/* ========================================
   CARPETAS LED - Main Stylesheet
   Modern, minimalist design for LED display frames
   ======================================== */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
  /* Colors */
  --color-primary: #0066FF;
  --color-primary-dark: #0052CC;
  --color-primary-light: #3385FF;
  --color-secondary: #1a1a2e;
  --color-background: #FFFFFF;
  --color-background-alt: #F8F9FA;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  --color-border: #E0E0E0;
  --color-success: #28A745;
  --color-error: #DC3545;
  --color-warning: #FFC107;

  /* Typography */
  --font-primary: 'Inter', -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 */

  /* Spacing */
  --spacing-xs: 0.5rem;
  /* 8px */
  --spacing-sm: 1rem;
  /* 16px */
  --spacing-md: 1.5rem;
  /* 24px */
  --spacing-lg: 2rem;
  /* 32px */
  --spacing-xl: 3rem;
  /* 48px */
  --spacing-2xl: 4rem;
  /* 64px */
  --spacing-3xl: 6rem;
  /* 96px */

  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 1.5rem;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

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

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

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

/* ========================================
   Typography
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary);
}

h1 {
  font-size: var(--font-size-5xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-sm);
}

.text-light {
  color: var(--color-text-light);
}

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

/* ========================================
   Layout Components
   ======================================== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.section-alt {
  background-color: var(--color-background-alt);
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
  background-color: var(--color-background);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

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

.nav-logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-logo span {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-secondary);
  margin: 5px 0;
  transition: all var(--transition-base);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  font-family: var(--font-primary);
}

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

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

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-white {
  background-color: white;
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

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

.btn-white:active {
  transform: translateY(0);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #2d2d44 100%);
  color: white;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.2;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1 {
  color: white;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease-out;
}

.hero h2 {
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero ul {
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-cta {
  animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

/* ========================================
   Benefits Grid
   ======================================== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.benefit-card {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-5px);
}

.benefit-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
}

.benefit-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.benefit-card p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ========================================
   Product Cards
   ======================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

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

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  background-color: var(--color-background-alt);
}

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

.product-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

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

.product-specs {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.product-specs li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  display: flex;
  justify-content: space-between;
}

.product-specs li:last-child {
  border-bottom: none;
}

.spec-label {
  font-weight: 600;
  color: var(--color-text);
}

.spec-value {
  color: var(--color-text-light);
}

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text);
}

.form-label.required::after {
  content: ' *';
  color: var(--color-error);
}

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

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.form-checkbox input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.form-success {
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.blog-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
}

.blog-content th,
.blog-content td {
  padding: var(--spacing-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.blog-content th {
  background-color: var(--color-background-alt);
  font-weight: 600;
}

/* ========================================
   Tablas Comparativas (Estilo Corporativo)
   ======================================== */

/* Contenedor con scroll horizontal para móviles */
.table-wrapper {
  overflow-x: auto;
  margin: var(--spacing-xl) 0;
}

/* Tabla base con estilo corporativo */
.table-corporate {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-width: 600px;
}

/* Cabecera de tabla con azul corporativo */
.table-corporate thead tr {
  background: #E6F2FF;
  border-bottom: 2px solid #99CCFF;
}

.table-corporate th {
  padding: 1rem;
  font-weight: 700;
  color: #0052CC;
  border-right: 1px solid #e5e7eb;
}

.table-corporate th:last-child {
  border-right: none;
}

/* Alineación de cabeceras */
.table-corporate th.text-left {
  text-align: left;
}

.table-corporate th.text-center {
  text-align: center;
}

/* Primera columna (encabezados de fila) */
.table-corporate tbody th {
  padding: 1rem;
  font-weight: 600;
  color: var(--color-text);
  border-right: 1px solid #e5e7eb;
  text-align: left;
  background: white;
}

/* Celdas de datos */
.table-corporate td {
  padding: 1rem;
  text-align: center;
  color: var(--color-text);
  border-right: 1px solid #e5e7eb;
}

.table-corporate td:last-child,
.table-corporate th:last-child {
  border-right: none;
}

/* Filas alternadas para mejor legibilidad */
.table-corporate tbody tr {
  border-bottom: 1px solid #e5e7eb;
}

