/* ========================================
   Responsive Styles
   ======================================== */

/* ========================================
   Large Screens (1200px and below)
   ======================================== */
@media (max-width: 1200px) {
    :root {
        --container-padding: 1.5rem;
    }

    .skills-orbit {
        width: 500px;
        height: 500px;
    }

    .orbit-1 {
        width: 180px;
        height: 180px;
        margin: -90px 0 0 -90px;
    }

    .orbit-1 .orbit-item {
        transform: rotate(calc(360deg / var(--total) * var(--i))) translateX(90px) rotate(calc(-360deg / var(--total) * var(--i)));
    }

    .orbit-2 {
        width: 280px;
        height: 280px;
        margin: -140px 0 0 -140px;
    }

    .orbit-2 .orbit-item {
        transform: rotate(calc(360deg / var(--total) * var(--i))) translateX(140px) rotate(calc(-360deg / var(--total) * var(--i)));
    }

    .orbit-3 {
        width: 380px;
        height: 380px;
        margin: -190px 0 0 -190px;
    }

    .orbit-3 .orbit-item {
        transform: rotate(calc(360deg / var(--total) * var(--i))) translateX(190px) rotate(calc(-360deg / var(--total) * var(--i)));
    }

    .orbit-4 {
        width: 480px;
        height: 480px;
        margin: -240px 0 0 -240px;
    }

    .orbit-4 .orbit-item {
        transform: rotate(calc(360deg / var(--total) * var(--i))) translateX(240px) rotate(calc(-360deg / var(--total) * var(--i)));
    }
}

/* ========================================
   Tablets (992px and below)
   ======================================== */
@media (max-width: 992px) {
    section {
        padding: var(--space-3xl) 0;
    }

    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        border-left: 1px solid var(--color-border);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

    /* About */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }

    /* Skills */
    .skills-orbit {
        width: 350px;
        height: 350px;
        margin-bottom: var(--space-3xl);
    }

    .orbit-center {
        width: 100px;
        height: 100px;
        font-size: 0.9rem;
    }

    .orbit-item {
        width: 40px;
        height: 40px;
    }

    .orbit-item img {
        width: 22px;
        height: 22px;
    }

    .orbit-1 {
        width: 160px;
        height: 160px;
        margin: -80px 0 0 -80px;
    }

    .orbit-1 .orbit-item {
        transform: rotate(calc(360deg / var(--total) * var(--i))) translateX(80px) rotate(calc(-360deg / var(--total) * var(--i)));
    }

    .orbit-2 {
        width: 240px;
        height: 240px;
        margin: -120px 0 0 -120px;
    }

    .orbit-2 .orbit-item {
        transform: rotate(calc(360deg / var(--total) * var(--i))) translateX(120px) rotate(calc(-360deg / var(--total) * var(--i)));
    }

    .orbit-3 {
        width: 330px;
        height: 330px;
        margin: -165px 0 0 -165px;
    }

    .orbit-3 .orbit-item {
        transform: rotate(calc(360deg / var(--total) * var(--i))) translateX(165px) rotate(calc(-360deg / var(--total) * var(--i)));
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    /* Projects */
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   Small Tablets (768px and below)
   ======================================== */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    section {
        padding: var(--space-2xl) 0;
    }

    /* Hero */
    .hero {
        padding-top: 60px;
    }

    .hero-title {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-stats {
        gap: var(--space-xl);
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .scroll-indicator {
        display: none;
    }

    /* Section Headers */
    .section-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }

    /* Skills Orbit - Hide on small tablets */
    .skills-orbit {
        display: none;
    }

    /* Timeline */
    .timeline {
        padding-left: var(--space-xl);
    }

    .timeline-marker {
        left: calc(-1 * var(--space-xl) - 6px);
    }

    .timeline-content {
        padding: var(--space-lg);
    }

    .timeline-title {
        font-size: 1.1rem;
    }

    /* Certifications */
    .cert-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }

    .cert-item {
        width: 100%;
    }

    /* Blog */
    .blog-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .social-links {
        justify-content: center;
    }
}

