/* ================= POLICES AUTO-HÉBERGÉES (aucune requête externe) ================= */
@font-face{font-family:"Archivo";src:url("fonts/archivo-var.woff2") format("woff2-variations");font-weight:400 900;font-stretch:62% 125%;font-display:swap;font-style:normal}
@font-face{font-family:"IBM Plex Sans";src:url("fonts/plex-sans-400.woff2") format("woff2");font-weight:400;font-display:swap;font-style:normal}
@font-face{font-family:"IBM Plex Sans";src:url("fonts/plex-sans-500.woff2") format("woff2");font-weight:500;font-display:swap;font-style:normal}
@font-face{font-family:"IBM Plex Sans";src:url("fonts/plex-sans-600.woff2") format("woff2");font-weight:600;font-display:swap;font-style:normal}
@font-face{font-family:"IBM Plex Mono";src:url("fonts/plex-mono-400.woff2") format("woff2");font-weight:400;font-display:swap;font-style:normal}
@font-face{font-family:"IBM Plex Mono";src:url("fonts/plex-mono-500.woff2") format("woff2");font-weight:500;font-display:swap;font-style:normal}
@font-face{font-family:"IBM Plex Mono";src:url("fonts/plex-mono-600.woff2") format("woff2");font-weight:600;font-display:swap;font-style:normal}

/* ================= CHOK'BÉTON — feuille de style ================= */
:root{
  --beton-0:#F5F4F1; --beton-1:#E7E5E0; --beton-2:#D5D2CB;
  --encre:#14161A; --encre-2:#1E2126; --acier:#5C6672;
  /* Jaune du logo. Il ne contraste pas avec le fond clair (1,3:1) : on l'emploie en aplat, avec du texte
     encre dessus (12,9:1). Le petit texte d'accent est encre sur fond clair, jaune sur fond sombre.
     --signal-edge : filet sombre qui détoure les traits jaunes fins sur fond clair. */
  --signal:#FED724; --signal-2:#E9C10F;
  --signal-txt:var(--encre); --signal-edge:var(--encre);
  --f-display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;
  --pad:clamp(20px,5vw,64px); --max:1240px; --rule:1px solid var(--beton-2);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--f-body);background:var(--beton-0);color:var(--encre);font-size:17px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.grain::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity:.05;mix-blend-mode:multiply}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--pad);position:relative;z-index:1}

/* ---------- typo ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:800;font-stretch:112%;line-height:1.04;letter-spacing:-.015em}
h1{font-size:clamp(2.3rem,5.4vw,4.4rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.8rem)}
h3{font-size:clamp(1.12rem,1.7vw,1.38rem);font-weight:700;letter-spacing:-.005em}
h4{font-size:1.02rem;font-weight:700;font-stretch:110%}
p{max-width:64ch}
.lead{font-size:clamp(1.03rem,1.4vw,1.2rem);color:var(--acier);line-height:1.55}
.eyebrow{font-family:var(--f-mono);font-size:.7rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--acier);display:flex;align-items:center;gap:.7rem;margin-bottom:1.4rem}
.eyebrow::before{content:"";width:26px;height:6px;background:var(--signal);outline:1px solid var(--signal-edge);flex:none}
.mono{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.04em}

