:root{
  --ink:#040D22;--navy:#0A1F44;--gold:#E3B04B;--gold-pale:#F7E0A8;
  --cream:#FBF8F1;--dim:rgba(251,248,241,.60);--line:rgba(227,176,75,.22);
  --shell:min(1180px,90vw);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--cream);font-family:'Manrope',system-ui,sans-serif;font-size:17px;line-height:1.65}
html{overflow-x:hidden}
body{overflow-x:hidden;width:100%;position:relative;overscroll-behavior-x:none}
h1,h2,h3{font-family:'Bodoni Moda',Georgia,serif;font-weight:500;line-height:1.08;letter-spacing:-.01em}
a{color:inherit}
img{display:block;max-width:100%}
.shell{width:var(--shell);margin-inline:auto}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* barre */
.bar{position:fixed;inset:0 0 auto;z-index:60;padding:14px 0;background:rgba(4,13,34,.75);backdrop-filter:blur(14px);border-bottom:1px solid rgba(227,176,75,.14)}
.bar .shell{display:flex;align-items:center;justify-content:space-between;gap:18px}
.mark{display:flex;align-items:center;gap:11px;text-decoration:none}
.mark img{width:40px;height:40px;border-radius:9px;object-fit:cover}
.mark b{font-family:'Bodoni Moda',serif;font-size:18px;font-weight:500}
.mark span{display:block;font-size:10px;letter-spacing:.3em;color:var(--gold);font-weight:700}
.nav{display:flex;gap:28px;font-size:14.5px;font-weight:500}
.nav a{text-decoration:none;color:var(--dim);transition:color .2s}
.nav a:hover,.nav a.on{color:var(--cream)}
.quote{padding:10px 19px;border-radius:100px;background:var(--gold);color:#20160A;font-size:14px;font-weight:700;text-decoration:none;transition:transform .2s;white-space:nowrap}
.quote:hover{transform:translateY(-2px)}
.burger{display:none;width:42px;height:38px;border:1px solid var(--line);border-radius:9px;background:none;cursor:pointer}
.burger i{display:block;width:18px;height:2px;background:var(--cream);margin:3px auto}
.mobnav{display:none;position:fixed;inset:68px 0 auto;z-index:59;background:rgba(4,13,34,.98);border-bottom:1px solid var(--line);padding:16px 0}
.mobnav a{display:block;padding:13px 5vw;text-decoration:none;color:var(--cream);border-bottom:1px solid rgba(251,248,241,.07)}
.mobnav.open{display:block}
@media(max-width:960px){.nav{display:none}.burger{display:block}}
@media(max-width:520px){.quote{display:none}}

/* boutons */
.btn{display:inline-block;padding:15px 30px;border-radius:100px;font-size:15px;font-weight:700;text-decoration:none;border:none;cursor:pointer;font-family:inherit;transition:transform .2s,box-shadow .2s,background .2s}
.btn.solid{background:var(--gold);color:#20160A;box-shadow:0 14px 34px -14px rgba(227,176,75,.8)}
.btn.solid:hover{transform:translateY(-3px)}
.btn.ghost{border:1px solid var(--line);color:var(--cream);background:none}
.btn.ghost:hover{background:rgba(227,176,75,.1);transform:translateY(-3px)}

/* hero */
.hero{position:relative;padding:150px 0 90px;overflow:hidden}
.aura{position:absolute;pointer-events:none;width:1000px;height:1000px;left:55%;top:-300px;background:radial-gradient(circle,rgba(227,176,75,.18) 0%,rgba(227,176,75,.06) 32%,transparent 66%);filter:blur(30px)}
.aura.two{left:-320px;top:200px;width:780px;height:780px;background:radial-gradient(circle,rgba(30,90,190,.28) 0%,transparent 65%)}
.hero .shell{position:relative;z-index:2}
.hero h1{font-size:clamp(2.4rem,5.2vw,4.2rem);max-width:17ch}
.hero h1 em{font-style:italic;color:var(--gold-pale)}
.hero .lede{margin-top:24px;max-width:52ch;color:var(--dim);font-size:1.06rem}
.acts{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}
.assure{display:flex;flex-wrap:wrap;gap:24px 44px;margin-top:46px;padding-top:28px;border-top:1px solid rgba(251,248,241,.10)}
.assure div{max-width:210px}
.assure b{display:block;font-family:'Bodoni Moda',serif;font-size:1.35rem;color:var(--gold-pale);font-weight:500}
.assure span{font-size:13.5px;color:var(--dim);line-height:1.5;display:block;margin-top:3px}

