-patine); }
.champ textarea { resize: vertical; }
.champ--photos { border: 1px dashed var(--pierre); padding: 18px; margin: 0; display: grid; gap: 10px; }
.champ--photos input { font-size: 14px; max-width: 100%; color: var(--taupe); }
.champ--photos input::file-selector-button { margin-right: 14px; border: 1px solid var(--or-patine); background: var(--ivoire); color: var(--bordeaux); padding: 9px 14px; font: 600 11px/1 var(--f-texte); letter-spacing: .12em; text-transform: uppercase; cursor: pointer; }
.champ__erreur { color: #9B2C2C; font-size: 14px; }
.consentement { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--taupe); }
.consentement input { margin-top: 5px; accent-color: var(--bordeaux); width: 18px; height: 18px; flex-shrink: 0; }
.formulaire .bouton { justify-self: start; min-width: 240px; }
.formulaire__note { font-size: 13px; color: var(--taupe); }

/* ---------- Pages intérieures ---------- */
.bandeau { background: var(--bordeaux); color: var(--ivoire); padding-top: calc(var(--hauteur-entete) + clamp(56px, 9vw, 110px)); padding-bottom: clamp(48px, 7vw, 90px); }
.bandeau .titre-page { color: var(--ivoire); }
.bandeau .titre-page em, .bandeau .surtitre { color: var(--or); }
.bandeau__texte { max-width: 56ch; margin-top: 20px; color: rgba(246, 241, 234, .82); }
.bandeau--plein { min-height: 78vh; display: flex; align-items: center; }
.bandeau--plein .bouton { margin-top: 32px; }

.filtres { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filtre { border: 1px solid var(--pierre); background: transparent; padding: 11px 18px; font: 600 11px/1 var(--f-texte); letter-spacing: .14em; text-transform: uppercase; cursor: pointer; color: var(--bordeaux); transition: background var(--transition), color var(--transition), border-color var(--transition); }
.filtre:hover { border-color: var(--or-patine); }
.filtre[aria-pressed="true"] { background: var(--bordeaux); border-color: var(--bordeaux); color: var(--ivoire); }

.galerie { columns: 3; column-gap: clamp(18px, 3vw, 36px); }
.realisation { display: grid; gap: 14px; align-content: start; break-inside: avoid; margin-bottom: clamp(28px, 4vw, 48px); scroll-margin-top: calc(var(--hauteur-entete) + 20px); }
.realisation[hidden] { display: none; }
.realisation__photo { display: block; padding: 0; border: 0; background: var(--pierre); cursor: zoom-in; overflow: hidden; width: 100%; }
.realisation__photo img { width: 100%; height: auto; transition: transform 1.2s cubic-bezier(.2, .6, .2, 1); }
.realisation__photo:hover img { transform: scale(1.03); }
.realisation__texte { display: grid; gap: 6px; }
.realisation__categorie { font: 600 11px/1 var(--f-capitales); letter-spacing: .2em; text-transform: uppercase; color: var(--or-patine); }
.realisation__titre { font: 500 1.75rem/1.15 var(--f-titre); color: var(--bordeaux); }
.realisation__texte p:last-child { color: var(--taupe); font-size: 15px; }
.galerie__vide { color: var(--taupe); }

/* Avant / après */
.avant-apres { position: relative; overflow: hidden; background: var(--pierre); user-select: none; }
.avant-apres img { width: 100%; height: 100%; object-fit: cover; }
.avant-apres > img { position: absolute; inset: 0; }
.avant-apres__avant { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--position)) 0 0); }
.avant-apres::after { content: ""; position: absolute; top: 0; bottom: 0; left: var(--position); width: 2px; margin-left: -1px; background: var(--ivoire); box-shadow: 0 0 12px rgba(0, 0, 0, .35); pointer-events: none; }
.avant-apres__curseur { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.avant-apres__etiquette { position: absolute; top: 14px; z-index: 1; background: rgba(51, 16, 26, .82); color: var(--ivoire); font: 600 10px/1 var(--f-texte); letter-spacing: .2em; text-transform: uppercase; padding: 8px 10px; pointer-events: none; }
.avant-apres__etiquette--avant { left: 14px; }
.avant-apres__etiquette--apres { right: 14px; }

