/* ===================================
   Next Gen AI Games - CSS Design System
   =================================== */

/* === CSS Custom Properties === */
:root {
    /* Colors - Light Theme */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #8b5cf6;
    --color-accent: #06b6d4;
    --color-accent-pink: #ec4899;

    --color-bg: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;
    --color-surface: #ffffff;
    --color-surface-glass: rgba(255, 255, 255, 0.7);

    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-tertiary: #64748b;

    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Dark Theme */
.dark-theme {
    --color-bg: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-surface: #1e293b;
    --color-surface-glass: rgba(30, 41, 59, 0.7);

    --color-text: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;

    --color-border: #334155;
    --color-border-light: #475569;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

/* === Base Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--color-primary-dark);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* === Utility Classes === */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === Header/Navigation === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--color-surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.nav-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text);
    transition: transform var(--transition-fast);
}

.nav-logo a:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: var(--font-size-2xl);
}

.nav-menu {
    flex: 1;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    position: relative;
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.search-container {
    position: relative;
}

.search-input {
    width: 200px;
    padding: var(--spacing-xs) var(--spacing-md);
    padding-right: 2.5rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    width: 250px;
}

.search-icon {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.theme-toggle,
.user-profile {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    transition: all var(--transition-fast);
}

.theme-toggle:hover,
.user-profile:hover {
    background: var(--color-bg-tertiary);
    transform: scale(1.1);
}

.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    display: block;
}

/* === Hero Section === */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-md);
    overflow: hidden;
    background: var(--gradient-hero);
}

.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    color: #ffffff;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
    opacity: 0;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
    z-index: 2;
}

.scroll-arrow {
    font-size: var(--font-size-2xl);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-secondary {
    background: var(--color-surface-glass);
    color: var(--color-text);
    border: 2px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-icon {
    font-size: var(--font-size-lg);
}

/* === Blog Gradient Placeholders === */
.blog-image-placeholder {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.blog-grad-1 {
    background: linear-gradient(45deg, #FF6B6B, #556270);
}

.blog-grad-2 {
    background: linear-gradient(45deg, #4ECDC4, #556270);
}

.blog-grad-3 {
    background: linear-gradient(45deg, #C7F464, #556270);
}

/* === Blog Modal === */
.blog-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.98);
    z-index: 2000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    overflow-y: auto;
    padding: 20px;
}

.blog-modal.active {
    display: flex;
    opacity: 1;
}

.blog-modal-content {
    background: var(--color-surface);
    width: 100%;
    max-width: 800px;
    margin: auto;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    position: relative;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.blog-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.blog-modal-close:hover {
    background: #ef4444;
    transform: rotate(90deg);
}

.blog-modal-body h2 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 20px;
}

.blog-modal-body p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* === Section Headers === */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* === Features Section === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-surface-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.feature-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* === Games Section === */
.game-filters {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.game-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.game-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary);
}

.game-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--gradient-primary);
}

.game-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.game-card:hover .game-image img {
    transform: scale(1.1);
}

.game-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
}

.game-content {
    padding: var(--spacing-lg);
}

.game-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.game-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    color: #fbbf24;
}

.game-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.game-play-btn {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--gradient-primary);
    color: #ffffff;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.game-play-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.load-more-container {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* === Technology Section === */
.technology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.tech-card {
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
}

.tech-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.tech-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.tech-description {
    line-height: 1.7;
    opacity: 0.9;
}

.tech-card:hover .tech-description {
    color: rgba(255, 255, 255, 0.95);
}

/* === Testimonials Section === */
.testimonials-section {
    background: var(--color-bg-secondary);
}

.testimonials-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.carousel-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-card {
    min-width: 100%;
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    text-align: center;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-md);
    border: 3px solid var(--color-primary);
}

.testimonial-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.testimonial-location {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.testimonial-rating {
    color: #fbbf24;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.testimonial-game {
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--color-surface-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-3xl);
    color: var(--color-text);
    transition: all var(--transition-fast);
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: #ffffff;
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn-prev {
    left: -25px;
}

.carousel-btn-next {
    right: -25px;
}

.carousel-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.carousel-dot {
    width: 10px;
    height: 10px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active {
    width: 30px;
    background: var(--color-primary);
}

/* === Blog Section === */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.blog-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.blog-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--gradient-secondary);
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-content {
    padding: var(--spacing-lg);
}

.blog-date {
    display: inline-block;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.blog-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.blog-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: gap var(--transition-fast);
}

.blog-link:hover {
    gap: var(--spacing-sm);
}

/* === Newsletter Section === */
.newsletter-section {
    background: var(--gradient-primary);
    color: #ffffff;
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-title {
    font-size: var(--font-size-4xl);
    color: #ffffff;
    margin-bottom: var(--spacing-md);
}

