:root {
  --color-rojo: #c1121f;
  --color-amarillo: #f4a261;
  --color-blanco: #ffffff;
  --color-gris-claro: #f8f9fa;
  --color-gris-medio: #6c757d;
  --color-gris-oscuro: #343a40;
  --color-negro: #212529;
  --sombra-suave: rgba(0, 0, 0, 0.1);
  --borde-radius: 0.5rem;
  --transition-fast: 0.2s ease-in-out;
  --font-main: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Body general */
body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--color-blanco);
  color: var(--color-gris-oscuro);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* Links */
a {
  color: var(--color-rojo);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover, a:focus {
  color: var(--color-amarillo);
  outline: none;
  text-decoration: underline;
}

/* Navbar */
.navbar {
  background: var(--color-blanco);
  padding: 1rem 2rem;
  box-shadow: 0 2px 8px var(--sombra-suave);
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand img {
  height: 50px;
  transition: transform var(--transition-fast);
}
.navbar-brand:hover img {
  transform: scale(1.05);
}

.navbar-nav {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-gris-oscuro);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background: var(--color-rojo);
  bottom: 0;
  left: 0;
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-rojo);
}

.nav-link:hover::after,
.nav-link:focus::after {
  width: 100%;
}

/* Botones */
.btn {
  padding: 0.6rem 1.5rem;
  border-radius: var(--borde-radius);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-blanco);
  background: var(--color-rojo);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:hover, .btn:focus {
  background: var(--color-amarillo);
  transform: translateY(-1px);
  outline: none;
}

/* Hero Section */
.hero-section {
  height: 70vh;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('assets/img/banners/hero.jpg') center/cover no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--color-blanco);
  text-align: center;
  padding: 0 1.5rem;
}

.hero-section h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-section p.lead {
  font-weight: 400;
  font-size: clamp(1rem, 2vw, 1.3rem);
  max-width: 650px;
  margin-bottom: 2rem;
  line-height: 1.5;
}

/* Cards de productos */
.product-card {
  background: var(--color-blanco);
  border-radius: var(--borde-radius);
  box-shadow: 0 4px 12px var(--sombra-suave);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.product-card .card-img-top {
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .card-img-top {
  transform: scale(1.03);
}

.product-card .card-body {
  padding: 1.5rem;
  text-align: center;
}

.product-card .price {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-rojo);
  margin-top: 0.5rem;
}

/* Estrellas */
.star-rating {
  display: flex;
  justify-content: center;
  gap: 0.2rem;
  color: var(--color-amarillo);
  font-size: 1.2rem;
}

/* Filtros categorías */
.filter-category {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border-radius: var(--borde-radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid var(--color-rojo);
  color: var(--color-rojo);
  margin-right: 0.8rem;
  margin-bottom: 1rem;
  background: transparent;
  transition: all var(--transition-fast);
}

.filter-category:hover {
  background: var(--color-rojo);
  color: var(--color-blanco);
}

.filter-category.active {
  background: var(--color-rojo);
  color: var(--color-blanco);
}

/* Footer */
footer {
  background: var(--color-gris-oscuro);
  padding: 3rem 1rem;
  color: var(--color-blanco);
  text-align: center;
}

footer a {
  color: var(--color-blanco);
  font-weight: 500;
  transition: color var(--transition-fast);
}
footer a:hover {
  color: var(--color-amarillo);
  text-decoration: underline;
}