/* Visionneuse plein écran */
.visionneuse { width: 100vw; height: 100vh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: rgba(28, 9, 14, .97); color: var(--ivoire); }
.visionneuse::backdrop { background: rgba(28, 9, 14, .97); }
.visionneuse__cadre { position: absolute; inset: 64px 16px 56px; display: grid; place-items: center; overflow: auto; }
.visionneuse__cadre img { max-width: 100%; max-height: calc(100vh - 150px); object-fit: contain; cursor: zoom-in; transition: transform .3s; }
.visionneuse--zoom .visionneuse__cadre { place-items: start; }
.visionneuse--zoom .visionneuse__cadre img { max-width: none; max-height: none; cursor: zoom-out; }
.visionneuse figcaption { position: fixed; left: 0; right: 0; bottom: 18px; text-align: center; font: 500 1.2rem/1.2 var(--f-titre); font-style: italic; color: var(--or); }
.visionneuse__fermer { position: fixed; top: calc(14px + env(safe-area-inset-top, 0px)); right: 16px; background: none; border: 1px solid rgba(201, 169, 110, .5); color: var(--ivoire); padding: 10px 16px; font: 600 11px/1 var(--f-texte); letter-spacing: .16em; text-transform: uppercase; cursor: pointer; }
.visionneuse__bouton { position: fixed; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border: 1px solid rgba(201, 169, 110, .5); background: rgba(28, 9, 14, .6); color: var(--or); font-size: 28px; line-height: 1; cursor: pointer; }
.visionneuse__precedent { left: 12px; }
.visionneuse__suivant { right: 12px; }
.visionneuse__bouton[hidden] { display: none; }

.appel__contenu { display: flex; justify-content: space-between; align-items: center; gap: 28px; flex-wrap: wrap; }

.texte-legal { max-width: 760px; display: grid; gap: 18px; }
.texte-legal h2 { font: 600 15px/1.3 var(--f-capitales); letter-spacing: .1em; text-transform: uppercase; color: var(--bordeaux); margin-top: 22px; }
.texte-legal dl { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); gap: 10px 20px; }
.texte-legal dt { color: var(--taupe); }
.texte-legal dd { margin: 0; }
.texte-legal p { color: var(--taupe); }

/* ---------- Pied de page ---------- */
.pied { background: var(--bordeaux-profond); color: rgba(246, 241, 234, .8); padding-top: clamp(56px, 8vw, 96px); font-size: 15px; }
.pied__grille { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); gap: 40px; padding-bottom: 56px; }
.pied__marque { display: grid; gap: 22px; justify-items: start; }
.pied__marque img { width: 220px; }
.pied__slogan { font: italic 500 1.35rem/1.3 var(--f-titre); color: var(--or); max-width: 24ch; }
.pied__titre { font: 600 12px/1 var(--f-capitales); letter-spacing: .2em; text-transform: uppercase; color: var(--or); margin-bottom: 18px; }
.pied__liste { list-style: none; padding: 0; display: grid; gap: 10px; }
.pied__liste a { text-decoration: none; }
.pied__liste a:hover { color: var(--or); }
.pied .a-completer { color: rgba(246, 241, 234, .55); }
.pied__bas { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 22px; border-top: 1px solid rgba(201, 169, 110, .22); font-size: 13px; color: rgba(246, 241, 234, .55); }

.pied__mention { font-size: 11px; color: rgba(246, 241, 234, .45); padding-bottom: 18px; }
.barre-mobile { display: none; }

/* ---------- Apparition discrète ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .apparition { opacity: 0; transform: translateY(18px); transition: opacity .9s ease, transform .9s cubic-bezier(.2, .6, .2, 1); }
  .js .apparition.visible { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0s !important; }
}

/* ---------- Tablette ---------- */
@media (max-width: 1080px) {
  .prestations { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prestation:not(:nth-child(3n + 1)) { padding-left: 0; border-left: 0; }
  .prestation:nth-child(2n) { padding-left: 28px; border-left: 1px solid var(--pierre); }
  .etapes { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 40px; }
  .etapes li:nth-child(4) { padding-left: 0; border-left: 0; }
  .engagements__liste { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .engagements__liste li:nth-child(3) { border-left: 0; padding-left: 0; }
  .engagements__liste li:nth-child(n + 3) { border-top: 1px solid rgba(201, 169, 110, .28); }
}

