/* ===============================================
   GYMARK.co - TIENDA FITNESS & RENDIMIENTO
   =============================================== */

/* Variables CSS */
:root {
  /* Colores principales - Tema fitness bold/negro */
  --primary-color: #070709; /* Negro marca GYMARK */
  --primary-dark: #000000; /* Negro puro */
  --secondary-color: #2c2c2e; /* Gris carbón oscuro */
  --accent-color: #636366; /* Gris medio */
  --success-color: #15803d; /* Verde éxito - WCAG AA compliant */
  --warning-color: #f59e0b; /* Naranja advertencia */
  --error-color: #b91c1c; /* Rojo error - WCAG AA compliant */

  /* Colores neutros */
  --white: #fefefe;
  --gray-50: #f5f5f5;
  --gray-100: #ebebeb;
  --gray-200: #d5d5d5;
  --gray-300: #b8b8b8;
  --gray-400: #8e8e93;
  --gray-500: #636366;
  --gray-600: #48484a;
  --gray-700: #3a3a3c;
  --gray-800: #2c2c2e;
  --gray-900: #070709;

  /* Colores de fondo */
  --bg-primary: #fefefe; /* Blanco principal GYMARK */
  --bg-secondary: #f2f2f2; /* Gris muy claro */

  /* Tipografía */
  --font-family:
    "Barlow", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */
  --font-size-5xl: 3rem; /* 48px */

  /* Espaciado */
  --spacing-xs: 0.5rem; /* 8px */
  --spacing-sm: 0.75rem; /* 12px */
  --spacing-base: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-2xl: 3rem; /* 48px */
  --spacing-3xl: 4rem; /* 64px */

  /* Bordes y sombras */
  --border-radius: 0.5rem; /* 8px */
  --border-radius-lg: 0.75rem; /* 12px */
  --border-radius-xl: 1rem; /* 16px */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:
    0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transiciones */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* Reset y base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  letter-spacing: 0.015em;
  color: var(--primary-color);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Contenedor principal */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-base);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

/* ===============================================
   HEADER Y NAVEGACIÓN
   =============================================== */

.main-header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition-base);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-base) 0;
}

/* Logo */
.logo h1 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: 0;
}

.logo h1 a {
  text-decoration: none;
  color: var(--primary-color);
  transition: var(--transition-fast);
}

.logo h1 a:hover {
  color: var(--primary-dark);
}

.logo .tagline {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  margin-top: 0.25rem;
  font-weight: 400;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-base);
}

/* button loader utility (black buttons) */
.btn-primary {
  position: relative;
  overflow: hidden;
  gap: 0.35rem;
}
.btn-primary .btn-spinner {
  display: none;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 1rem;
  height: 1rem;
  border: 2px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  animation: btn-spin 1s linear infinite;
  pointer-events: none;
}
.btn-primary.loading .btn-spinner {
  display: block;
}
.btn-primary.loading {
  color: transparent !important;
}

.btn-primary.loading > *:not(.btn-spinner) {
  visibility: hidden;
}

@keyframes btn-spin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.cart-btn {
  background: var(--primary-color);
  color: var(--white);
  border: none;
  padding: var(--spacing-sm) var(--spacing-base);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
  font-weight: 500;
}

.cart-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.cart-count {
  background: var(--secondary-color);
  color: var(--white);
  border-radius: 50%;
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-left: 0.5rem;
}

/* Menú móvil toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--gray-700);
  margin: 3px 0;
  transition: var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Navegación principal */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-base);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background-color: var(--bg-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background-color: var(--primary-color);
  border-radius: 1px;
}

/* ===============================================
   CONTENIDO PRINCIPAL
   =============================================== */

.main-content {
  margin-top: 80px;
}

/* Sección Hero */
.hero {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--white) 100%);
  padding: var(--spacing-3xl) 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (min-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-content h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .hero-content h2 {
    font-size: var(--font-size-5xl);
  }
}

