.page-about {
  --about-corner-cut: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  background: var(--color-bg);
  color: var(--color-text);
}

.page-about__hero {
  position: relative;
  padding: 28px 0 40px;
  overflow: hidden;
}

.page-about__hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 75%;
  height: 62%;
  background: linear-gradient(135deg, transparent 30%, rgba(0, 229, 255, 0.07) 70%, rgba(200, 255, 0, 0.05));
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about__hero-copy {
  position: relative;
  z-index: 1;
}

.page-about__hero-kicker {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-lime);
  margin: 20px 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-about__hero-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--gradient-speed);
  flex-shrink: 0;
}

.page-about__hero-title {
  margin: 10px 0 16px;
  font-size: clamp(38px, 7.5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: var(--color-white);
  transform: skewX(-2deg);
}

.page-about__hero-title-mark {
  display: block;
  font-size: 0.62em;
  color: var(--color-lime);
  letter-spacing: 0.04em;
  margin-top: 6px;
}

.page-about__hero-desc {
  max-width: 58ch;
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.65;
}

.page-about__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 24px;
}

.page-about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.page-about__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about__hero-visual {
  position: relative;
  z-index: 0;
}

.page-about__hero-visual-frame {
  position: relative;
  background: var(--color-panel);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  overflow: hidden;
}

.page-about__hero-visual-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 45%, rgba(200, 255, 0, 0.12));
  pointer-events: none;
}

.page-about__hero-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about__hero-badge {
  position: absolute;
  bottom: 16px;
  left: 12px;
  background: rgba(10, 14, 19, 0.85);
  border: 1px solid rgba(200, 255, 0, 0.45);
  color: var(--color-lime);
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow-md);
}

.page-about__section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-about__section-side {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-about__section-index {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 42px;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: rgba(200, 255, 0, 0.35);
  transform: skewX(-6deg);
}

.page-about__section-title {
  font-size: 30px;
  line-height: 1.1;
  font-weight: 900;
  margin: 0;
  color: var(--color-white);
  transform: skewX(-2deg);
}

.page-about__section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  margin-top: 10px;
  background: var(--gradient-speed);
}

.page-about__section-note {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-about__side-text {
  color: var(--color-dim);
  font-size: 14px;
  line-height: 1.6;
  max-width: 42ch;
  width: 100%;
}

.page-about__section-body {
  min-width: 0;
}

.page-about__lead {
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--color-white);
  max-width: 26ch;
  margin: 0 0 20px;
  position: relative;
  padding-left: 16px;
}

.page-about__lead::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 4px;
  background: var(--gradient-accent);
}

.page-about__mission-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  color: var(--color-text);
  line-height: 1.7;
}

.page-about__mission-cols strong {
  color: var(--color-white);
  font-weight: 700;
}

.page-about__mission-panel {
  margin-top: 28px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.page-about__mission-panel .status-dot {
  margin-top: 6px;
  flex-shrink: 0;
}

.page-about__mission-panel .panel__text {
  margin: 0;
}

.page-about__timeline-section {
  padding-top: 48px;
}

.page-about__timeline-section .page-about__side-text {
  margin-top: 12px;
}

.page-about__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-lime), var(--color-cyan), rgba(0, 229, 255, 0));
}

.page-about__timeline-item {
  position: relative;
  padding-left: 32px;
  padding-bottom: 28px;
}

.page-about__timeline-item:last-child {
  padding-bottom: 0;
}

.page-about__timeline-dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 14px;
  height: 14px;
  border: 3px solid var(--color-bg);
  background: var(--color-lime);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--color-lime), 0 0 12px rgba(200, 255, 0, 0.6);
}

.page-about__timeline-dot--current {
  background: var(--color-cyan);
  box-shadow: 0 0 0 2px var(--color-cyan), 0 0 12px rgba(0, 229, 255, 0.6);
}

.page-about__timeline-card {
  background: var(--color-panel);
  padding: 16px 18px;
  border-radius: 0 12px 12px 0;
  border-left: 3px solid var(--color-lime);
}

.page-about__timeline-card h3 {
  font-size: 18px;
  line-height: 1.3;
  margin: 8px 0 6px;
  color: var(--color-white);
  font-weight: 800;
}

.page-about__timeline-card p {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.6;
}

.page-about__data-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.page-about__data-copy h3 {
  font-size: 24px;
  line-height: 1.25;
  color: var(--color-white);
  margin: 0 0 12px;
}

.page-about__data-copy p {
  color: var(--color-text);
  line-height: 1.7;
  margin: 0;
}

.page-about__data-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-about__data-chart {
  background: var(--color-navy);
  border: 1px solid rgba(0, 229, 255, 0.18);
  padding: 12px;
  clip-path: var(--clip-corner);
}

