/* ProtoXpress — design system "ProtoXpress", thème Clair, direction éditoriale premium */
:root{
  --bg:#ffffff;--paper:#f6f6f4;--surface:#efefec;--ink:#0a0a0a;--muted:#5a5a5a;--faint:#6e6e6e;--soft:#8a8a8a;
  --border:#b3b3b3;--line:rgba(0,0,0,.12);
  --accent:#8cf9ab;--accent-ink:#000;--accent-text:#0b7a3a;--tint:#e3fbe3;
  --space-1:4px;--space-2:8px;--space-3:16px;--space-4:26px;--space-5:52px;--space-6:96px;--space-7:160px;
  --radius-sm:2px;--radius-md:4px;
  --font-display:"Gabarito","Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-sans:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
  --max:1320px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:300 17px/1.65 var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--accent);color:#000}
.wrap{max-width:var(--max);margin:0 auto;padding:0 40px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:var(--ink);color:#fff;padding:8px 12px;z-index:99}
:focus-visible{outline:2px solid var(--ink);outline-offset:4px}
.cta :focus-visible,.footer :focus-visible{outline-color:#fff}
section,[id]{scroll-margin-top:92px}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-bottom:2px solid #b42318}
.err{color:#b42318}

/* Typo */
.eyebrow{margin:0 0 var(--space-4);font:500 12px/1.5 var(--font-sans);letter-spacing:.22em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:14px}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
.eyebrow.plain::before{display:none}
.display{margin:0;font:500 clamp(48px,8.4vw,128px)/.92 var(--font-display);letter-spacing:-.045em}
.h2{margin:0;font:500 clamp(36px,4.8vw,68px)/.98 var(--font-display);letter-spacing:-.035em}
.h3{margin:0;font:500 clamp(22px,2vw,28px)/1.1 var(--font-display);letter-spacing:-.02em}
.soft{color:var(--soft)}
.mint{color:var(--ink);background:linear-gradient(transparent 58%,var(--accent) 58%,var(--accent) 92%,transparent 92%);padding:0 .04em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.lead{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:var(--muted);max-width:520px;margin:0}
.num{font:400 12px/1 var(--font-sans);letter-spacing:.18em;color:var(--faint)}

/* Logo */
.logo{display:inline-block;padding:8px 0;font:600 21px/1 var(--font-display);letter-spacing:-.03em;text-decoration:none;color:var(--ink)}
.logo b{font-weight:600;color:var(--ink);position:relative}
.logo b::after{content:"";position:absolute;left:8%;right:8%;bottom:-5px;height:2px;background:var(--accent)}

/* Liens / boutons */
.link{display:inline-flex;align-items:center;min-height:32px;gap:12px;font:500 12px/1 var(--font-sans);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;padding:6px 0;border-bottom:1px solid currentColor;transition:gap .3s var(--ease)}
.link:hover{gap:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:18px 30px;border-radius:var(--radius-sm);font:500 12px/1 var(--font-sans);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;border:1px solid var(--ink);cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:transparent;color:var(--ink)}
.btn-mint{background:var(--accent);border-color:var(--accent);color:#000}
.btn-mint:hover{background:transparent;color:var(--accent)}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.nav{display:flex;align-items:center;gap:38px}
.nav a{text-decoration:none;padding:12px 0;font:500 12px/1 var(--font-sans);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);transition:color .2s}
.nav a:hover{color:var(--ink)}
.nav .link{color:var(--ink)}
.menu-btn{display:none;background:none;border:0;color:var(--ink);font:500 12px var(--font-sans);letter-spacing:.2em;text-transform:uppercase;cursor:pointer;min-height:44px;min-width:44px;padding:12px 0}

