* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
  color: #101417;
  background:
    radial-gradient(circle at 20% 10%, rgba(91,190,235,.18), transparent 34%),
    linear-gradient(145deg, #f7fcff, #eaf7fd);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.landing-card {
  width: min(560px, 100%);
  padding: 34px 26px;
  border: 1px solid #cedfe7;
  border-radius: 28px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 24px 70px rgba(36,90,117,.14);
}
.logo { width: 62px; height: 62px; object-fit: contain; border-radius: 16px; }
.eyebrow { display: block; margin-top: 22px; color: #60727b; font-size: 11px; font-weight: 700; letter-spacing: 1.6px; }
h1 { margin: 11px 0 12px; font-size: clamp(27px, 7vw, 38px); line-height: 1.25; }
.landing-card > p { margin: 0 0 26px; color: #64747c; font-size: 16px; line-height: 1.75; }
.contacts { display: grid; gap: 12px; }
.contact-row { padding: 14px; display: grid; grid-template-columns: 1fr 124px; gap: 14px; align-items: center; border: 1px solid #d5e3e9; border-radius: 18px; background: #f4f9fb; }
.contact-info { min-width: 0; padding: 15px 16px; border: 1px solid #d5e3e9; border-radius: 16px; background: #f4f9fb; }
.contact-row .contact-info { padding: 0; border: 0; border-radius: 0; background: transparent; }
.contact-info small { display: block; margin-bottom: 6px; color: #697981; }
.contact-info strong { display: block; font-size: 18px; overflow-wrap: anywhere; }
.contact-qr { display: block; width: min(180px, 100%); height: auto; aspect-ratio: 1; margin-top: 13px; object-fit: cover; border: 1px solid #d5e3e9; border-radius: 16px; background: white; }
.copy, .open { min-width: 0; min-height: 46px; padding: 0 17px; display: grid; place-items: center; border: 0; border-radius: 16px; color: white; background: #0b1115; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
.copy.done { background: #087a48; }
.actions { display: grid; grid-template-columns: 1fr; gap: 8px; }
.open { min-width: 0; }
.tip, .loading { margin-top: 18px; color: #7b898f; font-size: 12px; text-align: center; }
@media (max-width: 520px) {
  .landing-card { padding: 29px 19px; border-radius: 23px; }
  .contact-row { grid-template-columns: 1fr; }
  .contact-qr { width: min(170px, 100%); }
  .actions { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  h1 { font-size: 28px; }
}