/* ============================================
   REAL CHESS - Estilos principales
   Paleta: negro, blanco, dorado, madera
   ============================================ */

:root {
  --negro:    #0d0d0d;
  --blanco:   #f5f5f0;
  --dorado:   #c9a84c;
  --dorado2:  #e8c96a;
  --madera:   #8b5e3c;
  --madera2:  #c49a6c;
  --gris:     #2a2a2a;
  --gris2:    #444;
  --gris3:    #888;
  --fondo:    #111111;
  --card-bg:  #1a1a1a;
  --borde:    #2e2e2e;
  --texto:    #e0ddd5;
  --sombra:   0 4px 24px rgba(0,0,0,0.5);
  --radio:    8px;
  --trans:    0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--dorado); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--dorado2); }

img { max-width: 100%; display: block; }

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

/* ---- BOTONES ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radio);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  border: none; transition: all var(--trans); text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--dorado), var(--madera2));
  color: var(--negro);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--dorado2), var(--dorado)); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(201,168,76,0.4); color: var(--negro); }
.btn-outline {
  background: transparent; border: 2px solid var(--dorado);
  color: var(--dorado);
}
.btn-outline:hover { background: var(--dorado); color: var(--negro); }
.btn-whatsapp { background: #25d366; color: #fff; }
.btn-whatsapp:hover { background: #1ebe5d; color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-danger { background: #c0392b; color: #fff; }
.btn-danger:hover { background: #e74c3c; color: #fff; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(13,13,13,0.95); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde);
  padding: 0 20px; height: 70px;
  display: flex; align-items: center;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.navbar-brand { display: flex; align-items: center; gap: 12px; }
.navbar-brand .logo-icon { font-size: 2rem; }
.navbar-brand .brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.navbar-brand .brand-name { font-size: 1.3rem; font-weight: 800; color: var(--dorado); letter-spacing: 2px; }
.navbar-brand .brand-slogan { font-size: 0.65rem; color: var(--gris3); letter-spacing: 1px; text-transform: uppercase; }
.navbar-nav { display: flex; align-items: center; gap: 8px; list-style: none; }
.navbar-nav a { color: var(--texto); padding: 8px 14px; border-radius: var(--radio); font-size: 0.9rem; transition: all var(--trans); }
.navbar-nav a:hover, .navbar-nav a.active { color: var(--dorado); background: rgba(201,168,76,0.1); }
.navbar-actions { display: flex; align-items: center; gap: 12px; }
.cart-btn {
  position: relative; background: none; border: none; cursor: pointer;
  color: var(--texto); font-size: 1.4rem; padding: 8px;
  transition: color var(--trans);
}
.cart-btn:hover { color: var(--dorado); }
.cart-count {
  position: absolute; top: 0; right: 0;
  background: var(--dorado); color: var(--negro);
  font-size: 0.65rem; font-weight: 700;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  display: none;
}
.cart-count.visible { display: flex; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--texto); transition: all var(--trans); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a1008 50%, #0d0d0d 100%);
  position: relative; overflow: hidden; padding-top: 70px;
}
.hero::before {
  content: '♟'; position: absolute; font-size: 40vw; opacity: 0.03;
  right: -5%; top: 50%; transform: translateY(-50%);
  color: var(--dorado); pointer-events: none; line-height: 1;
}
.hero-content { position: relative; z-index: 1; max-width: 650px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,168,76,0.15); border: 1px solid rgba(201,168,76,0.3);
  color: var(--dorado); padding: 6px 16px; border-radius: 50px;
  font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 900;
  line-height: 1.1; margin-bottom: 20px; color: var(--blanco);
}
.hero h1 span { color: var(--dorado); }
.hero p { font-size: 1.15rem; color: var(--gris3); margin-bottom: 36px; max-width: 500px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 60px; }
.stat { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--dorado); display: block; }
.stat-label { font-size: 0.8rem; color: var(--gris3); text-transform: uppercase; letter-spacing: 1px; }

