:root{
    --bg:#0e1116; --bg2:#12161c; --bg3:#171c23; --line:#20262e; --line2:#2a323c;
    --txt:#ffffff; --muted:#8a93a0; --muted2:#7d8794; --dim:#5a6573;
    --cyan:#00AEEF; --magenta:#EC008C; --jaune:#FFED00;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .wrap{max-width:1200px;margin:0 auto;padding:0 24px}
  section{scroll-margin-top:80px}

  /* HEADER */
  header{position:sticky;top:0;z-index:50;background:rgba(14,17,22,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:72px}
  .logo img{height:46px;width:auto}
  .menu{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
  .menu a:hover{color:#fff}
  .tel-btn{display:flex;align-items:center;gap:7px;color:#fff;border:1px solid var(--line2);padding:8px 14px;border-radius:5px;font-size:13px;transition:.2s}
  .tel-btn:hover{border-color:var(--cyan)}
  .tel-btn svg{width:16px;height:16px;fill:var(--cyan)}
  .btn-devis{background:var(--jaune);color:#0e1116;font-weight:600;padding:9px 20px;border-radius:5px;letter-spacing:1px;font-size:12px;transition:.2s}
  .btn-devis:hover{filter:brightness(1.08)}
  .burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
  .burger span{width:24px;height:2px;background:#fff;display:block}

  /* HERO SLIDER */
  .hero{position:relative;height:480px;overflow:hidden;border-bottom:1px solid var(--line)}
  .track{display:flex;height:100%;transition:transform .7s cubic-bezier(.6,.05,.25,1)}
  .slide{min-width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 24px}
  .slide .eyebrow{font-size:13px;letter-spacing:5px;margin-bottom:18px;font-weight:600}
  .slide h1{font-size:46px;font-weight:700;line-height:1.15;max-width:760px}
  .slide p{color:var(--muted);margin-top:16px;font-size:16px;max-width:520px}
  .slide .cta{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
  .s1{background:linear-gradient(135deg,rgba(14,17,22,.92) 0%,rgba(10,42,58,.84) 100%),url(../img/hero/hero-grand.jpg) center/cover}
  .s2{background:linear-gradient(135deg,rgba(14,17,22,.92) 0%,rgba(58,10,38,.84) 100%),url(../img/hero/hero-textile.jpg) center/cover}
  .s3{background:linear-gradient(135deg,rgba(14,17,22,.92) 0%,rgba(58,50,6,.84) 100%),url(../img/hero/hero-petit.jpg) center/cover}
  .arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(0,0,0,.4);border:1px solid var(--line2);color:#fff;font-size:22px;cursor:pointer;z-index:5;transition:.2s}
  .arrow:hover{background:rgba(0,0,0,.7)}
  .arrow.prev{left:24px}.arrow.next{right:24px}
  .dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:9px;z-index:5}
  .dots span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.3);cursor:pointer;transition:.2s}

  /* FAMILLES */
  .familles{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}
  .famille{background:var(--bg2);padding:48px 40px;transition:.3s;position:relative}
  .famille:hover{filter:brightness(1.12)}
  .famille .num{font-size:30px;font-weight:700}
  .famille.f1 .num{color:var(--cyan)} .famille.f1{border-top:3px solid var(--cyan);background:linear-gradient(160deg,rgba(14,17,22,.94) 0%,rgba(10,42,58,.88) 100%),url(../img/familles/signaletique.jpg) center/cover}
  .famille.f2 .num{color:var(--magenta)} .famille.f2{border-top:3px solid var(--magenta);background:linear-gradient(160deg,rgba(14,17,22,.94) 0%,rgba(58,10,38,.88) 100%),url(../img/familles/textile.jpg) center/cover}
  .famille h2{font-size:24px;font-weight:600;margin:8px 0 12px}
  .famille p{color:var(--muted2);font-size:14.5px;margin-bottom:16px}
  .famille ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
  .famille li{font-size:12px;color:var(--muted);border:1px solid var(--line2);padding:5px 11px;border-radius:16px}
  .famille .exp{font-size:12px;color:var(--dim);letter-spacing:1px}
  .famille .lien{display:inline-block;margin-top:14px;font-size:13px}
  .famille.f1 .lien{color:var(--cyan)} .famille.f2 .lien{color:var(--magenta)}

  /* SECTION TITLE */
  .sec-head{text-align:center;padding:64px 24px 8px}
  .sec-head .eyebrow{font-size:12px;letter-spacing:3px;color:var(--cyan);margin-bottom:10px}
  .sec-head h2{font-size:32px;font-weight:700}
  .sec-head p{color:var(--muted);margin-top:10px;max-width:520px;margin-left:auto;margin-right:auto;font-size:15px}

