/* Bâtir & Rénover – maquette de démonstration ILEA
   Style « entreprise du bâtiment » : grandes photos plein écran, titres très gras en Montserrat,
   vert sapin + blanc + gris béton, angles droits. Volontairement très différent du site ILEA. */
:root { --vert: #1d4a37; --vert-clair: #2f6b51; --beton: #eef0ee; --noir: #121614; --gris: #5f6a64; --blanc: #fff; --titre: "Montserrat", Arial, sans-serif; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Source Sans 3", Arial, sans-serif; color: var(--noir); background: var(--blanc); font-size: 18px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--titre); line-height: 1.02; }
.section { width: min(1200px, 100% - 32px); margin-inline: auto; padding: clamp(56px, 8vw, 100px) 0; }
.intro { color: #c8d3cd; margin: -14px 0 24px; }
.note { font-size: 14px; color: var(--gris); margin-top: 14px; font-style: italic; }
.btn { display: inline-block; background: var(--vert); color: #fff; font-family: var(--titre); font-weight: 700; font-size: 15px; text-transform: uppercase; letter-spacing: .04em; padding: 16px 24px; border: 0; cursor: pointer; }
.btn:hover { background: var(--vert-clair); }
.btn-blanc { background: #fff; color: var(--noir); }
.btn-blanc:hover { background: var(--beton); }

.bandeau-demo { background: var(--noir); color: #fff; font: 600 13px/1.4 Arial, sans-serif; text-align: center; padding: 8px 16px; }
.bandeau-demo a { text-decoration: underline; }
.entete { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 14px clamp(16px, 4vw, 48px); background: #fff; position: sticky; top: 0; z-index: 20; box-shadow: 0 1px 0 #e3e6e4; }
.logo { display: flex; align-items: center; gap: 12px; font-family: var(--titre); font-weight: 800; font-size: 20px; text-transform: uppercase; letter-spacing: .02em; }
.logo-bloc { width: 44px; height: 44px; background: var(--vert); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 16px; line-height: 1; letter-spacing: -.02em; white-space: nowrap; flex: none; }
.logo-bloc em { font-style: normal; color: #9ed1b6; }
.menu { display: flex; gap: 28px; font-family: var(--titre); font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: .04em; }
.menu a:hover { color: var(--vert-clair); }

.accroche { position: relative; min-height: min(86vh, 760px); display: flex; flex-direction: column; justify-content: flex-end; color: #fff;
  background: linear-gradient(180deg, rgba(10,20,15,.6) 0%, rgba(10,20,15,.6) 50%, rgba(10,20,15,.9) 100%), url(photos/toit.jpg) center 30% / cover; }
.accroche-contenu { width: min(1200px, 100% - 32px); margin-inline: auto; padding: 80px 0 40px; }
.sur { font-family: var(--titre); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .14em; color: #9ed1b6; }
.accroche h1 { font-size: clamp(40px, 10vw, 128px); overflow-wrap: anywhere; font-weight: 900; text-transform: uppercase; letter-spacing: -.02em; margin: 14px 0 18px; }
.chapo { font-size: 20px; max-width: 560px; color: #e3ebe6; }
.boutons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.bandeau-chiffres { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--vert); }
.bandeau-chiffres div { padding: 22px clamp(16px, 3vw, 40px); border-right: 1px solid rgba(255,255,255,.15); }
.bandeau-chiffres dt { font-family: var(--titre); font-weight: 900; font-size: clamp(26px, 3vw, 38px); }
.bandeau-chiffres dd { font-size: 15px; color: #c7ddd1; }

.entete-section { display: flex; align-items: center; gap: 16px; margin-bottom: 30px; }
.entete-section h2 { font-size: clamp(32px, 4.4vw, 54px); font-weight: 900; text-transform: uppercase; }
.trait { width: 54px; height: 8px; background: var(--vert); flex: none; }
.entete-section.clair .trait { background: #9ed1b6; }
.entete-section.clair h2 { color: #fff; }

.metiers { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 280px 280px; gap: 12px; }
.metier { position: relative; background: linear-gradient(180deg, transparent 30%, rgba(10,20,15,.88)), var(--photo) center / cover; color: #fff; display: flex; align-items: flex-end; padding: 22px; overflow: hidden; }
.metier.grand { grid-row: span 2; }
.metier h3 { font-size: 24px; font-weight: 800; text-transform: uppercase; margin-bottom: 6px; }
.metier p { font-size: 16px; color: #dfe7e2; max-width: 360px; }
.metier::after { content: ""; position: absolute; left: 0; top: 0; width: 6px; height: 0; background: #9ed1b6; transition: height .3s; }
.metier:hover::after { height: 100%; }

