/* ===== VARIABLES GLOBALES ===== */
:root {
  /* Colores Primarios - Azul */
  --color-blue-50: #f0f7ff;
  --color-blue-100: #e0f0ff;
  --color-blue-600: #0071e3;
  --color-blue-700: #0052a3;
  --color-blue-900: #003d7a;

  /* Color Secundario - Marrón */
  --color-brown: #a2845e;

  /* Colores Semánticos */
  --color-success: #34c759;
  --color-warning: #ff9500;
  --color-danger: #ff3b30;
  --color-info: #0071e3;

  /* Grises - WCAG AA compliant contrast */
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e8e8ea;
  --color-gray-300: #d5d5d7;
  --color-gray-400: #8a8a8e;
  --color-gray-500: #636366;
  --color-gray-600: #3a3a3c;
  --color-gray-700: #1a1a1a;
  --color-gray-900: #000000;

  /* Aliases para compatibilidad */
  --color-bg: #ffffff;
  --color-text: #000000;
  --color-text-secondary: #3a3a3c;
  --color-border: #e8e8ea;
  --color-accent: #0071e3;
  --color-accent-hover: #0077ed;
  --color-bg-secondary: #f5f5f7;

  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 28px;
  --font-size-3xl: 48px;

  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 8px 24px rgba(0, 113, 227, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-blue-50: #0a1628;
    --color-blue-100: #142a47;
    --color-blue-600: #0a84ff;
    --color-blue-700: #0066cc;
    --color-blue-900: #004d99;

    --color-gray-50: #0f0f0f;
    --color-gray-100: #1a1a1a;
    --color-gray-200: #333333;
    --color-gray-300: #4a4a4a;
    --color-gray-400: #b0b0b0;
    --color-gray-500: #d0d0d0;
    --color-gray-600: #e5e5e7;
    --color-gray-700: #f5f5f7;
    --color-gray-900: #ffffff;

    --color-bg: #000000;
    --color-text: #ffffff;
    --color-text-secondary: #e5e5e7;
    --color-border: #424245;
    --color-accent: #0a84ff;
    --color-accent-hover: #2da1ff;
    --color-bg-secondary: #1d1d1f;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: var(--font-size-base);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
}

h3 {
  font-weight: 600;
}

p {
  line-height: 1.7;
}

/* ===== BANNER VENTA ===== */
.banner-sale {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-sm) 0;
  text-align: center;
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.banner-sale p {
  margin: 0;
}

.banner-sale a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.banner-sale a:hover {
  text-decoration: underline;
}

/* ===== NAVBAR ===== */
.navbar {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 44px;
  z-index: 99;
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  transition: transform 0.2s ease;
}

.navbar-logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  display: flex;
  gap: 2px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 16px;
}

.logo-vendo {
  color: #EF4E26;
}

.logo-rest {
  color: #243144;
}

.navbar-links {
  display: flex;
  gap: var(--spacing-xl);
  flex: 1;
  justify-content: center;
}

.navbar-links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: color 0.2s;
}

.navbar-links a:hover {
  color: var(--color-accent);
}

.navbar-links.mobile-open {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  flex-direction: column;
  padding: var(--spacing-md);
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.cart-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: var(--spacing-xs);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.cart-toggle:hover {
  color: var(--color-accent);
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--color-danger);
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  display: none;
}

.cart-count.active {
  display: flex;
}

.navbar-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: var(--spacing-xs);
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  justify-content: center;
  align-items: center;
  transition: all 0.3s;
}

.navbar-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  border-radius: 1px;
  transition: all 0.3s ease;
}

.navbar-menu-toggle:hover {
  color: var(--color-accent);
}

.navbar-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(10px);
}

.navbar-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-10px);
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 44px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 768px) {
  .navbar-links {
    display: none;
  }

  .navbar-menu-toggle {
    display: flex;
  }

  .mobile-menu-overlay {
    display: block;
  }

  .navbar-container {
    padding: var(--spacing-sm);
    gap: var(--spacing-md);
  }
}

/* ===== HERO ===== */
.hero {
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  background: linear-gradient(135deg, #0071e3 0%, #0052a3 50%, #003d7a 100%);
  color: white;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 20px;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

.hero h1 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -1.5px;
  color: white;
}