/* ---------- boutons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--f-mono);font-size:.82rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;padding:.95rem 1.5rem;border:1.5px solid var(--encre);background:transparent;color:var(--encre);cursor:pointer;transition:background .18s,color .18s,border-color .18s,transform .18s}
.btn:hover{background:var(--encre);color:var(--beton-0);transform:translateY(-1px)}
.btn--signal{background:var(--signal);border-color:var(--signal);color:var(--encre)}
.btn--signal:hover{background:var(--signal-2);border-color:var(--signal-2);color:var(--encre)}
.btn--light{border-color:rgba(255,255,255,.4);color:#fff}
.btn--light:hover{background:#fff;color:var(--encre);border-color:#fff}
:focus-visible{outline:3px solid var(--signal-txt);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--encre);color:#fff;padding:.8rem 1.2rem;z-index:999}
.skip:focus{left:0}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:100;background:rgba(245,244,241,.9);backdrop-filter:blur(10px);border-bottom:var(--rule);transition:box-shadow .2s}
.hdr.scrolled{box-shadow:0 1px 0 var(--beton-2),0 12px 30px -22px rgba(20,22,26,.5)}
.hdr__in{display:flex;align-items:center;gap:1.4rem;height:74px}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;line-height:1;flex:none}
.brand__mark{width:40px;height:40px;flex:none}
.brand__txt{display:flex;flex-direction:column}
.brand__name{font-family:var(--f-display);font-weight:900;font-stretch:118%;font-size:1.35rem;letter-spacing:-.02em}
.brand__name i{font-style:normal;color:var(--encre)}
.brand__tag{font-family:var(--f-mono);font-size:.55rem;letter-spacing:.19em;color:var(--acier);margin-top:.32rem;text-transform:uppercase}
.nav{display:flex;gap:1.5rem;margin-left:auto;align-items:center}
.nav>a,.drop>button{font-family:var(--f-mono);font-size:.77rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;padding:.4rem 0;position:relative;background:none;border:0;color:inherit;cursor:pointer}
.nav>a::after,.drop>button::after{content:"";position:absolute;left:0;bottom:0;height:4px;width:0;background:var(--signal);transition:width .22s}
.nav>a:hover::after,.drop>button:hover::after,.nav>a.is-on::after,.drop.is-on>button::after{width:100%}
.drop{position:relative}
.drop>button{display:inline-flex;align-items:center;gap:.4rem}
.drop>button b{font-weight:400;font-size:.6rem;transition:transform .2s}
.drop.open>button b{transform:rotate(180deg)}
.drop__menu{position:absolute;top:calc(100% + 14px);left:-16px;min-width:270px;background:var(--beton-0);border:var(--rule);box-shadow:0 24px 50px -30px rgba(20,22,26,.6);padding:.4rem;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s,visibility .18s}
.drop.open .drop__menu{opacity:1;visibility:visible;transform:none}
.drop__menu a{display:block;padding:.7rem .9rem;text-decoration:none;font-size:.9rem;border-left:2px solid transparent;transition:background .15s,border-color .15s}
.drop__menu a:hover{background:var(--beton-1);border-left-color:var(--signal)}
.drop__menu a span{display:block;font-family:var(--f-mono);font-size:.63rem;letter-spacing:.1em;text-transform:uppercase;color:var(--acier);margin-top:.15rem}
.hdr__tel{display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;font-family:var(--f-mono);font-weight:600;font-size:.85rem;padding:.7rem 1.1rem;background:var(--encre);color:var(--beton-0);transition:background .18s}
.hdr__tel:hover{background:var(--signal);color:var(--encre)}
.burger{display:none;width:44px;height:44px;margin-left:auto;border:var(--rule);background:transparent;cursor:pointer;position:relative}
.burger i{position:absolute;left:11px;right:11px;height:2px;background:var(--encre);transition:transform .25s,opacity .2s}
.burger i:nth-child(1){top:15px}.burger i:nth-child(2){top:21px}.burger i:nth-child(3){top:27px}
.burger.open i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open i:nth-child(2){opacity:0}
.burger.open i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero accueil ---------- */
.hero{position:relative;border-bottom:var(--rule);overflow:hidden}
.hero__in{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,64px);align-items:center;padding-block:clamp(48px,7vw,92px)}
.hero h1{margin:.9rem 0 1.4rem;font-size:clamp(2.5rem,6vw,5rem)}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:-2%;right:-2%;bottom:.12em;height:.09em;background:var(--signal);transform:scaleX(0);transform-origin:left;animation:slash 1s cubic-bezier(.7,0,.15,1) .45s forwards}
@keyframes slash{to{transform:scaleX(1)}}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.hero__facts{display:flex;flex-wrap:wrap;margin-top:2.4rem;border-top:var(--rule)}
.fact{padding:1.1rem 1.6rem 1.1rem 0;margin-right:1.6rem;border-right:var(--rule)}
.fact:last-child{border-right:0;margin-right:0}
.fact b{display:block;font-family:var(--f-display);font-weight:800;font-stretch:112%;font-size:1.7rem;line-height:1}
.fact span{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--acier)}

