/* CSS Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --brand-primary: #1a73e8;
    --brand-secondary: #0d47a1;
    --brand-accent: #ff9800;
    --brand-success: #4caf50;
    --brand-dark: #0c1a2d;
    --brand-light: #f8f9fa;
    --brand-text: #333333;
    --brand-text-light: #ffffff;
    --brand-header-bg: rgba(12, 26, 45, 0.95);
    --brand-footer-bg: #0c1a2d;
    --container-width: 1200px;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--brand-light);
    color: var(--brand-text);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul, ol {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--brand-dark);
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 2.2rem;
    margin-top: 2.5rem;
}

h3 {
    font-size: 1.8rem;
    margin-top: 2rem;
}

p {
    margin-bottom: 1.2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    background-color: var(--brand-primary);
    color: var(--brand-text-light);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.btn:hover {
    background-color: var(--brand-secondary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn-hero {
    background: linear-gradient(135deg, var(--brand-accent), #ff5722);
    font-size: 1.2rem;
    padding: 18px 40px;
}

.btn-cta {
    background-color: var(--brand-success);
    font-size: 1.1rem;
    padding: 16px 36px;
}

.btn-cta:hover {
    background-color: #388e3c;
}

/* Header & Navigation */
.site-header {
    background-color: var(--brand-header-bg);
    color: var(--brand-text-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--brand-text-light);
}

.logo span {
    color: var(--brand-accent);
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    color: var(--brand-text-light);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.main-nav a:hover {
    color: var(--brand-accent);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--brand-accent);
    transition: width 0.3s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--brand-text-light);
    font-size: 2rem;
    cursor: pointer;
    padding: 5px;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(12, 26, 45, 0.85), rgba(12, 26, 45, 0.9)), url('https://images.unsplash.com/photo-1515992854631-13de43ba2341?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    color: var(--brand-text-light);
    text-align: center;
    padding: 100px 20px;
    margin-bottom: 60px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.2rem;
    color: var(--brand-text-light);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* Sticky Play Button */
.sticky-play-container {
    position: sticky;
    top: 80px;
    z-index: 999;
    text-align: center;
    margin: 30px auto;
    pointer-events: none;
}

.sticky-play-button {
    pointer-events: auto;
    display: inline-block;
    background: linear-gradient(135deg, #ff9800, #ff5722);
    color: white;
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.3rem;
    box-shadow: 0 10px 25px rgba(255, 152, 0, 0.4);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.sticky-play-button:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(255, 152, 0, 0.6);
}

@keyframes pulse {
    0% { box-shadow: 0 10px 25px rgba(255, 152, 0, 0.4); }
    50% { box-shadow: 0 10px 30px rgba(255, 152, 0, 0.7); }
    100% { box-shadow: 0 10px 25px rgba(255, 152, 0, 0.4); }
}

/* Main Content */
.main-content {
    padding: 40px 0 80px;
}

.content-section {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--box-shadow);
}

.content-section h2 {
    color: var(--brand-secondary);
}

.content-section ul, .content-section ol {
    margin-left: 20px;
    margin-bottom: 1.5rem;
}

.content-section li {
    margin-bottom: 0.8rem;
    padding-left: 10px;
}

/* Game Grid */
.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.game-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.game-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.game-card-content {
    padding: 20px;
}

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

/* Footer */
.site-footer {
    background-color: var(--brand-footer-bg);
    color: var(--brand-text-light);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--brand-accent);
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a:hover {
    color: var(--brand-accent);
    padding-left: 5px;
}

.security-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
}

.security-logo {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 25px;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.help-links {
    text-align: center;
    margin: 30px 0;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.help-links a {
    color: #ffcc80;
    font-weight: 600;
}

.help-links a:hover {
    text-decoration: underline;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 992px) {
    h1 { font-size: 2.4rem; }
    h2 { font-size: 2rem; }
    .hero h1 { font-size: 2.8rem; }
    .hero { padding: 80px 20px; }
    .main-nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--brand-header-bg);
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,.1);
        z-index: 1000;
    }
    .mobile-menu-btn {
        display: block;
    }
    .mobile-nav-active ul {
        display: flex;
    }
    .game-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1.1rem; }
    .btn { padding: 12px 24px; }
    .content-section { padding: 30px 20px; }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .security-logos {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .header-container { padding: 12px 15px; }
    .hero { padding: 60px 15px; }
    .hero h1 { font-size: 1.9rem; }
    .sticky-play-button { padding: 14px 28px; font-size: 1.1rem; }
}