.table-corporate tbody tr:nth-child(even) {
  background: #f9fafb;
}

.table-corporate tbody tr:last-child {
  border-bottom: none;
}

/* Celdas destacadas (valores importantes) */
.table-corporate td.highlight {
  font-weight: 500;
}

/* Responsive: ajustar padding en móviles */
@media (max-width: 768px) {

  .table-corporate th,
  .table-corporate td {
    padding: 0.75rem;
    font-size: var(--font-size-sm);
  }
}

/* ========================================
   Cookie Banner
   ======================================== */
/* ========================================
   Footer
   ======================================== */
.footer {
  background-color: var(--color-secondary);
  color: white;
  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 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

/* ========================================
   Utilities
   ======================================== */
.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-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mt-5 {
  margin-top: var(--spacing-xl);
}

.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-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.text-primary {
  color: var(--color-primary);
}

.text-secondary {
  color: var(--color-secondary);
}

/* Visually hidden but accessible to screen readers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --spacing-3xl: 4rem;
  }

  .hero {
    min-height: 500px;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 3rem;
    --container-padding: 1rem;
  }

  .nav-menu {
    position: fixed;
    top: 60px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 60px);
    background-color: white;
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    transition: left var(--transition-base);
    box-shadow: var(--shadow-lg);
    align-items: flex-start;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: block;
  }

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

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

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero {
    min-height: 400px;
  }

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

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

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .btn-large {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
  }
}

/* ========================================
   Legal Pages Styling
   ======================================== */
.legal-container {
  max-width: 900px;
  margin: 0 auto;
}

.legal-content {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  line-height: 1.8;
}

.legal-content h1 {
  font-size: var(--font-size-4xl);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.legal-content .legal-date {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xl);
  display: block;
  font-style: italic;
}

.legal-content h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-secondary);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-primary);
}

.legal-content h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.legal-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  text-align: justify;
}

.legal-content ul,
.legal-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.legal-content li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  line-height: 1.7;
}

.legal-content li strong {
  color: var(--color-secondary);
  font-weight: 600;
}

.legal-content a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.legal-content strong {
  font-weight: 600;
  color: var(--color-secondary);
}

.legal-highlight {
  background: var(--color-background-alt);
  padding: var(--spacing-md);
  border-left: 4px solid var(--color-primary);
  margin: var(--spacing-lg) 0;
  border-radius: var(--border-radius);
}

/* Responsive adjustments for legal pages */
@media (max-width: 768px) {
  .legal-content {
    padding: var(--spacing-lg);
  }

  .legal-content h1 {
    font-size: var(--font-size-3xl);
  }

  .legal-content h2 {
    font-size: var(--font-size-xl);
  }

  .legal-content h3 {
    font-size: var(--font-size-lg);
  }

  .legal-content p {
    text-align: left;
  }
}

/* ========================================
   Blog Content Typography Styling
   ======================================== */

/* Blog post content container - only typography improvements */
.blog-content h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-secondary);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  padding-bottom: var(--spacing-sm);
  border-bottom: 3px solid var(--color-primary);
}

.blog-content h2:first-child {
  margin-top: 0;
}

.blog-content h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  position: relative;
  padding-left: var(--spacing-md);
}

.blog-content h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: var(--color-primary);
  border-radius: 2px;
}

.blog-content p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  line-height: 1.8;
}

.blog-content ul,
.blog-content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.blog-content ul li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  line-height: 1.7;
}

.blog-content ul li::marker {
  color: var(--color-primary);
  font-weight: 700;
}

.blog-content ol {
  counter-reset: item;
  list-style: none;
  padding-left: 0;
}

.blog-content ol li {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-2xl);
  position: relative;
  counter-increment: item;
}

.blog-content ol li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 0;
  background: var(--color-primary);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.blog-content strong {
  color: var(--color-secondary);
  font-weight: 600;
}

.blog-content a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.blog-content a:hover {
  border-bottom-color: var(--color-primary);
}

/* Responsive typography adjustments */
@media (max-width: 768px) {
  .blog-content h2 {
    font-size: var(--font-size-2xl);
  }

  .blog-content h3 {
    font-size: var(--font-size-xl);
  }
}