:root{--g:#0e2b52;--g2:#183f73;--y:#f39a1e;--y2:#ffb547;--cr:#f7f3ec;--w:#fff;--fg:#12213a;--mut:#5a6577;--line:rgba(14,43,82,.14);--r:20px}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{font:17px/1.6 Inter,system-ui,sans-serif;color:var(--fg);background:var(--cr);-webkit-text-size-adjust:100%}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:Archivo,Inter,sans-serif;line-height:1.04;letter-spacing:-.015em;text-wrap:balance}
.wrap{width:min(1180px,100% - 36px);margin-inline:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 26px;border-radius:14px;font:800 1.02rem Archivo,sans-serif;text-decoration:none;border:0;cursor:pointer;text-transform:uppercase;letter-spacing:.02em;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn.y{background:var(--y);color:var(--g)}.btn.y:hover{background:var(--y2)}
.btn.wa{background:#1faa59;color:#fff}.btn.wa:hover{background:#27c168}
.btn.o{border:2px solid rgba(255,255,255,.6);color:#fff}.btn.o:hover{background:rgba(255,255,255,.14)}
.btn.big{font-size:1.25rem;padding:20px 30px}
/* en-tête */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:8px 0}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--g)}
.logo img{height:42px;width:auto}.logo span{font:800 .98rem Archivo;text-transform:uppercase;line-height:1.05}.logo b{color:#c9730f;display:block;font-size:.7rem;letter-spacing:.08em}
nav.mn{display:flex;gap:24px;font-weight:600;font-size:.95rem}
nav.mn a{text-decoration:none;color:var(--g)}nav.mn a:hover{color:#c9730f}
.hd .btn{padding:11px 18px;font-size:.92rem;white-space:nowrap}
@media(max-width:860px){nav.mn{display:none}}
@media(max-width:430px){.logo span{display:none}}
/* hero plein écran */
.hero{position:relative;color:#fff;isolation:isolate;min-height:min(82vh,760px);display:flex;align-items:flex-end;background:var(--g)}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(8,26,51,.4) 0%,rgba(8,26,51,.5) 40%,rgba(8,26,51,.92) 100%)}
.hero-in{padding-block:90px 110px;max-width:900px}
.tag{display:inline-block;background:var(--y);color:var(--g);font:800 .78rem Archivo;text-transform:uppercase;letter-spacing:.1em;padding:7px 13px;border-radius:8px;margin-bottom:18px}
.hero h1{font-size:clamp(2.5rem,7vw,5rem);font-weight:900;text-transform:uppercase;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero h1 em{font-style:normal;color:var(--y)}
.hero .lead{font-size:clamp(1.05rem,2.2vw,1.35rem);margin:18px 0 26px;max-width:36em;color:#f1f5fb;text-shadow:0 1px 12px rgba(0,0,0,.4)}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.pts{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:26px;font-weight:600;font-size:.98rem;list-style:none;padding:0}
.pts li::before{content:"✓ ";color:var(--y);font-weight:900}
@media(max-width:700px){.hero{min-height:88vh}.hero-in{padding-block:70px 100px}.btn.big{width:100%}}
/* barre de devis chevauchante */
.bar{position:relative;z-index:5;margin-top:-62px;background:var(--w);color:var(--fg);border-radius:22px;padding:22px 24px 16px;box-shadow:0 24px 60px rgba(8,26,51,.28);display:grid;grid-template-columns:repeat(4,1fr) auto;gap:14px;align-items:end}
.bar-h{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:4px 14px;align-items:baseline}.bar-h b{font:900 1.25rem Archivo;text-transform:uppercase}.bar-h span{color:var(--mut);font-size:.92rem}
label{display:block;font-weight:600;font-size:.85rem;margin:0 0 5px}
input,select,textarea{width:100%;padding:13px 14px;border:1.5px solid #cdd4de;border-radius:10px;font:inherit;background:#fff;color:var(--fg)}
input:focus,select:focus,textarea:focus{outline:3px solid var(--y);border-color:var(--g)}
.bar .btn{margin:0;padding:14px 22px;white-space:nowrap}
.bar .ft,.bar #done{grid-column:1/-1;margin:0}.ft{font-size:.8rem;color:var(--mut)}
.hp{position:absolute;left:-9999px}#done{display:none;font-weight:600;color:var(--g2)}
[hidden]{display:none!important}
@media(max-width:1000px){.bar{grid-template-columns:1fr 1fr}.bar .btn{grid-column:1/-1}}
