.page-about {
  --about-gap: clamp(18px, 3.2vw, 34px);
  --about-edge: clamp(18px, 2.6vw, 30px);
  background:
    radial-gradient(900px 520px at 88% -10%, rgba(61, 240, 210, .10), transparent 62%),
    radial-gradient(700px 420px at 6% 8%, rgba(242, 169, 59, .07), transparent 66%),
    var(--ink);
  color: var(--white);
}

.page-about .breadcrumb {
  padding-block: 18px 0;
}

.page-about .about-open {
  padding-block: clamp(20px, 3vw, 34px) var(--about-gap);
}

.page-about .about-open__grid {
  display: grid;
  gap: var(--about-gap);
}

.page-about .about-lede {
  color: var(--mist);
  font-size: clamp(1rem, 1.1vw, 1.06rem);
  max-width: 62ch;
  margin-top: 16px;
}

.page-about .display {
  margin-top: 14px;
  line-height: 1.12;
  letter-spacing: -.02em;
  max-width: 18ch;
}

.page-about .about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-plate {
  padding: var(--about-edge);
  border-radius: var(--r-l);
  background: linear-gradient(158deg, var(--panel) 0%, rgba(11, 18, 32, .92) 72%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  align-self: start;
}

.page-about .about-plate .anchor-num {
  color: var(--cyan);
  display: block;
  line-height: .92;
  margin-block: 6px 10px;
  font-size: clamp(3.1rem, 8vw, 4.4rem);
}

.page-about .plate-note {
  color: var(--mist);
  font-size: .94rem;
  line-height: 1.7;
  margin: 0;
  max-width: 34ch;
}

.page-about .plate-stats {
  list-style: none;
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

.page-about .plate-stats li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: .9rem;
  color: var(--mist);
}

.page-about .plate-stats .mono {
  color: var(--amber);
  font-size: 1.18rem;
  min-width: 3.4em;
}

.page-about .about-origin__grid {
  display: grid;
  gap: var(--about-gap);
}

.page-about .about-origin .prose {
  color: var(--mist);
  margin-top: 14px;
}

.page-about .about-origin .h2 {
  margin-top: 10px;
}

.page-about .origin-card {
  padding: var(--about-edge);
  border-radius: var(--r-l);
  align-self: start;
}

.page-about .origin-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .origin-list li {
  display: grid;
  grid-template-columns: 2.4em 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: .96rem;
  line-height: 1.6;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(36, 27, 19, .22);
}

.page-about .origin-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .origin-list .mono {
  color: #9a5a12;
  font-size: .92rem;
  letter-spacing: .04em;
}

.page-about .origin-card__foot {
  margin: 16px 0 0;
  font-size: .88rem;
  opacity: .78;
}

.page-about .about-flow .section-head .prose {
  color: var(--mist);
  margin-top: 12px;
}

.page-about .flow-figure {
  margin: var(--about-gap) 0;
  border-radius: var(--r-m);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .flow-figure figcaption {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--mist);
  padding: 10px 14px;
  background: var(--panel);
  border-top: 1px solid var(--line);
  letter-spacing: .02em;
}

.page-about .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .step {
  position: relative;
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--panel);
  border-top: 2px solid rgba(61, 240, 210, .38);
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}

.page-about .step:hover,
.page-about .step:focus {
  border-color: rgba(61, 240, 210, .62);
  outline: none;
}

.page-about .step:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-about .step__num {
  display: block;
  font-size: 1.55rem;
  color: var(--cyan);
  letter-spacing: -.03em;
  line-height: 1;
}

.page-about .step__title {
  margin: 12px 0 6px;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-about .step__sum {
  margin: 0;
  font-size: .9rem;
  line-height: 1.68;
  color: var(--mist);
}

.page-about .step__meta {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: .82rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .step__meta p {
  margin: 0 0 4px;
}

.page-about .step__meta p:last-child {
  margin-bottom: 0;
}

.page-about .step__who {
  color: var(--white);
  font-weight: 600;
}

.page-about .step__out {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .01em;
  color: rgba(147, 166, 194, .95);
}

.page-about .flow-note {
  margin-top: var(--about-gap);
  font-size: .92rem;
}

.page-about .about-team .section-head .prose {
  color: var(--mist);
  margin-top: 12px;
}

