/* 悬浮动画 */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.floating {
    animation: float 6s ease-in-out infinite;
}

/* 脉冲光效 */
@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.pulse-effect {
    animation: pulse 3s ease-in-out infinite;
}

/* 电路板线条动画 */
@keyframes circuit {
    0% { stroke-dashoffset: 1000; }
    100% { stroke-dashoffset: 0; }
}

.circuit-line {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: circuit 10s linear infinite;
}

/* 机械齿轮动画 */
@keyframes gear-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.gear-spin {
    animation: gear-spin 12s linear infinite;
}

/* 3D翻转效果 */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

/* Tech animation container */
.tech-animation-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Fade in animation */
@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}