.page-about {
  --about-gap: clamp(64px, 10vw, 120px);
  --about-pad: clamp(20px, 4vw, 56px);
  --about-index-font: clamp(48px, 8vw, 96px);
  background: var(--color-bg);
  color: var(--color-ink);
}

.page-about .page-about__breadcrumbs {
  max-width: var(--container);
  margin-inline: auto;
  padding: 22px var(--about-pad) 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.page-about .page-about__breadcrumbs a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.page-about .page-about__breadcrumbs a:hover {
  color: var(--color-neon);
}

.page-about .page-about__breadcrumbs span[aria-current="page"] {
  color: var(--color-ink);
}

.page-about .about-hero {
  position: relative;
  padding-block: clamp(48px, 8vw, 96px) clamp(64px, 9vw, 110px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(57, 255, 20, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--about-pad);
  display: grid;
  gap: 48px;
}

.page-about .about-hero__main {
  max-width: 680px;
}

.page-about .about-hero__main h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-top: 14px;
  max-width: 13ch;
}

.page-about .about-hero__lede {
  margin-top: 22px;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 56ch;
}

.page-about .about-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-neon);
}

.page-about .about-hero__stat {
  background: var(--color-panel);
  padding: clamp(18px, 2.6vw, 30px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-height: 160px;
}

.page-about .about-hero__stat .data-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.page-about .about-hero__stat .data-value {
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-neon);
}

.page-about .about-hero__stat .about-hero__stat-unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
}

.page-about .about-hero__stat:nth-child(4) .data-value {
  color: var(--color-orange);
}

.page-about .about-hero .scan-line {
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 18px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-neon), var(--color-orange), transparent);
  opacity: 0.4;
}

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

.page-about .about-milestones,
.page-about .about-team,
.page-about .about-eco {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--about-pad);
  padding-block: var(--about-gap);
}

.page-about .about-milestones {
  padding-top: 0;
}

.page-about .about-milestones__head,
.page-about .about-team__head,
.page-about .about-cert__head,
.page-about .about-eco__head {
  position: relative;
  display: grid;
  gap: 20px;
  margin-bottom: 44px;
}

.page-about .about-milestones__head h2,
.page-about .about-team__heading h2,
.page-about .about-cert__heading h2,
.page-about .about-eco__heading h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-top: 8px;
}

.page-about .about-milestones__lede,
.page-about .about-team__lede,
.page-about .about-cert__lede,
.page-about .about-eco__lede {
  color: var(--color-muted);
  line-height: 1.7;
  font-size: 15px;
}

.page-about .about-milestones__index,
.page-about .about-team__index,
.page-about .about-cert__index,
.page-about .about-eco__index {
  font-family: var(--font-display);
  font-size: var(--about-index-font);
  line-height: 0.8;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(245, 241, 232, 0.2);
  letter-spacing: -0.05em;
  user-select: none;
  align-self: start;
}

.page-about .section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-orange);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-about .section-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--color-neon);
  display: inline-block;
}

@media (min-width: 860px) {
  .page-about .about-milestones__head,
  .page-about .about-eco__head {
    grid-template-columns: 90px 1fr 0.8fr;
    align-items: end;
  }

  .page-about .about-team__head,
  .page-about .about-cert__head {
    grid-template-columns: 90px 1fr;
  }

  .page-about .about-team__lede,
  .page-about .about-cert__lede {
    grid-column: 2;
    max-width: 56ch;
  }
}

.page-about .about-milestones__banner {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 48px;
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-neon);
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-about .about-timeline {
  position: relative;
  padding-top: 8px;
}

.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 20px;
  padding-bottom: 48px;
}

.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline__item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 44px;
  bottom: 0;
  left: 38px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-line), transparent);
}

.page-about .about-timeline__axis {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-top: 6px;
}

.page-about .about-timeline__year {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  text-transform: uppercase;
}

.page-about .about-timeline__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-neon);
  box-shadow: 0 0 0 5px rgba(57, 255, 20, 0.12);
  border: 2px solid var(--color-bg);
  flex: 0 0 auto;
}

.page-about .about-timeline__item:nth-child(2) .about-timeline__dot {
  background: var(--color-orange);
  box-shadow: 0 0 0 5px rgba(255, 109, 0, 0.12);
}

.page-about .about-timeline__item:nth-child(3) .about-timeline__dot {
  background: var(--color-data);
  box-shadow: 0 0 0 5px rgba(0, 180, 216, 0.12);
}

.page-about .about-timeline__item:nth-child(4) .about-timeline__dot {
  background: var(--color-violet);
  box-shadow: 0 0 0 5px rgba(123, 44, 191, 0.14);
}

.page-about .about-timeline__card {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  padding: clamp(20px, 3vw, 30px);
  position: relative;
  overflow: hidden;
}

.page-about .about-timeline__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--color-neon);
}

.page-about .about-timeline__card h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  letter-spacing: -0.01em;
  margin-top: 10px;
}