.newsletter-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.newsletter-form {
    width: 100%;
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.newsletter-input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    color: #ffffff;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.newsletter-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: #ffffff;
    color: var(--color-primary);
    white-space: nowrap;
}

.newsletter-btn:hover {
    background: var(--color-bg-secondary);
}

.form-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox a {
    color: #ffffff;
    text-decoration: underline;
}

.form-message {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

.form-message.success {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.5);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.5);
}

/* === Footer === */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xl);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-4px);
}

.footer-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.copyright {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

/* === Modal === */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-size: var(--font-size-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: rotate(90deg);
}

.game-container {
    width: 100%;
    height: 80vh;
}

.game-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(50px) scale(0.95);
        opacity: 0;
    }

    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* === Testimonials Section (Premium PRD) === */
.testimonials-section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    background: linear-gradient(to bottom, #0f172a, #020617);
    overflow: hidden;
}

/* Trust Indicators */
.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.trust-badge {
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: #94a3b8;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 8px;
}

.trust-badge strong {
    color: var(--color-primary-light);
}

.testimonials-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.testimonial-card {
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 1px solid rgba(0, 245, 212, 0.1);
    border-radius: 16px;
    padding: 25px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 245, 212, 0.1);
    border-color: rgba(0, 245, 212, 0.3);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* CSS Avatars */
.testimonial-avatar-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.verified-badge {
    position: absolute;
    bottom: -2px;
    right: -2px;
    background: #00f5d4;
    color: #0f172a;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    border: 2px solid #1e293b;
}

.testimonial-info {
    flex: 1;
}

.info-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

.info-top h4 {
    color: white;
    font-size: 1.1rem;
    margin: 0;
    font-weight: 600;
}

.country-flag {
    font-size: 0.9rem;
    color: #94a3b8;
}

.testimonial-rating {
    color: #00f5d4;
    font-size: 1rem;
}

.game-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 245, 212, 0.1);
    color: #00f5d4;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 15px;
    align-self: flex-start;
}

.testimonial-quote {
    font-style: normal;
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
    font-size: 0.95rem;
}

.testimonial-footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #64748b;
    padding-top: 15px;
    border-top: 1px dashed rgba(255, 255, 255, 0.05);
}

.device-info {
    display: flex;
    items-center;
    gap: 5px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    padding: 20px;
}

.blog-card {
    background: var(--color-surface);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary);
}

.blog-image {
    height: 240px;
    width: 100%;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-date {
    font-size: 0.85rem;
    color: var(--color-primary-light);
    margin-bottom: 10px;
    font-weight: 600;
}

.blog-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    line-height: 1.3;
    color: var(--color-text);
}

.blog-excerpt {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.blog-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap 0.2s;
}

.blog-link:hover {
    gap: 10px;
    color: var(--color-primary-light);
}

/* === Footer Enhancement === */
.footer {
    border-top: 1px solid var(--color-border);
    background: #0b1120;
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* === CSS Avatars (Modern & Professional) === */
.testimonial-avatar-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* === Simple Footer === */
.footer-content-simple {
    text-align: center;
    padding: 20px 0;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
}

.footer-links-simple {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.footer-links-simple a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

.footer-content-simple .copyright {
    color: var(--color-text-tertiary);
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.ad-container {
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px auto;
    overflow: hidden;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 8px;
}

.ad-header {
    width: 100%;
    max-width: 728px;
    height: 90px;
}

.ad-sidebar {
    width: 300px;
    height: 250px;
}

.ad-footer {
    width: 100%;
    max-width: 970px;
    height: 250px;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .ad-header {
        height: 60px;
        max-width: 320px;
    }

    .ad-sidebar {
        margin: 10px auto;
    }

    .ad-footer {
        height: 250px;
        max-width: 300px;
    }
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .search-input {
        width: 150px;
    }

    .search-input:focus {
        width: 180px;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --spacing-3xl: 4rem;
    }

    .hero-section {
        min-height: 90vh;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }

    .features-grid,
    .technology-grid {
        grid-template-columns: 1fr;
    }

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

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

    .form-group {
        flex-direction: column;
    }

    .newsletter-btn {
        width: 100%;
    }

    .carousel-btn-prev {
        left: 10px;
    }

    .carousel-btn-next {
        right: 10px;
    }

    .search-container {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-6xl: 2rem;
        --font-size-5xl: 1.75rem;
        --font-size-4xl: 1.5rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }

    .nav-actions {
        gap: var(--spacing-sm);
    }

    .theme-toggle,
    .user-profile {
        width: 36px;
        height: 36px;
        font-size: var(--font-size-base);
    }
}

/* === Scroll Reveal Animation === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}