@font-face{font-family:Archivo;font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;src:url(fonts/archivo.woff2) format("woff2")}

:root{
  --steel:#e8ebee;   /* fond principal */
  --white:#fbfcfc;
  --ink:#0c1116;     /* texte, sections sombres */
  --ink-2:#161e27;
  --cobalt:#1e48e0;
  --cobalt-hi:#6b8cff;
  --grey:#5d6772;
  --line:#c9cfd5;
  --line-d:#27313c;
  --wrap:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--steel);color:var(--ink);font:400 1.0625rem/1.6 Archivo,system-ui,sans-serif;font-stretch:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--cobalt)}
h1,h2,h3{margin:0 0 .5em;line-height:1.05}
h1,h2{font-stretch:125%;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.9rem,3.8vw,3.1rem);max-width:18ch}
h3{font-size:1.15rem;font-weight:600;line-height:1.25}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--cobalt-hi);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:var(--cobalt);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:8px}
.lead{font-size:clamp(1.08rem,1.5vw,1.25rem);color:var(--grey);max-width:58ch}

.btn{display:inline-block;background:var(--cobalt);color:#fff;text-decoration:none;font:inherit;font-weight:600;padding:.95em 1.5em;border:0;border-radius:2px;cursor:pointer;transition:background .2s}
.btn:hover{background:#1638b8}
.btn--sm{padding:.55em 1em;font-size:.95rem}
.tlink{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-decoration-color:var(--cobalt);text-underline-offset:6px}

/* en-tête */
.top{position:sticky;top:0;z-index:50;background:rgba(232,235,238,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;justify-content:space-between;height:68px}
.mark{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-stretch:125%;font-size:1.25rem;letter-spacing:.04em}
.nav{display:flex;align-items:center;gap:26px}
.nav a:not(.btn){color:var(--ink);text-decoration:none;font-size:.97rem}
.nav a:not(.btn):hover{color:var(--cobalt)}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:2px;font-size:.82rem!important;font-weight:600}
.lang span{padding:.25em .55em}
.lang__on{background:var(--ink);color:#fff}
.lang__off{color:var(--grey)}
.menu{display:none;background:none;border:1px solid var(--line);color:var(--ink);font:inherit;padding:.4em .9em;border-radius:2px}

/* hero */
.hero{overflow-x:clip;padding:clamp(40px,6vw,80px) 0 clamp(50px,6vw,80px)}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(20px,4vw,50px);align-items:center}
.tag{display:inline-block;font-weight:600;color:var(--cobalt);margin-bottom:1.4rem;padding-left:14px;border-left:3px solid var(--cobalt)}
.hero h1{font-size:clamp(2.3rem,5.3vw,4.6rem);line-height:.98;letter-spacing:-.03em;font-weight:800}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px 30px;margin-top:2rem}
.hero__fig{margin:0;position:relative}
.hero__fig img{filter:drop-shadow(0 30px 40px rgba(12,17,22,.25));animation:in 1s cubic-bezier(.2,.7,.2,1) both}
@keyframes in{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}
.trio{list-style:none;margin:clamp(50px,6vw,80px) 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink)}
.trio li{padding:1.4rem 1.6rem 0 0}
.trio li+li{padding-left:1.6rem;border-left:1px solid var(--line)}
.trio__k{display:block;font-stretch:125%;font-weight:700;font-size:1.35rem;margin-bottom:.4rem}
.trio p{color:var(--grey);margin:0}

/* sections */
.sec{padding:clamp(70px,10vw,120px) 0}
.sec--dark{background:var(--ink);color:#e7ebef}
.sec--dark .lead,.sec--dark p{color:#9aa6b2}
.sec--white{background:var(--white)}
.sec--line{border-top:1px solid var(--line)}
.head{margin-bottom:clamp(36px,5vw,60px)}

/* usine */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);counter-reset:f}
.flow li{counter-increment:f;padding:0 1.6rem 0 0;position:relative}
.flow li::before{content:"0" counter(f);display:block;font-stretch:125%;font-weight:800;font-size:3.4rem;line-height:1;color:var(--cobalt-hi);margin-bottom:1.2rem;padding-bottom:1rem;border-bottom:1px solid var(--line-d)}
.flow h3{color:#fff}
.flow p{margin:0;font-size:.97rem}