/* ---------- signature : traçage / coupe ---------- */
.cutbox{position:relative;background:var(--beton-1);border:var(--rule);padding:18px}
.cutbox__head{display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:var(--f-mono);font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;color:var(--acier);margin-bottom:12px}
.replay{border:var(--rule);background:transparent;font-family:var(--f-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;padding:.35rem .6rem;cursor:pointer;color:var(--acier)}
.replay:hover{color:var(--signal-txt);border-color:var(--signal)}
.cutbox svg{width:100%;height:auto;display:block}
.trace{stroke:var(--acier);stroke-width:1.4;fill:none;stroke-dasharray:6 5;opacity:0}
.cut{stroke:var(--signal);stroke-width:5;filter:drop-shadow(0 0 .7px var(--encre)) drop-shadow(0 0 .7px var(--encre));fill:none;stroke-linecap:square;stroke-dasharray:var(--len,1200);stroke-dashoffset:var(--len,1200)}
.dimline{stroke:var(--acier);stroke-width:1;opacity:0}
.dimtxt{font-family:var(--f-mono);font-size:11px;fill:var(--acier);opacity:0;letter-spacing:.08em}
.block{fill:#CFCCC4}
.void{fill:var(--encre)}
.play .trace{animation:fadein .5s ease .2s forwards}
.play .dimline,.play .dimtxt{animation:fadein .5s ease .7s forwards}
.play .cut{animation:draw 1.5s cubic-bezier(.65,0,.35,1) 1.15s forwards}
.play .block{animation:drop 1s cubic-bezier(.55,0,.3,1) 2.6s forwards}
@keyframes fadein{to{opacity:1}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes drop{to{transform:translateY(16px);opacity:0}}
.cutbox__cap{font-family:var(--f-mono);font-size:.63rem;letter-spacing:.1em;color:var(--acier);margin-top:12px;text-transform:uppercase}

/* ---------- hero pages intérieures ---------- */
.phero{position:relative;border-bottom:var(--rule);background:var(--beton-1);overflow:hidden}
.phero__in{padding-block:clamp(34px,5vw,64px)}
.phero h1{margin:.6rem 0 1.2rem;max-width:18ch}
.phero .lead{max-width:66ch}
.phero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.9rem}
.crumb{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--acier);margin-bottom:1.3rem}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--signal-txt)}
.crumb span{margin-inline:.5rem;color:var(--beton-2)}

/* ---------- bandeaux / sections ---------- */
.band{background:var(--encre);color:var(--beton-1);position:relative}
.band__in{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 2.4rem;padding-block:1.15rem}
.band__lbl{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--signal-txt)}
.band__it{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;opacity:.82}
.sec{padding-block:clamp(52px,7vw,104px);position:relative;border-bottom:var(--rule)}
.sec--tight{padding-block:clamp(40px,5vw,72px)}
.sec--dark{background:var(--encre);color:var(--beton-1);border-bottom:0}
.sec--dark,.band,.ft{--signal-txt:var(--signal);--signal-edge:transparent}
.sec--dark h2,.sec--dark h3,.sec--dark h4,.sec--dark strong{color:#fff}
.sec--dark .lead,.sec--dark .eyebrow,.sec--dark p{color:#9AA3AE}
.sec__head{max-width:70ch;margin-bottom:clamp(30px,4vw,52px)}
.sec__head h2{margin-bottom:1rem}

