/* =====================================================================
   STRUCTA — site vitrine gros œuvre · design tokens + composants
   Dark industriel, orange sécurité, béton clair. HTML/CSS/JS natifs.
   ===================================================================== */

:root{
  color-scheme:dark;
  /* surfaces */
  --bg:#0b0c0e; --bg-2:#111317; --surface:#16181c; --surface-2:#1d2025;
  --line:rgba(255,255,255,.10); --line-strong:rgba(255,255,255,.22);
  /* texte */
  --text:#f3f0ea; --muted:#a8abb2;
  /* marque */
  --accent:#ff6b1a; --accent-ink:#ff8a3d; --on-accent:#0b0c0e;
  --concrete:#e9e5de; --ink:#101214;
  /* typo */
  --font:'Archivo',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Consolas,monospace;
  /* mouvement */
  --ease:cubic-bezier(.22,1,.36,1);
  --ease-io:cubic-bezier(.65,0,.35,1);
  /* mise en page */
  --gutter:clamp(20px,4vw,56px);
  --max:1320px;
  --sec:clamp(88px,12vw,176px);
  --radius:6px;
  --hdr-h:76px;
}

.light{
  --bg:var(--concrete); --bg-2:#ded9d0; --surface:#f6f3ee; --surface-2:#fff;
  --line:rgba(16,18,20,.14); --line-strong:rgba(16,18,20,.3);
  --text:var(--ink); --muted:#4a4e55; --accent-ink:#b3380a;
  background:var(--bg); color:var(--text);
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip;scroll-padding-top:calc(var(--hdr-h) - 8px)}
html.is-loading,html.menu-open{overflow:hidden}
body{
  margin:0;background:var(--bg);color:var(--text);overflow-x:clip;
  font:400 clamp(1rem,.95rem + .25vw,1.125rem)/1.6 var(--font);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p,figure,blockquote,dl,dd{margin:0}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:var(--accent);color:var(--on-accent)}

/* grain de film, statique */
body::after{
  content:"";position:fixed;inset:0;z-index:800;pointer-events:none;opacity:.07;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.container{width:min(100% - 2*var(--gutter),var(--max));margin-inline:auto}
.mono{font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase}
.accent{color:var(--accent)}
.light .accent{color:var(--accent-ink)}
.skip{position:fixed;left:16px;top:-80px;z-index:1100;background:var(--accent);color:var(--on-accent);padding:12px 18px;font-weight:700;border-radius:var(--radius);transition:top .25s}
.skip:focus{top:16px}

/* icônes */
.ic{width:1.1em;height:1.1em;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ic--xl{width:40px;height:40px;stroke-width:1.4;color:var(--accent-ink)}

/* ---------- typographie ---------- */
.display{font-stretch:75%;font-weight:800;text-transform:uppercase;line-height:.92;letter-spacing:-.012em}
.h2{font-size:clamp(2.5rem,6.4vw,5.6rem)}
.lead{font-size:clamp(1.05rem,1rem + .5vw,1.3rem);line-height:1.55;color:var(--muted);max-width:46ch}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font:500 .75rem/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.eyebrow__dot{width:8px;height:8px;background:var(--accent);flex:none}
.light .eyebrow__dot{background:var(--accent-ink)}

/* masque de lignes (titres) */
.line{display:block;overflow:hidden;padding:.16em 0 .08em;margin:-.16em 0 -.08em}
.line>span{display:inline-block}

/* ---------- boutons (angle coupé) ---------- */
.btn{
  --btn-bg:var(--surface-2);--btn-fg:var(--text);--btn-sweep:var(--text);--btn-fg-h:var(--on-accent);
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.8em;
  padding:1.1em 1.7em;min-height:48px;background:var(--btn-bg);color:var(--btn-fg);
  font-weight:700;font-stretch:90%;font-size:.82rem;line-height:1;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;
  isolation:isolate;overflow:hidden;cursor:pointer;touch-action:manipulation;
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));
  transition:color .45s var(--ease),transform .5s var(--ease);
}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--btn-sweep);transform:translateY(102%);transition:transform .55s var(--ease)}
.btn:hover::before,.btn:focus-visible::before{transform:none}
.btn:hover,.btn:focus-visible{color:var(--btn-fg-h)}
.btn .ic{transition:transform .5s var(--ease)}
.btn:hover .ic{transform:translateX(4px)}
.btn:active{transform:scale(.97)}
.btn:focus-visible{outline:2px solid var(--text);outline-offset:-5px}
.btn--accent{--btn-bg:var(--accent);--btn-fg:var(--on-accent);--btn-sweep:var(--text);--btn-fg-h:var(--on-accent)}
.btn--ghost{--btn-bg:rgba(255,255,255,.07);--btn-fg:var(--text);--btn-sweep:var(--text);--btn-fg-h:var(--on-accent);box-shadow:inset 0 0 0 1px var(--line-strong)}
.btn--sm{padding:.95em 1.3em;min-height:44px;font-size:.76rem}
.btn--lg{padding:1.25em 2em;font-size:.88rem}
.btn--block{width:100%}
.btn[disabled]{opacity:.6;cursor:progress}

