/* LMC COUVERTURE — noir, blanc, doré */
:root{
  --noir:#0b0b0c; --noir-2:#141416; --noir-3:#1d1d20; --trait:#2a2a2e;
  --blanc:#ffffff; --creme:#f7f5ef; --gris:#6b6b70; --gris-c:#b9b9be; --ligne:#e6e2d6;
  --or:#c9a227; --or-c:#e9c75a; --or-f:#8a6d12;
  --or-grad:linear-gradient(135deg,#8a6d12 0%,#e9c75a 45%,#c9a227 60%,#8a6d12 100%);
  --serif:"Cormorant Garamond",Georgia,serif; --sans:Manrope,system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:4px; --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;background:var(--blanc);color:var(--noir);font:400 17px/1.7 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3{margin:0 0 .5em;line-height:1.08;font-weight:600}
h1,h2{font-family:var(--serif);letter-spacing:-.01em}
h1{font-size:clamp(40px,6.4vw,78px)}
h2{font-size:clamp(32px,4.2vw,50px)}
h3{font-size:19px;font-family:var(--sans);font-weight:700;letter-spacing:-.005em}
p{margin:0 0 1em}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px}
.center{text-align:center}
.skip{position:absolute;left:-999px;top:0;background:var(--or);color:var(--noir);padding:10px 16px;z-index:100}
.skip:focus{left:10px}
:focus-visible{outline:2px solid var(--or);outline-offset:3px}
.ic{width:20px;height:20px;flex:none;vertical-align:-4px}
.ic.big{width:44px;height:44px;color:var(--or)}
.kicker{font:700 12px/1.4 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--or-f);margin-bottom:14px}
.dark .kicker,.hero .kicker,.phero .kicker,.cta-band .kicker,.urg .kicker,.side-card .kicker{color:var(--or)}
.small{font-size:14px;color:var(--gris)}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 26px;border-radius:var(--r);font:700 15px/1 var(--sans);letter-spacing:.04em;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s,border-color .25s;white-space:nowrap}
.btn .ic{width:18px;height:18px}
.btn.gold{background:var(--or-grad);background-size:200% 100%;color:var(--noir);box-shadow:0 8px 24px -10px rgba(201,162,39,.7)}
.btn.gold:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(201,162,39,.85)}
.btn.ghost{color:var(--blanc);border-color:rgba(255,255,255,.35)}
.btn.ghost:hover{border-color:var(--or);color:var(--or-c)}
.btn.ghost-dark{color:var(--blanc);border-color:rgba(255,255,255,.25);background:transparent}
.btn.ghost-dark:hover{border-color:var(--or)}
section:not(.dark):not(.hero):not(.phero):not(.cta-band):not(.urg) .btn.ghost{color:var(--noir);border-color:var(--noir)}
section:not(.dark):not(.hero):not(.phero):not(.cta-band):not(.urg) .btn.ghost:hover{background:var(--noir);color:var(--blanc)}
.btn.lg{padding:18px 30px;font-size:16px}
.btn.sm{padding:11px 18px;font-size:14px}
.btn.full{width:100%;margin-top:10px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--or-f);font-weight:700;text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:2px}
.dark .link-arrow,.urg .link-arrow{color:var(--or)}
.link-arrow .ic{width:16px;transition:transform .25s}
.link-arrow:hover .ic{transform:translateX(4px)}

