* { box-sizing: border-box; }
:root { --green: #166534; --green-dark: #14532d; --ink: #1c1917; --muted: #57534e;
        --line: #d6d3d1; }
body { margin: 0; color: var(--ink); background: #fafaf9; font-family: system-ui, sans-serif;
       line-height: 1.55; }
header { padding: 16px max(20px, calc((100% - 760px) / 2)); background: var(--green); }
header a { color: #fff; font-size: 1.05rem; font-weight: 850; text-decoration: none; }
main { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0 64px; }
h1 { margin: 0 0 16px; font-size: clamp(2rem, 8vw, 3rem); line-height: 1.05; }
h2 { margin: 32px 0 8px; font-size: 1.35rem; }
h3 { margin: 20px 0 4px; font-size: 1.05rem; }
p, ul, ol, dl { margin: 0 0 14px; }
li + li { margin-top: 8px; }
dt { margin-top: 10px; font-weight: 750; }
dd { margin-left: 0; color: var(--muted); }
.eyebrow, .version { color: var(--green); font-size: 0.82rem; font-weight: 800;
                     letter-spacing: 0.06em; text-transform: uppercase; }
.intro { padding-top: 24px; }
.steps { padding: 0; list-style: none; counter-reset: step; }
.steps li { display: flex; gap: 12px; align-items: center; padding: 12px 0;
            border-bottom: 1px solid var(--line); font-size: 1.1rem; }
.steps li::before { display: grid; flex: 0 0 34px; width: 34px; height: 34px; place-items: center;
                    border-radius: 50%; background: var(--green); color: #fff; content: counter(step);
                    counter-increment: step; font-weight: 800; }
.button, button { display: inline-block; border: 0; border-radius: 10px; padding: 14px 18px;
                  background: var(--green); color: #fff; font: inherit; font-weight: 750;
                  text-decoration: none; cursor: pointer; }
.button:hover, button:hover { background: var(--green-dark); }
.terms { overflow-wrap: anywhere; }
.terms > p, .terms > ul, .terms > dl { color: #292524; }
.acceptance, .success { margin-top: 32px; padding: 20px; border: 2px solid var(--green);
                        border-radius: 14px; background: #fff; }
.acceptance { display: grid; gap: 10px; }
.acceptance input[type=text] { width: 100%; border: 1px solid var(--line); border-radius: 8px;
                               padding: 12px; font: inherit; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 700; }
.check input { flex: 0 0 24px; width: 24px; height: 24px; }
.help { color: var(--muted); font-size: 0.9rem; }
.errorlist { margin: 0; padding: 0; color: #b91c1c; list-style: none; font-weight: 700; }
.loyalty-card, .notice { margin: 18px 0; padding: 18px; border: 1px solid var(--line);
                         border-radius: 14px; background: #fff; }
.balance { font-size: 1.5rem; }
.card-links, .card-controls { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 16px 0; }
.rewards, .device-cards { padding-left: 22px; }
.acceptance input[type=email] { width: 100%; border: 1px solid var(--line); border-radius: 8px;
                                padding: 12px; font: inherit; }
@media print {
  header { display: none; }
  main { width: auto; padding: 0; }
  .acceptance { display: none; }
}