/* ========================================
   Mobile Phones (576px and below)
   ======================================== */
@media (max-width: 576px) {
    :root {
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
    }

    /* Navigation */
    .nav-menu {
        width: 100%;
        max-width: none;
    }

    .navbar.scrolled {
        padding: var(--space-sm) 0;
    }

    .nav-logo {
        font-size: 1.25rem;
    }

    /* Hero */
    .hero-badge {
        font-size: 0.75rem;
        padding: var(--space-xs) var(--space-md);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .stat-item {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
    }

    .stat-label {
        margin-top: 0;
    }

    /* About */
    .about-image {
        max-width: 280px;
    }

    .experience-badge {
        bottom: -10px;
        right: -10px;
        padding: var(--space-md);
    }

    .exp-number {
        font-size: 1.75rem;
    }

    .image-placeholder .initials {
        font-size: 4rem;
    }

    .about-intro {
        font-size: 1.1rem;
    }

    /* Skills */
    .skill-category {
        padding: var(--space-lg);
    }

    .category-title {
        font-size: 1rem;
    }

    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-filters {
        gap: var(--space-sm);
    }

    .filter-btn {
        padding: var(--space-xs) var(--space-md);
        font-size: 0.8rem;
    }

    .project-content {
        padding: var(--space-md);
    }

    .project-title {
        font-size: 1.1rem;
    }

    .project-tech span {
        font-size: 0.7rem;
    }

    /* Timeline */
    .timeline-details li {
        font-size: 0.9rem;
    }

    /* Contact */
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .contact-icon {
        width: 40px;
        height: 40px;
    }

    .social-link {
        width: 45px;
        height: 45px;
    }

    /* Footer */
    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-md);
    }
}

/* ========================================
   Extra Small Phones (400px and below)
   ======================================== */
@media (max-width: 400px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.85rem;
    }

    .section-tag {
        font-size: 0.7rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .about-image {
        max-width: 240px;
    }

    .timeline-content:hover {
        transform: none;
    }

    .project-card:hover {
        transform: translateY(-5px);
    }
}

/* ========================================
   Landscape Mobile
   ======================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--space-4xl) 0;
    }

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .scroll-indicator {
        display: none;
    }
}

/* ========================================
   High DPI / Retina Displays
   ======================================== */
@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
    .hero-bg-elements .floating-shape {
        filter: blur(60px);
    }
}

/* ========================================
   Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .orbit {
        animation: none;
    }

    .orbit-item {
        animation: none;
    }

    .floating-shape {
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .navbar,
    .cursor,
    .cursor-follower,
    .loader,
    .scroll-indicator,
    .hero-bg-elements,
    #hero-canvas,
    .skills-orbit {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    section {
        page-break-inside: avoid;
    }

    a {
        text-decoration: underline;
    }

    .btn {
        border: 1px solid black;
    }
}

/* ========================================
   Dark Mode Toggle (if implemented)
   ======================================== */
@media (prefers-color-scheme: light) {
    /* Uncomment to enable light mode support
    :root {
        --color-bg: #ffffff;
        --color-bg-secondary: #f8fafc;
        --color-bg-tertiary: #f1f5f9;
        --color-text: #0f172a;
        --color-text-secondary: #475569;
        --color-text-muted: #94a3b8;
        --color-border: rgba(0, 0, 0, 0.1);
    }
    */
}

/* ========================================
   Touch Device Optimizations
   ======================================== */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects that don't work on touch */
    .project-overlay {
        opacity: 1;
        background: rgba(99, 102, 241, 0.7);
    }

    .project-link {
        transform: translateY(0);
        opacity: 1;
    }

    .magnetic {
        transition: none;
    }

    /* Make touch targets larger */
    .nav-link {
        padding: var(--space-sm);
    }

    .filter-btn {
        padding: var(--space-sm) var(--space-lg);
    }

    .social-link {
        width: 54px;
        height: 54px;
    }
}

/* ========================================
   Focus Visible for Keyboard Navigation
   ======================================== */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
    outline: none;
}