.buy-button:disabled {
  cursor: not-allowed;
  opacity: .58;
}

.checkout-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  background: #030303;
}

.checkout-shell {
  width: min(720px, calc(100% - 32px));
  margin: auto;
}

.checkout-panel {
  border: 1px solid #272727;
  border-top: 3px solid var(--red);
  padding: clamp(28px, 7vw, 64px);
  background: #080808;
}

.checkout-panel > img {
  display: block;
  margin-bottom: 28px;
}

.checkout-panel h1 {
  margin: 10px 0 16px;
  font-size: clamp(2.6rem, 8vw, 5rem);
  line-height: .92;
  letter-spacing: -.04em;
}

.checkout-panel > p {
  max-width: 580px;
  color: var(--muted);
  line-height: 1.7;
}

.checkout-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0;
  border: 1px solid #282828;
  padding: 14px;
  color: var(--ink);
  font: 600 .72rem Consolas, monospace;
  letter-spacing: .04em;
}

.checkout-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 12px rgba(223, 21, 29, .6);
}

.checkout-guidance {
  border-left: 2px solid #353535;
  padding-left: 14px;
  font-size: .82rem;
}

.checkout-panel .button {
  margin-top: 18px;
}