.page-about {
  background:
    linear-gradient(180deg, rgba(18, 24, 38, 0.6), rgba(11, 14, 20, 1) 62%),
    var(--bg-deep);
  color: var(--body);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.about-hero {
  position: relative;
  padding: 2.2rem 0 4rem;
  background:
    radial-gradient(circle at 88% 12%, rgba(42, 157, 244, 0.15), transparent 42%),
    radial-gradient(circle at 8% 100%, rgba(230, 57, 70, 0.16), transparent 52%),
    linear-gradient(135deg, rgba(26, 34, 50, 0.92) 0%, var(--bg-deep) 58%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.about-hero .breadcrumb {
  margin-bottom: 2.2rem;
}

.about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
  align-items: center;
}

.about-hero__kicker {
  margin: 0 0 0.8rem;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--yellow);
  text-transform: uppercase;
}

.about-hero__copy h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0.02em;
  color: var(--title);
  text-wrap: balance;
}

.about-hero__lead {
  margin: 1.2rem 0 0;
  max-width: 58rem;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--body);
}

.about-hero__facts {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.about-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.6rem 0.95rem;
  background: rgba(18, 24, 38, 0.82);
  border: 1px solid var(--line);
  border-left: 3px solid var(--yellow);
  font-size: 0.88rem;
  color: var(--muted);
}

.about-hero__facts span {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--title);
}

.about-hero__panel {
  padding: 1.7rem 1.5rem 1.5rem;
  background:
    linear-gradient(155deg, rgba(230, 57, 70, 0.1), rgba(11, 14, 20, 0.35)),
    var(--bg-panel);
  box-shadow: 10px 10px 0 rgba(230, 57, 70, 0.12);
}

.about-hero__panel-core {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1.3rem;
}

.about-hero__panel-num {
  font-family: var(--font-data);
  font-size: 4.4rem;
  font-weight: 700;
  line-height: 0.9;
  color: var(--red);
}

.about-hero__panel-unit {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

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

.about-hero__panel-list li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-data);
  font-size: 0.86rem;
  color: var(--body);
}

.about-hero__panel-list li::before {
  content: "▸";
  color: var(--yellow);
}

.about-hero__stripe {
  display: flex;
  gap: 2px;
  height: 8px;
  margin-top: 3.2rem;
}

.about-hero__stripe i {
  flex: 1;
  display: block;
  transform: skewX(-24deg);
  transform-origin: left bottom;
}

.about-hero__stripe i:nth-child(1),
.about-hero__stripe i:nth-child(5) {
  background: var(--red);
}

.about-hero__stripe i:nth-child(2) {
  background: var(--yellow);
}

.about-hero__stripe i:nth-child(3) {
  background: var(--blue);
}

.about-hero__stripe i:nth-child(4) {
  background: var(--green);
}

.about-layout {
  padding: 3.4rem 0 1.6rem;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.012) 0 1px, transparent 1px 4px),
    var(--bg-deep);
}

.about-layout__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  align-items: start;
}

.about-rail__inner {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  padding: 1.4rem 1.2rem;
}

.about-rail__label {
  display: block;
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.7rem;
  margin-bottom: 0.8rem;
}

.about-rail__nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.about-rail__nav a {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--body);
  padding: 0.55rem 0.4rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
  transition: color 0.25s, background 0.25s, padding-left 0.25s;
}

.about-rail__nav a i {
  font-family: var(--font-data);
  font-style: normal;
  color: var(--yellow);
  font-size: 0.8rem;
  opacity: 0.85;
}

.about-rail__nav a:hover,
.about-rail__nav a:focus-visible {
  color: var(--title);
  padding-left: 0.8rem;
  background: rgba(244, 166, 20, 0.08);
}

.about-rail__meta {
  margin-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

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

.about-section {
  padding: 2.6rem 0 3.2rem;
  border-bottom: 1px solid var(--line);
}

.about-section:last-child {
  border-bottom: none;
}

.about-section__head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 2rem;
  border-left: 4px solid var(--red);
  padding-left: 1.2rem;
}

.about-section__num {
  font-family: var(--font-data);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--red);
  margin-top: 0.2rem;
  min-width: 2.4ch;
}

.about-section__head-text h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.85rem, 4vw, 2.9rem);
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--title);
  font-weight: 700;
}

.about-section__sub {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.about-section:target .about-section__head-text h2 {
  color: var(--yellow);
}

.about-origin__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

.about-origin__text p {
  margin: 0 0 1rem;
  line-height: 1.8;
}

.about-origin__text a {
  color: var(--green);
  text-decoration-color: rgba(0, 229, 160, 0.4);
  text-underline-offset: 4px;
}

