:root{color-scheme:dark;--bg:#0b0d10;--bg2:#12151a;--card:#161a20;--line:#262b33;--ink:#f2f0eb;--mute:#9aa1ab;--gold:#c9a45c;--gold2:#e2c58b}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;font-weight:300;background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
h1,h2,h3{font-family:"Cormorant Garamond",Georgia,serif;font-weight:500;letter-spacing:.01em;line-height:1.1}
.wrap{max-width:1200px;margin:auto;padding:0 24px}
.eyebrow{font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);font-weight:500}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 32px;border:1px solid var(--gold);color:var(--bg);background:var(--gold);font:500 .78rem Inter,sans-serif;letter-spacing:.2em;text-transform:uppercase;cursor:pointer;transition:.25s}
.btn:hover{background:var(--gold2);border-color:var(--gold2)}
.btn.line{background:transparent;color:var(--ink);border-color:rgba(255,255,255,.35)}
.btn.line:hover{border-color:var(--gold);color:var(--gold)}

/* En-tête */
header{position:fixed;inset:0 0 auto;z-index:10;transition:.3s}
header.s,header.open{background:rgba(11,13,16,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo{font-family:"Cormorant Garamond",serif;font-size:1.9rem;letter-spacing:.18em;text-transform:uppercase}
.logo b{color:var(--gold);font-weight:500}
nav{display:flex;align-items:center;gap:30px;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase}
nav a:not(.btn){color:var(--mute)}nav a:not(.btn):hover{color:var(--ink)}
nav .btn{padding:12px 22px}
#burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:7px;align-items:flex-end}
#burger span{display:block;height:1px;width:28px;background:var(--ink);transition:.3s}
.open #burger span:first-child{transform:translateY(4px) rotate(45deg)}
.open #burger span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* Accueil */
.hero{min-height:100vh;display:flex;align-items:flex-end;padding:120px 0 12vh;background:linear-gradient(180deg,rgba(11,13,16,.4) 0%,rgba(11,13,16,.6) 50%,var(--bg) 100%),url(img/hero.jpg) center/cover}
.hero h1{font-size:clamp(2.8rem,7vw,5.8rem);max-width:900px;margin:18px 0 24px}
.hero h1 em,.pagehero h1 em{color:var(--gold);font-style:italic}
.hero p{max-width:560px;color:#d3d0c8;font-size:1.08rem;margin-bottom:40px}
.ctas{display:flex;gap:14px;flex-wrap:wrap}
.stats{display:flex;gap:56px;margin-top:70px;flex-wrap:wrap}
.stats div{border-left:1px solid var(--gold);padding-left:18px}
.stats b{display:block;font-family:"Cormorant Garamond",serif;font-size:2.2rem;font-weight:500}
.stats span{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}

/* Bandeau des pages intérieures */
.pagehero{padding:200px 0 90px;background:linear-gradient(180deg,rgba(11,13,16,.55),var(--bg)),var(--img) center/cover}
.pagehero h1{font-size:clamp(2.6rem,6vw,4.6rem);margin:16px 0 18px;max-width:820px}
.pagehero p{max-width:620px;color:#d3d0c8;font-size:1.05rem}

section{padding:130px 0}
section.alt{background:var(--bg2)}
.head{max-width:680px;margin-bottom:70px}
h2{font-size:clamp(2.2rem,4.5vw,3.5rem);margin:16px 0 18px}
.head p,.mute{color:var(--mute)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.split>img{width:100%;aspect-ratio:4/5;object-fit:cover}
.feat{display:grid;gap:30px;margin-top:40px}
.feat>div{display:grid;grid-template-columns:44px 1fr;gap:18px}
.feat i{font-style:normal;font-family:"Cormorant Garamond",serif;font-size:1.6rem;color:var(--gold)}
.feat b{font-weight:500;display:block;margin-bottom:4px}
.feat p{color:var(--mute);font-size:.95rem}

/* Gammes */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.tier{background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;transition:.3s}
.tier:hover{border-color:var(--gold)}
.ph{position:relative;aspect-ratio:16/11;overflow:hidden}
.ph img{width:100%;height:100%;object-fit:cover;transition:.6s}
.tier:hover .ph img{transform:scale(1.05)}
.ph span{position:absolute;top:18px;left:18px;background:var(--gold);color:var(--bg);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;padding:6px 12px;font-weight:600}
.bd{padding:34px 30px;display:flex;flex-direction:column;flex:1}
.tier h3{font-size:2.3rem}
.range{color:var(--gold);font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin:6px 0 14px}
.bd>p{color:var(--mute);font-size:.93rem;margin-bottom:22px}
.svc{border-top:1px solid var(--line);padding:16px 0}
.svc div{display:flex;justify-content:space-between;gap:14px;font-weight:500;font-size:.95rem}
.svc div span:last-child{color:var(--gold);text-align:right;flex-shrink:0;max-width:45%;font-family:"Cormorant Garamond",serif;font-size:1.2rem;line-height:1.3}
.svc p{font-size:.85rem;color:var(--mute);margin-top:4px}
.bd .btn{margin-top:auto}
.sp{flex:1;min-height:24px}
.note{text-align:center;color:var(--mute);font-size:.85rem;margin-top:44px}

