:root{
  --green:#27c220;
  --green-dark:#1fa51a;
  --anth:#3c3f46;
  --ink:#262a2f;
  --muted:#6f757a;
  --soft:#f3f5f5;
  --white:#fff;
  --line:#dfe4e2;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.5}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{width:190px;max-width:42vw}
.navlinks{display:flex;gap:28px;align-items:center;font-size:14px;font-weight:800}
.navlinks a{position:relative;padding:30px 0 27px}
.navlinks a:hover,.navlinks a.active{color:var(--green)}
.navlinks a.active:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--green);border-radius:999px 999px 0 0}
.mobile-nav-toggle{display:none;border:1px solid var(--line);background:white;border-radius:10px;padding:8px 11px;font-weight:900;cursor:pointer}

.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#f7f9f8 0 55%,#eef2ef 55%);border-bottom:1px solid var(--line)}
.hero:after{content:"";position:absolute;right:-10%;top:-30%;width:55%;height:160%;background:linear-gradient(145deg,transparent 0 44%,rgba(39,194,32,.10) 44% 50%,transparent 50% 100%);transform:rotate(-4deg)}
.hero-grid{min-height:650px;display:grid;grid-template-columns:.95fr 1.15fr;align-items:center;gap:72px;position:relative;z-index:1}
.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.18em;font-weight:900;color:var(--green);margin-bottom:16px}
.hero h1,.page-hero h1{font-size:clamp(44px,6.2vw,82px);line-height:.96;letter-spacing:-.05em;margin:0}
.hero h1 span{color:var(--green)}
.hero p,.page-hero p{max-width:680px;font-size:19px;color:#656a70;margin:24px 0 0}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 18px;border-radius:6px;border:1px solid var(--anth);font-weight:900;font-size:14px;cursor:pointer;background:white;color:var(--ink);transition:.2s}
.btn.primary{background:var(--green);border-color:var(--green);color:white}
.btn:hover{transform:translateY(-1px)}
.visual{width:100%;aspect-ratio:16/10;min-height:430px;border-radius:18px;position:relative;overflow:hidden;background:#dfe4e2;box-shadow:0 28px 70px rgba(0,0,0,.14),0 10px 24px rgba(0,0,0,.08);border:1px solid rgba(60,63,70,.10)}
.chantier-slideshow{isolation:isolate}
.chantier-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.018);transition:opacity 1s ease,transform 6s ease;z-index:0}
.chantier-slide.is-active{opacity:1;transform:scale(1);z-index:1}
.chantier-slideshow:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 48%,rgba(0,0,0,.34) 100%);z-index:2;pointer-events:none}
.chantier-caption{position:absolute;left:20px;bottom:18px;z-index:3;display:inline-flex;align-items:center;gap:9px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.92);box-shadow:0 6px 18px rgba(0,0,0,.14);font-size:12px;font-weight:900;color:var(--ink)}
.chantier-caption:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(39,194,32,.12)}
.chantier-counter{color:var(--muted);font-weight:800}
@media (prefers-reduced-motion:reduce){.chantier-slide{transition:none;transform:none}.chantier-slide.is-active{transform:none}}


.page-hero{padding:78px 0 60px;background:linear-gradient(120deg,#f7f9f8,#eef2ef);border-bottom:1px solid var(--line)}
.page-hero.compact{padding:60px 0 44px}
.breadcrumb{font-size:13px;color:#7a8084;margin-bottom:18px}.breadcrumb a:hover{color:var(--green)}

.section{padding:72px 0;border-bottom:1px solid var(--line)}
.section.tight{padding:52px 0}
.section-head{display:grid;grid-template-columns:.75fr 2fr;gap:50px;margin-bottom:34px}
.section-head h2{font-size:clamp(32px,4.2vw,54px);line-height:1.04;margin:0;letter-spacing:-.04em}
.section-head p{font-size:17px;color:var(--muted);margin:6px 0 0;max-width:720px}
.section-actions{margin-top:28px}