/* ---------- chargement ---------- */
.loader{position:fixed;inset:0;z-index:1000;background:var(--bg);display:grid;place-items:center;
  transition:transform 1s var(--ease-io);animation:loaderOut .6s 3.2s forwards}
.loaded .loader{transform:translateY(-101%)}
.loader__inner{display:flex;align-items:flex-end;gap:20px}
.loader__mark{width:56px;height:56px;fill:var(--accent)}
.loader__count{font:800 clamp(3rem,8vw,6rem)/.8 var(--font);font-stretch:75%;letter-spacing:-.02em}
.loader__count b{font-weight:800}
.loader__bar{position:absolute;left:var(--gutter);right:var(--gutter);bottom:var(--gutter);height:2px;background:var(--line)}
.loader__bar i{display:block;height:100%;background:var(--accent);transform:scaleX(var(--p,0));transform-origin:left}
@keyframes loaderOut{to{transform:translateY(-101%);visibility:hidden}}

.progress{position:fixed;left:0;top:env(safe-area-inset-top,0px);right:0;height:3px;z-index:200;pointer-events:none}
.progress i{display:block;height:100%;background:var(--accent);transform:scaleX(0);transform-origin:0 50%}

/* ---------- curseur ---------- */
.cursor{position:fixed;left:0;top:0;z-index:900;pointer-events:none;display:none;opacity:0;transition:opacity .3s}
@media (hover:hover) and (pointer:fine){.cursor{display:block}}
.cursor.is-on{opacity:1}
.cursor__ring{position:absolute;left:0;top:0;width:34px;height:34px;margin:-17px 0 0 -17px;border:1.5px solid #fff;border-radius:50%;mix-blend-mode:difference;
  transition:width .4s var(--ease),height .4s var(--ease),margin .4s var(--ease),background-color .3s,border-color .3s,opacity .3s}
.cursor.is-link .cursor__ring{width:56px;height:56px;margin:-28px 0 0 -28px}
.cursor.is-label .cursor__ring{width:96px;height:96px;margin:-48px 0 0 -48px;mix-blend-mode:normal;background:var(--accent);border-color:var(--accent)}
.cursor__label{position:absolute;left:0;top:0;transform:translate(-50%,-50%);font:600 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--on-accent);opacity:0;transition:opacity .25s}
.cursor.is-label .cursor__label{opacity:1}

/* ---------- en-tête ---------- */
.hdr{position:fixed;left:0;right:0;top:env(safe-area-inset-top,0px);z-index:100;height:var(--hdr-h);display:flex;align-items:center;gap:clamp(16px,3vw,40px);padding:0 var(--gutter);
  transition:background-color .4s,backdrop-filter .4s,border-color .4s,height .4s var(--ease);border-bottom:1px solid transparent}
.hdr.is-stuck{background:rgba(11,12,14,.78);-webkit-backdrop-filter:blur(14px) saturate(1.2);backdrop-filter:blur(14px) saturate(1.2);border-color:var(--line);--hdr-h:64px;height:64px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand__mark{width:38px;height:38px;flex:none}
.brand__mark rect{fill:var(--surface-2)}
.brand__mark path{fill:var(--accent);transition:transform .6s var(--ease);transform-origin:center}
.brand:hover .brand__mark path{transform:scaleY(.82)}
.brand__txt{display:flex;flex-direction:column;line-height:1.05}
.brand__txt b{font-stretch:80%;font-weight:800;letter-spacing:.06em;font-size:1.2rem}
.brand__txt small{font:500 .62rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:5px}
.nav{display:none;margin-inline:auto;gap:clamp(18px,2.4vw,36px)}
.nav a{position:relative;padding:8px 0;font-size:.92rem;font-weight:500;color:var(--muted);transition:color .3s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav a:hover,.nav a[aria-current="true"]{color:var(--text)}
.nav a:hover::after,.nav a[aria-current="true"]::after{transform:scaleX(1);transform-origin:left}
.hdr__cta{display:flex;align-items:center;gap:20px;margin-left:auto}
.hdr__tel{display:none;align-items:center;gap:10px;font-weight:600;font-size:.95rem;transition:color .3s}
.hdr__tel:hover{color:var(--accent)}
.hdr__cta .btn--sm{display:none}
.burger{position:relative;width:48px;height:48px;display:grid;place-content:center;gap:7px}
.burger i{display:block;width:26px;height:2px;background:var(--text);transition:transform .5s var(--ease)}
.menu-open .burger i:first-child{transform:translateY(4.5px) rotate(45deg)}
.menu-open .burger i:last-child{transform:translateY(-4.5px) rotate(-45deg)}
@media (min-width:640px){.hdr__cta .btn--sm{display:inline-flex}}
@media (min-width:1000px){.nav{display:flex}.burger{display:none}.hdr__cta{margin-left:0}}
@media (min-width:1240px){.hdr__tel{display:inline-flex}}