@media(max-width:560px){.bar{grid-template-columns:1fr;padding:18px 16px;margin-top:-50px}}
/* sections */
section{padding-block:84px}
.k{font:800 .8rem Archivo;text-transform:uppercase;letter-spacing:.14em;color:#b2680c;margin-bottom:10px}
h2.t{font-size:clamp(1.9rem,4.6vw,3.2rem);font-weight:900;text-transform:uppercase;max-width:18em}
.sub{color:var(--mut);max-width:42em;margin-top:14px}
.dark{background:var(--g);color:#fff}.dark .k{color:var(--y)}.dark .sub{color:#cdd8e8}
/* tuiles de choix */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
@media(max-width:900px){.tiles{grid-template-columns:1fr 1fr}}@media(max-width:580px){.tiles{grid-template-columns:1fr}}
.tile{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:290px;border-radius:var(--r);overflow:hidden;text-decoration:none;color:#fff;isolation:isolate;box-shadow:0 10px 30px rgba(14,43,82,.15);transition:transform .2s,box-shadow .2s}
.tile:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(14,43,82,.28)}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s}
.tile:hover img{transform:scale(1.06)}
.tile::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(8,26,51,0) 30%,rgba(8,26,51,.9) 100%)}
.tile .ic{position:absolute;top:16px;left:16px;width:48px;height:48px;border-radius:14px;background:var(--y);color:var(--g);display:grid;place-items:center}
.tile .ic svg{width:26px;height:26px}
.tile b{display:block;font:900 1.35rem/1.1 Archivo;text-transform:uppercase;padding:0 20px}
.tile small{display:block;padding:6px 20px 20px;font-weight:600;color:var(--y2)}
/* avant / après */
.ba2{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;margin-top:10px}
@media(max-width:860px){.ba2{grid-template-columns:1fr}}
.ba2 figure{position:relative;margin:0}.ba2 img{width:100%;border-radius:var(--r);aspect-ratio:4/5;object-fit:cover;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.chip{position:absolute;background:var(--y);color:var(--g);font:800 .8rem Archivo;text-transform:uppercase;letter-spacing:.06em;padding:7px 12px;border-radius:9px;box-shadow:0 6px 18px rgba(0,0,0,.35)}
.chip.a{left:14px;top:14px;background:#fff}
/* étapes */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
@media(max-width:800px){.steps{grid-template-columns:1fr}}
.st{background:var(--w);border-radius:var(--r);padding:28px;border:1px solid var(--line);position:relative}
.st .n{display:grid;place-items:center;width:56px;height:56px;border-radius:16px;background:var(--g);color:var(--y);margin-bottom:16px}
.st .n svg{width:30px;height:30px}
.st h3{font:900 1.3rem Archivo;text-transform:uppercase;margin-bottom:6px}.st p{color:var(--mut)}
/* galerie */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:38px}
@media(max-width:900px){.gal{grid-template-columns:1fr 1fr}}
.gal figure{margin:0;overflow:hidden;border-radius:16px;background:#dcd6c9}.gal img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}.gal figure:hover img{transform:scale(1.07)}

/* nacelle */
.nac{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:860px){.nac{grid-template-columns:1fr}}
.nac img{border-radius:var(--r);width:100%;aspect-ratio:4/3;object-fit:cover}
.li{list-style:none;padding:0;margin-top:22px;display:grid;gap:16px}
.li li{display:grid;grid-template-columns:44px 1fr;gap:14px}.li i{font:900 1.1rem Archivo;font-style:normal;width:44px;height:44px;border-radius:50%;background:var(--y);color:var(--g);display:grid;place-items:center}
.li b{display:block;font:800 1.1rem Archivo;text-transform:uppercase}.li span{color:#cdd8e8;font-size:.95rem}
/* cartes services (pages internes) */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.grid{grid-template-columns:1fr}}
.sv{background:var(--w);border-radius:18px;overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.sv img{aspect-ratio:4/3;object-fit:cover;width:100%}.sv div{padding:20px}
.sv h3{font-size:1.2rem;font-weight:800;text-transform:uppercase;margin-bottom:8px}.sv p{color:var(--mut);font-size:.96rem}
