/* ========================================
   Responsive Design - NotaHotel × IT Theme
======================================== */

/* Large Tablets and Small Desktops */
@media (max-width: 1024px) {
    :root {
        --spacing-xxxl: 4rem;
        --spacing-xxl: 3rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .title-main {
        font-size: 3rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    }
}

/* Tablets */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
        --spacing-xxxl: 3rem;
    }
    
    /* Navigation */
    .nav-container {
        height: 70px;
        padding: 0 var(--spacing-md);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(245, 244, 240, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-xxxl);
        gap: var(--spacing-xl);
        transition: var(--transition);
        border-right: 1px solid var(--color-border);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
        flex-direction: column;
        cursor: pointer;
        gap: 4px;
    }
    
    .bar {
        width: 24px;
        height: 3px;
        background-color: var(--color-primary);
        transition: var(--transition);
        border-radius: 2px;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero */
    .hero {
        padding-top: 70px;
    }
    
    .hero-container {
        padding: var(--spacing-xxl) var(--spacing-md);
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .title-sub {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .profile-card {
        max-width: 300px;
        margin: 0 auto;
    }
    
    /* Portfolio */
    .portfolio-container {
        padding: 0 var(--spacing-md);
    }
    
    .portfolio-title {
        font-size: 2.25rem;
    }
    
    .terminal-prompt {
        font-size: 0.85rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .portfolio-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    /* Mobile card-specific styling */
    .portfolio-card .portfolio-title {
        font-size: 1.3rem;
        line-height: 1.3;
    }
    
    .portfolio-card .portfolio-highlight {
        font-size: 1.0rem;
        padding: var(--spacing-xs);
        -webkit-line-clamp: 3;
    }
    
    .portfolio-image {
        width: 100%;
        height: 120px;
    }
    
    .portfolio-content {
        padding: var(--spacing-lg);
    }
    
    .portfolio-meta {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .portfolio-section-item {
        padding-left: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
}

/* Mobile Phones */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 1.5rem;
        --spacing-xxl: 2rem;
        --spacing-xxxl: 2rem;
    }
    
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .hero-container,
    .portfolio-container,
    .footer-container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .title-main {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .title-sub {
        font-size: 1.125rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .portfolio-title {
        font-size: 1.875rem;
    }
    
    .terminal-prompt {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-card {
        margin: 0;
    }
    
    .portfolio-header {
        padding: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .portfolio-image {
        width: 100%;
        height: 100px;
    }
    
    .portfolio-content {
        padding: var(--spacing-md);
    }
    
    .portfolio-section-item {
        padding-left: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .portfolio-section-title {
        font-size: 0.75rem;
    }
    
    .portfolio-section-content {
        font-size: 0.9rem;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* Very Small Phones */
@media (max-width: 320px) {
    .title-main {
        font-size: 1.75rem;
    }
    
    .portfolio-title {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        width: 100%;
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: none;
    }
    
    .terminal-prompt {
        font-size: 0.75rem;
        gap: 4px;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .avatar-placeholder,
    .portfolio-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #f5f4f0;
        --color-secondary: #e5e5e0;
        --color-background: #1a1a1a;
        --color-surface: #2a2a2a;
        --color-surface-secondary: #333333;
        --color-text-primary: #f5f4f0;
        --color-text-secondary: #cccccc;
        --color-text-muted: #999999;
        --color-text-inverse: #1a1a1a;
        --color-border: #444444;
        --color-border-secondary: #555555;
        --color-shadow: rgba(0, 0, 0, 0.3);
    }
    
    .navbar {
        background: rgba(26, 26, 26, 0.95);
    }
    
    .nav-menu {
        background: rgba(26, 26, 26, 0.98);
    }
    
    .hero::before {
        background: 
            radial-gradient(circle at 20% 80%, rgba(0, 212, 170, 0.05) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(0, 102, 204, 0.05) 0%, transparent 50%);
    }
    
    .portfolio-section {
        background: var(--color-surface);
    }
    
    .portfolio-image::after {
        color: var(--color-text-muted);
    }
    
    .terminal-prompt {
        background: var(--color-surface);
        border: 1px solid var(--color-border);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-down,
    .cursor {
        animation: none;
    }
    
    .btn-primary::before {
        display: none;
    }
}

/* Print Styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .navbar,
    .scroll-indicator,
    .terminal-prompt {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        page-break-after: always;
    }
    
    .portfolio-card {
        border: 1px solid #ccc !important;
        page-break-inside: avoid;
        margin-bottom: var(--spacing-lg);
    }
    
    .portfolio-section-item {
        border-left-color: #ccc !important;
    }
    
    a {
        text-decoration: underline;
    }
    
    .title-main,
    .portfolio-title {
        color: black !important;
        background: none !important;
        -webkit-text-fill-color: initial !important;
    }
}

/* Hover States for Touch Devices */
@media (hover: none) {
    .portfolio-card:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
        border-color: var(--color-border);
    }
    
    .portfolio-card:hover::before {
        transform: scaleX(0);
    }
    
    .portfolio-section-item:hover {
        border-left-color: var(--color-border);
    }
    
    .portfolio-section-item:hover::before {
        opacity: 0;
    }
    
    .btn-primary:hover {
        transform: none;
        box-shadow: var(--shadow-md);
    }
    
    .scroll-down:hover {
        background: transparent;
        color: var(--color-accent);
        transform: none;
    }
}

/* Focus improvements for keyboard navigation */
@media (prefers-reduced-motion: no-preference) {
    *:focus {
        transition: outline 0.2s ease;
    }
}

/* Large screens optimization */
@media (min-width: 1400px) {
    :root {
        --container-max-width: 1400px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .title-main {
        font-size: 4.5rem;
    }
    
    .portfolio-title {
        font-size: 3.5rem;
    }
}