/* Visuels (emplacements prêts à recevoir les images) */
.media{position:relative;overflow:hidden;background:var(--surface)}
.media img{width:100%;height:100%;object-fit:cover}
.media::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.1;mix-blend-mode:multiply;pointer-events:none}
.media.r-21x9{aspect-ratio:21/9}.media.r-16x9{aspect-ratio:16/9}.media.r-4x3{aspect-ratio:4/3}.media.r-4x5{aspect-ratio:4/5}
/* fumée menthe sur blanc */
.m-smoke-light{background:
  radial-gradient(38% 60% at 22% 48%,rgba(11,122,58,.55),transparent 70%),
  radial-gradient(30% 45% at 34% 30%,rgba(140,249,171,.95),transparent 72%),
  radial-gradient(26% 40% at 14% 72%,rgba(140,249,171,.8),transparent 70%),
  radial-gradient(22% 30% at 46% 62%,rgba(60,190,120,.45),transparent 75%),
  radial-gradient(60% 80% at 80% 50%,#fff,transparent 70%),#f7fbf8}
.m-smoke-light .smoke{position:absolute;inset:-10%;background:inherit;filter:blur(40px) saturate(1.1);animation:drift 18s ease-in-out infinite alternate}
/* fumée menthe sur noir */
.m-smoke-dark{background:
  radial-gradient(34% 70% at 18% 40%,rgba(140,249,171,.55),transparent 70%),
  radial-gradient(26% 50% at 30% 70%,rgba(11,122,58,.7),transparent 72%),
  radial-gradient(20% 40% at 8% 20%,rgba(140,249,171,.35),transparent 70%),#030504}
.m-smoke-dark::after{mix-blend-mode:screen;opacity:.08}
/* textures « strates » noir & blanc (en attendant les photos) */
.m-mono-1,.m-mono-2,.m-mono-3,.m-mono-4{--l:rgba(0,0,0,.07)}
.m-mono-1::before,.m-mono-2::before,.m-mono-3::before,.m-mono-4::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,var(--l) 0 1px,transparent 1px 6px);-webkit-mask:radial-gradient(70% 90% at 30% 70%,#000 20%,transparent 75%);mask:radial-gradient(70% 90% at 30% 70%,#000 20%,transparent 75%)}
.m-mono-1{background:linear-gradient(135deg,#f4f4f2 0%,#dcdcd8 55%,#b9b9b4 100%)}
.m-mono-2{--l:rgba(255,255,255,.09);background:linear-gradient(160deg,#3a3a38 0%,#151515 60%,#0a0a0a 100%)}
.m-mono-3{background:linear-gradient(200deg,#fbfbfa 0%,#e6e6e3 60%,#cfcfcb 100%)}
.m-mono-3::before{-webkit-mask:radial-gradient(60% 80% at 70% 30%,#000 15%,transparent 70%);mask:radial-gradient(60% 80% at 70% 30%,#000 15%,transparent 70%)}
.m-mono-4{--l:rgba(140,249,171,.16);background:radial-gradient(60% 80% at 80% 90%,rgba(11,122,58,.35),transparent 70%),linear-gradient(170deg,#1b1b1a 0%,#070707 100%)}
.m-mono-4::before{-webkit-mask:radial-gradient(70% 90% at 75% 85%,#000 15%,transparent 75%);mask:radial-gradient(70% 90% at 75% 85%,#000 15%,transparent 75%)}
@keyframes drift{from{transform:translate3d(-2%,0,0) scale(1)}to{transform:translate3d(3%,-2%,0) scale(1.06)}}

/* Hero */
.hero{padding:clamp(70px,10vw,140px) 0 0}
.hero-top{display:grid;grid-template-columns:1fr auto;align-items:end;gap:48px}
.hero-side{display:flex;flex-direction:column;gap:30px;padding-bottom:12px;max-width:380px}
.hero-side .lead{font-size:17px}
.hero-actions{display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.hero-visual{margin-top:clamp(56px,7vw,96px)}
.hero-index{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:22px 0;border-bottom:1px solid var(--line)}
.hero-index span{font:500 12px/1 var(--font-sans);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.hero-index b{font-weight:500;color:var(--faint);margin-right:10px}

/* Sections */
section{padding:var(--space-7) 0}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:var(--space-6)}
.sec-head>p{margin:0;color:var(--muted);max-width:440px;justify-self:end}

/* Savoir-faire */
.works{display:grid;grid-template-columns:1fr 1fr;gap:96px 48px}
.work:nth-child(even){margin-top:120px}
.work .media{margin-bottom:28px;transition:transform .8s var(--ease)}
.work:hover .media{transform:scale(.985)}
.work-meta{display:grid;grid-template-columns:56px 1fr;gap:4px 0}
.work-meta .num{padding-top:9px}
.work p{margin:12px 0 0;color:var(--muted);max-width:440px}
.tags{margin:18px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px 22px}
.tags li{font:500 12px/1.6 var(--font-sans);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}

/* Manifeste */
.statement{padding:var(--space-7) 0;background:var(--paper)}
.statement blockquote{margin:0 auto;max-width:1040px;text-align:center;font:400 clamp(30px,3.8vw,54px)/1.12 var(--font-display);letter-spacing:-.03em}
.statement blockquote span{color:var(--soft)}
.statement figcaption{text-align:center;margin-top:36px}

/* Pour qui */
.duo{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink)}
.duo article{padding:48px 48px 0 0}
.duo article+article{padding:48px 0 0 48px;border-left:1px solid var(--line)}
.duo p{color:var(--muted);margin:18px 0 0;max-width:460px}

/* Méthode */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.step{padding:36px 28px 0 0;position:relative}
.step::before{content:"";position:absolute;top:-1px;left:0;width:36px;height:1px;background:var(--ink);transition:width .6s var(--ease)}
.step:hover::before{width:100%}
.step .h3{margin:28px 0 12px}
.step p{margin:0;color:var(--muted);font-size:15.5px}

