/* 
 * Social Gaming Hub - Laboratory Theme
 * System: CardStack Layout
 * Standard: W3C & Google AdSafe Compliant
 */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --cs5gsd-bg-color: #0f172a;
    --cs5gsd-primary-color: #00d2d3;
    --cs5gsd-accent-color: #5f27cd;
    --cs5gsd-text-color: #f8fafc;
    --cs5gsd-text-muted: #94a3b8;
    --cs5gsd-card-bg: rgba(30, 41, 59, 0.7);
    --cs5gsd-card-border: rgba(255, 255, 255, 0.1);
    --cs5gsd-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Georgia', serif, sans-serif;
    background-color: var(--cs5gsd-bg-color);
    color: var(--cs5gsd-text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Layout Container */
.cs5gsd-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.cs5gsd-header-l-c-r {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--cs5gsd-card-border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.cs5gsd-logo {
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    color: var(--cs5gsd-primary-color);
}

.cs5gsd-desktop-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.cs5gsd-desktop-nav a {
    text-decoration: none;
    color: var(--cs5gsd-text-color);
    font-size: 0.95rem;
    font-weight: 400;
    transition: var(--cs5gsd-transition);
}

.cs5gsd-desktop-nav a:hover {
    color: var(--cs5gsd-primary-color);
}

.cs5gsd-header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.cs5gsd-age-flag {
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
}

.cs5gsd-hamburger {
    display: none;
    background: none;
    border: 1px solid var(--cs5gsd-primary-color);
    color: var(--cs5gsd-primary-color);
    font-size: 24px;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 4px;
}

/* Mobile Menu */
.cs5gsd-mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--cs5gsd-bg-color);
    z-index: 2000;
    padding: 50px 20px;
    text-align: center;
}

.cs5gsd-close-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: white;
    font-size: 30px;
    cursor: pointer;
}

.cs5gsd-mobile-menu ul {
    list-style: none;
    margin-top: 50px;
}

.cs5gsd-mobile-menu li {
    margin-bottom: 25px;
}

.cs5gsd-mobile-menu a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
}

/* Hero Section (Split Layout) */
.cs5gsd-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 100px 0;
    gap: 50px;
}

.cs5gsd-hero-content {
    flex: 1;
}

.cs5gsd-hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, var(--cs5gsd-primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cs5gsd-hero-content p {
    font-size: 1.2rem;
    color: var(--cs5gsd-text-muted);
    margin-bottom: 30px;
    max-width: 500px;
}

.cs5gsd-hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.cs5gsd-hero-visual::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--cs5gsd-accent-color);
    filter: blur(100px);
    opacity: 0.3;
    z-index: -1;
}

/* CardStack System */
.cs5gsd-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 50px 0;
}

.cs5gsd-game-card {
    background: var(--cs5gsd-card-bg);
    border: 1px solid var(--cs5gsd-card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--cs5gsd-transition);
    position: relative;
}

.cs5gsd-game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--cs5gsd-primary-color);
}

.cs5gsd-game-card-img {
    width: 100%;
    height: 200px;
    background: linear-gradient(45deg, #1e293b, #334155);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cs5gsd-game-card-info {
    padding: 25px;
}

.cs5gsd-game-card h3 {
    margin-bottom: 10px;
    font-size: 1.4rem;
}

.cs5gsd-game-card p {
    color: var(--cs5gsd-text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* Buttons */
.cs5gsd-btn {
    display: inline-block;
    background: var(--cs5gsd-primary-color);
    color: #000;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--cs5gsd-transition);
    border: none;
    cursor: pointer;
    text-align: center;
}

.cs5gsd-btn:hover {
    background: #fff;
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 210, 211, 0.4);
}

.cs5gsd-btn-secondary {
    background: transparent;
    border: 2px solid var(--cs5gsd-primary-color);
    color: var(--cs5gsd-primary-color);
}

/* Game Interface Styling */
.cs5gsd-game-container {
    background: #020617;
    border-radius: 24px;
    padding: 40px;
    margin-top: 40px;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
    border: 1px solid var(--cs5gsd-card-border);
}

.cs5gsd-game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--cs5gsd-card-border);
}

.cs5gsd-balance-box {
    background: rgba(0, 210, 211, 0.1);
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid var(--cs5gsd-primary-color);
}

.cs5gsd-balance-box span {
    font-weight: 700;
    color: var(--cs5gsd-primary-color);
}

#game-canvas {
    width: 100%;
    max-width: 800px;
    height: 400px;
    background: #111827;
    border-radius: 12px;
    display: block;
    margin: 0 auto 30px;
    cursor: pointer;
    box-shadow: inset 0 0 20px #000;
}

.cs5gsd-game-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    align-items: center;
}

/* Footer Styles */
.cs5gsd-footer-cols {
    background: #020617;
    padding: 80px 0 40px;
    border-top: 1px solid var(--cs5gsd-card-border);
    margin-top: 100px;
}

.cs5gsd-footer-brand h3 {
    color: var(--cs5gsd-primary-color);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.cs5gsd-footer-links h4 {
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.cs5gsd-footer-links ul {
    list-style: none;
}

.cs5gsd-footer-links li {
    margin-bottom: 12px;
}

.cs5gsd-footer-links a {
    color: var(--cs5gsd-text-muted);
    text-decoration: none;
    transition: var(--cs5gsd-transition);
}

.cs5gsd-footer-links a:hover {
    color: var(--cs5gsd-primary-color);
}

.cs5gsd-footer-legal a {
    color: var(--cs5gsd-primary-color);
}

/* Legal & Compliance Text Styling */
.cs5gsd-legal-section {
    padding: 80px 0;
    max-width: 800px;
    margin: 0 auto;
}

.cs5gsd-legal-section h2 {
    margin: 40px 0 20px;
    color: var(--cs5gsd-primary-color);
}

.cs5gsd-legal-section p {
    margin-bottom: 20px;
    color: var(--cs5gsd-text-muted);
}

/* Responsive */
@media (max-width: 992px) {
    .cs5gsd-hero {
        flex-direction: column;
        text-align: center;
        padding: 60px 0;
    }
    .cs5gsd-hero-content h1 {
        font-size: 2.5rem;
    }
    .cs5gsd-hero-content p {
        margin: 0 auto 30px;
    }
    .cs5gsd-desktop-nav {
        display: none;
    }
    .cs5gsd-hamburger {
        display: block;
    }
}

@media (max-width: 600px) {
    .cs5gsd-game-controls {
        flex-direction: column;
    }
    .cs5gsd-hero-content h1 {
        font-size: 2rem;
    }
}