.page-about {
  --about-hero-title: clamp(40px, 8vw, 78px);
  --about-lead: clamp(15px, 2vw, 18px);
  --about-body: clamp(15px, 1.8vw, 17px);
  --about-section-title: clamp(30px, 4vw, 48px);
  --about-accent: #FF4B2E;
  --about-electric: #9B5CFF;
  --about-silver: #A4B0C0;
  --about-line: rgba(164, 176, 192, 0.18);
  overflow-x: clip;
  position: relative;
  isolation: isolate;
}

.page-about .about-hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  margin-top: calc(-1 * var(--rail-space, 170px));
  isolation: isolate;
}

.page-about .about-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-about .about-hero__backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.page-about .about-hero__gradient {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(10, 20, 40, 0.30) 0%, rgba(10, 20, 40, 0.64) 56%, var(--color-primary-bg) 96%),
    linear-gradient(105deg, rgba(155, 92, 255, 0.26) 0%, transparent 46%);
}

.page-about .about-hero__inner {
  padding-top: 200px;
  padding-bottom: 76px;
}

.page-about .about-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-headings);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-action);
  margin: 0 0 20px;
}

.page-about .about-hero__kicker::before {
  content: '';
  width: 34px;
  height: 2px;
  background: currentColor;
  opacity: 0.72;
}

.page-about .about-hero__title {
  font-family: var(--font-headings);
  font-size: var(--about-hero-title);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  margin: 0 0 24px;
  max-width: 880px;
  transform: skewX(-4deg);
  transform-origin: left bottom;
  text-wrap: balance;
}

.page-about .about-hero__lead {
  max-width: 600px;
  margin: 0 0 32px;
  color: var(--color-text-secondary);
  font-size: var(--about-lead);
  line-height: 1.85;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-hero__meta .tag {
  background: rgba(15, 31, 56, 0.82);
  border: 1px solid rgba(164, 176, 192, 0.24);
  color: var(--color-text-secondary);
  padding: 8px 14px;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}

.page-about .about-hero__meta .tag--live {
  border-left: 3px solid var(--color-success);
}

.page-about .about-hero__meta .tag--hot {
  border-left: 3px solid var(--color-accent-action);
}

.page-about .about-hero__meta .tag--tech {
  border-left: 3px solid var(--color-accent-electric);
}

.page-about .breadcrumbs {
  margin: 0 0 22px;
  padding: 0;
  font-size: clamp(13px, 1.4vw, 14px);
  color: var(--color-text-secondary);
}

.page-about .breadcrumbs__item {
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  text-decoration: none;
  transition: color 180ms ease;
}

.page-about .breadcrumbs__item + .breadcrumbs__item::before {
  content: '›';
  margin: 0 8px;
  color: var(--color-tech-silver);
}

.page-about .breadcrumbs__item:hover {
  color: var(--color-accent-electric);
}

.page-about .section {
  margin-top: 88px;
}

.page-about .section__head {
  margin-bottom: 40px;
}

.page-about .section__title {
  font-size: var(--size-h2);
  max-width: 720px;
}

.page-about .section__note {
  color: var(--color-accent-electric);
  font-family: var(--font-headings);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-about .about-origin__layout {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 10px;
}

.page-about .about-origin__copy {
  font-size: var(--about-body);
  line-height: 1.85;
  color: var(--color-text-secondary);
}

.page-about .about-origin__lead {
  font-family: var(--font-headings);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text-primary);
  margin: 0 0 20px;
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-about .about-origin__copy p {
  margin: 0 0 16px;
}

.page-about .about-origin__visual {
  position: relative;
}

.page-about .about-origin__visual::before {
  content: '';
  position: absolute;
  inset: 20px -12px -12px 20px;
  border: 1px solid rgba(155, 92, 255, 0.32);
  border-radius: 2px;
  pointer-events: none;
}

.page-about .about-milestones__track {
  --track-pad: 30px;
  --track-line: 9px;
  --track-dot: 14px;
  position: relative;
  margin-top: 36px;
  max-width: 880px;
  padding-left: var(--track-pad);
}

