.page-about {
  --about-border: rgba(46,94,255,.35);
  --about-shadow: rgba(0,255,135,.1);
  position: relative;
  overflow: hidden;
  font-family: var(--font-body);
  color: var(--text);
}

.page-about__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,255,135,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,135,.035) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-about > *:not(.page-about__bg) {
  position: relative;
  z-index: 1;
}

.page-about__breadcrumb {
  margin: 1.75rem 0 0;
  font-size: .8rem;
  color: var(--text-muted);
}

.page-about__breadcrumb a {
  color: var(--green);
  text-decoration: none;
  transition: color .2s;
}

.page-about__breadcrumb a:hover {
  color: var(--text);
}

.page-about__breadcrumb [aria-current="page"] {
  color: var(--text-muted);
}

.page-about__identity-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
}

.page-about__identity-media {
  position: relative;
}

.page-about__identity-frame {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--about-border);
  background: linear-gradient(160deg, rgba(27,59,123,.55), rgba(10,31,68,.9));
  aspect-ratio: 4 / 3;
  box-shadow: 0 18px 50px rgba(2,10,30,.45);
}

.page-about__identity-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about__stamp {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  width: 4.2rem;
  height: 4.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: .06em;
  color: var(--orange);
  background: rgba(10,31,68,.88);
  border: 2px solid var(--orange);
  border-radius: 14px;
  transform: rotate(-8deg);
  box-shadow: 0 10px 28px rgba(255,106,0,.22);
  z-index: 2;
}

.page-about__vert-label {
  display: none;
}

.page-about__identity-copy {
  display: flex;
  flex-direction: column;
}

.page-about__identity-copy h1,
.page-about__timeline-head h2,
.page-about__map-head h2,
.page-about__eco-copy h2,
.page-about__trust-copy h2 {
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1.1;
  letter-spacing: .02em;
}

.page-about__identity-copy h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: .65rem 0 0;
}

.page-about__identity-lead {
  margin-top: 1.1rem;
  color: var(--text-muted);
  max-width: 38rem;
}

.page-about__identity-meta {
  display: grid;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 1px solid rgba(168,192,224,.28);
}

.page-about__meta-row {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: .75rem;
  padding: .7rem 0;
  border-bottom: 1px dashed rgba(168,192,224,.22);
}

.page-about__meta-row dt {
  color: var(--text-muted);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
}

.page-about__meta-row dd {
  margin: 0;
  font-size: .94rem;
  font-weight: 600;
  color: var(--text);
}

.page-about__identity-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.5rem;
}

.page-about__identity-note {
  margin: 2.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--line-glow);
  color: var(--text-muted);
  font-size: .78rem;
  letter-spacing: .08em;
}

.page-about__timeline-section {
  background: linear-gradient(180deg, rgba(18,43,80,.28) 0%, rgba(10,31,68,0) 100%);
}

.page-about__timeline-head,
.page-about__map-head {
  max-width: 52rem;
}

.page-about__timeline-head h2,
.page-about__map-head h2,
.page-about__eco-copy h2,
.page-about__trust-copy h2 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin: .5rem 0 0;
}

.page-about__timeline-desc,
.page-about__map-desc {
  margin-top: 1rem;
  color: var(--text-muted);
  max-width: 46rem;
}

.page-about__timeline-visual {
  margin: 2rem 0 clamp(2rem, 4vw, 3.5rem);
  border: 1px solid var(--about-border);
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(18,43,80,.72), rgba(10,31,68,.92));
}

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

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

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--green), var(--grad-end), var(--orange));
  opacity: .55;
  transform: translateX(-50%);
}

.page-about__milestone {
  position: relative;
  margin-bottom: 1.5rem;
  padding-left: 2.6rem;
}

.page-about__milestone:last-child {
  margin-bottom: 0;
}

.page-about__milestone-marker {
  position: absolute;
  left: 1rem;
  top: .25rem;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--navy-base);
  border: 1px solid var(--green);
  color: var(--green);
  font-family: var(--font-display);
  font-size: .78rem;
  box-shadow: 0 0 0 4px rgba(0,255,135,.08);
}

.page-about__milestone-card {
  background: linear-gradient(160deg, rgba(18,43,80,.92), rgba(10,31,68,.68));
  border: 1px solid var(--about-border);
  border-radius: var(--radius-md);
  padding: 1.45rem 1.4rem;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}

.page-about__milestone-card:hover {
  border-color: var(--line-glow);
  box-shadow: 0 14px 40px rgba(2,10,30,.4), 0 0 30px var(--about-shadow);
  transform: translateY(-3px);
}

.page-about__milestone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .55rem;
}

.page-about__milestone-version {
  font-family: var(--font-display);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--orange);
  letter-spacing: .06em;
}

.page-about__milestone-card h3 {
  margin: 0 0 .45rem;
  font-size: 1.35rem;
  letter-spacing: .02em;
}

.page-about__milestone-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-about__milestone-card .btn {
  margin-top: 1rem;
}

.page-about__map-section {
  background:
    radial-gradient(circle at 18% 22%, rgba(0,255,135,.06), transparent 34%),
    linear-gradient(180deg, transparent, rgba(18,43,80,.26) 100%);
}

.page-about__map-body {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
  align-items: center;
}

.page-about__map-visual {
  border: 1px solid var(--about-border);
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(18,43,80,.75), rgba(10,31,68,.92));
}

.page-about__map-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about__map-grid {
  display: grid;
  gap: 1.1rem;
}