.about-origin__lead {
  color: var(--title);
  font-size: 1.14rem;
  line-height: 1.8;
}

.about-origin__figure {
  margin: 0;
  position: relative;
}

.about-origin__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.about-origin__figure figcaption {
  margin-top: 0.8rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--blue);
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
}

.about-origin__trail {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  padding: 1.05rem;
  background: linear-gradient(90deg, rgba(230, 57, 70, 0.1), rgba(244, 166, 20, 0.08), rgba(42, 157, 244, 0.06));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.about-origin__trail-item {
  font-family: var(--font-data);
  font-size: 0.84rem;
  color: var(--body);
  padding: 0.35rem 0.8rem;
  background: rgba(11, 14, 20, 0.6);
  border-left: 3px solid var(--yellow);
}

.about-milestones__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}

.about-milestones__quick a {
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  padding: 0.3rem 0.78rem;
  border-radius: var(--radius);
  transition: color 0.2s, border-color 0.2s;
}

.about-milestones__quick a:hover,
.about-milestones__quick a:focus-visible {
  color: var(--yellow);
  border-color: var(--yellow);
}

.about-timeline {
  list-style: none;
  margin: 0;
  padding: 0.8rem 0 0;
  position: relative;
}

.about-timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--red), var(--yellow) 30%, var(--blue) 65%, var(--green) 100%);
  opacity: 0.55;
  border-radius: 2px;
}

.about-timeline__item {
  position: relative;
  padding: 0 0 2.8rem 56px;
}

.about-timeline__dot {
  position: absolute;
  left: 9px;
  top: 2.2rem;
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 4px solid var(--bg-deep);
  z-index: 2;
}

.about-timeline__dot--red {
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.35);
}

.about-timeline__dot--yellow {
  background: var(--yellow);
  box-shadow: 0 0 0 3px rgba(244, 166, 20, 0.32);
}

.about-timeline__dot--blue {
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(42, 157, 244, 0.32);
}

.about-timeline__dot--green {
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.32);
}

.about-timeline__card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0) 40%),
    var(--bg-panel);
  border: 1px solid var(--line-strong);
  padding: 1.25rem 1.3rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.18), 12px 12px 0 rgba(230, 57, 70, 0.08);
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
}

.about-timeline__card::before,
.about-timeline__card::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.about-timeline__card::before {
  right: 0;
  top: 0;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--red) 50%, transparent 50%);
  opacity: 0.75;
  z-index: 1;
}

.about-timeline__card::after {
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0 4px, transparent 4px 8px);
  border-radius: 0 0 var(--radius) var(--radius);
}

.about-timeline__item:target .about-timeline__card {
  border-color: var(--yellow);
  background: var(--bg-elevated);
  transform: translateY(-2px);
}

.about-timeline__year {
  display: block;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--yellow);
  margin-bottom: 0.5rem;
}

.about-timeline__card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--title);
}

.about-timeline__card p {
  margin: 0 0 0.9rem;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--body);
}

.about-milestones__media {
  margin: 0;
  position: relative;
  z-index: 1;
  padding: 1rem;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.2);
}

.about-milestones__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
  border-radius: var(--radius);
}

.about-milestones__media figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: right;
}

.about-tech {
  background:
    linear-gradient(115deg, rgba(230, 57, 70, 0.08), transparent 38%),
    var(--bg-deep);
  border-radius: var(--radius);
  padding-left: 1.1rem;
  padding-right: 1.1rem;
}

.about-tech__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
  align-items: start;
}

.about-tech__intro p {
  margin: 0 0 1rem;
  line-height: 1.8;
}

.about-tech__cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.about-tech__cards .data-card {
  margin: 0;
  padding: 1.2rem 1.2rem 1.35rem;
}

.about-tech__specs {
  margin-top: 0.2rem;
  box-shadow: 8px 8px 0 rgba(42, 157, 244, 0.12);
}

.about-tech__specs dl {
  margin: 0;
  padding: 0.3rem 0 0.1rem;
}

.about-tech__specs dl div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.2rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}

.about-tech__specs dl div:last-child {
  border-bottom: none;
}

.about-tech__specs dt {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--yellow);
  text-transform: uppercase;
}

.about-tech__specs dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--body);
}

.about-team {
  background:
    linear-gradient(120deg, rgba(42, 157, 244, 0.08), transparent 40%),
    var(--bg-deep);
  border-radius: var(--radius);
  padding-left: 1.1rem;
  padding-right: 1.1rem;
}

.about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.about-team__text p {
  margin: 0 0 1rem;
  line-height: 1.8;
}

