.page-about {
  --about-band: linear-gradient(135deg, rgba(255,107,53,.12) 0%, transparent 55%);
  background-color: var(--bg);
  overflow-x: hidden;
  color: var(--text);
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  padding: 1.5rem 0 .5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
}

.page-about .breadcrumb-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color .2s ease;
}

.page-about .breadcrumb-link:hover {
  color: var(--accent);
}

.page-about .breadcrumb-sep {
  color: var(--border);
}

.page-about .breadcrumb-current {
  color: var(--accent);
}

.page-about .about-hero {
  position: relative;
  padding-bottom: 4.5rem;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background:
    var(--about-band),
    linear-gradient(-45deg, rgba(57,255,20,.05) 0%, transparent 40%);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

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

.page-about .about-hero__grid {
  display: grid;
  gap: 2rem;
  padding-top: 1.5rem;
}

.page-about .about-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-about .about-hero__tag {
  display: inline-flex;
  align-items: center;
  padding: .35rem .8rem;
  border-left: 3px solid var(--accent);
  background: rgba(255,107,53,.08);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, var(--fs-display));
  line-height: var(--lh-head);
  margin: 1rem 0 1rem;
  color: var(--text);
  max-width: 620px;
}

.page-about .about-hero__lead {
  font-size: 1.05rem;
  line-height: var(--lh-body);
  color: var(--text-muted);
  max-width: 34rem;
  margin: 0 0 1.75rem;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-about .about-hero__media {
  position: relative;
}

.page-about .about-hero__media img {
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--border);
  object-fit: cover;
  aspect-ratio: 8 / 5;
  filter: saturate(.9) contrast(1.05);
}

.page-about .about-hero__media::after {
  content: "";
  position: absolute;
  top: -12px;
  right: -12px;
  width: 45%;
  height: 55%;
  border: 2px solid var(--accent);
  border-left: none;
  border-bottom: none;
  z-index: -1;
  opacity: .35;
}

.page-about .about-stats {
  position: relative;
  z-index: 2;
  margin-top: -2.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(255,255,255,.02);
}

.page-about .about-stat:nth-child(even) {
  border-left-color: var(--accent-2);
}

.page-about .about-stat__num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.25rem);
  color: var(--text);
  line-height: 1;
}

.page-about .about-stat__label {
  margin-top: .5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--text-muted);
}

.page-about .about-section-tag {
  display: inline-block;
  padding: .3rem .7rem;
  background: rgba(255,107,53,.1);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .08em;
  text-transform: uppercase;
  border-right: 3px solid var(--accent);
}

.page-about .about-section-head {
  margin-bottom: 2.5rem;
}

.page-about .about-section-head h2,
.page-about .about-section-lead {
  margin: 0;
}

.page-about .about-section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, var(--fs-h2));
  line-height: var(--lh-head);
  margin-top: .75rem;
  color: var(--text);
}

.page-about .about-section-lead {
  margin-top: .75rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 42rem;
}

.page-about .about-mission {
  padding: 4.5rem 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.page-about .about-mission__inner {
  display: grid;
  gap: 3rem;
}

.page-about .about-mission__main {
  max-width: 42rem;
}

.page-about .about-mission__main h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, var(--fs-h2));
  line-height: var(--lh-head);
  color: var(--text);
  margin: 1rem 0 1rem;
}

.page-about .about-mission__lead {
  font-size: 1.15rem;
  color: var(--text);
  font-weight: 600;
  line-height: var(--lh-body);
  margin: 0 0 1.25rem;
}

.page-about .about-mission__text {
  color: var(--text-muted);
  line-height: var(--lh-body);
  margin: 0;
}

.page-about .about-mission__side {
  display: grid;
  gap: 1rem;
}

.page-about .about-mission__card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  transition: transform .25s ease, border-color .25s ease;
}

.page-about .about-mission__card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,107,53,.4);
}

.page-about .about-mission__card-icon {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--accent);
  margin-bottom: .75rem;
  letter-spacing: .05em;
}

.page-about .about-mission__card h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-head);
  color: var(--text);
  margin: 0 0 .5rem;
}

.page-about .about-mission__card p {
  color: var(--text-muted);
  line-height: var(--lh-body);
  margin: 0;
  font-size: .95rem;
}

.page-about .about-timeline {
  padding: 5rem 0;
  position: relative;
  background: linear-gradient(160deg, transparent 0%, rgba(57,255,20,.03) 45%, transparent 60%);
}

.page-about .about-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 1rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent) 0%, var(--accent-2) 100%);
  opacity: .35;
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 1.25rem 3rem;
}

.page-about .about-timeline__item details {
  border: 1px solid var(--border);
  background: rgba(17,34,64,.6);
  transition: border-color .25s ease;
}

.page-about .about-timeline__item details[open] {
  border-color: rgba(255,107,53,.4);
}

.page-about .about-timeline__item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.25rem;
  list-style: none;
  cursor: pointer;
  transition: background-color .2s ease;
}

.page-about .about-timeline__item summary:hover {
  background: rgba(255,107,53,.04);
}

.page-about .about-timeline__item summary::-webkit-details-marker,
.page-about .about-timeline__item summary::-moz-list-bullet {
  display: none;
  list-style: none;
}

.page-about .about-timeline__year {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  background: var(--accent);
  color: #fff;
  padding: .2rem .5rem;
  letter-spacing: .06em;
}

.page-about .about-timeline__title {
  font-weight: 600;
  color: var(--text);
}

.page-about .about-timeline__marker {
  margin-left: auto;
  width: 24px;
  height: 24px;
  position: relative;
  flex: 0 0 24px;
}