.page-about__map-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  background: rgba(18,43,80,.48);
  border: 1px solid rgba(46,94,255,.32);
  border-radius: var(--radius-md);
  padding: 1.55rem 1.4rem 1.4rem;
  transition: border-color .25s, box-shadow .25s, background .25s;
  overflow: hidden;
}

.page-about__map-card:hover {
  border-color: rgba(255,106,0,.55);
  background: rgba(18,43,80,.72);
  box-shadow: 0 14px 34px rgba(2,10,30,.35);
}

.page-about__map-num {
  position: absolute;
  top: 1.1rem;
  right: 1.2rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: rgba(168,192,224,.3);
}

.page-about__map-card h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: .02em;
  padding-right: 1.4rem;
  line-height: 1.3;
}

.page-about__map-text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-about__map-card .metric {
  margin-top: auto;
  padding-top: .75rem;
  border-top: 1px dashed rgba(168,192,224,.25);
}

.page-about__ecosystem-section {
  background: linear-gradient(180deg, transparent, rgba(18,43,80,.24) 100%);
}

.page-about__eco-layout {
  display: grid;
  gap: 2rem;
}

.page-about__eco-lead {
  margin-top: 1rem;
  color: var(--text-muted);
  max-width: 44rem;
}

.page-about__eco-list {
  margin: 1.5rem 0 1.75rem;
  padding: 0;
  border-top: 1px dashed rgba(0,255,135,.24);
}

.page-about__eco-row {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: 1.1rem 0;
  border-bottom: 1px dashed rgba(168,192,224,.18);
}

.page-about__eco-row dt {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: .04em;
  color: var(--text);
}

.page-about__eco-row dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-about__eco-panel {
  background: linear-gradient(150deg, rgba(27,59,123,.72), rgba(10,31,68,.92));
  border: 1px solid rgba(46,94,255,.42);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-self: start;
}

.page-about__eco-note {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.page-about__eco-icon {
  font-size: 1.4rem;
  line-height: 1;
  color: var(--green);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-glow);
  border-radius: 50%;
  flex-shrink: 0;
}

.page-about__eco-note-text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text);
}

.page-about__eco-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-about__trust-section {
  background: linear-gradient(180deg, transparent, rgba(18,43,80,.3) 100%);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-about__trust-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 2rem;
  background: linear-gradient(135deg, rgba(27,59,123,.72), rgba(10,31,68,.94));
  border: 1px solid rgba(46,94,255,.55);
  border-radius: 32px;
  padding: clamp(1.75rem, 4vw, 3rem);
}

.page-about__trust-panel::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -15%;
  width: 60%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,106,0,.09), transparent);
  transform: rotate(24deg);
  pointer-events: none;
}

.page-about__trust-copy {
  position: relative;
}

.page-about__trust-lead {
  margin-top: 1rem;
  color: var(--text-muted);
  max-width: 44rem;
}

.page-about__trust-list {
  list-style: none;
  margin: 1.6rem 0 1.8rem;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-about__trust-list li {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
  font-size: .94rem;
  line-height: 1.65;
}

.page-about__trust-list li span {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: .9rem;
  color: var(--green);
  min-width: 1.7rem;
}

.page-about__trust-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.page-about__trust-contact {
  position: relative;
  align-self: start;
  background: rgba(18,43,80,.72);
  border: 1px solid rgba(0,255,135,.25);
  border-radius: 24px;
  padding: 1.5rem;
}

.page-about__trust-contact-title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: .04em;
}

.page-about__trust-row {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .7rem 0;
  border-bottom: 1px dashed rgba(168,192,224,.2);
}

.page-about__trust-row dt {
  font-size: .78rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: .04em;
}

.page-about__trust-row dd {
  margin: 0;
  font-size: .93rem;
  font-weight: 600;
  word-break: break-all;
}

.page-about__trust-contact-note {
  margin: 1rem 0 0;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--text-muted);
}

@media (min-width: 680px) {
  .page-about__map-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .page-about__identity-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 900px) {
  .page-about__vert-label {
    display: block;
    position: absolute;
    top: .75rem;
    right: .85rem;
    z-index: 2;
    writing-mode: vertical-rl;
    font-size: .72rem;
    letter-spacing: .38em;
    color: var(--text-muted);
    background: rgba(10,31,68,.35);
    padding: .75rem .55rem;
    border-right: 1px solid var(--line-glow);
    border-radius: 0 14px 14px 0;
    text-transform: uppercase;
  }

  .page-about__timeline::before {
    left: 50%;
  }

  .page-about__milestone {
    width: 50%;
    padding-left: 0;
    margin-bottom: 2.25rem;
    display: flex;
  }

  .page-about__milestone:nth-child(odd) {
    margin-left: 0;
    justify-content: flex-end;
  }

  .page-about__milestone:nth-child(even) {
    margin-left: 50%;
    justify-content: flex-start;
  }

  .page-about__milestone-marker {
    left: auto;
  }

  .page-about__milestone:nth-child(odd) .page-about__milestone-marker {
    left: 100%;
  }

  .page-about__milestone:nth-child(even) .page-about__milestone-marker {
    left: 0;
  }

  .page-about__milestone-card {
    width: calc(100% - 2.8rem);
  }

  .page-about__map-body {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.3fr);
    gap: 2.5rem;
  }

  .page-about__eco-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-about__trust-panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .8fr);
    gap: 3rem;
  }
}