/* ATELIER CENTURION — feuille de style principale
   Direction : noir profond, ivoire, acier, une touche de champagne.
   Mise en page : grandes respirations, photographies bord à bord, texte serré à ~65 caractères. */

@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/cormorant-garamond-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:italic;font-weight:400;font-display:swap;src:url(../fonts/cormorant-garamond-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/cormorant-garamond-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Jost";font-style:normal;font-weight:300;font-display:swap;src:url(../fonts/jost-latin-300-normal.woff2) format("woff2")}
@font-face{font-family:"Jost";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/jost-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Jost";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/jost-latin-500-normal.woff2) format("woff2")}

:root{
  --noir:#080808;
  --noir-2:#111111;
  --noir-3:#1a1a1a;
  --ivoire:#F5F3EE;
  --ivoire-2:#d9d6cf;
  --acier:#8A8A8A;
  --champagne:#C5B493;
  --ligne:rgba(245,243,238,.14);
  --display:"Cormorant Garamond","Iowan Old Style","Times New Roman",serif;
  --body:"Jost","Helvetica Neue",Arial,sans-serif;
  --gutter:clamp(20px,4vw,56px);
  --max:1320px;
  --ease:cubic-bezier(.22,.61,.36,1);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--noir);color:var(--ivoire-2);font-family:var(--body);font-weight:300;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,picture,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
:focus-visible{outline:1px solid var(--champagne);outline-offset:4px}
h1,h2,h3{font-family:var(--display);font-weight:400;color:var(--ivoire);line-height:1.04;margin:0;text-wrap:balance}
p{margin:0}
.skip{position:absolute;left:-999px;top:8px;background:var(--ivoire);color:var(--noir);padding:10px 16px;z-index:100}
.skip:focus{left:8px}

.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.eyebrow{font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--champagne)}
.lead{font-size:clamp(18px,1.5vw,20px);color:var(--ivoire-2);max-width:62ch}
.prose{display:flex;flex-direction:column;gap:18px;max-width:64ch}
.prose p{color:var(--ivoire-2)}
.muted{color:var(--acier)}
.h-xl{font-size:clamp(46px,7.4vw,104px);letter-spacing:-.01em}
.h-l{font-size:clamp(36px,4.6vw,62px)}
.h-m{font-size:clamp(28px,2.8vw,38px)}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:50px;padding:0 28px;font-family:var(--body);font-size:12px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;border:1px solid var(--ivoire);color:var(--ivoire);background:transparent;cursor:pointer;position:relative;overflow:hidden;transition:color .5s var(--ease),border-color .5s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;background:var(--ivoire);transform:scaleX(0);transform-origin:right;transition:transform .6s var(--ease);z-index:-1}
.btn:hover{color:var(--noir)}
.btn:hover::before{transform:scaleX(1);transform-origin:left}
.btn--plein{background:var(--ivoire);color:var(--noir)}
.btn--plein::before{background:var(--champagne)}
.btn--plein:hover{color:var(--noir);border-color:var(--champagne)}
.btn{isolation:isolate}
.lien{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--ivoire)}
.lien::after{content:"";width:34px;height:1px;background:var(--champagne);transition:width .5s var(--ease)}
.lien:hover::after{width:56px}

/* En-tête */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .5s var(--ease),border-color .5s var(--ease),opacity .5s var(--ease),transform .5s var(--ease);border-bottom:1px solid transparent}
.site-header.is-solid{background:rgba(8,8,8,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--ligne)}
.home .site-header{opacity:0;transform:translateY(-12px);pointer-events:none}
.home.intro-done .site-header,.no-anim .site-header{opacity:1;transform:none;pointer-events:auto}
.header-in{max-width:var(--max);margin:0 auto;padding:16px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:38px;width:auto}
.brand span{font-family:var(--display);font-size:17px;font-weight:500;letter-spacing:.3em;color:var(--ivoire);white-space:nowrap}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--ivoire-2);position:relative;padding:6px 0}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--champagne);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.nav a:not(.btn):hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav .btn{min-height:44px;padding:0 20px}
.menu-toggle{display:none;background:none;border:0;color:var(--ivoire);width:44px;height:44px;cursor:pointer;padding:0}
.menu-toggle span{display:block;width:24px;height:1px;background:currentColor;margin:6px auto;transition:transform .4s var(--ease)}
.menu-open .menu-toggle span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-open .menu-toggle span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
@media (max-width:1080px){
  .menu-toggle{display:block}
  .nav{position:fixed;inset:0;background:var(--noir);flex-direction:column;justify-content:center;gap:26px;opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility .4s}
  .nav a{font-size:14px}
  .menu-open .nav{opacity:1;visibility:visible}
  .menu-toggle{position:relative;z-index:2}
}
@media (max-width:520px){.brand span{font-size:14px;letter-spacing:.22em}.brand img{height:32px}}

