:root{
  --bg: #0d1117;
  --panel: #101522;
  --line: #27314a;
  --text: #e7eefc;
  --muted:#9fb0d2;
  --primary:#4da6ff;
  --primary-strong:#1f6ad8;
  --success:#36c689;
  --danger:#ef6464;
}

*{ box-sizing:border-box; }

body{ background:var(--bg); color:var(--text); margin:0; font-family:system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif; }

.section{ max-width:1200px; margin-inline:auto; padding:24px min(4vw,20px); }

.lead{ color:var(--muted); margin-top:0.25rem; }

/* ======= Nav simple (opcional) ======= */
.nav-mini{
  max-width:1200px; margin:0 auto; padding:10px min(4vw,20px);
  display:flex; justify-content:space-between; align-items:center;
}
.nav-mini a{ color:var(--text); text-decoration:none; opacity:.9; }
.nav-mini a:hover{ opacity:1; text-decoration:underline; }
.nav-mini .brand{ font-weight:800; }
.nav-mini .cta{ background:var(--primary); color:#fff; padding:.4rem .7rem; border-radius:8px; }
.nav-mini .cta:hover{ background:var(--primary-strong); }

/* ======= Grid de productos (4 horizontales, alineados) ======= */
.store-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr); /* siempre 4 columnas */
  gap: 1.25rem;
}

.product-card{
  display: flex;
  flex-direction: column;   /* organiza en columna */
  justify-content: space-between;
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}

/* imagen siempre con el mismo tamaño */
.product-card img{
  width: 110px; 
  height: 140px;              /* altura fija para todas */
  object-fit: contain;        /* mantiene proporción sin recortar */
  margin:0 auto 12px auto; 
  display:block;
  flex-shrink: 0;
}

/* etiqueta descuento */
.product-card .discount{
  position:absolute; top:8px; left:8px;
  background: var(--primary-strong); color:#fff;
  padding:2px 8px; font-size:.8rem; border-radius:6px; font-weight:800;
}

/* título ocupa su espacio fijo */
.product-card .title{
  min-height: 2.8em;       /* asegura 2 líneas de altura */
  margin:.35rem 0 .2rem;
  font-size:1rem; 
  line-height:1.25; 
  font-weight:700;
  flex-shrink: 0;
}

.old-price{ color:var(--muted); text-decoration:line-through; margin:.2rem 0; }
.price{ color:#fff; font-weight:800; font-size:1.15rem; margin:.25rem 0; }

.stock{ margin:.25rem 0 .6rem; font-size:.95rem; }
.stock.in{ color:var(--success); }
.stock.out{ color:var(--muted); }

/* botón siempre alineado abajo */
.details-btn{
  margin-top: auto;        /* empuja hacia el fondo */
  background:var(--primary);
  color:#fff; 
  border:0; 
  border-radius:8px;
  padding:.55rem .9rem; 
  cursor:pointer;
}
.details-btn:hover{ background:var(--primary-strong); }

/* ======= Panel lateral ======= */
.details-panel{
  position: fixed;
  top: 0; right: 0;
  width: 420px; max-width: 100vw; height: 100vh;
  background: var(--panel);
  border-left: 1px solid var(--line);
  transform: translateX(100%);
  transition: transform .28s ease;
  z-index: 50;
  display:flex; flex-direction:column;
}
.details-panel.open{ transform: translateX(0); }
@media (max-width: 600px){
  .details-panel{ width:100vw; }
}

.details-header{
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 16px; border-bottom:1px solid var(--line);
}
.details-header h3{ margin:0; font-size:1.05rem; }

.btn-close{
  background:transparent; border:0; color:var(--text);
  font-size:1.2rem; cursor:pointer; line-height:1;
}

.details-meta{
  display:flex; justify-content:space-between; align-items:baseline;
  gap:1rem; padding:12px 16px; border-bottom:1px solid var(--line);
}
.details-meta .old-price{ margin:0; }
.details-meta .price{ margin:0; }
.details-meta .stock{ margin:0; }

.details-content{
  padding:16px; overflow:auto;
}
.details-content h3{ margin-top:0; }
.details-content h4{ margin:.8rem 0 .35rem; }
.details-content ul{ margin:.25rem 0 .6rem 1.1rem; line-height:1.5; }

/* Accesibilidad: oculto visualmente si aria-hidden */
[aria-hidden="true"]{ visibility:hidden; }

.choice-cta{
  margin-top:1.5rem;
  text-align:center;
  justify-content: center;
  align-items: center;
}

.whatsapp-btn{
  display:inline-block;
  background:#25D366; /* verde WhatsApp */
  color:#fff;
  padding:.8rem 1.6rem;
  border-radius:50px;
  font-weight:600;
  font-size:1rem;
  text-decoration:none;
  box-shadow:0 4px 12px rgba(0,0,0,.25);
  transition:background .3s ease, transform .2s ease;
}

.whatsapp-btn:hover{
  background:#20b954;
  transform:translateY(-3px);
}