/* ---------- cartes métiers ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--beton-2);border:var(--rule)}
.card{background:var(--beton-0);padding:clamp(22px,2.6vw,34px);position:relative;overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:background .25s}
.card::after{content:"";position:absolute;top:0;left:0;height:4px;width:0;background:var(--signal);transition:width .35s cubic-bezier(.7,0,.2,1)}
.card:hover{background:var(--beton-1)}
.card:hover::after{width:100%}
.card h3{margin:.2rem 0 .7rem}
.card p{font-size:.95rem;color:var(--acier);margin-bottom:1.1rem}
.card__idx{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.16em;color:var(--signal-txt);text-transform:uppercase}
.card__go{margin-top:auto;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--encre);display:inline-flex;gap:.5rem;align-items:center}
.card:hover .card__go{color:var(--signal-txt)}
.spec{list-style:none;border-top:var(--rule);padding-top:.9rem;margin-bottom:1.2rem}
.spec li{display:flex;justify-content:space-between;gap:1rem;font-family:var(--f-mono);font-size:.72rem;padding:.32rem 0;color:var(--acier)}
.spec li b{color:var(--encre);font-weight:600;text-align:right}

/* ---------- contenu éditorial ---------- */
.prose{max-width:none}
.prose h2{margin-top:0}
.prose h3{margin-top:2.2rem;margin-bottom:.7rem}
.prose p{margin-bottom:1rem}
.prose p+h3{margin-top:2.4rem}
.prose ul{list-style:none;margin:1rem 0 1.4rem}
.prose ul li{position:relative;padding-left:1.6rem;margin-bottom:.55rem;max-width:64ch}
.prose ul li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:5px;background:var(--signal);outline:1px solid var(--signal-edge)}
.prose strong{font-weight:600}
.layout{display:grid;grid-template-columns:1fr 340px;gap:clamp(30px,4vw,64px);align-items:start}
.aside{position:sticky;top:98px;border:var(--rule);background:var(--beton-1)}
.aside__blk{padding:1.4rem 1.5rem;border-bottom:var(--rule)}
.aside__blk:last-child{border-bottom:0}
.aside h4{margin-bottom:.7rem}
.aside p{font-size:.9rem;color:var(--acier)}
.aside .k{font-family:var(--f-mono);font-size:.63rem;letter-spacing:.16em;text-transform:uppercase;color:var(--signal-txt);display:block;margin-bottom:.45rem}
.aside .tel{font-family:var(--f-display);font-weight:800;font-stretch:112%;font-size:1.5rem;text-decoration:none;display:block}
.aside .tel:hover{color:var(--signal-txt)}
.aside ul{list-style:none}
.aside ul li{border-bottom:var(--rule)}
.aside ul li:last-child{border-bottom:0}
.aside ul a{display:block;padding:.62rem 0;text-decoration:none;font-size:.9rem}
.aside ul a:hover{color:var(--signal-txt)}
.aside ul a.is-on{color:var(--signal-txt);font-weight:600}

/* ---------- tableau de specs ---------- */
.tbl{width:100%;border-collapse:collapse;border:var(--rule);margin:1.4rem 0 1.8rem;font-size:.92rem}
.tbl caption{text-align:left;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--acier);padding-bottom:.7rem}
.tbl th,.tbl td{padding:.8rem 1rem;border-bottom:var(--rule);text-align:left;vertical-align:top}
.tbl thead th{background:var(--beton-1);font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.tbl tbody tr:last-child th,.tbl tbody tr:last-child td{border-bottom:0}
.tbl td:last-child{font-family:var(--f-mono);font-size:.84rem}

