/* IRONION SARL · Le métal, maîtrisé. */
:root{
  --canvas:#0d1013;
  --panel:#151a1f;
  --panel-2:#1b2128;
  --line:rgba(176,192,208,.12);
  --line-strong:#5f6b77;
  --accent:#d0874f;
  --accent-hover:#e39a60;
  --accent-muted:rgba(208,135,79,.18);
  --on-accent:#1a0f07;
  --spark:#ff7a2e;
  --steel:#8b97a2;
  --text-primary:#ece9e4;
  --text-secondary:#9aa4ae;
  --ff-display:"Big Shoulders Display",Impact,"Arial Narrow",sans-serif;
  --ff-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.65,0,.35,1);
  --gut:clamp(20px,5vw,72px);
  --tshadow:0 1px 2px rgba(5,6,8,.95),0 3px 12px rgba(5,6,8,.78),0 10px 44px rgba(5,6,8,.8);
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden;overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;overflow-x:clip;background:var(--canvas);color:var(--text-primary);font:400 17px/1.65 var(--ff-body);-webkit-font-smoothing:antialiased;animation:pageIn .9s var(--ease-out) both}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:800}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
.sr,.split-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mono{font-family:var(--ff-mono);font-weight:500;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase}
.skip{position:fixed;left:16px;top:-60px;z-index:100;background:var(--accent);color:var(--on-accent);padding:10px 16px;border-radius:6px;font-weight:600;text-decoration:none;transition:top .3s var(--ease-out)}
.skip:focus{top:16px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
main:focus{outline:none}

/* ---------- the environment layer ---------- */
.env{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.env::before{content:"";position:absolute;inset:-30%;background:
  radial-gradient(40% 35% at 20% 30%,rgba(208,135,79,.07),transparent 70%),
  radial-gradient(45% 40% at 80% 70%,rgba(120,150,180,.06),transparent 70%),
  radial-gradient(30% 30% at 60% 10%,rgba(160,175,190,.04),transparent 70%);
  animation:drift 90s ease-in-out -20s infinite alternate}
.env::after{content:"";position:absolute;inset:0;opacity:.07;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes drift{0%{transform:translate3d(-3%,-2%,0) rotate(0deg)}100%{transform:translate3d(3%,2%,0) rotate(4deg)}}
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;border-radius:999px;font:600 15px/1 var(--ff-body);letter-spacing:.02em;text-decoration:none;border:1px solid transparent;cursor:pointer;text-shadow:none;transition:background-color .35s var(--ease-out),color .35s var(--ease-out),border-color .35s var(--ease-out),transform .35s var(--ease-out),box-shadow .35s var(--ease-out)}
.btn .ico{width:18px;height:18px;fill:currentColor;flex:none}
.btn-accent{background:var(--accent);color:var(--on-accent);box-shadow:0 0 0 0 rgba(208,135,79,0)}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 30px -10px rgba(208,135,79,.55)}
.btn-ghost{background:rgba(13,16,19,.45);color:var(--text-primary);border-color:rgba(236,233,228,.38);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--text-primary);background:rgba(13,16,19,.7);transform:translateY(-2px)}
.btn-lg{padding:18px 30px;font-size:16px}
.link-arrow{display:inline-flex;align-items:baseline;gap:10px;color:var(--accent);font-weight:600;text-decoration:none;border-bottom:1px solid var(--accent-muted);padding-bottom:4px;transition:border-color .35s var(--ease-out),gap .35s var(--ease-out)}
.link-arrow:hover{border-color:var(--accent);gap:16px}
.link-arrow.sm{font-size:14px;margin-top:6px}
@media (pointer:coarse){.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center}.nav-links a,.filters button,.foot-nav a{min-height:44px;display:inline-flex;align-items:center}}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px var(--gut);transition:background-color .5s var(--ease-out),padding .5s var(--ease-out),border-color .5s var(--ease-out);border-bottom:1px solid transparent}
.nav::before{content:"";position:absolute;inset:0;z-index:-1;background:rgba(13,16,19,.82);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);opacity:0;transition:opacity .5s var(--ease-out)}
.nav.scrolled{padding-block:12px;border-bottom-color:var(--line)}
.nav.scrolled::before{opacity:1}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:44px;height:auto}
.brand-word{font:800 26px/1 var(--ff-display);letter-spacing:.08em;color:#d4d9de}
.brand-word b{color:var(--accent);font-weight:800}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a:not(.btn){position:relative;text-decoration:none;font-size:14.5px;font-weight:500;color:var(--text-primary);opacity:.82;transition:opacity .3s var(--ease-out)}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease-out)}
.nav-links a:not(.btn):hover{opacity:1}
.nav-links a:not(.btn):hover::after{transform:scaleX(1);transform-origin:left}
.nav-cta{padding:11px 20px;font-size:14px}
.burger{display:none;width:46px;height:46px;border-radius:50%;border:1px solid rgba(236,233,228,.3);background:rgba(13,16,19,.5);cursor:pointer;position:relative}
.burger span{position:absolute;left:14px;right:14px;height:1.5px;background:var(--text-primary);transition:transform .45s var(--ease-out)}
.burger span:first-child{top:18px}.burger span:last-child{top:26px}
.burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}
@media (max-width:980px){
  .burger{display:block;z-index:2}
  .nav-links{position:fixed;inset:0;flex-direction:column;justify-content:center;gap:22px;background:rgba(10,12,15,.97);opacity:0;visibility:hidden;transition:opacity .45s var(--ease-out),visibility 0s linear .45s}
  .nav-links a:not(.btn){font:800 34px/1.1 var(--ff-display);letter-spacing:.04em;text-transform:uppercase;opacity:1}
  .nav.open .nav-links{opacity:1;visibility:visible;transition:opacity .45s var(--ease-out),visibility 0s}
  .nav-cta{margin-top:14px;font-size:16px;padding:16px 28px}
}

