.page-products {
  --cat-rule: rgba(216, 255, 62, .22);
  --cat-gap: clamp(1.6rem, 4vw, 3rem);
  background: var(--c-night);
  color: var(--c-text);
}

.page-products .section--paper {
  --cat-rule: rgba(11, 12, 14, .16);
}

.page-products .section--ink {
  --cat-rule: rgba(247, 245, 239, .16);
}

/* ---------- HERO ---------- */

.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.2rem, 6vw, 5rem) 0 0;
  background:
    radial-gradient(120% 90% at 82% 5%, rgba(31, 107, 79, .55) 0%, transparent 58%),
    linear-gradient(180deg, var(--c-night) 0%, var(--c-night-2) 100%);
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--cat-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--cat-rule) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: .35;
  pointer-events: none;
}

.page-products .cat-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .cat-hero__eyebrow {
  margin-top: clamp(1.4rem, 3vw, 2.4rem);
  color: var(--c-volt);
}

.page-products .cat-hero__title {
  margin: .5rem 0 0;
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(2.3rem, 6.4vw, 5.4rem);
  line-height: .96;
  letter-spacing: -.012em;
  text-wrap: balance;
}

.page-products .cat-hero__lede {
  max-width: 46ch;
  margin: clamp(1.1rem, 2.5vw, 1.8rem) 0 0;
  font-size: clamp(.95rem, 1.3vw, 1.05rem);
  line-height: 1.8;
  color: var(--c-text-dim);
}

.page-products .cat-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.6rem;
  margin: clamp(1.4rem, 3vw, 2.2rem) 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--cat-rule);
  font-family: var(--f-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--c-text-dim);
}

.page-products .cat-hero__meta .num {
  color: var(--c-volt);
  font-size: .95rem;
  margin-right: .25rem;
}

.page-products .cat-hero__media {
  position: relative;
  z-index: 1;
  width: 100%;
  margin: clamp(2rem, 5vw, 3.4rem) 0 0;
}

/* ---------- SHARED HEADINGS ---------- */

.page-products .cat-h2 {
  margin: .5rem 0 0;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -.008em;
  text-wrap: balance;
}

.page-products .cat-lede {
  max-width: 56ch;
  margin: .9rem 0 0;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--c-ink-dim);
}

.page-products .cat-panel p {
  max-width: 58ch;
  margin: .9rem 0 0;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--c-text-dim);
}

.page-products .cat-panel p:first-of-type {
  margin-top: 1rem;
}

/* ---------- OVERVIEW ---------- */

.page-products .cat-overview {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-products .cat-filter {
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
}

.page-products .cat-index {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 2rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--cat-rule);
}

.page-products .cat-index__row {
  border-bottom: 1px solid var(--cat-rule);
}

.page-products .cat-index__link {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: .15rem .9rem;
  padding: .95rem .2rem .95rem .7rem;
  border-left: 3px solid transparent;
  color: inherit;
  text-decoration: none;
  transition: background .25s ease, border-color .25s ease, padding-left .25s ease;
}

.page-products .cat-index__link:hover,
.page-products .cat-index__link:focus-visible {
  background: rgba(216, 255, 62, .1);
  border-left-color: var(--c-stop);
  padding-left: 1.1rem;
}

.page-products .cat-index__no {
  grid-row: 1 / span 2;
  font-size: .82rem;
  color: var(--c-stop);
  letter-spacing: .08em;
}

.page-products .cat-index__name {
  font-family: var(--f-display);
  font-size: 1.22rem;
  line-height: 1.2;
}

.page-products .cat-index__desc {
  grid-column: 2;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--c-ink-dim);
}

.page-products .cat-index__meta {
  grid-column: 2;
  margin-top: .35rem;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--c-stop);
}

.page-products .cat-index__empty {
  margin: 1.2rem 0 0;
  font-size: .9rem;
  color: var(--c-ink-dim);
}

/* ---------- COLUMN PANELS ---------- */

.page-products .cat-columns {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-products .cat-columns__grid {
  display: grid;
  gap: var(--cat-gap);
}

.page-products .cat-rail__list {
  list-style: none;
  margin: .8rem 0 0;
  padding: 0;
}

.page-products .cat-rail__link {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: .7rem;
  align-items: baseline;
  padding: .55rem .7rem;
  border-left: 2px solid rgba(216, 255, 62, .28);
  color: var(--c-text-dim);
  font-size: .88rem;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-products .cat-rail__link .num {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--c-grey);
}