.avant-apres-section { background: var(--noir); color: #fff; }
.avant-apres { position: relative; aspect-ratio: 16 / 8; overflow: hidden; }
.avant-apres img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.etiquette { position: absolute; top: 16px; background: #fff; color: var(--noir); font-family: var(--titre); font-weight: 800; font-size: 13px; text-transform: uppercase; padding: 5px 12px; z-index: 2; pointer-events: none; }
.e-avant { left: 16px; }
.e-apres { right: 16px; background: #9ed1b6; }
.avant-apres input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; z-index: 4; }
.poignee { position: absolute; top: 0; bottom: 0; width: 4px; background: #fff; transform: translateX(-50%); z-index: 3; pointer-events: none; }
.poignee::after { content: "‹ ›"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 52px; height: 52px; background: var(--vert); color: #fff; display: grid; place-items: center; font-family: var(--titre); font-weight: 800; letter-spacing: 2px; }
.avant-apres-section .note { color: #9aa59f; }

.galerie { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: 250px 250px; gap: 12px; }
.galerie figure { position: relative; overflow: hidden; }
.galerie .g-large { grid-row: span 2; }
.galerie img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.galerie figure:hover img { transform: scale(1.04); }
.galerie figcaption { position: absolute; left: 0; bottom: 0; background: #fff; font-family: var(--titre); font-weight: 700; font-size: 14px; padding: 8px 14px; }

.engagements { background: var(--beton); }
.engagements-grille { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.engagements b { font-family: var(--titre); font-weight: 900; font-size: 48px; color: var(--vert); line-height: 1; }
.engagements h3 { font-size: 20px; font-weight: 800; margin: 12px 0 6px; text-transform: uppercase; }
.engagements p { color: var(--gris); font-size: 16px; }

.temoignage { text-align: center; max-width: 960px; }
.temoignage blockquote { font-family: var(--titre); font-weight: 700; font-size: clamp(24px, 3vw, 36px); line-height: 1.3; }
.temoignage p { margin-top: 16px; color: var(--gris); }

.devis { background: var(--vert); color: #fff; }
.devis-grille { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.devis h2 { font-size: clamp(34px, 4.4vw, 56px); font-weight: 900; text-transform: uppercase; margin-bottom: 16px; }
.devis-grille > div > p { color: #c7ddd1; }
.coord { list-style: none; margin-top: 26px; display: grid; gap: 12px; }
.coord b { display: block; font-family: var(--titre); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: #9ed1b6; }
form { background: #fff; color: var(--noir); padding: 26px; display: grid; gap: 10px; }
form input, form textarea { font: inherit; border: 2px solid #dfe3e1; padding: 13px 14px; }
form input:focus, form textarea:focus { outline: none; border-color: var(--vert); }
.choix-travaux { border: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 6px; }
.choix-travaux legend { font-family: var(--titre); font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--gris); margin-bottom: 8px; }
.choix-travaux input { position: absolute; opacity: 0; }
.choix-travaux span { display: block; text-align: center; border: 2px solid #dfe3e1; padding: 10px 4px; cursor: pointer; font-weight: 600; font-size: 15px; }
.choix-travaux input:checked + span { background: var(--vert); border-color: var(--vert); color: #fff; }
.petit { font-size: 14px; color: var(--gris); }

.pied { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 22px clamp(16px, 4vw, 48px) 90px; font-size: 14px; color: var(--gris); }
.appel-mobile { display: none; }

@media (max-width: 900px) {
  .menu { display: none; }
  .bandeau-chiffres { grid-template-columns: 1fr 1fr; }
  .metiers { grid-template-columns: 1fr 1fr; grid-template-rows: 300px 220px 220px; }
  .metier.grand { grid-column: span 2; grid-row: span 1; }
  .avant-apres { aspect-ratio: 4 / 3; }
  .galerie { grid-template-columns: 1fr 1fr; grid-template-rows: 240px 170px; }
  .galerie .g-large { grid-column: span 2; grid-row: span 1; }
  .engagements-grille { grid-template-columns: 1fr 1fr; }
  .devis-grille { grid-template-columns: 1fr; }
  .choix-travaux { grid-template-columns: 1fr 1fr; }
  .appel-mobile { display: block; position: fixed; left: 12px; right: 12px; bottom: 12px; background: var(--vert); color: #fff; text-align: center; font-family: var(--titre); font-weight: 700; padding: 15px; z-index: 30; }
}
@media (max-width: 520px) {
  .entete .btn { padding: 10px 12px; font-size: 12px; }
  .logo { font-size: 15px; }
  .metiers { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-rows: 220px; }
  .metier.grand { grid-column: auto; }
  .engagements-grille { grid-template-columns: 1fr; }
}

.carte-maps { width: 100%; height: 240px; border: 0; margin-top: 24px; display: block; }
.note-carte { font-size: 13px; color: #c7ddd1; margin-top: 6px; }