.page-about {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
}

.page-about .about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}

.page-about .about-kicker::before {
  content: "";
  display: block;
  width: 22px;
  height: 4px;
  background: var(--green);
}

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

.page-about .about-kicker-dark::before {
  background: var(--blue);
}

.page-about .about-hero {
  padding: 28px 20px 0;
}

.page-about .about-hero-inner {
  max-width: 820px;
  margin: 0 auto;
}

.page-about .about-hero h1 {
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 14px 0 22px;
  color: var(--ink);
}

.page-about .about-manifesto-copy p {
  font-size: 15px;
  color: #383838;
  max-width: 66ch;
  margin: 0 0 14px;
}

.page-about .about-path-map {
  margin: 34px -20px 0;
  padding: 14px 10px;
  background: linear-gradient(135deg, rgba(163, 230, 53, 0.14), rgba(0, 229, 255, 0.09));
  border-radius: 20px;
  overflow: hidden;
}

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

.page-about .about-path-svg text {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-about .about-hero::after {
  content: "";
  display: block;
  height: 8px;
  max-width: 1200px;
  margin: 38px auto 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--green) 0 62%, var(--blue) 62% 100%);
}

.page-about .about-milestones {
  padding: 56px 20px 64px;
}

.page-about .about-section-head {
  max-width: 720px;
  margin: 0 auto 26px;
  text-align: center;
}

.page-about .about-section-head .about-kicker {
  justify-content: center;
}

.page-about .about-section-head .about-kicker::before {
  width: 16px;
}

.page-about .about-section-head h2 {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 900;
  line-height: 1.12;
  margin: 10px 0 12px;
  color: var(--ink);
}

.page-about .about-section-intro {
  font-size: 15px;
  color: var(--gray);
  max-width: 62ch;
  margin: 0 auto;
}

.page-about .about-milestone-figure {
  margin: 30px 0 42px;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-milestone-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-about .about-timeline {
  list-style: none;
  max-width: 640px;
  margin: 0 auto;
  padding: 0;
  position: relative;
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 34px;
  padding-bottom: 32px;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 0;
  width: 2px;
  background: var(--divider);
}

.page-about .about-timeline-item:last-child::before {
  bottom: auto;
  height: 14px;
}

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

.page-about .about-timeline-dot {
  position: absolute;
  left: 3px;
  top: 10px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(163, 230, 53, 0.22);
  z-index: 1;
}

.page-about .about-timeline-card {
  background: var(--white);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .about-timeline-card:hover,
.page-about .about-timeline-item:focus-within .about-timeline-card {
  border-color: var(--green);
  box-shadow: 0 8px 28px rgba(28, 28, 28, 0.08), 0 0 0 3px rgba(163, 230, 53, 0.18);
  transform: translateY(-2px);
}

.page-about .about-timeline-card h3 {
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 6px;
  color: var(--ink);
}

.page-about .about-timeline-card p {
  font-size: 15px;
  color: #4a4a4a;
  margin: 0;
}

.page-about .about-team {
  background: var(--space);
  color: #f0ece4;
  padding: 58px 20px 66px;
  position: relative;
  overflow: hidden;
}

.page-about .about-team::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  z-index: 2;
}

.page-about .about-crane-silhouette {
  position: absolute;
  right: -18px;
  bottom: -12px;
  width: 180px;
  height: auto;
  pointer-events: none;
  z-index: 0;
}

.page-about .about-team-grid {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-team-copy h2 {
  color: #ffffff;
  font-size: clamp(28px, 4.2vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  margin: 8px 0 16px;
}

.page-about .about-team-copy p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
  max-width: 60ch;
  margin: 0 0 14px;
}

.page-about .about-inline-link {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-inline-link:hover {
  color: var(--green);
}

.page-about .about-team-copy .btn {
  margin-top: 6px;
}

.page-about .about-team-figure {
  margin: 0;
}

.page-about .about-team-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
}

.page-about .about-team-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.48);
}

.page-about .about-cert {
  padding: 62px 20px 60px;
}

.page-about .about-cert-grid {
  display: grid;
  gap: 20px;
  max-width: 960px;
  margin: 34px auto 0;
}

