/* Limpieza inicial */
body, html { margin: 0; padding: 0; overflow-x: hidden; }

.preloader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1.2s ease, visibility 1.2s ease;
}

.preloader.fade-out { opacity: 0; visibility: hidden; pointer-events: none; }

.clouds-curtain-container {
    position: absolute;
    inset: 0;
    display: flex;
    z-index: 12;
}

.curtain-half {
    width: 50%;
    height: 100%;
    background-color: transparent;
    pointer-events: none;
}

/* Animación de apertura */
.preloader.open-curtain .curtain-left { transform: translateX(-100%); }
.preloader.open-curtain .curtain-right { transform: translateX(100%); }

.curtain-cloud {
    position: absolute;
    background-image: url('../assets/brand/clouds.png');
    background-size: contain;
    background-repeat: no-repeat;
    z-index: 12;
    opacity: 1;
    animation-fill-mode: both;
}

.preloader.open-curtain .curtain-cloud {
    animation: cloud-clear 2.8s cubic-bezier(0.25, 1, 0.5, 1) var(--cloud-delay) forwards;
}

@keyframes cloud-clear {
    from { opacity: 1; transform: translate(0, 0) scale(1); }
    to { opacity: 0; transform: translate(var(--cloud-x), var(--cloud-y)) scale(0.78); }
}

/* Logo */
.loader-content { position: relative; z-index: 10; }
.brand-logo-loader {
    width: 400px;
    opacity: 0;
    transform: scale(0.3);
    transition: opacity 1.4s ease, transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.preloader.show-logo .brand-logo-loader { opacity: 1; transform: scale(1); }

@media (max-width: 600px) {
    .brand-logo-loader {
        width: 280px;
    }
}

/* Barra inferior */
.brand-color-bar { position: absolute; bottom: 0; width: 100%; height: 12px; display: flex; z-index: 20; }
.color-block { flex: 1; height: 100%; }