.page-about {
  --about-gap: clamp(56px, 8vw, 104px);
  --about-rule: 1px solid var(--line);
  display: block;
  color: var(--paper);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  margin: clamp(18px, 2.6vw, 32px) 0 var(--about-gap);
  padding: clamp(38px, 5.6vw, 78px) 0 clamp(30px, 4vw, 52px);
  border-top: var(--about-rule);
  overflow: hidden;
}

.page-about .about-hero__panel {
  position: absolute;
  top: -14%;
  right: -12%;
  width: min(540px, 62%);
  height: 128%;
  background: linear-gradient(158deg, var(--ink-700) 0%, var(--ink-800) 52%, var(--ink-900) 100%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  border-left: 1px solid var(--line);
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero__body {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
  color: var(--paper);
}

.page-about .about-hero__lede {
  max-width: 44ch;
  margin: 22px 0 0;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.85;
  color: var(--ash);
}

.page-about .about-hero__note {
  position: absolute;
  top: 4px;
  right: -4px;
  letter-spacing: 0.22em;
  color: var(--ash);
  opacity: 0.62;
  z-index: 2;
}

.page-about .about-hero__stats {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: clamp(30px, 4.5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border-top: var(--about-rule);
  border-bottom: var(--about-rule);
}

.page-about .about-hero__stats .stat {
  background: var(--ink-900);
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .about-hero__stats .stat__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ash);
}

/* ---------- section shell ---------- */
.page-about .about-section {
  margin-bottom: var(--about-gap);
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-about .section-head {
  position: relative;
  padding-left: 18px;
  border-left: 2px solid var(--lime);
  margin-bottom: clamp(24px, 3.4vw, 40px);
  max-width: 62ch;
}

.page-about .section-head__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.7vw, 33px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-about .section-head__lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ash);
}

.page-about .about-body {
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ash);
}

.page-about .about-body p {
  margin: 0 0 1.6em;
}

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

.page-about .about-body strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- league wall ---------- */
.page-about .league-wall {
  display: grid;
  gap: 22px;
}

.page-about .league-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: var(--about-rule);
}

.page-about .league-card {
  position: relative;
  background: var(--ink-900);
  padding: 18px 16px 20px;
  min-width: 0;
  transition: background 0.26s var(--ease);
}

.page-about .league-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--lime);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.3s var(--ease);
}

.page-about .league-card:hover,
.page-about .league-card:focus-within {
  background: var(--ink-800);
}

.page-about .league-card:hover::before,
.page-about .league-card:focus-within::before {
  transform: scaleY(1);
}

.page-about .league-card__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss);
  margin-bottom: 10px;
}

.page-about .league-card__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.35;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-about .league-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  line-height: 2;
  color: var(--ash);
}

.page-about .league-card__list li {
  border-top: 1px dashed var(--line-soft);
  padding-left: 10px;
  position: relative;
}

.page-about .league-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9em;
  width: 4px;
  height: 4px;
  background: var(--clay);
}

/* ---------- figures ---------- */
.page-about .about-figure,
.page-about .about-banner {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: var(--about-rule);
  background: var(--ink-800);
}

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

.page-about .about-figure img {
  aspect-ratio: 1 / 1;
}

.page-about .about-banner img {
  aspect-ratio: 3 / 2;
}

.page-about .about-figure figcaption,
.page-about .about-banner figcaption {
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ash);
  border-top: var(--about-rule);
  background: var(--ink-800);
}

/* ---------- team ---------- */
.page-about .about-banner {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-about .team-roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: var(--about-rule);
}

.page-about .team-role {
  background: var(--ink-900);
  padding: 22px 20px 24px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no desc";
  column-gap: 18px;
  row-gap: 8px;
  transition: background 0.26s var(--ease);
}

.page-about .team-role:hover {
  background: var(--ink-800);
}

.page-about .team-role__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: -0.03em;
  min-width: 2ch;
}

.page-about .team-role__name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--paper);
  margin: 0;
  align-self: center;
}

.page-about .team-role__desc {
  grid-area: desc;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ash);
}

/* ---------- timeline ---------- */
.page-about .timeline-wrap {
  position: relative;
}

.page-about .timeline-band {
  position: relative;
  overflow: hidden;
  border: var(--about-rule);
  margin-bottom: 26px;
  background: var(--ink-800);
}

