/**
 * Estilos del Portal de Capacitación ONESVIE
 * Basado en el Sistema de Diseño Dominicano (SDD)
 * Paleta oficial: #0F539C (primario), #9FD0FD (claro), #66A1DE (medio)
 */

/* ============================================
   RESET Y VARIABLES CSS
   ============================================ */

:root {
  --color-primario: #0F539C;
  --color-primario-oscuro: #0a3d73;
  --color-primario-claro: #9FD0FD;
  --color-primario-medio: #66A1DE;
  --color-blanco: #FFFFFF;
  --color-gris-oscuro: #333333;
  --color-gris-medio: #666666;
  --color-gris-claro: #F5F7FA;
  --color-gris-borde: #D9D9D9;
  --color-texto: #333333;
  --color-fondo: #FFFFFF;
  --color-acento: #0A84FF;
  --color-exito: #28A745;
  --color-alerta: #FFC107;
  --sombra-suave: 0 2px 8px rgba(0,0,0,0.08);
  --sombra-media: 0 4px 16px rgba(0,0,0,0.12);
  --sombra-fuerte: 0 8px 32px rgba(0,0,0,0.16);
  --radio-borde: 4px;
  --transicion: all 0.3s ease;
  --max-ancho: 1200px;
  --espaciado-seccion: 60px;
}

/* ============================================
   TIPOGRAFIA
   ============================================ */

body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--color-texto);
  line-height: 1.6;
  font-size: 16px;
  margin: 0;
  padding: 0;
  background-color: var(--color-fondo);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-top: 0;
  color: var(--color-primario);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primario);
  text-decoration: none;
  transition: var(--transicion);
}

a:hover, a:focus {
  color: var(--color-primario-oscuro);
  text-decoration: underline;
}

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

.contenedor {
  max-width: var(--max-ancho);
  margin: 0 auto;
  padding: 0 20px;
}

.seccion {
  padding: var(--espaciado-seccion) 0;
}

.seccion-alternada {
  background-color: var(--color-gris-claro);
}

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

/* ============================================
   BARRA SUPERIOR GUBERNAMENTAL
   ============================================ */

.barra-gobierno {
  background-color: var(--color-primario-oscuro);
  color: var(--color-blanco);
  font-size: 0.8rem;
  padding: 6px 0;
  text-align: center;
}

.barra-gobierno .contenedor {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.barra-gobierno a {
  color: var(--color-primario-claro);
  font-size: 0.8rem;
}

.barra-gobierno a:hover {
  color: var(--color-blanco);
  text-decoration: none;
}

.enlace-gobdo {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ============================================
   HEADER
   ============================================ */

.header {
  background-color: var(--color-blanco);
  box-shadow: var(--sombra-suave);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header .contenedor {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-area img {
  height: 56px;
  width: auto;
}

.logo-texto {
  display: flex;
  flex-direction: column;
}

.logo-texto .titulo-institucion {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primario);
  line-height: 1.2;
  margin: 0;
}

.logo-texto .subtitulo-institucion {
  font-size: 0.75rem;
  color: var(--color-gris-medio);
  margin: 0;
}

/* ============================================
   NAVEGACION
   ============================================ */

.nav-principal ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 24px;
}

.nav-principal a {
  color: var(--color-gris-oscuro);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: var(--transicion);
}

.nav-principal a:hover,
.nav-principal a.activo {
  color: var(--color-primario);
  border-bottom-color: var(--color-primario);
  text-decoration: none;
}

.btn-menu-movil {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primario);
  cursor: pointer;
  padding: 8px;
}

/* ============================================
   HERO / BANNER
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-primario-oscuro) 100%);
  color: var(--color-blanco);
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  color: var(--color-blanco);
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto 32px;
}

/* ============================================
   CARRUSEL DE BANNERS (Swiper.js)
   ============================================ */

.carrusel-banners {
  width: 100%;
  height: 500px;
  position: relative;
  overflow: hidden;
  margin-bottom: 90px;
}

.carrusel-banners .swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carrusel-banners .banner-slide-imagen {
  display: flex;
  align-items: center;
  justify-content: center;
}

