/* 
   Since we use Tailwind CSS via CDN in index.html, 
   we only need some custom animations here that aren't natively supported 
   by Tailwind's basic classes.
*/

.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 3D Cube Styles */
.cube-scene {
    width: 240px;
    height: 240px;
    perspective: 1200px;
    margin: 0 auto;
}

.cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCube 20s infinite linear;
}

.cube:hover {
    animation-play-state: paused;
}

.cube-face {
    position: absolute;
    width: 240px;
    height: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(24, 24, 27, 0.75); /* zinc-900 */
    border: 1px solid rgba(139, 92, 246, 0.4); /* brand-purple */
    backdrop-filter: blur(8px);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.15) inset;
    border-radius: 20px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.cube-face:hover {
    background: rgba(24, 24, 27, 0.9);
    border-color: rgba(16, 185, 129, 0.6); /* brand-green */
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.2) inset;
}

.cube-front  { transform: rotateY(  0deg) translateZ(120px); }
.cube-right  { transform: rotateY( 90deg) translateZ(120px); }
.cube-back   { transform: rotateY(180deg) translateZ(120px); }
.cube-left   { transform: rotateY(-90deg) translateZ(120px); }
.cube-top    { transform: rotateX( 90deg) translateZ(120px); }
.cube-bottom { transform: rotateX(-90deg) translateZ(120px); }

/* The Inner Core */
.cube-core {
    position: absolute;
    width: 120px;
    height: 120px;
    top: 60px;
    left: 60px;
    transform: translateZ(0); /* Center of the cube */
    display: flex;
    align-items: center;
    justify-content: center;
}

.cube-core img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.4));
    animation: pulseCore 3s infinite alternate;
}

@keyframes rotateCube {
    0% { transform: rotateX(-15deg) rotateY(0deg); }
    100% { transform: rotateX(-15deg) rotateY(360deg); }
}

@keyframes pulseCore {
    0% { transform: scale(0.9); filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.3)); }
    100% { transform: scale(1.15); filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.8)); }
}