/* Introduction signature */
.intro{position:relative;height:100vh;height:100svh;min-height:560px;overflow:hidden;background:var(--noir)}
.intro-photo,.intro-shade{position:absolute;inset:0}
.intro-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 55%}
.intro-shade{background:linear-gradient(180deg,rgba(8,8,8,.7) 0%,rgba(8,8,8,.35) 42%,rgba(8,8,8,.88) 100%)}
.intro-mark{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:28px;pointer-events:none}
.helmet{position:relative;width:clamp(110px,15vw,190px);aspect-ratio:346.59/454.98;will-change:transform}
.helmet img{width:100%;height:100%}
.helmet-sheen{position:absolute;inset:0;-webkit-mask:url(../img/casque.svg) center/contain no-repeat;mask:url(../img/casque.svg) center/contain no-repeat;background:linear-gradient(105deg,transparent 38%,rgba(255,255,255,.95) 50%,transparent 62%);background-size:320% 100%;background-position:120% 0;mix-blend-mode:overlay;opacity:.9}
.intro-name{font-family:var(--display);font-weight:500;font-size:clamp(20px,2.6vw,32px);letter-spacing:.46em;margin-right:-.46em;color:var(--ivoire);white-space:nowrap}
.intro-cue{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:14px;font-size:11px;letter-spacing:.36em;margin-right:-.36em;color:var(--acier);text-transform:uppercase}
.intro-cue i{display:block;width:1px;height:44px;background:linear-gradient(var(--champagne),transparent);transform-origin:top;animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);opacity:0}30%{opacity:1}70%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}
.hero-content{position:absolute;left:0;right:0;bottom:0;padding:0 var(--gutter) clamp(56px,9vh,96px);display:flex;flex-direction:column;align-items:center;text-align:center;gap:22px}
.hero-content .lead{color:var(--ivoire-2);max-width:46ch}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:8px}
/* État sans animation : la photo et le texte sont visibles, le casque reste discret en haut */
.no-anim .intro-mark{top:15%;transform:translate(-50%,0);gap:16px}
.no-anim .helmet{width:72px}
.no-anim .intro-name{font-size:16px}
.no-anim .intro-cue{display:none}

/* Sections */
.section{padding:clamp(80px,11vw,150px) 0}
.section--ivoire{background:var(--ivoire);color:#2b2a27}
.section--ivoire h1,.section--ivoire h2,.section--ivoire h3{color:#111}
.section--ivoire .eyebrow{color:#7a6a48}
.section--ivoire .prose p,.section--ivoire .lead{color:#3b3a36}
.section--ivoire .lien{color:#111}
.section--ivoire .muted{color:#5f5d58}
.section--gris{background:var(--noir-2)}
.head{display:flex;flex-direction:column;gap:20px;margin-bottom:clamp(40px,5vw,72px);max-width:760px}
.head--center{margin-left:auto;margin-right:auto;text-align:center;align-items:center}
.split{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(28px,4vw,64px);align-items:center}
.split > .media{grid-column:span 6}
.split > .text{grid-column:span 6;display:flex;flex-direction:column;gap:24px}
.split--rev > .media{order:2}
@media (max-width:860px){.split > .media,.split > .text{grid-column:1 / -1}.split--rev > .media{order:0}}
.media{position:relative;overflow:hidden;background:var(--noir-3)}
.media img{width:100%;height:100%;object-fit:cover}
.ratio-45{aspect-ratio:4/5}
.ratio-11{aspect-ratio:1/1}
.ratio-34{aspect-ratio:3/4}
.ratio-wide{aspect-ratio:16/9}