.page-about .about-milestones__track::before {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 26px;
  left: var(--track-line);
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-accent-action) 0%, var(--color-accent-electric) 68%, rgba(164, 176, 192, 0.24) 100%);
}

.page-about .about-milestones__item {
  position: relative;
  padding: 0 0 44px calc(var(--track-pad) - var(--track-line) + var(--track-dot) / 2 + 1px);
}

.page-about .about-milestones__item:last-child {
  padding-bottom: 0;
}

.page-about .about-milestones__dot {
  position: absolute;
  top: 6px;
  width: var(--track-dot);
  height: var(--track-dot);
  border-radius: 50%;
  background: var(--color-primary-bg);
  border: 3px solid var(--color-accent-action);
  box-shadow: 0 0 0 5px rgba(255, 75, 46, 0.18);
  left: calc(var(--track-line) - var(--track-pad) - var(--track-dot) / 2 + 1px);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-about .about-milestones__item:hover .about-milestones__dot,
.page-about .about-milestones__item:focus-within .about-milestones__dot {
  transform: scale(1.18);
  border-color: var(--color-accent-electric);
  box-shadow: 0 0 0 8px rgba(255, 75, 46, 0.20), 0 0 0 14px rgba(155, 92, 255, 0.10);
}

.page-about .about-milestones__year {
  display: inline-block;
  font-family: var(--font-headings);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--color-accent-action);
  margin: 0 0 12px;
  transform: skewX(-5deg);
  transform-origin: left bottom;
  transition: color 220ms var(--ease);
}

.page-about .about-milestones__item:hover .about-milestones__year,
.page-about .about-milestones__item:focus-within .about-milestones__year {
  color: var(--color-accent-electric);
}

.page-about .about-milestones__card {
  background: linear-gradient(135deg, rgba(15, 31, 56, 0.96), rgba(26, 42, 74, 0.78));
  border-radius: 2px;
  padding: 24px 26px 26px;
  border-left: 3px solid var(--color-accent-action);
  box-shadow: 0 18px 44px rgba(6, 12, 26, 0.26);
  transition: border-color 240ms var(--ease), transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-about .about-milestones__item:hover .about-milestones__card,
.page-about .about-milestones__item:focus-within .about-milestones__card {
  transform: translateY(-3px);
  border-left-color: var(--color-accent-electric);
  box-shadow: 0 26px 50px rgba(6, 12, 26, 0.38);
}

.page-about .about-milestones__label {
  display: inline-block;
  font-family: var(--font-headings);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-warning);
  margin: 0 0 8px;
}

.page-about .about-milestones__card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--about-body);
  line-height: 1.75;
}

.page-about .about-milestones__item:focus-visible {
  outline: 2px solid var(--color-accent-electric);
  outline-offset: 6px;
  border-radius: 2px;
}

.page-about .about-philosophy {
  margin-top: 56px;
  padding: 64px 0 56px;
  background: linear-gradient(180deg, var(--color-primary-bg) 0%, rgba(15, 31, 56, 0.86) 14%, rgba(15, 31, 56, 0.86) 86%, var(--color-primary-bg) 100%);
}

.page-about .about-philosophy__layout {
  display: grid;
  gap: 40px;
  margin-top: 8px;
}

.page-about .about-philosophy__principles {
  display: grid;
  gap: 12px;
}

.page-about .about-philosophy__item {
  border-left: 2px solid var(--color-tech-silver);
  padding-left: 20px;
  padding-block: 14px;
  position: relative;
  transition: border-color 200ms ease;
}

.page-about .about-philosophy__item:hover {
  border-left-color: var(--color-accent-action);
}

.page-about .about-philosophy__index {
  display: inline-block;
  font-family: var(--font-headings);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--color-accent-electric);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.page-about .about-philosophy__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-headings);
  font-size: var(--size-h3);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.3;
  transform: skewX(-4deg);
  transform-origin: left bottom;
}

.page-about .about-philosophy__item p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--about-body);
  line-height: 1.75;
}

.page-about .about-philosophy__frame {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-graph-bg);
  border: 1px solid rgba(164, 176, 192, 0.20);
  border-radius: 2px;
  box-shadow: 18px 18px 0 rgba(155, 92, 255, 0.10);
}