/* ---- SECCIONES ---- */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block; color: var(--dorado);
  font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 12px;
}
.section-header h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; color: var(--blanco); margin-bottom: 16px; }
.section-header p { color: var(--gris3); max-width: 560px; margin: 0 auto; }
.divider { width: 60px; height: 3px; background: linear-gradient(90deg, var(--dorado), var(--madera2)); margin: 16px auto 0; border-radius: 2px; }

/* ---- CATEGORÍAS ---- */
.categorias-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.categoria-card {
  background: var(--card-bg); border: 1px solid var(--borde);
  border-radius: var(--radio); padding: 28px 20px; text-align: center;
  cursor: pointer; transition: all var(--trans); text-decoration: none;
  display: block;
}
.categoria-card:hover { border-color: var(--dorado); transform: translateY(-4px); box-shadow: var(--sombra); }
.categoria-card .cat-icon { font-size: 2.5rem; margin-bottom: 12px; }
.categoria-card h3 { font-size: 0.95rem; color: var(--blanco); font-weight: 600; }

/* ---- PRODUCTOS GRID ---- */
.productos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.producto-card {
  background: var(--card-bg); border: 1px solid var(--borde);
  border-radius: var(--radio); overflow: hidden;
  transition: all var(--trans); display: flex; flex-direction: column;
}
.producto-card:hover { border-color: var(--dorado); transform: translateY(-4px); box-shadow: var(--sombra); }
.producto-img {
  position: relative; aspect-ratio: 1; overflow: hidden;
  background: var(--gris);
}
.producto-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--trans); }
.producto-card:hover .producto-img img { transform: scale(1.05); }
.badge-destacado {
  position: absolute; top: 12px; left: 12px;
  background: var(--dorado); color: var(--negro);
  font-size: 0.7rem; font-weight: 700; padding: 4px 10px;
  border-radius: 50px; text-transform: uppercase; letter-spacing: 1px;
}
.badge-agotado {
  position: absolute; top: 12px; right: 12px;
  background: #c0392b; color: #fff;
  font-size: 0.7rem; font-weight: 700; padding: 4px 10px;
  border-radius: 50px;
}
.producto-info { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.producto-cat { font-size: 0.75rem; color: var(--dorado); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.producto-nombre { font-size: 1rem; font-weight: 700; color: var(--blanco); margin-bottom: 8px; line-height: 1.3; }
.producto-desc { font-size: 0.85rem; color: var(--gris3); margin-bottom: 16px; flex: 1; }
.producto-precio { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.precio-actual { font-size: 1.3rem; font-weight: 800; color: var(--dorado); }
.precio-original { font-size: 0.9rem; color: var(--gris3); text-decoration: line-through; }
.producto-actions { display: flex; gap: 8px; }
.producto-actions .btn { flex: 1; justify-content: center; }

/* ---- FILTROS ---- */
.filtros-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 32px; padding: 20px; background: var(--card-bg);
  border: 1px solid var(--borde); border-radius: var(--radio);
}
.filtros-bar input, .filtros-bar select {
  background: var(--gris); border: 1px solid var(--borde);
  color: var(--texto); padding: 10px 16px; border-radius: var(--radio);
  font-size: 0.9rem; outline: none; transition: border-color var(--trans);
}
.filtros-bar input:focus, .filtros-bar select:focus { border-color: var(--dorado); }
.filtros-bar input { flex: 1; min-width: 200px; }