/* en-tête */
.site-head{position:sticky;top:0;z-index:50;background:var(--blanc);color:var(--noir);border-bottom:2px solid var(--or);box-shadow:0 10px 30px -20px rgba(0,0,0,.35)}
.topbar{background:var(--noir)}
.topbar{border-bottom:1px solid var(--trait);font-size:13px;color:var(--gris-c)}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px}
.topbar a{color:var(--or);text-decoration:none;font-weight:600}
.topbar .ic{width:15px;height:15px;margin-right:4px}
.head-row{display:flex;align-items:center;gap:24px;height:96px}
.brand{display:flex;align-items:center;text-decoration:none;flex:none}
.brand img{display:block;height:78px;width:auto}
.brand.plaque{display:inline-flex;background:var(--blanc);padding:12px 16px;border-radius:var(--r)}
.brand.plaque img{height:72px}
.brand .mark{width:68px;height:30px;color:var(--blanc)}
.brand-txt{font:800 17px/1 var(--sans);letter-spacing:.12em;white-space:nowrap}
.brand-txt em{font-style:normal;background:var(--or-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav{margin-left:auto}
.main-nav>ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.main-nav a,.sub-btn{display:block;padding:10px 12px;color:var(--noir);text-decoration:none;font:600 14.5px/1 var(--sans);background:none;border:0;cursor:pointer;letter-spacing:.02em}
.main-nav>ul>li>a:hover,.sub-btn:hover{color:var(--or-f)}
.sub a{color:var(--blanc)}
.sub-btn::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin:0 0 3px 8px}
.has-sub{position:relative}
.sub{position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%,8px);width:560px;display:grid;grid-template-columns:1fr 1fr;gap:2px;list-style:none;margin:0;padding:14px;background:var(--noir-2);border:1px solid var(--trait);border-top:2px solid var(--or);box-shadow:0 30px 60px -20px rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:.25s var(--ease)}
.has-sub:hover .sub,.has-sub.open .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:translate(-50%,0)}
.sub a{display:flex;gap:10px;align-items:center;padding:10px 12px;font-weight:500;border-radius:3px}
.sub a .ic{color:var(--or)}
.sub a:hover{background:var(--noir-3);color:var(--or-c)}
.head-cta{display:flex;align-items:center;gap:12px}
.btn-tel{display:flex;align-items:center;gap:8px;color:var(--noir);text-decoration:none;font-weight:700;letter-spacing:.03em}
.btn-tel .ic{color:var(--or-f)}
.burger{display:none;width:44px;height:44px;background:none;border:1px solid var(--ligne);border-radius:var(--r);cursor:pointer;padding:12px 10px}
.burger span{display:block;height:1.5px;background:var(--noir);margin:4px 0;transition:.3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* hero accueil */
.hero{position:relative;background:var(--noir);color:var(--blanc);overflow:hidden;padding:110px 0 190px}
.hero-glow{position:absolute;inset:-30% -10% auto auto;width:780px;height:780px;background:radial-gradient(circle,rgba(201,162,39,.22),transparent 62%);pointer-events:none}
.hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,transparent 0 46px,rgba(255,255,255,.018) 46px 47px);pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:980px}
.hero h1 em{font-style:italic;font-weight:500;background:var(--or-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,1.6vw,20px);color:var(--gris-c);max-width:62ch;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-actions.centered{justify-content:center}
.urg-pill{display:inline-flex;align-items:center;gap:10px;margin-top:34px;padding:10px 18px;border:1px solid rgba(201,162,39,.4);border-radius:40px;color:var(--blanc);text-decoration:none;font-size:14px;font-weight:600;transition:border-color .25s,background .25s}
.urg-pill:hover{border-color:var(--or);background:rgba(201,162,39,.08)}
.urg-pill .ic{width:16px;color:var(--or)}
.dot{width:9px;height:9px;border-radius:50%;background:#e04b3c;box-shadow:0 0 0 0 rgba(224,75,60,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(224,75,60,0)}100%{box-shadow:0 0 0 0 rgba(224,75,60,0)}}
.skyline{position:absolute;left:0;right:0;bottom:0;width:100%;height:300px;z-index:1;opacity:.85}
.draw path{stroke-dasharray:4000;stroke-dashoffset:4000;animation:draw 3.6s .3s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* hero pages */
.phero{position:relative;background:var(--noir);color:var(--blanc);padding:70px 0 80px;overflow:hidden}
.phero-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 85% 0%,rgba(201,162,39,.2),transparent 55%),repeating-linear-gradient(115deg,transparent 0 46px,rgba(255,255,255,.02) 46px 47px);pointer-events:none}
.phero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--or-grad)}
.phero .wrap{position:relative}
.phero h1{font-size:clamp(38px,5.4vw,66px);max-width:20ch}
.phero .cp{font-family:var(--sans);font-size:.4em;font-weight:600;color:var(--or);letter-spacing:.06em;vertical-align:middle}
.phero .lead a{color:var(--or-c)}
.crumbs{font-size:13px;color:var(--gris-c);margin-bottom:26px}
.crumbs a{color:var(--gris-c);text-decoration:none}
.crumbs a:hover{color:var(--or-c)}
.crumbs i{font-style:normal;margin:0 6px;color:var(--or-f)}
.crumbs [aria-current]{color:var(--blanc)}

