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

:root {
    --black: #000000;
    --dark-gray: #1a1a1a;
    --medium-gray: #333333;
    --light-gray: #666666;
    --border-gray: #e0e0e0;
    --white: #ffffff;
    --accent: #000000;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border-gray);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--black);
}

.menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.menu-btn span {
    width: 30px;
    height: 2px;
    background: var(--black);
    transition: 0.3s;
}

.navigation {
    display: flex;
    gap: 3rem;
}

.nav-link {
    color: var(--light-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--black);
    transition: width 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--black);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Hero Split */
.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 60vh;
}

.split-left {
    background: var(--black);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem;
}

.split-left h1 {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.split-left p {
    font-size: 1.2rem;
    font-weight: 300;
}

.split-right {
    background: var(--white);
    display: flex;
    align-items: center;
    padding: 4rem;
    border-left: 1px solid var(--border-gray);
}

.hero-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero-content p {
    color: var(--light-gray);
    font-size: 1.1rem;
}

/* Main Wrapper */
.main-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Content Block */
.content-block {
    margin-bottom: 6rem;
}

.block-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.block-header {
    position: relative;
}

.block-number {
    font-size: 5rem;
    font-weight: 700;
    color: var(--border-gray);
    line-height: 1;
    display: block;
    margin-bottom: 1rem;
}

.block-header h2 {
    font-size: 2rem;
    font-weight: 600;
}

.block-content p {
    color: var(--light-gray);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.block-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.block-content ul {
    margin-left: 1.5rem;
}

.block-content li {
    margin-bottom: 0.8rem;
    color: var(--light-gray);
}

/* Key Points */
.key-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 6rem;
}

.point-card {
    border: 1px solid var(--border-gray);
    padding: 2.5rem;
}

.point-card h3 {
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.3rem;
}

.point-card p {
    color: var(--light-gray);
    line-height: 1.6;
}

/* Game Container */
.game-container {
    border: 1px solid var(--border-gray);
    padding: 1.5rem;
}

.game-frame {
    width: 100%;
    height: 600px;
}

/* Features Section */
.features-section {
    margin-bottom: 6rem;
}

.section-heading {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-card {
    border: 1px solid var(--border-gray);
    padding: 2.5rem;
}

.feature-label {
    display: block;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--light-gray);
    margin-bottom: 0.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--light-gray);
    line-height: 1.6;
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 6rem;
}

.stat-item {
    border: 1px solid var(--border-gray);
    padding: 3rem;
    text-align: center;
}

.stat-value {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--light-gray);
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-brand {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.footer-main p {
    color: var(--light-gray);
    line-height: 1.6;
}

.footer-links h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-links a {
    display: block;
    color: var(--light-gray);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--medium-gray);
    color: var(--light-gray);
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

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

.age-verification.active {
    display: flex;
}

.verification-card {
    background: var(--white);
    padding: 4rem;
    max-width: 500px;
    text-align: center;
}

.verification-symbol {
    width: 80px;
    height: 80px;
    border: 3px solid var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 auto 2rem;
}

.verification-card h2 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.verification-card p {
    color: var(--light-gray);
    margin-bottom: 1rem;
}

.verification-prompt {
    font-weight: 600;
    color: var(--black);
    margin-top: 2rem;
}

.verification-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-primary,
.btn-secondary {
    flex: 1;
    padding: 1rem 2rem;
    border: 2px solid var(--black);
    background: none;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
}

.btn-primary {
    background: var(--black);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--white);
    color: var(--black);
}

.btn-secondary {
    color: var(--black);
}

.btn-secondary:hover {
    background: var(--black);
    color: var(--white);
}

/* Page Hero */
.page-hero {
    background: var(--black);
    color: var(--white);
    padding: 6rem 2rem 4rem;
    text-align: center;
}

.page-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.page-hero p {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--light-gray);
}

/* Legal Content */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
}

.legal-content h2 {
    margin-top: 3rem;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.8rem;
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.legal-content p {
    color: var(--light-gray);
    margin-bottom: 1.5rem;
}

.legal-content ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.8rem;
    color: var(--light-gray);
}

/* Play Page Specific */
.info-list {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

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

.control-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.control-item {
    border: 1px solid var(--border-gray);
    padding: 1.5rem;
}

.control-item strong {
    display: block;
    margin-bottom: 0.5rem;
}

.tech-requirement {
    border: 1px solid var(--border-gray);
    padding: 1.5rem;
    margin-top: 2rem;
}

.tips-list {
    margin-top: 2rem;
}

.tip-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-gray);
}

.tip-item:last-child {
    border-bottom: none;
}

.tip-icon {
    font-size: 1.5rem;
    font-weight: 700;
}

.tip-item strong {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 1.1rem;
}

.tip-item p {
    margin: 0;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .hero-split {
        grid-template-columns: 1fr;
    }

    .split-right {
        border-left: none;
        border-top: 1px solid var(--border-gray);
    }

    .block-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .key-points {
        grid-template-columns: 1fr;
    }

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

    .stats-section {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }

    .control-list {
        grid-template-columns: 1fr;
    }
}

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

    .navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 0;
        border-top: 1px solid var(--border-gray);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
    }

    .navigation.active {
        max-height: 400px;
    }

    .nav-link {
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-gray);
    }

    .nav-link::after {
        display: none;
    }

    .split-left h1 {
        font-size: 2.5rem;
    }

    .split-left,
    .split-right {
        padding: 3rem 2rem;
    }

    .game-frame {
        height: 400px;
    }

    .verification-card {
        margin: 1rem;
        padding: 2rem;
    }

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

    .page-hero h1 {
        font-size: 2.5rem;
    }

    .tip-item {
        grid-template-columns: 1fr;
    }
}