:root{
  --accent:#195d7b;
  --bg:#2e3848;
  --card:#f9f9f9;
}
*{box-sizing:border-box;margin:0;padding:0}
body {
    padding-top: 82px; /* 72px del navbar + 10px de margen */
    margin: 0;
    font-family: Arial, sans-serif;
    background: var(--bg);
    color: #fff;
    line-height: 1.4;
}

/* Navbar */
.navbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 12px 20px;
  background: rgba(18,24,27,0.95);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  min-height: 72px; /* cambiado de height fijo a min-height */
  z-index: 1000;
  width: 100%; /* asegura ancho completo */
}

.logo img {
  height: 48px;
  width: auto;
  min-width: 30px; /* asegura tamaño mínimo */
}

.brand {
  text-align: center;
  color: #fff;
  font-size: 1.4em;
  font-weight: bold;
  letter-spacing: 1px;
  white-space: nowrap; /* evita que el texto se rompa */
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links {
  display: flex;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #f3f3f3;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
}

.nav-links a:hover {
  background: rgba(255,255,255,0.1);
}

/* hero */
.hero{padding:48px 20px;text-align:center}
.hero-inner h1{font-size:2.6rem;color:#fff;letter-spacing:1px}
.hero-inner p{color:#d7eaf3;margin-top:8px}

/* carousel */
.carousel {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 20px auto;
    overflow: hidden;
    border-radius: 12px;
    background: #000;
}

.slides {
    display: flex;
    transition: transform 0.5s ease;
    height: auto; /* altura automática */
}

.slide {
    min-width: 100%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide img {
    width: 100%;
    height: auto; /* altura automática */
    max-height: 600px; /* altura máxima */
    object-fit: contain; /* mantiene proporción */
    display: block;
}
.carousel .prev,.carousel .next{
  position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,0.35);border:none;color:#fff;padding:10px;border-radius:6px;cursor:pointer;
}
.prev{left:12px}.next{right:12px}
.indicators{position:absolute;left:50%;transform:translateX(-50%);bottom:12px;display:flex;gap:8px}
.indicators button{width:10px;height:10px;border-radius:50%;border:none;background:rgba(255,255,255,0.4);cursor:pointer}
.indicators button.active{background:var(--accent)}

/* products list */
.main-products{max-width:1100px;margin:28px auto;padding:0 16px}
.product-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.product{background:var(--card);color:#222;border-radius:12px;padding:14px;text-align:center;box-shadow:0 6px 18px rgba(0,0,0,0.12)}
.product img{width:100%;height:160px;object-fit:cover;border-radius:8px;margin-bottom:10px}
.product .precio{font-weight:700;margin:8px 0}
.product-actions{display:flex;gap:8px;justify-content:center;align-items:center}
.product-actions button,.product-actions .btn-det{padding:8px 12px;border-radius:8px;border:none;cursor:pointer}
.product-actions button{background:var(--accent);color:#fff}
.product-actions .btn-det{background:#e6eef3;color:var(--accent);text-decoration:none}

/* footer */
.site-footer{padding:20px;text-align:center;color:#d7dfe7;margin-top:24px}

/* carrito (reusa st_styles) */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(360px, 95vw);
  background: #f9f9f9;
  padding: 20px;
  box-shadow: -4px 0 18px rgba(0,0,0,0.18);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1200; /* Mayor que navbar */
}

.cart-sidebar.active{transform:translateX(0)}
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1100; /* Entre navbar y sidebar */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s;
}
.cart-overlay.active{visibility:visible;opacity:1}
.close-cart{position:absolute;top:12px;right:14px;border:none;background:transparent;font-size:22px;cursor:pointer}
.cart-item{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #eee}
.cart-buttons{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.checkout-btn{background:var(--accent);color:#fff;padding:10px;border-radius:8px;border:none}
.factura-btn{background:#2e3848;color:#fff;padding:10px;border-radius:8px;border:none}

/* responsive */
@media (max-width:600px){
  .hero-inner h1{font-size:1.8rem}
  .slide img{height:180px}
}

/* Sección de categorías */
.section-title {
    text-align: center;
    font-size: 2em;
    margin: 40px 0;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.category-card {
    background: var(--card);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: #222;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}

.card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.category-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 20px;
}

.card-content h3 {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: var(--accent);
}

.card-content p {
    color: #555;
    margin-bottom: 16px;
    line-height: 1.5;
}

.btn-explore {
    display: inline-block;
    color: var(--accent);
    font-weight: bold;
    padding: 8px 0;
    transition: transform 0.2s ease;
}

.category-card:hover .btn-explore {
    transform: translateX(8px);
}

/* Media queries mejorados */
@media (max-width: 768px) {
  .navbar {
    padding: 8px 15px;
    min-height: 60px;
    grid-template-columns: auto 1fr auto; /* mantiene proporciones */
  }

  .logo img {
    height: 40px;
  }

  .brand {
    font-size: 1.2em;
    margin: 0 10px; /* espacio a los lados */
  }

  body {
    padding-top: 60px; /* ajusta según altura del navbar */
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 8px 10px;
    min-height: 50px;
  }

  .logo img {
    height: 32px;
  }

  .brand {
    font-size: 1em;
    margin: 0 5px;
  }

  body {
    padding-top: 50px;
  }
}

@media (max-width: 360px) {
  .navbar {
    padding: 6px 8px;
  }

  .logo img {
    height: 28px;
  }

  .brand {
    font-size: 0.9em;
  }
}

/* Asegura que el contenido no se desborde */
* {
  max-width: 100%;
  box-sizing: border-box;
}

body {
  overflow-x: hidden; /* previene scroll horizontal */
  width: 100%;
}

.carousel, 
.main-products,
.categories-grid {
  max-width: 100%;
  overflow: hidden;
}

/* Ajustes responsivos para el carrusel */
@media (max-width: 1024px) {
    .carousel {
        margin-top: 20px; /* Mantiene el margen en tablets */
    }
    .slide img {
        max-height: 500px;
    }
}

@media (max-width: 768px) {
    .carousel {
        margin-top: 20px; /* Mantiene el margen en móviles grandes */
    }
    .slide img {
        max-height: 400px;
    }
}

@media (max-width: 480px) {
    .carousel {
        margin-top: 20px; /* Mantiene el margen en móviles */
    }
    .slide img {
        max-height: 300px;
    }
}