.validation-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 20px;
  align-items: center;
  padding: 12px max(24px, calc((100vw - 992px) / 2));
  background: #17221c;
  color: #fff;
  box-shadow: 0 4px 20px #0002;
}

.validation-bar div { display: grid; gap: 1px; }
.validation-bar span { color: #d9e2dc; font-size: 13px; }
.validation-bar p { grid-column: 1 / -1; margin: 0; color: #dfff76; font-size: 13px; }
.interest-button {
  grid-row: 1 / 2;
  grid-column: 2;
  border: 0;
  border-radius: 9px;
  padding: 10px 15px;
  background: #dfff76;
  color: #17221c;
  font-weight: 800;
  cursor: pointer;
}
.interest-button:disabled { opacity: .75; cursor: default; }
footer { max-width: 900px; margin: auto; }

@media (max-width: 700px) {
  .validation-bar { position: static; grid-template-columns: 1fr; padding: 14px 18px; }
  .interest-button { grid-row: auto; grid-column: auto; width: 100%; margin-top: 7px; }
  .validation-bar p { grid-column: auto; }
}

@media print { .validation-bar { display: none !important; } }