/* Additional Styles and Enhancements */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    opacity: 0.8;
}

/* Firefox Scrollbar */
* {
    scrollbar-color: #667eea #f1f1f1;
    scrollbar-width: thin;
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* Hero section glow effect */
.hero-glow {
    animation: gradient 6s ease infinite;
    background-size: 200% 200%;
}

/* Button hover effects */
button:active,
a:active {
    transform: scale(0.98);
}

/* Link hover effect */
a {
    transition: all 0.3s ease;
}

/* Project card shadow enhancement */
.card-hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    .hero-text {
        text-align: center;
    }
}

/* Print styles */
@media print {
    nav, footer, .btn-primary, a[href] {
        display: none;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #0f172a;
        color: #e2e8f0;
    }
    
    nav {
        background-color: rgba(15, 23, 42, 0.95);
    }
}

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

/* Table responsive design */
@media (max-width: 640px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

/* Custom badge animation */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

/* Smooth transitions for all interactive elements */
button,
a,
input,
textarea,
select {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Code block styling (if needed) */
code {
    background-color: #f3f4f6;
    padding: 0.2em 0.4em;
    border-radius: 0.25em;
    font-family: 'Courier New', monospace;
}

pre {
    background-color: #1f2937;
    color: #f3f4f6;
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
}

pre code {
    background-color: transparent;
    color: inherit;
    padding: 0;
}

/* Image optimization */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container queries support */
@supports (container-type: inline-size) {
    .container-query-element {
        container-type: inline-size;
    }
}

/* Utility animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Video container responsive */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Gradient text utility */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Backdrop blur support */
@supports (backdrop-filter: blur(10px)) {
    .backdrop-blur-sm {
        backdrop-filter: blur(4px);
    }
}

/* Focus visible for keyboard navigation */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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