:root{--green:#56683d;--green-dark:#40502e;--green-soft:#7d8d68;--cream:#f7f5ef;--paper:#fff;--ink:#20231d;--muted:#62675d;--line:#dedfd8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);line-height:1.55}img{max-width:100%;display:block}.header{height:104px;padding:10px 5vw;display:flex;align-items:center;gap:42px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:50}.logo{display:block;width:190px;flex:0 0 auto}.logo img{width:100%;height:82px;object-fit:contain}.header nav{display:flex;align-items:center;justify-content:center;gap:36px;flex:1}.header nav a{color:var(--green-dark);text-decoration:none;font-weight:600;font-size:15px;padding:12px 0;border-bottom:2px solid transparent}.header nav a:hover{border-color:var(--green)}.header-cta,.button{background:var(--green);color:#fff;text-decoration:none;border:0;border-radius:9px;padding:14px 20px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.header-cta{white-space:nowrap}.hero{display:grid;grid-template-columns:39% 61%;min-height:520px;background:var(--cream)}.hero-content{padding:70px 5vw;display:flex;flex-direction:column;justify-content:center}.eyebrow{color:var(--green);font-size:12px;letter-spacing:.25em;font-weight:800;margin:0 0 12px}.hero h1{color:var(--green-dark);font-size:50px;line-height:1.02;margin:0 0 22px;max-width:600px}.hero h1 span{display:block;font-size:66px}.lead{font-size:20px;max-width:550px;margin:0 0 28px;color:#3e4438}.hero .button{align-self:flex-start}.hero-photo{overflow:hidden}.hero-photo img{width:100%;height:100%;object-fit:cover}.service-strip{display:grid;grid-template-columns:repeat(6,1fr);padding:25px 4vw;border-bottom:1px solid var(--line);background:#fff}.service-strip article{display:flex;gap:15px;padding:8px 20px;border-right:1px solid var(--line)}.service-strip article:last-child{border:0}.service-icon{font-size:30px;color:var(--green);line-height:1}.service-strip h3{color:var(--green-dark);font-size:14px;margin:0 0 5px}.service-strip p{font-size:12px;color:var(--muted);margin:0}.content-grid{display:grid;grid-template-columns:minmax(0,28fr) minmax(0,72fr);max-width:1500px;margin:0 auto;padding:70px 4vw;gap:55px}.about-card h2,.section-head h2,.contact h2{font-size:34px;color:var(--green-dark);margin:0 0 15px}.about-card p{color:var(--muted)}.text-link{display:inline-block;color:#fff;background:var(--green);padding:11px 16px;border-radius:7px;text-decoration:none;font-weight:700;margin:8px 0 28px}.about-photo{margin:0;border-radius:4px;overflow:hidden}.about-photo img{height:360px;width:100%;object-fit:cover}.section-head{margin-bottom:26px}.section-head p{color:var(--muted);margin:4px 0}.featured-project{display:grid;grid-template-columns:2fr 1fr;gap:0;background:var(--cream);border-radius:12px;overflow:hidden;margin-bottom:20px}.project-photo img{width:100%;height:520px;object-fit:cover}.project-copy{padding:36px}.project-type{color:var(--green);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.project-copy h3{color:var(--green-dark);font-size:27px;margin:8px 0 14px}.project-copy p{color:var(--muted)}.project-copy ul{list-style:none;padding:18px 0 0;margin:20px 0 0;border-top:1px solid var(--line)}.project-copy li{margin:12px 0;color:#4b5147}.project-copy li:before{content:'✓';display:inline-grid;place-items:center;width:25px;height:25px;border-radius:50%;background:var(--green);color:#fff;margin-right:10px;font-weight:700}.gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.gallery figure{margin:0;height:135px;border-radius:8px;overflow:hidden;background:#eee}.gallery img{width:100%;height:100%;object-fit:cover}.gallery figure:last-child img{object-fit:contain;background:#eee}.section{padding:70px 5vw}.centered{text-align:center}.before-after{background:var(--cream)}.hero-compare{position:relative;overflow:hidden;height:min(620px,65vw);max-width:1200px;margin:0 auto 45px;background:#ddd;border-radius:12px;isolation:isolate}.hero-compare>img,.compare-before,.compare-before img{position:absolute;inset:0;width:100%;height:100%;display:block}.hero-compare>img,.compare-before img{object-fit:cover}.compare-before{width:50%;overflow:hidden;z-index:2}.compare-before img{max-width:none}.compare-divider{position:absolute;z-index:4;left:50%;top:0;bottom:0;width:3px;background:#fff;transform:translateX(-50%);pointer-events:none}.compare-divider span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff;font-weight:800;box-shadow:0 2px 10px #0004}.compare-range{position:absolute;z-index:5;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}.compare-label{position:absolute;z-index:3;top:20px;padding:8px 14px;border-radius:6px;background:rgba(64,80,46,.92);color:#fff;text-transform:uppercase;font-size:11px;font-weight:800}.before-label{left:18px}.after-label{right:18px}.ba-carousel{max-width:1100px;margin:0 auto;position:relative}.ba-slides{overflow:hidden}.ba-slide{display:none;grid-template-columns:1fr 1fr;gap:12px}.ba-slide.active{display:grid}.ba-slide figure{margin:0;position:relative;height:420px;overflow:hidden;border-radius:10px}.ba-slide img{width:100%;height:100%;object-fit:cover}.ba-slide figcaption{position:absolute;left:15px;bottom:15px;background:var(--green);color:#fff;padding:7px 