.page-products .cat-rail__link:hover,
.page-products .cat-rail__link:focus-visible {
  border-left-color: var(--c-volt);
  background: var(--c-glass);
  color: var(--c-text);
}

.page-products .cat-panel {
  padding: clamp(1.6rem, 4vw, 2.6rem) 0;
  border-top: 1px solid var(--cat-rule);
}

.page-products .cat-panel:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .cat-panel__body {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.4rem);
}

.page-products .cat-panel__media {
  margin: 1.2rem 0 0;
}

.page-products .cat-panel__banner {
  margin: 1.4rem 0 0;
}

/* fields */

.page-products .cat-fields {
  margin: 1.2rem 0 0;
}

.page-products .cat-fields__row {
  display: grid;
  gap: .25rem;
  padding: .75rem 0;
  border-top: 1px solid var(--cat-rule);
}

.page-products .cat-fields__row:last-child {
  border-bottom: 1px solid var(--cat-rule);
}

.page-products .cat-fields dt {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--c-volt);
}

.page-products .cat-fields dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--c-text-dim);
}

/* rounds strip */

.page-products .cat-rounds {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14px, 1fr));
  gap: 4px;
  margin: 1.4rem 0 0;
}

.page-products .cat-rounds span {
  height: 34px;
  background: rgba(216, 255, 62, .1);
  border: 1px solid rgba(216, 255, 62, .24);
}

.page-products .cat-rounds span:nth-child(4n+3),
.page-products .cat-rounds span:nth-child(7n),
.page-products .cat-rounds span:nth-child(16n+2) {
  background: var(--c-volt);
  border-color: var(--c-volt);
}

/* ---------- ENTRY POINTS ---------- */

.page-products .cat-entries-wrap {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-products .cat-entries {
  list-style: none;
  margin: clamp(1.4rem, 3vw, 2.2rem) 0 0;
  padding: 0;
}

.page-products .cat-entries__item {
  padding: 1.3rem 0;
  border-top: 1px solid var(--cat-rule);
}

.page-products .cat-entries__no {
  display: inline-block;
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--c-volt);
}

.page-products .cat-entries__title {
  margin: .45rem 0 0;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 1.22rem;
  line-height: 1.25;
}

.page-products .cat-entries__item p {
  max-width: 46ch;
  margin: .55rem 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(247, 245, 239, .68);
}

/* ---------- REFERENCE + NEXT ---------- */

.page-products .cat-ref {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-products .cat-ref__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3.2rem);
}

.page-products .cat-ref p {
  max-width: 54ch;
  margin: .9rem 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--c-ink-dim);
}

.page-products .cat-next__list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--cat-rule);
}

.page-products .cat-next__item {
  display: grid;
  gap: .2rem;
  padding: .8rem .2rem;
  border-bottom: 1px solid var(--cat-rule);
  color: inherit;
  text-decoration: none;
  transition: padding-left .2s ease, background .2s ease;
}

.page-products .cat-next__item:hover,
.page-products .cat-next__item:focus-visible {
  padding-left: .7rem;
  background: rgba(216, 255, 62, .14);
}

.page-products .cat-next__k {
  font-family: var(--f-display);
  font-size: 1.05rem;
}

.page-products .cat-next__v {
  font-size: .85rem;
  line-height: 1.65;
  color: var(--c-ink-dim);
}

/* ---------- RESPONSIVE ---------- */

@media (min-width: 620px) {
  .page-products .cat-index__link {
    grid-template-columns: 3.2rem minmax(7rem, 11rem) minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 1.2rem;
    padding-inline: 1rem .8rem;
  }

  .page-products .cat-index__no,
  .page-products .cat-index__desc,
  .page-products .cat-index__meta {
    grid-row: auto;
    grid-column: auto;
    margin-top: 0;
  }

  .page-products .cat-index__meta {
    text-align: right;
    white-space: nowrap;
  }

  .page-products .cat-fields__row {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 1.2rem;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-products .cat-entries {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .cat-entries__item:nth-child(odd) {
    padding-right: clamp(1.2rem, 3vw, 2.4rem);
    border-right: 1px solid var(--cat-rule);
  }

  .page-products .cat-entries__item:nth-child(even) {
    padding-left: clamp(1.2rem, 3vw, 2.4rem);
  }
}

@media (min-width: 900px) {
  .page-products .cat-panel__body {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-products .cat-panel__body--flip {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }

  .page-products .cat-ref__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .cat-columns__grid {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-products .cat-rail {
    position: sticky;
    top: 92px;
  }
}
<<<END>>>