.band{padding:150px 0;text-align:center;background:linear-gradient(rgba(11,13,16,.72),rgba(11,13,16,.85)),url(img/mousse.jpg) center 40%/cover fixed}
.band h2{font-size:clamp(2.2rem,5vw,4rem);max-width:820px;margin:18px auto 24px}
.band p{max-width:620px;margin:0 auto 34px;color:#d3d0c8}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.steps div{background:var(--bg);padding:40px 30px}
.steps b{font-family:"Cormorant Garamond",serif;font-size:3rem;color:var(--gold);font-weight:500;display:block;line-height:1}
.steps h3{font-size:1.5rem;margin:16px 0 10px}
.steps p{color:var(--mute);font-size:.92rem}

/* Cartes (contact, valeurs) */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.cards>div{background:var(--card);border:1px solid var(--line);padding:34px 30px}
.cards h3{font-size:1.6rem;margin:10px 0 8px}
.cards p{color:var(--mute);font-size:.93rem}

/* Avis */
.avis{border:1px solid var(--line);padding:60px 40px;text-align:center;background:var(--card)}
.avis .stars{color:var(--gold);font-size:1.6rem;letter-spacing:.3em}
.avis h3{font-size:2rem;margin:14px 0 10px}
.avis p{color:var(--mute);max-width:560px;margin:0 auto 28px}

/* FAQ */
.faq{max-width:860px}
.faq h2{font-size:2rem;margin:60px 0 10px}
.faq h2:first-child{margin-top:0}
details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:24px 40px 24px 0;font-weight:500;font-size:1.05rem;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:4px;top:18px;font-size:1.6rem;color:var(--gold);transition:.3s;font-weight:300}
details[open] summary:after{transform:rotate(45deg)}
details p{color:var(--mute);padding:0 40px 24px 0}

/* Pages légales */
.prose{max-width:820px}
.prose h2{font-size:1.9rem;margin:50px 0 14px}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:#c4c8ce;margin-bottom:12px}
.prose ul{padding-left:22px;margin-bottom:12px}
.prose a{color:var(--gold)}
.prose strong{color:var(--ink);font-weight:500}

/* Formulaires */
.devis{display:grid;grid-template-columns:1fr 1.3fr;gap:80px}
.devis aside img{width:100%;aspect-ratio:1;object-fit:cover;object-position:center 60%;margin-top:36px}
form{display:grid;grid-template-columns:1fr 1fr;gap:26px 24px;align-content:start}
label{display:grid;gap:8px;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--mute)}
input,select,textarea{font:300 1rem Inter,sans-serif;color:var(--ink);background:transparent;border:0;border-bottom:1px solid var(--line);padding:10px 0;width:100%;border-radius:0}
select option{background:var(--bg2)}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--gold)}
.check{display:flex;gap:12px;align-items:flex-start;text-transform:none;letter-spacing:0;font-size:.85rem}
.check input{width:auto;margin-top:5px;accent-color:var(--gold)}
.check a{color:var(--gold)}
.full{grid-column:1/-1}
.ok{display:none;color:var(--gold2);font-size:.92rem}

/* Pied de page */
footer{border-top:1px solid var(--line);padding:70px 0 40px;font-size:.88rem;color:var(--mute);line-height:2}
.cols{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.3fr;gap:40px;margin-bottom:50px}
footer h4{color:var(--ink);font-weight:500;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:10px}
footer a:hover{color:var(--gold)}
.copy{border-top:1px solid var(--line);padding-top:28px;font-size:.78rem}

.js .rv{opacity:0;transform:translateY(24px);transition:opacity .9s,transform .9s}
.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none}html{scroll-behavior:auto}}
@media(max-width:1060px){
  #burger{display:flex}
  nav{display:none;position:absolute;top:84px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:rgba(11,13,16,.98);border-bottom:1px solid var(--line);padding:10px 24px 26px}
  .open nav{display:flex}
  nav a:not(.btn){padding:16px 0;border-bottom:1px solid var(--line)}
  nav .btn{margin-top:20px}
}
@media(max-width:960px){.tiers,.split,.devis{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.split,.devis{gap:50px}.cols{grid-template-columns:1fr 1fr}.band{background-attachment:scroll}}
@media(max-width:600px){section{padding:90px 0}.wrap{padding:0 16px}.steps,.cols{grid-template-columns:1fr}form{grid-template-columns:1fr}.stats{gap:30px}.logo{font-size:1.5rem}.pagehero{padding:150px 0 60px}.avis{padding:44px 22px}}