/* Advanced Responsive Design */

/* Extra Large Screens (1400px and up) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 4rem;
    }
    
    .hero-container {
        gap: 100px;
    }
    
    .image-container {
        width: 450px;
        height: 450px;
    }
    
    .floating-icon {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }
}

/* Large Screens (1200px - 1399px) */
@media (min-width: 1200px) and (max-width: 1399px) {
    .hero-container {
        gap: 80px;
    }
    
    .about-content {
        gap: 60px;
    }
    
    .contact-content {
        gap: 60px;
    }
}

/* Medium Screens (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    :root {
        --container-max-width: 960px;
    }
    
    .hero-container {
        gap: 60px;
    }
    
    .nav-menu {
        gap: 30px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small Screens (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    :root {
        --container-max-width: 720px;
        --section-padding: 80px 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 80px !important;
        padding-right: 0 !important;
    }
    
    .timeline-marker {
        left: 20px !important;
        right: auto !important;
    }
    
    .experience-timeline::before {
        left: 50px;
    }
    
    .timeline-content::before {
        left: -11px !important;
        right: auto !important;
        border-right: none !important;
        border-top: none !important;
        border-left: 1px solid var(--border-color) !important;
        border-bottom: 1px solid var(--border-color) !important;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--card-bg);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 50px 0;
        gap: 30px;
        transition: left var(--transition-normal);
        border-top: 1px solid var(--border-color);
        box-shadow: var(--shadow-medium);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
}

/* Extra Small Screens (576px - 767px) */
@media (min-width: 576px) and (max-width: 767px) {
    :root {
        --container-max-width: 540px;
        --section-padding: 70px 0;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .image-container {
        width: 280px;
        height: 280px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .project-filters {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .timeline-item {
        padding-left: 70px !important;
    }
    
    .timeline-marker {
        left: 15px !important;
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
    
    .experience-timeline::before {
        left: 40px;
    }
}

/* Mobile First (up to 575px) */
@media (max-width: 575px) {
    :root {
        --section-padding: 60px 0;
        --container-padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .image-container {
        width: 220px;
        height: 220px;
    }
    
    .floating-icon {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .stat-number {
        font-size: 2.5em;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .about-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 15px;
    }
    
    .project-filters {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .contact-form {
        padding: 25px 15px;
    }
    
    .form-input {
        padding: 15px;
        font-size: 15px;
    }
    
    .timeline-item {
        padding-left: 60px !important;
    }
    
    .timeline-marker {
        left: 10px !important;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .experience-timeline::before {
        left: 30px;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .timeline-title {
        font-size: 1.1em;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-links {
        gap: 20px;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
        font-size: 18px;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-logo a {
        font-size: 24px;
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
        margin-left: 15px;
    }
}

/* Ultra Small Screens (up to 360px) */
@media (max-width: 360px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .image-container {
        width: 200px;
        height: 200px;
    }
    
    .floating-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .contact-form {
        padding: 20px 10px;
    }
    
    .skill-category {
        padding: 25px;
    }
    
    .timeline-content {
        padding: 15px;
    }
    
    .project-card .project-content {
        padding: 20px;
    }
}

/* Landscape Orientation for Tablets */
@media (orientation: landscape) and (min-height: 500px) and (max-height: 900px) {
    .hero {
        min-height: 100vh;
    }
    
    .hero-container {
        padding-top: 120px;
        padding-bottom: 40px;
    }
    
    .scroll-indicator {
        bottom: 20px;
    }
}

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

/* Dark Mode Responsive Adjustments */
@media (prefers-color-scheme: dark) {
    [data-theme="auto"] {
        --text-color: #f1f5f9;
        --text-light: #94a3b8;
        --bg-color: #0f172a;
        --bg-light: #1e293b;
        --card-bg: #1e293b;
        --border-color: #334155;
    }
}

/* Reduced Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
    .hero-bg,
    .floating-elements,
    .scroll-indicator,
    .animate-gradient,
    .animate-float,
    .animate-rotate {
        animation: none !important;
    }
    
    .parallax-element {
        transform: none !important;
    }
    
    .btn::before {
        transition: none;
    }
    
    .project-card:hover .project-image img {
        transform: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.8);
        --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.9);
        --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 1);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .project-overlay {
        background: rgba(0, 0, 0, 0.9);
    }
}

/* Touch Device Optimizations */
@media (pointer: coarse) {
    .nav-link {
        padding: 15px 0;
    }
    
    .btn {
        min-height: 44px;
        padding: 12px 30px;
    }
    
    .social-link {
        width: 55px;
        height: 55px;
    }
    
    .back-to-top {
        width: 55px;
        height: 55px;
    }
    
    .filter-btn {
        min-height: 44px;
        padding: 12px 25px;
    }
    
    .form-input {
        min-height: 50px;
        padding: 15px;
    }
    
    .theme-toggle {
        width: 50px;
        height: 50px;
    }
}

/* Hover Capable Devices */
@media (hover: hover) {
    .project-card:hover {
        transform: translateY(-10px);
    }
    
    .skill-item:hover {
        background: var(--primary-color);
        color: white;
    }
    
    .contact-item:hover {
        transform: translateY(-5px);
    }
}

/* Print Styles for Different Paper Sizes */
@media print {
    @page {
        margin: 2cm;
        size: A4;
    }
    
    .navbar,
    .back-to-top,
    .scroll-indicator,
    .floating-elements,
    .project-overlay,
    .theme-toggle {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        min-height: auto;
        page-break-after: always;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .section-title {
        font-size: 24pt;
        margin-bottom: 15pt;
    }
    
    .section-subtitle {
        font-size: 14pt;
    }
    
    section {
        padding: 20pt 0;
        page-break-inside: avoid;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card {
        break-inside: avoid;
        margin-bottom: 20pt;
    }
    
    .timeline-item {
        break-inside: avoid;
        margin-bottom: 20pt;
    }
}

/* Container Queries (for supported browsers) */
@supports (container-type: inline-size) {
    .card-container {
        container-type: inline-size;
    }
    
    @container (max-width: 300px) {
        .project-card .project-content {
            padding: 15px;
        }
        
        .project-title {
            font-size: 1.1em;
        }
    }
    
    @container (min-width: 500px) {
        .skill-category .skills-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
}

/* Flexible Grid System */
.grid-auto-fit {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--grid-gap, 30px);
}

.grid-auto-fill {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--grid-gap, 30px);
}

/* Responsive Typography Scale */
.responsive-text {
    font-size: clamp(1rem, 4vw, 2rem);
}

.responsive-heading {
    font-size: clamp(1.5rem, 6vw, 4rem);
}

.responsive-subheading {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
}