.carrusel-banners .banner-slide-imagen .banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000000;
  opacity: 0.05;
  z-index: 1;
  pointer-events: none;
}

.banner-img-completa {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  position: relative;
  z-index: 0;
}

.carrusel-banners .banner-contenido {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  z-index: 2;
  text-align: center;
}

.carrusel-banners h1 {
  color: #FFFFFF;
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.carrusel-banners p {
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

/* Swiper pagination */
.carrusel-banners .swiper-pagination {
  bottom: 20px !important;
}

.carrusel-banners .swiper-pagination-bullet {
  background: #FFFFFF;
  opacity: 0.5;
  width: 12px;
  height: 12px;
  transition: var(--transicion);
}

.carrusel-banners .swiper-pagination-bullet-active {
  opacity: 1;
  background: #FFFFFF;
}

/* Swiper navigation buttons */
.carrusel-banners .swiper-button-prev,
.carrusel-banners .swiper-button-next {
  color: #FFFFFF;
  opacity: 0.7;
  transition: var(--transicion);
}

.carrusel-banners .swiper-button-prev:hover,
.carrusel-banners .swiper-button-next:hover {
  opacity: 1;
}

.carrusel-banners .swiper-button-prev::after,
.carrusel-banners .swiper-button-next::after {
  font-size: 20px !important;
  font-weight: 700;
}

/* Animación de entrada para contenido del banner */
.carrusel-banners .banner-contenido {
  opacity: 0;
  transform: translateY(20px);
}

.carrusel-banners .swiper-slide-active .banner-contenido {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Responsive carrusel */
@media (max-width: 768px) {
  .carrusel-banners {
    height: 400px;
  }

  .carrusel-banners h1 {
    font-size: 1.5rem;
    margin-bottom: 12px;
  }

  .carrusel-banners p {
    font-size: 0.95rem;
    margin-bottom: 24px;
  }

  .carrusel-banners .banner-contenido {
    padding: 0 16px;
  }

  .carrusel-banners .swiper-button-prev,
  .carrusel-banners .swiper-button-next {
    display: none;
  }
}

@media (max-width: 480px) {
  .carrusel-banners {
    height: 350px;
  }

  .carrusel-banners h1 {
    font-size: 1.3rem;
  }

  .carrusel-banners p {
    font-size: 0.85rem;
  }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radio-borde);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transicion);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primario {
  background-color: var(--color-blanco);
  color: var(--color-primario);
  border-color: var(--color-blanco);
}

.btn-primario:hover {
  background-color: transparent;
  color: var(--color-blanco);
  text-decoration: none;
}

.btn-secundario {
  background-color: var(--color-primario);
  color: var(--color-blanco);
  border-color: var(--color-primario);
}

.btn-secundario:hover {
  background-color: var(--color-primario-oscuro);
  border-color: var(--color-primario-oscuro);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primario);
  border-color: var(--color-primario);
}

.btn-outline:hover {
  background-color: var(--color-primario);
  color: var(--color-blanco);
  text-decoration: none;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.9rem;
}

/* ============================================
   TARJETAS DE ACCESO RAPIDO
   ============================================ */

.accesos-rapidos {
  margin-top: -40px;
  padding-bottom: 60px;
}

.grid-tarjetas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.tarjeta {
  background: var(--color-blanco);
  border-radius: var(--radio-borde);
  box-shadow: var(--sombra-media);
  padding: 32px 24px;
  transition: var(--transicion);
  border-top: 4px solid var(--color-primario);
}

.tarjeta:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-fuerte);
}

.tarjeta-icono {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: var(--color-primario);
}

.tarjeta h3 {
  margin-bottom: 12px;
}

.tarjeta p {
  color: var(--color-gris-medio);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

/* ============================================
   SECCION DESCRIPCION
   ============================================ */

.descripcion-institucional {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.descripcion-institucional h2 {
  margin-bottom: 20px;
}

.descripcion-institucional p {
  color: var(--color-gris-medio);
  font-size: 1.05rem;
}