.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.card{position:relative;overflow:hidden;border:1px solid rgba(60,63,70,.10);border-radius:20px;padding:24px;min-height:250px;display:flex;flex-direction:column;justify-content:space-between;background:radial-gradient(circle at top right,rgba(39,194,32,.10),transparent 38%),linear-gradient(180deg,#fff,#f7f9f8);box-shadow:0 10px 30px rgba(18,27,21,.06);transition:.22s}
.card:before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:linear-gradient(90deg,var(--green),rgba(39,194,32,.18))}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(18,27,21,.11)}
.num{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:900;font-size:13px;color:var(--green);background:#effced;border:1px solid rgba(39,194,32,.18)}
.card h3{font-size:22px;margin:18px 0 9px;line-height:1.15}.card p{margin:0;color:var(--muted)}
.cards.detailed{grid-template-columns:repeat(2,1fr)}
.cards.detailed .card{min-height:290px}
.card-list{margin:14px 0 0;padding-left:18px;color:var(--muted)}

.band{background:var(--anth);color:white}.band .eyebrow{color:#7eea79}.band p{color:#d3d5d8}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat{border-top:1px solid rgba(255,255,255,.25);padding-top:18px}.stat strong{display:block;font-size:42px;color:#fff}.stat span{color:#d6d7d9}

.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:22px}
.project-card{position:relative;border:1px solid rgba(60,63,70,.10);border-radius:22px;padding:20px;background:linear-gradient(180deg,#f7f8f8,#f1f3f4);box-shadow:0 10px 30px rgba(18,27,21,.07);display:grid;grid-template-rows:auto 1fr;gap:14px;min-height:390px;transition:.22s}
.project-card:hover{transform:translateY(-5px);border-color:rgba(39,194,32,.25);box-shadow:0 18px 42px rgba(18,27,21,.12)}
.project-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.project-card h3{margin:0;font-size:clamp(22px,2vw,30px);line-height:1;letter-spacing:-.035em}.project-card p{margin:5px 0 0;color:#767c82;font-size:15px}.project-brand{width:118px;max-width:30%;border-radius:9px;background:white;padding:5px 9px;box-shadow:0 8px 18px rgba(0,0,0,.06)}
.project-preview{min-height:250px;border:1px solid #d9dde0;border-radius:14px;background-color:white;background-position:center;background-size:contain;background-repeat:no-repeat;position:relative}
.project-preview:after{content:"Découvrir →";position:absolute;right:12px;bottom:12px;padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.94);font-size:12px;font-weight:900;box-shadow:0 6px 18px rgba(0,0,0,.12)}
.preview-serris{background-image:url('realisation-coursives-serris.png')}.preview-sizun{background-image:url('realisation-escalier-sizun.png')}.preview-ergue{background-image:url('realisation-tour-ergue.png')}

.split{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:start}
.info-panel{border:1px solid var(--line);border-radius:20px;background:var(--soft);padding:28px}.info-panel h3{margin-top:0;font-size:24px}.info-panel p{color:var(--muted)}

/* Project page */
.project-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:38px;align-items:start}
.project-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.tag{padding:7px 10px;border-radius:999px;background:#effced;border:1px solid rgba(39,194,32,.2);font-size:12px;font-weight:900;color:#278923}
.gallery-shell{border:1px solid var(--line);border-radius:22px;background:#f6f7f8;padding:20px;box-shadow:0 12px 32px rgba(18,27,21,.07)}
.gallery-tabs{display:flex;gap:9px;overflow:auto;padding-bottom:4px;margin-bottom:18px}.gallery-tab{white-space:nowrap;border:1px solid #cfd5d2;background:#fff;border-radius:999px;padding:10px 14px;font-weight:900;font-size:13px;cursor:pointer}.gallery-tab.active{background:var(--green);border-color:var(--green);color:white}
.gallery-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:14px}.gallery-head h2{margin:0;font-size:clamp(26px,3vw,38px);line-height:1}.gallery-head p{margin:5px 0 0;color:var(--muted)}.gallery-head img{width:130px;border-radius:10px;background:#fff;padding:6px 10px;box-shadow:0 8px 18px rgba(0,0,0,.06)}
.gallery-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(250px,.65fr);gap:16px;height:610px}.gallery-main{border:1px solid #d9dde0;border-radius:14px;background:#fff;padding:10px;min-height:0;display:flex;align-items:center;justify-content:center;overflow:auto}.gallery-main img{width:100%;height:100%;object-fit:contain}.gallery-thumbs{display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:124px;gap:10px;overflow-y:auto;align-content:start;padding-right:3px}.gallery-thumb{border:1px solid #d9dde0;background:white;border-radius:12px;padding:7px;cursor:pointer;overflow:hidden}.gallery-thumb.active{border-color:var(--green);box-shadow:0 0 0 2px rgba(39,194,32,.14)}.gallery-thumb img{width:100%;height:100%;object-fit:contain}
.gallery-empty{display:none}

