/* Capability index — the complete feature catalog, in the same liquid-glass
   language as the rest of the page. Everything here is readable without
   JavaScript; the filter chips are progressive enhancement only. */

.catalog-section {
  position: relative;
  overflow: hidden;
}
.catalog-section::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 90px;
  left: -8%;
  width: 55%;
  height: 620px;
  background: radial-gradient(ellipse at 30% 35%, #12302638, transparent 70%);
  pointer-events: none;
}

.catalog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.catalog-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: linear-gradient(140deg, #d6fff20a, #d6fff202);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition:
    border-color 0.3s,
    background 0.3s,
    color 0.3s;
}
.catalog-chip b {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
}
.catalog-chip:hover {
  border-color: var(--line-strong);
  color: var(--text);
}
.catalog-chip[aria-pressed="true"] {
  border-color: var(--accent-line);
  background: linear-gradient(140deg, #9df3cf1f, #9df3cf08);
  color: var(--accent);
}
.catalog-chip[aria-pressed="true"] b {
  color: var(--accent-strong);
}

.catalog-status {
  margin: -18px 0 26px;
  color: var(--faint);
  font-size: 12px;
}

.catalog-groups {
  display: grid;
  gap: 16px;
}

.catalog-group {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 44px;
  padding: 32px 34px;
  border: 1px solid #d2ffe915;
  border-radius: 22px;
  background: linear-gradient(140deg, #d6fff20a, #d6fff201);
  box-shadow: inset 0 1px 0 #ffffff06;
  transition:
    border-color 0.35s,
    background 0.35s;
}
.catalog-group:hover {
  border-color: #c5ffdc2e;
  background: linear-gradient(140deg, #d6fff20f, #d6fff203);
}

.catalog-group > header {
  position: sticky;
  top: 132px;
  align-self: start;
}
.catalog-num {
  display: block;
  margin-bottom: 14px;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.catalog-group h3 {
  font-family: var(--display);
  font-size: 23px;
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.2;
}
.catalog-group header > p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.catalog-count {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.catalog-count i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-strong);
  box-shadow: 0 0 10px #65dbae66;
}

.catalog-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 34px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.catalog-list > li {
  padding: 13px 0 14px;
  border-top: 1px solid #d2ffe90f;
}
.catalog-list > li:first-child,
.catalog-list > li:nth-child(2) {
  border-top: 0;
  padding-top: 2px;
}
.catalog-list strong {
  display: block;
  color: var(--text);
  font-size: 13px;
  font-weight: 550;
  letter-spacing: -0.01em;
}
.catalog-list span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.75;
}
.catalog-list em {
  display: inline-block;
  margin-left: 7px;
  padding: 2px 7px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  color: var(--accent);
  font-size: 9px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: 2px;
}

.catalog-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
  margin-top: 26px;
  padding: 20px 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #0d17160f;
  color: var(--faint);
  font-size: 12px;
  line-height: 1.8;
}
.catalog-foot strong {
  color: var(--text-soft);
  font-weight: 550;
}

@media (max-width: 1040px) {
  .catalog-group {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 32px;
  }
  .catalog-list {
    grid-template-columns: minmax(0, 1fr);
  }
  .catalog-list > li:nth-child(2) {
    border-top: 1px solid #d2ffe90f;
    padding-top: 13px;
  }
}

@media (max-width: 760px) {
  .catalog-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding: 26px 22px;
  }
  .catalog-group > header {
    position: static;
  }
  .catalog-filter {
    gap: 7px;
  }
}

@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  .catalog-group,
  .catalog-chip {
    background: var(--surface);
    border-color: var(--line-strong);
  }
  .catalog-chip[aria-pressed="true"] {
    background: var(--surface-raised);
  }
}