/* Responsive Design */

/* Mobile First Approach */

/* Small screens (480px and up) */
@media (min-width: 480px) {
    .hero-buttons {
        justify-content: center;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Medium screens (640px and up) */
@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-6);
    }
    
    .hero-content {
        padding: 0 var(--space-8);
    }
    
    .title-line {
        font-size: var(--fs-3xl);
    }
    
    .title-highlight {
        font-size: var(--fs-7xl);
    }
    
    .hero-description {
        font-size: var(--fs-xl);
    }
    
    .section-title {
        font-size: var(--fs-4xl);
    }
    
    .about-stats {
        padding: var(--space-6);
    }
    
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-card.featured {
        grid-column: 1 / -1;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large screens (768px and up) */
@media (min-width: 768px) {
    .nav-container {
        padding: var(--space-4) var(--space-8);
    }
    
    .hero {
        min-height: 100vh;
    }
    
    .hero-content {
        padding: 0 var(--space-10);
    }
    
    .section-title {
        font-size: var(--fs-5xl);
    }
    
    .section-subtitle {
        font-size: var(--fs-xl);
    }
    
    .about-img {
        height: 450px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .blog-grid {
        grid-template-columns: 2fr 1fr;
        grid-template-rows: auto auto;
    }
    
    .blog-card.featured {
        grid-row: 1 / 3;
        grid-column: 1;
    }
    
    .contact-form {
        padding: var(--space-10);
    }
    
    .footer-content {
        grid-template-columns: 1fr 2fr 1fr;
    }
}

/* Extra large screens (1024px and up) */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
    
    .nav-menu {
        position: static;
        height: auto;
        background: transparent;
        flex-direction: row;
        padding-top: 0;
        gap: var(--space-8);
        box-shadow: none;
        transform: none;
    }
    
    .nav-toggle {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-20);
        padding: 0 var(--space-12);
    }
    
    .hero-text {
        text-align: left;
    }
    
    .hero-description {
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero-buttons {
        justify-content: flex-start;
    }
    
    .hero-image {
        order: 0;
        justify-content: flex-end;
    }
    
    .title-highlight {
        font-size: var(--fs-8xl);
    }
    
    .about-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-20);
    }
    
    .about-img {
        height: 500px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: 2fr 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-20);
    }
}

/* XXL screens (1280px and up) */
@media (min-width: 1280px) {
    .hero-content {
        padding: 0 var(--space-16);
    }
    
    .title-highlight {
        font-size: var(--fs-9xl);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .about-img {
        height: 550px;
    }
}

/* 2XL screens (1536px and up) */
@media (min-width: 1536px) {
    .hero-content {
        padding: 0 var(--space-20);
    }
    
    .container {
        max-width: var(--container-2xl);
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-img,
    .about-img,
    .portfolio-item img,
    .blog-card img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 1023px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding-top: 60px;
    }
    
    .hero-content {
        gap: var(--space-12);
    }
    
    .hero-img {
        height: 300px;
    }
    
    .about-img {
        height: 300px;
    }
}

/* Print styles */
@media print {
    .navbar,
    .hero-video,
    .scroll-indicator,
    .back-to-top,
    .loading-screen,
    .portfolio-filters,
    .contact-form {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding-top: 0;
    }
    
    .hero-background {
        display: none;
    }
    
    .section-header {
        break-after: avoid;
    }
    
    .portfolio-item,
    .blog-card {
        break-inside: avoid;
    }
    
    .footer {
        background: transparent;
        color: var(--text-primary);
    }
    
    a::after {
        content: " (" attr(href) ")";
        font-size: smaller;
    }
    
    .nav-link::after,
    .social-link::after,
    .blog-read-more::after {
        content: none;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .hero-video {
        display: none;
    }
    
    .image-decoration {
        animation: none;
    }
    
    .scroll-indicator {
        animation: none;
    }
    
    .paw-loader {
        animation: none;
    }
    
    .title-highlight {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #ffffff;
        --bg-secondary: #f0f0f0;
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-primary: #000000;
        --accent-primary: #0066cc;
    }
    
    .btn-primary {
        background: #000000;
        border-color: #000000;
    }
    
    .btn-secondary,
    .btn-outline {
        border-color: #000000;
        color: #000000;
    }
    
    .navbar {
        background: #ffffff;
        border-bottom-color: #000000;
    }
    
    .portfolio-overlay,
    .hero-overlay {
        background: rgba(0, 0, 0, 0.9);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        padding: var(--space-4) var(--space-6);
    }
    
    .nav-link {
        padding: var(--space-3) var(--space-4);
    }
    
    .social-link {
        width: 44px;
        height: 44px;
    }
    
    .filter-btn {
        min-height: 44px;
        padding: var(--space-3) var(--space-5);
    }
    
    input,
    textarea,
    select {
        min-height: 44px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Remove hover effects on touch devices */
    .card:hover,
    .portfolio-item:hover,
    .blog-card:hover,
    .btn:hover {
        transform: none;
    }
    
    .portfolio-overlay {
        opacity: 1;
        background: rgba(0, 0, 0, 0.5);
    }
}

/* Large touch targets for accessibility */
@media (pointer: coarse) {
    .back-to-top {
        width: 56px;
        height: 56px;
        bottom: var(--space-8);
        right: var(--space-8);
    }
    
    .nav-toggle {
        padding: var(--space-3);
    }
}

/* Retina/High DPI displays */
@media only screen and (-webkit-min-device-pixel-ratio: 2),
       only screen and (min--moz-device-pixel-ratio: 2),
       only screen and (-o-min-device-pixel-ratio: 2/1),
       only screen and (min-device-pixel-ratio: 2),
       only screen and (min-resolution: 192dpi),
       only screen and (min-resolution: 2dppx) {
    
    .logo-img,
    .footer-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: optimize-contrast;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(17, 24, 39, 0.95);
        border-bottom-color: var(--gray-700);
    }
    
    .hero-overlay {
        background: linear-gradient(135deg, rgba(17, 24, 39, 0.8), rgba(31, 41, 55, 0.8));
    }
    
    .about-stats {
        background: rgba(31, 41, 55, 0.95);
    }
    
    .contact-form {
        background: var(--gray-800);
    }
    
    .card,
    .blog-card {
        background: var(--gray-800);
        border-color: var(--gray-700);
    }
}