.page-about {
  --ab-border: rgba(255, 255, 255, 0.12);
  --ab-muted: #A8B2BF;
  --ab-dark-on-light: #06203A;
  background: var(--c-deep);
  color: var(--c-white);
  overflow-x: hidden;
}

.page-about .container {
  width: min(100%, var(--container-w));
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.page-about .ab-section {
  padding-block: var(--section-space);
  position: relative;
}

.page-about .section__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--c-green);
  text-transform: uppercase;
}

.page-about .section__head {
  max-width: 760px;
  margin-bottom: 32px;
}

.page-about .section__head h2 {
  margin: 0;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-about .section__desc {
  margin: 14px 0 0;
  color: var(--c-mid);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--c-mid);
  font-size: 14px;
  margin-bottom: 24px;
}

.page-about .breadcrumb a {
  color: var(--c-mid);
  text-decoration: none;
  transition: color var(--transition);
}

.page-about .breadcrumb a:hover {
  color: var(--c-white);
}

.page-about .img-frame {
  border-radius: var(--radius);
  border: 1px solid var(--ab-border);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
  margin: 0;
}

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

.page-about .about-hero {
  padding-block: clamp(48px, 7vw, 96px);
  background:
    radial-gradient(1200px 480px at 85% -10%, rgba(10, 92, 254, 0.25), transparent 60%),
    linear-gradient(135deg, rgba(0, 201, 255, 0.08), rgba(146, 254, 157, 0.04)),
    var(--c-deep);
}

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

.page-about .about-hero__content {
  max-width: 640px;
}

.page-about .about-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-about .about-hero__lead {
  margin: 0 0 24px;
  color: var(--c-gray);
  font-size: 16px;
  line-height: 1.8;
}

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

.page-about .about-hero .btn--ghost {
  color: var(--c-white);
  border-color: rgba(255, 255, 255, 0.6);
  background: transparent;
}

.page-about .about-hero .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.page-about .about-hero__visual {
  border-radius: calc(var(--radius) + 4px);
}

.page-about .about-position {
  background: linear-gradient(180deg, transparent, rgba(0, 201, 255, 0.06));
}

.page-about .about-position__body {
  display: grid;
  gap: 18px;
  max-width: 880px;
}

.page-about .about-position__body p {
  margin: 0;
  color: var(--c-gray);
  font-size: 16px;
  line-height: 1.9;
}

.page-about .about-position__lead {
  color: var(--c-paper) !important;
  font-size: 18px !important;
  font-weight: 500;
}

.page-about .about-position__note {
  margin-top: 18px;
  padding: 16px 20px;
  border-left: 3px solid var(--c-orange);
  background: rgba(255, 122, 0, 0.08);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-about .about-position__note p {
  margin: 0;
  color: var(--c-gray);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-stats {
  background: var(--gradient-sea);
  color: var(--ab-dark-on-light);
}

.page-about .about-stats .section__label {
  color: #07405A;
}

.page-about .about-stats h2 {
  color: var(--ab-dark-on-light);
}

.page-about .about-stats__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-about .about-stats__desc {
  margin: 14px 0 0;
  color: #1E4A58;
  font-size: 16px;
  line-height: 1.8;
  max-width: 520px;
}

.page-about .stats-ticker {
  margin-top: 26px;
  border-top: 2px solid rgba(6, 32, 58, 0.25);
}

.page-about .stats-ticker__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid rgba(6, 32, 58, 0.18);
}

.page-about .stats-ticker__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--ab-dark-on-light);
  font-variant-numeric: tabular-nums;
}

.page-about .stats-ticker__label {
  font-size: 14px;
  color: #335250;
  letter-spacing: 0.02em;
}

.page-about .about-stats__visual {
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 24px 48px rgba(6, 32, 58, 0.2);
}

.page-about .about-milestone {
  background: var(--c-deep);
}

.page-about .milestone-list {
  position: relative;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .milestone-list::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-blue), var(--c-green), transparent);
}

.page-about .milestone-item {
  position: relative;
  padding-left: 56px;
  padding-bottom: clamp(32px, 5vw, 56px);
}

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

.page-about .milestone-item::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 16px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--c-deep);
  border: 3px solid var(--c-blue);
  box-shadow: 0 0 0 4px rgba(10, 92, 254, 0.15);
  z-index: 1;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-about .milestone-item:hover::before {
  border-color: var(--c-orange);
  box-shadow: 0 0 0 6px rgba(255, 122, 0, 0.18);
}

.page-about .milestone-item__year {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-orange);
  letter-spacing: -0.02em;
}

.page-about .milestone-item__card {
  margin-top: 12px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--ab-border);
  border-radius: var(--radius);
  transition: transform var(--transition), border-color var(--transition);
}

.page-about .milestone-item__card:hover {
  transform: translateY(-4px);
  border-color: var(--c-blue-light);
}

.page-about .milestone-item__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 20px;
  line-height: 1.4;
}

.page-about .milestone-item__card p {
  margin: 0;
  color: var(--c-gray);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-team {
  background: linear-gradient(180deg, rgba(0, 201, 255, 0.05), rgba(146, 254, 157, 0.03)), var(--c-deep-2);
}