.about-team__btn {
  margin-top: 0.5rem;
}

.about-team__culture {
  position: relative;
  padding: 2rem 1.6rem 1.8rem;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  overflow: hidden;
  box-shadow: 10px 10px 0 rgba(244, 166, 20, 0.12);
}

.about-team__culture::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-top: 58px solid var(--yellow);
  border-left: 58px solid transparent;
  opacity: 0.85;
}

.about-team__culture-num {
  display: block;
  font-family: var(--font-data);
  font-size: 5rem;
  font-weight: 700;
  line-height: 0.9;
  color: var(--yellow);
}

.about-team__culture-label {
  display: block;
  margin: 0.5rem 0 1.4rem;
  font-size: 0.92rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

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

.about-team__principles li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 0.4rem 0.5rem;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.about-team__principles i {
  font-family: var(--font-data);
  font-style: normal;
  color: var(--blue);
  font-size: 0.8rem;
}

.about-team__principles span {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--title);
}

.about-team__principles em {
  grid-column: 2;
  font-style: normal;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--muted);
}

.about-honors__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.about-honors__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.about-honors__card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, rgba(0, 229, 160, 0.08), transparent 42%), var(--bg-panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem 1.6rem 5rem;
}

.about-honors__card:nth-child(2) {
  background: linear-gradient(140deg, rgba(230, 57, 70, 0.1), transparent 42%), var(--bg-panel);
}

.about-honors__card:nth-child(3) {
  background: linear-gradient(140deg, rgba(244, 166, 20, 0.1), transparent 42%), var(--bg-panel);
}

.about-honors__badge {
  position: absolute;
  left: 1.2rem;
  top: 1.4rem;
  width: 2.7rem;
  height: 2.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 50%;
  background: rgba(0, 229, 160, 0.15);
  color: var(--green);
  border: 1px solid rgba(0, 229, 160, 0.3);
}

.about-honors__card:nth-child(2) .about-honors__badge {
  color: var(--red);
  background: rgba(230, 57, 70, 0.13);
  border-color: rgba(230, 57, 70, 0.3);
}

.about-honors__card:nth-child(3) .about-honors__badge {
  color: var(--yellow);
  background: rgba(244, 166, 20, 0.13);
  border-color: rgba(244, 166, 20, 0.3);
}

.about-honors__card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  color: var(--title);
}

.about-honors__card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--body);
}

.about-honors__figure {
  margin: 0;
  position: relative;
}

.about-honors__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.about-honors__figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

.about-cta {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(230, 57, 70, 0.14), transparent 55%),
    radial-gradient(ellipse at 85% 100%, rgba(42, 157, 244, 0.1), transparent 50%),
    var(--bg-deep);
  padding: 3.4rem 0;
}

.about-cta .container-wide {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.4rem;
}

.about-cta p {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.02em;
  color: var(--title);
}

.about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
}

@media (min-width: 620px) {
  .about-tech__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 760px) {
  .about-origin__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.4rem;
  }

  .about-tech__specs dl div {
    grid-template-columns: 180px 1fr;
    gap: 1rem;
    align-items: baseline;
  }

  .about-team__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.4rem;
  }

  .about-honors__grid {
    grid-template-columns: 1.02fr 0.98fr;
    gap: 2.4rem;
  }
}

@media (min-width: 840px) {
  .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 3rem;
  }
}

@media (min-width: 980px) {
  .about-layout__inner {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 3.5rem;
  }

  .about-rail__inner {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }

  .about-timeline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 52px;
    padding-top: 1rem;
  }

  .about-timeline::before {
    left: 50%;
    transform: translateX(-50%);
    top: 8px;
    bottom: 8px;
  }

  .about-timeline__item--left {
    grid-column: 1;
    padding: 0 54px 3rem 0;
    text-align: right;
  }

  .about-timeline__item--right {
    grid-column: 2;
    padding: 0 0 3rem 54px;
    text-align: left;
  }

  .about-timeline__dot {
    left: auto;
    right: -9px;
  }

  .about-timeline__item--right .about-timeline__dot {
    right: auto;
    left: -9px;
  }

  .about-timeline__item--right .about-timeline__card::before {
    left: 0;
    right: auto;
    transform: scaleX(-1);
  }

  .about-timeline__break {
    grid-column: 1 / -1;
    padding: 0 0 2.8rem;
  }

  .about-timeline__card {
    box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.2), 14px 14px 0 rgba(42, 157, 244, 0.08);
  }

  .about-tech__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 1.8rem;
  }

  .about-tech__cards {
    margin-top: 0;
  }

  .about-tech__specs {
    grid-column: 1 / -1;
  }
}