/* ================================================= */
/* PRELOADER (PANTALLA DE CARGA) */
/* ================================================= */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dark); /* Fondo sólido inicial */
    z-index: 9999; /* Encima de todo */
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

/* Contenedor del spinner */
.loader-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-top: 5px solid var(--primary); /* Azul Tech */
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.3); /* Brillo azul */
}

/* Texto de carga */
.loader-text {
    color: var(--light);
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: pulseText 1.5s ease-in-out infinite;
}

.loader-text .highlight {
    color: var(--primary);
}

/* Animaciones */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulseText {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Clase para ocultarlo */
.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}