:root {
  /* Paleta URG Technology (Regla 60-30-5-5) */
  --color-neutro: #F8F9FA; /* 60% Fondo */
  --color-blanco: #FFFFFF;
  
  --color-primario: #8A2BE2; /* 30% Marca */
  --color-primario-hover: #7b27c8;
  --color-primario-glow: rgba(138, 43, 226, 0.4);

  --color-negro: #111111; /* 5% Textos, bordes sutiles */
  --color-gris-texto: #333333;
  --color-gris-ancla: #95A5A6; /* Precio original tachado */
  --color-gris-border: #EAEAEA;
  
  --color-acento-verde: #2ECC71; /* 5% Estado, WhatsApp */
  --color-acento-ambar: #FFD700; /* 5% Rankings, Garantías */

  /* Tipografía */
  --font-principal: 'Montserrat', sans-serif;
  --font-secundaria: 'Inter', sans-serif;

  /* Sombras y Efectos */
  --shadow-card: 0 4px 12px rgba(0,0,0,0.05);
  --shadow-hover: 0 10px 25px rgba(138, 43, 226, 0.15);
  --shadow-neon: 0 0 15px var(--color-primario-glow);
  --transition-smooth: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-secundaria);
  background-color: var(--color-neutro); /* Fondo general 60% */
  color: var(--color-negro); /* Textos 5% */
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-principal);
  font-weight: 700;
  color: var(--color-negro);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

a:hover {
  color: var(--color-primario);
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: var(--font-principal);
  transition: var(--transition-smooth);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: var(--color-blanco);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
}

.logo-container img { height: 45px; cursor: pointer; }

.search-bar {
  flex: 1;
  max-width: 600px;
  margin: 0 40px;
  position: relative;
}

.search-bar input {
  width: 100%;
  padding: 12px 20px;
  border-radius: 30px;
  border: 1px solid var(--color-gris-border);
  font-size: 14px;
  font-family: var(--font-secundaria);
  background-color: var(--color-neutro);
}

.search-bar input:focus {
  border-color: var(--color-primario);
  box-shadow: 0 0 0 3px var(--color-primario-glow);
  background-color: var(--color-blanco);
}

.navbar {
  display: flex;
  gap: 20px;
  padding: 10px 0;
  border-top: 1px solid var(--color-gris-border);
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-link {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-gris-texto);
  padding: 8px 15px;
  border-radius: 20px;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  background-color: var(--color-primario); /* Primario activo */
  color: var(--color-blanco);
}

/* Chips de Filtro (Catálogo) */
.filter-chips {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  overflow-x: auto;
  padding-bottom: 5px;
}

.chip {
  background-color: var(--color-blanco);
  border: 1px solid var(--color-gris-border);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-gris-texto);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
}

.chip:hover {
  border-color: var(--color-primario);
  color: var(--color-primario);
}

.chip.active {
  background-color: var(--color-primario);
  color: var(--color-blanco);
  border-color: var(--color-primario);
}

/* Ficha Tipo 2 (Catálogo Alta Densidad) */
.grid-catalogo {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.card-tipo-2 {
  background: var(--color-blanco);
  border: 1px solid var(--color-gris-border);
  border-radius: 8px;
  padding: 15px;
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.card-tipo-2:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primario);
}

.card-badge-estado {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--color-acento-verde);
  color: var(--color-blanco);
  font-size: 10px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 12px;
  text-transform: uppercase;
}

.card-img-container {
  width: 100%;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.card-img-container img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 5px;
}

.card-model {
  font-size: 0.85rem;
  color: var(--color-gris-ancla);
  margin-bottom: 10px;
  flex: 1;
}

.card-price-container {
  margin-top: auto;
}

.card-price-hero {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primario);
}

.card-price-original {
  font-size: 0.9rem;
  color: var(--color-gris-ancla);
  text-decoration: line-through;
}

/* Ficha Tipo 3 (Terminal de Producto) */
.terminal-producto {
  display: grid;
  grid-template-columns: 1fr 1fr 350px;
  gap: 30px;
  background: var(--color-blanco);
  border-radius: 16px;
  padding: 30px;
  margin-top: 40px;
  box-shadow: var(--shadow-card);
}

