/* ============================================
   GTA 5 Mobile APK - Optimized CSS
   Mobile-First, Fast Loading, SEO-Friendly
   ============================================ */

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colors */
    --primary-color: #ff6b00;
    --primary-dark: #e55a00;
    --secondary-color: #007bff;
    --secondary-dark: #0056b3;
    --bg-color: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --text-color: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --border-color: #333333;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --error-color: #dc3545;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
}

/* Base Styles */
html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    /* Prevent layout shift by reserving space */
    display: flex;
    flex-direction: column;
    /* Reserve initial space to prevent body shift */
    min-width: 320px;
    /* Prevent layout shift from background image loading */
    background-image: url('assets/images/gta5-wallpaper.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    /* Reserve space immediately - prevents shift when ::before loads */
    will-change: auto;
}

/* GTA 5 Wallpaper Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/images/gta5-wallpaper.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    z-index: -2;
    /* Fallback for mobile devices */
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    /* Fallback color if image doesn't load */
    background-color: var(--bg-color);
    /* Prevent layout shift - reserve space immediately */
    will-change: transform;
    transform: translateZ(0);
    /* Ensure background doesn't cause body shift */
    opacity: 1;
    visibility: visible;
    /* Prevent repaints */
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Dark overlay for text readability */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.75);
    z-index: -1;
    pointer-events: none;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--text-color);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1000;
    border-radius: 4px;
}

.skip-link:focus {
    top: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    /* Prevent user agent font size adjustments - fixes deprecated API warning */
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

h1 { 
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    /* Explicitly prevent user agent font size adjustments in sections */
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
h2 { 
    font-size: clamp(1.5rem, 4vw, 2rem);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
h3 { 
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
h4 { 
    font-size: clamp(1.1rem, 2.5vw, 1.25rem);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover, a:focus {
    color: var(--primary-dark);
    text-decoration: underline;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Prevent layout shift - images with width/height will maintain aspect ratio */
img[width][height] {
    height: auto;
}

/* Responsive Images */
.content-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: var(--spacing-md) auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    object-fit: contain;
}

.image-container {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.image-credit {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-style: italic;
}

.image-credit a {
    color: var(--primary-color);
    text-decoration: none;
}

.image-credit a:hover {
    text-decoration: underline;
}

.image-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.image-grid img:hover {
    transform: scale(1.02);
}

/* Image Carousel */
.image-carousel-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: var(--spacing-lg) auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 3;
    min-height: 400px;
    background-color: rgba(26, 26, 26, 0.8);
}

.image-carousel {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.carousel-slide.active {
    display: block;
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    max-width: 900px;
    display: block;
    border-radius: 12px;
    object-fit: cover;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-color);
    border: 2px solid var(--primary-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-base);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.carousel-arrow:hover {
    background: var(--primary-color);
    color: var(--text-color);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.5);
}

.carousel-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-prev {
    left: 15px;
}

.carousel-next {
    right: 15px;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: rgba(26, 26, 26, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.carousel-indicator:hover {
    background: rgba(255, 107, 0, 0.5);
    transform: scale(1.2);
}

.carousel-indicator.active {
    background: var(--primary-color);
    transform: scale(1.3);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Header */
.header {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    min-height: 60px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    min-height: 60px;
}

.logo-image {
    height: 40px;
    width: 200px;
    max-width: 200px;
    object-fit: contain;
    aspect-ratio: 5 / 1;
    display: block;
    /* Reserve space to prevent layout shift */
    min-width: 200px;
    min-height: 40px;
}

.logo-text {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin: 0;
    color: var(--primary-color);
}

.logo {
    /* Reserve space to prevent layout shift */
    min-width: 200px;
    min-height: 40px;
    display: flex;
    align-items: center;
}

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
    /* Reserve space for logo image */
    min-width: 200px;
    min-height: 40px;
}

.logo a:hover {
    text-decoration: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 101;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--text-color);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Navigation */
.nav {
    display: none;
}

.nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.nav ul {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm) 0;
}

.nav li {
    margin: 0;
}

.nav a {
    display: block;
    padding: var(--spacing-sm) var(--container-padding);
    color: var(--text-color);
    transition: background var(--transition-fast);
}

.nav a:hover {
    background: var(--bg-color);
    text-decoration: none;
}

/* Hero Section */
.hero {
    background: rgba(26, 26, 26, 0.4);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 107, 0, 0.2);
    /* Reserve space to prevent layout shift */
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    /* Reserve space to prevent layout shift */
    width: 100%;
    max-width: 100%;
}

