:root {
    --primary-color: #2C3E50;
    --secondary-color: #E74C3C;
    --text-color: #2C3E50;
    --bg-color: #ECF0F1;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.navbar {
    background-color: var(--primary-color) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 600;
}

.dropdown-menu {
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.content-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

h2 {
    color: var(--secondary-color);
    font-size: 2rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
}

.related-articles {
    border-top: 2px solid var(--bg-color);
    padding-top: 2rem;
}

.related-articles h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.related-articles a {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Responsive, centered images inside content */
.content-img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1rem auto;
}

@media (max-width: 768px) {
    .content-container {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
}