:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #112b2b;
  background: #f5f6f2;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.page {
  width: min(100% - 40px, 760px);
  margin: auto;
  padding: 72px 0;
}

.brand {
  display: table;
  padding: 10px 15px;
  border: 1px solid #112b2b;
  border-radius: 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .08em;
}

.brand span { color: #317e67; }
.eyebrow { margin: 48px 0 12px; color: #317e67; font-weight: 700; text-transform: uppercase; letter-spacing: .15em; font-size: 12px; }
h1 { margin: 0; font-size: clamp(36px, 8vw, 64px); line-height: 1.05; letter-spacing: -.05em; }
.intro { max-width: 560px; margin: 24px 0 32px; color: #4d6260; font-size: 18px; line-height: 1.6; }
.button { display: inline-flex; gap: 24px; align-items: center; padding: 14px 18px; border-radius: 8px; color: white; background: #112b2b; font-weight: 700; text-decoration: none; }
.button:hover, .button:focus-visible { background: #245d50; }
.back { display: inline-block; margin-bottom: 32px; color: #317e67; font-weight: 600; text-decoration: none; }
.back:hover, .back:focus-visible { text-decoration: underline; }
.qr-block { display: flex; align-items: center; gap: 24px; width: fit-content; max-width: 100%; padding: 16px; border: 1px solid #dce5df; border-radius: 12px; background: white; }
.qr-block img { flex: none; max-width: 40%; height: auto; }
.qr-block p { max-width: 280px; color: #4d6260; line-height: 1.5; }
.qr-block code { overflow-wrap: anywhere; font-size: 13px; }
footer { padding: 24px; color: #71817d; text-align: center; font-size: 13px; }
@media (max-width: 520px) { .qr-block { align-items: flex-start; flex-direction: column; } .qr-block img { max-width: 184px; } }