.page-about__chart-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about__data-panel {
  margin-top: 40px;
}

.page-about__data-panel > h3 {
  font-size: 22px;
  line-height: 1.3;
  color: var(--color-white);
  margin: 0 0 16px;
}

.page-about .tabs__list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 8px;
}

.page-about .tabs__btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-text);
  padding: 8px 16px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  clip-path: var(--clip-btn);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-about .tabs__btn[aria-selected="true"] {
  background: var(--color-lime);
  border-color: var(--color-lime);
  color: #0a0e13;
  font-weight: 700;
}

.page-about .tabs__btn:hover,
.page-about .tabs__btn:focus-visible {
  border-color: var(--color-cyan);
  color: var(--color-white);
}

.page-about .tabs__btn[aria-selected="true"]:hover {
  color: #0a0e13;
}

.page-about .tabs__panel {
  padding-top: 20px;
}

.page-about__tab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  color: var(--color-text);
  line-height: 1.7;
}

.page-about__tab-grid p {
  margin: 0;
}

.page-about__tab-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about__tab-list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text);
}

.page-about__tab-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--color-lime);
  transform: rotate(45deg);
}

.page-about__team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-about__team-stats h3 {
  font-size: 24px;
  line-height: 1.3;
  color: var(--color-white);
  margin: 0 0 10px;
}

.page-about__team-stats > p {
  color: var(--color-text);
  line-height: 1.7;
  margin: 0 0 20px;
  max-width: 40ch;
}

.page-about__team-stat-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.page-about__team-stat-list .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about__team-img {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 24px;
  object-fit: cover;
  clip-path: var(--clip-panel);
}

.page-about__credentials {
  background: var(--color-panel);
  padding: 24px;
  clip-path: var(--clip-corner);
}

.page-about__credentials h3 {
  font-size: 22px;
  line-height: 1.3;
  color: var(--color-white);
  margin: 0 0 20px;
}

.page-about__credential-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about__credential-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-about__credential-ico {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: rgba(200, 255, 0, 0.09);
  border: 1px solid rgba(200, 255, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-lime);
  flex-shrink: 0;
}

.page-about__credential-ico--cyan {
  background: rgba(0, 229, 255, 0.09);
  border-color: rgba(0, 229, 255, 0.4);
  color: var(--color-cyan);
}

.page-about__credential-item strong {
  display: block;
  color: var(--color-white);
  font-size: 17px;
  line-height: 1.3;
}

.page-about__credential-item p {
  margin: 4px 0 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.6;
}

.page-about__trust {
  padding-top: 32px;
}

.page-about__trust-inner {
  background: var(--color-navy);
  border-top: 2px solid var(--color-lime);
  padding: 28px;
  clip-path: var(--clip-corner);
  display: grid;
  gap: 20px;
}

.page-about__trust h2 {
  font-size: 28px;
  line-height: 1.2;
  color: var(--color-white);
  margin: 0 0 8px;
  transform: skewX(-2deg);
}

.page-about__trust p {
  color: var(--color-text);
  line-height: 1.7;
  margin: 0;
  max-width: 60ch;
}

.page-about__trust-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

@media (min-width: 768px) {
  .page-about__hero {
    padding: 44px 0 52px;
  }

  .page-about__hero-title {
    font-size: 60px;
  }

  .page-about__stats {
    gap: 20px;
  }

  .page-about__mission-cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-about__timeline-item:nth-child(even) .page-about__timeline-card {
    margin-left: 24px;
  }

  .page-about__data-overview {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 28px;
  }

  .page-about__tab-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-about__team-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about__trust-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: center;
    padding: 36px;
  }
}

@media (min-width: 960px) {
  .page-about__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: 48px;
  }

  .page-about__section-grid {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 40px;
  }

  .page-about__section-side {
    display: block;
  }

  .page-about__section-index {
    font-size: 64px;
    margin-bottom: 20px;
  }

  .page-about__section-note {
    margin-top: 12px;
  }

  .page-about__timeline::before {
    left: 10px;
  }

  .page-about__timeline-item {
    padding-left: 44px;
  }

  .page-about__timeline-dot {
    width: 18px;
    height: 18px;
    top: 6px;
  }

  .page-about__timeline-card {
    padding: 18px 22px;
    transition: transform 0.2s ease, border-color 0.2s ease;
  }

  .page-about__timeline-card:hover {
    transform: translateX(4px);
    border-left-color: var(--color-cyan);
  }

  .page-about__team-stat-list {
    gap: 16px;
  }

  .page-about__hero-img {
    transition: transform 0.3s ease;
  }

  .page-about__hero-visual-frame:hover .page-about__hero-img {
    transform: scale(1.02);
  }
}