:root {
    --bg: #f3fbff;
    --accent: #ff3b30;
    --text: #0b1220
}

* {
    box-sizing: border-box
}

body {
    font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto;
    margin: 0;
    background: var(--bg);
    color: var(--text)
}

.page {
    max-width: 760px;
    margin: 6vh auto;
    padding: 22px
}

.site-header {
    display: flex;
    gap: 12px;
    align-items: center
}

.back {
    color: #333;
    text-decoration: none
}

h1 {
    margin: 0
}

.card {
    background: white;
    padding: 18px;
    border-radius: 12px;
    margin-top: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06)
}

.cta {
    display: inline-block;
    margin-top: 14px;
    background: var(--accent);
    color: white;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700
}