.page-about {
  --about-rail-w: 220px;
  --about-accent-line: rgba(0, 255, 163, 0.55);
  position: relative;
  background-color: var(--bg-deep);
  background-image:
    linear-gradient(rgba(46, 58, 102, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 58, 102, 0.16) 1px, transparent 1px);
  background-size: 32px 32px;
  overflow-x: hidden;
}

.page-about::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -14%;
  width: 52vw;
  height: 52vw;
  min-width: 320px;
  min-height: 320px;
  background: radial-gradient(circle, rgba(255, 110, 26, 0.18) 0%, rgba(255, 110, 26, 0) 62%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-layout,
.page-about .about-main {
  position: relative;
  z-index: 1;
}

.about-layout {
  display: block;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

.about-rail {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px -20px 40px;
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 16, 39, 0.72);
  backdrop-filter: blur(8px);
  overflow-x: auto;
  scrollbar-width: thin;
}

.about-rail nav {
  display: flex;
  gap: 14px;
  min-width: max-content;
}

.rail-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color 0.25s ease;
}

.rail-link:hover,
.rail-link:focus-visible {
  color: var(--text-title);
}

.rail-dot {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--accent-green);
  font-size: 12px;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.rail-link:hover .rail-dot,
.rail-link:focus-visible .rail-dot {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 6px rgba(0, 255, 163, 0.1);
  transform: translateY(-2px);
}

.about-main {
  min-width: 0;
}

.about-hero {
  position: relative;
  padding: 28px 0 8px;
  border-bottom: 1px solid var(--line);
}

.about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 42%;
  height: 4px;
  background: var(--accent-orange);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 100%, 0 100%);
}

.about-hero-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

.about-hero-est {
  letter-spacing: 0.1em;
  color: var(--accent-green);
}

.about-hero-grid {
  display: grid;
  gap: 32px;
  padding-top: 36px;
}

.about-hero-copy h1 {
  margin: 0 0 20px;
  font-family: var(--font-title);
  font-size: clamp(42px, 8.5vw, 86px);
  line-height: 0.92;
  letter-spacing: -0.01em;
  color: var(--text-title);
  text-transform: uppercase;
}

.about-hero-copy h1 span {
  display: block;
  margin-top: 14px;
  color: var(--accent-orange);
  font-size: 0.5em;
  letter-spacing: 0.02em;
}

.about-hero-copy .lead {
  max-width: 560px;
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-primary);
}

.about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.about-hero-figure {
  position: relative;
  margin: 0;
}

.about-hero-figure::before {
  content: "";
  position: absolute;
  inset: 16px -16px -16px 16px;
  border: 1px solid var(--accent-green);
  opacity: 0.45;
  pointer-events: none;
}

.about-hero-figure img {
  position: relative;
  width: 100%;
  display: block;
  object-fit: cover;
}

.about-figcap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.about-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 16px;
  margin-top: 48px;
  padding: 28px 0 20px;
  border-top: 1px solid var(--line);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.4vw, 40px);
  line-height: 1;
  color: var(--accent-orange);
  font-weight: 700;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.about-section {
  padding: 56px 0 0;
  position: relative;
}

.about-section + .about-section {
  margin-top: 56px;
  padding-top: 56px;
  border-top: 1px solid var(--line);
}

.about-section-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 36px;
}

.about-section-head .index-code {
  margin-top: 6px;
  flex-shrink: 0;
}

.about-section-head h2 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.05;
  color: var(--text-title);
  text-transform: uppercase;
}

.about-section-head .section-desc {
  margin: 10px 0 0;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
}

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

.about-origin-copy p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-primary);
}

.about-origin-copy p:first-child::first-letter {
  float: left;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 3.2em;
  line-height: 0.85;
  color: var(--accent-orange);
}

.about-origin-points {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.point-card {
  padding: 20px 22px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-green);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.point-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-green);
}

.point-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent-green);
}

.point-card h3 {
  margin: 10px 0 8px;
  font-size: 16px;
  color: var(--text-title);
}

.point-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.about-origin-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.origin-fact {
  padding: 24px;
  background: linear-gradient(135deg, rgba(255, 110, 26, 0.16), rgba(255, 110, 26, 0.03));
  border: 1px solid rgba(255, 110, 26, 0.4);
  border-radius: var(--radius);
}

.fact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-orange);
}

.fact-text {
  margin: 12px 0 0;
  font-size: 18px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--text-title);
}

.origin-quote {
  margin: 0;
  padding: 20px 24px;
  border-left: 2px solid var(--accent-green);
  background: var(--bg-card);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
}

.origin-data {
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px dashed var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.origin-data-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.origin-data-value {
  font-size: 34px;
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1;
}

