* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #222;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

.header {
    background: #0f2a44;
    color: white;
    padding: 25px 0;
}

.header h1 {
    margin: 0;
    font-size: 32px;
}

.header p {
    margin: 5px 0 0;
    font-size: 16px;
}

main {
    padding-top: 50px;
}

.card {
    background: white;
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.card h2 {
    margin-top: 0;
}

.btn-primary {
    background: #ff6b00;
    color: white;
    border: none;
    padding: 12px 22px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
}

.btn-primary:hover {
    opacity: 0.9;
}