/* ---------- hero ---------- */
.hero{position:relative;height:480vh}
.stage{position:sticky;top:0;height:100vh;overflow:hidden;background:#0a0c0e}
.poster,.poster-end,.static-bg,#heroVideo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background-size:cover;background-position:center}
.poster-end{opacity:0}
.static-bg{display:none}
#heroVideo{opacity:0;transition:opacity .8s var(--ease-out);will-change:transform;transform:translateZ(0)}
.stage.video-ready #heroVideo{opacity:1}
.scrim{position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(ellipse 120% 90% at 50% 45%,rgba(8,10,12,0) 35%,rgba(8,10,12,.62) 100%),
  linear-gradient(180deg,rgba(8,10,12,.55) 0%,rgba(8,10,12,0) 18%,rgba(8,10,12,0) 82%,rgba(8,10,12,.5) 100%)}
.band{position:absolute;z-index:2;opacity:0;isolation:isolate;text-shadow:var(--tshadow);pointer-events:none}
.band .btn{text-shadow:none}
.band::before{content:"";position:absolute;inset:-32% -28%;z-index:-1;pointer-events:none;opacity:calc(.25 + .75*var(--k,1));background:radial-gradient(ellipse 62% 60% at 50% 50%,rgba(6,8,10,var(--sa,.68)) 0%,rgba(6,8,10,calc(var(--sa,.68)*.66)) 46%,rgba(6,8,10,0) 76%)}
.band-l{left:var(--gut);top:50%;transform:translateY(-46%);width:min(36vw,560px)}
.band-r{right:var(--gut);top:50%;transform:translateY(-46%);width:min(36vw,560px);text-align:right}
.band-c{left:50%;top:clamp(84px,13vh,140px);transform:translateX(-50%);width:min(920px,84vw);text-align:center;--sa:.72}
.band-c::before{inset:-30% -14% -20%}
.band.live{pointer-events:auto}
.kicker{display:inline-block;color:var(--accent);margin-bottom:18px}
.chip{background:rgba(8,10,13,.55);border:1px solid rgba(208,135,79,.28);border-radius:999px;padding:7px 14px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);text-shadow:0 1px 3px rgba(5,6,8,.85)}
.h-hero{font:800 clamp(64px,8.6vw,148px)/.86 var(--ff-display);letter-spacing:.005em;text-transform:uppercase;padding-bottom:.06em}
.h-band{font:800 clamp(44px,5.4vw,92px)/.92 var(--ff-display);text-transform:uppercase;letter-spacing:.005em}
.h-settle{font-size:clamp(42px,5vw,84px)}
.lede{margin-top:20px;font-size:clamp(16px,1.25vw,19px);line-height:1.6;color:#d9dde1;max-width:44ch}
.band-r .lede{margin-left:auto}
.band-c .lede{margin-inline:auto}
.settle-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.band-c .settle-cta{justify-content:center}
.split{display:inline}
.split .w{display:inline-block;white-space:nowrap}
.split .c{display:inline-block}

