body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.nav-container {
    background-color: #34495e;
    padding: 0;
    margin: 0;
    width: 100%;
}

.nav-menu {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-menu nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
    align-items: center;
}

.nav-menu nav ul li {
    margin: 0;
    padding: 10px 15px;
}

.nav-menu nav ul li a {
    color: #ecf0f1;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.nav-menu nav ul li a:hover {
    color: #3498db;
}

.nav-divider {
    margin: 0 10px;
    height: 20px;
    width: 1px;
    background-color: #ecf0f1;
}

.nav-menu h3 {
    color: #3498db;
    margin: 0;
    font-size: 16px;
}

h1, h2 {
    color: #2c3e50;
    padding: 0 20px;
}

.meal {
    margin: 20px;
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    background-color: #f9f9f9;
}

.meal h3 {
    color: #2980b9;
    margin-top: 0;
}

ul {
    list-style-type: disc;
    padding: 0 20px;
}

li {
    margin: 5px 0;
}

.instructions {
    margin-top: 10px;
    font-style: italic;
    color: #666;
    border-top: 1px dotted #ccc;
    padding-top: 10px;
}

@media (max-width: 768px) {
    .nav-menu nav ul {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav-menu nav ul li {
        width: 100%;
        padding: 8px 0;
    }
    
    .nav-divider {
        width: 100%;
        height: 1px;
        margin: 10px 0;
    }
}

/* New styles for cognitive health section */
.health-focus-intro {
    margin: 20px;
    padding: 15px 20px;
    background-color: #f0f7ff;
    border-left: 4px solid #3498db;
    border-radius: 3px;
    line-height: 1.7;
}

.health-focus-intro p {
    margin-bottom: 15px;
}

.health-focus-intro a {
    color: #2980b9;
    text-decoration: none;
    font-weight: 500;
}

.health-focus-intro a:hover {
    text-decoration: underline;
}

.research-source {
    font-size: 0.75em;
    color: #7f8c8d;
    text-transform: uppercase;
    font-weight: 600;
    margin-left: 5px;
}

.health-tip {
    background-color: #eafaf1;
    border: 1px solid #2ecc71;
    border-radius: 5px;
    padding: 10px 15px;
    margin-top: 15px;
    font-style: italic;
    color: #27ae60;
}