.page-home {
  --home-line: rgba(51, 88, 122, 0.55);
  --home-soft: rgba(244, 246, 245, 0.62);
  --home-faint: rgba(244, 246, 245, 0.42);
  --home-rule: #D5DBDF;
  background: var(--paper-050);
  color: var(--ink-900);
  overflow-x: hidden;
}

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

.page-home .hero {
  background: var(--ink-900);
  color: var(--on-dark);
  padding-top: 40px;
  overflow: hidden;
}

.page-home .hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-bottom: 8px;
}

.page-home .hero__crumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--home-faint);
  margin: 0 0 28px;
}

.page-home .hero__title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(34px, 6.6vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 26px;
  color: var(--on-dark);
  max-width: 14ch;
}

.page-home .hero__title strong {
  font-weight: 700;
  color: var(--amber-500);
}

.page-home .hero__lede {
  font-size: 16px;
  line-height: 1.75;
  color: var(--home-soft);
  max-width: 46ch;
  margin: 0;
}

.page-home .hero__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--home-faint);
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--home-line);
  max-width: 46ch;
}

.page-home .hero__aside {
  border-top: 1px solid var(--home-line);
  padding-top: 22px;
}

.page-home .hero__status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--on-dark);
  margin: 0 0 20px;
}

.page-home .hero__figure {
  margin: 0 0 22px;
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(244, 246, 245, 0.14);
}

.page-home .hero__index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .hero__index li {
  border-bottom: 1px solid var(--home-line);
}

.page-home .hero__index a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  color: var(--on-dark);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

.page-home .hero__index a:hover,
.page-home .hero__index a:focus-visible {
  color: var(--amber-500);
}

.page-home .hero__index .num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-500);
  flex: none;
}

.page-home .hero__index .label {
  font-size: 15px;
}

.page-home .hero__index .meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--home-faint);
}

.page-home .hero__account {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--amber-500);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  transition: opacity var(--dur-fast) var(--ease);
}

.page-home .hero__account:hover,
.page-home .hero__account:focus-visible {
  opacity: 0.78;
}

/* timeline */

.page-home .hero__timeline {
  position: relative;
  margin-top: 44px;
  padding-top: 34px;
  padding-bottom: 44px;
  border-top: 1px solid var(--home-line);
}

.page-home .hero__timeline .band {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 96px;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(224, 138, 23, 0) 0%, rgba(224, 138, 23, 0.17) 38%, rgba(169, 218, 208, 0.15) 78%, rgba(169, 218, 208, 0) 100%),
    linear-gradient(180deg, rgba(51, 88, 122, 0.28), rgba(51, 88, 122, 0));
}

.page-home .timeline {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(200px, 1fr);
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
}

.page-home .timeline__item {
  position: relative;
  min-width: 0;
  padding: 0 22px 0 0;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 5px;
  height: 1px;
  background: var(--home-line);
}

.page-home .timeline__item:last-child::before {
  right: 55%;
}

.page-home .timeline__dot {
  position: relative;
  z-index: 1;
  display: block;
  width: 11px;
  height: 11px;
  background: var(--ink-900);
  border: 1px solid var(--blue-500);
  margin-bottom: 20px;
}

.page-home .timeline__dot--now {
  background: var(--amber-500);
  border-color: var(--amber-500);
}

.page-home .timeline__year {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-500);
  margin: 0 0 6px;
}

.page-home .timeline__label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--home-soft);
  margin: 0;
  max-width: 26ch;
}

/* ---------- SHARED SECTION RHYTHM ---------- */

.page-home .section {
  padding: 64px 0;
}

.page-home .section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 0 0 34px;
}

.page-home .section-head__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-500);
  flex: none;
}

.page-home .section-head__title {
  font-family: var(--font-display);
  font-size: clamp(25px, 3.4vw, 34px);
  font-weight: 600;
  line-height: 1.2;
  margin: 0;
  color: var(--ink-900);
}

/* ---------- VERSIONS ---------- */

.page-home .versions__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-home .ver {
  border: 1px solid var(--home-rule);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .ver--old {
  background: var(--amber-200);
  border-color: rgba(224, 138, 23, 0.42);
}

.page-home .ver--new {
  background: var(--celadon-200);
  border-color: rgba(31, 127, 107, 0.38);
}

.page-home .ver__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-700);
  margin: 0;
}

.page-home .ver__title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
  color: var(--ink-950);
}

.page-home .ver__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-home .ver__list li {
  position: relative;
  padding-left: 18px;
}

.page-home .ver__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.page-home .versions__figure {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.page-home .versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--home-rule);
  background: var(--white-000);
}

.page-home .versions__figure figcaption {
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate-600);
  margin-top: 10px;
}

/* ---------- CYCLES ---------- */

.page-home .cycles__lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--slate-600);
  max-width: 62ch;
  margin: 0 0 30px;
}

.page-home .cycles__figure {
  margin: 0 0 32px;
}

.page-home .cycles__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--home-rule);
  background: var(--white-000);
}

.page-home .cycles__figure figcaption {
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate-600);
  margin-top: 10px;
}