/* Page hero (pages intérieures) */
.page-hero{position:relative;min-height:min(78vh,720px);display:flex;align-items:flex-end;padding:140px 0 clamp(56px,7vw,96px);overflow:hidden}
.page-hero .bg{position:absolute;inset:0}
.page-hero .bg img{width:100%;height:100%;object-fit:cover}
.page-hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,8,8,.55),rgba(8,8,8,.25) 40%,rgba(8,8,8,.92))}
.page-hero .wrap{position:relative;display:flex;flex-direction:column;gap:22px;width:100%}
.page-hero--plain{min-height:auto;padding-top:170px;border-bottom:1px solid var(--ligne)}

/* Cartes prestations */
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
@media (max-width:1100px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.cards{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;gap:18px}
.card .media{aspect-ratio:4/5}
.card .media img{transition:transform 1.4s var(--ease)}
.card:hover .media img{transform:scale(1.045)}
.card .num{font-family:var(--display);font-style:italic;color:var(--champagne);font-size:18px}
.card h3{font-size:clamp(26px,2.2vw,32px)}
.card p{font-size:15px;color:var(--acier)}

/* Processus */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border-top:1px solid var(--ligne)}
.steps li{padding:30px 26px 0 0;display:flex;flex-direction:column;gap:12px;position:relative}
.steps li::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--champagne)}
.steps .n{font-family:var(--display);font-style:italic;color:var(--champagne);font-size:18px}
.steps h3{font-size:26px}
.steps p{font-size:15px;color:var(--acier)}
@media (max-width:980px){.steps{grid-template-columns:1fr 1fr;row-gap:36px}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.section--ivoire .steps{border-color:rgba(0,0,0,.15)}
.section--ivoire .steps p{color:#5f5d58}

/* Comparateur avant / après */
.compare{position:relative;max-width:860px;margin:0 auto;aspect-ratio:1/1;overflow:hidden;background:var(--noir-3);--pos:50%;user-select:none;touch-action:pan-y}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.compare .before{clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.compare .bar{position:absolute;top:0;bottom:0;left:var(--pos);width:1px;background:var(--ivoire);transform:translateX(-.5px);pointer-events:none}
.compare .knob{position:absolute;top:50%;left:var(--pos);width:58px;height:58px;border:1px solid var(--ivoire);border-radius:50%;transform:translate(-50%,-50%);display:grid;place-items:center;background:rgba(8,8,8,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);pointer-events:none}
.compare .knob svg{width:26px;height:26px}
.compare input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0;touch-action:pan-y}
.compare .tag{position:absolute;bottom:18px;font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--ivoire);background:rgba(8,8,8,.55);padding:8px 12px;pointer-events:none}
.compare .tag--l{left:18px}.compare .tag--r{right:18px}
.compare:has(input:focus-visible){outline:1px solid var(--champagne);outline-offset:6px}
.caption{text-align:center;margin-top:20px;font-size:14px;color:var(--acier)}
.section--ivoire .caption{color:#5f5d58}

/* Galerie */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
@media (max-width:760px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
.gallery figure{margin:0;position:relative;overflow:hidden;aspect-ratio:4/5;background:var(--noir-3)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 16px;font-size:13px;letter-spacing:.06em;color:var(--ivoire);background:linear-gradient(transparent,rgba(8,8,8,.8))}

/* Bandeau matériaux */
.materials{display:flex;flex-wrap:wrap;gap:18px 46px;font-family:var(--display);font-size:clamp(26px,3vw,36px);color:var(--ivoire)}
.materials span{display:flex;align-items:center;gap:46px}
.note{border-left:1px solid var(--champagne);padding:6px 0 6px 22px;color:var(--acier);font-size:15px;max-width:70ch}
.section--ivoire .note{color:#5f5d58}

/* CTA final */
.cta{position:relative;padding:clamp(100px,14vw,180px) 0;text-align:center;overflow:hidden}
.cta .bg{position:absolute;inset:0;opacity:.32}
.cta .bg img{width:100%;height:100%;object-fit:cover}
.cta .wrap{position:relative;display:flex;flex-direction:column;align-items:center;gap:26px}