/* ---- DETALLE PRODUCTO ---- */
.producto-detalle { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.galeria-principal { aspect-ratio: 1; border-radius: var(--radio); overflow: hidden; background: var(--card-bg); border: 1px solid var(--borde); }
.galeria-principal img { width: 100%; height: 100%; object-fit: cover; }
.galeria-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.thumb { width: 70px; height: 70px; border-radius: 6px; overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: border-color var(--trans); }
.thumb.active, .thumb:hover { border-color: var(--dorado); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.detalle-info .breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 0.85rem; color: var(--gris3); margin-bottom: 16px; }
.detalle-info .breadcrumb a { color: var(--gris3); }
.detalle-info .breadcrumb a:hover { color: var(--dorado); }
.detalle-info h1 { font-size: 2rem; font-weight: 800; color: var(--blanco); margin-bottom: 12px; }
.detalle-precio { font-size: 2.2rem; font-weight: 900; color: var(--dorado); margin-bottom: 20px; }
.detalle-desc { color: var(--gris3); line-height: 1.8; margin-bottom: 28px; }
.stock-info { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; font-size: 0.9rem; }
.stock-dot { width: 10px; height: 10px; border-radius: 50%; background: #27ae60; }
.stock-dot.agotado { background: #c0392b; }
.cantidad-selector { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.cantidad-selector label { font-size: 0.9rem; color: var(--gris3); }
.qty-control { display: flex; align-items: center; border: 1px solid var(--borde); border-radius: var(--radio); overflow: hidden; }
.qty-btn { background: var(--gris); border: none; color: var(--texto); width: 40px; height: 40px; cursor: pointer; font-size: 1.2rem; transition: background var(--trans); }
.qty-btn:hover { background: var(--dorado); color: var(--negro); }
.qty-input { width: 60px; text-align: center; background: var(--card-bg); border: none; color: var(--texto); font-size: 1rem; padding: 8px; outline: none; }
.detalle-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---- CARRITO ---- */
.carrito-layout { display: grid; grid-template-columns: 1fr 360px; gap: 32px; align-items: start; }
.carrito-items { background: var(--card-bg); border: 1px solid var(--borde); border-radius: var(--radio); overflow: hidden; }
.carrito-item { display: grid; grid-template-columns: 80px 1fr auto; gap: 16px; align-items: center; padding: 20px; border-bottom: 1px solid var(--borde); }
.carrito-item:last-child { border-bottom: none; }
.carrito-item-img { width: 80px; height: 80px; border-radius: 6px; overflow: hidden; background: var(--gris); }
.carrito-item-img img { width: 100%; height: 100%; object-fit: cover; }
.carrito-item-nombre { font-weight: 600; color: var(--blanco); margin-bottom: 4px; }
.carrito-item-precio { color: var(--dorado); font-size: 0.9rem; }
.carrito-item-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.carrito-item-subtotal { font-weight: 700; color: var(--dorado); font-size: 1.1rem; }
.btn-remove { background: none; border: none; color: var(--gris3); cursor: pointer; font-size: 1.2rem; transition: color var(--trans); }
.btn-remove:hover { color: #e74c3c; }
.carrito-vacio { text-align: center; padding: 60px 20px; color: var(--gris3); }
.carrito-vacio .icon { font-size: 4rem; margin-bottom: 16px; }
.resumen-card { background: var(--card-bg); border: 1px solid var(--borde); border-radius: var(--radio); padding: 28px; position: sticky; top: 90px; }
.resumen-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--blanco); margin-bottom: 24px; }
.resumen-row { display: flex; justify-content: space-between; margin-bottom: 12px; font-size: 0.95rem; }
.resumen-total { display: flex; justify-content: space-between; font-size: 1.3rem; font-weight: 800; color: var(--dorado); border-top: 1px solid var(--borde); padding-top: 16px; margin-top: 8px; margin-bottom: 24px; }
.form-pedido { margin-top: 24px; border-top: 1px solid var(--borde); padding-top: 24px; }
.form-pedido h4 { font-size: 1rem; font-weight: 700; color: var(--blanco); margin-bottom: 16px; }

/* ---- FORMULARIOS ---- */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; color: var(--gris3); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: var(--gris); border: 1px solid var(--borde);
  color: var(--texto); padding: 12px 16px; border-radius: var(--radio);
  font-size: 0.95rem; outline: none; transition: border-color var(--trans);
  font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--dorado); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---- CONTACTO ---- */
.contacto-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contacto-info h2 { font-size: 2rem; font-weight: 800; color: var(--blanco); margin-bottom: 16px; }
.contacto-info p { color: var(--gris3); margin-bottom: 32px; }
.contacto-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
.contacto-item .icon { font-size: 1.5rem; color: var(--dorado); flex-shrink: 0; margin-top: 2px; }
.contacto-item h4 { font-size: 0.9rem; color: var(--blanco); font-weight: 600; margin-bottom: 4px; }
.contacto-item p { color: var(--gris3); font-size: 0.9rem; margin: 0; }
.social-links { display: flex; gap: 12px; margin-top: 32px; }
.social-link {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gris); border: 1px solid var(--borde);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; transition: all var(--trans); color: var(--texto);
}
.social-link:hover { background: var(--dorado); color: var(--negro); border-color: var(--dorado); }

