body {
    font-family: 'Inter', sans-serif;
    background-color: #fdfefe;
    margin: 0;
    padding: 0;
    color: #333;
}

.navbar {
    background-color: #e3f2fd;
    padding: 1rem 10vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.navbar h1 a {
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    color: #1976d2;
}

.navbar nav a {
    text-decoration: none;
    color: #1976d2;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar nav a:hover {
    color: #0d47a1;
}

.about-section {
    max-width: 700px;
    margin: 4rem auto;
    padding: 0 2rem;
    text-align: center;
}

.about-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #1f3b57;
}

.about-section p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.external-link, .back-link {
    display: inline-block;
    margin: 0.5rem;
    text-decoration: none;
    color: #1976d2;
    font-weight: 600;
    transition: color 0.3s;
}

.external-link:hover, .back-link:hover {
    color: #0d47a1;
}