/* Portfolio specific styles */
.portfolio-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.portfolio-filter-btn {
    transition: all 0.3s ease;
}

.portfolio-filter-btn:hover {
    transform: scale(1.05);
}

/* Animation delays */
.animation-delay-1000 {
    animation-delay: 1s;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

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

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

::-webkit-scrollbar-thumb {
    background: #3b82f6;
    border-radius: 5px;
}

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

/* Selection color */
::selection {
    background-color: rgba(59, 130, 246, 0.3);
    color: #1e40af;
}

/* Smooth transitions */
.transition-all {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Gradient text animation */
@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animate-gradient {
    background-size: 300% 300%;
    animation: gradient 3s ease infinite;
}

/* Badge animations */
@keyframes badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.badge-pulse {
    animation: badge-pulse 2s infinite;
}

/* Mobile optimizations */
@media (max-width: 640px) {
    .portfolio-filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .portfolio-card h3 {
        font-size: 1.25rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}