/* Grupo Centex - Professional Website Styles */

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

:root {
  /* Color Palette */
  --color-primary: #1e3a5f;
  --color-primary-light: #2d5aa0;
  --color-primary-dark: #142738;
  --color-accent: #f39c12;
  --color-accent-dark: #e67e22;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-base: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-gray-800);
}
h1, h2, h3 {
  letter-spacing: 0.5px;
}

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

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}

/* Top Contact Bar */
.top-bar {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.contact-item .icon {
  font-size: var(--font-size-sm);
}

/* Main Navigation */
.main-nav {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.tagline {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  display: none;
}

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

.nav-menu a {
  text-decoration: none;
  color: var(--color-gray-700);
  font-weight: 500;
  transition: color var(--transition-base);
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transition: transform 0.3s ease;
}

.nav-menu a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.btn-contact {
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-base);
}

.btn-contact:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  cursor: pointer;
}

.hero {
  position: relative;
  color: var(--color-white);
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url("mapa.png") center/cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55); /* overlay oscuro */
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}


.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: var(--font-size-base);
  min-width: 160px;
}

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

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

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

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

.btn-full {
  width: 100%;
}

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

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-md);
}

.card-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-primary);
}

.icon-lg {
  font-size: var(--font-size-3xl);
}

/* Mission & Vision Grid */
.mission-vision-grid {
  display: grid;
  gap: var(--spacing-2xl);
  max-width: 1000px;
  margin: 0 auto;
}

/* Divisions Grid */
.divisions-grid {
  display: grid;
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.division-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.division-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.division-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
  display: block;
}

.division-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

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

/* Resources Section */
.resources-content {
  display: grid;
  gap: var(--spacing-3xl);
  align-items: center;
}

.resources-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.resource-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  background: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.resource-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
}

.resource-icon {
  font-size: var(--font-size-3xl);
  background: var(--color-accent);
  color: var(--color-white);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.resource-item h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.resource-item p {
  color: var(--color-gray-600);
}

.resources-image {
  display: flex;
  justify-content: center;
}

.image-placeholder {
  width: 100%;
  max-width: 400px;
  height: 300px;
  background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
}

/* Locations Grid */
.locations-grid {
  display: grid;
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.location-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.location-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.flag {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

.location-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.location-card p {
  color: var(--color-gray-600);
  font-weight: 500;
}

/* Contact Section */
.contact-content {
  display: grid;
  gap: var(--spacing-3xl);
  max-width: 1200px;
  margin: 0 auto;
}

.contact-form-section {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.contact-form-section h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

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

.form-group label {
  font-weight: 500;
  color: var(--color-gray-700);
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base);
}

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

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

.contact-info-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.contact-info-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.contact-info-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

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

.info-item:last-child {
  margin-bottom: 0;
}

.info-icon {
  font-size: var(--font-size-lg);
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.info-item p {
  margin-bottom: var(--spacing-xs);
}

.info-item strong {
  color: var(--color-gray-800);
}

/* Footer */
.footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

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

.footer-section p {
  opacity: 0.9;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.footer-tagline {
  font-size: var(--font-size-sm);
  opacity: 0.7;
}

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

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

.footer-section ul li a {
  color: var(--color-white);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

.footer-section ul li a:hover {
  opacity: 1;
  color: var(--color-accent);
}

.footer-contact p {
  margin-bottom: var(--spacing-sm);
  opacity: 0.9;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-xl);
  text-align: center;
}

.footer-bottom p {
  opacity: 0.7;
}

/* Responsive Design */

/* Tablet */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
  
  .tagline {
    display: block;
  }
  
  .nav-menu {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: none;
  }
  
  .contact-info {
    justify-content: space-between;
  }
  
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
  
  .mission-vision-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .divisions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .resources-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .locations-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .divisions-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .locations-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

/* Large Desktop */
@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

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

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

/* Focus States for Accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --color-gray-600: var(--color-gray-800);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}
.resource-photo {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: block;
}

/* Brands Section */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-xl);
  align-items: center;
  justify-items: center;
  margin-top: var(--spacing-2xl);
}

.brand-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.brand-item:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-md);
}

.brand-item img {
  max-width: 100px;
  max-height: 60px;
  object-fit: contain;
}

.contact-icon {
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.contact-form-section {
  text-align: center;
}

.contact-form-section p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-gray-700);
}

.contact-form-section .extra-info {
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

/* Mobile Menu */
.nav-menu.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 64px; /* altura del navbar */
  left: 0;
  width: 100%;
  background: var(--color-white);
  padding: var(--spacing-lg) 0;
  box-shadow: var(--shadow-md);
  gap: var(--spacing-lg);
  text-align: center;
  z-index: 99;
}

.nav-menu.active a {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
}

/* Botón de contacto en menú móvil */
@media (max-width: 1016px) {
  .nav-menu.active .btn-contact {
    display: block;
    width: 80%;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
  }
}

/* --- 1) Mantener HAMBURGER hasta 1100px --- */
@media (min-width: 768px) and (max-width: 1099px) {
  .nav-menu { display: none; }        /* oculta menú horizontal */
  .mobile-menu-btn { display: block; }/* muestra el botón hamburguesa */
}

/* --- 2) Estilos del menú desplegable móvil/tablet --- */
.nav-menu.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 64px;              /* altura del navbar */
  left: 0;
  width: 100%;
  background: var(--color-white);
  padding: var(--spacing-lg) 0;
  box-shadow: var(--shadow-md);
  gap: var(--spacing-lg);
  text-align: center;
  z-index: 99;
}

.nav-menu.active a {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
}

/* --- 3) Botón naranja (.btn-contact) bonito y ancho en el menú desplegable --- */
@media (max-width: 1099px) {
  .nav-menu.active .btn-contact {
    display: block;
    width: 86%;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-sm);
  }
}