/* ── Preloader ── */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Winding progress bar */
.preloader-bar-wrap {
    width: 200px;
    height: 4px;
    background: #ddd;
    border-radius: 2px;
    overflow: hidden;
}
.preloader-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #a00000, #e00000, #a00000);
    background-size: 200% 100%;
    border-radius: 2px;
    animation: bar-fill 2s ease-out forwards, shimmer 1.2s linear infinite;
}
@keyframes bar-fill {
    to { width: 100%; }
}
@keyframes shimmer {
    to { background-position: -200% center; }
}

.preloader-label {
    color: #999;
    font-family: Arial, sans-serif;
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
}