.page-about {
  --about-slice: 26px;
  --about-gap: 20px;
  --card-bg: var(--ink-900);
  --card-border: var(--line);
  --card-title: var(--paper);
  --card-text: var(--muted);
  --accent: var(--green);
  --accent-soft: var(--green-soft);
  display: block;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .about-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
}

/* ---------- HERO ---------- */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 52px;
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(61, 255, 158, .15), transparent 58%),
    radial-gradient(90% 70% at 4% 18%, rgba(164, 107, 255, .16), transparent 62%),
    var(--ink-900);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(27, 60, 94, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 60, 94, .55) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(78% 68% at 50% 28%, #000, transparent 80%);
  mask-image: radial-gradient(78% 68% at 50% 28%, #000, transparent 80%);
  opacity: .5;
  pointer-events: none;
}

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

.page-about .about-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-about .about-hero__title {
  margin: 0 0 20px;
  max-width: 15em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 660px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-about .about-facts__item {
  padding: 16px 14px;
  background: var(--ink-800);
}

.page-about .about-facts__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-about .about-facts__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
}

/* ---------- CHAPTER SHELL ---------- */
.page-about .chapter {
  position: relative;
  padding: 52px 0;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  transition: background-color .4s ease;
}

.page-about .chapter--paper {
  --card-bg: #FFFFFF;
  --card-border: rgba(10, 26, 43, .14);
  --card-title: var(--ink-on-paper);
  --card-text: #4A5C74;
  --accent: #0B6E45;
  --accent-soft: #0B6E45;
  background: var(--paper-white);
  color: var(--ink-on-paper);
  border-top: none;
  -webkit-clip-path: polygon(0 var(--about-slice), 100% 0, 100% 100%, 0 100%);
  clip-path: polygon(0 var(--about-slice), 100% 0, 100% 100%, 0 100%);
  padding-top: calc(52px + var(--about-slice));
  padding-bottom: 60px;
}

.page-about .chapter__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-about .chapter__aside {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--card-border);
}

.page-about .chapter__num {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.page-about .chapter__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-about .chapter--paper .chapter__tag {
  color: #6B7C92;
}

.page-about .chapter__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--card-title);
}

.page-about .chapter__lede {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--card-text);
}

.page-about .chapter__note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
  font-size: 15px;
  line-height: 1.75;
  color: var(--card-text);
}

/* ---------- FIGURES ---------- */
.page-about .about-figure {
  margin: 0 0 26px;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
}

.page-about .about-figure--side img {
  aspect-ratio: 4 / 3;
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--card-text);
}

/* ---------- TIMELINE ---------- */
.page-about .timeline {
  position: relative;
  margin: 0;
  padding: 4px 0 0 30px;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--green), var(--orange) 58%, var(--violet));
  opacity: .75;
}

.page-about .tl-item {
  position: relative;
  padding-bottom: 10px;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 14px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-800);
  border: 2px solid var(--green);
  box-sizing: border-box;
}

.page-about .tl-item--accent::before {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 43, .16);
}

.page-about .tl-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 8px 26px 8px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
}

.page-about .tl-summary::-webkit-details-marker {
  display: none;
}

.page-about .tl-summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 6px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--accent);
  transition: transform .2s ease;
}

.page-about details[open] > .tl-summary::after {
  content: "–";
}

.page-about .tl-ver {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--accent);
  min-width: 76px;
}

.page-about .tl-name {
  flex: 1 1 200px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--card-title);
}

.page-about .tl-body {
  padding: 2px 0 16px;
  margin-left: 0;
  border-bottom: 1px dashed var(--card-border);
}

.page-about .tl-body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--card-text);
}

.page-about .tl-item:last-child .tl-body {
  border-bottom: none;
}

/* ---------- FOUR LINES ---------- */
.page-about .lines {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .line-card {
  position: relative;
  padding: 22px 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: 0 6px 0 -2px rgba(11, 33, 56, .07);
  transition: transform .2s ease, border-color .2s ease;
}

.page-about .chapter:not(.chapter--paper) .line-card {
  background: var(--ink-900);
}

