/* Custom animations and utility styles */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

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

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

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

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

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

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

::-webkit-scrollbar-track {
    background: #F9F9F9;
}

::-webkit-scrollbar-thumb {
    background: #FF7F50;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #e66a3d;
}

/* Mobile menu transitions */
#mobile-menu {
    transition: opacity 0.3s ease, pointer-events 0.3s ease;
}

#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(249, 249, 249, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* Form focus styles */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* Image loading placeholder */
img {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 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;
}