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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f6f9;
}

header {
    background: #004a8f;
    color: white;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 20px;
    font-weight: bold;
}

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    transition: 0.3s;
}

nav ul li a:hover {
    color: #ffd000;
}

.hero {
    background: #0066cc;
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 40px 20px;
}

.card {
    background: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.card img {
    width: 100%;
    border-radius: 5px;
    margin-bottom: 15px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

footer {
    background: #002d5a;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        margin-top: 10px;
    }

    nav ul li {
        margin: 10px 0;
    }
}