/* Bandeau sombre */
.cta{position:relative;color:#fff;padding:0}
.cta .media{position:absolute;inset:0}
.cta-inner{position:relative;z-index:1;padding:var(--space-7) 0;display:grid;grid-template-columns:1fr auto;gap:48px;align-items:end}
.cta .h2{max-width:760px}
.cta .eyebrow{color:rgba(255,255,255,.65)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px}
details{border-top:1px solid var(--line);padding:28px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;font:500 clamp(19px,1.6vw,23px)/1.3 var(--font-display);letter-spacing:-.015em;display:flex;justify-content:space-between;gap:24px}
summary::-webkit-details-marker{display:none}
summary::after{content:"";flex:none;width:12px;height:12px;margin-top:8px;background:linear-gradient(var(--ink),var(--ink)) center/100% 1px no-repeat,linear-gradient(var(--ink),var(--ink)) center/1px 100% no-repeat;transition:transform .3s var(--ease)}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);margin:16px 0 0;max-width:680px}

/* Devis */
.quote{display:grid;grid-template-columns:1fr 1.25fr;gap:96px;align-items:start}
.contact-list{list-style:none;padding:0;margin:48px 0 0}
.contact-list li{padding:20px 0;border-top:1px solid var(--line)}
.contact-list span{display:block;font:500 12px/1 var(--font-sans);letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:10px}
.contact-list a{text-decoration:none}
.contact-list a:hover{color:#000;background:var(--accent)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:34px 32px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
label{font:500 12px/1.2 var(--font-sans);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
input,select,textarea{background:transparent;color:var(--ink);border:0;border-bottom:1px solid #8a8a8a;border-radius:0;padding:12px 0;font:300 17px var(--font-sans);width:100%;transition:border-color .2s}
select{appearance:none;background: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' fill='none' stroke='%23000'/%3E%3C/svg%3E") right center no-repeat}
input:focus,select:focus,textarea:focus{outline:none;border-bottom-color:var(--ink)}
textarea{min-height:120px;resize:vertical}
.seg{display:flex;gap:28px;flex-wrap:wrap;padding-top:6px}
.seg label{display:flex;align-items:center;gap:10px;color:var(--ink);cursor:pointer;letter-spacing:.16em}
.seg input{width:auto;accent-color:var(--ink)}
.form .note{grid-column:1/-1;font-size:14px;color:var(--faint);margin:0}
.form .btn{grid-column:1/-1;justify-self:start}

/* Footer */
.footer{background:var(--ink);color:#fff;padding:var(--space-6) 0 var(--space-4)}
.footer-mark{font:500 clamp(64px,15vw,230px)/.8 var(--font-display);letter-spacing:-.06em;margin:0 0 var(--space-6);white-space:nowrap}
.footer-mark b{font-weight:500;color:var(--accent)}
.footer-row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center;padding-top:26px;border-top:1px solid rgba(255,255,255,.18);font:500 12px/1.6 var(--font-sans);letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.footer nav{display:flex;gap:30px;flex-wrap:wrap}.footer nav a{padding:10px 0}
.footer a{text-decoration:none}.footer a:hover{color:#fff}
.footer .logo{color:#fff}.footer .logo b{color:#fff}

/* Pages texte (mentions légales) */
.prose{max-width:760px;padding:var(--space-6) 0 var(--space-7)}
.prose h1{font:500 clamp(40px,5vw,64px)/1 var(--font-display);letter-spacing:-.035em;margin:0 0 var(--space-5)}
.prose h2{font:500 22px/1.2 var(--font-display);margin:var(--space-5) 0 12px;letter-spacing:-.01em}
.prose p,.prose li{color:var(--muted)}
.btn-ghost{font:500 12px/1 var(--font-sans);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;border-bottom:1px solid currentColor;padding:6px 0}
.footer .wrap>span{font:500 12px/1.6 var(--font-sans);letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}

/* Apparition au défilement */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.m-smoke-light .smoke{animation:none}html{scroll-behavior:auto}}

/* Responsive */
@media (max-width:1000px){
  .hero-top,.sec-head,.faq-grid,.quote,.cta-inner{grid-template-columns:1fr}
  .sec-head>p{justify-self:start}
  .steps{grid-template-columns:1fr 1fr;gap:40px 0}
  .works{gap:64px 32px}
  .work:nth-child(even){margin-top:60px}
}
@media (max-width:760px){
  .wrap{padding:0 20px}
  section,.statement{padding:var(--space-6) 0}
  .nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:28px 20px 36px;border-bottom:1px solid var(--line);gap:24px}
  .nav.open{display:flex}
  .menu-btn{display:block}
  .works,.duo,.steps,.form{grid-template-columns:1fr}
  .work:nth-child(even){margin-top:0}
  .duo article,.duo article+article{padding:36px 0 0;border-left:0}
  .duo article+article{margin-top:36px;border-top:1px solid var(--line)}
  .media.r-21x9{aspect-ratio:4/3}
  .hero-index{justify-content:flex-start;gap:14px 28px}
  .cta-inner{padding:var(--space-6) 0}
}