.hero-title {
    font-size: clamp(1.75rem, 6vw, 3rem);
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    /* Reserve space to prevent shift */
    min-height: 2.5em;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    /* Reserve space to prevent shift and reduce rendering delay */
    min-height: 4.5em;
    line-height: 1.5;
    /* Optimize rendering performance */
    contain: layout style;
    will-change: contents;
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    min-height: 100px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1.5;
    min-height: 44px;
    box-sizing: border-box;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-color);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: var(--text-color);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: var(--text-color);
}

/* Download Buttons - Matching gta5apk.net style */
.btn-download-apk {
    background: linear-gradient(135deg, #3ddc84 0%, #2ab865 100%);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-download-apk:hover {
    background: linear-gradient(135deg, #2ab865 0%, #1fa855 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(61, 220, 132, 0.4);
    text-decoration: none;
    color: #ffffff;
}

.btn-download-ios {
    background: linear-gradient(135deg, #000000 0%, #333333 100%);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-download-ios:hover {
    background: linear-gradient(135deg, #333333 0%, #1a1a1a 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    text-decoration: none;
    color: #ffffff;
}

.btn-icon {
    font-size: 1.2em;
    display: inline-block;
}

.btn-text {
    display: inline-block;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    min-width: 200px;
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
    /* Prevent layout shift by reserving minimum space */
    min-height: 200px;
    content-visibility: auto;
    contain-intrinsic-size: auto 200px;
    /* Prevent user agent font size adjustments - fixes deprecated API warning */
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--primary-color);
    /* Reserve space to prevent shift */
    min-height: 2.5em;
}

.section-intro {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    /* Reserve space to prevent shift - estimate based on typical content */
    min-height: 8em;
    line-height: 1.6;
    /* Optimize rendering */
    will-change: contents;
    /* Prevent layout shift during text rendering */
    display: block;
}

/* Reduce spacing for section-intro in install-section */
.install-section .section-intro {
    margin-bottom: var(--spacing-sm) !important;
}

/* Main Content */
main {
    position: relative;
    z-index: 1;
    /* Prevent layout shift */
    min-height: 100vh;
}

/* Install Section - Reserve space to prevent CLS */
.install-section {
    /* Prevent layout shift - reserve exact space */
    min-height: 0;
    content-visibility: auto;
    contain-intrinsic-size: auto 700px;
    /* Prevent layout shift during content load */
    display: flex;
    flex-direction: column;
    /* Reserve space for all child elements */
    position: relative;
    /* Reduce padding to minimize gaps above and below */
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    /* Prevent cumulative layout shift */
    contain: layout style paint;
}

/* Remove gap between install-steps and download-buttons */
.install-section .install-steps {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

.install-section .install-steps + .download-buttons {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.install-section .container > .install-steps + .download-buttons {
    margin-top: -7rem !important;
    margin-bottom: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    position: relative;
    top: -5rem;
}

/* Ensure no gap in install section container */
.install-section .container {
    display: flex;
    flex-direction: column;
    gap: 0 !important;
}

.install-section .container > * {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

.install-section .container > .install-steps {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

.install-section .container > .download-buttons {
    margin-top: -7rem !important;
    margin-bottom: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    position: relative;
    top: -5rem;
}

/* Install Steps */
.install-steps {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
    /* Reserve space to prevent shift - but don't create visual gap */
    min-height: auto;
    /* Prevent layout shift during grid rendering - use explicit rows */
    grid-template-rows: repeat(3, minmax(150px, auto));
    /* Remove any bottom spacing */
    align-content: start;
    /* Prevent cumulative layout shift */
    contain: layout style;
}

.step-card {
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    position: relative;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    /* Reserve space to prevent layout shift */
    min-height: 150px;
    display: flex;
    flex-direction: column;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -15px;
    left: var(--spacing-md);
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-card h3 {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    /* Reserve space to prevent layout shift */
    min-height: auto;
}

.download-buttons-large {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    margin-top: var(--spacing-lg);
}

/* Quick Answer Box for AI */
.quick-answer-box {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid var(--primary-color);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.fact-item {
    padding: var(--spacing-sm);
    background: rgba(255, 107, 0, 0.1);
    border-left: 3px solid var(--primary-color);
    border-radius: 6px;
    color: var(--text-secondary);
}

.fact-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: var(--spacing-xs);
}

/* Feature Box */
.feature-box {
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-radius: 8px;
}

.stats-box {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.stats-box h3,
.stats-box p {
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.definition-box {
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--secondary-color);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-radius: 8px;
}

.definition-box h3 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.definition-box strong {
    color: var(--primary-color);
}

/* Requirements Grid */
.requirements-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.requirement-card {
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.requirement-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.requirement-card h4 {
    color: var(--primary-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
    font-weight: 600;
}

.requirement-card p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

.requirement-card ul {
    list-style: disc;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.requirement-card li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    line-height: 1.6;
}

.requirement-card li strong {
    color: var(--text-color);
    font-weight: 600;
}

