:root {
    --primary-color: #ff0000;
    --secondary-color: #1a1a1a;
    --text-color: #ffffff;
    --accent-color: #333333;
}

body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/header-bg.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.logo {
    font-size: 5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 3px 3px 0 #000;
    margin-bottom: 20px;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 30px;
    max-width: 800px;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--text-color);
    padding: 10px 30px;
    font-size: 1.2rem;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    margin: 10px;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #cc0000;
    transform: scale(1.05);
}

nav {
    background-color: var(--accent-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li a {
    display: block;
    color: var(--text-color);
    text-decoration: none;
    padding: 15px 25px;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    background-color: var(--primary-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

section {
    padding: 60px 0;
}

h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    text-transform: uppercase;
}

.rules-list {
    background-color: var(--accent-color);
    padding: 30px;
    border-radius: 5px;
}

.rules-list ol {
    padding-left: 20px;
}

.rules-list li {
    margin-bottom: 15px;
}

.shop-container {
    background-color: var(--accent-color);
    padding: 20px;
    border-radius: 5px;
    height: 800px;
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.references {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.reference-item {
    background-color: var(--accent-color);
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    width: 200px;
    transition: all 0.3s ease;
}

.reference-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
}

.reference-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

footer {
    background-color: var(--accent-color);
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .logo {
        font-size: 3rem;
    }
    
    nav ul {
        flex-direction: column;
    }
}