.page-about .team-intro {
  display: grid;
  gap: 24px;
  align-items: center;
  margin-top: 28px;
}

.page-about .team-intro__copy p {
  margin: 0 0 14px;
  color: var(--c-gray);
  font-size: 16px;
  line-height: 1.85;
}

.page-about .team-intro__copy p:last-child {
  margin-bottom: 0;
}

.page-about .team-intro__visual {
  border-color: rgba(255, 255, 255, 0.16);
}

.page-about .process-tabs {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--ab-border);
}

.page-about .process-tabs > input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
}

.page-about .process-tabs__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .process-tabs__labels label {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--ab-border);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-mid);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.02);
  user-select: none;
  transition: var(--transition);
}

.page-about .process-tabs__labels label:hover {
  border-color: var(--c-blue);
  color: var(--c-white);
}

.page-about #ab-tab-1:checked ~ .process-tabs__labels label[for="ab-tab-1"],
.page-about #ab-tab-2:checked ~ .process-tabs__labels label[for="ab-tab-2"],
.page-about #ab-tab-3:checked ~ .process-tabs__labels label[for="ab-tab-3"],
.page-about #ab-tab-4:checked ~ .process-tabs__labels label[for="ab-tab-4"] {
  background: var(--c-blue);
  border-color: var(--c-blue);
  color: #fff;
  box-shadow: 0 6px 18px rgba(10, 92, 254, 0.35);
}

.page-about .process-tabs__panel {
  display: none;
  padding: clamp(20px, 3vw, 28px);
  margin-top: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--ab-border);
  border-left: 4px solid var(--c-green);
  border-radius: var(--radius-sm);
  animation: abFade 0.25s ease-out;
}

.page-about .process-tabs__panel h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.3;
}

.page-about .process-tabs__panel p {
  margin: 0;
  color: var(--c-gray);
  font-size: 15px;
  line-height: 1.8;
}

.page-about #ab-tab-1:checked ~ .process-tabs__panel--1,
.page-about #ab-tab-2:checked ~ .process-tabs__panel--2,
.page-about #ab-tab-3:checked ~ .process-tabs__panel--3,
.page-about #ab-tab-4:checked ~ .process-tabs__panel--4 {
  display: block;
}

.page-about .team-roles {
  display: grid;
  gap: 20px;
  margin-top: 40px;
  align-items: start;
}

.page-about .team-role {
  position: relative;
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--ab-border);
  border-radius: var(--radius);
  border-top-width: 4px;
}

.page-about .team-role--editor {
  border-top-color: var(--c-blue);
}

.page-about .team-role--algo {
  border-top-color: var(--c-orange);
}

.page-about .team-role--sports {
  border-top-color: var(--c-green);
}

.page-about .team-role__index {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-blue-light);
}

.page-about .team-role--algo .team-role__index {
  color: var(--c-orange);
}

.page-about .team-role--sports .team-role__index {
  color: var(--c-green);
}

.page-about .team-role h3 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.4;
}

.page-about .team-role p {
  margin: 0;
  color: var(--c-gray);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-trust {
  background: var(--gradient-sea);
  color: var(--ab-dark-on-light);
}

.page-about .about-trust .section__label {
  color: #07405A;
}

.page-about .about-trust h2 {
  color: var(--ab-dark-on-light);
}

.page-about .about-trust__inner {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-about .about-trust__statement {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.4;
  font-weight: 700;
}

.page-about .about-trust__contact {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(6, 32, 58, 0.2);
  font-size: 14px;
  line-height: 1.8;
  color: #1E4A58;
}

.page-about .about-trust__contact p {
  margin: 0 0 10px;
}

.page-about .about-trust__contact p:last-child {
  margin-bottom: 0;
}

.page-about .about-trust__contact a {
  color: var(--ab-dark-on-light);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.page-about .about-trust .btn--ghost {
  color: var(--ab-dark-on-light);
  border-color: var(--ab-dark-on-light);
  background: transparent;
}

.page-about .about-trust .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.2);
}

.page-about .about-trust .btn--orange {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: #fff;
}

@keyframes abRise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes abFade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-about .about-hero__content {
  animation: abRise 0.6s ease-out both;
}

.page-about .about-hero__visual {
  animation: abRise 0.8s 0.12s ease-out both;
}

@media (min-width: 768px) {
  .page-about .about-position__body {
    gap: 22px;
  }

  .page-about .team-intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
    gap: 40px;
  }

  .page-about .process-tabs__labels {
    gap: 12px;
  }

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

  .page-about .team-role:nth-child(2) {
    margin-top: 32px;
  }

  .page-about .team-role:nth-child(3) {
    margin-top: 64px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
  }

  .page-about .about-stats__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
  }

  .page-about .about-trust__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
    gap: 48px;
  }

  .page-about .about-trust__actions {
    justify-content: flex-end;
  }

  .page-about .milestone-list::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-about .milestone-item {
    width: 50%;
    padding: 0 40px 0 0;
    margin-left: 0;
  }

  .page-about .milestone-item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 0 40px;
  }

  .page-about .milestone-item::before {
    left: auto;
    right: -8px;
  }

  .page-about .milestone-item:nth-child(even)::before {
    right: auto;
    left: -8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}