.hero-content p {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
}

.hero-features {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.feature-icon {
  font-size: var(--font-size-lg);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-base);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.placeholder-image {
  width: 200px;
  height: 200px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--white);
  box-shadow: var(--shadow-xl);
}

.hero-img {
  width: 300px;
  height: 300px;
  font-size: 4rem;
}

@media (min-width: 768px) {
  .placeholder-image {
    width: 250px;
    height: 250px;
  }

  .hero-img {
    width: 350px;
    height: 350px;
  }
}

/* ===============================================
   BOTONES
   =============================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  min-width: 120px;
  text-align: center;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* logout button should be dark background */
.btn-logout {
  background-color: var(--primary-dark);
  color: var(--white);
  border-color: var(--primary-dark);
}
.btn-logout:hover,
button[onclick="window.logout()"]:hover,
a[onclick="window.logout()"]:hover {
  background-color: var(--primary-dark);
  opacity: 0.85;
}

.btn-outline {
  background-color: transparent;
  color: var(--gray-700);
  border-color: var(--gray-300);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-base);
  min-width: auto;
}

.btn-outline:hover {
  background-color: var(--gray-100);
  border-color: var(--gray-400);
  transform: translateY(-1px);
}

/* ===============================================
   SECCIONES GENERALES
   =============================================== */

section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-base);
}

@media (min-width: 768px) {
  .section-header h2 {
    font-size: var(--font-size-4xl);
  }
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ===============================================
   PRODUCTOS DESTACADOS
   =============================================== */

.featured-products {
  background-color: var(--bg-secondary);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-base);
  transition: var(--transition-base);
  position: relative;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

/* ensure any absolute controls inside product cards float above the image */
.product-card .absolute {
  z-index: 9999;
}

.product-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.product-image .placeholder-image {
  width: 100%;
  height: 100%;
  border-radius: 0;
  font-size: 2.5rem;
}

.product-main-media {
  position: relative;
  aspect-ratio: 1 / 1;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.product-main-media-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center;
}

@media (max-width: 639px) {
  .product-main-media {
    aspect-ratio: 4 / 5;
    min-height: 320px;
    max-height: 420px;
    padding: 0.75rem;
  }

  .product-main-media-image {
    max-width: 100%;
    max-height: 100%;
  }

  .product-details-page {
    overflow-x: hidden;
  }

  .product-details-layout,
  .product-info-stack,
  .product-page-footer .max-w-7xl,
  .product-details-page #main-content .max-w-7xl {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .product-details-layout {
    gap: 1.5rem;
  }

  .product-meta-row,
  .product-price-row,
  .product-stock-row,
  .product-share-row,
  #viewer-counter,
  #trust-badges {
    flex-wrap: wrap;
    row-gap: 0.75rem;
  }

  .product-share-row > div {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  #product-name,
  #product-description,
  #product-stock,
  #product-envio-info,
  .product-page-footer a,
  .product-page-footer span,
  .product-page-footer p,
  .product-page-footer li {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .product-page-footer .footer-links-grid {
    grid-template-columns: 1fr;
  }
}

.product-badge {
  position: absolute;
  top: var(--spacing-base);
  left: var(--spacing-base);
  background: var(--secondary-color);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  z-index: 10;
}

.product-content {
  padding: var(--spacing-lg);
}

.product-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.04em;
}

/* Títulos de tarjetas generadas dinámicamente */
.product-card h3 {
  font-size: 1rem;
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.home-carousel-viewport {
  min-height: 399px;
}

.carousel-slide {
  height: 380px;
}

@media (max-width: 639px) {
  .home-carousel-viewport {
    min-height: 0;
  }

  .carousel-slide {
    height: auto;
  }
}

.product-content p {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-base);
  line-height: 1.5;
}

.product-price {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.current-price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
}

.original-price {
  font-size: var(--font-size-base);
  color: var(--gray-400);
  text-decoration: line-through;
}