/* ---------- Menu mobile ---------- */
@media (max-width: 900px) {
  :root { --hauteur-entete: 70px; }
  .entete__logo img { height: 44px; }
  .nav-bouton { display: block; position: relative; z-index: 2; }
  .nav { position: fixed; inset: 0; flex-direction: column; justify-content: center; gap: 28px; background: var(--ivoire); opacity: 0; visibility: hidden; transition: opacity var(--transition), visibility var(--transition); }
  .nav a { color: var(--bordeaux); font-size: 14px; }
  .nav .nav__devis { background: var(--bordeaux); color: var(--ivoire); border-color: var(--bordeaux); }
  .menu-ouvert .nav { opacity: 1; visibility: visible; }
  .menu-ouvert .logo-clair { opacity: 0; }
  .menu-ouvert .logo-fonce { opacity: 1; position: relative; z-index: 2; }
  .menu-ouvert .nav-bouton span:first-child { transform: translateY(4.75px) rotate(45deg); }
  .menu-ouvert .nav-bouton span + span { width: 100%; transform: translateY(-4.75px) rotate(-45deg); }
  .savoir-faire { grid-template-columns: minmax(0, 1fr); }
  .savoir-faire__photo { min-height: 0; aspect-ratio: 4 / 3; }
  .galerie.galerie--accueil { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .galerie { columns: 2; }
  .devis { grid-template-columns: minmax(0, 1fr); }
  .video-section__grille { grid-template-columns: minmax(0, 1fr); }
  .terrain__grille { grid-template-columns: minmax(0, 1fr); }
  .exception__mosaique { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-auto-rows: 46vw; }
  .exception__tuile--1, .exception__tuile--2 { grid-column: 1 / -1; grid-row: span 1; }
  .exception__tuile--1 { grid-row: span 2; }
  .exception__tuile--3, .exception__tuile--4, .exception__tuile--5, .exception__tuile--6, .exception__tuile--7 { grid-column: auto; }
  .exception__tuile--7 { grid-column: 1 / -1; }
  .video-section__cadre { max-width: 380px; width: 100%; margin-inline: auto; }
  .devis__intro { position: static; }
  .pied__grille { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .pied__marque { grid-column: 1 / -1; }
}

/* ---------- Téléphone ---------- */
@media (max-width: 640px) {
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px)); }
  .hero { min-height: 88svh; }
  .hero__photo { object-position: 50% 100%; }
  .hero::after { background: linear-gradient(0deg, rgba(51, 16, 26, .96) 0%, rgba(51, 16, 26, .78) 48%, rgba(51, 16, 26, .25) 80%, rgba(51, 16, 26, .55) 100%); }
  .hero__actions .bouton { flex: 1 1 100%; }
  .engagements__liste { grid-template-columns: minmax(0, 1fr); }
  .engagements__liste li, .engagements__liste li:nth-child(3) { padding: 18px 0; border-left: 0; }
  .engagements__liste li + li { border-top: 1px solid rgba(201, 169, 110, .28); }
  .prestations { grid-template-columns: minmax(0, 1fr); }
  .prestation, .prestation:nth-child(2n) { padding: 26px 0; border-left: 0; }
  .arguments { grid-template-columns: minmax(0, 1fr); }
  .etapes { grid-template-columns: minmax(0, 1fr); row-gap: 0; }
  .etapes li, .etapes li + li, .etapes li:nth-child(4) { padding: 22px 0; border-left: 0; border-top: 1px solid rgba(201, 169, 110, .3); grid-template-columns: 56px minmax(0, 1fr); column-gap: 8px; }
  .etapes__num { grid-row: span 2; font-size: 2.4rem; }
  .galerie.galerie--accueil { grid-template-columns: minmax(0, 1fr); }
  .galerie { columns: 1; }
  .carte-realisation { aspect-ratio: 4 / 5; }
  .formulaire__deux { grid-template-columns: minmax(0, 1fr); }
  .garantie__grille { grid-template-columns: minmax(0, 1fr); justify-items: start; }
  .garantie__sceau { margin: 12px 0 0 12px; width: 150px; }
  .garantie .bouton { width: 100%; }
  .formulaire .bouton { width: 100%; min-width: 0; }
  .pied__grille { grid-template-columns: minmax(0, 1fr); }
  .texte-legal dl { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .texte-legal dd { margin-bottom: 10px; }
  .barre-mobile { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); position: fixed; inset: auto 0 0; z-index: 40; padding-bottom: env(safe-area-inset-bottom, 0px); background: var(--bordeaux-profond); box-shadow: 0 -8px 24px rgba(51, 16, 26, .25); }
  .barre-mobile a { display: grid; place-items: center; height: 64px; text-decoration: none; font: 600 12px/1 var(--f-texte); letter-spacing: .14em; text-transform: uppercase; }
  .barre-mobile__appel { color: var(--ivoire); border-right: 1px solid rgba(201, 169, 110, .3); }
  .barre-mobile__devis { background: var(--or); color: var(--bordeaux-profond); }
  .visionneuse__bouton { top: auto; bottom: 8px; transform: none; width: 44px; height: 44px; }
}