.page-about .timeline-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  opacity: 0.72;
}

.page-about .timeline-band__caption {
  position: absolute;
  right: 16px;
  bottom: 14px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-about .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: var(--about-rule);
}

.page-about .timeline__node {
  position: relative;
  background: var(--ink-900);
  padding: 24px 20px 26px;
  outline: none;
  transition: background 0.26s var(--ease);
}

.page-about .timeline__node:hover,
.page-about .timeline__node:focus-visible,
.page-about .timeline__node:focus-within {
  background: var(--ink-800);
}

.page-about .timeline__node:focus-visible {
  box-shadow: inset 0 0 0 1px var(--lime);
}

.page-about .timeline__dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 3px;
  background: var(--line);
  transition: background 0.26s var(--ease), width 0.32s var(--ease);
}

.page-about .timeline__node:hover .timeline__dot,
.page-about .timeline__node:focus-visible .timeline__dot,
.page-about .timeline__node:focus-within .timeline__dot {
  background: var(--lime);
  width: 78px;
}

.page-about .timeline__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-about .timeline__stage {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-900);
  background: var(--amber);
  padding: 2px 9px;
}

.page-about .timeline__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--paper);
  margin: 14px 0 0;
}

.page-about .timeline__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ash);
  transition: max-height 0.32s var(--ease), opacity 0.26s var(--ease), margin 0.26s var(--ease);
  overflow: hidden;
}

/* ---------- partner ---------- */
.page-about .partner-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  background: var(--line-soft);
  border: var(--about-rule);
}

.page-about .partner-card {
  position: relative;
  background: var(--ink-900);
  padding: 26px 22px 28px;
  min-width: 0;
  transition: background 0.26s var(--ease);
}

.page-about .partner-card:hover {
  background: var(--ink-800);
}

.page-about .partner-card__no {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1;
  font-weight: 700;
  color: var(--moss);
  letter-spacing: -0.03em;
}

.page-about .partner-card__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--paper);
  margin: 14px 0 0;
}

.page-about .partner-card__desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ash);
}

.page-about .partner-card--cut {
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  border-left: 2px solid var(--orange);
}

.page-about .partner-card--cut:hover {
  background: var(--ink-700);
}

.page-about .partner-card__highlight {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--amber);
  margin: 14px 0 0;
}

/* ---------- closing ---------- */
.page-about .about-section--closing {
  margin-bottom: 0;
}

.page-about .closing-panel {
  position: relative;
  border: var(--about-rule);
  background: linear-gradient(140deg, var(--ink-800) 0%, var(--ink-900) 68%);
  padding: clamp(28px, 4.4vw, 54px) clamp(22px, 3.4vw, 46px) clamp(26px, 4vw, 46px);
  overflow: hidden;
}

.page-about .closing-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle at top right, rgba(200, 255, 61, 0.16), transparent 68%);
  pointer-events: none;
}

.page-about .closing-panel__text {
  position: relative;
  z-index: 1;
  max-width: 56ch;
}

.page-about .closing-panel__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-about .closing-panel__desc {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ash);
}

.page-about .closing-panel__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .closing-links {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: var(--about-rule);
  display: grid;
  gap: 12px;
}

.page-about .closing-links li {
  font-size: 14.5px;
  line-height: 1.6;
}

.page-about .closing-links a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-about .closing-links a:hover,
.page-about .closing-links a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .team-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .league-wall {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 30px;
  }

  .page-about .league-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .team-roles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .closing-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero {
    padding-right: 8%;
  }

  .page-about .about-hero__title {
    max-width: 15ch;
  }
}

@media (hover: hover) and (min-width: 900px) {
  .page-about .timeline__desc {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
  }

  .page-about .timeline__node:hover .timeline__desc,
  .page-about .timeline__node:focus-visible .timeline__desc,
  .page-about .timeline__node:focus-within .timeline__desc {
    max-height: 260px;
    opacity: 1;
    margin-top: 12px;
  }
}

@media (max-width: 520px) {
  .page-about .about-hero__panel {
    width: 74%;
    right: -22%;
    opacity: 0.85;
  }

  .page-about .about-hero__note {
    display: none;
  }

  .page-about .team-role {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "no"
      "name"
      "desc";
    row-gap: 10px;
  }

  .page-about .team-role__no {
    font-size: 28px;
  }
}