.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-label);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 0;
  border-radius: 0;
  padding: 0.85rem 1.25rem;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.btn--primary {
  background: var(--c-saffron);
  color: var(--c-ink);
}

.btn--primary:hover {
  background: var(--c-petrol);
  color: var(--c-sage);
}

.btn--ghost {
  background: transparent;
  color: var(--c-petrol);
  outline: 2px solid var(--c-petrol);
  outline-offset: -2px;
}

.btn--ghost:hover {
  background: var(--c-petrol);
  color: var(--c-sage);
}

.btn--quiet {
  background: transparent;
  color: var(--c-muted);
  letter-spacing: 0.02em;
  text-transform: none;
  font-weight: 500;
  padding: 0;
  text-decoration: none;
}

.btn--quiet:hover {
  color: var(--c-petrol);
  text-decoration: underline;
}

.badge {
  display: inline-block;
  max-width: 9.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--c-petrol);
  color: var(--c-sage);
  padding: 0.35rem 0.55rem;
  vertical-align: middle;
  position: relative;
}

.badge[data-tip]:hover::after,
.badge[data-tip]:focus::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  bottom: calc(100% + 0.35rem);
  background: var(--c-ink);
  color: var(--c-sage);
  padding: 0.4rem 0.55rem;
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  z-index: 5;
  max-width: 16rem;
}

.grade {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  font-family: var(--font-label);
}

.grade__letter {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--c-saffron);
  letter-spacing: -0.02em;
}

.grade__note {
  font-size: 0.8125rem;
  color: var(--c-muted);
  max-width: 22ch;
  line-height: 1.35;
}