/* ============================================
   SECCION OFERTA ACADEMICA (VISTA PREVIA)
   ============================================ */

.oferta-previa h2 {
  text-align: center;
  margin-bottom: 40px;
}

.tabla-cursos {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-blanco);
  box-shadow: var(--sombra-suave);
  border-radius: var(--radio-borde);
  overflow: hidden;
}

.tabla-cursos thead {
  background-color: var(--color-primario);
  color: var(--color-blanco);
}

.tabla-cursos th,
.tabla-cursos td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-gris-borde);
}

.tabla-cursos tbody tr:hover {
  background-color: var(--color-gris-claro);
}

.tabla-cursos td {
  color: var(--color-gris-oscuro);
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.8rem;
  border-radius: 20px;
  font-weight: 600;
}

.badge-presencial {
  background-color: #E3F2FD;
  color: #1565C0;
}

.badge-virtual {
  background-color: #E8F5E9;
  color: #2E7D32;
}

.badge-hibrido {
  background-color: #FFF3E0;
  color: #EF6C00;
}

/* ============================================
   SECCION PROCESO (PASOS)
   ============================================ */

.proceso-seccion h2 {
  text-align: center;
  margin-bottom: 40px;
}

.pasos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.paso-item {
  text-align: center;
  padding: 24px;
}

.paso-numero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-primario);
  color: var(--color-blanco);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.paso-item h4 {
  margin-bottom: 8px;
}

.paso-item p {
  color: var(--color-gris-medio);
  font-size: 0.9rem;
}

/* ============================================
   SECCION NOTICIAS
   ============================================ */

.noticias-seccion h2 {
  text-align: center;
  margin-bottom: 40px;
}

.noticia-card {
  background: var(--color-blanco);
  border-radius: var(--radio-borde);
  box-shadow: var(--sombra-suave);
  overflow: hidden;
  transition: var(--transicion);
}

.noticia-card:hover {
  box-shadow: var(--sombra-media);
}

.noticia-fecha {
  font-size: 0.8rem;
  color: var(--color-gris-medio);
  padding: 16px 20px 0;
}

.noticia-card h4 {
  padding: 8px 20px 12px;
  margin: 0;
}

.noticia-card p {
  padding: 0 20px 16px;
  color: var(--color-gris-medio);
  font-size: 0.9rem;
  margin: 0;
}

.noticia-enlace {
  padding: 0 20px 20px;
}

.noticia-enlace a {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ============================================
   PAGINA INTERIOR - CABECERA
   ============================================ */

.cabecera-pagina {
  background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-primario-oscuro) 100%);
  color: var(--color-blanco);
  padding: 48px 0;
  text-align: center;
}

.cabecera-pagina h1 {
  color: var(--color-blanco);
  margin-bottom: 12px;
}

.migas-pan {
  font-size: 0.85rem;
  opacity: 0.85;
}

.migas-pan a {
  color: var(--color-primario-claro);
}

.migas-pan a:hover {
  color: var(--color-blanco);
  text-decoration: none;
}

/* ============================================
   CONTENIDO PAGINAS INTERNAS
   ============================================ */

.contenido-pagina {
  max-width: 900px;
  margin: 0 auto;
}

.contenido-pagina h2 {
  margin-top: 40px;
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-gris-borde);
}

.contenido-pagina h3 {
  margin-top: 32px;
}

.contenido-pagina ul, .contenido-pagina ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.contenido-pagina li {
  margin-bottom: 8px;
  color: var(--color-gris-medio);
}

.marco-legal-box {
  background-color: var(--color-gris-claro);
  border-left: 4px solid var(--color-primario);
  padding: 24px;
  margin: 24px 0;
  border-radius: 0 var(--radio-borde) var(--radio-borde) 0;
}

.marco-legal-box p {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.marco-legal-box strong {
  color: var(--color-primario);
}

/* ============================================
   FORMULARIOS
   ============================================ */

.formulario-grupo {
  margin-bottom: 20px;
}

.formulario-grupo label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-gris-oscuro);
  font-size: 0.95rem;
}