.page-about .about-filter {
  margin-top: var(--about-gap);
}

.page-about .about-filter__group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-about .about-filter__group .chip {
  font-size: .82rem;
  padding: 8px 14px;
}

.page-about .crew-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 10px;
}

.page-about .crew {
  display: grid;
  gap: 6px;
  padding: 14px 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--panel);
  min-height: 92px;
  align-content: start;
}

.page-about .crew__role {
  font-size: .74rem;
  letter-spacing: .12em;
  font-family: var(--font-mono);
  color: var(--mist);
  text-transform: uppercase;
}

.page-about .crew__desc {
  font-size: .9rem;
  line-height: 1.55;
  color: var(--white);
}

.page-about .crew--check {
  background: linear-gradient(160deg, rgba(242, 169, 59, .17), rgba(17, 28, 47, .96) 76%);
  border-color: rgba(242, 169, 59, .5);
}

.page-about .crew--check .crew__role {
  color: var(--amber);
}

.page-about .crew--rules {
  border-left: 3px solid rgba(61, 240, 210, .5);
}

.page-about .crew--export {
  border-left: 3px solid rgba(147, 166, 194, .5);
}

.page-about .crew--feedback {
  border-left: 3px solid rgba(228, 87, 46, .5);
}

.page-about .about-filter .empty-state {
  margin-top: 18px;
  font-size: .9rem;
  color: var(--mist);
}

.page-about .team-note {
  margin-top: var(--about-gap);
  font-size: .92rem;
}

.page-about .about-code__grid {
  display: grid;
  gap: var(--about-gap);
}

.page-about .code-plate {
  padding: var(--about-edge);
  border-radius: var(--r-l);
}

.page-about .code-plate .h3 {
  margin: 10px 0 12px;
  font-size: clamp(1.25rem, 2.4vw, 1.5rem);
}

.page-about .code-plate__lead {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
}

.page-about .code-plate__body {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin: 22px 0;
  padding: 20px 12px;
  border-radius: var(--r-m);
  background:
    repeating-linear-gradient(90deg, rgba(36, 27, 19, .07) 0 1px, transparent 1px 14px),
    var(--cream-deep);
  border: 1px dashed rgba(36, 27, 19, .35);
}

.page-about .code-plate__seg {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 700;
  color: var(--brown);
  letter-spacing: .03em;
}

.page-about .code-plate__dash {
  font-size: clamp(1.3rem, 4vw, 1.9rem);
  color: #9a5a12;
}

.page-about .code-plate__keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: .92rem;
  line-height: 1.6;
}

.page-about .code-plate__keys li {
  display: grid;
  grid-template-columns: 5.2em 1fr;
  gap: 10px;
  align-items: baseline;
}

.page-about .code-plate__keys .mono {
  color: #9a5a12;
  font-size: .92rem;
}

.page-about .code-plate__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(36, 27, 19, .2);
  font-size: .87rem;
  line-height: 1.7;
  opacity: .82;
}

.page-about .about-code__side {
  display: grid;
  gap: var(--about-gap);
  align-content: start;
}

.page-about .code-figure {
  border-radius: var(--r-m);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .code-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .tag-list {
  display: grid;
  gap: 10px;
}

.page-about .tag-item {
  display: grid;
  grid-template-columns: 6.4em 1fr;
  gap: 12px;
  align-items: center;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: rgba(17, 28, 47, .68);
}

.page-about .tag-item .tag {
  justify-self: start;
  font-size: .74rem;
  white-space: nowrap;
}

.page-about .tag-item__desc {
  font-size: .87rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-mile .section-head .prose {
  color: var(--mist);
  margin-top: 12px;
}

.page-about .about-ruler {
  position: relative;
  display: flex;
  gap: 10px;
  margin-top: var(--about-gap);
  padding: 24px 0 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-ruler::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--amber) 62%, var(--line));
}

.page-about .ruler__link {
  position: relative;
  flex: 0 0 auto;
  padding-top: 22px;
  min-width: 88px;
  text-align: center;
  font-size: 1.02rem;
  color: var(--mist);
  text-decoration: none;
  letter-spacing: .05em;
  transition: color .24s var(--ease);
}