/* Formulaires */
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 24px}
.form .full{grid-column:1 / -1}
@media (max-width:640px){.form{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--acier)}
.field label small{letter-spacing:.06em;text-transform:none;font-size:12px}
.field input,.field select,.field textarea{font:inherit;font-size:16px;color:var(--ivoire);background:transparent;border:0;border-bottom:1px solid rgba(245,243,238,.28);padding:12px 0;border-radius:0;transition:border-color .4s var(--ease)}
.field select{appearance:none;-webkit-appearance:none;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C5B493' fill='none'/%3E%3C/svg%3E") right 4px center no-repeat}
.field select option{background:var(--noir);color:var(--ivoire)}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--champagne)}
.field input[type=file]{border:1px dashed rgba(245,243,238,.28);padding:16px;font-size:14px;color:var(--acier)}
.field .err{font-size:13px;color:#e0a48f;min-height:0}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--acier)}
.consent input{margin-top:5px;accent-color:var(--champagne);width:16px;height:16px}
.consent a{text-decoration:underline;text-underline-offset:3px}
.form-status{grid-column:1 / -1;font-size:15px;padding:18px 20px;border:1px solid var(--ligne);display:none}
.form-status.show{display:block}
.form-status.ok{border-color:var(--champagne);color:var(--ivoire)}
.form-status.info{color:var(--ivoire-2)}
.form-status.error{border-color:#a8604c;color:#e0a48f}
.contact-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(40px,6vw,96px)}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.coords{display:flex;flex-direction:column;gap:26px}
.coords dt{font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--champagne);margin-bottom:6px}
.coords dd{margin:0;color:var(--ivoire)}
.coords dd small{display:block;color:var(--acier);font-size:13px}

/* Textes légaux */
.legal{max-width:78ch;display:flex;flex-direction:column;gap:18px}
.legal h2{font-size:30px;margin-top:28px}
.legal p,.legal li{color:var(--ivoire-2)}
.legal ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px}
.todo{color:var(--champagne);font-style:normal;border-bottom:1px dashed var(--champagne)}

/* Pied de page */
.site-footer{border-top:1px solid var(--ligne);padding:72px 0 36px;background:var(--noir)}
.foot{display:grid;grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr));gap:40px}
@media (max-width:900px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot{grid-template-columns:1fr}}
.foot h2{font-family:var(--body);font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--champagne);margin-bottom:16px;font-weight:400}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:15px}
.foot a:hover{color:var(--ivoire)}
.foot-brand img{width:210px;height:auto}
.foot-brand p{margin-top:18px;font-size:14px;color:var(--acier);max-width:36ch}
.foot-legal{margin-top:56px;padding-top:24px;border-top:1px solid var(--ligne);display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:13px;color:var(--acier)}
.foot-legal a{text-decoration:underline;text-underline-offset:3px}
.disclaimer{margin-top:28px;font-size:12px;color:var(--acier);max-width:90ch}

/* Apparitions : visibles par défaut, animées seulement si le script tourne */
.reveal{will-change:transform,opacity}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* Correctifs QA */
picture{display:block}
.intro-photo picture,.page-hero .bg picture,.media picture,.cta .bg picture,.gallery picture{width:100%;height:100%}
.intro-photo img{object-position:50% 78%}
.intro-cue{white-space:nowrap;margin-right:0;padding-left:.36em}
@media (max-width:640px){
  .intro-name{font-size:15px;letter-spacing:.3em;margin-right:-.3em}
  .intro-cue{font-size:10px;bottom:28px}
  .hero-actions .btn{width:100%;max-width:340px}
}
/* Navigation : libellés sur une ligne */
.nav a{white-space:nowrap}
@media (min-width:1081px) and (max-width:1380px){.nav{gap:22px}.brand span{font-size:15px;letter-spacing:.24em}}

/* Paires avant / après */
.pairs{display:flex;flex-direction:column;gap:clamp(48px,6vw,80px)}
.pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.4fr);gap:clamp(20px,4vw,56px);align-items:center}
.pair-head{display:flex;flex-direction:column;gap:12px}
.pair-head h3{font-size:clamp(28px,2.6vw,36px)}
.pair-head p{color:var(--acier);font-size:15px}
.pair-imgs{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.pair-imgs figure{margin:0;position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--noir-3)}
.pair-imgs picture{width:100%;height:100%}
.pair-imgs img{width:100%;height:100%;object-fit:cover}
.pair-imgs figcaption{position:absolute;left:14px;bottom:14px;font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--ivoire);background:rgba(8,8,8,.6);padding:7px 11px}
@media (max-width:760px){.pair{grid-template-columns:1fr}}