.page-about {
  --about-line: rgba(255,255,255,.12);
  --about-card: rgba(27,58,107,.4);
  --about-deep: rgba(5,13,30,.46);
  --about-dim: rgba(232,236,241,.88);
  --about-muted: rgba(232,236,241,.58);
  position: relative;
  color: var(--off-white);
  background: var(--navy-deep);
}

.page-about__hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 38px;
  background:
    linear-gradient(132deg, rgba(255,107,0,.12) 0%, transparent 34%),
    linear-gradient(120deg, var(--navy) 0%, var(--navy-deep) 74%);
  color: var(--off-white);
}

.page-about__hero::before {
  content: "";
  position: absolute;
  right: -12%;
  top: -14%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,0,.18) 0%, transparent 70%);
  pointer-events: none;
}

.page-about__cover {
  position: relative;
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-about__cover-id {
  position: relative;
  align-self: start;
  padding: 26px 22px 22px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 6px 28px 6px 28px;
}

.page-about__brand-plate {
  display: flex;
  flex-direction: column;
}

.page-about__brand-name {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1.1;
  letter-spacing: .04em;
  color: var(--off-white);
}

.page-about__brand-sub {
  margin-top: 6px;
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255,255,255,.52);
}

.page-about__cover-no {
  display: block;
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-family: var(--font-display);
  font-size: .85rem;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-about__heading {
  margin-bottom: 14px;
}

.page-about__heading-accent {
  display: inline-block;
  margin-top: 6px;
  color: var(--orange);
}

.page-about__lead {
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(232,236,241,.86);
}

.page-about__cover-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 24px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(255,255,255,.16);
}

.page-about__cover-stat {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.page-about__cover-stat dt {
  font-family: var(--font-display);
  font-size: 1.65rem;
  line-height: 1.05;
  color: var(--gold);
}

.page-about__cover-stat dd {
  margin: 3px 0 0;
  font-size: .78rem;
  color: rgba(255,255,255,.62);
}

.page-about__toc-wrap {
  background: rgba(5,13,30,.55);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.page-about__toc {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 14px 0;
}

.page-about__toc-link {
  font-size: .82rem;
  color: rgba(232,236,241,.68);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about__toc-link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-about__story-section,
.page-about__milestone-section,
.page-about__data-section,
.page-about__team-section,
.page-about__credential-section {
  padding-top: 46px;
  padding-bottom: 42px;
}

.page-about__story-grid {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-about__story-copy p {
  margin: 0 0 16px;
  line-height: 1.85;
  color: var(--about-dim);
}

.page-about__story-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-about__story-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 18px 4px 18px 4px;
  box-shadow: 0 22px 44px rgba(0,0,0,.34);
}

.page-about__timeline {
  position: relative;
  margin-top: 28px;
  padding-left: 32px;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--orange) 0%, rgba(255,255,255,.18) 78%);
}

.page-about__milestone {
  position: relative;
  padding: 20px 0;
  border-bottom: 1px solid var(--about-line);
}

.page-about__milestone:last-child {
  border-bottom: none;
}

.page-about__milestone-dot {
  position: absolute;
  left: -28px;
  top: 32px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255,107,0,.18);
}

.page-about__milestone-card {
  background: var(--about-card);
  border: 1px solid var(--about-line);
  border-radius: 6px 22px 6px 22px;
  padding: 22px 20px 20px;
}

.page-about__milestone-year {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: .05em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-about__milestone-title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--off-white);
}

.page-about__milestone-desc {
  margin: 0 0 10px;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--about-dim);
}

.page-about__milestone-hint {
  display: inline-block;
  padding: 4px 12px;
  border: 1px dashed rgba(255,215,0,.4);
  border-radius: 20px 4px 20px 4px;
  font-size: .78rem;
  letter-spacing: .02em;
  color: rgba(255,215,0,.82);
  opacity: .66;
  transition: opacity .22s var(--ease);
}

.page-about__milestone-card:hover .page-about__milestone-hint {
  opacity: 1;
}

.page-about__milestone-details {
  margin-top: 12px;
  font-size: .88rem;
  color: var(--about-muted);
}

.page-about__milestone-details summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255,215,0,.4);
  list-style: none;
  cursor: pointer;
  font-size: .82rem;
  color: var(--gold);
}

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

.page-about__milestone-details summary::before {
  content: "＋";
  color: var(--orange);
  font-weight: 700;
}

