/* Additional Custom Styles for Portfolio Website */

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

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

.dark ::-webkit-scrollbar-track {
    background: #1e293b;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.dark ::-webkit-scrollbar-thumb {
    background: #475569;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;
}

.dark * {
    scrollbar-color: #475569 #1e293b;
}

/* Custom animations */
@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(20px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

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

@keyframes scaleIn {
    from { 
        opacity: 0;
        transform: scale(0.9);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

/* Animation classes */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.5s ease-out;
}

/* Navigation link styles */
.nav-link, .mobile-nav-link {
    position: relative;
    transition: all 0.2s ease;
}

.nav-link::after, .mobile-nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.dark .nav-link::after, .dark .mobile-nav-link::after {
    background: linear-gradient(90deg, #60a5fa, #3b82f6);
}

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

/* Mobile navigation styles */
.mobile-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.mobile-nav-link:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

.dark .mobile-nav-link:hover {
    background-color: rgba(59, 130, 246, 0.2);
}

/* Project card enhancements */
.project-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backface-visibility: hidden;
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.dark .project-card:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Button enhancements */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    border: 2px solid #3b82f6;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dark .btn-outline {
    border-color: #60a5fa;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: #3b82f6;
    transition: width 0.3s ease;
    z-index: -1;
}

.dark .btn-outline::before {
    background: #60a5fa;
}

.btn-outline:hover::before {
    width: 100%;
}

.btn-outline:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.3);
}

/* Gradient text effect */
.gradient-text {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dark .gradient-text {
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
}

.loaded {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.5s ease-out;
}

/* Focus styles for accessibility */
.nav-link:focus,
.mobile-nav-link:focus,
button:focus,
a:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
    border-radius: 4px;
}

.dark .nav-link:focus,
.dark .mobile-nav-link:focus,
.dark button:focus,
.dark a:focus {
    outline-color: #60a5fa;
}

/* Print styles */
@media print {
    .nav-link::after,
    .mobile-nav-link::after,
    .btn-primary::before,
    .btn-outline::before {
        display: none;
    }
    
    .project-card:hover {
        transform: none;
        box-shadow: none;
    }
    
    .btn-primary:hover,
    .btn-outline:hover {
        transform: none;
        box-shadow: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .nav-link::after,
    .mobile-nav-link::after {
        height: 3px;
        background: #000;
    }
    
    .dark .nav-link::after,
    .dark .mobile-nav-link::after {
        background: #fff;
    }
    
    .btn-primary {
        background: #000;
        color: #fff;
    }
    
    .dark .btn-primary {
        background: #fff;
        color: #000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .project-card:hover {
        transform: none;
    }
    
    .btn-primary:hover,
    .btn-outline:hover {
        transform: none;
    }
}

/* Custom selection color */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: inherit;
}

.dark ::selection {
    background: rgba(96, 165, 250, 0.3);
    color: inherit;
}

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

/* Ensure proper spacing for fixed navbar */
body {
    padding-top: 0;
}

/* Custom focus ring for better accessibility */
.focus-ring:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
    border-radius: 4px;
}

.dark .focus-ring:focus {
    outline-color: #60a5fa;
}

/* Enhanced typography */
.text-gradient {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dark .text-gradient {
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Custom utility classes */
.backdrop-blur {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dark .glass-effect {
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}