/* anneau 3D */
.ring-wrap{position:relative;margin-top:56px;height:420px;perspective:1500px;perspective-origin:50% 42%;cursor:grab;touch-action:pan-y}
.ring-wrap.drag{cursor:grabbing}
.ring{position:absolute;inset:0;transform-style:preserve-3d;will-change:transform}
.rc{position:absolute;left:50%;top:50%;width:210px;height:270px;margin:-135px 0 0 -105px;border-radius:14px;overflow:hidden;border:1px solid rgba(251,248,241,.16);box-shadow:0 30px 60px -22px rgba(0,0,0,.9);background:var(--navy)}
.rc img{width:100%;height:100%;object-fit:cover}
.rc figcaption{position:absolute;inset:auto 0 0;padding:20px 12px 10px;background:linear-gradient(transparent,rgba(4,13,34,.94));font-size:12px;font-weight:700;text-align:center}
.ring-floor{position:absolute;left:50%;bottom:22px;width:520px;height:90px;margin-left:-260px;background:radial-gradient(ellipse,rgba(227,176,75,.16),transparent 70%);filter:blur(14px);pointer-events:none}
.ring-hint{text-align:center;color:var(--dim);font-size:13px;margin-top:14px}
@media(max-width:760px){.ring-wrap{height:330px;perspective:1000px}.rc{width:150px;height:195px;margin:-97px 0 0 -75px}}

/* sections */
section.band{padding:100px 0;position:relative;overflow:hidden}
.head{max-width:62ch;margin-bottom:50px}
.head h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
.head p{margin-top:14px;color:var(--dim)}
.phead{padding:140px 0 50px;position:relative;overflow:hidden}
.phead h1{font-size:clamp(2.2rem,5vw,3.6rem);max-width:18ch}
.phead p{margin-top:16px;color:var(--dim);max-width:56ch}

/* services */
.svcs{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(251,248,241,.09);border:1px solid rgba(251,248,241,.09);border-radius:20px;overflow:hidden}
.svc{background:var(--ink);padding:42px 36px;transition:background .3s}
.svc:hover{background:#08183A}
.svc h3{font-size:1.45rem;margin-bottom:11px}
.svc p{color:var(--dim);font-size:15.5px}
.svc ul{margin-top:16px;list-style:none;font-size:14px;color:var(--gold-pale);display:flex;flex-wrap:wrap;gap:7px}
.svc li{padding:5px 12px;border:1px solid var(--line);border-radius:100px}
@media(max-width:820px){.svcs{grid-template-columns:1fr}.svc{padding:32px 24px}}

/* sites */
.sites{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.site{border:1px solid rgba(251,248,241,.12);border-radius:20px;padding:32px;background:linear-gradient(160deg,#0A1F44,#050F26);text-decoration:none;display:block;transition:border-color .3s,transform .3s}
.site:hover{border-color:var(--gold);transform:translateY(-4px)}
.site h3{font-size:1.5rem;margin-bottom:8px}
.site p{color:var(--dim);font-size:15px}
.site .url{margin-top:18px;display:inline-block;color:var(--gold);font-size:14px;font-weight:700}
@media(max-width:820px){.sites{grid-template-columns:1fr}}

/* carrousels */
.rail-head{display:flex;align-items:baseline;justify-content:space-between;gap:6px 20px;margin:64px 0 18px;flex-wrap:wrap}
.rail-head h3{font-size:1.5rem;flex:1 1 auto}
.rail-head span{color:var(--dim);font-size:14px;flex:0 1 auto}
@media(max-width:640px){.rail-head{margin:44px 0 14px}.rail-head h3{flex:1 0 100%;font-size:1.3rem}.rail-head span{font-size:13px}}
.rail{overflow:hidden;position:relative;cursor:grab;padding:6px 0;touch-action:pan-y;overscroll-behavior-x:contain}
.rail .track{transform:translateX(0)}
.rail.drag{cursor:grabbing}
.rail::before,.rail::after{content:"";position:absolute;top:0;bottom:0;width:70px;z-index:3;pointer-events:none}
.rail::before{left:0;background:linear-gradient(90deg,var(--ink),transparent)}
.rail::after{right:0;background:linear-gradient(-90deg,var(--ink),transparent)}
.track{display:flex;gap:16px;will-change:transform}
.card{flex:0 0 auto;width:200px;user-select:none;-webkit-touch-callout:none;border-radius:14px;overflow:hidden;border:1px solid rgba(251,248,241,.10);background:var(--navy);position:relative}
.card img{width:100%;aspect-ratio:1;object-fit:cover;pointer-events:none;-webkit-user-drag:none;user-select:none}
.card.tall img{aspect-ratio:4/5}
.card figcaption{position:absolute;inset:auto 0 0;padding:20px 12px 10px;background:linear-gradient(transparent,rgba(4,13,34,.94));font-size:12.5px;font-weight:600}
@media(max-width:600px){.card{width:150px}}