/* produit */
.prod{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);align-items:center}
.prod__fig{margin:0}
.prod__fig figcaption{font-size:.85rem;color:var(--grey);margin-top:.6rem}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem 2rem;margin:0}
.feat div{border-top:2px solid var(--ink);padding-top:.8rem}
.feat dt{font-weight:600;margin-bottom:.3rem}
.feat dd{margin:0;color:var(--grey);font-size:.97rem}
.spec{margin-top:clamp(50px,7vw,90px);display:grid;grid-template-columns:.6fr 1.4fr;gap:30px;align-items:start}
.spec h3{font-stretch:125%;font-weight:700;font-size:1.5rem}
.spec table{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--line)}
.spec th,.spec td{text-align:left;padding:.75rem 1.1rem;border-bottom:1px solid var(--line)}
.spec th{font-weight:400;color:var(--grey);width:42%}
.spec td{font-weight:600;font-variant-numeric:tabular-nums}

/* configurateur */
.cfg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);background:var(--steel)}
.cfg__stage{padding:clamp(24px,4vw,40px);display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(60% 50% at 50% 45%,#fff,var(--steel))}
.cfg__chair{position:relative;width:min(100%,360px);container-type:inline-size}
.cfg__brand{position:absolute;left:54.3%;top:14.8%;transform:translate(-50%,-50%);max-width:27%;text-align:center;color:var(--logo);font-stretch:125%;font-weight:700;letter-spacing:.05em;font-size:2.6cqw;line-height:1;white-space:nowrap;overflow:hidden;transition:color .25s}
.cfg__note{font-size:.82rem;color:var(--grey);text-align:center;margin:1rem 0 0;max-width:34ch}
.cfg__panel{padding:clamp(24px,4vw,44px);background:var(--white);border-left:1px solid var(--line);display:grid;gap:1.5rem;align-content:start}
.fld{display:grid;gap:.5rem;font-weight:600;font-size:.95rem;border:0;margin:0;padding:0}
.fld legend{padding:0;margin-bottom:.5rem}
.fld input[type=text],.fld select{font:inherit;font-weight:500;padding:.75em .85em;border:1px solid var(--line);border-radius:2px;background:#fff;color:var(--ink);width:100%;text-transform:uppercase}
.fld select{text-transform:none}
.swatches,.chips{display:flex;flex-wrap:wrap;gap:8px}
.swatches label,.chips label{position:relative;cursor:pointer;font-weight:400}
.swatches input,.chips input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.swatches label{display:flex;align-items:center;gap:8px;border:1px solid var(--line);padding:.4em .8em .4em .45em;border-radius:2px}
.swatches span{width:20px;height:20px;border-radius:50%;background:var(--c);box-shadow:inset 0 0 0 1px rgba(0,0,0,.2)}
.swatches label:has(input:checked){border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.chips span{display:block;border:1px solid var(--line);padding:.45em .9em;border-radius:2px}
.chips input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.swatches input:focus-visible+span,.chips input:focus-visible+span{outline:3px solid var(--cobalt-hi);outline-offset:2px}
.cfg__panel .btn{justify-self:start}
.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:clamp(40px,6vw,70px);border-top:1px solid var(--line)}
.opts div{padding:1.6rem 1.6rem 1.6rem 0;border-bottom:1px solid var(--line)}
.opts div:not(:nth-child(3n+1)){padding-left:1.6rem;border-left:1px solid var(--line)}
.opts p{color:var(--grey);margin:0;font-size:.97rem}

/* international */
.world{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,80px);align-items:center}
.ticks{list-style:none;margin:2rem 0 0;padding:0}
.ticks li{padding:.8rem 0 .8rem 2rem;border-bottom:1px solid var(--line-d);position:relative;color:#e7ebef}
.ticks li::before{content:"";position:absolute;left:2px;top:1.15rem;width:.8em;height:.42em;border-left:2px solid var(--cobalt-hi);border-bottom:2px solid var(--cobalt-hi);transform:rotate(-45deg)}
.world__fig{margin:0}
.world__fig img{filter:drop-shadow(0 20px 40px rgba(0,0,0,.6))}
.crate{display:grid;grid-template-columns:repeat(3,1fr);margin:1.4rem 0 0;border-top:1px solid var(--line-d)}
.crate div{padding-top:1rem}
.crate dt{font-size:.82rem;color:#8793a0}
.crate dd{margin:0;font-weight:600;color:#fff;font-stretch:112%}

/* clients */
.who{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.5vw,32px)}
.who div{background:var(--white);border:1px solid var(--line);padding:1.5rem}
.who p{color:var(--grey);margin:0;font-size:.97rem}
.venues{margin:2.4rem 0 0;font-stretch:112%;font-weight:600;color:var(--grey)}