  /* REALISATIONS */
  .filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:28px 0}
  .filter{background:transparent;color:var(--muted);border:1px solid var(--line2);font-size:13px;padding:8px 18px;border-radius:22px;cursor:pointer;transition:.2s}
  .filter:hover{color:#fff;border-color:#fff}
  .filter.active{background:var(--jaune);color:#0e1116;border-color:var(--jaune);font-weight:600}
  .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:8px 0 40px}
  .card{aspect-ratio:4/3;background:var(--bg3);border:1px solid var(--line2);border-radius:10px;display:block;transition:.25s;overflow:hidden;position:relative}
  .card:hover{border-color:var(--cyan)}
  .card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
  .card:hover img{transform:scale(1.06)}
  .card::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.75) 0%,rgba(0,0,0,.05) 45%,rgba(0,0,0,.25) 100%)}
  .card .plus{position:absolute;top:10px;right:10px;font-size:20px;font-weight:300;color:#fff;z-index:2;background:rgba(0,0,0,.35);width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:.25s}
  .card:hover .plus{opacity:1}
  .card .cap{position:absolute;left:12px;bottom:11px;right:12px;z-index:2;font-size:14px;font-weight:600;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.6)}
  .card .tag{position:absolute;top:10px;left:10px;font-size:10px;letter-spacing:1px;padding:3px 8px;border-radius:12px;background:rgba(0,0,0,.45);z-index:2}
  .card[data-cat="grand"] .tag{color:var(--cyan)}
  .card[data-cat="textile"] .tag{color:var(--magenta)}
  .card[data-cat="petit"] .tag{color:var(--jaune)}

  /* QUI SOMMES-NOUS */
  .about{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0}
  .about .inner{display:flex;gap:36px;align-items:center}
  .about .photo{width:160px;height:160px;border-radius:50%;border:1px solid var(--line2);flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--bg3);overflow:hidden}
  .about .photo img{width:62%;height:auto}
  .about .eyebrow{color:var(--cyan);font-size:12px;letter-spacing:3px;margin-bottom:10px}
  .about h2{font-size:26px;font-weight:600;margin-bottom:12px}
  .about p{color:var(--muted2);font-size:15px;max-width:620px}
  .stats{display:flex;gap:40px;margin-top:20px}
  .stat .n{font-size:26px;font-weight:700}
  .stat:nth-child(1) .n{color:var(--cyan)}
  .stat:nth-child(2) .n{color:var(--magenta)}
  .stat:nth-child(3) .n{color:var(--jaune)}
  .stat .l{font-size:12px;color:var(--dim)}

  /* CONTACT */
  .contact{padding:64px 0;text-align:center}
  .contact h2{font-size:30px;font-weight:700;margin-bottom:10px}
  .contact .lead{color:var(--muted);margin-bottom:28px}
  .form{max-width:560px;margin:0 auto;display:grid;gap:14px;text-align:left}
  .form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .form input,.form select,.form textarea{width:100%;background:var(--bg2);border:1px solid var(--line2);border-radius:6px;padding:12px 14px;color:#fff;font-size:14px;font-family:inherit}
  .form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cyan)}
  .form textarea{min-height:110px;resize:vertical}
  .form .submit{background:var(--jaune);color:#0e1116;font-weight:600;border:none;padding:14px;border-radius:6px;font-size:14px;letter-spacing:1px;cursor:pointer;transition:.2s}
  .form .submit:hover{filter:brightness(1.08)}
  .or{display:flex;align-items:center;justify-content:center;gap:14px;margin:26px 0 6px;color:var(--dim);font-size:13px}
  .call{display:inline-flex;align-items:center;gap:9px;background:transparent;border:1px solid var(--line2);color:#fff;padding:13px 24px;border-radius:6px;font-size:15px;transition:.2s}
  .call:hover{border-color:var(--cyan)} .call svg{width:18px;height:18px;fill:var(--cyan)}

  /* FOOTER */
  footer{background:#0a0c10;border-top:1px solid var(--line);padding:40px 0 28px}
  .foot{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
  .foot .logo img{height:40px;margin-bottom:14px}
  .foot p{color:var(--dim);font-size:13px;max-width:300px}
  .foot .col h4{font-size:13px;letter-spacing:1px;color:#fff;margin-bottom:12px}
  .foot .col a,.foot .col span{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
  .foot .col a:hover{color:#fff}
  .socials{display:flex;gap:12px;margin-top:6px}
  .socials a{width:38px;height:38px;border-radius:50%;border:1px solid var(--line2);display:flex;align-items:center;justify-content:center;transition:.2s}
  .socials a:hover{border-color:var(--cyan)} .socials svg{width:18px;height:18px;fill:var(--muted)}
  .socials a:hover svg{fill:#fff}
  .copy{text-align:center;color:var(--dim);font-size:12px;margin-top:30px;border-top:1px solid var(--line);padding-top:20px}

  @media(max-width:820px){
    .menu{position:fixed;top:72px;left:0;right:0;background:var(--bg);flex-direction:column;align-items:flex-start;padding:20px 24px;gap:18px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.3s;height:auto}
    .menu.open{transform:translateY(0)}
    .burger{display:flex}
    .slide h1{font-size:30px}.hero{height:420px}
    .familles{grid-template-columns:1fr}
    .grid{grid-template-columns:1fr 1fr}
    .about .inner{flex-direction:column;text-align:center}
    .about p{text-align:center}.stats{justify-content:center}
    .form .row{grid-template-columns:1fr}
  }
  @media(max-width:520px){.grid{grid-template-columns:1fr}.slide h1{font-size:26px}}