/* Mobile First Responsive Design */

/* Breakpoints */
/* 
  xs: 0px and up (default)
  sm: 576px and up
  md: 768px and up
  lg: 992px and up
  xl: 1200px and up
  xxl: 1400px and up
*/

/* Small devices (landscape phones, 576px and up) */
@media (max-width: 575.98px) {
    /* Typography adjustments for small screens */
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-3xl: 2rem;
        --spacing-2xl: 1.5rem;
    }
    
    /* Container adjustments */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Navigation - Mobile */
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-bg-primary);
        border-top: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all var(--transition-normal);
        box-shadow: var(--shadow-lg);
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid var(--color-border-light);
    }
    
    .nav-item:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        padding: var(--spacing-md);
        font-size: var(--font-size-lg);
    }
    
    /* Dropdown adjustments for mobile */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        box-shadow: none;
        background: var(--color-bg-secondary);
        border-radius: 0;
        margin-top: var(--spacing-sm);
        padding: 0;
    }
    
    .dropdown-menu a {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    /* Hero section mobile */
    .hero {
        padding: var(--spacing-2xl) 0;
        min-height: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-actions {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* Code preview mobile */
    .code-preview {
        max-width: 100%;
    }
    
    .code-content {
        padding: var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    
    /* Grids mobile */
    .benefits-grid,
    .sections-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .path-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Cards mobile */
    .benefit-card,
    .section-card {
        padding: var(--spacing-lg);
    }
    
    /* Footer mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    /* Section padding mobile */
    section {
        padding: var(--spacing-2xl) 0;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sections-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .path-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 768px) {
    /* Hide mobile navigation toggle */
    .nav-toggle {
        display: none;
    }
    
    /* Ensure desktop navigation is visible */
    .nav-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        flex-direction: row;
        padding: 0;
        box-shadow: none;
        max-height: none;
        overflow: visible;
    }
    
    .nav-item {
        width: auto;
        border-bottom: none;
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
    }
    
    /* Restore dropdown behavior for desktop */
    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        background-color: var(--color-bg-primary);
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        border-radius: var(--radius-md);
        margin-top: 0;
        padding: var(--spacing-sm) 0;
    }
    
    .dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .dropdown-menu a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-2xl);
    }
    
    .benefits-grid,
    .sections-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .path-steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Print styles */
@media print {
    /* Hide navigation and interactive elements */
    .main-header,
    .nav-toggle,
    .theme-toggle,
    .hero-actions,
    .btn {
        display: none !important;
    }
    
    /* Adjust main content */
    .main-content {
        margin-top: 0;
    }
    
    /* Reset colors for print */
    body {
        background: white !important;
        color: black !important;
    }
    
    /* Ensure good contrast */
    h1, h2, h3, h4, h5, h6 {
        color: black !important;
    }
    
    p, li {
        color: #333 !important;
    }
    
    /* Remove shadows and borders */
    .benefit-card,
    .section-card,
    .code-preview {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
    
    /* Ensure links are visible */
    a {
        color: #007acc !important;
        text-decoration: underline !important;
    }
    
    /* Page breaks */
    section {
        page-break-inside: avoid;
        break-inside: avoid;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
        break-after: avoid;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-border-light: #333333;
    }
    
    [data-theme="dark"] {
        --color-border: #ffffff;
        --color-border-light: #cccccc;
    }
    
    .btn {
        border-width: 3px;
    }
    
    .nav-link:focus,
    .btn:focus,
    a:focus {
        outline: 3px solid currentColor;
        outline-offset: 3px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .fade-in-up {
        animation: none;
    }
}

/* Orientation specific styles */
@media (orientation: landscape) and (max-height: 600px) {
    .hero {
        padding: var(--spacing-xl) 0;
        min-height: auto;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-sm);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-md);
    }
}

/* Focus improvements for keyboard navigation */
@media (any-hover: none) {
    /* Touch devices - improve button sizing */
    .btn {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .theme-toggle {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Dark mode media query support */
@media (prefers-color-scheme: dark) {
    /* This will be overridden by the theme toggle, but provides a fallback */
    :root:not([data-theme]) {
        --color-bg-primary: #1a1a1a;
        --color-bg-secondary: #2d2d2d;
        --color-bg-tertiary: #404040;
        --color-bg-code: #2d2d2d;
        
        --color-text-primary: #ffffff;
        --color-text-secondary: #cccccc;
        --color-text-muted: #999999;
        
        --color-border: #404040;
        --color-border-light: #555555;
    }
}

/* Hover support detection */
@media (hover: hover) {
    /* Only apply hover effects on devices that support hover */
    .benefit-card:hover,
    .section-card:hover {
        transform: translateY(-5px);
    }
}

@media (hover: none) {
    /* Remove hover transforms on touch devices */
    .benefit-card:hover,
    .section-card:hover {
        transform: none;
    }
    
    /* But keep focus states */
    .benefit-card:focus,
    .section-card:focus {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }
}