.page-about {
  --about-index-width: 196px;
  --about-gold-soft: rgba(245, 197, 66, 0.12);
  --about-gold-line: rgba(245, 197, 66, 0.28);
  background:
    linear-gradient(rgba(245, 197, 66, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 197, 66, 0.018) 1px, transparent 1px),
    var(--bg-deep);
  background-size: 56px 56px;
  color: var(--ice);
  position: relative;
  overflow-x: clip;
}

.about-hero {
  padding: calc(var(--header-height) + 44px) 0 36px;
  position: relative;
}

.about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44%;
  height: 70%;
  background: linear-gradient(150deg, transparent 26%, rgba(245, 197, 66, 0.055) 52%, transparent 74%);
  pointer-events: none;
}

.about-hero__inner {
  display: grid;
  gap: 32px;
  margin-top: 36px;
}

.about-hero__title {
  position: relative;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.22;
  color: var(--ice);
  transform: skew(-3deg);
  margin-bottom: 20px;
  margin-left: 14px;
}

.about-hero__title::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 2px;
  width: 4px;
  height: calc(100% - 4px);
  background: linear-gradient(180deg, var(--gold), transparent);
  transform: skewX(-6deg);
}

.about-hero__lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--lavender);
  max-width: 56ch;
  margin: 0;
}

.about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.about-hero__figure {
  position: relative;
  margin: 0;
  align-self: center;
}

.about-hero__figure::before {
  content: "";
  position: absolute;
  inset: -12px 14px 14px -12px;
  border: 1px solid var(--about-gold-line);
  clip-path: polygon(92% 0, 100% 8%, 100% 100%, 8% 100%, 0 92%, 0 0);
  pointer-events: none;
  z-index: 0;
}

.about-hero__figure::after {
  content: "";
  position: absolute;
  right: -8px;
  top: -8px;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  z-index: 1;
  animation: about-diamond-float 3.2s ease-in-out infinite;
}

.about-hero__figure img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 94% 100%, 0 100%);
}

.about-layout {
  display: grid;
  gap: 36px;
  padding-top: 16px;
  padding-bottom: clamp(56px, 8vw, 104px);
}

.about-index {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  align-self: start;
}

.about-index__label {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lavender);
  margin-bottom: 2px;
}

.about-index__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--lavender);
  font-size: 13px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.about-index__num {
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 12px;
}

.about-index__item:hover {
  color: var(--ice);
  border-color: var(--about-gold-line);
  background: var(--about-gold-soft);
}

.about-main {
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 7vw, 84px);
  min-width: 0;
}

.about-section {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.page-about .section__head {
  margin-bottom: 24px;
}

.page-about .section__sub {
  margin-top: 12px;
  color: var(--lavender);
  font-size: 14px;
}

.about-coordinate__body {
  display: grid;
  gap: 16px;
}

.about-coordinate__body p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 245, 250, 0.84);
  margin: 0;
  max-width: 68ch;
}

.about-coordinate__links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 20px;
}

.about-coordinate__links a {
  color: var(--ice-blue);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid rgba(159, 216, 227, 0.4);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}

.about-coordinate__links a:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
  position: relative;
}

.about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 20px;
  width: 2px;
  background: repeating-linear-gradient(
    180deg,
    var(--gold) 0 6px,
    rgba(245, 197, 66, 0.12) 6px 13px,
    transparent 13px 18px
  );
  transform: skewX(-6deg);
}

.about-timeline::after {
  content: "";
  position: relative;
  display: block;
  height: 2px;
  width: 100%;
  max-width: 320px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: rotate(-1.6deg);
  margin-top: 8px;
}

.about-timeline__item {
  position: relative;
  margin-bottom: 48px;
  padding-left: 20px;
  transition: opacity 0.3s var(--ease);
}

.about-timeline__item:last-child {
  margin-bottom: 0;
}

.about-timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 4px;
  width: 14px;
  height: 14px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  box-shadow: 0 0 12px rgba(245, 197, 66, 0.4);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.about-timeline__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 7px;
  bottom: -26px;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, transparent 50%, rgba(245, 197, 66, 0.25) 50%);
  transform: skewX(-12deg);
  pointer-events: none;
}

.about-timeline__year {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: rgba(245, 197, 66, 0.92);
  margin-bottom: 10px;
}

.about-timeline__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ice);
  margin: 12px 0 8px;
  transform: skew(-2deg);
}

.about-timeline__text {
  font-size: 14px;
  line-height: 1.78;
  color: rgba(242, 245, 250, 0.72);
  margin: 0;
  max-width: 62ch;
}

@media (hover: hover) {
  .about-timeline:hover .about-timeline__item {
    opacity: 0.45;
  }
  .about-timeline:hover .about-timeline__item:hover,
  .about-timeline:hover .about-timeline__item:focus-within {
    opacity: 1;
  }
  .about-timeline__item:hover::before,
  .about-timeline__item:focus-within::before {
    transform: scale(1.22);
    box-shadow: 0 0 20px rgba(245, 197, 66, 0.72);
  }
}

