:root{
  --bg: #0b0f14; --surface:#0f141b; --muted:#a7b0bf; --text:#eaf1ff;
  --primary:#2563eb; --accent:#7c3aed;
  --border: rgba(255,255,255,.12);
  --card-grad: linear-gradient(180deg,var(--surface),#0d131a);
  --shadow: 0 8px 26px rgba(0,0,0,.25);
}
html[data-theme="light"]{
  --bg: #ffffff; --surface:#f7f8fb; --muted:#5b6678; --text:#0a1020;
  --primary:#1d4ed8; --accent:#6d28d9;
  --border: rgba(9,12,20,.10);
  --card-grad: linear-gradient(180deg,#ffffff,#f5f7fb);
  --shadow: 0 8px 24px rgba(10,16,32,.08);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Inter,Ubuntu,"Helvetica Neue",Arial;transition: background-color .35s ease, color .35s ease}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{text-decoration:underline}
/* Header / nav */
header{position:sticky;top:0;z-index:50;background: color-mix(in oklab, var(--bg), black 6%);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.topbar{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;gap:10px;align-items:center;font-weight:700;letter-spacing:.2px}
.brand-logo{border-radius:10px;box-shadow:0 0 18px color-mix(in oklab, var(--primary), transparent 70%)}
.nav-links{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--text);opacity:.9}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);padding:10px 14px;border-radius:12px;cursor:pointer;transition:.25s}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:0;box-shadow:0 6px 18px color-mix(in srgb, var(--primary), transparent 75%)}
.btn.whats{background:#25D366;color:#0a1020;border:0;font-weight:700}
.theme-toggle{font-size:14px}
.nav-toggle{display:none;background:transparent;border:0;width:40px;height:40px;position:relative}
.nav-toggle span{position:absolute;left:8px;right:8px;height:2px;background:var(--text)}
.nav-toggle span:nth-child(1){top:12px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* HERO video */
.hero-video{position:relative;min-height:70vh;display:grid;place-items:center;border-bottom:1px solid var(--border);overflow:hidden}
.hero-video .bg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.6) saturate(1.1)}
.hero-video .overlay{position:absolute;inset:0;background:radial-gradient(40% 40% at 50% 50%, transparent 0%, rgba(0,0,0,.35) 100%)}
.hero-content{position:relative;text-align:center;padding:64px 20px}
h1{font-size: clamp(28px, 5vw, 56px);line-height:1.05;margin:0 0 14px}
.lead{font-size: clamp(16px, 2.2vw, 20px);color:var(--muted);margin:0 0 22px}
.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.hero-badges{display:flex;gap:8px;list-style:none;padding:0;margin:14px 0 0 0;justify-content:center}
.hero-badges li{font-weight:700;font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:color-mix(in oklab, var(--bg), black 4%);transition:background-color .35s}

/* Last clip */
#last-clip{padding:56px 0;border-bottom:1px solid var(--border)}
.video-frame{position:relative;border-radius:16px;overflow:hidden;background:color-mix(in oklab, var(--bg), black 8%);border:1px solid var(--border);box-shadow:var(--shadow)}
.video-frame iframe{display:block;width:100%;height:100%}
.video-ribbon{position:absolute;top:12px;left:12px;background:#000c;color:#fff;padding:6px 10px;border-radius:999px;font-weight:700;border:1px solid rgba(255,255,255,.2)}
.chip{display:inline-block;margin-bottom:10px;font-weight:700;font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:color-mix(in oklab, var(--bg), black 4%)}
.section-head h2{margin:0 0 6px}