.col-multimedia {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.main-image {
  width: 100%;
  height: 350px;
  background: var(--color-neutro);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gris-border);
}

.thumb-gallery {
  display: flex;
  gap: 10px;
}

.thumb {
  width: 70px;
  height: 70px;
  background: var(--color-neutro);
  border-radius: 8px;
  border: 1px solid var(--color-gris-border);
  cursor: pointer;
}

.thumb:hover, .thumb.active {
  border-color: var(--color-primario);
}

.col-identidad h1 {
  font-size: 2rem;
  margin-bottom: 5px;
}

.col-identidad h2 {
  font-size: 1.2rem;
  color: var(--color-gris-ancla);
  font-weight: 500;
  margin-bottom: 20px;
}

.specs-list {
  list-style: none;
  margin-top: 20px;
}

.specs-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-gris-border);
  font-size: 0.95rem;
  display: flex;
}

.specs-list li strong {
  width: 140px;
  color: var(--color-negro);
}

.col-compra {
  border: 1px solid var(--color-gris-border);
  border-radius: 12px;
  padding: 25px;
  background: var(--color-neutro);
  display: flex;
  flex-direction: column;
}

.compra-precio {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-primario);
  margin-bottom: 5px;
}

.garantia-badge {
  background: var(--color-blanco);
  border: 1px solid var(--color-acento-ambar);
  color: var(--color-negro);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.btn-cta-principal {
  background: var(--color-primario);
  color: var(--color-blanco);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 16px;
  border-radius: 8px;
  text-align: center;
  margin-bottom: 10px;
  box-shadow: var(--shadow-neon);
}

.btn-cta-principal:hover {
  background: var(--color-primario-hover);
  transform: scale(1.02);
}

.btn-cta-secundario {
  background: var(--color-blanco);
  color: var(--color-primario);
  border: 2px solid var(--color-primario);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 14px;
  border-radius: 8px;
  text-align: center;
}

.btn-cta-secundario:hover {
  background: rgba(138, 43, 226, 0.05);
}

/* Oferta del Día (Home) - Ajustada a proporciones */
.hero {
  position: relative;
  background: var(--color-neutro); /* Fondo Neutro */
  padding: 60px 0;
  text-align: center;
}

.hero h1 {
  color: var(--color-negro);
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero-banner {
  display: inline-block;
  background: var(--color-acento-verde);
  color: var(--color-blanco);
  font-weight: 700;
  padding: 10px 25px;
  border-radius: 8px;
  font-size: 14px;
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4);
}

.oferta-dia-card {
  display: flex;
  background: var(--color-blanco);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 2px solid var(--color-primario);
  margin-bottom: 40px;
}

.oferta-image {
  width: 50%;
  background: var(--color-neutro);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.oferta-info {
  width: 50%;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.btn-comprar {
  background: var(--color-primario);
  color: var(--color-blanco);
  font-size: 1.2rem;
  font-weight: 800;
  padding: 15px 30px;
  border-radius: 8px;
  text-transform: uppercase;
  box-shadow: var(--shadow-neon);
  align-self: flex-start;
}

/* Footer (Inmersivo pero limpio) */
.footer {
  background: var(--color-negro);
  color: var(--color-gris-claro);
  padding: 60px 0 20px;
  margin-top: 60px;
  border-top: 4px solid var(--color-primario);
}

.footer h4 { color: var(--color-blanco); margin-bottom: 20px; font-size: 1.2rem; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a:hover { color: var(--color-primario); }
.footer-logo {
  width: 100%;
  max-width: 220px;
  min-width: 180px;
  margin-bottom: 24px;
  filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(138, 43, 226, 0.6));
  display: block;
}

.whatsapp-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--color-acento-verde);
  color: var(--color-blanco);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4);
  z-index: 1000;
}

@media (max-width: 992px) {
  .terminal-producto {
    grid-template-columns: 1fr;
  }
  .grid-catalogo {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .oferta-dia-card { flex-direction: column; }
  .oferta-image, .oferta-info { width: 100%; }
}