/* Custom Animations */
@keyframes fade-up {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce-subtle {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-fade-up {
    animation: fade-up 0.8s ease-out forwards;
}

.animate-fade-in {
    animation: fade-in 1.2s ease-out forwards;
}

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

.animate-bounce-subtle {
    animation: bounce-subtle 4s ease-in-out infinite;
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Header transition on scroll */
header.scrolled nav {
    margin-top: 0;
    border-radius: 0 0 1rem 1rem;
    max-width: 100%;
}

@media (max-width: 640px) {
    header.scrolled nav {
        margin-top: 0;
        border-radius: 0;
    }
}