.page-about .ruler__link::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 16px;
  background: var(--line);
  transition: background .24s var(--ease), height .24s var(--ease);
}

.page-about .ruler__link:hover,
.page-about .ruler__link:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-about .ruler__link:hover::before,
.page-about .ruler__link:focus-visible::before {
  background: var(--cyan);
  height: 22px;
  top: 8px;
}

.page-about .ruler__link--now {
  color: var(--amber);
}

.page-about .ruler__link--now::before {
  background: var(--amber);
  height: 22px;
  top: 8px;
}

.page-about .mile-list {
  list-style: none;
  margin: var(--about-gap) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .mile {
  display: grid;
  gap: 10px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--panel);
  scroll-margin-top: 120px;
}

.page-about .mile__year {
  font-size: 1.5rem;
  color: var(--cyan);
  letter-spacing: -.02em;
  line-height: 1;
}

.page-about .mile__year--now {
  color: var(--amber);
}

.page-about .mile__body .h3 {
  margin: 0 0 8px;
  font-size: 1.06rem;
}

.page-about .mile__body p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-cross__grid {
  display: grid;
  gap: var(--about-gap);
}

.page-about .about-cross .h2 {
  margin-top: 10px;
}

.page-about .about-cross .prose {
  color: var(--mist);
  margin-top: 14px;
}

.page-about .cross-list {
  list-style: none;
  margin: 0;
  padding: var(--about-edge);
  border-radius: var(--r-l);
  display: grid;
  gap: 12px;
  align-self: start;
}

.page-about .cross-list li {
  display: grid;
  grid-template-columns: 2.2em 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--mist);
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .cross-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .cross-list .mono {
  color: var(--cyan);
  font-size: .82rem;
}

.page-about .about-banner {
  padding-block: clamp(10px, 2vw, 18px);
}

.page-about .about-banner .media-frame {
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .about-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-cta {
  padding-block: var(--about-gap) clamp(44px, 6vw, 76px);
}

.page-about .about-cta__box {
  display: grid;
  gap: var(--about-gap);
  padding: var(--about-edge);
  border-radius: var(--r-l);
  background:
    radial-gradient(620px 300px at 92% 0%, rgba(61, 240, 210, .13), transparent 70%),
    var(--panel);
  border: 1px solid var(--line);
}

.page-about .about-cta__box .h2 {
  margin-top: 10px;
}

.page-about .about-cta__box .prose {
  color: var(--mist);
  margin-top: 12px;
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

@media (min-width: 760px) {
  .page-about .mile {
    grid-template-columns: 6.5rem 1fr;
    gap: 20px;
    padding: 22px 22px;
    align-items: start;
  }

  .page-about .step {
    padding: 22px 18px 18px;
  }
}

@media (min-width: 880px) {
  .page-about .about-open__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-about .about-origin__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-about .about-code__grid {
    grid-template-columns: 6fr 6fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-about .about-cross__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-about .about-cta__box {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    padding: clamp(28px, 3.4vw, 44px);
  }

  .page-about .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
  }

  .page-about .step {
    display: flex;
    flex-direction: column;
  }

  .page-about .step__meta {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    transition: max-height .32s var(--ease), opacity .28s var(--ease),
      margin-top .28s var(--ease), padding-top .28s var(--ease);
  }

  .page-about .step:hover .step__meta,
  .page-about .step:focus .step__meta,
  .page-about .step:focus-within .step__meta {
    max-height: 220px;
    opacity: 1;
    margin-top: 12px;
    padding-top: 12px;
    border-top-color: var(--line-soft);
  }

  .page-about .step::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -10px;
    width: 10px;
    height: 1px;
    background: rgba(61, 240, 210, .45);
  }

  .page-about .step:last-child::after {
    display: none;
  }

  .page-about .about-ruler {
    justify-content: space-between;
  }

  .page-about .ruler__link {
    min-width: 0;
    flex: 1 1 0;
  }
}

@media (max-width: 520px) {
  .page-about .tag-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-about .crew-grid {
    grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  }

  .page-about .code-plate__keys li {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .step,
  .page-about .step__meta,
  .page-about .ruler__link,
  .page-about .ruler__link::before {
    transition: none;
  }
}
<<<END>>>