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

body {
    font-family: 'Lato', sans-serif;
    background: #f0fdf4;
    color: #1e293b;
    line-height: 1.75;
}

/* Header */
.main-header {
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid #10b981;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-family: 'Lora', serif;
    font-size: 2rem;
    color: #059669;
    text-decoration: none;
    font-weight: 700;
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 10px;
}

.title-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    font-style: normal;
}

/* Navigation */
.primary-nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

.primary-nav a {
    color: #334155;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s;
    position: relative;
}

.primary-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #10b981;
    transition: width 0.3s;
}

.primary-nav a:hover {
    color: #10b981;
}

.primary-nav a:hover::after {
    width: 100%;
}

.menu-btn {
    display: none;
    background: none;
    border: 2px solid #10b981;
    color: #10b981;
    font-size: 1.3rem;
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 30px;
}

h1 {
    font-family: 'Lora', serif;
    font-size: 3rem;
    color: #059669;
    text-align: center;
    margin-bottom: 30px;
    font-style: italic;
}

h2 {
    font-family: 'Lora', serif;
    font-size: 2.2rem;
    color: #10b981;
    margin: 40px 0 20px;
    font-style: italic;
}

h3 {
    font-family: 'Lora', serif;
    font-size: 1.6rem;
    color: #059669;
    margin: 25px 0 12px;
    font-style: italic;
}

p {
    margin-bottom: 20px;
    color: #475569;
    font-size: 1.05rem;
}

/* Callout Boxes */
.callout-info {
    background: #ecfdf5;
    border-left: 5px solid #10b981;
    padding: 25px 30px;
    margin: 30px 0;
    border-radius: 0 8px 8px 0;
}

.callout-info strong {
    color: #059669;
}

.callout-alert {
    background: #fef3c7;
    border-left: 5px solid #f59e0b;
    padding: 25px 30px;
    margin: 30px 0;
    border-radius: 0 8px 8px 0;
}

.callout-alert strong {
    color: #d97706;
}

/* Benefits Section */
.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.benefit-item {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s;
    border-top: 4px solid #10b981;
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.2);
}

.benefit-symbol {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.benefit-item h3 {
    margin-top: 0;
    font-size: 1.4rem;
}

.benefit-item p {
    color: #64748b;
    font-size: 0.95rem;
}

/* Game Container */
.game-wrapper {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    margin: 50px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.game-iframe {
    width: 100%;
    max-width: 900px;
    height: 600px;
    margin: 20px auto;
    display: block;
    border: 3px solid #10b981;
    border-radius: 8px;
}

/* Footer */
.main-footer {
    background: #fff;
    border-top: 3px solid #10b981;
    margin-top: 80px;
    padding: 50px 30px 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.responsibility-section h3 {
    font-family: 'Lora', serif;
    color: #059669;
    margin-bottom: 15px;
    font-style: italic;
}

.responsibility-section p {
    color: #64748b;
    margin-bottom: 20px;
}

.help-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin: 25px 0;
}

.help-links a {
    color: #10b981;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    padding: 5px 10px;
}

.help-links a:hover {
    color: #059669;
    text-decoration: underline;
}

.copyright {
    border-top: 1px solid #e2e8f0;
    margin-top: 30px;
    padding-top: 20px;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Age Modal */
.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

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

.age-box {
    background: #fff;
    border: 3px solid #10b981;
    padding: 50px 40px;
    border-radius: 15px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.3);
}

.age-box h2 {
    font-family: 'Lora', serif;
    color: #059669;
    margin-bottom: 20px;
    margin-top: 0;
    font-style: italic;
}

.age-box p {
    color: #475569;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.age-options {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 35px;
}

.age-option {
    padding: 14px 35px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Lato', sans-serif;
    transition: all 0.3s;
}

.age-yes {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
}

.age-yes:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.age-no {
    background: #e2e8f0;
    color: #64748b;
}

.age-no:hover {
    background: #cbd5e1;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-btn {
        display: block;
    }

    .primary-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: #fff;
        transition: right 0.3s;
        padding-top: 70px;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        border-left: 3px solid #10b981;
    }

    .primary-nav.open {
        right: 0;
    }

    .primary-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .primary-nav li {
        border-bottom: 1px solid #f1f5f9;
    }

    .primary-nav a {
        display: block;
        padding: 20px 30px;
    }

    .primary-nav a::after {
        display: none;
    }

    .site-title {
        font-size: 1.5rem;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .main-content {
        padding: 40px 20px;
    }

    .game-iframe {
        height: 400px;
    }

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

    .age-box {
        margin: 20px;
        padding: 35px 25px;
    }

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