.vanta-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}
.section {
    min-height: 100vh;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}
.content-card {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}
.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #3b82f6;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}
.active-nav::after {
    width: 100%;
}
.floating {
    animation: floating 6s ease-in-out infinite;
}
@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}
.gradient-text {
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}