/* menu mobile */
.menu{position:fixed;inset:0;z-index:90;background:var(--bg);padding:calc(var(--hdr-h) + 32px) var(--gutter) 40px;display:flex;flex-direction:column;justify-content:space-between;
  visibility:hidden;opacity:0;clip-path:inset(0 0 100% 0);transition:clip-path .8s var(--ease-io),opacity .3s,visibility 0s .8s}
.menu-open .menu{visibility:visible;opacity:1;clip-path:inset(0);transition:clip-path .8s var(--ease-io),opacity .3s,visibility 0s}
.menu nav{display:flex;flex-direction:column}
.menu nav a{font:800 clamp(2.4rem,11vw,4rem)/1.05 var(--font);font-stretch:75%;text-transform:uppercase;padding:10px 0;border-bottom:1px solid var(--line);
  transform:translateY(24px);opacity:0;transition:transform .7s var(--ease),opacity .6s}
.menu-open .menu nav a{transform:none;opacity:1}
.menu-open .menu nav a:nth-child(2){transition-delay:.05s}.menu-open .menu nav a:nth-child(3){transition-delay:.1s}
.menu-open .menu nav a:nth-child(4){transition-delay:.15s}.menu-open .menu nav a:nth-child(5){transition-delay:.2s}.menu-open .menu nav a:nth-child(6){transition-delay:.25s}
.menu nav .menu__cta{color:var(--accent);border-bottom-color:var(--accent)}
.menu__tel{display:inline-flex;align-items:center;gap:12px;font-weight:700;font-size:1.3rem}

/* ---------- révélations au scroll ---------- */
.js [data-reveal]{opacity:0;transform:translate3d(0,36px,0);transition:opacity 1s var(--ease) var(--d,0s),transform 1.2s var(--ease) var(--d,0s)}
.js [data-reveal].is-in{opacity:1;transform:none}
.js [data-reveal="lines"]{opacity:1;transform:none}
.js [data-reveal="lines"] .line>span{transform:translate3d(0,112%,0);transition:transform 1.25s var(--ease)}
.js [data-reveal="lines"].is-in .line>span{transform:none}
.js [data-reveal="lines"] .line:nth-child(2)>span{transition-delay:.12s}
.js [data-reveal="lines"] .line:nth-child(3)>span{transition-delay:.24s}
.no-anim [data-reveal],.no-anim [data-reveal] .line>span{opacity:1!important;transform:none!important;clip-path:none!important}

/* ---------- hero ---------- */
.hero{position:relative;isolation:isolate;overflow:clip;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:calc(var(--hdr-h) + 60px) 0 clamp(56px,9vh,104px)}
.hero__media{position:absolute;inset:-8% 0;z-index:0;will-change:transform}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:60% 50%;transform:scale(1.14);transition:transform 3.2s var(--ease)}
.loaded .hero__media img,.no-anim .hero__media img{transform:scale(1.02)}
.hero__shade{position:absolute;inset:0;z-index:1;background:
  linear-gradient(180deg,rgba(11,12,14,.62) 0%,rgba(11,12,14,.18) 32%,rgba(11,12,14,.72) 78%,var(--bg) 100%),
  linear-gradient(90deg,rgba(11,12,14,.78) 0%,rgba(11,12,14,.25) 55%,rgba(11,12,14,0) 100%)}
.hero__grid{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.5;
  background-image:linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:calc(100%/8) 100%;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent)}
.hero__glow{position:absolute;inset:0;z-index:2;pointer-events:none;mix-blend-mode:screen;opacity:.85;
  background:radial-gradient(620px circle at var(--mx,72%) var(--my,28%),rgba(255,107,26,.22),transparent 60%)}
.hero__inner{position:relative;z-index:3;display:flex;flex-direction:column;align-items:flex-start;gap:clamp(20px,3vh,32px)}
.hero__inner{opacity:var(--fade,1)}
.hero__title{font-size:clamp(2.7rem,10.6vw,10.4rem);margin-top:4px}
.hero__lead{max-width:44ch;color:#d3d1cc}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px}
.hero__proof{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:6px}
.hero__proof li{display:inline-flex;align-items:center;gap:10px;font-size:.92rem;font-weight:500;color:#d3d1cc}
.hero__proof .ic{color:var(--accent)}