.page-about .about-timeline__marker::before,
.page-about .about-timeline__marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  transition: transform .2s ease;
}

.page-about .about-timeline__marker::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-about .about-timeline__item details[open] .about-timeline__marker::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-about .about-timeline__body {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-muted);
  line-height: var(--lh-body);
  font-size: .95rem;
}

.page-about .about-timeline__body p {
  margin: 0;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  top: 1.25rem;
  left: calc(1rem - 6px);
  width: 12px;
  height: 12px;
  background: var(--accent-2);
  transform: rotate(45deg);
  z-index: 1;
}

.page-about .about-team {
  padding: 5rem 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.page-about .about-team__inner {
  display: grid;
  gap: 2.5rem;
}

.page-about .about-team__image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--border);
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(.85) contrast(1.1);
}

.page-about .about-team__content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, var(--fs-h2));
  line-height: var(--lh-head);
  color: var(--text);
  margin: 1rem 0 .75rem;
}

.page-about .about-team__list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-about .about-team__list li {
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border-left: 3px solid var(--accent-2);
  line-height: var(--lh-body);
  color: var(--text-muted);
  font-size: .95rem;
}

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

.page-about .about-team__note {
  margin: 1.5rem 0;
  color: var(--text-muted);
  line-height: var(--lh-body);
  font-size: .95rem;
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}

.page-about .about-credential {
  padding: 5rem 0;
}

.page-about .about-credential__grid {
  display: grid;
  gap: 1.25rem;
}

.page-about .about-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform .25s ease, box-shadow .25s ease;
}

.page-about .about-badge__visual {
  border-bottom: 1px solid var(--border);
  position: relative;
  min-height: 80px;
}

.page-about .about-badge__visual img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  display: block;
}

.page-about .about-badge__info {
  padding: 1.25rem 1.25rem 1.5rem;
}

.page-about .about-badge__info h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-head);
  color: var(--text);
  margin: 0 0 .5rem;
}

.page-about .about-badge__info p {
  color: var(--text-muted);
  line-height: var(--lh-body);
  font-size: .95rem;
  margin: 0;
}

.page-about .about-badge--iso:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(255,107,53,.08);
}

.page-about .about-badge--award:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(57,255,20,.06);
}

.page-about .about-badge--partner:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(255,215,0,.06);
}

.page-about .about-badge__award-art {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  background: linear-gradient(135deg, rgba(57,255,20,.07), transparent);
}

.page-about .about-badge__award-year {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-2);
  line-height: 1;
}

.page-about .about-badge__award-medal {
  color: var(--warning);
  font-size: 2.5rem;
  line-height: 1;
  margin-top: .5rem;
}

.page-about .about-badge__partner-art {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  min-height: 160px;
  padding: 1.25rem;
  background: linear-gradient(135deg, rgba(255,215,0,.06), rgba(57,255,20,.03));
}

.page-about .about-badge__partner-nodes {
  display: flex;
  gap: .4rem;
}

.page-about .about-badge__partner-node {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--warning);
  border: 1px solid rgba(255,215,0,.4);
  padding: .35rem .5rem;
}

.page-about .about-badge__partner-arrow {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.2rem;
}

.page-about .about-badge__partner-hub {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.page-about .about-eco {
  padding: 5rem 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.page-about .about-eco__inner {
  display: grid;
  gap: 2.5rem;
}

.page-about .about-eco__content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, var(--fs-h2));
  line-height: var(--lh-head);
  color: var(--text);
  margin: 1rem 0 .75rem;
}

.page-about .about-eco__text {
  color: var(--text-muted);
  line-height: var(--lh-body);
  margin: 0 0 1.25rem;
}

.page-about .about-eco__points {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-about .about-eco__points li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-muted);
  line-height: var(--lh-body);
  font-size: .95rem;
}

.page-about .about-eco__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6rem;
  width: 8px;
  height: 8px;
  background: var(--accent-2);
  transform: rotate(45deg);
}

.page-about .about-eco__diagram-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-about .about-eco__diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  padding: 2rem;
  background: rgba(17,34,64,.4);
  border: 1px solid var(--border);
}

.page-about .about-eco__node {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  text-align: center;
  width: 100%;
  max-width: 200px;
}

.page-about .about-eco__node--provider {
  border-left: 3px solid var(--warning);
}

.page-about .about-eco__node--core {
  border-left: 3px solid var(--accent);
}

.page-about .about-eco__node--device {
  border-left: 3px solid var(--accent-2);
}

.page-about .about-eco__line {
  width: 2px;
  height: 24px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2));
  opacity: .5;
}

.page-about .about-eco__note {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-small);
  line-height: var(--lh-body);
  text-align: center;
}

@media (min-width: 768px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3.5rem;
  }

  .page-about .about-stats {
    grid-template-columns: repeat(4, 1fr);
    margin-top: -3rem;
  }

  .page-about .about-mission__inner {
    grid-template-columns: 3fr 2fr;
    align-items: start;
  }

  .page-about .about-team__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
  }

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

  .page-about .about-eco__inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }

  .page-about .about-timeline__list::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-timeline__item {
    width: 50%;
    padding: 0 3rem 2rem 0;
  }

  .page-about .about-timeline__item::before {
    left: auto;
    right: -6px;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 2rem 3rem;
  }

  .page-about .about-timeline__item:nth-child(even)::before {
    right: auto;
    left: -6px;
  }
}