/* ============ Options ============ */
.opt-group { padding: 2.2rem 0; border-top: 1px solid var(--border); }
.opt-group:first-of-type { border-top: none; padding-top: 0; }
.opt-group h3 {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 300;
  color: var(--ink); margin-bottom: 1rem; letter-spacing: -.01em;
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.opt-group-price {
  font-family: var(--font-body);
  font-size: .85rem; font-weight: 600;
  color: var(--accent);
  letter-spacing: .02em;
  white-space: nowrap;
}
.opt-group ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: .35rem;
}
.opt-group li {
  padding: .6rem .9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: .92rem; color: #333; line-height: 1.45;
}
.opt-group li::before {
  content: ""; display: inline-block;
  width: 6px; height: 6px;
  background: var(--accent); border-radius: 50%;
  margin-right: .6rem; vertical-align: middle;
}