.hero__card{display:none;position:absolute;z-index:3;right:var(--gutter);bottom:clamp(64px,13vh,130px);width:300px;padding:20px;border:1px solid var(--line-strong);border-radius:var(--radius);
  background:rgba(16,18,20,.55);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.hero__card-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted)}
.live{display:inline-flex;align-items:center;gap:8px;font:500 .7rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text)}
.live i{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1.8s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,107,26,.6)}100%{box-shadow:0 0 0 12px rgba(255,107,26,0)}}
.hero__card-title{margin-top:16px;font-weight:700;font-size:1.1rem;line-height:1.25}
.hero__card-title span{display:block;margin-top:4px;font-weight:400;font-size:.85rem;color:var(--muted)}
.hero__card-bar{height:4px;margin-top:18px;background:rgba(255,255,255,.14)}
.hero__card-bar i{display:block;height:100%;width:var(--w);background:var(--accent);transform-origin:left}
.js .hero__card-bar i{transform:scaleX(0);transition:transform 1.9s var(--ease) 1.6s}
.js.loaded .hero__card-bar i,.no-anim .hero__card-bar i{transform:none}
.hero__card-foot{display:flex;justify-content:space-between;margin-top:10px;font-size:.82rem;color:var(--muted)}
.hero__card-foot b{color:var(--text);font-family:var(--mono);font-weight:500}
@media (min-width:1100px){.hero__card{display:block}}

.hero__scroll{display:none;position:absolute;z-index:3;left:50%;bottom:26px;transform:translateX(-50%);flex-direction:column;align-items:center;gap:10px;font:500 .66rem/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.hero__scroll span{width:1px;height:44px;background:linear-gradient(var(--accent),transparent);transform-origin:top;animation:drip 2.2s var(--ease-io) infinite}
@keyframes drip{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
@media (min-width:900px) and (min-height:760px){.hero__scroll{display:flex}}

/* ---------- bandeau confiance ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--line);background:var(--bg-2);padding:22px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:flex;width:max-content;animation:marq 42s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__group{display:flex;flex:none}
.marquee__group li{display:flex;align-items:center;padding-left:56px;font:500 .8rem/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.marquee__group li::after{content:"";width:6px;height:6px;margin-left:56px;background:var(--accent)}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- manifeste ---------- */
.manifesto{padding:var(--sec) 0 calc(var(--sec)*.55)}
.manifesto__text{max-width:26em;margin-top:32px;font-stretch:80%;font-weight:600;font-size:clamp(1.9rem,4.7vw,4.1rem);line-height:1.1;letter-spacing:-.012em}
.manifesto__text em{font-style:normal;color:var(--accent)}
.manifesto__text .w{opacity:.2;transition:opacity .35s var(--ease-io)}
.manifesto__text .w.on{opacity:1}

/* ---------- chiffres ---------- */
.stats{padding-bottom:var(--sec)}
.stats__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(28px,4vw,48px) clamp(20px,3vw,40px)}
.stat{position:relative;padding-top:24px;border-top:1px solid var(--line)}
.stat::before{content:"";position:absolute;left:0;top:-1px;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease)}
.stat:hover::before{transform:scaleX(1)}
.stat__n{display:block;font:800 clamp(3.4rem,8.4vw,7.6rem)/.9 var(--font);font-stretch:75%;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat__l{display:block;margin-top:14px;color:var(--muted);font-size:.95rem;line-height:1.4}
@media (min-width:900px){.stats__grid{grid-template-columns:repeat(4,1fr)}}

/* ---------- en-têtes de section ---------- */
.sec-head{display:grid;gap:24px;margin-bottom:clamp(40px,6vw,80px);align-items:end}
.sec-head .h2{margin-top:22px}
.sec-head__p{margin-bottom:6px}
@media (min-width:900px){.sec-head{grid-template-columns:1.3fr .7fr;gap:60px}.sec-head--solo{grid-template-columns:1fr}}

/* ---------- expertises ---------- */
.svc{padding:calc(var(--sec)*.7) 0 var(--sec)}
.svc__list{border-bottom:1px solid var(--line)}
.svc__row a{position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px 16px;padding:clamp(22px,3.2vw,40px) 0;border-top:1px solid var(--line);transition:opacity .4s}
.svc__row a::after{content:"";position:absolute;left:0;right:0;top:-1px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease)}
.svc__n{font:500 .8rem/1 var(--mono);letter-spacing:.12em;color:var(--muted);transition:color .3s}
.svc__t{font:800 clamp(1.7rem,4.4vw,3.3rem)/1 var(--font);font-stretch:75%;text-transform:uppercase;letter-spacing:-.01em;transition:transform .7s var(--ease),color .3s}
.svc__d{grid-column:1/-1;color:var(--muted);max-width:52ch}
.svc__go{display:grid;place-items:center;width:52px;height:52px;border:1px solid var(--line-strong);border-radius:50%;grid-column:3;grid-row:1;transition:background-color .4s,border-color .4s,color .4s,transform .6s var(--ease)}
.svc__go .ic{transform:rotate(-45deg);transition:transform .6s var(--ease)}
.svc__img{grid-column:1/-1;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);margin-top:12px}
.svc__row a:hover::after,.svc__row a:focus-visible::after{transform:scaleX(1)}
.svc__row a:hover .svc__n,.svc__row a:focus-visible .svc__n{color:var(--accent)}
.svc__row a:hover .svc__go,.svc__row a:focus-visible .svc__go{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.svc__row a:hover .svc__go .ic{transform:none}
@media (min-width:900px){
  .svc__row a{grid-template-columns:72px minmax(0,1.15fr) minmax(0,1fr) 64px;gap:24px}
  .svc__d{grid-column:3;grid-row:1}
  .svc__go{grid-column:4}
  .svc__img{grid-column:2/4;max-width:520px}
}
@media (hover:hover) and (pointer:fine) and (min-width:900px){
  .svc__img{display:none}
  .svc__list:hover .svc__row a{opacity:.32}
  .svc__list .svc__row a:hover,.svc__list .svc__row a:focus-visible{opacity:1}
  .svc__row a:hover .svc__t,.svc__row a:focus-visible .svc__t{transform:translateX(18px)}
}

