:root{
  --bg:#f7f7f8;
  --fg:#0f0f12;
  --muted:#6b7280;
  --line:rgba(15,15,18,.10);
  --card:#ffffff;
  --shadow:0 18px 50px rgba(15,15,18,.10);
  --shadow2:0 10px 24px rgba(15,15,18,.08);
  --radius:20px;
  --max:1100px;

  --accent:#111827;     /* carbón */
  --accentSoft:rgba(17,24,39,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background:
    radial-gradient(900px 500px at 20% -10%, rgba(17,24,39,.06), transparent 60%),
    radial-gradient(900px 500px at 80% 10%, rgba(0,0,0,.04), transparent 55%),
    var(--bg);
  color:var(--fg);
}
a{text-decoration:none;color:inherit}

/* HEADER */
header{
  position:sticky; top:0; z-index:999;
  background:rgba(247,247,248,.75);
  backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
}
.bar{
  max-width:var(--max);
  margin:0 auto;
  padding:14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand img{
  height:42px;
  width:auto;
  object-fit:contain;
  padding:8px;
  border-radius:14px;
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow2);
}
.brand b{
  letter-spacing:.14em;
  text-transform:uppercase;
  font-size:12px;
}
.brand small{
  color:var(--muted);
  display:block;
  margin-top:4px;
}

.nav{display:flex; gap:10px; flex-wrap:wrap}
.nav a{
  border:1px solid var(--line);
  background:rgba(255,255,255,.6);
  padding:8px 10px;
  border-radius:999px;
  font-size:12px;
}
.nav a:hover{
  border-color:rgba(17,24,39,.25);
  box-shadow:var(--shadow2);
}

/* WRAP */
.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:18px 16px 100px;
}

/* HERO */
.hero{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  background:linear-gradient(180deg, #ffffff, #fbfbfc);
  box-shadow:var(--shadow);
}
.hero h1{
  margin:0;
  font-size:18px;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-weight:800;
}
.hero p{margin:10px 0 0;color:var(--muted);line-height:1.7}

/* FILTERS */
.filters{
  margin-top:14px;
  display:grid;
  gap:10px;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
}
.box{
  border:1px solid var(--line);
  border-radius:18px;
  padding:12px;
  background:var(--card);
  box-shadow:var(--shadow2);
}
.box label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}

input[type="search"], select{
  width:100%;
  padding:11px 12px;
  border-radius:14px;
  border:1px solid rgba(15,15,18,.12);
  background:#fff;
  color:var(--fg);
  font-size:14px;
  outline:none;
}
input[type="search"]::placeholder{color:rgba(15,15,18,.35)}
input[type="search"]:focus, select:focus{
  border-color:rgba(17,24,39,.35);
  box-shadow:0 0 0 4px rgba(17,24,39,.10);
}

.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  border:1px solid rgba(15,15,18,.12);
  background:rgba(255,255,255,.9);
  padding:8px 10px;
  border-radius:999px;
  font-size:12px;
  cursor:pointer;
  user-select:none;
}
.chip[data-active="true"]{
  border-color:rgba(17,24,39,.35);
  background:var(--accentSoft);
  color:var(--accent);
}

/* GRID CARDS */
.grid{
  margin-top:14px;
  display:grid;
  gap:14px;
  grid-template-columns: repeat(4, 1fr);
}
.card{
  border:1px solid rgba(15,15,18,.10);
  border-radius:20px;
  overflow:hidden;
  background:linear-gradient(180deg, #ffffff, #fbfbfc);
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover{
  transform: translateY(-3px);
  box-shadow:0 24px 70px rgba(15,15,18,.14);
  border-color:rgba(17,24,39,.18);
}
.imgwrap{
  height:210px;
  background:#f2f2f4;
  display:flex;
}
.imgwrap img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  display:block;
}
.content{padding:12px;display:flex;flex-direction:column;gap:10px}
.title{font-weight:800; letter-spacing:.01em}
.meta{color:var(--muted); font-size:13px; line-height:1.45}

.pill{
  border:1px solid rgba(15,15,18,.10);
  background:rgba(17,24,39,.04);
  border-radius:999px;
  padding:7px 10px;
  font-size:12px;
  display:inline-block;
}
.prices{display:flex;gap:8px;flex-wrap:wrap}

.btnrow{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.btn{
  display:block;
  text-align:center;
  padding:11px 12px;
  border-radius:14px;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.08em;
  border:1px solid rgba(15,15,18,.12);
}
.btn.primary{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.btn.primary:hover{
  box-shadow:0 18px 50px rgba(17,24,39,.18);
}
.btn.ghost{
  background:#fff;
  color:var(--accent);
}
.btn.ghost:hover{
  background:rgba(17,24,39,.04);
}

.empty{
  margin-top:14px;
  color:var(--muted);
  text-align:center;
  padding:24px;
  border:1px dashed rgba(15,15,18,.20);
  border-radius:18px;
  background:rgba(255,255,255,.7);
}

/* WhatsApp float */
.wa-float{
  position:fixed; right:16px; bottom:16px; z-index:9999;
  background:var(--accent);
  color:#fff;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid rgba(17,24,39,.25);
  box-shadow:0 25px 70px rgba(15,15,18,.18);
  font-size:14px;
  font-weight:800;
}
.wa-dot{width:10px;height:10px;border-radius:50%;background:#25D366;display:inline-block;margin-right:8px}

/* Responsive */
@media (max-width:1100px){
  .filters{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .grid{grid-template-columns:1fr}
  .btnrow{grid-template-columns:1fr}
  .filters{grid-template-columns:1fr}
}