/* Custom Animations */
@keyframes blob {
    0% {
        transform: translate(0px, 0px) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    100% {
        transform: translate(0px, 0px) scale(1);
    }
}

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

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

.animate-blob {
    animation: blob 7s infinite;
}

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

.animation-delay-4000 {
    animation-delay: 4s;
}

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

/* Fade in animation */
.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

/* Float animation */
.float {
    animation: float 3s ease-in-out infinite;
}

/* Navbar link hover effect */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #0284c7, #06b6d4);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Grid columns for portfolio */
@media (min-width: 1024px) {
    .grid.lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* Smooth transitions */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Button ripple effect on hover */
button, a[role="button"] {
    position: relative;
    overflow: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: #0284c7;
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0369a1;
}

/* Selection styling */
::selection {
    background: #0284c7;
    color: white;
}

::-moz-selection {
    background: #0284c7;
    color: white;
}

/* Image lazy loading */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Responsive typography */
@media (max-width: 640px) {
    h1 {
        font-size: 2.25rem;
    }
    h2 {
        font-size: 1.875rem;
    }
}