/* confiance */
.trust{position:relative;z-index:3;margin-top:-80px}
.trust-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);background:var(--blanc);border:1px solid var(--ligne);box-shadow:0 30px 60px -30px rgba(0,0,0,.35)}
.trust-list li{display:flex;gap:14px;padding:26px 24px;border-right:1px solid var(--ligne)}
.trust-list li:last-child{border-right:0}
.trust-list .ic{width:28px;height:28px;color:var(--or)}
.trust-list strong{display:block;font-size:15px;line-height:1.3;margin-bottom:4px}
.trust-list span{font-size:14px;color:var(--gris);line-height:1.45;display:block}

/* sections */
.section{padding:100px 0}
.section.alt{background:var(--creme)}
.section.dark{background:var(--noir);color:var(--blanc)}
.section.dark p{color:var(--gris-c)}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head p:last-child{color:var(--gris)}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.split3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.logo-panel{background:var(--blanc);padding:34px;position:relative}
.logo-panel::before{content:"";position:absolute;inset:14px -14px -14px 14px;border:1px solid var(--or);z-index:-1}
.section.dark .logo-panel{z-index:0}
.logo-panel img{display:block;width:100%;height:auto}

/* cartes prestations */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ligne);border:1px solid var(--ligne)}
.svc-card{position:relative;display:flex;flex-direction:column;padding:34px 30px;background:var(--blanc);text-decoration:none;color:var(--noir);transition:background .35s var(--ease)}
.svc-card::after{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--or-grad);transition:width .45s var(--ease)}
.svc-card:hover{background:var(--creme)}
.svc-card:hover::after{width:100%}
.svc-card h3{font-family:var(--serif);font-size:26px;font-weight:600;margin:18px 0 10px}
.svc-card p{color:var(--gris);font-size:15.5px;flex:1}
.svc-ic{display:inline-grid;place-items:center;width:52px;height:52px;border:1px solid var(--or);color:var(--or-f);border-radius:50%}
.svc-ic .ic{width:24px;height:24px}
.more{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;letter-spacing:.04em;color:var(--or-f)}
.more .ic{width:16px;transition:transform .3s}
.svc-card:hover .more .ic,.zone-card:hover .more .ic{transform:translateX(5px)}

.svc-card.cta{background:var(--noir);color:var(--blanc)}
.svc-card.cta p{color:var(--gris-c)}
.svc-card.cta:hover{background:var(--noir-3)}
.svc-card.cta .svc-ic{color:var(--or)}
.svc-card.cta .more{color:var(--or)}
/* process */
.process{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;counter-reset:s}
.process li{border-top:1px solid var(--noir);padding-top:22px}
.process .num{font:600 46px/1 var(--serif);background:var(--or-grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:14px}
.process p{color:var(--gris);font-size:15.5px}