/* ===============================================
   SUPLEMENTOS
   =============================================== */

.supplements-showcase {
  display: grid;
  gap: var(--spacing-2xl);
}

.supplement-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  background: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-base);
}

@media (min-width: 768px) {
  .supplement-feature {
    grid-template-columns: 1fr 2fr;
  }
}

.supplement-image .placeholder-image {
  width: 250px;
  height: 250px;
  margin: 0 auto;
}

.supplement-category {
  color: var(--primary-color);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--spacing-sm);
}

.supplement-content h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-base);
}

.supplement-content p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.supplement-benefits {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.supplement-benefits li {
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.supplement-price {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.supplement-price .current-price {
  font-size: var(--font-size-2xl);
}

.price-unit {
  color: var(--gray-500);
  font-size: var(--font-size-base);
}

.supplements-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-base);
  margin-top: var(--spacing-xl);
}

@media (min-width: 768px) {
  .supplements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .supplements-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.supplement-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: var(--spacing-base);
  transition: var(--transition-fast);
  display: flex;
  gap: var(--spacing-base);
  align-items: center;
}

.supplement-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-base);
}

.supplement-image-small .placeholder-image {
  width: 60px;
  height: 60px;
  font-size: 1.5rem;
  border-radius: var(--border-radius);
}

.supplement-info h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.supplement-info p {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.supplement-info .price {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

/* ===============================================
   EQUIPOS
   =============================================== */

.equipment {
  background-color: var(--bg-primary);
}

.equipment-categories {
  max-width: 800px;
  margin: 0 auto;
}

.category-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-base);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--white);
  color: var(--gray-700);
  border: 2px solid var(--gray-200);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: inherit;
  font-size: var(--font-size-base);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.equipment-grid {
  display: none;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.equipment-grid.active {
  display: grid;
}

@media (min-width: 768px) {
  .equipment-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.equipment-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-base);
  transition: var(--transition-base);
}

.equipment-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.equipment-image .placeholder-image {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-base);
  font-size: 2rem;
}

.equipment-card h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.equipment-card p {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-base);
}

.equipment-card .price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
}

/* ===============================================
   SOBRE NOSOTROS
   =============================================== */

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: 2fr 1fr;
  }
}

.about-text .lead {
  font-size: var(--font-size-lg);
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: var(--spacing-base);
}

.about-text p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.about-values {
  margin: var(--spacing-xl) 0;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-base);
  margin-bottom: var(--spacing-lg);
}

.value-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.value-item h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.value-item p {
  color: var(--gray-600);
  margin: 0;
}

.stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.about-image .placeholder-image {
  width: 300px;
  height: 300px;
  margin: 0 auto;
}

/* ===============================================
   BLOG
   =============================================== */

.blog {
  background-color: var(--bg-secondary);
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-post {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-base);
  transition: var(--transition-base);
}

.blog-post:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.post-image {
  height: 200px;
  overflow: hidden;
}

.post-image .placeholder-image {
  width: 100%;
  height: 100%;
  border-radius: 0;
  font-size: 2rem;
}

.post-content {
  padding: var(--spacing-lg);
}

.post-category {
  color: var(--primary-color);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--spacing-xs);
}

.post-date {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.post-content h3 {
  margin-bottom: var(--spacing-sm);
}

.post-content h3 a {
  color: var(--gray-900);
  text-decoration: none;
  font-size: var(--font-size-lg);
  font-weight: 600;
  transition: var(--transition-fast);
}

.post-content h3 a:hover {
  color: var(--primary-color);
}

.post-content p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-base);
  line-height: 1.6;
}

.read-more {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* ===============================================
   CONTACTO
   =============================================== */

.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info {
  display: grid;
  gap: var(--spacing-lg);
}

.contact-item h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.contact-item p {
  color: var(--gray-600);
  line-height: 1.6;
}

.contact-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-item a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Formulario de contacto */
.contact-form {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-base);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-base);
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  color: var(--gray-700);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-base);
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: var(--transition-fast);
  background-color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(5 150 105 / 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===============================================
   FOOTER
   =============================================== */

