:root { --c: #1f4d8c; --c2: #e8f0fa; --ink: #222; --grey: #666; }
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: #fff; line-height: 1.55; }
main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.hero { background: var(--c2); padding: 40px 16px 32px; text-align: center; }
header.hero h1 { margin: 0 0 12px; font-size: clamp(26px, 5vw, 38px); color: var(--c); line-height: 1.2; }
header.hero p { margin: 0 auto; max-width: 560px; font-size: 18px; }
.price { display: inline-block; margin-top: 16px; font-weight: 700; font-size: 20px; }
section { margin: 32px 0; }
h2 { color: var(--c); font-size: 22px; margin-bottom: 8px; }
ol, ul { padding-left: 20px; }
form { background: #fafafa; border: 1px solid #e3e3e3; border-radius: 12px; padding: 20px; }
fieldset { border: 0; padding: 0; margin: 0 0 16px; }
legend, label.field { font-weight: 600; display: block; margin-bottom: 6px; }
input[type=text], select { width: 100%; padding: 10px; font-size: 16px; border: 1px solid #ccc; border-radius: 8px; }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choices label { flex: 1 1 140px; border: 1px solid #ccc; border-radius: 8px; padding: 10px; cursor: pointer; background: #fff; }
.choices input { margin-right: 6px; }
.consent { font-size: 14px; color: var(--grey); display: flex; gap: 8px; align-items: flex-start; }
button { width: 100%; padding: 14px; font-size: 18px; font-weight: 700; color: #fff; background: var(--c); border: 0; border-radius: 10px; cursor: pointer; margin-top: 12px; }
button[disabled] { opacity: .6; cursor: wait; }
.error { color: #b00020; font-weight: 600; }
.small { font-size: 14px; color: var(--grey); }
footer { border-top: 1px solid #eee; padding: 24px 16px 40px; font-size: 14px; color: var(--grey); }
footer a { color: var(--grey); margin-right: 12px; }
.only-b, .only-a { display: none; }
body.v-a .only-a, body.v-b .only-b { display: block; }