/* aperçu flottant */
.peek{position:fixed;left:0;top:0;z-index:60;width:min(26vw,380px);aspect-ratio:4/3;pointer-events:none;display:none;will-change:transform}
@media (hover:hover) and (pointer:fine) and (min-width:900px){.peek{display:block}}
.peek__in{position:absolute;inset:0;overflow:hidden;border-radius:var(--radius);opacity:0;transform:scale(.8);box-shadow:0 30px 60px rgba(0,0,0,.5);transition:opacity .35s,transform .6s var(--ease)}
.peek.is-on .peek__in{opacity:1;transform:none}
.peek__in img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.12);transition:opacity .45s,transform .9s var(--ease)}
.peek__in img.is-cur{opacity:1;transform:none}

/* ---------- chantiers (défilement horizontal) ---------- */
.work{--ph:clamp(340px,56vh,560px);padding:calc(var(--sec)*.5) 0 var(--sec);background:var(--bg-2);border-block:1px solid var(--line)}
.work__pin{display:block}
.work__head{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:flex-end;justify-content:space-between;margin-bottom:clamp(28px,4vw,48px)}
.work__head .h2{margin-top:22px}
.work__meter{display:none;align-items:center;gap:20px;color:var(--muted)}
.work__meter b{color:var(--text);font-weight:500}
.work__bar{width:min(22vw,260px);height:2px;background:var(--line-strong)}
.work__bar i{display:block;height:100%;background:var(--accent);transform:scaleX(0);transform-origin:left}
.work__track{display:flex;gap:20px;padding:0 var(--gutter) 24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--accent) transparent}
.work.is-pinned{padding:0;height:auto}
.work.is-pinned .work__pin{position:sticky;top:0;height:100vh;height:100svh;display:flex;flex-direction:column;justify-content:center;padding-top:calc(var(--hdr-h) + 10px);overflow:hidden}
.work.is-pinned .work__head{width:100%;max-width:calc(var(--max) + 2*var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}
.work.is-pinned .work__meter{display:flex}
.work.is-pinned .work__track{width:max-content;overflow:visible;scroll-snap-type:none;padding-bottom:0;gap:24px;will-change:transform}

.pcard{--rx:0deg;--ry:0deg;position:relative;flex:0 0 min(84vw,520px);height:var(--ph);border-radius:var(--radius);overflow:hidden;background:var(--surface);scroll-snap-align:start;
  transform:perspective(1100px) rotateX(var(--rx)) rotateY(var(--ry));transition:transform .6s var(--ease)}
.work.is-pinned .pcard{flex-basis:clamp(320px,46vw,700px)}
.pcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.9) brightness(.88);transition:transform 1.3s var(--ease),filter .6s}
.pcard:hover img{transform:scale(1.07);filter:saturate(1.05) brightness(1)}
.pcard__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,12,14,.55) 0%,rgba(11,12,14,0) 32%,rgba(11,12,14,.94) 100%)}
.pcard__tag{position:absolute;left:20px;top:20px;padding:8px 12px;font:500 .68rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;background:rgba(11,12,14,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--line-strong)}
.pcard__body{position:absolute;left:0;right:0;bottom:0;padding:clamp(20px,2.4vw,32px)}
.pcard__body h3{font:800 clamp(1.7rem,3vw,2.6rem)/1 var(--font);font-stretch:75%;text-transform:uppercase}
.pcard__body p{margin-top:8px;color:#cfcdc8;font-size:.95rem;max-width:42ch}
.pcard__meta{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:8px 32px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line-strong)}
.pcard__meta dt{font:500 .64rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.pcard__meta dd{margin-top:6px;font-weight:700;font-size:1.05rem}
.pcard__go{position:absolute;right:20px;top:20px;width:52px;height:52px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:var(--on-accent);opacity:0;transform:scale(.4) rotate(-45deg);transition:opacity .4s,transform .7s var(--ease)}
.pcard:hover .pcard__go{opacity:1;transform:none}
.pcard--cta{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;padding:clamp(24px,3vw,40px);background:var(--accent);color:var(--on-accent);transform:none}
.pcard--cta .mono{color:rgba(11,12,14,.7)}
.pcard--cta strong{font-size:clamp(2.4rem,5vw,4.6rem);line-height:.92}
.pcard--cta .btn{--btn-bg:var(--on-accent);--btn-fg:var(--text);--btn-sweep:var(--text);--btn-fg-h:var(--on-accent)}
.pcard--cta:hover{background:#ff7d36}
.work.is-pinned .pcard--cta{flex-basis:clamp(300px,34vw,520px)}

