html {
    scroll-behavior: smooth;
}

body {
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,0.03) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,0.03) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,0.03) 0, transparent 50%);
    background-attachment: fixed;
}

.glass {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

#header {
    transition: top 0.4s ease-in-out, background-color 0.3s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 1s ease-out forwards;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1; 
}

::-webkit-scrollbar-thumb {
    background: #1e3a8a; 
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #dc2626; 
}