/* ---- NOSOTROS ---- */
.nosotros-hero { padding: 140px 0 80px; text-align: center; }
.nosotros-hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; color: var(--blanco); margin-bottom: 16px; }
.nosotros-hero p { color: var(--gris3); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.valores-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.valor-card { background: var(--card-bg); border: 1px solid var(--borde); border-radius: var(--radio); padding: 32px 24px; text-align: center; }
.valor-card .icon { font-size: 2.5rem; margin-bottom: 16px; }
.valor-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--blanco); margin-bottom: 10px; }
.valor-card p { color: var(--gris3); font-size: 0.9rem; }

/* ---- FOOTER ---- */
footer {
  background: var(--negro); border-top: 1px solid var(--borde);
  padding: 60px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .brand-name { font-size: 1.5rem; font-weight: 800; color: var(--dorado); letter-spacing: 2px; margin-bottom: 8px; }
.footer-brand p { color: var(--gris3); font-size: 0.9rem; max-width: 280px; line-height: 1.7; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; color: var(--blanco); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--gris3); font-size: 0.9rem; transition: color var(--trans); }
.footer-col ul li a:hover { color: var(--dorado); }
.footer-bottom { border-top: 1px solid var(--borde); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { color: var(--gris3); font-size: 0.85rem; }

/* ---- TOAST ---- */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--card-bg); border: 1px solid var(--borde);
  border-left: 4px solid var(--dorado); color: var(--texto);
  padding: 14px 20px; border-radius: var(--radio);
  box-shadow: var(--sombra); font-size: 0.9rem;
  animation: slideIn 0.3s ease; max-width: 320px;
}
.toast.success { border-left-color: #27ae60; }
.toast.error { border-left-color: #e74c3c; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.8);
  z-index: 2000; display: flex; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; pointer-events: none; transition: opacity var(--trans);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: var(--card-bg); border: 1px solid var(--borde);
  border-radius: var(--radio); padding: 40px; max-width: 500px; width: 100%;
  transform: scale(0.9); transition: transform var(--trans);
}
.modal-overlay.active .modal { transform: scale(1); }
.modal h3 { font-size: 1.4rem; font-weight: 700; color: var(--blanco); margin-bottom: 8px; }
.modal p { color: var(--gris3); margin-bottom: 24px; }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; }

/* ---- LOADING ---- */
.loading { display: flex; justify-content: center; padding: 60px; }
.spinner { width: 40px; height: 40px; border: 3px solid var(--borde); border-top-color: var(--dorado); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- PAGE HEADER ---- */
.page-header { padding: 120px 0 60px; text-align: center; background: linear-gradient(180deg, rgba(201,168,76,0.05) 0%, transparent 100%); }
.page-header h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; color: var(--blanco); margin-bottom: 12px; }
.page-header p { color: var(--gris3); }

/* ---- PAGINACIÓN ---- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.page-btn { width: 40px; height: 40px; border-radius: var(--radio); background: var(--card-bg); border: 1px solid var(--borde); color: var(--texto); cursor: pointer; transition: all var(--trans); font-size: 0.9rem; }
.page-btn:hover, .page-btn.active { background: var(--dorado); color: var(--negro); border-color: var(--dorado); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .producto-detalle { grid-template-columns: 1fr; }
  .carrito-layout { grid-template-columns: 1fr; }
  .resumen-card { position: static; }
}

@media (max-width: 768px) {
  .navbar-nav { display: none; position: fixed; top: 70px; left: 0; right: 0; background: var(--negro); border-bottom: 1px solid var(--borde); flex-direction: column; padding: 20px; gap: 4px; }
  .navbar-nav.open { display: flex; }
  .hamburger { display: flex; }
  .hero-stats { gap: 24px; }
  .contacto-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .carrito-item { grid-template-columns: 60px 1fr; }
  .carrito-item-actions { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .detalle-actions { flex-direction: column; }
  .productos-grid { grid-template-columns: 1fr; }
}