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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: #22c55e;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #16a34a;
}

/* Selection Color */
::selection {
    background: #dcfce7;
    color: #0f172a;
}

/* Mobile Menu Transitions */
#mobile-menu {
    transition: transform 0.3s ease-in-out;
}

/* Form Focus Styles */
input:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

/* Image Loading Placeholder */
img {
    background: linear-gradient(90deg, #f0fdf4 25%, #dcfce7 50%, #f0fdf4 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

img[src] {
    animation: none;
    background: none;
}

/* Hover Effects */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* Responsive Typography */
@media (max-width: 768px) {
    .font-serif {
        font-size: 2.5rem;
    }
}