.main-footer {
  background-color: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-section h3 {
  color: var(--white);
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-base);
}

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

.footer-section p {
  line-height: 1.6;
  margin-bottom: var(--spacing-base);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
  color: var(--gray-300);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: var(--spacing-base);
  margin-top: var(--spacing-base);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--gray-800);
  border-radius: var(--border-radius);
  font-size: var(--font-size-lg);
  transition: var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--primary-color);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  color: var(--gray-400);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

/* ===============================================
   NOTIFICACIONES
   =============================================== */

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--success-color);
  color: var(--white);
  padding: var(--spacing-base) var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  font-weight: 500;
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */

@media (max-width: 767px) {
  /* Header móvil */
  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
  }

  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    padding: var(--spacing-base);
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: var(--spacing-base);
    border-bottom: 1px solid var(--gray-100);
  }

  .nav-link.active::after {
    display: none;
  }

  /* Hero móvil */
  .hero-content h2 {
    font-size: var(--font-size-3xl);
  }

  .hero-features {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  /* Productos móvil */
  .products-grid {
    grid-template-columns: 1fr;
  }

  /* Estadísticas móvil */
  .stats {
    justify-content: center;
    text-align: center;
  }

  /* Formulario móvil */
  .form-row {
    grid-template-columns: 1fr;
  }

  /* Tabs móvil */
  .category-tabs {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .tab-btn {
    flex: 1;
    min-width: 120px;
  }
}

/* ===============================================
   ANIMACIONES Y EFECTOS
   =============================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.pulse-on-hover:hover {
  animation: pulse 0.6s ease-in-out;
}

/* ===============================================
   UTILIDADES
   =============================================== */

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-0 {
  margin-bottom: 0;
}
.mb-1 {
  margin-bottom: var(--spacing-xs);
}
.mb-2 {
  margin-bottom: var(--spacing-sm);
}
.mb-3 {
  margin-bottom: var(--spacing-base);
}
.mb-4 {
  margin-bottom: var(--spacing-lg);
}
.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.mt-0 {
  margin-top: 0;
}
.mt-1 {
  margin-top: var(--spacing-xs);
}
.mt-2 {
  margin-top: var(--spacing-sm);
}
.mt-3 {
  margin-top: var(--spacing-base);
}
.mt-4 {
  margin-top: var(--spacing-lg);
}
.mt-5 {
  margin-top: var(--spacing-xl);
}

.font-weight-light {
  font-weight: 300;
}
.font-weight-normal {
  font-weight: 400;
}
.font-weight-medium {
  font-weight: 500;
}
.font-weight-semibold {
  font-weight: 600;
}
.font-weight-bold {
  font-weight: 700;
}

.text-primary {
  color: var(--primary-color);
}
.text-secondary {
  color: var(--secondary-color);
}
.text-success {
  color: var(--success-color);
}
.text-warning {
  color: var(--warning-color);
}
.text-error {
  color: var(--error-color);
}

/* ===============================================
   MODO OSCURO (Opcional)
   =============================================== */

@media (prefers-color-scheme: dark) {
  .dark-mode {
    --white: #070709;
    --gray-50: #0e0e10;
    --gray-100: #1c1c1e;
    --gray-900: #fefefe;
    --gray-800: #ebebeb;
    --gray-700: #d5d5d5;
    --bg-primary: #070709;
    --bg-secondary: #1c1c1e;
  }
}

/* ===============================================
   PRINT STYLES
   =============================================== */

@media print {
  .main-header,
  .menu-toggle,
  .cart-btn,
  .hero-actions,
  .btn,
  .contact-form,
  .main-footer {
    display: none;
  }

  .main-content {
    margin-top: 0;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    color: black;
    page-break-after: avoid;
  }

  .placeholder-image {
    background: #f0f0f0 !important;
    color: #666 !important;
  }
}