/* text in bands follows the band's --k */
.band .kicker,.band .lede:not(.settle-sub){--kl:clamp(0,(var(--k,0) - .25)*2.4,1);opacity:var(--kl);transform:translateY(calc((1 - var(--kl))*12px))}
.fx-drift .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.4,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*-30px))}
.fx-snap .c{--kc:clamp(0,(var(--k,0) - var(--th,0))*3,1);opacity:var(--kc);transform:translateX(calc((1 - var(--kc))*var(--jx,0px)))}
.fx-punch .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*3,1);--ks:clamp(0,(var(--k,0) - var(--th,0) - var(--sd,.1))*var(--ss,3.2),1);opacity:var(--kc);transform:scale(calc(.6 + (.4 + var(--ov,.12))*var(--kc) - var(--ov,.12)*var(--ks)))}
.fx-punch .w.em{--ov:.24;--sd:.16;--ss:2.6;color:var(--accent-hover)}
.fx-rise .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.6,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*28px))}
.fx-rise .settle-sub{--ks:clamp(0,(var(--k,0) - .62)*4,1);opacity:var(--ks)}
.fx-rise .settle-cta{--kb:clamp(0,(var(--k,0) - .74)*5,1);opacity:var(--kb);transform:translateY(calc((1 - var(--kb))*14px))}

.static-copy{display:none}
.ring{position:absolute;right:var(--gut);bottom:34px;width:40px;height:40px;color:var(--accent);z-index:3;transform:rotate(-90deg);transition:opacity .6s var(--ease-out)}
.stage.video-ready .ring,.stage.video-failed .ring{opacity:0}
.cue{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;z-index:3;color:var(--text-secondary);font-size:11px;transition:opacity .5s var(--ease-out)}
.cue i{width:1px;height:44px;background:linear-gradient(var(--accent),transparent);transform-origin:top;animation:cue 2.4s var(--ease-io) -.6s infinite}
@keyframes cue{0%{transform:scaleY(0);opacity:1}60%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}
.cue.gone{opacity:0}
@media (max-height:560px){.cue,.ring{display:none}}

/* the five static-hero gates (must match GATES in site.js) */
@media (max-width: 720px), (orientation: portrait) and (max-width: 1024px), (orientation: portrait) and (pointer: coarse), (orientation: landscape) and (pointer: coarse) and (max-height: 560px), (prefers-reduced-motion: reduce){
  .hero{height:auto}
  .stage{position:relative;height:100svh;min-height:600px;max-height:1100px}
  .band,.ring,.cue,#heroVideo,.poster,.poster-end{display:none}
  .static-bg{display:block;background-image:url("../hero-static.jpg");background-position:50% 40%}
  .scrim{background:linear-gradient(180deg,rgba(8,10,12,.55) 0%,rgba(8,10,12,.1) 26%,rgba(8,10,12,.35) 50%,rgba(8,10,12,.92) 78%,#0d1013 100%)}
  .static-copy{display:flex;flex-direction:column;align-items:flex-start;position:absolute;left:var(--gut);right:var(--gut);bottom:clamp(36px,8vh,72px);z-index:2;text-shadow:var(--tshadow)}
  .static-copy .btn{text-shadow:none}
  .static-copy .h-hero{font-size:clamp(60px,16vw,120px)}
  .static-copy .lede{max-width:40ch}
}

/* ---------- page & signature seam ---------- */
.page{position:relative}
.seam{position:absolute;top:0;bottom:0;left:max(8px,calc(50vw - 668px));width:4px;z-index:1;pointer-events:none}
.seam-track{position:absolute;inset:0;background:repeating-linear-gradient(180deg,rgba(139,151,162,.22) 0 10px,transparent 10px 18px)}
.seam-fill{position:absolute;inset:0;transform-origin:top;transform:scaleY(0);background:
  repeating-linear-gradient(180deg,rgba(255,255,255,.18) 0 2px,transparent 2px 6px),
  linear-gradient(180deg,#7a4a2a,#b8723f 40%,var(--accent) 85%,#ffb27a);
  border-radius:2px;box-shadow:0 0 12px rgba(208,135,79,.25)}
.seam-tip{position:absolute;left:50%;top:0;width:14px;height:14px;margin:-7px 0 0 -7px;border-radius:50%;background:radial-gradient(circle,#fff6e8 0%,#ffb27a 35%,rgba(255,122,46,.6) 60%,rgba(255,122,46,0) 72%);transform:translateY(0)}
.seam-tip::after{content:"";position:absolute;inset:-14px;border-radius:50%;background:radial-gradient(circle,rgba(255,140,60,.45),transparent 65%);animation:pulse 4.2s ease-in-out -1.3s infinite}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}
@media (max-width:720px){.seam{left:6px;width:3px}}

