@font-face{font-family:"Barlow";font-weight:400;font-display:swap;src:url(fonts/barlow-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow";font-weight:500;font-display:swap;src:url(fonts/barlow-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow";font-weight:600;font-display:swap;src:url(fonts/barlow-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-weight:600;font-display:swap;src:url(fonts/barlow-condensed-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-weight:700;font-display:swap;src:url(fonts/barlow-condensed-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Kaushan Script";font-weight:400;font-display:swap;src:url(fonts/kaushan-script-latin-400-normal.woff2) format("woff2")}

:root{
  --bg:#090D14;--bg-2:#0E141D;--surface:#131B26;--surface-2:#1A2431;--line:#263243;
  --text:#EEF3F7;--muted:#9AA6B2;--gold:#3CC8F0;--gold-2:#86DDF7;--gold-ink:#04141C;
  --err:#FF7B72;--ok:#7BD69A;
  --cond:"Barlow Condensed","Arial Narrow",sans-serif;--script:"Kaushan Script",cursive;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Barlow",system-ui,"Segoe UI",sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
h1,h2,h3{font-family:var(--cond);font-weight:700;line-height:.95;margin:0;letter-spacing:.005em}
.wrap{width:min(1240px,100% - 40px);margin-inline:auto}
.script{font-family:var(--script);font-weight:400;color:var(--gold);letter-spacing:0;text-transform:none}
.center{text-align:center;margin-top:36px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:4px;padding:14px 24px;font-weight:600;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background .15s,border-color .15s,color .15s,transform .15s}
.btn-gold{background:var(--gold);color:var(--gold-ink)}
.btn-gold:hover{background:var(--gold-2)}
.btn-line{border-color:rgba(238,243,247,.35);color:var(--text)}
.btn-line:hover{border-color:var(--gold);color:var(--gold)}
.btn-sm{padding:9px 16px;font-size:.95rem}
.btn-block{width:100%}

/* kicker with the logo's corner bracket */
.kicker{display:flex;align-items:center;gap:12px;margin:0 0 16px;font-family:var(--cond);font-weight:600;font-size:1rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.corner{width:16px;height:16px;border-left:3px solid var(--gold);border-top:3px solid var(--gold);flex:none}

/* Palette IRONLINE : bleu nuit + bleu glacier (les variables --gold* portent la couleur d'accent) */
:root{--bar:0px}
html{scroll-padding-top:calc(76px + var(--bar))}

/* header */
.top{position:fixed;inset:var(--bar) 0 auto;z-index:50;background:rgba(9,13,20,.74);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{width:44px;height:44px;flex:none;color:var(--gold)}
.brand-txt{display:flex;align-items:baseline;gap:6px}
.brand-txt b{font-family:var(--cond);font-size:1.7rem;line-height:1;letter-spacing:.02em}
.brand-txt i{font-family:var(--script);font-style:normal;color:var(--gold);font-size:1.25rem}
.nav{display:flex;align-items:center;gap:28px}
.nav a:not(.btn){text-decoration:none;font-weight:500;color:var(--muted)}
.nav a:not(.btn):hover{color:var(--text)}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--text);transition:transform .2s}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
.burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* placeholders for photos */
.ph{position:relative;overflow:hidden;background:
  radial-gradient(120% 90% at 70% 20%,rgba(60,200,240,.14),transparent 60%),
  linear-gradient(160deg,#18212d,#0b1018)}
.ph::after{content:"";display:none}
.ph:has(img)::after{display:none}
.ph img{width:100%;height:100%;object-fit:cover}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:calc(120px + var(--bar)) 0 40px;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero-media.ph::after{bottom:auto;top:84px;left:auto;right:20px}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,13,20,.35) 0%,rgba(9,13,20,.1) 35%,rgba(9,13,20,.85) 78%,var(--bg) 100%),linear-gradient(90deg,rgba(9,13,20,.9) 0%,rgba(9,13,20,.6) 45%,transparent 70%)}
.hero-in{position:relative}
.hero h1{font-size:clamp(3rem,8.4vw,7.2rem);text-transform:uppercase;max-width:12ch}
.hero h1 .script{display:inline-block;font-size:.82em;margin-left:.08em;transform:rotate(-4deg) translateY(.05em)}
.hero-sub{max-width:52ch;color:#D3DCE4;font-size:1.15rem;margin:22px 0 30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-facts{position:relative;list-style:none;padding:28px 0 0;margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid var(--line)}
.hero-facts b{display:block;font-family:var(--cond);font-size:1.9rem;color:var(--gold);line-height:1.1}
.hero-facts span{color:var(--muted);font-size:.95rem}