.page-home .dim {
  border-top: 1px solid var(--home-rule);
  background: var(--white-000);
}

.page-home .dim:last-of-type {
  border-bottom: 1px solid var(--home-rule);
}

.page-home .dim > summary {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 14px;
  padding: 18px 18px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur-fast) var(--ease);
}

.page-home .dim > summary::-webkit-details-marker {
  display: none;
}

.page-home .dim > summary:hover,
.page-home .dim > summary:focus-visible {
  background: var(--paper-050);
}

.page-home .dim[open] > summary {
  background: var(--paper-050);
}

.page-home .dim__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-500);
}

.page-home .dim__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-home .dim__concl {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.7;
  color: var(--celadon-600);
}

.page-home .dim__note {
  margin: 0;
  padding: 0 18px 20px 62px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate-600);
  max-width: 76ch;
}

/* ---------- MULTI ---------- */

.page-home .multi__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-home .multi__figure {
  margin: 0;
}

.page-home .multi__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--home-rule);
  background: var(--white-000);
}

.page-home .multi__figure figcaption {
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate-600);
  margin-top: 10px;
}

.page-home .tabs__list {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--home-rule);
  margin-bottom: 22px;
}

.page-home .tabs__tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 12px 18px 11px;
  margin-bottom: -1px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--slate-600);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-home .tabs__tab:hover {
  color: var(--ink-900);
}

.page-home .tabs__tab[aria-selected="true"] {
  color: var(--ink-900);
  font-weight: 700;
  border-bottom-color: var(--amber-500);
}

.page-home .tabs__tab:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: -4px;
}

.page-home .tabs__panel[hidden] {
  display: none;
}

.page-home .tabs__panel + .tabs__panel {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--home-rule);
}

.page-home .panel__lead {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink-900);
  margin: 0 0 14px;
}

.page-home .panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-700);
}

.page-home .panel__list li {
  display: flex;
  gap: 12px;
}

.page-home .panel__list li::before {
  content: "—";
  flex: none;
  color: var(--celadon-600);
}

/* ---------- UPDATES ---------- */

.page-home .updates__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .update {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--home-rule);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-home .update:hover,
.page-home .update:focus-visible {
  border-bottom-color: var(--amber-500);
}

.page-home .update__cat {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-600);
}

.page-home .update__title {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-900);
  transition: color var(--dur-fast) var(--ease);
}

.page-home .update:hover .update__title,
.page-home .update:focus-visible .update__title {
  color: var(--amber-500);
}

.page-home .update__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--celadon-600);
}

/* ---------- NEXT ---------- */

.page-home .next {
  padding: 72px 0 96px;
}

.page-home .next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-home .next__paths {
  display: grid;
  gap: 4px;
}

.page-home .path {
  display: block;
  border-top: 1px solid var(--ink-900);
  padding: 22px 0 26px;
  text-decoration: none;
  color: var(--ink-900);
}

.page-home .path__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-500);
  margin-bottom: 12px;
}

.page-home .path__title {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 8px;
  transition: color var(--dur-fast) var(--ease);
}

.page-home .path__desc {
  display: block;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate-600);
  max-width: 52ch;
}

.page-home .path:hover .path__title,
.page-home .path:focus-visible .path__title {
  color: var(--amber-500);
}

.page-home .next__aside {
  border-top: 1px solid var(--home-rule);
  padding-top: 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-home .next__note {
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-600);
  margin: 0;
  max-width: 44ch;
}

.page-home .next__account {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--blue-500);
  padding-bottom: 3px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-home .next__account:hover,
.page-home .next__account:focus-visible {
  color: var(--amber-500);
  border-bottom-color: var(--amber-500);
}

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

@media (min-width: 700px) {
  .page-home .section {
    padding: 84px 0;
  }

  .page-home .dim > summary {
    grid-template-columns: 34px minmax(0, 1fr) minmax(0, 1fr);
    gap: 14px;
    padding: 20px 24px;
  }

  .page-home .dim__concl {
    grid-column: auto;
    text-align: right;
    align-self: center;
  }

  .page-home .dim__note {
    padding: 0 24px 24px 72px;
  }

  .page-home .updates__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 52px;
  }

  .page-home .update {
    grid-template-columns: 84px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 920px) {
  .page-home .hero {
    padding-top: 52px;
  }

  .page-home .hero__inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    column-gap: 56px;
    align-items: start;
  }

  .page-home .hero__title {
    max-width: 12ch;
  }

  .page-home .versions__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 4fr);
    gap: 24px;
    align-items: stretch;
  }

  .page-home .multi__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: 52px;
    align-items: start;
  }

  .page-home .next__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: 64px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-home .hero__inner {
    column-gap: 72px;
  }

  .page-home .hero__timeline {
    margin-top: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__index a,
  .page-home .hero__account,
  .page-home .dim > summary,
  .page-home .tabs__tab,
  .page-home .update,
  .page-home .update__title,
  .page-home .path__title,
  .page-home .next__account {
    transition: none;
  }
}