.requirement-card .note {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 107, 0, 0.1);
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
}

/* Privacy Policy & About Us Sections */
.privacy-section ul,
.about-section ul {
    list-style: disc;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.privacy-section li,
.about-section li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.privacy-section h3,
.about-section h3 {
    color: var(--primary-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

/* Footer */
.footer {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--text-secondary);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-color);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 99;
    box-shadow: var(--shadow-md);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Mobile-specific background optimizations */
@media (max-width: 767px) {
    body::before {
        background-attachment: scroll;
        /* Better performance on mobile */
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
    
    body::after {
        background: rgba(10, 10, 10, 0.8);
    }
    
    .content-image,
    .image-grid img {
        border-radius: 8px;
        margin: var(--spacing-sm) 0;
    }
    
    .image-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .carousel-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .carousel-prev {
        left: 10px;
    }
    
    .carousel-next {
        right: 10px;
    }
    
    .carousel-indicators {
        padding: var(--spacing-sm);
    }
    
    /* Fix download buttons spacing on mobile - prevent overlap with step 3 */
    .install-section .container > .install-steps + .download-buttons,
    .install-section .container > .download-buttons {
        margin-top: var(--spacing-md) !important;
        top: 0 !important;
        position: static !important;
    }
    
    .install-section .install-steps + .download-buttons {
        margin-top: var(--spacing-md) !important;
        top: 0 !important;
        position: static !important;
    }
    
    .download-buttons {
        margin-top: var(--spacing-md) !important;
        margin-bottom: var(--spacing-md) !important;
    }
}

/* Responsive Design - Tablet */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    .nav {
        display: block;
        position: static;
        background: transparent;
        border: none;
        box-shadow: none;
    }
    
    .nav ul {
        flex-direction: row;
        gap: var(--spacing-md);
        padding: 0;
    }
    
    .nav a {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .install-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .download-buttons,
    .download-buttons-large {
        flex-direction: row;
        justify-content: center;
    }
    
    .requirements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .facts-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Responsive Design - Desktop */
@media (min-width: 1024px) {
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero {
        padding: calc(var(--spacing-xl) * 1.5) 0;
    }
    
    .step-card {
        padding: var(--spacing-lg);
    }
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Print Styles */
@media print {
    body::before,
    body::after {
        display: none;
    }
    
    .header,
    .footer,
    .scroll-top,
    .mobile-menu-toggle,
    .hero-buttons,
    .download-buttons,
    .download-buttons-large {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    h1, h2, h3, h4, h5, h6,
    p {
        text-shadow: none;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Focus Styles for Accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Blog Styles */
.blog-section {
    padding: var(--spacing-lg) 0;
}

.blog-posts {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.blog-post {
    background: rgba(26, 26, 26, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-post:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(255, 107, 0, 0.2);
}

.blog-post-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.blog-post-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.blog-post-meta time {
    color: var(--text-muted);
}

.blog-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 107, 0, 0.2);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-post-content {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.blog-post-content p {
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.blog-post-content strong {
    color: var(--text-color);
    font-weight: 600;
}

.blog-post-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    flex-wrap: wrap;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

@media (max-width: 767px) {
    .blog-post {
        padding: var(--spacing-md);
    }
    
    .blog-post-title {
        font-size: 1.5rem;
    }
    
    .blog-post-meta {
        font-size: 0.85rem;
    }
    
    .blog-pagination {
        flex-direction: column;
    }
}

/* Article Page Styles */
.article-section {
    padding: var(--spacing-lg) 0;
}

.article-content {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(26, 26, 26, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.breadcrumb {
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 var(--spacing-xs);
    color: var(--text-muted);
}

.article-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.article-meta time {
    color: var(--text-muted);
}

.article-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 107, 0, 0.2);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--primary-color);
    line-height: 1.2;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.article-body {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.1rem;
}

.article-lead {
    font-size: 1.3rem;
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.article-body h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    color: var(--primary-color);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.article-body h3 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    color: var(--text-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.article-body p {
    margin-bottom: var(--spacing-md);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.article-body strong {
    color: var(--text-color);
    font-weight: 600;
}

.article-body ul,
.article-body ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
}

.article-body li {
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.article-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.article-tags {
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.article-tags span {
    color: var(--text-muted);
    margin-right: var(--spacing-sm);
}

.article-tags a {
    color: var(--primary-color);
    text-decoration: none;
    margin-right: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.article-tags a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.article-navigation {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

@media (max-width: 767px) {
    .article-content {
        padding: var(--spacing-md);
    }
    
    .article-title {
        font-size: 1.75rem;
    }
    
    .article-lead {
        font-size: 1.1rem;
    }
    
    .article-body {
        font-size: 1rem;
    }
    
    .article-body h2 {
        font-size: 1.5rem;
    }
}