.page-about .about-cert-card {
  background: var(--white);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .about-cert-card[open] {
  border-color: var(--green);
  box-shadow: 0 10px 32px rgba(28, 28, 28, 0.08);
}

.page-about .about-cert-card summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 4px 14px;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-cert-card summary:hover .about-cert-icon {
  background: rgba(163, 230, 53, 0.26);
}

.page-about .about-cert-icon {
  width: 48px;
  height: 48px;
  background: rgba(163, 230, 53, 0.14);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  grid-row: 1 / span 2;
  transition: background 0.3s var(--ease);
}

.page-about .about-cert-icon svg {
  display: block;
}

.page-about .about-cert-title {
  font-size: 18px;
  font-weight: 900;
  color: var(--ink);
  align-self: end;
}

.page-about .about-cert-sub {
  font-size: 13px;
  color: var(--gray);
  align-self: start;
}

.page-about .about-cert-card summary::after {
  content: "+";
  font-size: 24px;
  line-height: 1;
  font-weight: 400;
  color: var(--gray);
  grid-column: 3;
  grid-row: 1 / span 2;
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.page-about .about-cert-card[open] summary::after {
  transform: rotate(45deg);
  color: var(--green);
}

.page-about .about-cert-desc {
  padding: 0 20px 22px;
  font-size: 14px;
  color: #4a4a4a;
  max-width: 62ch;
}

.page-about .about-cert-desc p {
  margin: 0;
}

.page-about .about-cert-figure {
  max-width: 420px;
  margin: 34px auto 0;
}

.page-about .about-cert-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-about .about-path-nav {
  background: var(--green);
  padding: 40px 20px;
}

.page-about .about-path-nav-title {
  text-align: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--ink);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.page-about .about-path-nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 960px;
  margin: 0 auto;
}

.page-about .about-path-nav-links a {
  display: inline-block;
  background: var(--ink);
  color: #ffffff;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .about-path-nav-links a:hover {
  background: #000000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(28, 28, 28, 0.2);
}

@media (min-width: 720px) {
  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .page-about .about-cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    padding-top: 44px;
  }

  .page-about .about-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
    max-width: 1080px;
  }

  .page-about .about-hero h1 {
    margin-bottom: 0;
  }

  .page-about .about-manifesto-copy {
    padding-bottom: 4px;
  }

  .page-about .about-path-map {
    margin-top: 44px;
  }

  .page-about .about-timeline {
    max-width: 960px;
  }

  .page-about .about-timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 6px;
    bottom: 8px;
    width: 2px;
    background: var(--divider);
    transform: translateX(-50%);
  }

  .page-about .about-timeline-item {
    width: 50%;
    padding-left: 0;
  }

  .page-about .about-timeline-item::before {
    display: none;
  }

  .page-about .about-timeline-item:nth-child(odd) {
    padding-right: 48px;
    padding-left: 0;
    text-align: right;
  }

  .page-about .about-timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-left: 48px;
  }

  .page-about .about-timeline-item:nth-child(odd) .about-timeline-dot {
    left: auto;
    right: -7px;
  }

  .page-about .about-timeline-item:nth-child(even) .about-timeline-dot {
    left: -7px;
  }

  .page-about .about-timeline-card {
    display: inline-block;
    text-align: left;
    width: 100%;
  }

  .page-about .about-timeline-item:nth-child(odd) .about-timeline-card {
    text-align: right;
  }

  .page-about .about-timeline-card p {
    margin-left: auto;
    margin-right: 0;
    max-width: 42ch;
  }

  .page-about .about-timeline-item:nth-child(odd) .about-timeline-card p {
    margin-left: 0;
    margin-right: auto;
  }

  .page-about .about-team-grid {
    gap: 64px;
  }

  .page-about .about-team-copy p {
    font-size: 16px;
  }

  .page-about .about-cert-grid {
    margin-top: 40px;
  }

  .page-about .about-crane-silhouette {
    width: 230px;
  }

  .page-about .about-path-nav-links a {
    padding: 14px 22px;
    font-size: 15px;
  }
}