/* faq */
.faq{display:grid;grid-template-columns:.8fr 1.4fr;gap:clamp(30px,5vw,70px)}
details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:1.2rem 2.4rem 1.2rem 0;position:relative;font-weight:600;font-size:1.08rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:2px solid var(--cobalt);border-bottom:2px solid var(--cobalt);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
details p{color:var(--grey);max-width:60ch;margin:0 0 1.3rem}

/* devis */
.quote{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,80px);align-items:start}
.coords{list-style:none;margin:2rem 0 0;padding:0}
.coords li{display:flex;flex-direction:column;padding:.9rem 0;border-bottom:1px solid var(--line-d)}
.coords span{font-size:.85rem;color:#8793a0}
.coords a{color:#fff;text-decoration:none;font-size:1.25rem;font-stretch:112%}
.coords a:hover{color:var(--cobalt-hi)}
.form{background:var(--white);color:var(--ink);padding:clamp(22px,4vw,40px);display:grid;gap:1.1rem;border-radius:2px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.form label{display:grid;gap:.35rem;font-size:.92rem;font-weight:600}
.form input,.form select,.form textarea{font:inherit;font-weight:400;color:var(--ink);background:var(--steel);border:1px solid var(--line);border-radius:2px;padding:.75em .85em;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cobalt);box-shadow:0 0 0 3px rgba(30,72,224,.2)}
.form .is-invalid{border-color:#c8393f}
.form textarea{resize:vertical}
.form .check{display:flex;gap:.7rem;align-items:flex-start;font-weight:400;font-size:.86rem;color:var(--grey)}
.form .check input{width:18px;height:18px;margin-top:.15rem;flex:none;accent-color:var(--cobalt)}
.form button{justify-self:start}
.form button[disabled]{opacity:.6;cursor:wait}
.status{margin:0;min-height:1.4em;font-size:.95rem;font-weight:600}
.status.ok{color:#127a3d}
.status.err{color:#c8393f}
.hp{position:absolute!important;left:-9999px}

.foot{background:var(--ink);color:#8793a0;border-top:1px solid var(--line-d);padding:32px 0}
.foot__in{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px 30px}
.foot p{margin:0}
.foot strong{color:#fff}
.foot nav{display:flex;gap:22px}
.foot a{color:#c1c9d1;font-size:.92rem}
.foot__c{font-size:.85rem}

.wa{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(12,17,22,.3);z-index:40}

/* page légale */
.legal{padding:clamp(50px,8vw,100px) 0}
.legal .wrap{max-width:800px}
.legal h1{font-size:clamp(2rem,4vw,3rem);font-stretch:125%;font-weight:800}
.legal h2{font-size:1.3rem;font-stretch:100%;font-weight:600;margin-top:2.2rem;max-width:none}
.legal hr{border:0;border-top:2px solid var(--ink);margin:4rem 0}
.legal mark{background:#fff1a8;padding:0 .2em}
.legal p{color:#333b44}

@media (max-width:1000px){
  .hero__grid,.prod,.world,.quote,.faq,.cfg,.spec{grid-template-columns:1fr}
  .hero__fig{max-width:520px;margin:0 auto}
  .flow{grid-template-columns:1fr 1fr;row-gap:2.6rem}
  .who{grid-template-columns:1fr 1fr}
  .cfg__panel{border-left:0;border-top:1px solid var(--line)}
  .opts{grid-template-columns:1fr 1fr}
  .opts div,.opts div:not(:nth-child(3n+1)){padding:1.4rem 1.2rem 1.4rem 0;border-left:0}
  .opts div:nth-child(2n){padding-left:1.2rem;border-left:1px solid var(--line)}
}
@media (max-width:760px){
  .menu{display:block}
  .nav{position:absolute;top:68px;left:0;right:0;background:var(--steel);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:6px clamp(20px,4vw,40px) 20px;display:none}
  .nav.is-open{display:flex}
  .nav a:not(.btn):not(.lang){padding:.8em 0;width:100%;border-bottom:1px solid var(--line)}
  .nav .lang{margin-top:14px}
  .nav .btn{margin-top:14px}
  .trio{grid-template-columns:1fr}
  .trio li,.trio li+li{padding:1.2rem 0;border-left:0;border-bottom:1px solid var(--line)}
  .feat,.form .row,.opts{grid-template-columns:1fr}
  .opts div:nth-child(2n){padding-left:0;border-left:0}
  .crate{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .flow,.who{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}