/* sections */
.sec{padding:110px 0}
.sec-alt{background:var(--bg-2);border-block:1px solid rgba(255,255,255,.04)}
.sec-head{margin-bottom:44px}
.sec-head h2,.contact h2{font-size:clamp(2.5rem,5.4vw,4.4rem);text-transform:uppercase}
.sec-head h2 .script,.contact h2 .script{font-size:.8em}
.lead{color:var(--muted);font-size:1.12rem;max-width:62ch;margin:18px 0 0}

/* configurator */
.cfg{display:grid;grid-template-columns:minmax(0,1fr) 390px;width:min(1400px,100% - 40px);margin-inline:auto;height:min(760px,86vh);border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface)}
.stage{position:relative;min-height:0;background:#101722}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:none}
#scene:active{cursor:grabbing}
.stage-top{position:absolute;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;pointer-events:none}
.stage-foot{position:absolute;left:16px;right:16px;bottom:14px;display:flex;justify-content:space-between;align-items:center;gap:10px;pointer-events:none}
.seg,.btn-ghost{pointer-events:auto}
.seg{display:inline-flex;background:rgba(12,18,27,.82);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:6px;padding:3px}
.seg button{background:none;border:0;border-radius:4px;padding:6px 13px;font-weight:600;font-size:.9rem;color:var(--muted);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--gold);color:var(--gold-ink)}
.hint{margin:0;color:rgba(238,243,247,.5);font-size:.85rem}
.btn-ghost{background:rgba(12,18,27,.82);border:1px solid var(--line);border-radius:6px;padding:7px 13px;font-weight:600;font-size:.9rem;cursor:pointer}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);pointer-events:none;transition:opacity .4s}
.loading.done{opacity:0}

.panel{display:flex;flex-direction:column;min-height:0;border-left:1px solid var(--line)}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.tabs button{background:none;border:0;border-bottom:3px solid transparent;padding:15px 4px 12px;font-family:var(--cond);font-weight:600;font-size:1.08rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);cursor:pointer}
.tabs button[aria-selected="true"]{color:var(--text);border-bottom-color:var(--gold)}
.tabpanels{flex:1;overflow:auto;padding:6px 22px 22px}
.lbl{display:flex;justify-content:space-between;gap:8px;font-weight:600;margin:20px 0 10px}
.lbl .val{font-weight:400;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips button{background:var(--surface-2);border:1px solid var(--line);border-radius:5px;padding:8px 13px;font-weight:500;font-size:.95rem;cursor:pointer}
.chips button:hover{border-color:#4A5A6E}
.chips button[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:var(--gold-ink);font-weight:600}
.swatches{display:flex;flex-wrap:wrap;gap:10px}
.sw{width:36px;height:36px;border-radius:50%;border:3px solid var(--surface);box-shadow:0 0 0 1px #3E4C5E;cursor:pointer;padding:0}
.sw[aria-pressed="true"]{box-shadow:0 0 0 2px var(--gold)}
.input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:5px;background:var(--bg)}
.input:focus{border-color:var(--gold);outline:none}
.fine{font-size:.86rem;color:var(--muted);margin:10px 0 0}
.panel-foot{border-top:1px solid var(--line);padding:14px 22px 18px;background:var(--surface)}
.summary{margin:0 0 12px;font-size:.88rem;color:var(--muted);line-height:1.4}
.cfg-note{color:var(--muted);font-size:.88rem;margin-top:14px;text-align:center}

/* work */
.work{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column}
.card .ph{aspect-ratio:4/3}
.card-xl{grid-column:span 2;grid-row:span 2}
.card-xl .ph{aspect-ratio:auto;flex:1;min-height:320px}
.card img{transition:transform .5s}
.card:hover img{transform:scale(1.04)}
.card-txt{padding:18px 20px 22px}
.tag{margin:0 0 8px;font-size:.82rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--gold)}
.card h3{font-size:1.7rem;text-transform:uppercase}
.card-xl h3{font-size:2.3rem}
.card-txt p:last-child{margin:8px 0 0;color:var(--muted)}

/* projects */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.project{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column}
.pj-media button{display:block;width:100%;padding:0;border:0;background:#000;cursor:zoom-in;overflow:hidden}
.pj-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s,opacity .2s}
.pj-cover{aspect-ratio:10/11}
.pj-cover:hover img{transform:scale(1.04)}
.pj-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;margin-top:3px}
.pj-thumbs button{aspect-ratio:1}
.pj-thumbs button:hover img{opacity:.75}
.pj-txt{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.pj-txt h3{font-size:1.75rem;text-transform:uppercase}
.pj-txt p{margin:8px 0 0;color:var(--muted)}
.pj-txt .tag{margin:0 0 8px;color:var(--gold)}
.pj-count{margin-top:auto!important;padding-top:14px;font-size:.85rem;font-weight:600;color:var(--text)!important}
.pj-count::before{content:"";display:inline-block;width:14px;height:2px;background:var(--gold);vertical-align:middle;margin-right:8px}