/* ---------- FAQ ---------- */
.faq{border-top:var(--rule);margin-top:1rem}
.faq details{border-bottom:var(--rule)}
.faq summary{list-style:none;cursor:pointer;padding:1.15rem 2.4rem 1.15rem 0;position:relative;font-family:var(--f-display);font-weight:700;font-stretch:110%;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.3rem;top:1rem;font-family:var(--f-mono);font-size:1.3rem;color:var(--signal-txt);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding-bottom:1.3rem;color:var(--acier);font-size:.96rem}

/* ---------- étapes ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14)}
.steps--light{background:var(--beton-2);border:var(--rule)}
.step{background:var(--encre);padding:clamp(20px,2.2vw,28px)}
.steps--light .step{background:var(--beton-0)}
.step__n{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.16em;color:var(--signal-txt);display:block;margin-bottom:1rem}
.step h3{font-size:1.02rem;margin-bottom:.5rem}
.step p{font-size:.87rem;color:#9AA3AE;line-height:1.5}
.steps--light .step p{color:var(--acier)}
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem;margin-top:clamp(36px,4vw,60px);padding-top:2.3rem;border-top:1px solid rgba(255,255,255,.16)}
.why h3{font-size:1.02rem;font-weight:700;font-stretch:110%;margin-bottom:.45rem;color:#fff}
.why p{font-size:.86rem;line-height:1.5}

/* ---------- références ---------- */
.refs{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--beton-2);border:var(--rule)}
.ref{background:var(--beton-0);padding:clamp(24px,3vw,40px)}
.ref__media{aspect-ratio:16/9;background:var(--beton-1);border:var(--rule);margin-bottom:1.4rem;display:flex;align-items:flex-end;padding:14px;position:relative;overflow:hidden}
.ref__media::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(-45deg,transparent 0 14px,rgba(20,22,26,.045) 14px 15px)}
.ref__media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.ref__media span{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--acier);position:relative}
.ref__loc{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--signal-txt);margin-bottom:.6rem;display:block}
.ref p{font-size:.95rem;color:var(--acier);margin-top:.6rem}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1.2rem}
.tag{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;border:var(--rule);padding:.3rem .6rem;color:var(--acier)}

/* ---------- entreprise ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,4vw,64px);align-items:start}
.certs{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
.cert{border:1.5px solid var(--encre);padding:.7rem 1rem;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;line-height:1.3}
.cert b{display:block;font-size:.9rem;letter-spacing:.04em}
.statbox{border:var(--rule);background:var(--beton-1)}
.statbox div{padding:1.4rem 1.6rem;border-bottom:var(--rule);display:flex;align-items:baseline;justify-content:space-between;gap:1rem}
.statbox div:last-child{border-bottom:0}
.statbox b{font-family:var(--f-display);font-weight:800;font-stretch:112%;font-size:2rem;line-height:1}
.statbox span{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--acier);text-align:right}
.zone{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.6rem}
.zone span{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.08em;border:var(--rule);padding:.42rem .7rem;color:var(--acier)}
.zone span b{color:var(--encre);font-weight:600}
.jobs{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--beton-2);border:var(--rule);margin-top:2rem}
.job{background:var(--beton-0);padding:1.6rem;display:flex;flex-direction:column;gap:.5rem}
.job b{font-family:var(--f-display);font-weight:700;font-stretch:110%;font-size:1.05rem}
.job span{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--acier)}

/* ---------- bandeau CTA ---------- */
.ctaband{background:var(--signal);color:var(--encre);position:relative}
.ctaband__in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.6rem;padding-block:clamp(34px,4vw,54px)}
.ctaband h2{color:var(--encre);max-width:20ch}
.ctaband p{color:var(--encre);margin-top:.6rem}
.ctaband .acts{display:flex;flex-wrap:wrap;gap:.8rem}
.ctaband .btn{border-color:var(--encre);color:var(--encre)}
.ctaband .btn:hover{background:var(--encre);color:#fff}
.ctaband .btn--solid{background:var(--encre);color:#fff;border-color:var(--encre)}
.ctaband .btn--solid:hover{background:#fff;color:var(--encre);border-color:#fff}

