body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: #ffffff;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

header {
    background: linear-gradient(90deg, #0066cc, #00cc99);
    color: white;
    padding: 1rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: bold;
    font-size: 1.2rem;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.nav-links a.active {
    text-decoration: underline;
}

.hero {
    padding: 4rem 0;
    text-align: center;
    background: #f9f9f9;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
}

.content {
    padding: 2rem 0;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 0.5rem;
    }
}