.page-about {
  --about-line: #262D38;
  --about-gradient: linear-gradient(135deg, #0E141D 0%, #16202B 100%);
  --about-gold-glow: rgba(212, 175, 55, 0.12);
  --about-orange-ink: rgba(255, 122, 0, 0.18);
  background: var(--bg-night);
  color: var(--text-paper);
  scroll-behavior: smooth;
}

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

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

.page-about .about-cover {
  padding: 28px 0 44px;
  position: relative;
}

.page-about .breadcrumb {
  margin-bottom: 32px;
}

.page-about .about-hero-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-about .about-kicker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
}

.page-about .about-kicker-mark {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--accent-orange);
  transform: rotate(45deg);
}

.page-about .about-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 5.5vw, 5.2rem);
  line-height: 1.04;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
}

.page-about .about-lead {
  color: var(--text-mist);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.7;
  max-width: 60ch;
  margin-bottom: 1.75rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-about .about-hero-note {
  color: var(--text-mist);
  font-size: 0.875rem;
}

.page-about .about-scoreboard {
  position: relative;
  background: linear-gradient(160deg, var(--bg-panel) 0%, #111721 100%);
  border: 1px solid var(--about-line);
  padding: 22px;
  overflow: hidden;
}

.page-about .about-scoreboard::after {
  content: "";
  position: absolute;
  right: -22px;
  top: -22px;
  width: 80px;
  height: 80px;
  background: var(--about-gold-glow);
  transform: rotate(45deg);
}

.page-about .scoreboard-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.page-about .scoreboard-title {
  color: var(--text-mist);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
}

.page-about .status-dot {
  width: 8px;
  height: 8px;
  background: var(--data-green);
  display: inline-block;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(46, 204, 113, 0.15);
}

.page-about .scoreboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
}

.page-about .scoreboard-stat {
  border-top: 1px solid var(--about-line);
  padding-top: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-about .scoreboard-num {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--accent-orange);
  line-height: 1;
}

.page-about .scoreboard-label {
  color: var(--text-mist);
  font-size: 0.8125rem;
}

.page-about .scoreboard-index {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--about-line);
}

.page-about .scoreboard-index-title {
  display: block;
  color: var(--text-mist);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.page-about .index-link {
  display: inline-block;
  margin: 0 0.35rem 0.35rem 0;
  padding: 0.4rem 0.75rem;
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.35);
  color: var(--accent-gold);
  text-decoration: none;
  font-size: 0.875rem;
}

.page-about .index-link:hover,
.page-about .index-link:focus {
  background: var(--accent-orange);
  color: var(--bg-night);
}

.page-about .about-section {
  padding: 52px 0;
  border-top: 1px solid var(--about-line);
  scroll-margin-top: 30px;
}

.page-about .about-section-head {
  display: grid;
  gap: 12px;
  align-items: end;
  margin-bottom: 32px;
}

.page-about .section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin-top: 0.35rem;
}

.page-about .section-side-note {
  color: var(--text-mist);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  margin: 0;
}

.page-about .story-grid {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-about .story-card {
  background: var(--bg-panel);
  border-left: 4px solid var(--accent-gold);
  padding: clamp(20px, 3vw, 40px);
}

.page-about .story-card h3 {
  font-size: 1.5rem;
  margin: 0 0 1rem;
}

.page-about .story-card p {
  color: #C9D0DA;
  line-height: 1.7;
}

.page-about .story-address {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--about-line);
}

.page-about .story-address-text {
  color: var(--text-paper);
  font-weight: 700;
}

.page-about .story-figure,
.page-about .tech-visual,
.page-about .qualification-figure {
  margin: 0;
}

.page-about .story-figure figcaption,
.page-about .tech-visual figcaption,
.page-about .qualification-figure figcaption {
  margin-top: 0.75rem;
  color: var(--text-mist);
  font-size: 0.875rem;
}

.page-about .story-frame {
  aspect-ratio: 2 / 1;
}

.page-about .milestone-layout {
  display: grid;
  gap: 32px;
}

.page-about .milestone-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 12px;
}

.page-about .milestone-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 24px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-gold), var(--accent-orange), transparent);
}

.page-about .milestone-item {
  position: relative;
  padding: 0 0 8px 46px;
}

.page-about .milestone-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 26px;
  width: 12px;
  height: 12px;
  background: var(--bg-night);
  border: 3px solid var(--accent-orange);
  transform: rotate(45deg);
}

.page-about .milestone-year {
  color: var(--accent-gold);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.page-about .milestone-card {
  background: var(--bg-panel);
  border: 1px solid var(--about-line);
  border-left: 2px solid var(--accent-orange);
  padding: 20px;
}

.page-about .milestone-card h3 {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.page-about .milestone-card > p {
  color: var(--text-mist);
  line-height: 1.6;
  margin: 0 0 0.5rem;
}

.page-about .milestone-details {
  margin-top: 0.75rem;
  border-top: 1px dashed var(--about-line);
  padding-top: 0.5rem;
  color: var(--text-mist);
}

.page-about .milestone-details summary {
  cursor: pointer;
  color: var(--accent-orange);
  font-weight: 700;
  list-style: none;
}

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

.page-about .milestone-details summary::before {
  content: "+ ";
}

.page-about .milestone-details[open] summary::before {
  content: "– ";
}

.page-about .milestone-details p {
  color: var(--text-mist);
  line-height: 1.6;
  margin-top: 0.5rem;
}

.page-about .milestone-details summary:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 4px;
}

.page-about .milestone-aside {
  background: linear-gradient(160deg, var(--bg-panel) 0%, #10151D 100%);
  border-top: 4px solid var(--accent-gold);
  padding: 24px;
}

