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

a{
 text-decoration:none; 
}
*, :after, :before {
    border: 0 solid #e5e7eb;
    box-sizing: border-box;
}
:root {
  /* Colores principales */
  --primary-color: #3276f3;
  --primary-dark: linear-gradient(135deg,#3A90DA 0%,#38d2f9 100%);
  /*--secondary-color: #1e40af;*/
  --secondary-color:#38B6FF;
  --accent-color: #3A90DA ;
  --ceer:#020995;
  --cedhys: #2850bd; 
  --ceeir: #489bdc;
  --oper: #780000;
  --opal: #004e98;
  --ciren: #014b3e; 


  /* Colores neutros */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Tipografía */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 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;

  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Sombras */
  --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);

  /* Bordes */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;

  /* Transiciones */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal:  box-shadow 0.3s ease, border-color 0.3s ease;
  --transition-slow: 0.5s ease-in-out;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-2xl);
}


/* Header */
.header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition-normal);
  border-bottom: 1px solid hsla(0, 0%, 80%, .4);
}

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

.logo-img {
  height: 40px;
  width: auto;
}

/* Desktop Navigation */
.nav-desktop {
  display: none;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
}

.nav-link {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition-fast);
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.hamburger {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  transition: var(--transition-fast);
}

.mobile-menu-btn.active .hamburger:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.nav-mobile {
  display: none;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: var(--spacing-md) 0;
}

.nav-mobile.active {
  display: block;
}

.nav-mobile-list {
  list-style: none;
}

.nav-mobile-link {
  display: block;
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--gray-100);
  transition: var(--transition-fast);
}

.nav-mobile-link:hover {
  color: var(--primary-color);
  background: var(--gray-50);
  padding-left: var(--spacing-md);
}

/* Main Content */
main {
  margin-top: 80px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

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

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
  line-height: 1.6;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  text-align: center;
  min-width: 200px;
  justify-content: center;
}

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

.btn-primary:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-contact {
  background: var(--primary-color);
  color: var(--white);
  font-size: large;
}

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


/* Sections */
section:not(.hero-slider) {
  padding: var(--spacing-3xl) 0;
}


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

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

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


/*SLIDER */

/* HERO SLIDER */
.hero-slider {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 35vh; 
  min-height: 500px;
  margin: 0;
  background: none;
}

/* eliminamos el padding de los contenedores internos */
.hero-slider .container {
  padding: 0;
  margin: 0;
  max-width: 100%;
}

.slider-container {
  position: relative;
  width: 100%;
  height: 100%;
}

/* Slides */
.slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

/* Fondos por data-center */
.slide[data-center="ceer"]  { background-color: var(--ceer); }
.slide[data-center="cedhys"]{ background-color: var(--cedhys); }
.slide[data-center="oper"]  { background: linear-gradient(135deg, var(--oper, #60a5fa) 0%, #60a5fa 100%); }
.slide[data-center="ceeir"] { background-color: var(--ceeir); }
.slide[data-center="opal"]  { background-color: var(--opal); }
.slide[data-center="ciren"] {background-color: var(--ciren);}


/* Contenido de cada slide */
.slide-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;       /* centra verticalmente */
  justify-content: flex-start; /* alinea a la izquierda */
  padding-left: 8%;          /* margen interno a la izquierda */
  box-sizing: border-box;
}

.slide-text {
  max-width: 700px;
  text-align: left;
  position: relative;
  z-index: 2;
}

.slide-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  line-height: 1.2;
  color: white;
}

.slide-text p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.slide-text .btn {
  margin-right: 1rem;
}

/* Controles (botones flecha) */
.slider-controls {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 5; /* encima de todo */
  pointer-events: none;
}

.prev-btn,
.next-btn {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.2s;
  pointer-events: auto;
}

.prev-btn:hover,
.next-btn:hover {
  background: rgba(255, 255, 255, 0.4);
}

/* Dots */
.slider-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 6; /* sobre todo lo demás */
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s;
}

.dot:hover {
  transform: scale(1.2);
}

.dot.active {
  background: white;
}

/* Si las slides usan imagen */
.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


/* Observatorios Section */
.observatorios {
  background: var(--gray-50);
}

.observatorios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.observatorio-card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  padding: 0;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
  overflow: hidden;
  position: relative;
}

