/* ================= BLOQUE: RESET ================= */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

body{
  background:#05070f;
  color:#ffffff;
  overflow-x:hidden;
}

/* ================= BLOQUE: NAV ================= */
.nav{
  position:fixed;
  top:0;
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 26px;
  background:rgba(0,0,0,0.45);
  backdrop-filter: blur(10px);
  z-index:10;
  border-bottom:1px solid rgba(255,255,255,0.08);
}

.logo{
  text-decoration:none;
  color:#fff;
  font-weight:900;
  letter-spacing:.5px;
}

.logo span{ color:#00f5ff; }

.nav-links a{
  color:#fff;
  text-decoration:none;
  margin:0 12px;
  opacity:.85;
  font-weight:600;
}
.nav-links a:hover{ opacity:1; }

.btn-nav{
  background:#00f5ff;
  color:#000;
  padding:10px 16px;
  border-radius:999px;
  text-decoration:none;
  font-weight:800;
}

/* ================= BLOQUE: PRODUCTO LAYOUT ================= */
.product{
  padding-top:92px; /* para que no se quede debajo de la nav */
  padding-bottom:40px;
}

.product-wrap{
  max-width:1100px;
  margin:0 auto;
  padding:24px 18px;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:18px;
}

/* ================= BLOQUE: MEDIA ================= */
.product-media{
  background:#0b1120;
  border:1px solid rgba(255,255,255,0.10);
  border-radius:22px;
  padding:16px;
}

.product-image{
  border-radius:18px;
  background:linear-gradient(135deg, rgba(0,245,255,0.10), rgba(124,58,237,0.10));
  border:1px solid rgba(255,255,255,0.08);
  overflow:hidden;
}

.placeholder{
  height:360px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  opacity:.75;
}

.thumbs{
  margin-top:12px;
  display:flex;
  gap:10px;
}

.thumb{
  width:64px;
  height:64px;
  border-radius:14px;
  background:#111827;
  border:1px solid rgba(255,255,255,0.08);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:.8;
}

.note{
  margin-top:12px;
  color:rgba(255,255,255,0.65);
  font-size:0.95rem;
  line-height:1.4;
  border-left:2px solid rgba(0,245,255,0.5);
  padding:8px 12px;
}

/* ================= BLOQUE: INFO ================= */
.product-info{
  background:#0b1120;
  border:1px solid rgba(255,255,255,0.10);
  border-radius:22px;
  padding:18px;
}

.tag{
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(0,245,255,0.45);
  background:rgba(0,245,255,0.10);
  color:#00f5ff;
  font-weight:900;
  font-size:0.85rem;
}

.title{
  margin-top:12px;
  font-size:2.1rem;
  letter-spacing:-.5px;
}

.desc{
  margin-top:10px;
  opacity:.85;
  line-height:1.55;
}

.price-row{
  margin-top:14px;
  display:flex;
  align-items:baseline;
  gap:10px;
}

.price{
  font-size:2.2rem;
  font-weight:900;
  color:#00f5ff;
}
.from{ opacity:.7; font-weight:700; }

.badges{
  margin-top:14px;
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:10px;
}

.badge{
  padding:10px 12px;
  border-radius:14px;
  background:#111827;
  border:1px solid rgba(255,255,255,0.08);
  font-weight:700;
  opacity:.95;
}

.options{
  margin-top:14px;
  display:grid;
  gap:10px;
}

.opt{
  padding:12px;
  border-radius:16px;
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.08);
}

.opt-k{
  font-size:0.78rem;
  opacity:.7;
  font-weight:900;
  letter-spacing:.6px;
  text-transform:uppercase;
}

.opt-v{
  margin-top:6px;
  font-weight:700;
  opacity:.9;
}

.btn-main{
  margin-top:16px;
  display:inline-block;
  width:100%;
  text-align:center;
  padding:14px 18px;
  background:#00f5ff;
  color:#000;
  border-radius:999px;
  text-decoration:none;
  font-weight:900;
  transition: transform .2s ease;
}
.btn-main:hover{ transform: translateY(-2px); }

.mini-text{
  margin-top:10px;
  color:#94a3b8;
  font-size:0.95rem;
}

/* ================= BLOQUE: DETALLES ================= */
.details{
  padding: 18px 18px 70px;
}

.details-wrap{
  max-width:1100px;
  margin:0 auto;
  background:linear-gradient(135deg, rgba(0,245,255,0.08), rgba(124,58,237,0.08));
  border:1px solid rgba(255,255,255,0.10);
  border-radius:22px;
  padding:18px;
}

.details-wrap h2{
  font-size:1.6rem;
  margin-bottom:12px;
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:12px;
}

.card{
  background:#0b1120;
  border:1px solid rgba(255,255,255,0.10);
  border-radius:18px;
  padding:14px;
}
.card h3{ margin-bottom:8px; }
.card p{ opacity:.8; line-height:1.45; }

/* ================= BLOQUE: FOOTER ================= */
.footer{
  padding:26px 18px;
  text-align:center;
  background:#0b1120;
  color:#94a3b8;
  border-top:1px solid rgba(255,255,255,0.08);
}

/* ================= BLOQUE: WHATSAPP ================= */
.whatsapp{
  position:fixed;
  bottom:18px;
  right:18px;
  width:56px;
  height:56px;
  border-radius:50%;
  background:#25D366;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  text-decoration:none;
  color:white;
  box-shadow:0 10px 25px rgba(0,0,0,0.45);
  transition:.25s;
  z-index:20;
}
.whatsapp:hover{ transform: scale(1.08); }

/* ================= BLOQUE: RESPONSIVE ================= */
@media (max-width: 980px){
  .product-wrap{ grid-template-columns: 1fr; }
  .placeholder{ height:300px; }
  .grid{ grid-template-columns: 1fr; }
  .nav-links{ display:none; }
}
/* ================= BLOQUE: PEDIDO BOX ================= */

.pedido-box{
  margin-top:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.label{
  font-size:.8rem;
  font-weight:900;
  opacity:.7;
  text-transform:uppercase;
  letter-spacing:.7px;
}

select{
  padding:12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,0.1);
  background:#111827;
  color:white;
  font-weight:700;
  outline:none;
}

select:focus{
  border-color:#00f5ff;
}