/* urgence */
.urg{background:linear-gradient(120deg,#151517,#0b0b0c);color:var(--blanc);border-top:1px solid rgba(201,162,39,.3);border-bottom:1px solid rgba(201,162,39,.3)}
.urg-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.urg p{color:var(--gris-c);max-width:52ch}
.urg-cta{display:flex;flex-direction:column;align-items:flex-start;gap:18px}

/* chips communes */
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.chips a{display:block;padding:10px 18px;border:1px solid var(--ligne);border-radius:40px;text-decoration:none;font-weight:600;font-size:15px;transition:.25s}
.chips a:hover{border-color:var(--or);background:var(--noir);color:var(--blanc)}
.section .center{margin-top:34px}

/* FAQ */
.faq{border-top:1px solid var(--ligne)}
.faq-item{border-bottom:1px solid var(--ligne)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:24px 0;font:700 18px/1.4 var(--sans)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary span{flex:none;width:18px;height:18px;position:relative;margin-top:3px}
.faq-item summary span::before,.faq-item summary span::after{content:"";position:absolute;left:0;top:8px;width:18px;height:1.5px;background:var(--or-f);transition:transform .3s}
.faq-item summary span::after{transform:rotate(90deg)}
.faq-item[open] summary span::after{transform:rotate(0)}
.faq-item p{color:var(--gris);padding:0 40px 24px 0;margin:0}

/* contenu */
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:70px;align-items:start}
.prose .block{margin-bottom:56px}
.prose h2{font-size:clamp(30px,3.4vw,42px)}
.prose p,.prose li{color:#36363b}
.prose a{color:var(--or-f);font-weight:600}
.ticks{list-style:none;padding:0;margin:0 0 1em}
.ticks li{position:relative;padding:8px 0 8px 32px;border-bottom:1px solid var(--ligne)}
.ticks li::before{content:"";position:absolute;left:4px;top:17px;width:12px;height:7px;border-left:2px solid var(--or);border-bottom:2px solid var(--or);transform:rotate(-45deg)}
.steps{list-style:none;padding:0;margin:0;counter-reset:st}
.steps li{position:relative;padding:14px 0 14px 60px;border-bottom:1px solid var(--ligne);counter-increment:st}
.steps li::before{content:counter(st,decimal-leading-zero);position:absolute;left:0;top:10px;font:600 30px/1 var(--serif);color:var(--or)}
.cols{columns:2;column-gap:30px;padding-left:18px}
.cols li{margin-bottom:8px;break-inside:avoid}
.focus{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.focus a{display:flex;align-items:center;gap:18px;padding:20px;border:1px solid var(--ligne);text-decoration:none;color:var(--noir);transition:.3s var(--ease)}
.focus a:hover{border-color:var(--or);transform:translateX(4px)}
.focus h3{margin:0 0 4px}
.focus p{margin:0;font-size:15px;color:var(--gris)}
.focus a>.ic{margin-left:auto;color:var(--or-f)}
.side{position:sticky;top:150px;display:grid;gap:20px}
.side-card{background:var(--noir);color:var(--blanc);padding:30px;border-top:2px solid var(--or)}
.side-card p{color:var(--gris-c)}
.side-card.light{background:var(--creme);color:var(--noir);border-top-color:var(--ligne)}
.side-card.light p{color:var(--noir)}
.side-card .ic{color:var(--or);width:17px}
.side-tel a{font:600 34px/1.1 var(--serif);color:var(--blanc);text-decoration:none}
.side-links{list-style:none;padding:0;margin:0}
.side-links a{display:block;padding:10px 0;border-bottom:1px solid var(--ligne);text-decoration:none;font-weight:600}
.side-links a:hover{color:var(--or-f)}

/* zones */
.zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.zone-card{display:flex;flex-direction:column;padding:28px;border:1px solid var(--ligne);text-decoration:none;color:var(--noir);transition:.3s var(--ease)}
.zone-card:hover{border-color:var(--or);box-shadow:0 20px 40px -24px rgba(0,0,0,.3);transform:translateY(-3px)}
.zone-card .cp{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--or-f)}
.zone-card h3{font:600 28px/1.1 var(--serif);margin:8px 0 10px}
.zone-card p{color:var(--gris);font-size:15px;flex:1}

