:root{--bg:#fff;--alt:#f4f6fa;--text:#14213d;--muted:#6b7280;--primary:#e63946;--dark:#0b132b;--radius:14px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);line-height:1.5}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
a{color:inherit;text-decoration:none}
.muted{color:var(--muted)}

.header{position:sticky;top:0;background:var(--dark);color:#fff;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.5rem;font-weight:800}.logo span{color:var(--primary)}
nav{display:flex;gap:26px}
nav a{opacity:.85}nav a:hover{opacity:1;color:var(--primary)}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}

.hero{background:linear-gradient(135deg,rgba(11,19,43,.92),rgba(28,37,65,.85)),repeating-linear-gradient(45deg,#1c2541 0 20px,#16203a 20px 40px);color:#fff;padding:110px 0}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.15;margin-bottom:18px}
.hero p{max-width:560px;opacity:.9;margin-bottom:28px;font-size:1.1rem}

.btn{display:inline-block;padding:12px 24px;border-radius:999px;font-weight:600;border:2px solid transparent;cursor:pointer;font-size:1rem;margin-right:8px;transition:.2s}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{filter:brightness(1.1)}
.btn-outline{border-color:#fff;color:#fff}.btn-outline:hover{background:#fff;color:var(--dark)}

.section{padding:70px 0}.section.alt{background:var(--alt)}
h2{font-size:2rem;margin-bottom:22px}

.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px}
.filters input,.filters select,.form input,.form select,.form textarea{padding:11px 14px;border:1px solid #d1d5db;border-radius:10px;font:inherit;background:#fff}
.filters input{flex:1;min-width:200px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px;margin-top:18px}
.card{background:#fff;border-radius:var(--radius);box-shadow:0 2px 14px rgba(0,0,0,.08);overflow:hidden;transition:.2s;cursor:pointer;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.14)}
.card .pic{height:160px;display:flex;align-items:center;justify-content:center;position:relative}
.card .pic{height:180px;padding:0}
.card .pic img,.modal .pic img{width:100%;height:100%;object-fit:cover;display:block}
.badge{position:absolute;top:10px;left:10px;background:var(--primary);color:#fff;font-size:.75rem;padding:3px 10px;border-radius:999px}
.card .body{padding:16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card h3{font-size:1.15rem}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tags span{background:var(--alt);font-size:.78rem;padding:3px 9px;border-radius:999px}
.price{margin-top:auto;font-size:1.3rem;font-weight:800}
.price small{font-weight:400;color:var(--muted);font-size:.8rem}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
label{display:block;margin:16px 0 4px;font-weight:500}
input[type=range]{width:100%;accent-color:var(--primary)}
.result{background:var(--dark);color:#fff;border-radius:var(--radius);padding:36px;text-align:center}
.result div{font-size:3rem;font-weight:800;color:var(--primary);margin:8px 0}
.result small{opacity:.8}

.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px}
.features div{background:var(--alt);padding:26px;border-radius:var(--radius);text-align:center}
.features span{font-size:2.2rem}.features h3{margin:8px 0 4px}

.form{display:flex;flex-direction:column;gap:12px}
.ok{color:#15803d;font-weight:600}

.footer{background:var(--dark);color:#cbd5e1;padding:24px 0;text-align:center;font-size:.9rem}

.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}
.modal[hidden]{display:none}
.modal-box{background:#fff;border-radius:var(--radius);max-width:700px;width:100%;max-height:90vh;overflow:auto;position:relative}
.close{position:absolute;top:12px;right:14px;border:0;background:#fff;border-radius:50%;width:34px;height:34px;font-size:1rem;cursor:pointer;z-index:2}
.modal .pic{height:230px;display:flex;align-items:center;justify-content:center}
.modal .pic{height:300px}
.modal .info{padding:24px}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;margin:16px 0}
.specs div{display:flex;justify-content:space-between;border-bottom:1px solid #eee;padding:6px 0}
.specs b{font-weight:600}

@media(max-width:800px){
  .burger{display:block}
  nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--dark);flex-direction:column;padding:16px 20px;gap:14px}
  nav.open{display:flex}
  .two-col{grid-template-columns:1fr}
  .hero{padding:70px 0}
}

.credits{font-size:.8rem;margin-top:10px;color:#94a3b8}.credits a{text-decoration:underline}

/* Panier & réservation */
.cart-btn{background:var(--primary);color:#fff;border:0;border-radius:999px;padding:8px 16px;font-size:1rem;font-weight:600;cursor:pointer}
.nav{gap:14px}.nav nav{margin-left:auto}
.btn-outline-dark{border-color:var(--dark);color:var(--dark)}.btn-outline-dark:hover{background:var(--dark);color:#fff}
.full{width:100%;text-align:center;margin:0}
.drawer{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:90}
.drawer[hidden]{display:none}
.drawer-box{position:absolute;top:0;right:0;bottom:0;width:min(400px,100%);background:#fff;display:flex;flex-direction:column;padding:18px;overflow:auto}
.drawer-head{display:flex;justify-content:space-between;align-items:center}
.close-plain{background:none;border:0;font-size:1.2rem;cursor:pointer}
.cart-line{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid #eee}
.cart-line img{width:84px;height:56px;object-fit:cover;border-radius:8px}
.cart-line>div{flex:1;font-size:.92rem}
.cart-total{display:flex;justify-content:space-between;padding:10px 0;font-size:1.05rem}
#cartFoot{margin-top:auto;padding-top:12px}
.recap{list-style:none;margin:14px 0;border:1px solid #eee;border-radius:10px}
.recap li{display:flex;justify-content:space-between;gap:12px;padding:9px 14px;border-bottom:1px solid #eee}
.recap li:last-child{border:0}.recap .sum{background:var(--alt);font-size:1.05rem}
.form h3{margin-top:10px;font-size:1.05rem}
.rates{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.rate{margin:0;cursor:pointer}.rate input{position:absolute;opacity:0}
.rate span{display:block;text-align:center;border:2px solid #d1d5db;border-radius:10px;padding:10px}
.rate input:checked+span{border-color:var(--primary);background:#fff1f2}
.rate input:focus-visible+span{outline:2px solid var(--dark)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.demo{background:#fff7e0;border:1px solid #f3d27a;border-radius:8px;padding:10px;font-size:.85rem}
.check{display:flex;gap:8px;font-weight:400;font-size:.88rem;margin:6px 0}
.err{color:#b91c1c;font-weight:600}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--dark);color:#fff;padding:12px 22px;border-radius:999px;z-index:200}
.toast[hidden]{display:none}
@media print{body>*:not(#checkout){display:none!important}.modal{position:static;background:none}.close,.btn{display:none}}