.page-about {
  position: relative;
  color: var(--c-white);
  background:
    radial-gradient(ellipse 90% 55% at 88% -5%, rgba(29, 53, 87, .6), transparent 62%),
    radial-gradient(ellipse 55% 35% at -8% 25%, rgba(230, 57, 70, .13), transparent 58%),
    linear-gradient(180deg, #0A0A0A 0%, #0C0F16 40%, #0A0A0A 100%);
}

.page-about .container {
  max-width: var(--max-width);
}

.page-about .about-hero {
  position: relative;
  padding: 110px 0 90px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
  overflow: hidden;
}

.page-about .about-hero__decor {
  position: absolute;
  top: 44px;
  right: 0;
  z-index: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(48px, 13vw, 160px);
  line-height: .9;
  color: transparent;
  -webkit-text-stroke: 1px rgba(184, 184, 208, .12);
  text-align: right;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.page-about .about-hero__decor br {
  display: block;
}

.page-about .about-hero__title,
.page-about .about-hero__lead,
.page-about .about-hero__meta {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .breadcrumbs {
  margin-bottom: 8px;
}

.page-about .about-hero .section-label {
  margin: 0;
}

.page-about .about-hero__title {
  margin: 0;
  font-size: clamp(52px, 8vw, 120px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 1000px;
}

.page-about .about-hero__lead {
  margin: 0;
  font-size: 18px;
  line-height: 1.7;
  color: var(--c-silver);
  max-width: 620px;
}

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

.page-about .about-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--c-ivory);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(184, 184, 208, .24);
  border-radius: 999px;
  padding: 8px 16px;
}

.page-about .about-hero__tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-red);
  box-shadow: 0 0 8px var(--c-red);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: 30px;
  width: 300px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-red), var(--c-cyan));
  transform: rotate(-8deg);
  transform-origin: right center;
  opacity: .45;
  pointer-events: none;
}

.page-about .section {
  padding: 72px 0;
  position: relative;
}

.page-about .section-head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 0;
  padding-top: 8px;
}

.page-about .section-label {
  color: var(--c-red);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-about .section-label::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--c-red);
  display: inline-block;
}

.page-about .section-title {
  margin: 0;
  font-size: clamp(34px, 5vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-about .section-desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-silver);
  max-width: 420px;
}

.page-about .about-mission__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.page-about .about-mission__content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-about .about-mission__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(244, 244, 248, .82);
}

.page-about .about-mission__content .btn {
  align-self: flex-start;
  margin-top: 8px;
}

.page-about .about-mission__media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(184, 184, 208, .16);
  background: var(--c-blue);
  box-shadow: var(--shadow-panel);
}

.page-about .about-mission__media img,
.page-about .about-journey__media img,
.page-about .about-data__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-journey__grid,
.page-about .about-data__grid,
.page-about .about-tech__grid,
.page-about .about-service__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-about .about-journey__body,
.page-about .about-data__body,
.page-about .about-tech__body,
.page-about .about-service__body {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-about .about-journey__media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(184, 184, 208, .14);
  background: var(--c-blue);
}

.page-about .about-timeline {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-red), rgba(184, 184, 208, .2), transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 36px 40px;
}

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

.page-about .about-timeline__marker {
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(230, 57, 70, .4);
  box-shadow: 0 0 0 4px rgba(230, 57, 70, .12);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}

.page-about .about-timeline__item[data-reveal].is-revealed .about-timeline__marker {
  background: var(--c-red);
  box-shadow:
    0 0 0 4px rgba(230, 57, 70, .2),
    0 0 16px rgba(230, 57, 70, .6);
  animation: about-pulse 2s ease-out infinite;
}

@keyframes about-pulse {
  0%, 100% {
    box-shadow: 0 0 0 4px rgba(230, 57, 70, .2), 0 0 12px rgba(230, 57, 70, .5);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(230, 57, 70, .08), 0 0 22px rgba(230, 57, 70, .8);
  }
}

.page-about .about-timeline__card {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(184, 184, 208, .1);
  border-radius: 12px;
  padding: 20px 24px;
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-about .about-timeline__item[data-reveal].is-revealed .about-timeline__card {
  border-color: rgba(230, 57, 70, .32);
  background: rgba(29, 53, 87, .22);
}