.page-about .about-philosophy__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.page-about .about-why {
  margin-top: 88px;
}

.page-about .about-why__grid {
  display: grid;
  gap: 18px;
  margin-top: 36px;
}

.page-about .about-why__item {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 20px;
  background: linear-gradient(135deg, rgba(15, 31, 56, 0.92), rgba(10, 20, 40, 0.62));
  border: 1px solid rgba(164, 176, 192, 0.16);
  border-left: 2px solid var(--color-accent-action);
  padding: 26px 24px;
  border-radius: 2px;
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}

.page-about .about-why__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(6, 12, 26, 0.40);
  border-left-color: var(--color-accent-electric);
}

.page-about .about-why__number {
  font-family: var(--font-headings);
  font-size: clamp(40px, 4vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  min-width: 64px;
  color: var(--color-accent-action);
  -webkit-text-stroke: 1.5px var(--color-accent-action);
  -webkit-text-fill-color: transparent;
  transform: skewX(-8deg);
  transition: -webkit-text-stroke-color 220ms var(--ease);
}

.page-about .about-why__item:hover .about-why__number,
.page-about .about-why__item:focus-within .about-why__number {
  -webkit-text-stroke-color: var(--color-accent-electric);
}

.page-about .about-why__body h3 {
  margin: 0 0 10px;
  font-family: var(--font-headings);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-about .about-why__body p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--about-body);
  line-height: 1.75;
}

.page-about .about-why__extra {
  display: inline-block;
  margin-top: 14px;
  padding-top: 10px;
  font-family: var(--font-headings);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--about-line);
}

.page-about .about-next {
  margin-top: 88px;
  padding: 56px 0 72px;
  position: relative;
  background: linear-gradient(120deg, rgba(155, 92, 255, 0.16) 0%, rgba(255, 75, 46, 0.12) 50%, transparent 90%);
  border-top: 1px solid rgba(164, 176, 192, 0.18);
}

.page-about .about-next__inner {
  text-align: center;
}

.page-about .about-next__title {
  font-family: var(--font-headings);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin: 0 0 18px;
  transform: skewX(-4deg);
}

.page-about .about-next__text {
  max-width: 600px;
  margin: 0 auto 32px;
  color: var(--color-text-secondary);
  font-size: var(--about-body);
  line-height: 1.75;
}

.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.page-about .about-next__actions .btn {
  font-family: var(--font-headings);
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 2px;
}

.page-about .about-next__actions .btn--primary {
  background: var(--color-accent-action);
  border: 1px solid var(--color-accent-action);
  color: var(--color-text-primary);
  transform: skewX(-3deg);
}

.page-about .about-next__actions .btn--ghost {
  background: transparent;
  border: 1px solid var(--color-tech-silver);
  color: var(--color-text-primary);
  transform: skewX(-3deg);
  transition: border-color 200ms ease, color 200ms ease, background 200ms ease;
}

.page-about .about-next__actions .btn--ghost:hover,
.page-about .about-next__actions .btn--ghost:focus {
  border-color: var(--color-accent-electric);
  color: var(--color-accent-electric);
  background: rgba(155, 92, 255, 0.08);
}

@media (min-width: 640px) {
  .page-about .about-why__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .page-about .about-why__item {
    padding: 30px 28px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    padding-bottom: 96px;
  }

  .page-about .about-hero__title {
    max-width: 920px;
  }

  .page-about .about-origin__layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
  }

  .page-about .about-milestones__track {
    --track-pad: 44px;
    --track-line: 13px;
    --track-dot: 18px;
    margin-top: 44px;
  }

  .page-about .about-milestones__year {
    margin-bottom: 14px;
  }

  .page-about .about-philosophy__layout {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: center;
  }

  .page-about .about-philosophy__principles {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-about .about-philosophy__item {
    padding-left: 18px;
  }

  .page-about .about-philosophy__frame {
    aspect-ratio: 4 / 5;
  }

  .page-about .about-why__grid {
    gap: 26px;
  }

  .page-about .about-next {
    padding: 64px 0 80px;
  }
}