12px;border-radius:5px;font-weight:700}.carousel-arrow{position:absolute;z-index:3;top:45%;width:42px;height:42px;border:0;border-radius:50%;background:var(--green);color:#fff;font-size:26px;cursor:pointer}.prev{left:-20px}.next{right:-20px}.carousel-dots{text-align:center;padding-top:18px}.carousel-dots button{width:9px;height:9px;padding:0;border:0;border-radius:50%;margin:0 4px;background:#b9bdb2}.carousel-dots button.active{background:var(--green)}.contact{display:grid;grid-template-columns:1fr 1.4fr;gap:70px;padding:80px 8vw;background:#fff}.contact-intro-block p{color:var(--muted);max-width:500px}.contact-form{background:var(--cream);padding:30px;border-radius:12px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.contact-form label{display:block;color:var(--green-dark);font-weight:700;font-size:14px;margin-bottom:16px}.contact-form label span{font-weight:400;color:var(--muted)}input,select,textarea{width:100%;margin-top:7px;padding:13px;border:1px solid #cfd3c8;border-radius:7px;background:#fff;font:inherit}textarea{resize:vertical}.hidden{display:none}#form-status{min-height:24px;color:var(--green-dark);font-weight:700}footer{display:flex;justify-content:space-between;gap:20px;padding:28px 5vw;background:var(--green-dark);color:#fff;font-size:13px}@media(max-width:1000px){.header{height:auto;flex-wrap:wrap;gap:12px;padding:10px 4vw}.logo{width:150px}.header nav{order:3;width:100%;gap:18px;overflow-x:auto;justify-content:flex-start}.header-cta{margin-left:auto}.hero{grid-template-columns:1fr}.hero-photo{height:380px}.service-strip{grid-template-columns:repeat(2,1fr)}.service-strip article{border-bottom:1px solid var(--line)}.content-grid{grid-template-columns:1fr}.featured-project{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(3,1fr)}.contact{grid-template-columns:1fr}}@media(max-width:640px){.header-cta{display:none}.header nav{font-size:13px}.hero-content{padding:45px 6vw}.hero h1{font-size:36px}.hero h1 span{font-size:48px}.service-strip{grid-template-columns:1fr}.service-strip article{border-right:0}.content-grid,.section,.contact{padding:50px 5vw}.project-photo img{height:420px}.gallery{grid-template-columns:repeat(2,1fr)}.ba-slide{grid-template-columns:1fr}.ba-slide figure{height:320px}.form-row{grid-template-columns:1fr}.hero-compare{height:70vw;min-height:330px}footer{flex-direction:column}}

/* Version 15: identité PMT, accueil carré et galerie interactive */
.brand-name{display:flex;align-items:baseline;gap:8px;flex:0 0 auto;color:var(--green-dark);text-decoration:none;font-size:20px;font-weight:700;white-space:nowrap}.brand-name strong{font-size:28px;letter-spacing:.02em}.hero{grid-template-columns:minmax(420px,46%) minmax(420px,54%);min-height:600px;overflow:hidden}.hero-content{position:relative;z-index:2;padding-right:2vw;background:var(--cream)}.hero-logo{width:min(430px,90%);height:auto;max-height:220px;object-fit:contain;object-position:left center;margin:4px 0 24px}.hero-photo{position:relative;aspect-ratio:1/1;min-height:600px;align-self:center}.hero-photo:before{content:"";position:absolute;z-index:1;left:-2px;top:0;bottom:0;width:15%;background:linear-gradient(90deg,var(--cream) 0%,rgba(247,245,239,.70) 22%,rgba(247,245,239,.28) 58%,rgba(247,245,239,0) 100%);pointer-events:none}.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.featured-project{grid-template-columns:minmax(0,2fr) minmax(280px,1fr)}.project-viewer{min-width:0;background:#fff}.project-photo{overflow:hidden;background:#e8e8e3}.project-photo img{transition:opacity .18s ease}.project-thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;padding:10px;background:#fff}.project-thumb{appearance:none;border:2px solid transparent;border-radius:8px;padding:0;overflow:hidden;background:#eee;height:92px;cursor:pointer}.project-thumb img{width:100%;height:100%;object-fit:cover}.project-thumb.active{border-color:var(--green);box-shadow:0 0 0 1px var(--green)}.gallery figure:nth-child(3) img{object-fit:cover}.header-cta{font-size:15px}
@media(max-width:1100px){.brand-name{font-size:17px}.brand-name strong{font-size:23px}.header{gap:20px}.header nav{gap:22px}.hero{grid-template-columns:1fr}.hero-content{padding-bottom:30px}.hero-photo{width:min(100%,720px);min-height:0;justify-self:center}.hero-photo:before{left:0;right:0;top:-2px;bottom:auto;width:100%;height:12%;background:linear-gradient(180deg,rgba(247,245,239,.72),rgba(247,245,239,0))}.project-thumbs{grid-template-columns:repeat(6,1fr)}}
@media(max-width:640px){.brand-name{font-size:15px}.brand-name strong{font-size:21px}.hero{min-height:0}.hero-logo{width:min(330px,94%)}.hero-photo{aspect-ratio:1/1;width:100%}.project-thumbs{grid-template-columns:repeat(3,1fr)}.project-thumb{height:86px}}

/* Version 17 : corriger les conflits de cascade sans changer l’identité visuelle. */
.content-grid > * { min-width: 0; }
@media (max-width: 1100px) {
  .header { height: auto; flex-wrap: wrap; }
  .header nav { order: 3; width: 100%; flex-basis: 100%; justify-content: flex-start; overflow-x: auto; }
  .header-cta { margin-left: auto; }
  .hero-photo { height: auto; }
}
@media (max-width: 1000px) {
  .featured-project { grid-template-columns: minmax(0, 1fr); }
}