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

body {
    font-family: 'Raleway', sans-serif;
    background: linear-gradient(to bottom, #2c3e50, #34495e);
    color: #ecf0f1;
    min-height: 100vh;
}

.site-header {
    background: rgba(0, 0, 0, 0.4);
    padding: 1.5rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-symbol {
    font-size: 2.8rem;
}

.logo-name {
    font-size: 2.2rem;
    font-weight: 700;
    color: #f39c12;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hamburger-btn {
    display: none;
    background: none;
    border: 2px solid #f39c12;
    color: #f39c12;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.5rem;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.main-nav a {
    color: #ecf0f1;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    background: rgba(243, 156, 18, 0.2);
    transition: all 0.3s;
    font-weight: 600;
}

.main-nav a:hover {
    background: rgba(243, 156, 18, 0.4);
    transform: translateY(-2px);
}

.page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.welcome-card {
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.9), rgba(44, 62, 80, 0.9));
    padding: 3rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    margin-bottom: 3rem;
}

.welcome-card h1 {
    font-size: 3.5rem;
    color: #f39c12;
    margin-bottom: 1rem;
    font-weight: 800;
}

.welcome-card p {
    font-size: 1.4rem;
    line-height: 1.6;
}

.notice-card {
    background: linear-gradient(135deg, #e67e22, #d35400);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    margin: 3rem 0;
}

.notice-card h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.notice-card ul {
    list-style: none;
}

.notice-card li {
    padding: 1rem 0;
    font-size: 1.15rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.notice-card li:last-child {
    border-bottom: none;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.info-card {
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.8), rgba(44, 62, 80, 0.8));
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    transition: all 0.3s;
    border: 2px solid transparent;
}

.info-card:hover {
    transform: translateY(-10px);
    border-color: #f39c12;
    box-shadow: 0 12px 30px rgba(243, 156, 18, 0.3);
}

.info-card h3 {
    font-size: 1.8rem;
    color: #f39c12;
    margin-bottom: 1rem;
}

.info-card p {
    line-height: 1.8;
    font-size: 1.05rem;
}

.game-card {
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.9), rgba(44, 62, 80, 0.9));
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    margin: 3rem 0;
}

.game-card h2 {
    font-size: 2.5rem;
    color: #f39c12;
    text-align: center;
    margin-bottom: 2rem;
}

.game-card iframe {
    width: 100%;
    height: 700px;
    border: none;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.text-card {
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.9), rgba(44, 62, 80, 0.9));
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    margin: 3rem 0;
    line-height: 1.9;
}

.text-card h1 {
    font-size: 3rem;
    color: #f39c12;
    margin-bottom: 2rem;
}

.text-card h2 {
    font-size: 2.2rem;
    color: #f39c12;
    margin: 2.5rem 0 1.5rem;
}

.text-card p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.text-card ul,
.text-card ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.text-card li {
    margin-bottom: 0.75rem;
}

.site-footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #f39c12;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 0.7;
}

.copyright-text {
    color: #95a5a6;
    font-size: 0.95rem;
}

.verification-overlay {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
}

.verification-card {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 600px;
    margin: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    border: 3px solid #f39c12;
}

.verification-card h2 {
    font-size: 2.5rem;
    color: #f39c12;
    margin-bottom: 1.5rem;
}

.verification-card p {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.verification-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.verification-buttons button {
    padding: 1rem 2.5rem;
    font-size: 1.15rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s;
    font-family: 'Raleway', sans-serif;
}

.verification-buttons button:hover {
    transform: scale(1.05);
}

.btn-confirm {
    background: linear-gradient(135deg, #27ae60, #229954);
    color: #fff;
}

.btn-decline {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
}

@media (max-width: 768px) {
    .hamburger-btn {
        display: block;
    }

    .main-nav ul {
        position: fixed;
        left: -100%;
        top: 85px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 0;
    }

    .main-nav ul.open {
        left: 0;
    }

    .main-nav li {
        margin: 1rem 0;
    }

    .welcome-card h1 {
        font-size: 2.5rem;
    }

    .welcome-card p {
        font-size: 1.1rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .game-card iframe {
        height: 450px;
    }

    .text-card {
        padding: 2rem;
    }

    .text-card h1 {
        font-size: 2.2rem;
    }

    .verification-card {
        padding: 2rem;
    }
}