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

body {
    font-family: 'Segoe UI', sans-serif;
    background: #f4f6f9;
    color: #333;
}

header {
    background: linear-gradient(135deg, #0a66c2, #004182);
    color: white;
    padding: 50px 20px;
    text-align: center;
}

nav {
    background: white;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #0a66c2;
    font-weight: 600;
    transition: 0.3s;
}

nav a:hover {
    color: #004182;
}

.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 20px;
}

.card {
    background: white;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

h2 {
    margin-bottom: 15px;
    color: #0a66c2;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #0a66c2;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: 0.3s;
}

.btn:hover {
    background: #004182;
}

footer {
    text-align: center;
    padding: 20px;
    background: #222;
    color: white;
    margin-top: 40px;
}