/* ---------- sections ---------- */
.sec{position:relative;padding:clamp(96px,15vh,170px) 0}
.wrap{width:min(1200px,100% - 2*var(--gut));margin-inline:auto;position:relative;z-index:2}
.h-sec{font:800 clamp(42px,5.2vw,82px)/.94 var(--ff-display);text-transform:uppercase;letter-spacing:.005em;padding-bottom:.05em}
.h-big{font:800 clamp(56px,9vw,150px)/.86 var(--ff-display);text-transform:uppercase;padding-bottom:.05em}
.cu{color:var(--steel)}
.body{color:var(--text-secondary);font-size:clamp(16px,1.2vw,18px);max-width:58ch;margin-top:22px}
.sec-head .kicker,.ent-copy .kicker,.moy-left .kicker,.contact-head .kicker{margin-bottom:22px}

/* reveal system */
.rv .st{opacity:0;transform:translateY(24px);transition:opacity .95s var(--ease-out) calc(var(--i,0)*95ms*var(--stag,1)),transform .95s var(--ease-out) calc(var(--i,0)*95ms*var(--stag,1))}
.rv.in .st{opacity:1;transform:none}
.rv.settled{--stag:0}
.wa-card.st{transition-property:opacity,transform,background-color,border-color}
.link-arrow.st{transition-property:opacity,transform,border-color,gap}

/* entreprise */
.ent-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:clamp(48px,7vw,120px);align-items:start}
.ent-copy .link-arrow{margin-top:34px}
.values li{display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:baseline;padding:26px 0;border-top:1px solid var(--line)}
.values li:last-child{border-bottom:1px solid var(--line)}
.values .v-n{color:var(--accent)}
.values h3{font:800 30px/1 var(--ff-display);text-transform:uppercase;letter-spacing:.03em}
.values p{color:var(--text-secondary);margin-top:8px;font-size:16px;max-width:44ch}
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(72px,10vh,120px);border-top:1px solid var(--line-strong)}
.stats>div{position:relative;padding:26px 24px 0 0}
.stats>div::before{content:"";position:absolute;left:0;top:-1px;width:42px;height:2px;background:var(--accent)}
.stats dt{color:var(--text-secondary);font-size:11.5px}
.stats dd{display:flex;align-items:baseline;gap:8px;margin-top:10px}
.stats .num{font:800 clamp(56px,6.4vw,104px)/.9 var(--ff-display);color:var(--text-primary);font-variant-numeric:tabular-nums}
.stats small{font:600 20px/1 var(--ff-display);color:var(--steel);text-transform:uppercase;letter-spacing:.06em}

/* services */
.services{background:linear-gradient(180deg,transparent,rgba(21,26,31,.55) 18%,rgba(21,26,31,.55) 82%,transparent)}
.sec-head{max-width:760px}
.svc-list{display:grid;gap:clamp(64px,9vh,110px);margin-top:clamp(56px,8vh,96px)}
.svc{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(36px,5vw,80px);align-items:center}
.svc:nth-child(even){grid-template-columns:1fr 1.15fr}
.svc:nth-child(even) .svc-img{order:2}
.svc-img{position:relative;margin:0;overflow:hidden;border-radius:6px;aspect-ratio:16/11;background:var(--panel)}
.svc-img img{width:100%;height:100%;object-fit:cover;transform:scale(1.12);transition:transform 1.6s var(--ease-out)}
.svc-img::after{content:"";position:absolute;inset:0;background:var(--canvas);transform-origin:right;transition:transform 1.2s var(--ease-io)}
.svc-img::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(200deg,rgba(13,16,19,0) 50%,rgba(13,16,19,.5));pointer-events:none}
.svc.in .svc-img img{transform:scale(1)}
.svc.in .svc-img::after{transform:scaleX(0)}
.svc:hover .svc-img img{transform:scale(1.04)}
.svc-body{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease-out) .25s,transform 1s var(--ease-out) .25s}
.svc.in .svc-body{opacity:1;transform:none}
.svc-n{color:var(--accent)}
.svc h3{font:800 clamp(36px,3.6vw,56px)/.95 var(--ff-display);text-transform:uppercase;margin-top:14px}
.svc p{color:var(--text-secondary);margin-top:16px;max-width:42ch}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.tags li{font-size:13.5px;padding:7px 13px;border:1px solid var(--line);border-radius:999px;color:#c8ced4;background:rgba(13,16,19,.4)}

