:root{
  --ink:#11141B; --ink-2:#1B2029; --fg:#11141B; --fg-muted:#6B7280;
  --bg:#FFFFFF; --bg-subtle:#F6F7F9; --border:#E6E8EC;
  --accent:#D8232A; --accent-dark:#A81B21; --ok:#16A34A;
  --r:4px; --r-lg:10px; --pill:9999px;
  --shadow:0 1px 2px rgba(17,20,27,.06), 0 8px 24px rgba(17,20,27,.06);
  --shadow-lg:0 12px 40px rgba(17,20,27,.14);
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);
  font:400 16px/1.5 "Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- barre de démo ---------- */
.demobar{background:var(--ink);color:#fff;font-size:13px;padding:8px 0;text-align:center}
.demobar b{color:#fff}
.demobar span{color:#AEB5C2}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:40;background:var(--bg);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:19px}
.brand i{width:10px;height:22px;background:var(--accent);display:block;border-radius:1px}
.brand small{display:block;font-weight:500;font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--fg-muted)}
.nav-cta{display:flex;align-items:center;gap:10px}
.tel{font-weight:700;font-size:15px;white-space:nowrap}
.tel span{display:block;font-size:11px;font-weight:500;color:var(--fg-muted)}

/* ---------- boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 18px;border-radius:var(--r);border:1px solid transparent;
  font-weight:600;font-size:15px;transition:.16s ease;line-height:1}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--fg)}
.btn-ghost:hover{border-color:var(--fg-muted)}
.btn-lg{padding:15px 26px;font-size:16px}
.btn:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:#fff;padding:64px 0 0;overflow:hidden}
.hero h1{font-size:clamp(2.1rem,1.3rem+3vw,3.4rem);line-height:1.04;letter-spacing:-.035em;
  margin:0 0 14px;font-weight:800;max-width:15ch}
.hero p{font-size:clamp(1rem,.95rem+.4vw,1.2rem);color:#B9BFCB;margin:0 0 26px;max-width:52ch}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:end}
.hero-photo{border-radius:var(--r-lg) var(--r-lg) 0 0;overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:16/10;background:#222}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-stats{display:flex;gap:28px;flex-wrap:wrap;padding:28px 0 34px;border-top:1px solid rgba(255,255,255,.12);margin-top:34px}
.stat b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em}
.stat span{font-size:12.5px;color:#9AA2B1;text-transform:uppercase;letter-spacing:.08em}

/* ---------- filtres ---------- */
.filters{position:sticky;top:68px;z-index:30;background:var(--bg-subtle);
  border-bottom:1px solid var(--border);padding:16px 0}
.filter-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
select,input[type=text],input[type=email],input[type=tel],textarea{
  padding:11px 34px 11px 13px;border:1px solid var(--border);border-radius:var(--r);
  background:#fff;font-size:14.5px;color:var(--fg);min-height:44px;appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.8' fill='none' stroke-linecap='round'/></svg>");
  background-repeat:no-repeat;background-position:right 12px center}
input[type=text],input[type=email],input[type=tel],textarea{background-image:none;padding-right:13px}
textarea{min-height:96px;resize:vertical;font-family:inherit}
.chip{padding:9px 15px;border-radius:var(--pill);border:1px solid var(--border);background:#fff;
  font-size:14px;font-weight:600;color:var(--fg-muted);min-height:40px}
.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.count{margin-left:auto;font-size:14px;color:var(--fg-muted);font-weight:600}
.count b{color:var(--fg)}

/* ---------- grille ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:22px;padding:34px 0 64px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:.18s ease;cursor:pointer}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#D4D8DE}
.card-img{aspect-ratio:4/3;background:var(--bg-subtle);position:relative;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-img img{transform:scale(1.04)}
.card-img .none{display:flex;align-items:center;justify-content:center;height:100%;
  color:#B6BCC6;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.badge{position:absolute;top:12px;left:12px;background:var(--accent);color:#fff;
  padding:5px 11px;border-radius:var(--r);font-size:11.5px;font-weight:800;
  letter-spacing:.09em;text-transform:uppercase}
.badge.photos{left:auto;right:12px;background:var(--ink);font-weight:600;letter-spacing:.04em}
.card-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:12px;flex:1}
.card h3{margin:0;font-size:16.5px;font-weight:700;letter-spacing:-.015em;line-height:1.25}
.specs{display:flex;flex-wrap:wrap;gap:6px}
.spec{font-size:12.5px;color:var(--fg-muted);background:var(--bg-subtle);
  padding:4px 9px;border-radius:var(--r);white-space:nowrap}
.price{margin-top:auto;display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px solid var(--border)}
.price b{font-size:20px;font-weight:800;letter-spacing:-.02em}
.price small{font-size:12.5px;color:var(--fg-muted)}
.empty{grid-column:1/-1;text-align:center;padding:70px 20px;color:var(--fg-muted)}

