@keyframes float1 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-20px) translateX(10px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(15px) translateX(-15px); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-10px) translateX(-10px); }
}

@keyframes bounce-slow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes underline {
    0% { width: 0; opacity: 0; }
    50% { opacity: 0.5; }
    100% { width: 100%; opacity: 0.5; }
}

.animate-float1 {
    animation: float1 8s ease-in-out infinite;
}

.animate-float2 {
    animation: float2 10s ease-in-out infinite;
}

.animate-float3 {
    animation: float3 12s ease-in-out infinite;
}

.animate-bounce-slow {
    animation: bounce-slow 3s ease-in-out infinite;
}

.animate-underline {
    animation: underline 1.5s ease-out forwards;
}

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

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

::-webkit-scrollbar-thumb {
    background: #3b82f6;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2563eb;
}