/* Apple-Inspired Design System */

/* CSS Variables for Apple Color Palette */
:root {
    --apple-blue: #0071e3;
    --apple-gray: #86868b;
    --apple-light-gray: #f5f5f7;
    --apple-dark-gray: #1d1d1f;
    --apple-white: #ffffff;
    --apple-black: #000000;
    --apple-green: #34d399;
    --apple-red: #ff3b30;
    --apple-yellow: #ffcc00;
    --apple-orange: #ff9500;
    --apple-purple: #af52de;
    --apple-teal: #5ac8fa;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --gradient-light: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--apple-dark-gray);
    background: var(--gradient-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Navigation - Apple Style */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.nav-brand .brand-link {
    text-decoration: none;
    color: var(--apple-dark-gray);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--apple-dark-gray);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link:hover {
    color: var(--apple-blue);
}

.nav-link.active {
    color: var(--apple-blue);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--apple-blue);
    border-radius: 1px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--apple-dark-gray);
    margin: 2px 0;
    transition: all var(--transition-fast);
}

/* Hero Section - Apple Style */
.hero {
    padding: 140px var(--spacing-lg) 100px;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    margin: var(--spacing-lg);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--apple-white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--apple-white);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    font-weight: 400;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--apple-white);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--apple-white);
    opacity: 0.8;
    font-weight: 500;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--apple-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Games Grid */
.games-section {
    padding: var(--spacing-2xl) 0;
}

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

/* Game Cards - Apple Style */
.game-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.game-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

.game-card:hover .game-card-image img {
    transform: scale(1.05);
}

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

.game-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--apple-dark-gray);
}

.game-card-description {
    color: var(--apple-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.game-card-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.game-card-stats .difficulty {
    font-size: 0.9rem;
    color: var(--apple-gray);
}

.game-card-stats .players {
    font-size: 0.9rem;
    color: var(--apple-gray);
}

.game-card-button {
    display: inline-block;
    background: var(--apple-blue);
    color: var(--apple-white);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.game-card-button:hover {
    background: #0051d5;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Features Section */
.features-section {
    padding: var(--spacing-2xl) 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.feature-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--apple-white);
}

.feature-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.9);
    color: var(--apple-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.footer-title {
    color: var(--apple-white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

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

.footer-links a {
    color: var(--apple-gray);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--spacing-lg);
    color: var(--apple-gray);
}

.footer-bottom a {
    color: var(--apple-gray);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--apple-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        margin: var(--spacing-sm);
        padding: 120px var(--spacing-md) 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px var(--spacing-sm) 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .nav-container {
        padding: var(--spacing-sm);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Apply animations */
.game-card {
    animation: fadeIn 0.6s ease-out;
}

.hero {
    animation: slideInUp 0.8s ease-out;
}

.feature-card {
    animation: scaleIn 0.6s ease-out;
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Focus States for Accessibility */
.nav-link:focus,
.game-card-button:focus {
    outline: 2px solid var(--apple-blue);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero {
        background: none;
        border: none;
        box-shadow: none;
    }
}