* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #263238;
    background: #f8fafc;
}

header {
    background: #17365d;
    color: white;
    text-align: center;
    padding: 60px 20px;
}

header h1 {
    font-size: 42px;
    margin: 0;
}

header p {
    font-size: 18px;
}

main {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

section {
    margin-bottom: 50px;
}

h2 {
    color: #17365d;
}

article {
    background: white;
    padding: 25px;
    margin: 20px 0;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

footer {
    background: #17365d;
    color: white;
    text-align: center;
    padding: 20px;
}

footer a {
    color: white;
    text-decoration: none;
    margin: 0 8px;
}

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