/* --- Variables y Reset --- */
:root {
  --blanco: #ffffff;
  --gris-fondo: #f8fafc;
  --gris-borde: #e2e8f0;
  --azul: #0f2b5c;
  --azul-claro: #1d4ed8;
  --rojo: #dc2626;
  --rojo-hover: #b91c1c;
  --texto-oscuro: #1e293b;
  --texto-muted: #64748b;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--gris-fondo);
  color: var(--texto-oscuro);
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
}

/* --- Barra Superior --- */
.top-nav {
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  padding: 0.8rem 5%;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-volver-web {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--azul);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  background: var(--gris-fondo);
  border: 1px solid var(--gris-borde);
  transition: all 0.2s ease;
}

.btn-volver-web:hover {
  background: #eff6ff;
  border-color: var(--azul-claro);
  color: var(--azul-claro);
}

.nav-badge {
  background-color: #fee2e2;
  color: var(--rojo);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: default;
}

/* --- Banner de Cabecera --- */
.banner-detalle {
  position: relative;
  height: 380px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 43, 92, 0.92) 15%, rgba(15, 43, 92, 0.3) 100%);
}

.banner-texto {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1250px;
  margin: 0 auto;
  padding: 2.5rem 5%;
  color: var(--blanco);
}

.banner-categoria {
  text-transform: uppercase;
  color: var(--rojo);
  font-weight: 800;
  letter-spacing: 1px;
  font-size: 0.85rem;
  background: var(--blanco);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.6rem;
}

.banner-texto h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.15;
}

/* --- Layout Principal --- */
.layout-detalle {
  max-width: 1250px;
  margin: 3rem auto;
  padding: 0 4%;
  display: grid;
  grid-template-columns: 2.3fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* --- Bloque de Información --- */
.info-bloque {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 4px 15px rgba(15, 43, 92, 0.03);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-bloque h2 {
  color: var(--azul);
  font-size: 1.55rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.info-bloque h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 45px;
  height: 3px;
  background-color: var(--rojo);
  border-radius: 2px;
}

.info-bloque p {
  color: var(--texto-muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

.info-bloque h3 {
  color: var(--azul);
  font-size: 1.25rem;
  margin-top: 0.8rem;
}

.info-bloque ul.lista-metodologia {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.info-bloque ul.lista-metodologia li {
  background: var(--gris-fondo);
  border-left: 3px solid var(--azul-claro);
  padding: 0.9rem 1.1rem;
  border-radius: 0 8px 8px 0;
  color: var(--texto-oscuro);
  font-size: 0.95rem;
}

/* --- Sección Legal y LOPIVI --- */
.bloque-legal {
  background: #f0f7ff;
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.bloque-legal h4 {
  color: var(--azul);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bloque-legal p {
  font-size: 0.9rem;
  color: var(--texto-oscuro);
  line-height: 1.6;
}

/* --- Sidebar Lateral --- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 5rem;
}

.panel-widget {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 16px;
  padding: 1.8rem;
  box-shadow: 0 4px 15px rgba(15, 43, 92, 0.03);
}

.panel-widget h4 {
  color: var(--azul);
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--gris-borde);
  padding-bottom: 0.5rem;
}

.widget-texto {
  font-size: 0.9rem;
  color: var(--texto-muted);
  margin-bottom: 0.8rem;
}

.lista-horarios {
  list-style: none;
}

.lista-horarios li {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--gris-borde);
  font-size: 0.9rem;
}

.lista-horarios li:last-child {
  border-bottom: none;
}

.lista-horarios .dia {
  font-weight: 600;
  color: var(--texto-oscuro);
}

.lista-horarios .hora {
  color: var(--azul-claro);
  font-weight: 700;
}

.btn-inscripcion {
  display: block;
  width: 100%;
  text-align: center;
  background-color: var(--rojo);
  color: var(--blanco);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem;
  border-radius: 8px;
  margin-top: 1rem;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-inscripcion:hover {
  background-color: var(--rojo-hover);
  transform: translateY(-2px);
}

/* --- Media Queries --- */
@media (max-width: 860px) {
  .layout-detalle {
    grid-template-columns: 1fr;
    margin: 1.5rem auto;
    padding: 0 5%;
    gap: 2rem;
  }

  .sidebar {
    position: static;
  }

  .banner-detalle {
    height: 280px;
  }

  .info-bloque {
    padding: 1.6rem;
  }
}