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

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

body {
    font-family: 'Inter', sans-serif;
    background: #FAFAFA;
    color: #1a1a1a;
    line-height: 1.7;
}

/* Minimalist Header */
header {
    background: white;
    border-bottom: 1px solid #e0e0e0;
    padding: 30px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #3F51B5;
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

nav a {
    color: #666;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover,
nav a.active {
    color: #3F51B5;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #3F51B5;
    margin: 5px 0;
    transition: 0.3s;
}

/* Main Content */
main {
    padding: 80px 0;
}

section {
    margin-bottom: 100px;
}

h1 {
    font-size: 56px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 30px;
    letter-spacing: -1px;
    line-height: 1.1;
}

h2 {
    font-size: 36px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

h3 {
    font-size: 24px;
    font-weight: 600;
    color: #3F51B5;
    margin: 30px 0 15px;
}

p {
    font-size: 17px;
    color: #555;
    margin-bottom: 20px;
    max-width: 700px;
}

/* Notice */
.notice {
    background: #3F51B5;
    color: white;
    padding: 40px;
    border-radius: 2px;
    margin: 50px 0;
}

.notice h3 {
    color: white;
    margin-top: 0;
    font-size: 20px;
    margin-bottom: 12px;
}

.notice p {
    color: white;
    opacity: 0.95;
    max-width: none;
}

/* Features */
.features {
    display: flex;
    gap: 40px;
    margin: 50px 0;
}

.feature {
    flex: 1;
    padding: 40px 0;
    border-top: 2px solid #3F51B5;
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 20px;
}

.feature h3 {
    margin-top: 0;
    font-size: 20px;
}

.feature p {
    font-size: 15px;
    color: #666;
}

/* Game */
.game-container {
    background: white;
    padding: 60px 40px;
    margin: 60px 0;
    border: 1px solid #e0e0e0;
    text-align: center;
}

.game-embed {
    width: 100%;
    max-width: 850px;
    height: 600px;
    border: 1px solid #e0e0e0;
    margin: 40px auto 0;
    display: block;
}

/* Footer */
footer {
    background: white;
    border-top: 1px solid #e0e0e0;
    padding: 50px 0;
    margin-top: 100px;
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-links a {
    color: #3F51B5;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
}

.footer-links a:hover {
    opacity: 0.7;
}

.copyright {
    color: #999;
    font-size: 14px;
}

/* Age Gate */
.age-gate {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.98);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.age-gate.show {
    display: flex;
}

.age-content {
    max-width: 500px;
    text-align: center;
    padding: 60px 40px;
    border: 2px solid #3F51B5;
    background: white;
}

.age-content h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.age-content p {
    margin: 0 auto 40px;
    font-size: 16px;
}

.age-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.age-button {
    padding: 14px 40px;
    font-size: 15px;
    font-weight: 600;
    border: 2px solid;
    background: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.age-yes {
    border-color: #3F51B5;
    color: #3F51B5;
}

.age-yes:hover {
    background: #3F51B5;
    color: white;
}

.age-no {
    border-color: #d32f2f;
    color: #d32f2f;
}

.age-no:hover {
    background: #d32f2f;
    color: white;
}

/* Content Sections */
.content-section {
    margin: 60px 0;
}

.text-block {
    max-width: 750px;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        position: fixed;
        top: 91px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 30px 40px;
        gap: 25px;
        border-bottom: 1px solid #e0e0e0;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }

    nav ul.active {
        transform: translateY(0);
    }

    .nav-toggle {
        display: block;
    }

    h1 {
        font-size: 40px;
    }

    h2 {
        font-size: 28px;
    }

    .features {
        flex-direction: column;
        gap: 40px;
    }

    .feature {
        padding: 30px 0;
    }

    .game-embed {
        height: 450px;
    }

    .footer-links {
        flex-direction: column;
        gap: 20px;
    }

    .age-content {
        margin: 20px;
        padding: 40px 30px;
    }

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

    .container {
        padding: 0 25px;
    }

    .game-container {
        padding: 40px 25px;
    }
}