@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --accent-cyan: #06b6d4;
    --white: #ffffff;
    --light-gray: #f3f4f6;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--light-gray);
    color: var(--text-dark);
    line-height: 1.7;
}

/* Header Navigation */
header {
    background: white;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 200;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.site-logo h1::after {
    content: '▸';
    color: var(--accent-cyan);
    margin-left: 0.5rem;
}

.navigation {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.navigation a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.navigation a:hover,
.navigation a.current {
    color: var(--secondary-blue);
}

.burger-menu {
    display: none;
    background: var(--secondary-blue);
    border: none;
    padding: 0.7rem 0.9rem;
    cursor: pointer;
    border-radius: 5px;
}

.burger-menu span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: white;
    margin: 4px 0;
}

/* Main Layout */
.wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.hero-banner {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 5rem 3rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.2);
}

.hero-banner h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.hero-banner p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    font-weight: 400;
}

.card {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border-top: 4px solid var(--secondary-blue);
}

.card h3 {
    color: var(--primary-blue);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.card p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.notice-panel {
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    color: white;
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.notice-panel h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.notice-panel ul {
    margin-left: 2rem;
}

.notice-panel li {
    margin: 0.8rem 0;
}

.game-embed {
    background: #0f172a;
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.game-embed iframe {
    max-width: 100%;
    border: 3px solid var(--accent-cyan);
    border-radius: 8px;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.info-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border-left: 4px solid var(--accent-cyan);
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(30, 64, 175, 0.15);
}

.info-card h4 {
    color: var(--primary-blue);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

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

footer {
    background: var(--primary-blue);
    color: white;
    padding: 3rem 2rem;
    margin-top: 5rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--light-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

/* Age Verification */
.age-modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
}

.age-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.age-dialog {
    background: white;
    padding: 4rem;
    border-radius: 15px;
    text-align: center;
    max-width: 550px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.3);
}

.age-dialog h2 {
    color: var(--primary-blue);
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.age-dialog p {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.age-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.age-actions button {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-verify {
    background: var(--secondary-blue);
    color: white;
}

.btn-verify:hover {
    background: var(--primary-blue);
    transform: scale(1.05);
}

.btn-exit {
    background: #dc2626;
    color: white;
}

.btn-exit:hover {
    background: #991b1b;
    transform: scale(1.05);
}

/* Responsive */
@media (max-width: 768px) {
    .burger-menu {
        display: block;
    }

    .navigation {
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        width: 75%;
        background: white;
        flex-direction: column;
        padding: 5rem 2rem;
        gap: 1.5rem;
        transition: left 0.3s ease;
        box-shadow: 5px 0 25px rgba(0, 0, 0, 0.1);
    }

    .navigation.active {
        left: 0;
    }

    .hero-banner {
        padding: 3rem 2rem;
    }

    .hero-banner h2 {
        font-size: 2rem;
    }

    .card {
        padding: 2rem;
    }

    .wrapper {
        padding: 2rem 1.5rem;
    }

    .age-dialog {
        margin: 1.5rem;
        padding: 2.5rem;
    }

    .age-actions {
        flex-direction: column;
    }
}