.trial-float {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 1.25em;
  border: 1px solid #d8dfd2;
  border-radius: 2em;
  background: #184738;
  color: #fffaf2;
  box-shadow: 0 3px 12px #183c3026;
  font: 650 16px/1.4 system-ui, sans-serif;
  text-decoration: none;
}
.trial-float[hidden] { display: none; }
.trial-float:focus-visible { outline: 3px solid #b4511d; outline-offset: 3px; }
html { scroll-padding-bottom: calc(66px + env(safe-area-inset-bottom)); }
body { padding-bottom: calc(66px + env(safe-area-inset-bottom)); }

@media (max-width: 900px) {
  .trial-float {
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: none;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
    min-height: 52px;
    padding: 10px 16px max(12px, env(safe-area-inset-bottom));
    box-shadow: 0 -4px 18px #183c3026;
  }
  html { scroll-padding-bottom: calc(92px + env(safe-area-inset-bottom)); }
  body { padding-bottom: calc(92px + env(safe-area-inset-bottom)); }
}

@media print { .trial-float { display: none; } }