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

/* Typography */
body {
    font-family: 'Open Sans', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f4f4f4;
}

h1, h2 {
    color: #0056b3;
    font-weight: 300;
}

/* Header */
#main-header {
    background-color: #ffffff;
    padding: 1.5rem 0;
    border-bottom: 2px solid #e1e1e1;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.site-title {
    text-align: center;
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

/* Navigation */
#main-nav {
    text-align: center;
    padding: 0.5rem 0;
}

.nav-list {
    list-style: none;
    padding: 0;
}

.nav-item {
    display: inline-block;
    margin: 0 20px;
}

.nav-link {
    text-decoration: none;
    color: #0056b3;
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.nav-link:hover, .nav-link:focus {
    background-color: #e7f1ff;
    color: #333;
    text-decoration: none;
}

/* Main Content */
main {
    padding: 2rem;
    background: #fff;
    margin: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.content-section {
    margin-bottom: 2rem;
}

.section-title {
    margin-bottom: 0.5rem;
    color: #333;
    font-size: 1.5rem;
}

.section-description {
    margin-bottom: 1rem;
}

.features-list {
    list-style: none;
    margin-bottom: 1rem;
}

.features-list li {
    background: #e7f1ff;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s;
}

.features-list li:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.section-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 1rem;
    border-radius: 8px;
}

/* Testimonials */
.testimonial {
    background: #f0f0f0;
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid #0056b3;
    border-radius: 4px;
}

.testimonial-text {
    font-style: italic;
    color: #555;
}

/* Footer */
#main-footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
}

.footer-nav-list {
    list-style: none;
}

.footer-nav-list li {
    margin-bottom: 0.5rem;
}

.footer-nav a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: #e7f1ff;
    text-decoration: none;
}

.social-media {
    display: flex;
    justify-content: center;
}

.social-link {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s;
}

.social-link:hover {
    color: #e7f1ff;
}

.footer-text {
    margin-top: 1rem;
    font-size: 0.8rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
    }

    .nav-item {
        display: block;
        margin: 0.5rem 0;
    }

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

    main {
        margin: 1rem 0.5rem;
    }
}