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

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

:root {
    --void-navy: #020617;
    --deep-blue: #1e3a5f;
    --ocean-blue: #0369a1;
    --pale-blue: #bae6fd;
    --ice-white: #f0f9ff;
    --accent-indigo: #6366f1;
}

body {
    font-family: 'Manrope', sans-serif;
    background: var(--void-navy);
    color: var(--ice-white);
    min-height: 100vh;
    line-height: 1.75;
}

.void-header {
    background: linear-gradient(180deg, rgba(30, 58, 95, 0.8) 0%, rgba(2, 6, 23, 0.95) 100%);
    border-bottom: 1px solid var(--ocean-blue);
    padding: 0.9rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-flex {
    max-width: 1500px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.void-brand svg {
    width: 46px;
    height: 46px;
}

.void-title {
    font-family: 'Urbanist', sans-serif;
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--pale-blue);
    letter-spacing: -0.5px;
}

.nav-btn {
    display: none;
    background: none;
    border: 1px solid var(--ocean-blue);
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 6px;
}

.nav-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--pale-blue);
    margin: 5px 0;
}

.void-nav ul {
    display: flex;
    list-style: none;
    gap: 0.3rem;
}

.void-nav a {
    color: var(--ice-white);
    text-decoration: none;
    padding: 0.55rem 1rem;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 6px;
    transition: all 0.25s;
}

.void-nav a:hover {
    background: rgba(3, 105, 161, 0.3);
    color: var(--pale-blue);
}

.main-banner {
    padding: 5rem 2rem;
    text-align: center;
    background: radial-gradient(ellipse at center, rgba(30, 58, 95, 0.5) 0%, transparent 65%);
}

.main-banner h1 {
    font-family: 'Urbanist', sans-serif;
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--pale-blue);
    margin-bottom: 1.25rem;
}

.main-banner > p {
    font-size: 1.1rem;
    max-width: 850px;
    margin: 0 auto;
    color: rgba(240, 249, 255, 0.85);
}

.void-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

.void-card {
    background: linear-gradient(180deg, rgba(30, 58, 95, 0.5) 0%, rgba(2, 6, 23, 0.8) 100%);
    border: 1px solid rgba(3, 105, 161, 0.4);
    border-radius: 14px;
    padding: 1.75rem;
}

.void-card h3 {
    font-family: 'Urbanist', sans-serif;
    color: var(--pale-blue);
    font-size: 1.15rem;
    margin-bottom: 0.65rem;
    font-weight: 700;
}

.game-panel {
    max-width: 1500px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.game-panel h2 {
    font-family: 'Urbanist', sans-serif;
    text-align: center;
    font-size: 2rem;
    color: var(--pale-blue);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.game-frame {
    background: rgba(30, 58, 95, 0.4);
    border: 2px solid var(--ocean-blue);
    border-radius: 18px;
    padding: 0.75rem;
    box-shadow: 0 0 60px rgba(3, 105, 161, 0.25);
}

.game-frame iframe {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 12px;
    display: block;
}

.feature-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1300px;
    margin: 4rem auto;
    padding: 0 1.5rem;
}

.feature-col {
    background: rgba(30, 58, 95, 0.3);
    border-radius: 12px;
    padding: 1.75rem;
    border-top: 3px solid var(--accent-indigo);
}

.feature-col h3 {
    font-family: 'Urbanist', sans-serif;
    color: var(--pale-blue);
    margin-bottom: 0.65rem;
    font-size: 1.15rem;
    font-weight: 700;
}

.content-area {
    max-width: 920px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.content-area h1 {
    font-family: 'Urbanist', sans-serif;
    font-size: 2.5rem;
    color: var(--pale-blue);
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 800;
}

.content-area h2 {
    font-family: 'Urbanist', sans-serif;
    font-size: 1.3rem;
    color: var(--pale-blue);
    margin: 2rem 0 0.75rem;
    font-weight: 700;
}

.content-area p {
    margin-bottom: 1rem;
    color: rgba(240, 249, 255, 0.9);
}

.content-area ul {
    margin: 1rem 0 1.5rem 1.5rem;
    color: rgba(240, 249, 255, 0.9);
}

.content-area li {
    margin-bottom: 0.5rem;
}

.void-footer {
    background: rgba(30, 58, 95, 0.5);
    border-top: 1px solid var(--ocean-blue);
    padding: 2.5rem 1.5rem;
    margin-top: 4rem;
}

.footer-flex {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.footer-flex h4 {
    font-family: 'Urbanist', sans-serif;
    color: var(--pale-blue);
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.help-row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.help-row a {
    color: var(--ice-white);
    text-decoration: none;
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--ocean-blue);
    border-radius: 22px;
    font-size: 0.9rem;
    transition: all 0.25s;
}

.help-row a:hover {
    background: var(--ocean-blue);
    color: white;
}

.disclaimer-text {
    color: rgba(240, 249, 255, 0.5);
    font-size: 0.85rem;
}

.age-wall {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.98);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.age-wall.hidden {
    display: none;
}

.age-dialog {
    background: var(--deep-blue);
    border: 2px solid var(--ocean-blue);
    border-radius: 18px;
    padding: 2.5rem;
    max-width: 460px;
    margin: 1rem;
    text-align: center;
}

.age-dialog h2 {
    font-family: 'Urbanist', sans-serif;
    color: var(--pale-blue);
    font-size: 1.65rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.age-dialog p {
    color: rgba(240, 249, 255, 0.9);
    margin-bottom: 1.5rem;
}

.dialog-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.dialog-btns button {
    padding: 0.85rem 2rem;
    font-family: 'Urbanist', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.25s;
}

.btn-continue {
    background: linear-gradient(135deg, var(--ocean-blue), var(--accent-indigo));
    color: white;
}

.btn-continue:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 25px rgba(3, 105, 161, 0.4);
}

.btn-back {
    background: transparent;
    border: 1px solid var(--pale-blue) !important;
    color: var(--pale-blue);
}

.btn-back:hover {
    background: rgba(186, 230, 253, 0.1);
}

.instructions-box {
    background: rgba(30, 58, 95, 0.5);
    border: 1px solid rgba(3, 105, 161, 0.4);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.instructions-box h3 {
    font-family: 'Urbanist', sans-serif;
    color: var(--pale-blue);
    margin-bottom: 0.65rem;
    font-weight: 700;
}

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

    .void-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--deep-blue);
        border-bottom: 1px solid var(--ocean-blue);
        display: none;
    }

    .void-nav.shown {
        display: block;
    }

    .void-nav ul {
        flex-direction: column;
        padding: 0.75rem;
    }

    .void-nav a {
        display: block;
        padding: 0.9rem;
    }

    .main-banner h1 {
        font-size: 2.2rem;
    }

    .void-title {
        font-size: 1.25rem;
    }

    .game-frame iframe {
        height: 400px;
    }

    .dialog-btns {
        flex-direction: column;
    }
}