/* ---------- formulaire ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.field{display:flex;flex-direction:column;gap:.45rem}
.field--full{grid-column:1/-1}
label{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:#9AA3AE}
input,select,textarea{font-family:var(--f-body);font-size:.98rem;color:#fff;background:var(--encre-2);border:1px solid rgba(255,255,255,.18);padding:.85rem .95rem;width:100%;border-radius:0;transition:border-color .18s,background .18s}
input:focus,select:focus,textarea:focus{border-color:var(--signal);background:#23262C;outline:none}
input::placeholder,textarea::placeholder{color:#6C7580}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9AA3AE 50%),linear-gradient(135deg,#9AA3AE 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
textarea{min-height:130px;resize:vertical}
input[type=file]{padding:.6rem;font-family:var(--f-mono);font-size:.78rem}
input[type=file]::file-selector-button{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3);padding:.5rem .8rem;margin-right:.8rem;cursor:pointer}
.consent{margin-top:1rem;font-size:.82rem;color:#9AA3AE;line-height:1.45;text-transform:none;letter-spacing:0;font-family:var(--f-body)}
.form-msg{display:none;padding:1.1rem 1.3rem;border-left:4px solid var(--signal);background:rgba(254,215,36,.12);font-size:.95rem;margin-top:1.2rem;color:#fff}
.form-msg.on,.form-msg:target{display:block}
.hint{display:block;margin-top:.45rem;font-size:.74rem;color:#9AA3AE}
.prog{position:relative;height:6px;margin-top:.9rem;background:rgba(255,255,255,.14)}
.prog i{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--signal);transition:width .2s linear}
.prog span{position:absolute;left:0;top:12px;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.08em;color:#9AA3AE}
.prog[hidden]{display:none}
.contact-side{border:1px solid rgba(255,255,255,.16);padding:clamp(22px,2.6vw,32px)}
.contact-side a{display:block;font-family:var(--f-display);font-weight:800;font-stretch:112%;font-size:clamp(1.5rem,2.4vw,2rem);text-decoration:none;color:#fff;margin-bottom:.3rem;transition:color .18s}
.contact-side a:hover{color:var(--signal-txt)}
.contact-side .k{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--signal-txt);display:block;margin-bottom:.5rem}
.contact-side .blk{padding-block:1.3rem;border-bottom:1px solid rgba(255,255,255,.14)}
.contact-side .blk:last-child{border-bottom:0;padding-bottom:0}
.contact-side p{font-size:.92rem;color:#9AA3AE}

/* ---------- footer ---------- */
.ft{background:var(--encre);color:#9AA3AE;padding-block:clamp(44px,5vw,64px) 0;position:relative}
.ft__in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.ft .ft__h{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:1rem;font-weight:600}
.ft ul{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.ft a{text-decoration:none;font-size:.9rem;transition:color .18s}
.ft a:hover{color:var(--signal-txt)}
.ft__brand{font-family:var(--f-display);font-weight:900;font-stretch:118%;font-size:1.5rem;color:#fff;letter-spacing:-.02em}
.ft__brand i{font-style:normal;color:var(--signal)}
.ft p{font-size:.9rem}
.ft__bottom{margin-top:clamp(34px,4vw,50px);border-top:1px solid rgba(255,255,255,.14);padding-block:1.4rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.06em}

/* ---------- barre mobile ---------- */
.mobar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;border-top:1px solid rgba(255,255,255,.2)}
.mobar a{flex:1;display:flex;align-items:center;justify-content:center;padding:1rem;text-decoration:none;font-family:var(--f-mono);font-size:.76rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.mobar a:nth-child(1){background:var(--encre);color:#fff}
.mobar a:nth-child(2){background:var(--signal);color:var(--encre)}

