.page-about {
  --about-rule-dark: rgba(255, 255, 255, .13);
  --about-rule-light: rgba(11, 26, 19, .15);
  --about-glow: rgba(51, 242, 192, .16);
  background: var(--night-turf);
  color: var(--paper-mist);
}

.page-about .about-crumb {
  padding-top: clamp(16px, 3vw, 28px);
  padding-bottom: clamp(8px, 2vw, 16px);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  padding: 0 0 clamp(52px, 9vw, 112px);
}

.page-about .about-hero__frame {
  position: relative;
  padding: clamp(30px, 6vw, 74px) clamp(20px, 5vw, 70px) clamp(34px, 6vw, 66px);
  border: 1px solid var(--line-green);
  background:
    radial-gradient(110% 82% at 92% 2%, var(--about-glow), transparent 60%),
    linear-gradient(158deg, var(--deep-turf) 0%, var(--night-turf) 74%);
  overflow: hidden;
}

.page-about .about-hero__corner {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 0 solid var(--signal-cyan);
  opacity: .85;
}

.page-about .about-hero__corner--tl { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; }
.page-about .about-hero__corner--tr { top: -1px; right: -1px; border-top-width: 2px; border-right-width: 2px; }
.page-about .about-hero__corner--bl { bottom: -1px; left: -1px; border-bottom-width: 2px; border-left-width: 2px; }
.page-about .about-hero__corner--br { bottom: -1px; right: -1px; border-bottom-width: 2px; border-right-width: 2px; }

.page-about .about-hero__eyebrow {
  color: var(--mist-text);
}

.page-about .about-hero__title {
  margin: clamp(16px, 3vw, 26px) 0 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8.6vw, 100px);
  line-height: .98;
  letter-spacing: -0.02em;
  color: var(--paper-mist);
}

.page-about .about-hero__title em {
  display: block;
  font-style: normal;
  color: var(--signal-cyan);
}

.page-about .about-hero__lede {
  margin-top: clamp(20px, 3vw, 34px);
  max-width: 60ch;
  color: var(--mist-text);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
}

.page-about .about-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- shared page headings ---------- */
.page-about .about-h2 {
  margin: clamp(12px, 2vw, 20px) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.6vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-about .about-index--dark {
  color: var(--line-green);
}

.page-about .about-team__lede,
.page-about .about-partners__lede,
.page-about .about-track__note,
.page-about .about-long__note,
.page-about .about-why__note,
.page-about .about-source__note {
  margin: clamp(14px, 2vw, 22px) 0 0;
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 1.8;
}

/* ---------- 01 why ---------- */
.page-about .about-why__grid {
  row-gap: clamp(28px, 4vw, 52px);
}

.page-about .about-why__note {
  color: #3c4f46;
}

.page-about .about-why__body .prose {
  color: var(--ink-text);
}

.page-about .about-why__body .prose + .prose {
  margin-top: 16px;
}

.page-about .about-order {
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--about-rule-light);
}

.page-about .about-order__item {
  position: relative;
  display: grid;
  grid-template-columns: clamp(44px, 6vw, 68px) minmax(0, 1fr);
  column-gap: clamp(12px, 2vw, 22px);
  row-gap: 4px;
  padding: clamp(16px, 2.4vw, 24px) 0 clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--about-rule-light);
  transition: background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-about .about-order__item:hover {
  background-color: rgba(51, 242, 192, .12);
  padding-left: 12px;
}

.page-about .about-order__num {
  grid-row: 1 / span 2;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--line-green);
  padding-top: 5px;
}

.page-about .about-order__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: .01em;
}

.page-about .about-order__desc {
  margin: 0;
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 1.75;
  color: #45564d;
}

/* ---------- 02 team ---------- */
.page-about .about-team__head {
  max-width: 62ch;
}

.page-about .about-team__lede {
  color: var(--mist-text);
}

.page-about .about-team__grid {
  margin-top: clamp(30px, 4.5vw, 56px);
  row-gap: clamp(30px, 4vw, 48px);
  align-items: start;
}

.page-about .about-rail {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--about-rule-dark);
}

.page-about .about-rail__item {
  position: relative;
  display: grid;
  grid-template-columns: clamp(38px, 5vw, 64px) minmax(0, 1fr);
  column-gap: clamp(12px, 2vw, 20px);
  row-gap: 4px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--about-rule-dark);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-rail__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--signal-cyan);
  transition: width var(--dur) var(--ease);
}

.page-about .about-rail__item:hover,
.page-about .about-rail__item:focus-within {
  transform: translateY(-4px);
  border-color: var(--signal-cyan);
}

.page-about .about-rail__item:hover::before,
.page-about .about-rail__item:focus-within::before {
  width: 100%;
}

.page-about .about-rail__num {
  grid-row: 1 / span 2;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--score-gold);
  padding-top: 5px;
}

.page-about .about-rail__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 800;
  letter-spacing: .01em;
}

.page-about .about-rail__desc {
  margin: 0;
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 1.8;
  color: var(--mist-text);
}

.page-about .about-team__media .media-frame {
  margin: 0;
}

/* ---------- 03 source ---------- */
.page-about .about-source__figure {
  margin: 0 0 clamp(30px, 4.5vw, 54px);
}

.page-about .about-source__grid {
  row-gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-about .about-source__note {
  color: #3c4f46;
}

.page-about .about-source__note + .about-source__note {
  margin-top: 14px;
}

.page-about .about-flow {
  padding: clamp(18px, 3vw, 32px) clamp(14px, 3vw, 34px);
  border: 1px solid var(--about-rule-light);
  background: rgba(255, 255, 255, .62);
}