/* entreprise */
.values{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.values li{border-top:1px solid var(--or);padding-top:24px}
.values .ic{width:32px;height:32px;color:var(--or);margin-bottom:14px}
.values p{font-size:15.5px}
.infos{display:grid;grid-template-columns:180px 1fr;margin:0;border-top:1px solid var(--ligne)}
.infos dt,.infos dd{padding:14px 0;border-bottom:1px solid var(--ligne);margin:0}
.infos dt{font-weight:700}
.infos a{color:var(--or-f)}

/* réalisations / avis */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px}
.filters button{padding:9px 16px;border:1px solid var(--ligne);background:var(--blanc);border-radius:40px;font:600 14px var(--sans);cursor:pointer}
.filters button.on,.filters button:hover{background:var(--noir);color:var(--blanc);border-color:var(--noir)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery figure{margin:0;position:relative;overflow:hidden;background:var(--noir)}
.gallery img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s var(--ease)}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px;color:var(--blanc);font-size:14px;background:linear-gradient(transparent,rgba(0,0,0,.8))}
.gallery-empty{max-width:640px;margin:20px auto 0;text-align:center;padding:50px 30px;border:1px dashed var(--or)}
.gallery-empty h2{font-size:34px;margin-top:18px}
.gallery-empty p{color:var(--gris)}
.review-card{background:var(--noir);color:var(--blanc);padding:40px}
.review-card .ticks li{color:var(--gris-c);border-color:var(--trait)}
.stars{color:var(--or);margin-bottom:16px}
.stars .ic{width:22px;height:22px;fill:currentColor}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.reviews:empty{display:none}
.reviews blockquote{margin:0;padding:28px;background:var(--blanc);border-top:2px solid var(--or)}
.reviews cite{display:block;margin-top:12px;font-style:normal;font-weight:700;font-size:14px}

/* formulaire */
.quote{background:var(--creme);padding:44px;border-top:2px solid var(--or)}
.quote h2{font-size:38px}
.quote label{display:block;font-weight:600;font-size:14.5px;margin-bottom:18px}
.quote input:not([type=checkbox]),.quote select,.quote textarea{display:block;width:100%;margin-top:7px;padding:14px 15px;border:1px solid #d7d2c3;border-radius:var(--r);background:var(--blanc);font:400 16px var(--sans);color:var(--noir);transition:border-color .2s,box-shadow .2s}
.quote input:focus,.quote select:focus,.quote textarea:focus{outline:none;border-color:var(--or);box-shadow:0 0 0 3px rgba(201,162,39,.2)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.quote .consent{display:flex;gap:10px;font-weight:500;align-items:flex-start}
.quote .consent input{margin-top:5px;accent-color:var(--or-f);width:18px;height:18px;flex:none}
.quote .file input{padding:11px}
.hp{position:absolute;left:-9999px}
.legal h2{font-size:30px;margin-top:40px}

/* bandeau CTA + pied */
.cta-band{background:var(--or-grad);color:var(--noir);padding:60px 0}
.cta-band .kicker{color:var(--noir)!important;opacity:.7}
.cta-band h2{margin:0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn.gold{background:var(--noir);color:var(--blanc);box-shadow:none}
.cta-band .btn.ghost{color:var(--noir);border-color:var(--noir)}
.cta-band .btn.ghost:hover{background:var(--noir);color:var(--blanc)}
.site-foot{background:var(--noir);color:var(--gris-c);padding:80px 0 0;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.site-foot h3{color:var(--blanc);font-size:13px;letter-spacing:.2em;text-transform:uppercase;margin-bottom:18px}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin-bottom:9px}
.site-foot a{text-decoration:none}
.site-foot a:hover{color:var(--or-c)}
.foot-brand p{margin:20px 0}
.site-foot address{font-style:normal;line-height:2}
.site-foot address .ic{color:var(--or);width:16px;margin-right:6px}
.foot-legal{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:60px;padding:24px;border-top:1px solid var(--trait);font-size:13px}
.mobile-bar{display:none}