/* Contact */
.contact{display:grid;grid-template-columns:1.15fr .85fr;gap:30px}.contact-intro p{font-size:17px;color:var(--muted)}.quote-badge{display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:9px 12px;border:1px solid rgba(39,194,32,.35);background:rgba(39,194,32,.08);border-radius:999px;font-size:13px;font-weight:900}.quote-badge:before{content:"✓";color:var(--green)}
.contact-form{display:grid;gap:16px;margin-top:24px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:grid;gap:7px}.field label{font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:#64696f}.field input,.field select,.field textarea{width:100%;border:1px solid #cfd5d2;background:#fff;color:var(--ink);border-radius:6px;padding:13px 14px;outline:none}.field textarea{min-height:150px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(39,194,32,.10)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted)}.check input{margin-top:3px}.form-help{font-size:12px;color:#7a7f84;margin:0}.form-status{display:none;padding:14px 16px;border-left:5px solid var(--green);background:#effaef;font-weight:800}.form-status.error{border-left-color:#b13b3b;background:#fff1f1}.honeypot{position:absolute!important;left:-9999px!important;opacity:0!important;pointer-events:none!important}
.file-drop{border:2px dashed #bfc6c2;border-radius:14px;padding:22px;text-align:center;background:#fafbfb;cursor:pointer;transition:.2s}.file-drop.dragover{border-color:var(--green);background:#f0fbef}.file-drop strong{display:block;font-size:16px}.file-drop span{font-size:13px;color:var(--muted)}.file-input{display:none}.file-summary{margin-top:10px;padding:10px 12px;border-radius:9px;background:#eef5ef;font-size:13px;font-weight:800}.file-list{display:grid;gap:7px;margin-top:10px}.file-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:white;font-size:13px}.file-item button{border:0;background:transparent;cursor:pointer;font-weight:900;color:#9a3434}
.contact-box{padding:28px;border:1px solid var(--line);background:var(--soft);border-radius:20px}.details{display:grid;gap:12px}.detail{padding:18px 20px;border:1px solid rgba(60,63,70,.10);border-radius:16px;background:#fff;box-shadow:0 8px 20px rgba(18,27,21,.05);position:relative}.detail:before{content:"";position:absolute;left:18px;top:0;width:54px;height:4px;border-radius:999px;background:var(--green)}.detail small{display:block;color:#7b8085;text-transform:uppercase;letter-spacing:.12em;font-size:10px;margin:4px 0 6px}.legal{font-size:12px;color:#777;margin-top:18px}.map-card{margin-top:14px;position:relative;min-height:200px;border:1px solid rgba(60,63,70,.10);border-radius:16px;overflow:hidden;background:#e9eeeb}.map-card iframe{width:100%;height:220px;border:0;display:block}.map-card-link{position:absolute;left:12px;right:12px;bottom:12px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 13px;border-radius:10px;background:rgba(38,42,47,.94);color:#fff!important;font-size:13px;font-weight:900;box-shadow:0 8px 24px rgba(0,0,0,.18)}

.cta{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:32px;border-radius:22px;background:linear-gradient(135deg,#30343a,#444950);color:white}.cta h2{margin:0;font-size:clamp(28px,4vw,44px);line-height:1}.cta p{margin:8px 0 0;color:#d7d9dc}.cta .btn{flex:0 0 auto}