.page-about .about-timeline__year {
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 6px;
}

.page-about .about-timeline__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-white);
}

.page-about .about-timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 244, 248, .72);
}

.page-about .about-data {
  background: linear-gradient(180deg, transparent, rgba(29, 53, 87, .28) 38%, transparent);
}

.page-about .about-data__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.page-about .about-stat {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(184, 184, 208, .1);
  border-top: 3px solid rgba(230, 57, 70, .55);
  border-radius: 12px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}

.page-about .about-stat:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 194, 255, .4);
}

.page-about .about-stat__num {
  font-family: var(--font-num);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-about .about-stat__label {
  font-size: 14px;
  color: var(--c-silver);
  line-height: 1.4;
}

.page-about .about-data__stats .about-stat:nth-child(5) {
  grid-column: 1 / -1;
}

.page-about .about-data__media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(184, 184, 208, .14);
  background: var(--c-blue);
}

.page-about .media-frame-caption {
  font-size: 13px;
  color: var(--c-gray);
  margin: 8px 0 0;
}

.page-about .about-data__note {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 244, 248, .66);
  border-left: 2px solid var(--c-red);
  padding-left: 16px;
  margin: 8px 0 0;
}

.page-about .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid rgba(184, 184, 208, .14);
  padding-bottom: 16px;
}

.page-about .tab-button {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-silver);
  background: transparent;
  border: 1px solid rgba(184, 184, 208, .18);
  border-radius: 999px;
  padding: 8px 18px;
  cursor: pointer;
  transition: all .25s var(--ease);
}

.page-about .tab-button:hover {
  color: var(--c-white);
  border-color: var(--c-silver);
}

.page-about .tab-button[aria-selected="true"] {
  color: var(--c-white);
  background: var(--c-red);
  border-color: var(--c-red);
}

.page-about .about-tech__panel {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(184, 184, 208, .1);
  border-radius: 12px;
  padding: 24px;
  margin-top: 8px;
}

.page-about .about-tech__panel-title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--c-white);
}

.page-about .about-tech__panel-text {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 244, 248, .76);
}

.page-about .about-tech__panel-text:last-child {
  margin-bottom: 0;
}

.page-about .about-service__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-service__card {
  background: linear-gradient(135deg, rgba(29, 53, 87, .3), rgba(255, 255, 255, .02));
  border: 1px solid rgba(184, 184, 208, .12);
  border-left: 3px solid var(--c-red);
  border-radius: 12px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: border-color .25s var(--ease);
}

.page-about .about-service__card::after {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(230, 57, 70, .08);
  pointer-events: none;
}

.page-about .about-service__number {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-red);
  letter-spacing: .06em;
}

.page-about .about-service__card-title {
  margin: 12px 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-white);
}

.page-about .about-service__card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 244, 248, .72);
}

.page-about .about-cta {
  margin-top: 40px;
  background: linear-gradient(135deg, rgba(230, 57, 70, .12), rgba(29, 53, 87, .35));
  border: 1px solid rgba(184, 184, 208, .14);
  border-radius: 16px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-about .about-cta__title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.4;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 140px 0 100px;
  }

  .page-about .about-mission__grid {
    grid-template-columns: 5fr 4fr;
    gap: 64px;
  }

  .page-about .about-data__stats {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-about .about-data__stats .about-stat:nth-child(5) {
    grid-column: auto;
  }

  .page-about .about-service__cards {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1080px) {
  .page-about .section {
    padding: 96px 0;
  }

  .page-about .about-journey__grid,
  .page-about .about-data__grid,
  .page-about .about-tech__grid,
  .page-about .about-service__grid {
    grid-template-columns: 5fr 7fr;
    gap: 72px;
    align-items: start;
  }

  .page-about .section-head {
    position: sticky;
    top: 120px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__item[data-reveal].is-revealed .about-timeline__marker {
    animation: none;
  }

  .page-about .about-stat {
    transition: none;
  }

  .page-about .about-timeline__card,
  .page-about .about-service__card {
    transition: none;
  }
}
