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

:root {
    /* Color Palette - Modern American Design */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #10b981;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-alt: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-family: -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: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 70px; /* Space for fixed navbar */
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    gap: var(--spacing-md);
}

.nav-logo {
    flex-shrink: 0;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-base);
    white-space: nowrap;
}

.nav-logo a:hover {
    color: var(--primary-hover);
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-alt);
}

@media (max-width: 768px) {
    body {
        padding-top: 100px; /* Space for mobile navbar with two rows */
    }
    
    .nav-content {
        flex-direction: column;
        padding: var(--spacing-xs) 0;
    }
    
    .nav-logo {
        width: 100%;
        text-align: center;
        padding-bottom: var(--spacing-xs);
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        margin-bottom: var(--spacing-xs);
    }
    
    .nav-logo a {
        font-size: 1.25rem;
    }
    
    .nav-links {
        width: 100%;
        display: flex;
        gap: var(--spacing-xs);
        flex-wrap: nowrap;
        padding: 0 var(--spacing-sm);
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
        -ms-overflow-style: none; /* IE and Edge */
        scroll-behavior: smooth;
        position: relative;
    }
    
    .nav-links::-webkit-scrollbar {
        display: none; /* Hide scrollbar for Chrome, Safari and Opera */
    }
    
    .nav-link {
        font-size: 0.875rem;
        padding: var(--spacing-xs) 0.75rem;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    /* Add visual indicator with gradient overlay to show scrollability */
    .nav-links::before,
    .nav-links::after {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        width: 25px;
        pointer-events: none;
        z-index: 2;
        transition: opacity var(--transition-base);
    }
    
    .nav-links::before {
        left: 0;
        background: linear-gradient(to right, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.7), transparent);
        opacity: var(--show-left-gradient, 0);
    }
    
    .nav-links::after {
        right: 0;
        background: linear-gradient(to left, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.7), transparent);
        opacity: var(--show-right-gradient, 1);
    }
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Typography */
h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

ul {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero h1 {
    color: white;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: left;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    text-align: left;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-start;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image .game-screenshot {
    width: 85%;
    max-width: 425px;
    aspect-ratio: 520 / 570;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.3rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.hero-image .game-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero h1 {
        text-align: center;
    }
    
    .hero-subtitle {
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        order: -1; /* Image first on mobile */
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

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

.section-alt {
    background-color: var(--bg-secondary);
}

.section h2 {
    margin-bottom: var(--spacing-lg);
}

/* Content Grid */
.content-grid {
    max-width: 800px;
    margin: 0 auto;
}


.content-text {
    font-size: 1.25rem;
    line-height: 1.8;
}

.content-text h1 {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.content-text h2 {
    text-align: left;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.content-text h3 {
    text-align: left;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.content-text ul {
    list-style-type: disc;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.content-text li {
    margin-bottom: var(--spacing-xs);
}

.related-guides-list {
    list-style: none;
    margin: var(--spacing-sm) 0 var(--spacing-md);
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.related-guides-list li {
    margin: 0;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.related-guides-list li:hover {
    transform: translateY(-1px);
    border-color: #bfdbfe;
    box-shadow: var(--shadow-md);
}

.related-guides-list a {
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.related-guides-list a:hover {
    color: var(--primary-hover);
    border-color: rgba(37, 99, 235, 0.5);
}

.related-guides-list a:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 2px;
}

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

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

.feature-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

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

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

.feature-card h3 {
    font-size: 1.25rem;
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Preview Grid */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.preview-item {
    text-align: center;
}

.preview-item img {
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.preview-image-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.3rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-sm);
}

.preview-caption {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-style: italic;
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.faq-question h3 {
    margin: 0;
    padding: 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    text-align: left;
}

.faq-question:hover {
    background-color: var(--bg-alt);
}

.faq-icon {
    font-size: 1.25rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.faq-answer {
    display: none;
    padding: 0 var(--spacing-md) var(--spacing-md);
    border-top: 2px solid var(--primary-color);
}

.faq-question[aria-expanded="true"] + .faq-answer {
    display: block;
    padding-top: var(--spacing-md);
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

/* Disclaimer */
.disclaimer {
    background-color: var(--bg-alt);
    padding: var(--spacing-lg) 0;
}

.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.disclaimer-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.disclaimer-content strong {
    color: var(--text-primary);
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.footer-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-base);
    padding: 0 var(--spacing-xs);
}

.footer-link:hover {
    color: white;
    text-decoration: underline;
}

.footer-separator {
    color: rgba(255, 255, 255, 0.4);
    margin: 0 var(--spacing-xs);
}

.footer-copyright {
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
}

.footer-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer p {
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .footer-separator {
        display: none;
    }
    
    .footer-link {
        padding: var(--spacing-xs) 0;
    }
}

/* Floating CTA (Mobile) */
.floating-cta {
    position: fixed;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: none;
}

.floating-cta .btn {
    box-shadow: var(--shadow-xl);
    padding: 1rem 2.5rem;
    font-size: 1.3rem;
}

@media (max-width: 768px) {
    .floating-cta {
        display: block;
    }
    
    .hero {
        padding: var(--spacing-md) 0 var(--spacing-lg) 0;
    }
    
    .hero-grid {
        gap: var(--spacing-sm);
    }
    
    .hero h1 {
        margin-bottom: var(--spacing-sm);
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
    
    .hero-subtitle {
        margin-bottom: var(--spacing-md);
        font-size: clamp(0.9375rem, 2vw, 1.125rem);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-xs);
        margin-top: var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .preview-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        padding: 0.75rem 1.5rem;
        font-size: 0.9375rem;
    }
}

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

/* Focus States */
.btn:focus,
.faq-question:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .hero,
    .floating-cta,
    .btn {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
}