.hero p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .banner-sale {
    padding: 6px 0;
    font-size: 12px;
  }

  .hero {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }
}

/* ===== BOTONES ===== */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-family);
}

.btn:focus-visible {
  outline: 2px solid #0071e3;
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: white;
  box-shadow: var(--shadow-xl);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-accent-hover);
  box-shadow: 0 12px 32px rgba(0, 113, 227, 0.4);
  transform: translateY(-2px) scale(1.02);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.98);
  box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: white;
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.btn-secondary:active {
  transform: scale(0.98);
}

.btn-block {
  width: 100%;
}

.btn-large {
  padding: 16px 32px;
  font-size: var(--font-size-lg);
}

.btn-small {
  padding: 8px 16px;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
}

/* ===== SECCIONES ===== */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.products-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-bg);
}

.products-section h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

/* ===== FILTROS ===== */
.filters {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.filter-btn {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: all 0.2s;
  color: var(--color-text);
  font-family: var(--font-family);
}

.filter-btn:hover {
  background-color: var(--color-border);
}

.filter-btn.active {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* ===== GRID DE PRODUCTOS ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.product-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: 0 12px 40px rgba(0, 113, 227, 0.15);
  border-color: var(--color-blue-600);
  transform: translateY(-8px);
}

.product-image {
  width: 100%;
  height: 400px;
  background: #f5f5f7;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.product-image img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.product-image-fallback {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  width: 90%;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  font-weight: 500;
}

.product-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.product-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.product-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.option-group label {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.option-group select,
.option-group input {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
}

.product-price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.product-price-original {
  text-decoration: line-through;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin-left: var(--spacing-sm);
}

.product-price-wrapper {
  margin-bottom: var(--spacing-md);
}

.price-note {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  font-weight: 400;
  margin-top: var(--spacing-xs);
  transition: all 0.2s ease;
}

.add-to-cart {
  width: 100%;
}

/* ===== WHY US ===== */
.why-us {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-bg-secondary);
}

.why-us h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.feature {
  background-color: var(--color-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all 0.3s;
}

.feature:hover {
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: all 0.3s ease;
}

.feature-icon i {
  display: block;
}

.feature:hover .feature-icon {
  transform: scale(1.1);
  color: var(--color-accent-hover);
}

.feature h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.feature p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ===== DOMAIN SALE ===== */
.domain-sale {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-bg);
}

.domain-content {
  max-width: 700px;
  margin: 0 auto;
}

.domain-sale h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.domain-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
}

.domain-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.domain-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-base);
}

.checkmark {
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.domain-contact {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-md);
}

/* ===== CARRITO DRAWER ===== */
.cart-drawer {
  position: fixed;
  right: -400px;
  top: 0;
  width: 400px;
  height: 100vh;
  background-color: var(--color-bg);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: right 0.3s;
  box-shadow: var(--shadow-lg);
}

.cart-drawer.open {
  right: 0;
}

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.cart-header h3 {
  font-size: var(--font-size-lg);
}

.cart-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text);
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.empty-cart {
  text-align: center;
  color: var(--color-text-secondary);
  padding: var(--spacing-xl);
}

.cart-item {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  border: 1px solid var(--color-border);
}

.cart-item-info {
  flex: 1;
}

.cart-item-name {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.cart-item-details {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--color-danger);
  cursor: pointer;
  font-weight: 500;
  padding: 0;
  font-size: var(--font-size-sm);
}

.cart-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.total-price {
  color: var(--color-accent);
}

.checkout-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: var(--spacing-sm);
}

.trust-signals {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--spacing-md) 0;
  margin-bottom: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.trust-signals span {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.cart-overlay.active {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 640px) {
  .cart-drawer {
    width: 100%;
    right: -100%;
  }
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.footer-section p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: var(--color-accent);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.footer-section a:hover {
  text-decoration: underline;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  transition: transform 0.2s ease;
  margin-bottom: var(--spacing-md);
}

.footer-logo:hover {
  transform: scale(1.05);
}

.legal {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.footer-credit {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-md);
}

.footer-credit a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-credit a:hover {
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root {
    --font-size-3xl: 36px;
    --font-size-2xl: 24px;
    --spacing-2xl: 32px;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}