.site-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at center, rgba(77, 168, 218, 0.09), transparent 42%),
        #1f1f1f;
    opacity: 0;
    animation: site-loader-reveal 0s 180ms forwards;
    transition: opacity 220ms ease, visibility 220ms ease;
}

.site-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.site-loader__mark {
    position: relative;
    width: 180px;
    min-height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-loader__mark::before {
    content: "";
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: rgba(77, 168, 218, 0.08);
    filter: blur(24px);
    animation: site-loader-glow 1.4s ease-in-out infinite;
}

.site-loader__mark::after {
    content: "";
    position: absolute;
    right: 20px;
    left: 20px;
    bottom: 5px;
    height: 2px;
    border-radius: 9999px;
    background: linear-gradient(90deg, transparent, #4da8da, transparent);
    transform-origin: center;
    animation: site-loader-line 1.1s ease-in-out infinite;
}

.site-loader__logo {
    position: relative;
    z-index: 1;
    width: 150px;
    height: 150px;
    object-fit: contain;
    filter: drop-shadow(0 12px 25px rgba(0, 0, 0, 0.42));
    animation: site-loader-pulse 1.4s ease-in-out infinite;
}

@keyframes site-loader-pulse {
    0%, 100% { transform: scale(0.97); opacity: 0.82; }
    50% { transform: scale(1.03); opacity: 1; }
}

@keyframes site-loader-glow {
    0%, 100% { opacity: 0.45; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.08); }
}

@keyframes site-loader-line {
    0%, 100% { transform: scaleX(0.2); opacity: 0.25; }
    50% { transform: scaleX(1); opacity: 1; }
}

@keyframes site-loader-reveal {
    to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .site-loader__logo,
    .site-loader__mark::before,
    .site-loader__mark::after { animation: none; }
}