/* ---------- fiche (dialog) ---------- */
dialog{border:0;padding:0;border-radius:var(--r-lg);max-width:1060px;width:calc(100% - 32px);
  box-shadow:var(--shadow-lg);background:#fff}
dialog::backdrop{background:rgba(17,20,27,.62);backdrop-filter:blur(3px)}
.sheet{display:grid;grid-template-columns:1.15fr .85fr;max-height:88vh}
.sheet-media{background:var(--ink);display:flex;flex-direction:column;min-height:0}
.sheet-media .main{aspect-ratio:4/3;background:#0d0f14}
.sheet-media .main img{width:100%;height:100%;object-fit:cover}
.thumbs{display:flex;gap:8px;padding:10px;overflow-x:auto}
.thumbs img{width:72px;height:54px;object-fit:cover;border-radius:var(--r);opacity:.55;
  cursor:pointer;flex:0 0 auto;border:2px solid transparent}
.thumbs img[aria-current=true]{opacity:1;border-color:#fff}
.sheet-info{padding:26px;overflow-y:auto}
.sheet-info h2{margin:0 0 6px;font-size:24px;font-weight:800;letter-spacing:-.025em;line-height:1.15}
.sheet-price{font-size:30px;font-weight:800;letter-spacing:-.03em;margin:10px 0 4px}
.sheet-price em{font-style:normal;font-size:14px;font-weight:500;color:var(--fg-muted)}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);
  border:1px solid var(--border);border-radius:var(--r);overflow:hidden;margin:20px 0}
.kv div{background:#fff;padding:11px 13px}
.kv div:last-child:nth-child(odd){grid-column:1/-1}
.kv dt{font-size:11.5px;color:var(--fg-muted);text-transform:uppercase;letter-spacing:.07em;margin:0 0 3px}
.kv dd{margin:0;font-weight:600;font-size:14.5px}
.equip{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 22px}
.equip span{font-size:13px;background:var(--bg-subtle);border:1px solid var(--border);
  padding:6px 11px;border-radius:var(--pill)}
.sheet-actions{display:flex;gap:10px;flex-wrap:wrap}
.sheet-actions .btn{flex:1;min-width:150px}
.closex{position:absolute;top:12px;right:12px;z-index:5;background:rgba(255,255,255,.94);
  border:0;width:38px;height:38px;border-radius:var(--pill);font-size:19px;line-height:1;
  box-shadow:var(--shadow);color:var(--ink)}

/* ---------- tunnel ---------- */
.steps{display:flex;gap:8px;margin-bottom:22px}
.steps i{flex:1;height:3px;background:var(--border);border-radius:var(--pill)}
.steps i.on{background:var(--accent)}
.step{display:none}
.step.on{display:block}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%}
.slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(122px,1fr));gap:8px}
.slot{padding:11px;border:1px solid var(--border);border-radius:var(--r);background:#fff;
  font-size:14px;font-weight:600;text-align:center}
.slot[aria-pressed=true]{border-color:var(--accent);background:#FEF2F2;color:var(--accent-dark)}
.recap{background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--r);
  padding:14px;font-size:14px;margin-bottom:16px}
.recap b{display:block;font-size:15px;margin-bottom:2px}
.done{text-align:center;padding:26px 8px}
.done .tick{width:54px;height:54px;border-radius:var(--pill);background:#E8F7EE;color:var(--ok);
  display:flex;align-items:center;justify-content:center;font-size:27px;margin:0 auto 14px}
.note{font-size:12.5px;color:var(--fg-muted);margin-top:10px;line-height:1.45}

/* ---------- financement ---------- */
.fin{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:end}
.fin-out{grid-column:1/-1;background:var(--ink);color:#fff;border-radius:var(--r);padding:16px 18px;
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
.fin-out b{font-size:27px;font-weight:800;letter-spacing:-.02em}
.fin-out span{font-size:12.5px;color:#9AA2B1}

/* ---------- sections ---------- */
section.band{padding:60px 0;border-top:1px solid var(--border)}
section.band h2{font-size:clamp(1.5rem,1.2rem+1.4vw,2.1rem);letter-spacing:-.03em;margin:0 0 10px;font-weight:800}
section.band p.lead{color:var(--fg-muted);max-width:62ch;margin:0 0 30px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.col h3{font-size:16px;margin:0 0 6px;font-weight:700}
.col p{margin:0;color:var(--fg-muted);font-size:14.5px}
.col .num{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:.1em;margin-bottom:8px}

footer{background:var(--ink);color:#9AA2B1;padding:40px 0;font-size:14px}
footer a{color:#fff;text-decoration:underline;text-underline-offset:2px}
footer .fgrid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-photo{aspect-ratio:16/9}
  .sheet{grid-template-columns:1fr;max-height:92vh}
  .sheet-media .main{aspect-ratio:16/10}
}
@media(max-width:560px){
  .nav{height:60px}.brand{font-size:17px}.tel{display:none}
  .filters{top:60px}
  .grid{grid-template-columns:1fr;gap:16px;padding:24px 0 48px}
  .kv{grid-template-columns:1fr}
  .fin{grid-template-columns:1fr}
  .hero{padding-top:44px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}}