.lightbox{position:fixed;inset:0;z-index:100;background:rgba(4,7,12,.95);display:flex;align-items:center;justify-content:center;padding:56px 70px}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;display:flex;flex-direction:column;align-items:center;max-width:100%;max-height:100%}
.lightbox img{max-width:100%;max-height:calc(100vh - 140px);object-fit:contain;border-radius:4px}
.lightbox figcaption{margin-top:12px;color:var(--muted);font-size:.92rem;text-align:center}
.lb-close,.lb-nav{position:absolute;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text);border-radius:50%;width:48px;height:48px;font-size:1.8rem;line-height:1;cursor:pointer;display:grid;place-items:center}
.lb-close:hover,.lb-nav:hover{border-color:var(--gold);color:var(--gold)}
.lb-close{top:16px;right:16px}
.lb-prev{left:14px;top:50%;transform:translateY(-50%)}
.lb-next{right:14px;top:50%;transform:translateY(-50%)}

/* process */
.steps{list-style:none;padding:0;margin-block:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps li{border-top:2px solid var(--gold);padding-top:20px}
.steps .n{font-family:var(--cond);font-weight:700;font-size:3rem;line-height:1;color:transparent;-webkit-text-stroke:1px var(--gold)}
.steps h3{font-size:1.8rem;text-transform:uppercase;margin:14px 0 8px}
.steps p{margin:0;color:var(--muted)}

/* services */
.services{list-style:none;padding:0;margin-block:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.services li{background:var(--bg);padding:30px 28px}
.services h3{font-size:1.65rem;text-transform:uppercase;margin-bottom:10px}
.services h3::before{content:"";display:block;width:26px;height:3px;background:var(--gold);margin-bottom:16px}
.services p{margin:0;color:var(--muted)}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start}
.contact-list{list-style:none;padding:0;margin:34px 0 0}
.contact-list li{display:flex;flex-direction:column;padding:14px 0;border-top:1px solid var(--line)}
.contact-list span{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.contact-list a{font-size:1.2rem;font-weight:600;text-decoration:none}
.contact-list a:hover{color:var(--gold)}
.contact-list .v{font-size:1.2rem;font-weight:600}
.form{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:28px}
.form label{display:block;font-weight:600;margin:16px 0 7px}
.form .grid2 label{margin-top:0}
.form .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px}
.form .grid2 + label{margin-top:0}
.opt{font-weight:400;color:var(--muted)}
textarea.input{resize:vertical;min-height:130px}
.err{color:var(--err);font-weight:600;min-height:1.4em;margin:12px 0 8px}
.ok{color:var(--ok);font-weight:600;margin:14px 0 0}

/* footer */
.foot{padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
.foot-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.credit a{color:var(--text)}

/* responsive */
@media (max-width:1020px){
  .cfg{grid-template-columns:1fr;height:auto;width:min(100% - 24px,760px)}
  .stage{height:58vh;height:58svh;min-height:340px}
  .panel{border-left:0;border-top:1px solid var(--line)}
  .tabpanels{overflow:visible;min-height:250px}
  .projects{grid-template-columns:1fr 1fr}
  .project:first-child{grid-column:span 2}
  .project:first-child .pj-cover{aspect-ratio:16/9}
  .project:first-child .pj-cover img{object-position:50% 62%}
  .steps{grid-template-columns:1fr 1fr;row-gap:40px}
  .services{grid-template-columns:1fr 1fr}
  .contact{grid-template-columns:1fr;gap:36px}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{width:calc(100% - 32px)}
  .burger{display:block}
  .nav{position:fixed;top:calc(68px + var(--bar));left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 20px;background:var(--bg);border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;visibility:hidden;transition:.2s}
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:16px}
  .hero-facts{grid-template-columns:1fr;gap:14px;margin-top:40px}
  .sec{padding:80px 0}
  .cfg{width:100%;border-radius:0;border-inline:0}
  .hint{display:none}
  .projects{grid-template-columns:1fr}
  .project:first-child{grid-column:auto}
  .project:first-child .pj-cover{aspect-ratio:10/11}
  .lightbox{padding:60px 8px 70px}
  .lb-prev,.lb-next{top:auto;bottom:12px;transform:none}
  .steps,.services{grid-template-columns:1fr}
  .form{padding:20px}
  .form .grid2{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}