* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f8fc;
    color: #1f2937;
}

header {
    background: #1e3a5f;
    color: white;
    text-align: center;
    padding: 50px 20px;
}

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

header p {
    font-size: 18px;
}

main {
    max-width: 850px;
    margin: 50px auto;
    padding: 0 20px;
}

section {
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

h2 {
    color: #1e3a5f;
}

p {
    line-height: 1.7;
}

.button {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 20px;
    background: #2563eb;
    color: white;
    text-decoration: none;
    border-radius: 7px;
}

.button:hover {
    background: #1d4ed8;
}

footer {
    text-align: center;
    padding: 25px;
    color: #64748b;
}