/* méthode */
.sec-head-c{margin-inline:auto;text-align:center}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:clamp(64px,9vh,100px);padding-top:46px}
.steps::before{content:"";position:absolute;left:0;right:0;top:7px;height:2px;background:rgba(139,151,162,.2)}
.steps::after{content:"";position:absolute;left:0;right:0;top:6px;height:4px;border-radius:2px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.2) 0 2px,transparent 2px 6px),linear-gradient(90deg,#8a5330,var(--accent) 70%,#ffb27a);transform:scaleX(0);transform-origin:left;transition:transform 2.4s var(--ease-io) .3s}
.steps.in::after{transform:scaleX(1)}
.step{position:relative}
.step-dot{position:absolute;top:-46px;left:0;width:16px;height:16px;border-radius:50%;background:var(--canvas);border:2px solid var(--line-strong)}
.step-dot::after{content:"";position:absolute;inset:-9px;border-radius:50%;background:radial-gradient(circle,rgba(255,150,80,.55),transparent 65%);opacity:0;transition:opacity .8s var(--ease-out) calc(.5s + var(--i,0)*.55s)}
.steps.in .step-dot::after{opacity:1}
.step-dot::before{content:"";position:absolute;inset:2px;border-radius:50%;background:var(--accent);transform:scale(0);transition:transform .6s var(--ease-out) calc(.5s + var(--i,0)*.55s)}
.steps.in .step-dot::before{transform:scale(1)}
.step-n{color:var(--accent)}
.step h3{font:800 30px/1 var(--ff-display);text-transform:uppercase;margin-top:12px}
.step p{color:var(--text-secondary);margin-top:12px;font-size:16px;max-width:30ch}

/* moyens & weld */
.moyens{background:radial-gradient(60% 50% at 25% 50%,rgba(208,135,79,.06),transparent 70%)}
.moy-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(48px,6vw,100px);align-items:center}
.weld{position:relative;margin-top:40px;--p:0}
.weld-plates{width:100%;max-width:480px;height:auto;display:block}
.weld-bead{position:absolute;left:0;top:0;width:100%;max-width:480px;aspect-ratio:3/1;pointer-events:none}
.weld-bead i{position:absolute;left:2%;width:96%;top:calc(50% - 7px);height:14px;border-radius:7px;transform-origin:left;transform:scaleX(var(--p));background:repeating-linear-gradient(100deg,rgba(255,255,255,.22) 0 2px,transparent 2px 7px),linear-gradient(180deg,#ffcf9a,var(--accent) 45%,#7a4426);box-shadow:0 0 18px rgba(255,140,60,.35)}
.weld-tip{position:absolute;top:0;left:0;width:100%;max-width:480px;aspect-ratio:3/1;pointer-events:none;opacity:0;transition:opacity .3s var(--ease-out)}
.weld.holding .weld-tip{opacity:1}
.weld-tip span{position:absolute;top:50%;left:2%;width:4px;height:4px;margin:-2px;border-radius:50%;background:#ffd9a8;box-shadow:0 0 8px #ff8a3c;transform:translateX(var(--tx,0px));animation:spark .6s linear infinite}
.weld-tip span:nth-child(1){--dx:-22px;--dy:-30px;animation-delay:-.1s}
.weld-tip span:nth-child(2){--dx:14px;--dy:-38px;animation-delay:-.25s}
.weld-tip span:nth-child(3){--dx:-8px;--dy:26px;animation-delay:-.4s}
.weld-tip span:nth-child(4){--dx:26px;--dy:18px;animation-delay:-.05s}
.weld-tip span:nth-child(5){--dx:-30px;--dy:8px;animation-delay:-.33s}
@keyframes spark{0%{opacity:1;transform:translateX(var(--tx,0px)) translate(0,0)}100%{opacity:0;transform:translateX(var(--tx,0px)) translate(var(--dx),var(--dy))}}
.weld-btn{margin-top:28px;position:relative;overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:none;padding:16px 26px}
.weld-meter{position:absolute;left:0;bottom:0;height:3px;width:100%;background:rgba(26,15,7,.25)}
.weld-meter i{position:absolute;inset:0;background:var(--on-accent);transform-origin:left;transform:scaleX(var(--p))}
.weld-hint{margin-top:14px;color:var(--text-secondary);font-size:11.5px}
.weld.done .weld-hint{color:var(--accent)}
.caps{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.cap{position:relative;padding:26px 24px;border-radius:8px;background:var(--panel);border:1px solid var(--line);min-height:132px;display:flex;flex-direction:column;justify-content:space-between;gap:18px;opacity:.38;transform:translateY(8px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out),border-color .8s var(--ease-out)}
.cap::before{content:"";position:absolute;inset:-1px;border-radius:8px;box-shadow:0 0 0 1px rgba(208,135,79,.5),0 14px 40px -18px rgba(208,135,79,.5);opacity:0;transition:opacity .8s var(--ease-out)}
.cap span{color:var(--text-secondary);font-size:11.5px}
.cap strong{font:800 26px/1.02 var(--ff-display);text-transform:uppercase;letter-spacing:.02em}
.caps.lit .cap{opacity:1;transform:none}
.caps.lit .cap::before{opacity:1}
.caps.lit .cap:nth-child(1){transition-delay:0s}.caps.lit .cap:nth-child(2){transition-delay:.12s}.caps.lit .cap:nth-child(3){transition-delay:.24s}.caps.lit .cap:nth-child(4){transition-delay:.36s}.caps.lit .cap:nth-child(5){transition-delay:.48s}.caps.lit .cap:nth-child(6){transition-delay:.6s}
.caps.lit .cap:nth-child(n)::before{transition-delay:inherit}

