@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=DM+Serif+Display&display=swap');

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

:root {
    --pure-white: #ffffff;
    --off-white: #fafafa;
    --light-gray: #f0f0f0;
    --mid-gray: #888888;
    --dark-gray: #333333;
    --black: #111111;
    --accent-blue: #2563eb;
    --accent-light: #60a5fa;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--off-white);
    color: var(--dark-gray);
    min-height: 100vh;
    line-height: 1.7;
}

h1, h2, h3 {
    font-family: 'DM Serif Display', serif;
    font-weight: 400;
}

h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--dark-gray);
}

/* Clean Header */
.clean-header {
    background: var(--pure-white);
    border-bottom: 1px solid var(--light-gray);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 40px;
    max-width: 1600px;
    margin: 0 auto;
}

.brand-mark {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark svg {
    width: 44px;
    height: 44px;
}

.brand-mark span {
    font-family: 'DM Serif Display', serif;
    font-size: 1.6rem;
    color: var(--black);
}

.menu-trigger {
    display: none;
    cursor: pointer;
    padding: 10px;
}

.menu-trigger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--black);
    margin: 5px 0;
    transition: all 0.3s ease;
}

.clean-nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

.clean-nav a {
    color: var(--mid-gray);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 0;
    transition: color 0.2s ease;
}

.clean-nav a:hover {
    color: var(--black);
}

/* Hero */
.minimal-hero {
    padding: 160px 40px 100px;
    text-align: center;
    background: var(--pure-white);
}

.minimal-hero h1 {
    font-size: 3.5rem;
    color: var(--black);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-text {
    font-size: 1.15rem;
    color: var(--mid-gray);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
}

/* Info Blocks */
.info-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 60px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.info-block {
    background: var(--pure-white);
    border: 1px solid var(--light-gray);
    padding: 40px 32px;
    text-align: center;
    transition: box-shadow 0.3s ease;
}

.info-block:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.info-block .block-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.info-block h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-block p {
    color: var(--mid-gray);
    font-size: 0.95rem;
}

/* Game Area */
.game-area {
    padding: 80px 40px;
    background: var(--off-white);
}

.game-area h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 48px;
    color: var(--black);
}

.game-container {
    background: var(--black);
    border-radius: 8px;
    overflow: hidden;
    max-width: 1100px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.game-container iframe {
    width: 100%;
    height: 560px;
    border: none;
    display: block;
}

/* Features */
.features-section {
    padding: 100px 40px;
    background: var(--pure-white);
}

.features-section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 60px;
    color: var(--black);
}

.features-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-box {
    text-align: center;
}

.feature-box .feature-icon {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.feature-box h4 {
    color: var(--black);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.feature-box p {
    color: var(--mid-gray);
    font-size: 0.9rem;
}

/* About */
.about-section {
    padding: 100px 40px;
    background: var(--black);
    color: var(--pure-white);
}

.about-inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-inner h2 {
    font-size: 2.2rem;
    margin-bottom: 32px;
}

.about-inner p {
    margin-bottom: 24px;
    color: var(--mid-gray);
    font-size: 1.05rem;
}

/* Footer */
.clean-footer {
    background: var(--off-white);
    border-top: 1px solid var(--light-gray);
    padding: 60px 40px;
    text-align: center;
}

.clean-footer h4 {
    color: var(--black);
    margin-bottom: 24px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.footer-links a {
    color: var(--mid-gray);
    font-size: 0.9rem;
}

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

.footer-bottom {
    border-top: 1px solid var(--light-gray);
    padding-top: 24px;
    color: var(--mid-gray);
    font-size: 0.85rem;
}

/* Age Modal */
.age-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(17, 17, 17, 0.95);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.age-box {
    background: var(--pure-white);
    padding: 56px;
    text-align: center;
    max-width: 420px;
    border-radius: 4px;
}

.age-box h2 {
    color: var(--black);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.age-box p {
    color: var(--mid-gray);
    margin-bottom: 32px;
}

.age-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn-accept, .btn-reject {
    padding: 14px 40px;
    border: none;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-accept:hover {
    background: var(--accent-blue);
}

.btn-reject {
    background: transparent;
    border: 1px solid var(--light-gray);
    color: var(--mid-gray);
}

.btn-reject:hover {
    border-color: var(--dark-gray);
    color: var(--dark-gray);
}

.modal-hidden {
    display: none !important;
}

/* Page Styles */
.page-header {
    padding: 150px 40px 60px;
    background: var(--pure-white);
    text-align: center;
    border-bottom: 1px solid var(--light-gray);
}

.page-header h1 {
    font-size: 2.8rem;
    color: var(--black);
}

.page-content {
    padding: 60px 40px 100px;
    max-width: 800px;
    margin: 0 auto;
}

.page-content h2 {
    margin: 48px 0 20px;
    font-size: 1.6rem;
    color: var(--black);
}

.page-content h3 {
    margin: 36px 0 16px;
    font-size: 1.2rem;
    color: var(--dark-gray);
}

.page-content p {
    margin-bottom: 18px;
    color: var(--mid-gray);
}

.page-content ul {
    margin: 20px 0 28px 28px;
    color: var(--mid-gray);
}

.page-content li {
    margin-bottom: 12px;
}

/* Play Page */
.play-header {
    padding: 140px 40px 48px;
    background: var(--pure-white);
    text-align: center;
    border-bottom: 1px solid var(--light-gray);
}

.play-header h1 {
    font-size: 2.5rem;
    color: var(--black);
    margin-bottom: 16px;
}

.game-info {
    max-width: 700px;
    margin: 40px auto;
    padding: 28px;
    background: var(--pure-white);
    border: 1px solid var(--light-gray);
}

.game-info h3 {
    color: var(--black);
    margin-bottom: 12px;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 992px) {
    .info-blocks {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .menu-trigger {
        display: block;
    }
    
    .clean-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--pure-white);
        border-bottom: 1px solid var(--light-gray);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .clean-nav.open {
        max-height: 360px;
    }
    
    .clean-nav ul {
        flex-direction: column;
        padding: 20px 40px;
        gap: 0;
    }
    
    .clean-nav li {
        border-bottom: 1px solid var(--light-gray);
    }
    
    .clean-nav a {
        display: block;
        padding: 16px 0;
    }
    
    .minimal-hero h1 {
        font-size: 2.4rem;
    }
    
    .info-blocks {
        grid-template-columns: 1fr;
    }
    
    .features-row {
        grid-template-columns: 1fr;
    }
    
    .game-container iframe {
        height: 400px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
    
    .age-box {
        margin: 24px;
        padding: 40px 32px;
    }
    
    .age-btns {
        flex-direction: column;
    }
}