.formulario-grupo input,
.formulario-grupo select,
.formulario-grupo textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-gris-borde);
  border-radius: var(--radio-borde);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transicion);
  box-sizing: border-box;
}

.formulario-grupo input:focus,
.formulario-grupo select:focus,
.formulario-grupo textarea:focus {
  outline: none;
  border-color: var(--color-primario);
  box-shadow: 0 0 0 3px rgba(15, 83, 156, 0.15);
}

.formulario-grupo textarea {
  resize: vertical;
  min-height: 100px;
}

/* ============================================
   TARJETAS DE CURSOS (PAGINA OFERTA)
   ============================================ */

.curso-tarjeta {
  background: var(--color-blanco);
  border-radius: var(--radio-borde);
  box-shadow: var(--sombra-suave);
  padding: 28px;
  margin-bottom: 24px;
  border-left: 4px solid var(--color-primario);
}

.curso-tarjeta h3 {
  margin-bottom: 12px;
}

.curso-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0;
  font-size: 0.9rem;
}

.curso-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-gris-medio);
}

.curso-meta-item strong {
  color: var(--color-gris-oscuro);
}

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

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.info-contacto-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.info-contacto-icono {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gris-claro);
  border-radius: 50%;
  color: var(--color-primario);
  font-size: 1.1rem;
}

.info-contacto-texto h4 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.info-contacto-texto p {
  margin: 0;
  color: var(--color-gris-medio);
  font-size: 0.9rem;
}

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

.footer {
  background-color: var(--color-gris-oscuro);
  color: var(--color-blanco);
  padding: 48px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer h4 {
  color: var(--color-blanco);
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: var(--transicion);
}

.footer-links a:hover {
  color: var(--color-primario-claro);
  text-decoration: none;
}

.footer-inferior {
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

.footer-inferior a {
  color: rgba(255,255,255,0.7);
}

/* ============================================
   BARRA DE TRANSPARENCIA
   ============================================ */

.barra-transparencia {
  background-color: var(--color-gris-claro);
  border-top: 1px solid var(--color-gris-borde);
  padding: 16px 0;
  text-align: center;
}

.barra-transparencia p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-gris-medio);
}

.barra-transparencia a {
  color: var(--color-primario);
  font-weight: 600;
}

/* ============================================
   RESPONSIVE - MOBILE FIRST
   ============================================ */

@media (max-width: 768px) {
  :root {
    --espaciado-seccion: 40px;
  }

  .barra-gobierno .contenedor {
    justify-content: center;
    flex-direction: column;
    text-align: center;
  }

  .header .contenedor {
    flex-direction: column;
    gap: 12px;
  }

  .logo-area {
    flex-direction: column;
    text-align: center;
  }

  .logo-area img {
    height: 44px;
  }

  .btn-menu-movil {
    display: block;
    position: absolute;
    right: 20px;
    top: 20px;
  }

  .nav-principal {
    display: none;
    width: 100%;
  }

  .nav-principal.activo {
    display: block;
  }

  .nav-principal ul {
    flex-direction: column;
    gap: 0;
  }

  .nav-principal li {
    border-bottom: 1px solid var(--color-gris-borde);
  }

  .nav-principal a {
    display: block;
    padding: 14px 0;
  }

  .hero {
    padding: 48px 0;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero p {
    font-size: 1rem;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .tabla-cursos {
    display: block;
    overflow-x: auto;
  }

  .cabecera-pagina {
    padding: 36px 0;
  }

  .cabecera-pagina h1 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .contenedor {
    padding: 0 16px;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.35rem; }

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .tarjeta {
    padding: 24px 20px;
  }
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primario);
  outline-offset: 2px;
}

a:focus, button:focus {
  outline: 2px solid var(--color-primario);
  outline-offset: 2px;
}

/* ============================================
   ANIMACIONES
   ============================================ */

@keyframes aparecer {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animar-entrada {
  animation: aparecer 0.5s ease forwards;
}

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.texto-primario { color: var(--color-primario); }
.texto-gris { color: var(--color-gris-medio); }
.fondo-gris { background-color: var(--color-gris-claro); }