/* réalisations */
.real-head{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.real-head>div{max-width:720px}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{padding:9px 16px;border-radius:999px;border:1px solid var(--line-strong);background:transparent;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:background-color .35s var(--ease-out),color .35s var(--ease-out),border-color .35s var(--ease-out)}
.filters button:hover{color:var(--text-primary);border-color:var(--text-secondary)}
.filters button[aria-pressed="true"]{background:var(--text-primary);border-color:var(--text-primary);color:var(--canvas)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:240px;grid-auto-flow:dense;gap:14px;margin-top:48px}
.pj{position:relative;overflow:hidden;border-radius:6px;background:var(--panel);opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.pj.in{opacity:1;transform:none}
.pj.hide{display:none}
.pj-wide{grid-column:span 2}
.pj-tall{grid-row:span 2}
.pj img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out)}
.pj:hover img{transform:scale(1.06)}
.pj-cap{position:absolute;inset:auto 0 0 0;padding:56px 20px 18px;background:linear-gradient(180deg,rgba(8,10,12,0),rgba(8,10,12,.88) 62%)}
.pj-cap .mono{color:var(--accent);font-size:11px}
.pj-cap h3{font:800 26px/1 var(--ff-display);text-transform:uppercase;margin-top:6px}
.pj-cap p{font-size:14px;color:#c8ced4;margin-top:6px;max-height:0;opacity:0;overflow:hidden;transition:max-height .6s var(--ease-out),opacity .5s var(--ease-out)}
.pj:hover .pj-cap p,.pj:focus-within .pj-cap p{max-height:80px;opacity:1}
@media (hover:none){.pj-cap p{max-height:none;opacity:1}}

/* faq */
.faq-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(48px,6vw,100px);align-items:start}
.faq .sec-head{position:sticky;top:120px}
.qa{border-top:1px solid var(--line)}
.qa:last-child{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 0;cursor:pointer}
.qa summary::-webkit-details-marker{display:none}
.qa summary h3{font:600 clamp(18px,1.5vw,21px)/1.35 var(--ff-body);transition:color .3s var(--ease-out)}
.qa summary:hover h3{color:var(--accent-hover)}
.qa summary i{position:relative;flex:none;width:28px;height:28px;border:1px solid var(--line-strong);border-radius:50%;transition:transform .5s var(--ease-out),border-color .3s var(--ease-out)}
.qa summary i::before,.qa summary i::after{content:"";position:absolute;left:50%;top:50%;width:10px;height:1.5px;margin:-.75px 0 0 -5px;background:var(--text-primary)}
.qa summary i::after{transform:rotate(90deg)}
.qa[open] summary i{transform:rotate(45deg);border-color:var(--accent)}
.qa-a{padding:0 48px 26px 0;color:var(--text-secondary);animation:qaIn .6s var(--ease-out)}
@keyframes qaIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* contact */
.contact{overflow:hidden;padding-bottom:clamp(110px,16vh,180px)}
.contact-bg{position:absolute;inset:0;background:url("../hero-ending.jpg") center 70%/cover no-repeat;opacity:.38}
.contact-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--canvas) 0%,rgba(13,16,19,.55) 30%,rgba(13,16,19,.8) 70%,var(--canvas) 100%)}
.contact-head{text-align:left}
.contact-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:clamp(28px,4vw,56px);margin-top:clamp(48px,7vh,80px);align-items:start}
.form{background:rgba(21,26,31,.86);border:1px solid var(--line);border-radius:10px;padding:clamp(24px,3vw,44px);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.form-title{font:800 30px/1 var(--ff-display);text-transform:uppercase;margin-bottom:26px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:14px;font-weight:500;color:#d4d9de}
.opt{color:var(--text-secondary);font-weight:400}
.field input,.field select,.field textarea{width:100%;font:400 16px/1.4 var(--ff-body);color:var(--text-primary);background:rgba(13,16,19,.7);border:1px solid var(--line-strong);border-radius:6px;padding:13px 14px;transition:border-color .3s var(--ease-out),background-color .3s var(--ease-out)}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-secondary) 50%),linear-gradient(135deg,var(--text-secondary) 50%,transparent 50%);background-position:calc(100% - 20px) 55%,calc(100% - 15px) 55%;background-size:5px 5px;background-repeat:no-repeat}
.field select option{background:var(--panel);color:var(--text-primary)}
.field input::placeholder,.field textarea::placeholder{color:#7d8791}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--text-secondary)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:rgba(13,16,19,.9)}
.field .bad{border-color:#e0715a}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:18px 24px;margin-top:8px}
.form-note{font-size:14px;color:var(--text-secondary);max-width:36ch}
.form-note a{color:var(--accent)}
.form-err{margin-top:18px;color:#f0a08e;font-size:14.5px}
.form-ok{margin-top:22px;padding:18px 20px;border-radius:8px;border:1px solid rgba(208,135,79,.45);background:rgba(208,135,79,.08)}
.form-ok strong{display:block;font:800 22px/1.1 var(--ff-display);text-transform:uppercase;color:var(--accent-hover)}
.form-ok p{margin-top:6px;color:#d4d9de;font-size:15px}
.form-ok a{color:var(--accent)}
.wa-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:20px 22px;border-radius:10px;background:rgba(21,26,31,.86);border:1px solid rgba(37,211,102,.35);text-decoration:none;transition:background-color .35s var(--ease-out),border-color .35s var(--ease-out)}
.wa-card:hover{border-color:#25d366;background:rgba(27,33,40,.95)}
.wa-ico{width:48px;height:48px;border-radius:50%;background:#25d366;display:grid;place-items:center}
.wa-ico svg{width:26px;height:26px;fill:#0b2414}
.wa-card strong{display:block;font:800 24px/1 var(--ff-display);text-transform:uppercase}
.wa-card .mono{color:var(--text-secondary);font-size:12px;display:block;margin-top:6px}
.wa-card .arr{font-size:22px;color:#25d366;transition:transform .35s var(--ease-out)}
.wa-card:hover .arr{transform:translateX(4px)}
.coord-list{margin-top:14px;background:rgba(21,26,31,.86);border:1px solid var(--line);border-radius:10px;padding:8px 22px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.coord-list>div{display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line)}
.coord-list>div:last-child{border-bottom:0}
.coord-list dt{color:var(--accent);font-size:11px}
.coord-list dd{font-size:15.5px;line-height:1.55}
.coord-list dd a:not(.link-arrow){text-decoration:none;border-bottom:1px solid var(--line-strong);transition:border-color .3s var(--ease-out)}
.coord-list dd a:not(.link-arrow):hover{border-color:var(--accent)}