.page-about .about-flow svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-flow__line {
  fill: none;
  stroke: rgba(11, 26, 19, .34);
  stroke-width: 1.5;
}

.page-about .about-flow__out {
  fill: none;
  stroke: var(--signal-cyan);
  stroke-width: 2.5;
}

.page-about .about-flow__pt {
  fill: var(--deep-turf);
}

.page-about .about-flow__pt--gold {
  fill: var(--score-gold);
}

.page-about .about-flow__hub {
  fill: var(--signal-cyan);
}

.page-about .about-flow__hub-ring {
  fill: none;
  stroke: var(--signal-cyan);
  stroke-width: 1.2;
  opacity: .55;
}

.page-about .about-flow__label {
  fill: var(--ink-text);
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .02em;
}

.page-about .about-flow__label--out {
  fill: var(--line-green);
  font-family: var(--font-data);
  font-size: 13px;
}

.page-about .about-flow__caption {
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: clamp(13px, 1.4vw, 14px);
  line-height: 1.75;
  color: #45564d;
}

/* ---------- 04 track ---------- */
.page-about .about-track__grid {
  row-gap: clamp(30px, 4.5vw, 54px);
  align-items: start;
}

.page-about .about-track__note {
  color: var(--mist-text);
}

.page-about .about-track__figure {
  margin: clamp(26px, 3.5vw, 40px) 0 0;
}

.page-about .about-timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(18px, 3vw, 42px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline__item {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px) 0 clamp(22px, 3vw, 30px);
  border-top: 2px solid var(--line-green);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--signal-cyan);
  transition: width var(--dur) var(--ease);
}

.page-about .about-timeline__item:hover,
.page-about .about-timeline__item:focus-within {
  transform: translateY(-4px);
  border-color: var(--signal-cyan);
}

.page-about .about-timeline__item:hover::before,
.page-about .about-timeline__item:focus-within::before {
  width: 100%;
}

.page-about .about-timeline__ver {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist-text);
  transition: color var(--dur) var(--ease);
}

.page-about .about-timeline__item:hover .about-timeline__ver {
  color: var(--score-gold);
}

.page-about .about-timeline__item--now .about-timeline__ver {
  color: var(--score-gold);
}

.page-about .about-timeline__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 800;
  letter-spacing: .01em;
}

.page-about .about-timeline__desc {
  margin: 10px 0 0;
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 1.8;
  color: var(--mist-text);
}

/* ---------- 05 partners ---------- */
.page-about .about-partners__head {
  max-width: 66ch;
}

.page-about .about-partners__lede {
  color: #3c4f46;
}

.page-about .about-partners__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
  margin-top: clamp(30px, 4.5vw, 54px);
}

.page-about .about-partners__card {
  position: relative;
  padding: clamp(22px, 3vw, 34px) clamp(20px, 2.6vw, 30px) clamp(26px, 3vw, 36px);
  border: 1px solid var(--about-rule-light);
  background: rgba(255, 255, 255, .5);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .about-partners__card:hover,
.page-about .about-partners__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-green);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 18px 42px rgba(4, 18, 12, .14);
}

.page-about .about-partners__num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--line-green);
}

.page-about .about-partners__title {
  margin: clamp(12px, 2vw, 18px) 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 800;
  color: var(--ink-text);
}

.page-about .about-partners__desc {
  margin: 12px 0 0;
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 1.8;
  color: #45564d;
}

/* ---------- 06 long ---------- */
.page-about .about-long__grid {
  row-gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-about .about-long__note {
  color: var(--mist-text);
}

.page-about .about-long__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--about-rule-dark);
}

.page-about .about-long__item {
  display: grid;
  grid-template-columns: clamp(38px, 5vw, 60px) minmax(0, 1fr);
  column-gap: clamp(12px, 2vw, 20px);
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--about-rule-dark);
}

.page-about .about-long__num {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--score-gold);
  padding-top: 6px;
}

.page-about .about-long__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.1vw, 23px);
  font-weight: 800;
  letter-spacing: .01em;
}

.page-about .about-long__desc {
  margin: 10px 0 0;
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 1.8;
  color: var(--mist-text);
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 28px;
  margin-top: clamp(36px, 5vw, 62px);
  padding: clamp(22px, 3vw, 34px) clamp(20px, 3vw, 36px);
  border: 1px solid var(--line-green);
  background: linear-gradient(120deg, rgba(51, 242, 192, .12), transparent 62%);
}

.page-about .about-cta__text {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 27px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper-mist);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

/* ---------- focus ---------- */
.page-about a:focus-visible,
.page-about .about-partners__card:focus-visible,
.page-about button:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

/* ---------- tablet ---------- */
@media (max-width: 1024px) {
  .page-about .about-partners__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- narrow ---------- */
@media (max-width: 820px) {
  .page-about .about-why__grid > *,
  .page-about .about-team__grid > *,
  .page-about .about-source__grid > *,
  .page-about .about-track__grid > *,
  .page-about .about-long__grid > * {
    grid-column: 1 / -1;
  }

  .page-about .about-timeline {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-about .about-hero__title {
    max-width: none;
    font-size: clamp(34px, 10vw, 56px);
  }

  .page-about .about-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- small ---------- */
@media (max-width: 460px) {
  .page-about .about-hero__frame {
    padding: 24px 18px 28px;
  }

  .page-about .about-hero__corner {
    width: 16px;
    height: 16px;
  }

  .page-about .about-order__item,
  .page-about .about-rail__item,
  .page-about .about-long__item {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-about .about-order__num,
  .page-about .about-rail__num {
    grid-row: auto;
    padding-top: 0;
  }

  .page-about .about-flow {
    padding: 14px 10px;
  }
}