/* Spin88 Asia - 3D depth & glass layer utilities */

.scene-3d {
    perspective: var(--perspective);
    transform-style: preserve-3d;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--border-glass);
    box-shadow: var(--elevation-2);
}

.glass-panel--elevated {
    box-shadow: var(--elevation-3);
}

.depth-card {
    transform-style: preserve-3d;
    transition: transform var(--transition-3d), box-shadow var(--transition-normal);
    will-change: transform;
}

.depth-card:hover {
    transform: translateY(-8px) translateZ(var(--depth-sm)) rotateX(2deg);
    box-shadow: var(--elevation-4);
}

.depth-tilt {
    transition: transform var(--transition-3d);
}

.depth-tilt:hover {
    transform: perspective(var(--perspective)) rotateX(4deg) rotateY(-4deg) translateZ(var(--depth-sm));
}

.parallax-layer {
    will-change: transform;
}

.parallax-layer--back {
    transform: translateZ(-40px) scale(1.04);
}

.parallax-layer--mid {
    transform: translateZ(0);
}

.parallax-layer--front {
    transform: translateZ(24px);
}

.gold-shine {
    position: relative;
    overflow: hidden;
}

.gold-shine::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 35%,
        rgba(255, 215, 0, 0.12) 45%,
        rgba(255, 255, 255, 0.08) 50%,
        transparent 65%
    );
    transform: translateX(-120%);
    transition: transform 0.7s var(--ease-out-expo);
    pointer-events: none;
}

.gold-shine:hover::after {
    transform: translateX(120%);
}

@media (prefers-reduced-motion: reduce) {
    .depth-card:hover,
    .depth-tilt:hover {
        transform: translateY(-4px);
    }
    .gold-shine::after {
        display: none;
    }
}