html {
      scroll-behavior: smooth;
    }

    .logo-container {
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #ffffff;
      border-radius: 8px;
      padding: 6px 12px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.05);
      border: 1px solid #e2e8f0;
    }
    .airline-logo-img {
      max-height: 38px;
      max-width: 100%;
      object-fit: contain;
    }

    /* Espaciado de anclaje exacto para no pisar títulos con el Navbar */
    section, header {
      scroll-margin-top: 85px;
    }

    body {
      font-family: 'Roboto', sans-serif;
      color: #1e293b;
      position: relative;
    }

    /* Navbar styling */
    .navbar {
      background-color: #0a192f;
      transition: background-color 0.3s ease;
      min-height: 72px;
    }
    .navbar-brand {
      font-weight: 700;
      letter-spacing: 1px;
      font-size: 2rem;
    }

    /* Custom Nav Link Active Highlight */
    .navbar-dark .navbar-nav .nav-link {
      color: rgba(255, 255, 255, 0.7);
      font-weight: 500;
      padding: 0.5rem 1rem;
      position: relative;
      transition: color 0.25s ease-in-out;
    }

    .navbar-dark .navbar-nav .nav-link:hover,
    .navbar-dark .navbar-nav .nav-link.active {
      color: #0dcaf0 !important;
    }

    /* Línea indicadora animada debajo del link activo en desktop */
    @media (min-width: 992px) {
      .navbar-dark .navbar-nav .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 0;
        height: 2px;
        background-color: #0dcaf0;
        transition: width 0.3s ease, left 0.3s ease;
      }
      .navbar-dark .navbar-nav .nav-link.active::after {
        width: 80%;
        left: 10%;
      }
    }

.hero-section {
  /* 1. Ocupar el 100% del alto de la pantalla */
  min-height: 100vh;
  width: 100%;

  /* 2. Centrado vertical y horizontal del contenido con Flexbox */
  display: flex;
  align-items: center;

  background-image: 
    linear-gradient(to bottom, 
      rgba(10, 25, 47, 1) 0%,        /* Negro puro arriba (coincide con el menú) */
      rgba(10, 25, 47, 1) 10%,       /* Mantiene intensidad alta en la zona alta */
      rgba(10, 25, 47, 0.7) 30%,     /* Transición intermedia muy suave */
      rgba(10, 25, 47, 0.3) 75%,     /* Permite ver la foto de fondo en el centro/abajo */
      rgba(10, 25, 47, 0.6) 100%     /* Ligero oscurecimiento abajo para contraste */
    ),
    url('assets/bg/13.jpg'); /* Tu imagen de fondo */

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  padding-top: 160px;
  padding-bottom: 110px;
}

    /* Secciones principales con espacio holgado */
    .section-padding {
      padding-top: 100px;
      padding-bottom: 100px;
    }

    /* Feature Cards */
    .feature-card {
      border: none;
      border-radius: 12px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    .feature-icon {
      font-size: 2.5rem;
      color: #0d6efd;
    }

    /* Airline Cards */
    .airline-card {
      border: none;
      border-radius: 16px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .airline-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 24px rgba(0,0,0,0.08);
    }

    /* Step Badge */
    .step-number {
      width: 50px;
      height: 50px;
      background-color: #0d6efd;
      color: #fff;
      font-weight: 700;
      font-size: 1.25rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 15px;
    }

    /* Footer */
    footer {
      background-color: #0a192f;
    }
  
    /* Indicador de actividad online parpadeante */
.online-indicator {
  width: 12px;
  height: 12px;
  background-color: #28a745; /* Verde Bootstrap */
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 rgba(40, 167, 69, 0.4);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(40, 167, 69, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(40, 167, 69, 0);
  }
}

#mainNavbar {
  box-shadow: none !important;
  border: none !important;
}

.text-sombra {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
}

.justificar {
  text-align: justify !important;
}

/* --- ESTILOS MEJORADOS PARA REDES SOCIALES EN FOOTER --- */
.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-radius: 50%;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
  background-color: var(--bs-primary, #0d6efd);
  color: #ffffff;
  transform: translateY(-3px);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

/* Transición para los enlaces de navegación */
.hover-white {
  transition: color 0.3s ease, padding-left 0.3s ease;
}

.hover-white:hover {
  color: #ffffff !important;
  padding-left: 4px;
}