/* Additional Mobile Responsive Styles */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .profile-ring,
    .profile-image {
        width: 350px;
        height: 350px;
    }
    
    .skills-categories {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Navigation Mobile Styles */
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--surface);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--border-color);
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 1rem;
        display: block;
        text-align: center;
        border-radius: 10px;
        transition: all 0.3s ease;
    }
    
    .nav-link:hover {
        background: var(--primary-color);
        color: white;
    }
    
    /* Hero Section Mobile */
    .hero-section {
        padding: 6rem 1rem 2rem;
        text-align: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    /* Projects Mobile */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .project-card {
        margin: 0 1rem;
    }
    
    /* Experience Mobile */
    .experience-card-pro {
        margin: 0 1rem;
    }
    
    .card-header-pro {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
        padding: 1.5rem;
    }
    
    .company-info {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .company-logo-pro {
        width: 60px;
        height: 60px;
    }
    
    .experience-content-pro {
        padding: 1rem 1.5rem 1.5rem;
    }
    
    .contributions-list li {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
        padding: 1rem;
    }
    
    .timeline-chart {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .timeline-connector-chart {
        width: 3px;
        height: 30px;
        margin: 0;
    }
    
    .tech-expertise {
        justify-content: center;
        gap: 0.5rem;
    }
    
    .tech-tag-pro {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    /* Certifications Mobile */
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .certification-card {
        margin: 0 1rem;
    }
    
    /* Contact Mobile */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .title-line {
        max-width: 100px;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .profile-ring,
    .profile-image {
        width: 250px;
        height: 250px;
    }
    
    .floating-icon {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .skills-categories {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .certification-card {
        padding: 1.5rem;
    }
    
    .skill-category {
        padding: 1.5rem;
    }
    
    .project-card {
        margin: 0;
    }
    
    .project-content {
        padding: 1.5rem;
    }
    
    .chatbot-container {
        width: calc(100% - 1rem);
        right: 0.5rem;
        left: 0.5rem;
        bottom: 1rem;
    }
    
    .chatbot-header {
        padding: 0.75rem;
    }
    
    .chatbot-body {
        height: 300px;
    }
    
    .social-links {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* High DPI / Retina Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .profile-image img {
        image-rendering: -webkit-optimize-contrast;
    }
    
    .project-image img {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Print Styles */
@media print {
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    .nav-container,
    .chatbot-container,
    .theme-toggle,
    .scroll-indicator,
    .animated-bg {
        display: none !important;
    }
    
    .hero-section {
        page-break-after: always;
    }
    
    .section-title {
        color: black !important;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .stars,
    .floating-particles,
    .neural-network,
    .profile-ring,
    .floating-icon {
        animation: none !important;
    }
}

/* Focus styles for accessibility */
.nav-link:focus,
.btn-primary:focus,
.btn-secondary:focus,
.social-link:focus,
.theme-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --secondary-color: #800080;
        --accent-color: #008000;
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #000000;
    }
    
    [data-theme="dark"] {
        --primary-color: #00ffff;
        --secondary-color: #ff00ff;
        --accent-color: #00ff00;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --border-color: #ffffff;
    }
}

/* Custom scrollbar for webkit browsers */
.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: var(--surface);
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

/* Loading animation refinements */
@keyframes loading-fill {
    0% { 
        width: 0%; 
        background: var(--primary-color);
    }
    25% { 
        width: 25%; 
        background: var(--secondary-color);
    }
    50% { 
        width: 50%; 
        background: var(--accent-color);
    }
    75% { 
        width: 75%; 
        background: var(--primary-color);
    }
    100% { 
        width: 100%; 
        background: var(--gradient-1);
    }
}

/* Enhanced button hover effects */
.btn-primary:hover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) skewX(-15deg); }
    100% { transform: translateX(200%) skewX(-15deg); }
}

/* Improved neural network animation */
.neural-connections::before,
.neural-connections::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(var(--primary-color), transparent);
    animation: neural-flow 3s ease-in-out infinite;
}

.neural-connections::before {
    top: 20%;
    left: 30%;
    transform: rotate(45deg);
    animation-delay: 0s;
}

.neural-connections::after {
    bottom: 20%;
    right: 30%;
    transform: rotate(-45deg);
    animation-delay: 1.5s;
}

@keyframes neural-flow {
    0%, 100% { opacity: 0; transform: scale(0) rotate(45deg); }
    50% { opacity: 1; transform: scale(1) rotate(45deg); }
}

/* Enhanced glitch effect */
.glitch-text:hover::before {
    animation: glitch-hover 0.3s ease-in-out;
}

.glitch-text:hover::after {
    animation: glitch-hover-2 0.3s ease-in-out;
}

@keyframes glitch-hover {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-5px, 3px); }
    40% { transform: translate(-3px, -3px); }
    60% { transform: translate(3px, 3px); }
    80% { transform: translate(3px, -3px); }
}

@keyframes glitch-hover-2 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(5px, -3px); }
    40% { transform: translate(3px, 3px); }
    60% { transform: translate(-3px, -3px); }
    80% { transform: translate(-3px, 3px); }
}