a.zc{display:block;background:var(--w);border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none}a.zc:hover{border-color:var(--g2)}a.zc b{display:block;font:800 1.02rem Archivo;text-transform:uppercase}a.zc span{color:var(--mut);font-size:.92rem}
.zones{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.zones a{padding:10px 16px;border-radius:99px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);font-weight:600;text-decoration:none;color:#fff;transition:.15s}
.zones a:hover{background:var(--y);color:var(--g);border-color:var(--y)}
.zones.lt a{background:var(--w);border-color:var(--line);color:var(--g)}.zones.lt a:hover{background:var(--y)}
/* pages internes */
.bc{background:var(--cr);border-bottom:1px solid var(--line);font-size:.85rem;color:var(--mut)}.bc .wrap{padding-block:10px}.bc a{color:var(--g2);text-decoration:none}
.prose .two{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start;margin-top:30px}.prose .two img{border-radius:18px;width:100%;aspect-ratio:4/3;object-fit:cover}.prose .two p{margin-bottom:14px}
@media(max-width:800px){.prose .two{grid-template-columns:1fr}}
.chk{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}@media(max-width:700px){.chk{grid-template-columns:1fr}}
.chk li{background:var(--w);border:1px solid var(--line);border-radius:12px;padding:14px 16px 14px 44px;position:relative;font-weight:600}.chk li::before{content:"✓";position:absolute;left:16px;color:var(--g2);font-weight:900}
.lt2 li{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff}.lt2 li::before{color:var(--y)}
.why2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}@media(max-width:800px){.why2{grid-template-columns:1fr}}
.mid{margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;background:var(--g);color:#fff;border-radius:18px;padding:22px 26px}.mid b{display:block;font:800 1.15rem Archivo;text-transform:uppercase}.mid span{color:#cdd8e8;font-size:.95rem}
details{background:var(--w);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-top:12px}
summary{font:800 1.05rem Archivo;cursor:pointer;text-transform:uppercase;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";color:var(--g2);font-size:1.4rem;line-height:1}details[open] summary::after{content:"–"}
details p{color:var(--mut);margin-top:10px}
.art{max-width:760px;padding-block:56px}.art h1{font:900 clamp(1.9rem,5vw,2.8rem)/1.08 Archivo;text-transform:uppercase;margin-bottom:14px}.art h2{font:800 1.4rem Archivo;text-transform:uppercase;margin:32px 0 8px}.art p{margin-bottom:12px}
/* bande finale */
.final{background:var(--y);color:var(--g);text-align:center}
.final h2{font-size:clamp(2rem,5vw,3.4rem);font-weight:900;text-transform:uppercase;max-width:15em;margin-inline:auto}
.final p{margin:14px auto 22px;max-width:32em;font-weight:500}
.final .tel{display:block;font:900 clamp(2.2rem,8vw,5rem)/1 Archivo;text-decoration:none;color:var(--g);margin:6px 0 22px;letter-spacing:-.02em}
.final .cta{justify-content:center}.final .btn.g{background:var(--g);color:#fff}
/* pied de page */
footer{background:#081a33;color:#b9c7d8;padding-block:44px;font-size:.92rem}
.fgrid{display:grid!important;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:26px}@media(max-width:800px){.fgrid{grid-template-columns:1fr 1fr}}@media(max-width:500px){.fgrid{grid-template-columns:1fr}}
.fgrid a{display:block;margin-top:6px;text-decoration:none;color:#b9c7d8}.fgrid a:hover{color:var(--y)}.fh{display:block;color:#fff;margin-bottom:4px;font-family:Archivo}
.mob{display:none}
@media(max-width:700px){.mob{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;box-shadow:0 -6px 24px rgba(0,0,0,.25)}
.mob a{padding:16px;text-align:center;font:800 1rem Archivo;text-transform:uppercase;text-decoration:none}.mob .c{background:var(--y);color:var(--g)}.mob .w{background:#1faa59;color:#fff}body{padding-bottom:56px}}
/* révélation douce */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .6s,transform .6s}.js .rv.in{opacity:1;transform:none}