/* ---------- méthode ---------- */
.method{padding:var(--sec) 0}
.method__grid{display:grid;gap:36px}
.method__frame{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius);background:var(--surface)}
.method__frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.1);transition:opacity .9s var(--ease),transform 1.4s var(--ease)}
.method__frame img.is-on{opacity:1;transform:none}
.method__frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(11,12,14,.7))}
.method__badge{position:absolute;z-index:2;left:20px;bottom:18px}
.method__badge b{font-weight:500;color:var(--accent)}
.method__steps{position:relative;--p:0}
.step{position:relative;padding:0 0 clamp(36px,5vw,56px) 44px}
.step::before{content:"";position:absolute;left:5px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--line-strong);transition:background-color .4s,border-color .4s,box-shadow .4s;z-index:1}
.step.is-active::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 7px rgba(255,107,26,.18)}
.method__steps::before,.method__steps::after{content:"";position:absolute;left:11px;top:10px;bottom:0;width:2px}
.method__steps::before{background:var(--line)}
.method__steps::after{background:var(--accent);transform:scaleY(var(--p));transform-origin:top}
.step__n{color:var(--accent)}
.step__t{margin-top:10px;font:800 clamp(1.9rem,3.8vw,3.1rem)/1 var(--font);font-stretch:75%;text-transform:uppercase}
.step p{margin-top:14px;color:var(--muted);max-width:50ch}
.step__tag{display:inline-flex;align-items:center;gap:10px;margin-top:20px;padding:10px 14px;border:1px solid var(--line-strong);border-radius:var(--radius);font-size:.85rem;font-weight:600}
.step__tag .ic{color:var(--accent)}
@media (min-width:900px){
  .method__grid{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(48px,7vw,110px);align-items:start}
  .method__visual{position:sticky;top:calc(var(--hdr-h) + 5vh)}
  .method__frame{aspect-ratio:4/5;max-height:calc(100vh - var(--hdr-h) - 10vh)}
  .step{min-height:46vh;padding-bottom:clamp(56px,10vh,110px);opacity:.42;transition:opacity .6s var(--ease)}
  .step.is-active{opacity:1}
  .step:last-child{min-height:0;padding-bottom:0}
}
.no-anim .step{opacity:1}

/* ---------- engagements (section claire) ---------- */
.why{padding:var(--sec) 0}
.bento{display:grid;gap:16px}
.bento__card{position:relative;overflow:hidden;height:100%;min-height:300px;display:flex;flex-direction:column;justify-content:flex-end;gap:12px;padding:clamp(26px,3vw,44px);
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);transition:transform .6s var(--ease),box-shadow .6s var(--ease),border-color .4s}
.bento__card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -20px rgba(16,18,20,.35);border-color:rgba(255,107,26,.6)}
.bento__card>*{position:relative}
.bento__card .ic--xl{position:absolute;left:clamp(26px,3vw,44px);top:clamp(26px,3vw,44px)}
.bento__card h3{font:800 clamp(1.7rem,2.8vw,2.4rem)/1 var(--font);font-stretch:75%;text-transform:uppercase;margin-top:auto}
.bento__card p{color:var(--muted);max-width:42ch}
.bento__big{position:absolute!important;right:clamp(16px,2vw,32px);top:-.12em;font-size:clamp(9rem,17vw,16rem);line-height:1;color:rgba(16,18,20,.07);pointer-events:none;transition:color .5s,transform .8s var(--ease)}
.bento__card:hover .bento__big{color:rgba(255,107,26,.2);transform:translateY(8px)}
@media (min-width:900px){
  .bento{grid-template-columns:repeat(12,1fr)}
  .bento__item--a,.bento__item--d{grid-column:span 7}
  .bento__item--b,.bento__item--c{grid-column:span 5}
  .bento__card{min-height:340px}
}
.spot::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(255,107,26,.17),transparent 60%)}
.spot:hover::before{opacity:1}

/* ---------- avis ---------- */
.reviews{padding:var(--sec) 0 calc(var(--sec)*.8)}
.reviews__grid{display:grid;gap:16px}
.reviews__grid>li{display:flex}
.quote{position:relative;overflow:hidden;width:100%;display:flex;flex-direction:column;gap:28px;padding:clamp(26px,3vw,40px);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .4s,transform .6s var(--ease)}
.quote:hover{border-color:rgba(255,107,26,.55);transform:translateY(-4px)}
.quote>*{position:relative}
.quote__mark{width:44px;height:33px;fill:var(--accent)}
.quote blockquote{font-size:clamp(1.1rem,1.5vw,1.3rem);line-height:1.5;font-weight:500}
.quote figcaption{display:flex;align-items:center;gap:14px;margin-top:auto;padding-top:22px;border-top:1px solid var(--line)}
.quote figcaption b{display:block;font-size:.95rem}
.quote figcaption small{color:var(--muted);font-size:.82rem}
.avatar{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line-strong);font:500 .75rem/1 var(--mono);letter-spacing:.06em;color:var(--accent)}
@media (min-width:900px){.reviews__grid{grid-template-columns:repeat(3,1fr)}}