.page-about .milestone-aside h3 {
  font-size: 1.25rem;
  margin: 0.5rem 0 0.75rem;
}

.page-about .milestone-aside p {
  color: var(--text-mist);
  line-height: 1.7;
}

.page-about .tech-grid {
  display: grid;
  gap: 24px;
}

.page-about .tech-copy {
  background: var(--bg-panel);
  border-top: 4px solid var(--accent-orange);
  padding: clamp(20px, 3vw, 40px);
}

.page-about .tech-copy h3 {
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
}

.page-about .tech-copy p {
  color: var(--text-mist);
  line-height: 1.7;
}

.page-about .tech-list {
  list-style: none;
  margin: 28px 0;
  padding: 0;
  border-top: 1px solid var(--about-line);
}

.page-about .tech-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  padding: 14px 0;
  border-bottom: 1px solid var(--about-line);
}

.page-about .tech-list strong {
  color: var(--accent-gold);
  min-width: 7rem;
}

.page-about .tech-list span {
  color: var(--text-mist);
  line-height: 1.6;
}

.page-about .tech-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.page-about .tech-metrics .data-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.85rem;
  background: #111722;
  border: 1px solid var(--about-line);
}

.page-about .tech-metrics .data-label {
  color: var(--text-mist);
  font-size: 0.8125rem;
}

.page-about .tech-metrics .data-value {
  color: var(--accent-orange);
  font-size: 1.4rem;
}

.page-about .tech-visual {
  position: relative;
}

.page-about .tech-frame {
  aspect-ratio: 8 / 5;
}

.page-about .tech-float {
  position: absolute;
  background: rgba(11, 14, 20, 0.9);
  border: 1px solid var(--accent-gold);
  padding: 0.4rem 0.6rem;
  color: var(--accent-orange);
  font-size: 0.875rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.4;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-about .tech-float small {
  display: block;
  color: var(--text-mist);
  font-size: 0.6875rem;
}

.page-about .tech-float--left {
  left: 1rem;
  top: 1rem;
}

.page-about .tech-float--right {
  right: 1rem;
  bottom: 1rem;
}

.page-about .tech-visual:hover .tech-float,
.page-about .tech-visual:focus-within .tech-float {
  opacity: 1;
  transform: translateY(-2px);
}

.page-about .qualification-wrap {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-about .qualification-copy h3 {
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
}

.page-about .qualification-copy p {
  color: var(--text-mist);
  line-height: 1.7;
}

.page-about .partner-wall {
  margin-top: 28px;
}

.page-about .partner-wall-title {
  display: block;
  color: var(--text-mist);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.page-about .partner-track {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 2px 0 14px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-orange) transparent;
}

.page-about .partner-card {
  flex: 0 0 170px;
  scroll-snap-align: start;
  background: var(--bg-panel);
  border: 1px solid var(--about-line);
  border-top: 2px solid var(--accent-gold);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--text-paper);
}

.page-about .partner-card svg {
  width: 36px;
  height: 36px;
  color: var(--accent-gold);
  display: block;
}

.page-about .partner-card span {
  color: var(--text-mist);
  font-size: 0.8125rem;
  line-height: 1.4;
}

.page-about .qualification-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--about-line);
  font-size: 0.875rem;
}

.page-about .qualification-frame {
  aspect-ratio: 8 / 5;
}

.page-about .vision-panel {
  position: relative;
  background: var(--about-gradient);
  border: 1px solid var(--about-line);
  padding: clamp(24px, 4vw, 60px);
  overflow: hidden;
}

.page-about .vision-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 120px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-gold));
}

.page-about .vision-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 160px;
  height: 160px;
  background: var(--about-gold-glow);
  transform: rotate(45deg);
}

.page-about .vision-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0.5rem 0 1rem;
}

.page-about .vision-statement {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.5vw, 4rem);
  font-weight: 900;
  line-height: 1.18;
  margin: 0 0 2rem;
}

.page-about .vision-grid {
  display: grid;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.page-about .vision-principle {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--about-line);
  padding: 20px;
}

.page-about .vision-principle-index {
  color: var(--accent-gold);
  font-size: 0.875rem;
}

.page-about .vision-principle h3 {
  font-size: 1.1rem;
  margin: 0.5rem 0;
}

.page-about .vision-principle p {
  color: var(--text-mist);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.page-about .vision-footer {
  margin-top: 28px;
  border-top: 1px solid var(--about-line);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.page-about .vision-footer > p {
  color: var(--text-mist);
  line-height: 1.7;
}

.page-about .vision-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .about-rail {
  display: none;
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1fr) 380px;
  }

  .page-about .about-section-head {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-about .section-side-note {
    text-align: right;
    max-width: 260px;
  }

  .page-about .story-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-about .tech-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: stretch;
  }

  .page-about .qualification-wrap {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

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

  .page-about .vision-footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1000px) {
  .page-about .milestone-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .page-about .milestone-item {
    padding-left: 56px;
  }
}

@media (min-width: 1320px) {
  .page-about .about-rail {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    position: fixed;
    right: max(24px, calc((100vw - 1280px) / 2 - 48px));
    top: 45%;
    transform: translateY(-50%);
    z-index: 4;
    background: rgba(21, 27, 35, 0.92);
    border: 1px solid var(--about-line);
    padding: 10px;
  }

  .page-about .about-rail-label {
    color: var(--text-mist);
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
    margin-bottom: 4px;
  }

  .page-about .about-rail a {
    color: var(--text-paper);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 4px 8px;
    border-left: 2px solid transparent;
  }

  .page-about .about-rail a:hover,
  .page-about .about-rail a:focus {
    color: var(--accent-orange);
    border-left-color: var(--accent-gold);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about {
    scroll-behavior: auto;
  }

  .page-about .tech-float {
    transition: none;
  }
}