.about-timeline__figure {
  margin: 44px 0 0;
  position: relative;
  padding-right: 12px;
}

.about-timeline__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  clip-path: polygon(10% 0, 100% 0, 100% 94%, 86% 100%, 0 100%, 0 10%);
  filter: saturate(0.92) contrast(1.02);
}

.about-capability__grid {
  display: grid;
  gap: 16px;
}

.about-capability__card {
  position: relative;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.045), transparent 58%),
    var(--bg-panel);
  border: 1px solid var(--line);
  padding: 30px 24px 34px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.about-capability__card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, transparent 50%, rgba(245, 197, 66, 0.16) 50%);
  pointer-events: none;
}

.about-capability__card::after {
  content: "";
  position: absolute;
  left: 24px;
  bottom: 18px;
  width: 42px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--about-gold-line));
  transition: width 0.3s var(--ease);
}

.about-capability__card:hover {
  border-color: var(--about-gold-line);
  transform: translateY(-2px);
}

.about-capability__card:hover::after {
  width: 64px;
}

@keyframes about-gold-pulse {
  0%, 100% {
    box-shadow: 0 0 0 rgba(245, 197, 66, 0);
  }
  50% {
    box-shadow: 0 0 18px rgba(245, 197, 66, 0.38);
  }
}

.about-capability__card:hover::after {
  animation: about-gold-pulse 1.1s ease-in-out infinite;
}

.about-capability__num {
  position: relative;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(40px, 4.4vw, 56px);
  font-weight: 700;
  line-height: 1;
  color: var(--ice);
  margin-bottom: 20px;
}

.about-capability__unit {
  font-size: 22px;
  color: var(--gold);
  margin-left: 4px;
}

.about-capability__num--text {
  font-size: clamp(30px, 3.4vw, 42px);
  color: var(--gold);
  letter-spacing: 0.04em;
}

.about-capability__card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
  margin: 0 0 8px;
  transform: skew(-2deg);
}

.about-capability__card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--lavender);
  margin: 0;
}

.about-capability__figure {
  margin: 34px 0 0;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.about-capability__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 6%, 100% 0, 97% 100%, 0 94%);
}

.about-categories__grid {
  display: grid;
  gap: 14px;
}

.about-categories__item {
  position: relative;
  background: rgba(255, 255, 255, 0.028);
  border-left: 3px solid var(--about-gold-line);
  padding: 22px 22px 22px 24px;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.about-categories__item::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 28px 28px 0;
  border-color: transparent rgba(245, 197, 66, 0.09) transparent transparent;
  pointer-events: none;
}

.about-categories__item:hover {
  background: rgba(255, 255, 255, 0.045);
  border-left-color: var(--gold);
  padding-left: 28px;
}

.about-categories__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

.about-categories__item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
  margin: 0 0 8px;
  transform: skew(-2deg);
}

.about-categories__item p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--lavender);
  margin: 0;
}

.about-compliance__panel {
  position: relative;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.04), transparent 72%),
    var(--bg-panel);
  border: 1px solid var(--line);
  padding: 30px 24px;
}

.about-compliance__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 88px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.about-compliance__meta {
  display: grid;
  gap: 0;
}

.about-compliance__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.about-compliance__row:first-child {
  padding-top: 0;
}

.about-compliance__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.about-compliance__row span {
  flex: 0 0 112px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lavender);
}

.about-compliance__row strong {
  font-size: 14px;
  color: var(--ice);
  font-weight: 600;
  word-break: break-all;
}

.about-compliance__note {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--lavender);
  padding-left: 16px;
  border-left: 2px solid var(--about-gold-line);
  max-width: 72ch;
}

.about-compliance__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@keyframes about-diamond-float {
  0%, 100% {
    transform: translateY(0) rotate(45deg);
  }
  50% {
    transform: translateY(-8px) rotate(45deg);
  }
}

@media (min-width: 640px) {
  .about-capability__grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
}

@media (min-width: 680px) {
  .about-categories__grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .about-categories__item:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .about-hero__inner {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
    gap: 56px;
  }
}

@media (min-width: 1024px) {
  .about-layout {
    grid-template-columns: var(--about-index-width) 1fr;
    gap: 68px;
    align-items: start;
  }

  .about-index {
    position: sticky;
    top: calc(var(--header-height) + 32px);
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
    padding: 0 0 0 22px;
    background: none;
    border: none;
    border-left: 1px solid var(--about-gold-line);
  }

  .about-index__label {
    margin-bottom: 16px;
  }

  .about-index__item {
    position: relative;
    display: flex;
    width: 100%;
    border: none;
    padding: 10px 12px;
    font-size: 14px;
  }

  .about-index__item::before {
    content: "";
    position: absolute;
    left: -22px;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--gold), transparent);
    transform: scaleY(0);
    transform-origin: center top;
    transition: transform 0.3s var(--ease);
  }

  .about-index__item:hover {
    background: rgba(245, 197, 66, 0.05);
  }

  .about-index__item:hover::before {
    transform: scaleY(1);
  }
}