/* ==========================================================================
   GLASSMORPHISM & EFECTOS MODERNOS
   ========================================================================== */

/* Menú de Navegación Fijo (Sticky) y Efecto Cristal */
.sticky-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.glass-nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

/* Paneles con efecto cristal (Ej: Textos sobre imágenes de fondo en la cabecera) */
.glass-panel {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    color: #ffffff;
}

/* Mejora de legibilidad para los textos dentro de un panel oscuro/cristalino */
.glass-panel h1, 
.glass-panel h2, 
.glass-panel p {
    text-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

/* Tarjetas (Cards) de Paquetes con estilo Glass */
.glass-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   FUTURO: VENTANAS MODALES INTERACTIVAS
   ========================================================================== */
/* Fondo oscuro desenfocado detrás de la ventana modal */
.glass-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 2000;
    display: none; /* Oculto por defecto, se maneja con JS */
    justify-content: center;
    align-items: center;
}

/* Contenido de la ventana modal */
.glass-modal-content {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    padding: 40px;
    max-width: 600px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    position: relative;
    animation: modalFadeIn 0.4s ease forwards;
}

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