* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: sans-serif;
    color: #333;
    background: #f2f5f8;
}

.site-header {
    padding: 20px 40px;
    background: #fff;
}

.logo {
    margin: 0;
    font-weight: bold;
}

.hero {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    text-align: center;
}

.hero h1 {
    color: #2563eb;
    font-size: clamp(28px, 5vw, 48px);
}

button {
    padding: 12px 24px;
    border: 0;
    border-radius: 6px;
    background: #2563eb;
    color: white;
    cursor: pointer;
}

footer {
    padding: 20px;
    text-align: center;
    background: #fff;
}