.page-about .line-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.page-about .line-card__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--accent);
}

.page-about .line-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  color: var(--card-title);
}

.page-about .line-card__scene {
  margin: 0 0 12px;
  padding: 6px 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--card-text);
  border-radius: 999px;
  background: rgba(164, 107, 255, .12);
  display: inline-block;
}

.page-about .chapter--paper .line-card__scene {
  background: rgba(11, 110, 69, .1);
}

.page-about .line-card__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--card-text);
}

.page-about .line-card__link {
  margin: 0;
  font-size: 14px;
}

.page-about .line-card__link a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(61, 255, 158, .45);
  margin-right: 14px;
}

.page-about .chapter--paper .line-card__link a {
  border-bottom-color: rgba(11, 110, 69, .4);
}

.page-about .line-card__link a:hover {
  border-bottom-color: currentColor;
}

/* ---------- DATA SECTION ---------- */
.page-about .data-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-about .data-layout__text p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--card-text);
}

.page-about .data-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .data-points li {
  padding: 14px 12px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
}

.page-about .data-points strong {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 6px;
}

.page-about .data-points span {
  display: block;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- TEAM ---------- */
.page-about .team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .team-card {
  padding: 20px 18px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

.page-about .team-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  color: var(--card-title);
}

.page-about .team-card__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--card-text);
}

.page-about .team-card__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--accent);
}

/* ---------- SEASON ---------- */
.page-about .season {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: season;
}

.page-about .season__item {
  position: relative;
  padding: 18px 18px 18px 62px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.page-about .season__item::before {
  counter-increment: season;
  content: "0" counter(season);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 700;
  color: var(--green);
  opacity: .85;
}

.page-about .season__phase {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--paper);
}

.page-about .season__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- SERVICE ---------- */
.page-about .service {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .service__col {
  padding: 22px 20px;
  border-radius: var(--radius);
  background: #FFFFFF;
  border: 1px solid rgba(10, 26, 43, .14);
}

.page-about .service__col--accent {
  background: linear-gradient(160deg, rgba(11, 110, 69, .1), rgba(164, 107, 255, .1));
}

.page-about .service__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  color: var(--ink-on-paper);
}

.page-about .service__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: #4A5C74;
}

.page-about .service__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.page-about .about-btn {
  display: inline-block;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid rgba(10, 26, 43, .28);
  color: var(--ink-on-paper);
  transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.page-about .about-btn:hover {
  transform: translateY(-2px);
}

.page-about .about-btn--solid {
  background: var(--ink-on-paper);
  border-color: var(--ink-on-paper);
  color: var(--paper-white);
}

.page-about .about-btn--solid:hover {
  background: #0B6E45;
  border-color: #0B6E45;
}

/* ---------- RESPONSIVE ---------- */
@media (min-width: 640px) {
  .page-about {
    --about-slice: 36px;
  }

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

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

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

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

@media (min-width: 900px) {
  .page-about .chapter {
    padding: 72px 0;
  }

  .page-about .chapter--paper {
    padding-top: calc(72px + var(--about-slice));
    padding-bottom: 84px;
  }

  .page-about .chapter__grid {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .chapter__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 0;
    border-bottom: none;
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-about .chapter__aside::after {
    content: "";
    display: block;
    width: 42px;
    height: 3px;
    margin-top: 4px;
    background: var(--accent);
  }

  .page-about .chapter__num {
    font-size: 46px;
  }

  .page-about .about-hero {
    padding: calc(var(--header-h) + 72px) 0 76px;
  }

  .page-about .about-hero__lede {
    font-size: 17px;
  }

  .page-about .data-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 36px;
  }

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

  .page-about .season {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1120px) {
  .page-about .chapter__grid {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 72px;
  }

  .page-about .chapter__num {
    font-size: 54px;
  }

  .page-about .data-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .line-card,
  .page-about .about-btn,
  .page-about .chapter {
    transition: none;
  }

  .page-about .line-card:hover,
  .page-about .about-btn:hover {
    transform: none;
  }
}