.page-about .about-timeline__card p {
  margin-top: 10px;
  line-height: 1.7;
  font-size: 15px;
  color: var(--color-muted);
}

.page-about .about-timeline__card .mono-tag {
  color: var(--color-neon);
}

@media (min-width: 860px) {
  .page-about .about-timeline__item {
    grid-template-columns: 220px 1fr;
    gap: 40px;
  }

  .page-about .about-timeline__item:not(:last-child)::after {
    left: 99px;
  }

  .page-about .about-timeline__axis {
    align-items: flex-start;
    padding-left: 72px;
  }

  .page-about .about-timeline__year {
    writing-mode: horizontal-tb;
    transform: none;
    font-size: 14px;
    padding-left: 20px;
  }

  .page-about .about-timeline__dot {
    position: absolute;
    left: 92px;
    top: 6px;
  }
}

.page-about .about-team__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-team__image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.page-about .about-team__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: clamp(22px, 3vw, 32px);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
}

.page-about .about-team__card .data-value {
  font-size: clamp(44px, 5vw, 64px);
  font-weight: 700;
  color: var(--color-neon);
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-about .about-team__card p {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-top: 8px;
}

.page-about .about-team__note {
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.08), transparent 60%);
  border: 1px dashed var(--color-line);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.page-about .about-team__note p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 70%;
}

.page-about .about-team__note .vertical-note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-neon);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  height: 110px;
  white-space: nowrap;
}

@media (min-width: 860px) {
  .page-about .about-team__body {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-about .about-team__image {
    grid-column: 1;
    grid-row: 1 / span 2;
    min-height: 100%;
  }

  .page-about .about-team__card--eng {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-team__card--ana {
    grid-column: 2;
    grid-row: 2;
  }

  .page-about .about-team__note {
    grid-column: 1 / -1;
  }
}

.page-about .about-cert {
  position: relative;
  padding-block: var(--about-gap);
  background:
    radial-gradient(circle at 85% 10%, rgba(123, 44, 191, 0.15), transparent 42%),
    linear-gradient(to right, var(--color-panel), var(--color-bg-deep));
}

.page-about .about-cert__head,
.page-about .about-cert__grid,
.page-about .about-cert__footnote {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--about-pad);
}

.page-about .about-cert__grid {
  display: grid;
  gap: 20px;
  margin-top: 40px;
}

.page-about .about-cert__item {
  background: rgba(18, 38, 74, 0.85);
  border: 1px solid var(--color-line);
  padding: clamp(22px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

.page-about .about-cert__badge {
  width: 56px;
  height: 56px;
  background: var(--color-neon);
  color: var(--color-bg-deep);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  clip-path: polygon(0 0, 100% 0, 86% 100%, 0 100%);
}

.page-about .about-cert__badge--orange {
  background: var(--color-orange);
}

.page-about .about-cert__item h3 {
  font-family: var(--font-display);
  font-size: 20px;
}

.page-about .about-cert__item p {
  color: var(--color-muted);
  line-height: 1.72;
  font-size: 15px;
}

.page-about .about-cert__footnote {
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

@media (min-width: 900px) {
  .page-about .about-cert__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-about .about-eco__layout {
  display: grid;
  gap: 32px;
}

.page-about .about-eco__figure {
  margin: 0;
}

.page-about .about-eco__image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-orange);
}

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

.page-about .about-eco__node {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--color-panel);
  border-left: 3px solid var(--color-line);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.page-about .about-eco__node:hover {
  border-left-color: var(--color-neon);
  background: #16305c;
  transform: translateX(6px);
}

.page-about .about-eco__node-dot {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--color-neon);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.08);
  transition: box-shadow var(--transition);
}

.page-about .about-eco__node-dot--orange {
  background: var(--color-orange);
  box-shadow: 0 0 0 4px rgba(255, 109, 0, 0.08);
}

.page-about .about-eco__node-dot--data {
  background: var(--color-data);
  box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.08);
}

.page-about .about-eco__node:hover .about-eco__node-dot {
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.16), 0 0 16px rgba(57, 255, 20, 0.5);
}

.page-about .about-eco__node-title {
  font-family: var(--font-display);
  font-size: 17px;
}

.page-about .about-eco__node-text {
  margin-top: 6px;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.65;
}

@media (min-width: 900px) {
  .page-about .about-eco__layout {
    grid-template-columns: 1fr 0.95fr;
    align-items: start;
  }
}

.page-about .about-outro {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--about-pad);
  padding-bottom: clamp(72px, 10vw, 120px);
}

.page-about .about-outro__inner {
  border: 1px solid var(--color-line);
  background:
    linear-gradient(to right, rgba(57, 255, 20, 0.1), transparent 50%),
    var(--color-panel);
  padding: clamp(28px, 5vw, 56px);
}

.page-about .about-outro__inner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  letter-spacing: -0.02em;
  margin-top: 12px;
}

.page-about .about-outro__inner p {
  color: var(--color-muted);
  line-height: 1.7;
  margin-top: 12px;
}

.page-about .about-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}