/* map */
.map{margin:clamp(28px,4vw,56px) 0 0;position:relative}
.map-frame{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--panel);aspect-ratio:21/8;min-height:320px}
.map-frame iframe{position:absolute;inset:0;width:100%;height:100%;display:block}
.map-cap{position:absolute;left:18px;bottom:18px;display:flex;flex-direction:column;gap:6px;max-width:calc(100% - 36px);padding:16px 20px;border-radius:8px;background:rgba(13,16,19,.88);border:1px solid var(--line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);pointer-events:auto}
.map-cap .mono{color:var(--accent);font-size:11px}
.map-cap strong{font:800 22px/1.1 var(--ff-display);text-transform:uppercase;letter-spacing:.02em}
.map-cap .link-arrow{margin-top:4px}
@media (max-width:720px){.map-frame{aspect-ratio:4/5;min-height:0}.map-cap{position:static;max-width:none;margin-top:10px}}

/* footer */
.foot{position:relative;border-top:1px solid var(--line);padding:72px 0 28px;background:linear-gradient(180deg,rgba(21,26,31,.4),rgba(10,12,15,.9))}
.foot-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr 1.35fr .7fr;gap:36px}
.foot-contact{font-style:normal;font-size:15px;line-height:1.5;color:#c8ced4}
.foot-contact a{word-break:break-word}
.foot-hours{color:var(--text-secondary)}
.foot-legal a{color:#c8ced4;text-decoration:none;border-bottom:1px solid var(--line-strong);transition:color .3s var(--ease-out),border-color .3s var(--ease-out)}
.foot-legal a:hover{color:var(--accent-hover);border-color:var(--accent)}
.foot-legal .sep{margin:0 8px;color:var(--line-strong)}
.foot-ai{font-size:12px}
@media (max-width:1100px) and (min-width:981px){.foot-grid{grid-template-columns:1fr 1fr 1fr}}
/* legal page */
.legal-page{padding:clamp(140px,20vh,200px) 0 clamp(80px,12vh,140px)}
.legal-page .wrap{max-width:860px}
.legal-back{display:flex;width:fit-content;margin-bottom:34px}
.legal-page .h-sec{margin-bottom:clamp(40px,6vh,64px)}
.legal-block{padding:30px 0;border-top:1px solid var(--line)}
.legal-block:last-child{border-bottom:1px solid var(--line)}
.legal-block h2{font:800 clamp(26px,2.4vw,34px)/1.05 var(--ff-display);text-transform:uppercase;display:flex;gap:16px;align-items:baseline}
.legal-block h2 .mono{color:var(--accent);font-size:12px}
.legal-block p,.legal-block dl{margin-top:14px;color:var(--text-secondary);max-width:68ch}
.legal-block dl>div{display:grid;grid-template-columns:200px 1fr;gap:12px;padding:6px 0}
.legal-block dt{color:#c8ced4;font-weight:500}
.legal-block a{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent-muted)}
.legal-block a:hover{border-color:var(--accent)}
@media (max-width:720px){.legal-block dl>div{grid-template-columns:1fr;gap:2px;padding:8px 0}}
.foot-brand img{width:120px}
.foot-brand p{margin-top:18px;color:var(--text-secondary);font-size:15px;max-width:30ch}
.foot-nav{display:flex;flex-direction:column;gap:10px}
.foot-nav .mono{color:var(--accent);font-size:11px;margin-bottom:6px}
.foot-nav a{text-decoration:none;color:#c8ced4;font-size:15px;width:fit-content;transition:color .3s var(--ease-out)}