.observatorio-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

/* Contenedor de imagen */
.card-image {
  padding: 0;
  margin: 0;
  border-bottom: 1px solid var(--gray-200);
  overflow: hidden;
}

/* Imagen */
.observatorio-logo {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  border-radius: 0;
  margin: 0;
  transition: transform 0.5s ease; /* transición suave para el zoom */
}

/* Efecto de zoom cuando se pasa por la tarjeta */
.observatorio-card:hover .observatorio-logo {
  transform: scale(1.25); /* leve zoom */
}

/* Se mantiene, aunque su uso en 768px+ debe ser revisado */
.observatorio-center {
  grid-column: 1;
  margin: 0 auto;
  max-width: 400px;
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  /* Restaura margen y padding lateral */
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-xl);
  padding-right: var(--spacing-xl);
}

.card-description {
  color: var(--gray-900);
  line-height: 1.6;
  /* Restaura padding lateral y margen inferior */
  padding-left: var(--spacing-xl);
  padding-right: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.card-social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 50%;
  text-decoration: none;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: scale(1.1);
}

.linkedin {
  background-color: var(--accent-color);
  color: #fff;
  font-weight: 100;
}

/* Informes Section */
.informes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.informes{
  background-color: var(--gray-50);
}

.informe-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

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

.informe-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.informe-date {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

.informe-category {
  background: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.informe-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

.informe-excerpt {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.informe-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: var(--transition-fast);
}

.informe-link:hover {
  color: var(--primary-dark);
}

/* Quienes Somos Section */
.quienes-somos {
  background: var(--white);
}

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

.section-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--gray-50);
  border-radius: var(--border-radius-lg);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  color: var(--gray-600);
  font-weight: 500;
}

.about-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0 auto;
  display: block;
}

/* Novedades Section */
.novedades {
  background: var(--white);
}

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

.novedad-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden; /* asegura que la imagen respete los bordes redondeados */
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.novedad-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Imagen superior */
.novedad-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.novedad-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.novedad-card:hover .novedad-image img {
  transform: scale(1.05);
}

/* Contenido de la card */
.novedad-content {
  padding: var(--spacing-xl);
}

.novedad-date {
  color: var(--primary-color);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.novedad-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.novedad-excerpt {
  color: var(--gray-600);
  line-height: 1.6;
}

/* Enlace */
.novedad-card a {
  text-decoration: none;
  color: inherit;
  display: block;
}


/* Contacto Section */
.contacto {
  background: var(--gray-50);
}

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

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

.info-item i {
  color: var(--primary-color);
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-xs);
}

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

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

.contacto-form {
  text-align: center;
  padding: 1.5rem;
  background: var(--gray-200);
  border-radius: var(--border-radius-xl);
}

.form-note {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);

  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-logo-img {
  height: 40px;
  width: auto;
  margin-bottom: var(--spacing-md);
}

.footer-description {
  color: var(--gray-400);
  line-height: 1.6;
  max-width: 300px;
}

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

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

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

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social .social-link {
  background: var(--gray-800);
  color: var(--gray-400);
}

.footer-social .social-link:hover {
  background: var(--primary-color);
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--gray-800);
  color: var(--gray-400);
}

/* Responsive Design */

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

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }

  /* Adaptación a Tablet: 3 Columnas (768px a 1023px) */
  .observatorios-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: none;
  }
  
  .observatorio-center {
    grid-column: 1 / -1;
    max-width: 400px;
  }

  .informes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-content {
    grid-template-columns: 2fr 1fr;
  }

  .novedades-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-2xl);
  }

  .nav-desktop {
    display: block;
  }

  .mobile-menu-btn {
    display: none;
  }

  .hero-title {
    font-size: var(--font-size-5xl);
  }

  /* Adaptación a Desktop: 3 Columnas */
  .observatorios-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1000px; /* Se ajusta para que quepan 6 tarjetas */
  }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-lg);
}

  .informes-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .novedades-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Large Desktop */
@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
  }
}

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

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Focus styles */
.btn:focus,
.nav-link:focus,
.social-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .hero-buttons,
  .card-social,
  .footer-social {
    display: none;
  }

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

  .section-title {
    font-size: 18pt;
  }
}