/* animations d'apparition */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}.draw path{stroke-dashoffset:0}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:1100px){
  .main-nav a,.sub-btn{padding:10px 8px}
  .btn-tel span{display:none}
  .svc-grid,.zone-grid{grid-template-columns:repeat(2,1fr)}
  .values,.process{grid-template-columns:repeat(2,1fr)}
  .trust-list{grid-template-columns:repeat(2,1fr)}
  .trust-list li:nth-child(2){border-right:0}
  .trust-list li:nth-child(-n+2){border-bottom:1px solid var(--ligne)}
}
@media (max-width:900px){
  .topbar span{display:none}
  .topbar .wrap{justify-content:center}
  .head-row{height:74px}
  .brand img{height:60px}
  .main-nav a,.sub-btn{color:var(--blanc)}
  .burger{display:block}
  .head-cta .btn{display:none}
  .btn-tel{width:44px;height:44px;justify-content:center;border:1px solid var(--ligne);border-radius:var(--r)}
  .main-nav{position:fixed;inset:110px 0 0 0;background:var(--noir);overflow-y:auto;padding:10px 24px 120px;transform:translateX(100%);transition:transform .4s var(--ease);margin:0}
  .main-nav:not(.open){visibility:hidden}
  .main-nav.open{transform:none}
  .main-nav>ul{flex-direction:column;gap:0}
  .main-nav>ul>li{border-bottom:1px solid var(--trait)}
  .main-nav a,.sub-btn{padding:18px 0;font-size:18px;width:100%;text-align:left}
  .sub{position:static;width:auto;transform:none;opacity:1;visibility:visible;display:none;grid-template-columns:1fr;box-shadow:none;border:0;padding:0 0 14px;background:transparent}
  .has-sub.open .sub{display:grid;transform:none}
  .has-sub:hover .sub{transform:none}
  .sub a{font-size:16px;padding:12px 0}
  .content-grid,.split{grid-template-columns:1fr;gap:44px}
  .split3{grid-template-columns:1fr}
  .side{position:static}
  .gallery,.reviews{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .urg-inner{flex-direction:column;align-items:flex-start}
  .mobile-bar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;box-shadow:0 -10px 30px -10px rgba(0,0,0,.5);padding-bottom:env(safe-area-inset-bottom,0)}
  .mobile-bar a{display:flex;align-items:center;justify-content:center;gap:8px;padding:16px;font-weight:700;text-decoration:none;background:var(--noir);color:var(--blanc)}
  .mobile-bar a:first-child{background:var(--or-grad);color:var(--noir)}
  body{padding-bottom:58px}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .brand img{height:56px}
  .hero{padding:70px 0 170px}
  .skyline{height:200px}
  .section{padding:70px 0}
  .svc-grid,.zone-grid,.values,.process,.gallery,.reviews,.trust-list,.foot-grid{grid-template-columns:1fr}
  .trust-list li{border-right:0;border-bottom:1px solid var(--ligne)}
  .row2{grid-template-columns:1fr;gap:0}
  .quote{padding:28px 20px}
  .hero-actions .btn{width:100%}
  .cols{columns:1}
  .infos{grid-template-columns:1fr}
  .infos dt{border-bottom:0;padding-bottom:0}
  .steps li{padding-left:48px}
}

.preview-note{margin-top:16px;padding:14px 16px;background:var(--noir);color:var(--blanc);border-left:3px solid var(--or)}