/* Accueil épuré */
.home-main{min-height:calc(100vh - 82px)}
.home-hero{border-bottom:0;padding-bottom:70px}
.home-hero .hero-grid{min-height:610px}
.home-shortcuts{position:relative;margin-top:-52px;padding:0 0 72px;z-index:3}
.shortcut-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.shortcut-bubble{
  position:relative;
  min-height:230px;
  padding:26px;
  border:1px solid rgba(60,63,70,.10);
  border-radius:34px;
  overflow:hidden;
  background:
    radial-gradient(circle at 88% 12%,rgba(39,194,32,.13),transparent 34%),
    linear-gradient(145deg,#fff 0%,#f5f7f6 100%);
  box-shadow:0 18px 42px rgba(18,27,21,.11),0 3px 10px rgba(18,27,21,.05);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.shortcut-bubble:before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:linear-gradient(90deg,var(--green),rgba(39,194,32,.14))}
.shortcut-bubble:hover{transform:translateY(-7px);border-color:rgba(39,194,32,.28);box-shadow:0 24px 54px rgba(18,27,21,.15)}
.shortcut-index{
  width:54px;height:54px;border-radius:50%;
  display:grid;place-items:center;
  color:var(--green);font-size:13px;font-weight:900;letter-spacing:.08em;
  background:#effced;border:1px solid rgba(39,194,32,.18);
}
.shortcut-copy{display:grid;gap:8px;margin-top:24px}
.shortcut-copy strong{font-size:26px;line-height:1;letter-spacing:-.035em}
.shortcut-copy span{font-size:14px;line-height:1.45;color:var(--muted);max-width:230px}
.shortcut-arrow{
  position:absolute;right:22px;bottom:22px;
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--anth);color:white;font-weight:900;font-size:19px;
  transition:background .2s ease,transform .2s ease;
}
.shortcut-bubble:hover .shortcut-arrow{background:var(--green);transform:translateX(2px)}
.shortcut-bubble-contact{background:radial-gradient(circle at 88% 12%,rgba(39,194,32,.22),transparent 36%),linear-gradient(145deg,#f4fff3 0%,#edf7ed 100%)}

@media(max-width:980px){
  .shortcut-grid{grid-template-columns:1fr 1fr}
  .home-shortcuts{margin-top:-34px}
  .home-hero{padding-bottom:54px}
}
@media(max-width:760px){
  .home-main{min-height:calc(100vh - 72px)}
  .home-hero .hero-grid{padding:54px 0 74px}
  .home-shortcuts{margin-top:-44px;padding-bottom:48px}
  .shortcut-grid{grid-template-columns:1fr;gap:12px}
  .shortcut-bubble{min-height:145px;border-radius:24px;padding:21px;display:grid;grid-template-columns:54px 1fr 42px;align-items:center;gap:15px}
  .shortcut-copy{margin:0;gap:5px}
  .shortcut-copy strong{font-size:23px}
  .shortcut-copy span{max-width:none;font-size:13px;padding-right:2px}
  .shortcut-arrow{position:static;align-self:center}
}

.site-footer{padding:30px 0;background:#25282d;color:#cdd0d3;font-size:13px}.footer-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

@media(max-width:980px){
  .cards{grid-template-columns:1fr 1fr}.hero-grid,.section-head,.contact,.split,.project-intro{grid-template-columns:1fr}.hero-grid{padding:66px 0;min-height:auto}.visual{min-height:350px}.gallery-grid{grid-template-columns:1fr;height:auto}.gallery-main{height:520px}.gallery-thumbs{display:flex;overflow:auto;grid-auto-rows:auto}.gallery-thumb{flex:0 0 150px;height:105px}.stats{grid-template-columns:1fr}.cards.detailed{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .wrap{width:min(var(--max),calc(100% - 24px))}.nav{height:72px}.logo{width:155px}.mobile-nav-toggle{display:block}.navlinks{display:none;position:absolute;left:0;right:0;top:72px;background:white;border-bottom:1px solid var(--line);padding:8px 20px 16px;flex-direction:column;align-items:stretch;gap:0}.navlinks.open{display:flex}.navlinks a{padding:12px 4px}.navlinks a.active:after{display:none}.hero h1,.page-hero h1{font-size:48px}.page-hero{padding:52px 0 42px}.section{padding:54px 0}.cards,.cards.detailed{grid-template-columns:1fr}.project-card{min-height:340px}.project-preview{min-height:220px}.form-row{grid-template-columns:1fr}.gallery-main{height:390px}.gallery-head img{width:105px}.gallery-thumbs{gap:8px}.gallery-thumb{flex-basis:118px;height:86px}.cta{align-items:flex-start;flex-direction:column}.visual{min-height:280px}
}