.page-about__milestone-details[open] summary::before {
  content: "－";
}

.page-about__details-body {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 2px solid rgba(255,107,0,.55);
  line-height: 1.7;
}

.page-about__section-foot {
  margin-top: 22px;
  text-align: right;
}

.page-about__text-link {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,107,0,.4);
  padding-bottom: 2px;
  font-size: .9rem;
}

.page-about__text-link:hover {
  color: var(--gold);
  border-color: rgba(255,215,0,.5);
}

.page-about__data-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 30px 0 26px;
}

.page-about__data-stat {
  background: var(--about-card);
  border: 1px solid var(--about-line);
  border-radius: 16px 4px 16px 4px;
  padding: 16px 14px;
}

.page-about__data-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--orange);
}

.page-about__data-stat-label {
  display: block;
  margin-top: 6px;
  font-size: .78rem;
  color: var(--about-muted);
}

.page-about__data-layout {
  display: grid;
  gap: 26px;
}

.page-about__data-copy h3 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  color: var(--off-white);
}

.page-about__data-copy p {
  margin: 0 0 12px;
  line-height: 1.8;
  color: var(--about-dim);
}

.page-about__data-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-about__data-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 22px;
  line-height: 1.6;
  color: var(--about-dim);
}

.page-about__data-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 2px 8px 2px 8px;
  background: var(--orange);
  opacity: .75;
}

.page-about__data-media img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  border-radius: 4px 18px 4px 18px;
  box-shadow: 0 22px 44px rgba(0,0,0,.3);
}

.page-about__team-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-about__team-card {
  background: var(--about-card);
  border: 1px solid var(--about-line);
  border-radius: 20px 6px 20px 6px;
  padding: 22px 20px 18px;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-about__team-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,107,0,.45);
}

.page-about__team-card-index {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-about__team-card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
  color: var(--off-white);
}

.page-about__team-card p {
  margin: 0 0 14px;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--about-dim);
}

.page-about__team-media {
  margin-top: 26px;
}

.page-about__team-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 18px 4px 18px 4px;
  box-shadow: 0 22px 44px rgba(0,0,0,.34);
}

.page-about__credential-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-about__credential-card {
  background: var(--about-card);
  border: 1px solid var(--about-line);
  border-radius: 6px 20px 6px 20px;
  padding: 26px 24px;
}

.page-about__credential-kicker {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid rgba(255,215,0,.35);
  border-radius: 18px 3px 18px 3px;
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-about__credential-card h3 {
  margin: 16px 0 10px;
  font-size: 1.2rem;
  color: var(--off-white);
}

.page-about__credential-card p {
  margin: 0 0 14px;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--about-dim);
}

.page-about__credential-card a {
  font-size: .9rem;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,107,0,.4);
  padding-bottom: 2px;
}

.page-about__credential-card a:hover {
  color: var(--gold);
}

.page-about__eco-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about__eco-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 18px;
  background: var(--about-deep);
  border: 1px solid var(--about-line);
  border-radius: 18px 4px 18px 4px;
}

.page-about__eco-index {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--orange);
}

.page-about__eco-list h4 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--off-white);
}

.page-about__eco-list p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--about-muted);
}

.page-about__trust-line {
  margin-top: 26px;
  padding: 16px 18px;
  border-left: 3px solid var(--gold);
  background: rgba(255,215,0,.08);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--about-dim);
}

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

@media (min-width: 900px) {
  .page-about__hero {
    padding: 36px 0 56px;
  }

  .page-about__cover {
    grid-template-columns: 240px 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-about__cover-id::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 28px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(255,255,255,.2);
    box-shadow: 0 32px 0 rgba(255,255,255,.2), 0 64px 0 rgba(255,255,255,.2);
  }

  .page-about__brand-name {
    font-size: 3rem;
  }

  .page-about__cover-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-about__cover-stat dt {
    font-size: 2rem;
  }

  .page-about__story-grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 40px;
    align-items: center;
  }

  .page-about__milestone-card {
    max-width: 78%;
  }

  .page-about__data-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-about__data-layout {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: start;
  }

  .page-about__data-media {
    grid-column: 1 / -1;
  }

  .page-about__data-media img {
    aspect-ratio: 16 / 6;
    max-height: 420px;
  }

  .page-about__team-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about__credential-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-about__eco-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}