* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background: #f5f7fa;
    color: #222;
}

header {
    text-align: center;
    padding: 60px 20px 40px;
    background: #1f2937;
    color: white;
}

header h1 {
    margin-bottom: 10px;
    font-size: 2.5rem;
}

header p {
    font-size: 1.2rem;
}

.links {
    margin-top: 20px;
}

.links a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}

main {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

section {
    background: white;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 8px;
}

h2 {
    margin-top: 0;
}

footer {
    text-align: center;
    padding: 30px;
}