.milestones-frame {
  position: relative;
  margin: 0 0 40px;
  height: 240px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.milestones-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.72;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.milestones-frame:hover img {
  opacity: 0.9;
  transform: scale(1.02);
}

.milestones-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 16, 39, 0.2) 0%, rgba(11, 16, 39, 0.78) 88%);
  pointer-events: none;
}

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

.timeline::before {
  content: "";
  position: absolute;
  left: 42px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent-green), var(--line) 32%, var(--line) 68%, var(--accent-orange));
  opacity: 0.6;
}

.timeline-item {
  display: grid;
  grid-template-columns: 56px 24px minmax(0, 1fr);
  align-items: start;
  margin-bottom: 28px;
  position: relative;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-year {
  grid-column: 1;
  padding-top: 4px;
  text-align: right;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-orange);
  line-height: 1.3;
}

.timeline-dot {
  grid-column: 2;
  justify-self: center;
  width: 12px;
  height: 12px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--accent-green);
  position: relative;
  z-index: 1;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-green);
  box-shadow: 0 0 0 6px rgba(0, 255, 163, 0.16);
  transform: scale(1.12);
}

.timeline-card {
  grid-column: 3;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.timeline-card:hover {
  transform: translateX(4px);
  border-color: rgba(0, 255, 163, 0.65);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

.timeline-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--text-title);
}

.timeline-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.milestone-summary {
  margin-top: 36px;
  padding: 24px;
  border-left: 4px solid var(--accent-orange);
  background: rgba(255, 110, 26, 0.08);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-primary);
}

.milestone-summary p {
  margin: 0;
}

.team-grid {
  display: grid;
  gap: 16px;
}

.team-card {
  position: relative;
  padding: 24px 26px 26px 30px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-green);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.team-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 255, 163, 0.6);
}

.team-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, transparent 50%, rgba(0, 255, 163, 0.2) 50%, rgba(0, 255, 163, 0.2) 100%);
}

.team-role-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent-orange);
}

.team-card h3 {
  margin: 10px 0 8px;
  font-size: 17px;
  color: var(--text-title);
}

.team-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.tech-banner {
  display: grid;
  gap: 24px;
  margin: 40px 0 0;
  padding: 28px;
  background: linear-gradient(100deg, rgba(255, 110, 26, 0.16), rgba(255, 110, 26, 0.04) 72%);
  border: 1px solid rgba(255, 110, 26, 0.36);
  position: relative;
}

.tech-banner::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 76px;
  height: 5px;
  background: var(--accent-orange);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%);
}

.tech-banner-copy h3 {
  margin: 0 0 10px;
  font-size: 22px;
  color: var(--text-title);
}

.tech-banner-copy p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.tech-banner-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  text-align: center;
}

.tech-banner-stats div {
  display: flex;
  flex-direction: column;
  gap: 5px;
  justify-content: center;
  padding: 14px 6px;
  background: rgba(11, 16, 39, 0.4);
  border: 1px solid var(--line);
}

.tech-banner-stats .stat-num {
  font-size: 28px;
  color: var(--accent-green);
}

.tech-banner-stats .stat-label {
  font-size: 12px;
}

.mission-grid {
  display: grid;
  gap: 32px;
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

.mission-figure {
  position: relative;
  margin: 0;
}

.mission-figure::before {
  content: "";
  position: absolute;
  inset: -14px 14px 14px -14px;
  border: 1px solid var(--line);
  pointer-events: none;
}

.mission-figure img {
  position: relative;
  width: 100%;
  display: block;
  object-fit: cover;
}

.mission-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent-green);
}

.mission-copy h3 {
  margin: 16px 0 16px;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.28;
  color: var(--text-title);
}

.mission-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.mission-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@media (min-width: 640px) {
  .about-hero-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .about-hero-stats .stat-item + .stat-item {
    border-left: 1px solid var(--line);
    padding-left: 20px;
  }

  .about-origin-points {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

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

  .tech-banner {
    grid-template-columns: 1.3fr 1fr;
    align-items: center;
    padding: 32px 36px;
  }
}

@media (min-width: 768px) {
  .about-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 44px;
    align-items: center;
  }

  .milestones-frame {
    height: 420px;
  }

  .mission-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .about-layout {
    display: grid;
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 24px;
  }

  .about-rail {
    display: block;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    backdrop-filter: none;
    overflow: visible;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    height: calc(100vh - var(--header-h) - 56px);
  }

  .about-rail nav {
    flex-direction: column;
    gap: 22px;
    min-width: 0;
    padding-top: 12px;
  }

  .rail-link {
    position: relative;
  }

  .rail-link + .rail-link::before {
    content: "";
    position: absolute;
    left: 19px;
    top: -22px;
    width: 1px;
    height: 22px;
    background: var(--line);
  }

  .about-origin-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.6fr);
    gap: 56px;
  }
}