/* Sections communes */
main section{padding:64px 0;border-bottom:1px solid var(--border)}
section{scroll-margin-top:84px}
h2{font-size: clamp(22px, 3.4vw, 34px);margin:0 0 10px}
.muted{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.card{background:var(--card-grad);border:1px solid var(--border);padding:18px;border-radius:16px;box-shadow:var(--shadow);position:relative;transition:transform .2s}
.card:hover{transform:translateY(-2px)}
.badge{position:absolute;top:10px;right:10px;background:color-mix(in oklab, var(--primary), white 70%);border:1px solid color-mix(in oklab, var(--primary), black 60%);color:#0a1020;padding:4px 8px;border-radius:999px;font-size:12px}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.tile{position:relative;display:block;border-radius:16px;overflow:hidden;isolation:isolate;border:1px solid var(--border);box-shadow:var(--shadow)}
.tile img{width:100%;height:220px;object-fit:cover;display:block;transition:transform .35s ease}
.tile .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%, rgba(0,0,0,.55) 100%);opacity:0;transition:opacity .35s}
.tile .label{position:absolute;left:12px;bottom:10px;font-weight:600;font-size:14px;letter-spacing:.2px;opacity:0;transform:translateY(6px);transition:.35s}
.tile .kpi{position:absolute;top:10px;left:10px;font-weight:700;font-size:12px;padding:6px 10px;border-radius:999px;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.18);color:#fff;transition:.35s}
.tile:hover img{transform:scale(1.04)}
.tile:hover .overlay{opacity:1}
.tile:hover .label{opacity:1;transform:translateY(0)}

.list{display:grid;gap:10px;margin-top:12px}
form.form{display:block;margin-top:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:6px}
.field label{font-weight:600}
.span-2{grid-column:1/-1}
.checkbox{display:flex;gap:8px;align-items:flex-start}
.form-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:12px;justify-content:flex-end}
.form-status{min-height:24px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
footer{padding:28px 0;color:var(--muted)}

/* Floating WhatsApp */
.wa-fab{position:fixed;right:18px;bottom:18px;z-index:60;display:inline-flex;align-items:center;gap:8px;
  background:#25D366;color:#0a1020;font-weight:800;border:1px solid color-mix(in oklab, #25D366, black 40%);padding:12px 14px;border-radius:999px;box-shadow:0 10px 24px rgba(0,0,0,.2)}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width: 860px){
  .nav-toggle{display:block}
  .nav-links{position:absolute;inset:72px 0 auto 0;background: color-mix(in oklab, var(--bg), black 6%);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);display:none;flex-direction:column;padding:10px 20px}
  .cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .form-actions{justify-content:stretch}
}


/* === Hover video previews in showroom === */
.tile{position:relative}
.tile video.preview{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .25s ease;pointer-events:none}
.tile.playing video.preview{opacity:1}


/* === About section === */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;margin-top:14px}
.about-text p{margin:0 0 10px}
.about-points{margin:0;padding-left:18px;display:grid;gap:6px;color:var(--muted)}
.about-media img{width:100%;height:100%;object-fit:cover;border-radius:16px;border:1px solid var(--border);box-shadow:var(--shadow)}

/* === Testimonials === */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.testi{background:var(--card-grad);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:16px;display:grid;gap:10px;align-content:start}
.testi img{width:56px;height:56px;border-radius:50%;object-fit:cover;border:1px solid var(--border)}
.testi blockquote{margin:0;color:var(--text);font-style:italic}
.testi figcaption{color:var(--muted);font-size:14px}

/* === Lightbox === */
.lightbox{position:fixed;inset:0;z-index:80;display:none}
.lightbox.open{display:block}
.lightbox-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}
.lightbox-dialog{position:absolute;inset:auto 20px 20px 20px;top:50%;transform:translateY(-50%);max-width:1000px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.lightbox-close{position:absolute;top:8px;right:8px;border:1px solid var(--border);background:transparent;color:var(--text);font-size:20px;border-radius:10px;width:36px;height:36px;cursor:pointer}
.lightbox-content{padding:10px}
.lightbox-content video{width:100%;height:auto;border-radius:10px}

@media (max-width: 860px){
  .about-grid{grid-template-columns:1fr}
  .testi-grid{grid-template-columns:1fr}
}


/* CTA pulse */
.btn-primary.pulse{position:relative;isolation:isolate}
.btn-primary.pulse::after{
  content:"";position:absolute;inset:-2px;border-radius:14px;
  box-shadow:0 0 0 0 rgba(37,99,235,.45);
  animation:pulse 2.4s ease-out infinite;z-index:-1;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(37,99,235,.45)}
  70%{box-shadow:0 0 0 14px rgba(37,99,235,0)}
  100%{box-shadow:0 0 0 0 rgba(37,99,235,0)}
}