/* ===============================================
   Consultorios Bolivar - Estilos Personalizados
   =============================================== */

/* Variables CSS para mantener consistencia */
:root {
  --primary-color: #003366;
  --secondary-color: #6c757d;
  --success-color: #25D366; /* WhatsApp green */
  --light-bg: #f2f2f2;
  --transition-speed: 0.3s;
}

/* Skip to content - Accesibilidad */
.visually-hidden-focusable:focus {
  z-index: 1100;
}

/* Mejoras generales */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Header mejorado */
header.card {
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-speed) ease;
}

header.card:hover {
  transform: translateY(-2px);
}

/* Navegación */
.navbar {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand:hover {
  opacity: 0.8;
}

.nav-link {
  position: relative;
  transition: color var(--transition-speed) ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-speed) ease, left var(--transition-speed) ease;
}

.nav-link:hover::after {
  width: 100%;
  left: 0;
}

/* Tarjetas de sedes */
article.card {
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  border-radius: 8px;
  overflow: hidden;
}

article.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

article.card img.card-img-top {
  transition: transform var(--transition-speed) ease;
}

article.card:hover img.card-img-top {
  transform: scale(1.05);
}

/* Botones mejorados */
.btn {
  transition: all var(--transition-speed) ease;
  font-weight: 500;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

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

.btn-outline-success:hover {
  background-color: var(--success-color);
  border-color: var(--success-color);
}

/* Enlaces de redes sociales */
nav[aria-label*="sociales"] a {
  transition: all var(--transition-speed) ease;
}

nav[aria-label*="sociales"] a:hover {
  transform: scale(1.1);
}

nav[aria-label*="sociales"] a:hover span {
  text-decoration: underline;
}

/* Formulario de contacto */
#mail {
  background-color: var(--light-bg);
}

#mail .form-control {
  border-radius: 8px;
  border: 2px solid #dee2e6;
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

#mail .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 51, 102, 0.15);
}

#mail hr {
  border-color: var(--primary-color) !important;
  opacity: 1;
}

/* Enlaces de ubicación */
.card-link {
  transition: all var(--transition-speed) ease;
  text-decoration: none;
  color: inherit;
}

.card-link:hover {
  transform: scale(1.05);
  color: var(--primary-color);
}

.card-link img {
  transition: transform var(--transition-speed) ease;
}

.card-link:hover img {
  transform: rotate(5deg);
}

/* Address styling */
address {
  font-style: normal;
}

address a {
  color: var(--primary-color);
  transition: color var(--transition-speed) ease;
}

address a:hover {
  color: #0056b3;
  text-decoration: underline;
}

/* Footer */
footer {
  border-top: 3px solid var(--primary-color);
}

/* Mejoras de responsividad */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.5rem !important;
  }
  
  header p {
    font-size: 1rem !important;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  nav[aria-label*="sociales"] {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Animación de carga suave */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

main section {
  animation: fadeIn 0.6s ease-out;
}

/* Mejora de accesibilidad: Focus visible */
*:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Preload optimization */
img[loading="lazy"] {
  content-visibility: auto;
}

/* ===============================================
   Blog Styles - Artículos colapsables
   =============================================== */

/* Botones de colapsar/expandir */
[data-bs-toggle="collapse"] {
  position: relative;
  font-weight: 500;
}

[data-bs-toggle="collapse"]::after {
  content: ' ▼';
  font-size: 0.8em;
  transition: transform var(--transition-speed) ease;
  display: inline-block;
}

[data-bs-toggle="collapse"]:not(.collapsed)::after {
  transform: rotate(180deg);
}

/* Contenido colapsable */
.collapse {
  line-height: 1.7;
}

.collapse p, .collapse div {
  margin-bottom: 1rem;
}

/* Artículos del blog */
article.card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

article.card .card-body {
  flex: 1;
}

article.card .card-footer small {
  font-size: 0.85rem;
}

/* Asegurar que las tarjetas tengan altura uniforme */
.h-100 {
  min-height: 100%;
}

/* Breakpoint para tablets/notebooks */
@media (min-width: 768px) {
  .row-cols-md-2 > * {
    flex: 0 0 auto;
    width: 50%;
  }
}

/* Espaciado entre tarjetas */
.g-3 {
  --bs-gutter-x: 1rem;
  --bs-gutter-y: 1rem;
}

.g-3 > .col,
.g-3 > [class*="col-"] {
  padding-right: calc(var(--bs-gutter-x) * 0.5);
  padding-left: calc(var(--bs-gutter-x) * 0.5);
  margin-bottom: var(--bs-gutter-y);
}

/* Subtítulos en artículos */
article h4 {
  color: var(--primary-color);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--primary-color);
  padding-left: 0.75rem;
}

/* Índice de navegación del blog */
nav[aria-label="Índice del blog"] .btn {
  min-width: 250px;
}

/* Secciones del blog */
section[aria-labelledby] h2 {
  border-radius: 4px;
}

/* ===============================================
   Info Page Styles
   =============================================== */

/* Estilos para la página de información */
.main-section {
  margin-bottom: 2rem;
}

.main-section h2 {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.main-section h3 {
  color: var(--secondary-color);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.main-section h4 {
  color: #495057;
  font-size: 1.1rem;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.main-section ul {
  list-style-type: disc;
  padding-left: 2rem;
  margin-bottom: 1rem;
}

.main-section ul li {
  margin-bottom: 0.25rem;
  line-height: 1.6;
}

/* Lead paragraph */
.lead {
  font-size: 1.15rem;
  font-weight: 300;
  color: #6c757d;
  margin-top: 0.5rem;
}

/* Responsive para página info */
@media (max-width: 768px) {
  .main-section h2 {
    font-size: 1.5rem;
  }
  
  .main-section h3 {
    font-size: 1.25rem;
  }
  
  .main-section h4 {
    font-size: 1rem;
  }
}