/* ---------- reveal ---------- */
.js .rev{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.js .rev.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1080px){
  .grid3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:repeat(2,1fr)}
  .ft__in{grid-template-columns:1fr 1fr}
  .layout{grid-template-columns:1fr}
  .aside{position:static}
}
/* menu replié dès 1080 px : au-delà de cette largeur, les liens et le téléphone tiennent sur une ligne */
@media(max-width:1080px){
  .nav{position:fixed;top:74px;left:0;right:0;background:var(--beton-0);flex-direction:column;align-items:stretch;gap:0;padding:0 var(--pad) 1.4rem;border-bottom:var(--rule);transform:translateY(-140%);transition:transform .3s cubic-bezier(.6,0,.2,1);max-height:calc(100vh - 74px);overflow:auto}
  .nav.open{transform:none}
  .nav>a,.drop>button{padding:1rem 0;border-bottom:var(--rule);font-size:.95rem;width:100%;text-align:left;justify-content:space-between}
  .drop__menu{position:static;opacity:1;visibility:visible;transform:none;border:0;box-shadow:none;min-width:0;padding:0 0 .6rem;display:none;background:transparent}
  .drop.open .drop__menu{display:block}
  .drop__menu a{padding:.6rem 0 .6rem 1rem;border-left:2px solid var(--beton-2)}
  .hdr__tel{display:none}
  .burger{display:block}
}
@media(max-width:900px){
  .hero__in{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .refs{grid-template-columns:1fr}
  .jobs{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .mobar{display:flex}
  body{padding-bottom:56px}
}
@media(max-width:640px){
  .grid3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .why{grid-template-columns:1fr}
  .ft__in{grid-template-columns:1fr}
  .fact{padding-right:1.1rem;margin-right:1.1rem}
  .fact b{font-size:1.4rem}
  .tbl{font-size:.85rem}
  .tbl th,.tbl td{padding:.6rem .7rem}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .js .rev{opacity:1;transform:none}
  .hero h1 em::after{transform:scaleX(1)}
  .trace,.dimline,.dimtxt{opacity:1}
  .cut{stroke-dashoffset:0}
}

/* ---------- photos de chantier ---------- */
.shot{position:relative;background:var(--beton-1);border:var(--rule);overflow:hidden;aspect-ratio:16/9}
.shot img{width:100%;height:100%;object-fit:cover}
.prose>.shot:first-child{margin:0 0 2rem}
.ref .shot{margin-bottom:1.1rem}
.shot figcaption{position:absolute;left:0;bottom:0;right:0;background:linear-gradient(transparent,rgba(20,22,26,.82));color:#fff;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;padding:2.2rem calc(7.5% + 1.6rem) .8rem .9rem;-webkit-mask-image:linear-gradient(to right,#000 72%,transparent 89%);mask-image:linear-gradient(to right,#000 72%,transparent 89%)}
.shot--todo{display:flex;align-items:flex-end;padding:14px}
.shot--todo::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(-45deg,transparent 0 14px,rgba(20,22,26,.045) 14px 15px)}
.shot--todo span{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--acier);position:relative}

/* ---------- communes ---------- */
.communes{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--beton-2);border:var(--rule)}
.communes a{background:var(--beton-0);padding:.9rem 1.1rem;text-decoration:none;font-size:.92rem;display:flex;justify-content:space-between;align-items:baseline;gap:.6rem;transition:background .18s}
.communes a:hover{background:var(--beton-1);color:var(--signal-txt)}
.communes a b{font-family:var(--f-mono);font-size:.66rem;color:var(--acier);font-weight:500}
.communes a:hover b{color:var(--signal-txt)}
@media(max-width:900px){.communes{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.communes{grid-template-columns:1fr}}

/* ---------- encadré ---------- */
.note{border-left:4px solid var(--signal);background:var(--beton-1);padding:1.2rem 1.4rem;margin:1.6rem 0}
.note p{margin-bottom:0;font-size:.95rem}
.note strong{font-weight:600}

/* titre lu par les lecteurs d'écran et Google, invisible à l'écran */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}