/* ---------- bandeau CTA ---------- */
.band{position:relative;isolation:isolate;overflow:clip;display:flex;align-items:center;min-height:min(86vh,760px);padding:clamp(72px,10vw,120px) 0}
.band__media{position:absolute;inset:-12% 0;z-index:-2;will-change:transform}
.band__media img{width:100%;height:100%;object-fit:cover}
.band__shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(11,12,14,.9) 0%,rgba(11,12,14,.55) 60%,rgba(11,12,14,.35) 100%),linear-gradient(180deg,var(--bg) 0%,transparent 18%,transparent 82%,var(--bg) 100%)}
.band__inner{display:grid;gap:36px;align-items:end}
.band__title{font-size:clamp(3rem,8.4vw,8rem)}
.band__side .lead{color:#d3d1cc}
.band__btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
@media (min-width:900px){.band__inner{grid-template-columns:1.4fr .8fr;gap:60px}}

/* ---------- FAQ ---------- */
.faq{padding:var(--sec) 0}
.faq__grid{display:grid;gap:40px}
.faq__grid header .h2{margin:22px 0 24px}
.faq__item{border-top:1px solid var(--line)}
.faq__item:last-child{border-bottom:1px solid var(--line)}
.faq__q{display:flex;width:100%;align-items:center;justify-content:space-between;gap:24px;padding:26px 0;text-align:left;font-weight:600;font-size:clamp(1.05rem,1.7vw,1.35rem);line-height:1.3;transition:color .3s,padding .5s var(--ease)}
.faq__q:hover{color:var(--accent);padding-left:10px}
.faq__q i{position:relative;flex:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:50%;transition:background-color .4s,border-color .4s,transform .6s var(--ease)}
.faq__q i::before,.faq__q i::after{content:"";position:absolute;left:50%;top:50%;width:14px;height:2px;margin:-1px 0 0 -7px;background:currentColor;transition:transform .5s var(--ease)}
.faq__q i::after{transform:rotate(90deg)}
.faq__q[aria-expanded="true"] i{background:var(--accent);border-color:var(--accent);color:var(--on-accent);transform:rotate(180deg)}
.faq__q[aria-expanded="true"] i::after{transform:rotate(0)}
.faq__a{display:grid;grid-template-rows:0fr;visibility:hidden;transition:grid-template-rows .55s var(--ease),visibility 0s .55s}
.faq__a>div{overflow:hidden}
.faq__a p{padding:0 70px 28px 0;color:var(--muted);max-width:62ch}
.faq__item.is-open .faq__a{grid-template-rows:1fr;visibility:visible;transition-delay:0s}
@media (min-width:900px){.faq__grid{grid-template-columns:5fr 7fr;gap:clamp(48px,8vw,120px);align-items:start}.faq__grid header{position:sticky;top:calc(var(--hdr-h) + 40px)}}

/* ---------- devis ---------- */
.quote-sec{padding:var(--sec) 0;background:var(--bg-2);border-top:1px solid var(--line)}
.devis__grid{display:grid;gap:48px}
.devis__side .h2{margin:22px 0 24px}
.devis__steps{display:grid;gap:0;margin-top:36px;border-top:1px solid var(--line)}
.devis__steps li{display:flex;align-items:center;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-weight:500}
.devis__steps b{color:var(--accent);font-weight:500}
.devis__contact{display:grid;gap:6px;margin-top:32px}
.devis__contact a,.devis__loc{display:flex;align-items:center;gap:16px;padding:12px 0;font-weight:600;font-size:1.1rem;transition:color .3s}
.devis__contact a:hover{color:var(--accent)}
.devis__contact .ic{width:44px;height:44px;padding:12px;border:1px solid var(--line-strong);border-radius:50%;color:var(--accent);flex:none}
.devis__contact small{display:block;font:500 .66rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.devis__panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:clamp(24px,4vw,52px)}
@media (min-width:1000px){.devis__grid{grid-template-columns:5fr 6fr;gap:clamp(48px,7vw,110px);align-items:start}.devis__side{position:sticky;top:calc(var(--hdr-h) + 40px)}}

