* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background: #222;
}

.logo {
    color: #fff;
    font-size: 24px;
    font-weight: bold;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 20px;
}

nav a:hover {
    text-decoration: underline;
}

/* Hero */
.hero {
    text-align: center;
    padding: 80px 20px;
    background: #f4f4f4;
}

.hero h1 {
    font-size: 40px;
    margin-bottom: 10px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 20px;
}

.hero button {
    padding: 12px 25px;
    border: none;
    background: #007bff;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    border-radius: 4px;
}

.hero button:hover {
    background: #0056b3;
}

/* Cards */
.cards {
    display: flex;
    gap: 20px;
    padding: 40px;
    justify-content: center;
}

.card {
    background: #fff;
    padding: 20px;
    width: 300px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 6px;
    text-align: center;
}

/* Footer */
footer {
    text-align: center;
    padding: 15px;
    background: #222;
    color: #fff;
}

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

    nav {
        margin-top: 10px;
    }

    .cards {
        flex-direction: column;
        align-items: center;
    }

    .hero h1 {
        font-size: 30px;
    }
}