:root{
  --bg:#0b1220;
  --card:#0f172a;
  --accent:#0ea5e9;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --ok:#22c55e;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,var(--bg),#020617);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* Containers */
.container{max-width:1200px;margin:0 auto;padding:0 16px}

/* Header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(2,6,23,.7);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding:10px 0}
.brand{display:flex;gap:10px;align-items:center}
.brand img{height:44px}
.social .btn{margin-left:8px}

/* Buttons */
.btn{padding:8px 12px;border-radius:10px;display:inline-flex;align-items:center;font-weight:600;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn.primary{background:linear-gradient(90deg,var(--accent),#38bdf8);color:#001;border:none}

/* Banner carrusel */
.banner{width:100%;height:280px;overflow:hidden;position:relative}
@media(min-width:900px){.banner{height:360px}}
.slides{width:500%;height:100%;display:flex;position:relative}
.slides input{display:none}
.slide{width:20%;transition:.8s}
.slide img{width:100%;height:100%;object-fit:cover}

/* manual dots */
.navigation-manual{position:absolute;width:100%;bottom:14px;display:flex;justify-content:center;gap:10px;z-index:5}
.manual-btn{border:2px solid #fff;padding:5px;border-radius:50%;cursor:pointer;transition:.3s}
.manual-btn:hover{background:#fff}

/* radio logic (mueve .first) */
#radio1:checked ~ .first{margin-left:0}
#radio2:checked ~ .first{margin-left:-20%}
#radio3:checked ~ .first{margin-left:-40%}
#radio4:checked ~ .first{margin-left:-60%}

/* auto dots (decorativos) */
.navigation-auto{position:absolute;width:100%;display:flex;justify-content:center;gap:10px;bottom:14px;opacity:.25}

/* Layout principal */
.content{display:grid;grid-template-columns:280px 1fr;gap:18px;margin:22px auto}
@media(max-width:900px){.content{grid-template-columns:1fr}}

/* Sidebar filtros */
.sidebar{position:relative}
.filters{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:14px;box-shadow:var(--shadow);position:sticky;top:90px}
.filters h3{margin:0 0 8px}
.filter-group{margin-top:12px}
.filter-title{font-weight:700;margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:6px 10px;border-radius:999px;cursor:pointer;font-size:13px}
.chip input{display:none}
.chip input:checked + span{font-weight:800;color:#bbf7d0}

/* Offers */
.offers .h1{margin:0 0 6px;font-size:clamp(22px,4vw,28px)}
.muted{color:var(--muted);font-size:14px}
.note{font-size:12px;color:#94a3b8}

.grid{margin-top:12px;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.img{position:relative;aspect-ratio:16/9;overflow:hidden;background:#111}
.img .gray{filter:grayscale(100%)}
.overlay-title{position:absolute;inset:auto auto 10px 12px;background:rgba(0,0,0,.45);padding:6px 10px;border-radius:8px;font-weight:900;letter-spacing:.5px}
.credit{position:absolute;right:12px;bottom:10px;font-size:10px;background:rgba(0,0,0,.55);padding:4px 6px;border-radius:6px;color:#ddd}
.credit a{color:#eee;text-decoration:none}
.credit a:hover{text-decoration:underline}
.placeholder{display:flex;align-items:center;justify-content:center;height:100%;color:#999}

.content .pill{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.1);font-weight:700;margin-top:8px}
.content .price{font-weight:900;color:#bbf7d0;font-size:22px}
.content .btn{margin-top:8px}
.content{padding:0 0 14px}
.card .content{padding:14px}

/* Paginación */
.pagination{display:flex;gap:8px;justify-content:center;margin:18px 0 6px}
.pagination .page{padding:8px 12px;border-radius:8px;background:rgba(255,255,255,.08)}
.pagination .page.active{background:var(--accent);color:#001;font-weight:800}

/* Footer */
.site-footer{border-top:1px solid rgba(255,255,255,.06);margin-top:24px;padding:18px 0;color:var(--muted)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}