body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #333;
    line-height: 1.6;
}

header {
    background: #004080;
    color: white;
    padding: 20px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
}

nav {
    background: #0055a5;
    text-align: center;
    padding: 10px 0;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline;
    margin: 0 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #ffcc00;
}

.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(rgba(0, 55, 100, 0.7), rgba(0, 55, 100, 0.7)), url('hero-bg.jpg') no-repeat center center/cover;
    color: white;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 600;
}

.hero p {
    font-size: 22px;
    margin-bottom: 30px;
    font-weight: 300;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: #ff6600;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 18px;
    transition: background 0.3s;
}

.btn:hover {
    background: #e65c00;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px;
}

.card {
    background: #f9f9f9;
    padding: 20px;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.card h3 {
    color: #004080;
    font-size: 24px;
}

footer {
    background: #002244;
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 16px;
    margin-top: 40px;
}