.foot-nav a:hover{color:var(--accent-hover)}
.foot-legal{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:56px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:#87919b}

/* whatsapp fab */
.wa-fab{position:fixed;right:clamp(16px,2.4vw,32px);bottom:clamp(16px,2.4vw,32px);z-index:40;display:flex;align-items:center;gap:0;height:58px;padding:0 17px;border-radius:999px;background:#25d366;color:#0b2414;text-decoration:none;font-weight:600;box-shadow:0 12px 30px -10px rgba(0,0,0,.6);opacity:0;transform:translateY(20px) scale(.9);pointer-events:none;transition:opacity .5s var(--ease-out),transform .5s var(--ease-out),gap .4s var(--ease-out)}
.wa-fab.show{opacity:1;transform:none;pointer-events:auto}
.wa-fab svg{width:25px;height:25px;fill:currentColor;flex:none}
.wa-fab-label{max-width:0;overflow:hidden;white-space:nowrap;transition:max-width .45s var(--ease-out)}
.wa-fab:hover{gap:10px}
.wa-fab:hover .wa-fab-label{max-width:120px}
.wa-fab::before{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 0 rgba(37,211,102,.5);animation:waPulse 4s ease-out -1s infinite}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.45)}70%,100%{box-shadow:0 0 0 16px rgba(37,211,102,0)}}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .ent-grid,.moy-grid,.faq-grid,.contact-grid{grid-template-columns:1fr}
  .faq .sec-head{position:static}
  .svc,.svc:nth-child(even){grid-template-columns:1fr}
  .svc:nth-child(even) .svc-img{order:0}
  .steps{grid-template-columns:1fr 1fr;row-gap:56px}
  .steps::before,.steps::after{display:none}
  .step-dot{top:-30px}
  .step{padding-top:0}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body{font-size:16px}
  .stats{grid-template-columns:1fr 1fr;row-gap:32px}
  .steps{grid-template-columns:1fr;padding-top:24px;row-gap:40px}
  .step{padding-left:36px}
  .step-dot{top:6px;left:0}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:170px;gap:10px}
  .pj-wide{grid-column:span 2}
  .pj-cap{padding:40px 12px 12px}
  .pj-cap h3{font-size:19px}
  .pj-cap p{display:none}
  .caps{grid-template-columns:1fr 1fr;gap:10px}
  .cap{padding:18px 16px;min-height:112px}
  .cap strong{font-size:20px}
  .row2{grid-template-columns:1fr;gap:0}
  .coord-list>div{grid-template-columns:1fr;gap:4px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px 20px}
  .foot-brand,.foot-contact{grid-column:1/-1}
  .nav-cta{white-space:nowrap;padding:11px 16px;font-size:13.5px}
  .qa-a{padding-right:0}
  .wa-card strong{font-size:20px}
  .brand-word{font-size:22px}
  .brand img{width:38px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important}
  .rv .st,.svc-body,.pj{opacity:1!important;transform:none!important}
  .svc-img img{transform:none!important}
  .svc-img::after{transform:scaleX(0)!important}
  .steps::after{transform:scaleX(1)!important}
  .step-dot::before{transform:scale(1)!important}
  .step-dot::after{opacity:1!important}
  .wa-fab{opacity:1;transform:none;pointer-events:auto}
}
.pinned .seam-fill{transform:scaleY(1)!important}