/* Modern Responsive Enhancements for Resume Website */
/* ================================================= */

/* Additional responsive utilities */
@media (max-width: 480px) {
    .hero-gradient {
        padding-top: 6rem;
        padding-bottom: 4rem;
    }
    
    .hero-gradient h1 {
        font-size: 2.5rem !important;
        line-height: 1.1;
    }
    
    .hero-gradient .text-xl {
        font-size: 1.125rem !important;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .timeline-item {
        padding-left: 2.5rem !important;
    }
    
    .timeline-item::before {
        left: -4px !important;
        width: 8px !important;
        height: 8px !important;
    }
    
    .glass-effect {
        padding: 1rem !important;
    }
}

/* Tablet specific styles */
@media (min-width: 768px) and (max-width: 1023px) {
    .hero-gradient h1 {
        font-size: 4rem !important;
    }
    
    .grid.lg\\:grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    .grid.lg\\:grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Enhanced mobile navigation */
@media (max-width: 767px) {
    #mobile-menu {
        animation: slideDown 0.3s ease-out;
    }
    
    #mobile-menu.hidden {
        animation: slideUp 0.3s ease-out;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @keyframes slideUp {
        from {
            opacity: 1;
            transform: translateY(0);
        }
        to {
            opacity: 0;
            transform: translateY(-10px);
        }
    }
}

/* Enhanced focus states for accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Smooth transitions for all interactive elements */
* {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Enhanced scroll behavior */
html {
    scroll-behavior: smooth;
}

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

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

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

::-webkit-scrollbar-thumb {
    background: #3b82f6;
    border-radius: 4px;
}

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

/* Print styles */
@media print {
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero-gradient,
    #navbar,
    footer,
    #contact {
        display: none !important;
    }
    
    .glass-effect {
        background: white !important;
        border: 1px solid #ccc !important;
    }
    
    .gradient-text {
        color: black !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .glass-effect {
        background: rgba(0, 0, 0, 0.9) !important;
        border: 2px solid #fff !important;
    }
    
    .gradient-text {
        background: none !important;
        color: #fff !important;
    }
}

/* Dark mode preferences */
@media (prefers-color-scheme: dark) {
    /* Already dark by default, but ensure consistency */
    body {
        background-color: #0f172a;
        color: #f8fafc;
    }
}

/* Enhanced animations for larger screens */
@media (min-width: 1024px) {
    .skill-icon:hover {
        transform: scale(1.2) rotate(10deg);
    }
    
    .glass-effect:hover {
        transform: translateY(-5px) scale(1.02);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    }
    
    .timeline-item:hover .glass-effect {
        transform: translateX(10px) scale(1.02);
    }
}

/* Notification styles */
.notification {
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Form enhancements */
.form-floating {
    position: relative;
}

.form-floating input,
.form-floating textarea {
    padding: 1rem 0.75rem 0.5rem;
}

.form-floating label {
    position: absolute;
    top: 0;
    left: 0.75rem;
    color: #6b7280;
    transition: all 0.2s ease;
    pointer-events: none;
    transform-origin: left top;
}

.form-floating input:focus + label,
.form-floating textarea:focus + label,
.form-floating input:not(:placeholder-shown) + label,
.form-floating textarea:not(:placeholder-shown) + label {
    transform: scale(0.85) translateY(-0.5rem);
    color: #3b82f6;
}

/* Intersection Observer fade-in animation */
.fade-in-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-element.animate-fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced button styles */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    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 ease;
}

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

/* Particle system enhancements */
.particle:nth-child(odd) {
    animation-duration: 6s;
}

.particle:nth-child(even) {
    animation-duration: 10s;
}

.particle:nth-child(3n) {
    animation-duration: 8s;
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #3b82f6;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}

/* Enhanced mobile touch targets */
@media (max-width: 767px) {
    button,
    a,
    input,
    textarea {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        padding: 0.75rem 0;
        display: block;
    }
}

/* Performance optimizations */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .floating-element,
    .particle,
    .animate-bounce-slow,
    .animate-pulse-slow,
    .animate-spin-slow {
        animation: none !important;
    }
    
    .progress-bar {
        transition: none !important;
    }
}

/* High performance scroll indicators */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #1e40af);
    transform-origin: left;
    z-index: 1000;
    transition: transform 0.1s ease-out;
}