/* ---- Effets 3D ---- */
.center{text-align:center}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.chantiers h2 em,.dark h2 em{font-style:italic;background:var(--or-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.chantiers{overflow:hidden}
.ring{--w:clamp(170px,26vw,290px);--z:calc(var(--w) * 1.02);position:relative;height:calc(var(--w) * 1.62);perspective:1100px;perspective-origin:50% 40%;margin:10px auto 46px;touch-action:pan-y;cursor:grab;user-select:none;-webkit-user-select:none}
.ring.grab{cursor:grabbing}
.ring-stage{position:absolute;left:50%;top:0;width:var(--w);height:calc(var(--w) * 1.3);margin-left:calc(var(--w) / -2);transform-style:preserve-3d;transform:translateZ(calc(var(--z) * -1))}
.ring-card{position:absolute;inset:0;margin:0;transform:rotateY(calc(var(--i) * 60deg)) translateZ(var(--z));backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid rgba(201,162,39,.55);background:var(--noir-2);box-shadow:0 30px 60px -20px rgba(0,0,0,.8);filter:brightness(calc(1 - var(--dim,0) * .65))}
.ring-card img{display:block;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ring-card figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px;font-size:12.5px;line-height:1.4;color:var(--gris-c);background:linear-gradient(transparent,rgba(0,0,0,.88))}
.ring-card figcaption strong{display:block;color:var(--or-c);font-size:14px;margin-bottom:2px}
.ring::after{content:"";position:absolute;left:10%;right:10%;bottom:0;height:40px;background:radial-gradient(ellipse at center,rgba(201,162,39,.28),transparent 70%);filter:blur(6px)}
.frame3d{--rx:0deg;--ry:-8deg;position:relative;width:100%;max-width:420px;margin:0 auto;aspect-ratio:692/1000;perspective:1000px;transform:perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry));transform-style:preserve-3d;transition:transform .5s var(--ease)}
.frame3d>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:1px solid var(--or);box-shadow:30px 40px 70px -20px rgba(0,0,0,.85),-1px 0 0 var(--or)}
.frame3d::before{content:"";position:absolute;inset:-18px 18px 18px -18px;border:1px solid rgba(201,162,39,.5);transform:translateZ(-60px)}
.frame3d-badge{position:absolute;right:-22px;bottom:28px;width:58%;background:var(--blanc);padding:12px 14px;transform:translateZ(70px);box-shadow:0 20px 40px -10px rgba(0,0,0,.6);border-bottom:2px solid var(--or)}
.frame3d-badge img{display:block;width:100%;height:auto}
.g3d{perspective:1200px}
.g3d figure{--rx:0deg;--ry:0deg;transform:rotateX(var(--rx)) rotateY(var(--ry));transform-style:preserve-3d;transition:transform .45s var(--ease),box-shadow .45s;box-shadow:0 20px 40px -24px rgba(0,0,0,.6);animation:flip3d .9s var(--ease) backwards}
.g3d figure:nth-child(2){animation-delay:.08s}.g3d figure:nth-child(3){animation-delay:.16s}.g3d figure:nth-child(4){animation-delay:.24s}.g3d figure:nth-child(5){animation-delay:.32s}.g3d figure:nth-child(6){animation-delay:.4s}
.g3d figure:hover{box-shadow:0 34px 60px -24px rgba(0,0,0,.75)}
.g3d img{aspect-ratio:4/5}
@keyframes flip3d{from{opacity:0;transform:perspective(900px) rotateY(-28deg) rotateX(8deg) translateY(30px)}to{opacity:1}}
@media (max-width:700px){.frame3d{max-width:300px}.frame3d-badge{right:-10px}.ring{--w:clamp(150px,46vw,210px);--z:calc(var(--w) * 1.05)}}
@media (prefers-reduced-motion:reduce){.g3d figure{animation:none}.frame3d{transform:none}}

@media (hover:none){.frame3d,.g3d figure{transition:transform .15s linear}.frame3d::before{inset:-14px 14px 14px -14px}}