/* offre */
.offer{border:1px solid var(--line);border-radius:24px;background:linear-gradient(150deg,rgba(227,176,75,.13),rgba(10,31,68,.5));padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.price{font-family:'Bodoni Moda',serif;font-size:clamp(2.4rem,5.6vw,3.8rem);color:var(--gold-pale);line-height:1}
.price small{display:block;font-family:'Manrope',sans-serif;font-size:13px;letter-spacing:.2em;color:var(--gold);margin-bottom:12px;font-weight:700}
.offer ul{list-style:none;display:grid;gap:10px;font-size:15.5px}
.offer li{padding-left:25px;position:relative;color:var(--dim)}
.offer li::before{content:"";position:absolute;left:0;top:9px;width:11px;height:11px;border-radius:50%;border:2px solid var(--gold)}
.offer .note{margin-top:20px;font-size:13.5px;color:var(--dim)}
@media(max-width:820px){.offer{grid-template-columns:1fr;padding:34px 24px;gap:30px}}

/* formulaires */
.formwrap{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;align-items:start}
.formside h3{font-size:1.4rem;margin-bottom:12px}
.formside p{color:var(--dim);font-size:15px}
.formside ol{margin-top:22px;padding-left:20px;color:var(--dim);font-size:15px;display:grid;gap:9px}
form.mib{border:1px solid rgba(251,248,241,.12);border-radius:22px;padding:36px;background:linear-gradient(160deg,#0A1F44,#050F26)}
.f{margin-bottom:20px}
.f label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;color:var(--gold-pale)}
.f input[type=text],.f input[type=tel],.f input[type=email],.f select,.f textarea{
  width:100%;padding:14px 16px;border-radius:11px;background:rgba(4,13,34,.75);
  border:1px solid rgba(251,248,241,.16);color:var(--cream);font-family:inherit;font-size:15.5px;
}
.f textarea{min-height:130px;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--gold)}
.f input[type=file]{width:100%;font-size:14px;color:var(--dim);padding:12px 0}
.f .hint{font-size:12.5px;color:var(--dim);margin-top:6px}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.checks label{display:flex;align-items:center;gap:10px;padding:13px 15px;border:1px solid rgba(251,248,241,.16);border-radius:11px;font-size:14.5px;font-weight:500;color:var(--cream);cursor:pointer;transition:border-color .2s,background .2s}
.checks label:hover{border-color:var(--gold)}
.checks input{accent-color:var(--gold);width:17px;height:17px}
form.mib .btn{width:100%;margin-top:6px}
form.mib .legal{font-size:12.5px;color:var(--dim);margin-top:16px;text-align:center}
@media(max-width:900px){.formwrap{grid-template-columns:1fr;gap:36px}form.mib{padding:26px 20px}.checks{grid-template-columns:1fr}}

/* final + footer */
.final{text-align:center;padding:110px 0}
.final h2{font-size:clamp(2rem,4.6vw,3.4rem);max-width:17ch;margin-inline:auto}
.final p{color:var(--dim);margin:18px auto 32px;max-width:48ch}
footer{border-top:1px solid rgba(251,248,241,.10);padding:44px 0;font-size:14px;color:var(--dim)}
footer .shell{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
footer h4{font-family:'Manrope',sans-serif;font-size:12px;letter-spacing:.18em;color:var(--gold);margin-bottom:14px;font-weight:700}
footer a{color:var(--dim);text-decoration:none;display:block;padding:3px 0}
footer a:hover{color:var(--cream)}
@media(max-width:760px){footer .shell{grid-template-columns:1fr 1fr}}

.wa{position:fixed;right:20px;bottom:20px;z-index:70;width:56px;height:56px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 14px 32px -8px rgba(37,211,102,.6);transition:transform .2s}
.wa:hover{transform:scale(1.08)}
.wa svg{width:29px;height:29px;fill:#fff}

@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}