.form{display:grid;gap:26px}
.form__group{border:0;margin:0;padding:0;min-width:0}
.form__group legend,.field label{display:block;margin-bottom:10px;padding:0;font:600 .78rem/1.2 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.req{color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.chip span{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border:1px solid var(--line-strong);border-radius:var(--radius);font-weight:600;font-size:.92rem;transition:background-color .3s,border-color .3s,color .3s,transform .4s var(--ease)}
.chip:hover span{border-color:var(--accent);transform:translateY(-2px)}
.chip input:checked+span{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.chip input:focus-visible+span{outline:2px solid var(--text);outline-offset:3px}
.form__row{display:grid;gap:26px}
@media (min-width:640px){.form__row{grid-template-columns:1fr 1fr;gap:24px}}
.field{min-width:0}
.field input,.field select,.field textarea{width:100%;min-height:48px;padding:12px 0;background:transparent;color:var(--text);border:0;border-bottom:1px solid var(--line-strong);border-radius:0;font:inherit;font-size:1.02rem;transition:border-color .3s,background-color .3s,box-shadow .3s;appearance:none;-webkit-appearance:none}
.field textarea{resize:vertical;min-height:110px}
.field input::placeholder,.field textarea::placeholder{color:#7e8188}
.field input:hover,.field select:hover,.field textarea:hover{border-bottom-color:var(--text)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom-color:var(--accent);box-shadow:0 1px 0 var(--accent);background:rgba(255,107,26,.05)}
.field [aria-invalid="true"]{border-bottom-color:#ff6b5e;box-shadow:0 1px 0 #ff6b5e}
.select{position:relative}
.select::after{content:"";position:absolute;right:4px;top:50%;width:9px;height:9px;margin-top:-6px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);pointer-events:none}
.select select{padding-right:28px;cursor:pointer}
.select option{background:#16181c;color:#f3f0ea}
.err{margin-top:8px;color:#ff8a7a;font-size:.86rem}
.err:empty{display:none}
.check{position:relative;display:flex;align-items:flex-start;gap:14px;cursor:pointer;font-size:.9rem;color:var(--muted);line-height:1.45}
.check input{position:absolute;opacity:0;width:24px;height:24px;margin:0;cursor:pointer}
.check__box{display:grid;place-items:center;flex:none;width:24px;height:24px;margin-top:1px;border:1px solid var(--line-strong);border-radius:4px;transition:background-color .3s,border-color .3s}
.check__box .ic{width:15px;height:15px;stroke-width:3;color:var(--on-accent);opacity:0;transform:scale(.4);transition:opacity .25s,transform .4s var(--ease)}
.check input:checked+.check__box{background:var(--accent);border-color:var(--accent)}
.check input:checked+.check__box .ic{opacity:1;transform:none}
.check input:focus-visible+.check__box{outline:2px solid var(--text);outline-offset:3px}
.check a{color:var(--text);text-decoration:underline;text-underline-offset:3px}
.form__note{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:-6px;font-size:.84rem;color:var(--muted)}
.form__note .ic{color:var(--accent)}
.form__ok{display:grid;justify-items:start;gap:18px;padding:clamp(8px,2vw,24px) 0}
.form__ok:focus{outline:none}
.form__ok-ic{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:var(--accent);color:var(--on-accent)}
.form__ok-ic .ic{width:30px;height:30px;stroke-width:2.4}
.form__ok h3{font-size:clamp(2rem,4vw,3rem)}
.form__ok p{color:var(--muted);max-width:44ch}
.form__ok a{color:var(--text);text-decoration:underline;text-underline-offset:3px}
.form__ok b{color:var(--text);font-weight:600;overflow-wrap:anywhere}
.form__ok-actions{display:flex;flex-wrap:wrap;gap:12px}
.recap{width:100%;min-height:190px;padding:14px 16px;background:var(--bg-2);color:var(--text);border:1px solid var(--line-strong);border-radius:var(--radius);font:400 .86rem/1.55 var(--mono);resize:vertical}
.recap:focus{outline:2px solid var(--accent);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- pied de page ---------- */
.foot{padding:clamp(56px,7vw,96px) 0 28px;border-top:1px solid var(--line)}
.foot__grid{display:grid;gap:40px;padding-bottom:48px}
.foot__brand p{margin-top:20px;color:var(--muted);max-width:34ch}
.foot__nav{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.foot__nav b{color:var(--muted);font-weight:500;margin-bottom:6px}
.foot__nav a{position:relative;font-weight:500;transition:color .3s}
.foot__nav a:hover{color:var(--accent)}
.foot__nav span{color:var(--muted)}
.foot__bar{display:flex;flex-direction:column;gap:10px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem}
.foot__bar a{text-decoration:underline;text-underline-offset:3px}
@media (min-width:800px){.foot__grid{grid-template-columns:2fr 1fr 1fr}.foot__bar{flex-direction:row;justify-content:space-between}}

/* ---------- barre d'action mobile ---------- */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:95;display:flex;gap:10px;padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,12,14,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .6s var(--ease)}
.dock.is-on{transform:none}
.dock .btn{flex:1}
.dock .btn--accent{flex:1.6}
@media (min-width:800px){.dock{display:none}}
@media (max-width:799px){body{padding-bottom:0}.foot{padding-bottom:96px}}

/* ---------- mouvement réduit ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .loader{display:none}
  .marquee__track{animation:none}
  .js [data-reveal],.js [data-reveal] .line>span{opacity:1;transform:none;clip-path:none}
  .hero__media img{transform:none}
  .js .hero__card-bar i{transform:none}
  .step{opacity:1}
  .manifesto__text .w{opacity:1}
}