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

:root {
    --deep-blue: #1e3a8a;
    --navy: #1e40af;
    --purple: #7c3aed;
    --teal: #14b8a6;
    --dark-bg: #0f172a;
    --darker: #020617;
    --card: #1e293b;
    --text-light: #f1f5f9;
    --text-gray: #94a3b8;
    --border: #334155;
}

body {
    font-family: 'Open Sans', sans-serif;
    background: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Roboto Slab', serif;
}

.page-wrapper {
    min-height: 100vh;
}

.site-header {
    background: linear-gradient(to right, var(--deep-blue), var(--navy));
    border-bottom: 4px solid var(--teal);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-inner {
    max-width: 1300px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-graphic {
    width: 55px;
    height: 55px;
}

.site-logo {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--teal);
    letter-spacing: 1px;
}

.main-navigation {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: rgba(20, 184, 166, 0.2);
    color: var(--teal);
}

.nav-link.current {
    background: var(--teal);
    color: var(--darker);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: var(--teal);
    border: none;
    padding: 10px;
    border-radius: 6px;
    cursor: pointer;
}

.line {
    width: 28px;
    height: 3px;
    background: var(--darker);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.content-area {
    max-width: 1300px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.intro-section {
    background: linear-gradient(135deg, var(--purple), var(--deep-blue));
    border-radius: 20px;
    padding: 3.5rem;
    margin-bottom: 3.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.page-title {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    text-align: center;
}

.intro-paragraph {
    font-size: 1.25rem;
    line-height: 1.9;
    color: var(--text-light);
    text-align: center;
    max-width: 1000px;
    margin: 0 auto 2rem;
}

.highlight-tags {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.tag {
    background: var(--card);
    color: var(--teal);
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 700;
    border: 2px solid var(--teal);
}

.key-info-section {
    margin-bottom: 3.5rem;
}

.info-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.info-column {
    background: var(--card);
    padding: 2.5rem;
    border-radius: 16px;
    border-left: 6px solid;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

.purple-accent {
    border-left-color: var(--purple);
}

.teal-accent {
    border-left-color: var(--teal);
}

.blue-accent {
    border-left-color: var(--navy);
}

.column-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.info-column h3 {
    font-size: 1.7rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.info-column p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-gray);
}

.game-area-section {
    background: var(--card);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3.5rem;
    border: 2px solid var(--border);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

.game-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--teal);
    margin-bottom: 1rem;
}

.section-text {
    font-size: 1.15rem;
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.game-wrapper {
    margin-bottom: 2rem;
}

.game-embed {
    background: var(--darker);
    border-radius: 16px;
    overflow: hidden;
    border: 3px solid var(--purple);
}

.game-player {
    width: 100%;
    height: 650px;
    border: none;
    display: block;
}

.game-meta {
    background: linear-gradient(135deg, var(--deep-blue), var(--navy));
    border-radius: 12px;
    padding: 2rem;
    border: 2px solid var(--teal);
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.meta-item {
    background: var(--card);
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.05rem;
    color: var(--text-gray);
    border-left: 4px solid var(--teal);
}

.meta-item strong {
    color: var(--teal);
}

.benefits-section {
    margin-bottom: 3.5rem;
}

.benefits-section .section-title {
    text-align: center;
    margin-bottom: 2.5rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit-item {
    background: var(--card);
    padding: 2.5rem;
    border-radius: 16px;
    border-top: 4px solid var(--purple);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(124, 58, 237, 0.3);
}

.benefit-symbol {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.benefit-item h3 {
    font-size: 1.6rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.benefit-item p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-gray);
}

.platform-story {
    background: linear-gradient(135deg, var(--card), var(--darker));
    border-radius: 20px;
    padding: 3.5rem;
    margin-bottom: 3.5rem;
    border: 3px solid var(--purple);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.platform-story .section-title {
    text-align: center;
    margin-bottom: 2.5rem;
}

.story-content p {
    font-size: 1.15rem;
    line-height: 2;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.site-footer {
    background: linear-gradient(to right, var(--deep-blue), var(--navy));
    border-top: 4px solid var(--teal);
    padding: 3rem;
    margin-top: 3rem;
}

.footer-content {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.footer-block h4 {
    font-size: 1.5rem;
    color: var(--teal);
    margin-bottom: 1.5rem;
}

.footer-block p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 1.05rem;
}

.resource-list {
    list-style: none;
}

.resource-list li {
    margin-bottom: 1rem;
}

.resource-list a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.resource-list a:hover {
    color: var(--teal);
    transform: translateX(8px);
}

.age-check-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 6, 23, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(10px);
}

.age-check-overlay.hidden {
    display: none;
}

.check-panel {
    background: linear-gradient(135deg, var(--card), var(--darker));
    border: 4px solid var(--teal);
    border-radius: 24px;
    padding: 3.5rem;
    max-width: 580px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.check-icon {
    font-size: 4.5rem;
    margin-bottom: 2rem;
}

.check-panel h2 {
    font-size: 2.5rem;
    color: var(--teal);
    margin-bottom: 1.5rem;
}

.check-panel > p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.check-requirements {
    background: var(--deep-blue);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2.5rem;
    border: 2px solid var(--purple);
}

.req-item {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.req-item:last-child {
    margin-bottom: 0;
}

.check-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.btn-verify,
.btn-exit {
    padding: 1.2rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-family: 'Open Sans', sans-serif;
    transition: all 0.3s ease;
}

.btn-verify {
    background: linear-gradient(135deg, var(--teal), var(--purple));
    color: var(--text-light);
}

.btn-verify:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.4);
}

.btn-exit {
    background: var(--border);
    color: var(--text-gray);
}

.btn-exit:hover {
    background: #dc2626;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--navy);
        flex-direction: column;
        padding: 1.5rem;
        border-top: 2px solid var(--teal);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    }

    .main-navigation.open {
        display: flex;
    }

    .nav-hamburger {
        display: flex;
    }

    .page-title {
        font-size: 2rem;
    }

    .intro-paragraph {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .game-player {
        height: 450px;
    }

    .content-area {
        padding: 2rem 1rem;
    }

    .intro-section {
        padding: 2rem;
    }

    .check-panel {
        margin: 1rem;
        padding: 2rem;
    }

    .check-buttons {
        flex-direction: column;
    }

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