.page-about {
  --about-wide: 1320px;
  --about-narrow: 720px;
  --about-mile-line: 2px;
  display: block;
  background: var(--night);
  color: var(--ink);
}

.page-about .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(255, 58, 69, 0.16), transparent 62%),
    radial-gradient(760px 380px at 92% 8%, rgba(31, 231, 182, 0.12), transparent 66%),
    linear-gradient(180deg, #070C17 0%, var(--night) 100%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 48, 76, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 48, 76, 0.5) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 78%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-about .breadcrumbs__link:hover,
.page-about .breadcrumbs__link:focus-visible {
  color: var(--teal);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--amber);
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(38px, 8.4vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .about-hero__title-accent {
  color: var(--red);
  display: inline-block;
  position: relative;
}

.page-about .about-hero__title-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.08em;
  height: 3px;
  background: linear-gradient(90deg, var(--red), rgba(31, 231, 182, 0.85), transparent);
}

.page-about .about-hero__lead {
  max-width: 62ch;
  margin: clamp(18px, 3vw, 28px) 0 0;
  color: var(--ink);
  opacity: 0.92;
}

.page-about .about-hero__pulse {
  position: relative;
  height: 72px;
  margin: clamp(22px, 4vw, 40px) 0 0;
  border-top: 1px dashed rgba(34, 48, 76, 0.9);
}

.page-about .about-hero__pulse svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.page-about .about-hero__pulse-line {
  fill: none;
  stroke: var(--red);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px rgba(255, 58, 69, 0.5));
  animation: about-pulse-breathe 4.6s ease-in-out infinite;
}

@keyframes about-pulse-breathe {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-stat {
  padding: 16px 18px;
  background: rgba(14, 22, 38, 0.92);
}

.page-about .about-stat__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .about-stat__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-about .about-stat__unit {
  margin-left: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

/* ---------- section shells ---------- */
.page-about .about-section {
  padding: clamp(44px, 7vw, 88px) 0;
  border-top: 1px solid rgba(34, 48, 76, 0.6);
}

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

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

.page-about .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
}

.page-about .section-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-about .section-head__note {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--teal);
  white-space: nowrap;
}

.page-about .about-prose p {
  margin: 0 0 1.1em;
  color: var(--ink);
  opacity: 0.9;
}

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

.page-about .about-prose .num {
  color: var(--amber);
  font-weight: 700;
}

/* ---------- audience ---------- */
.page-about .about-audience {
  gap: clamp(14px, 2vw, 22px);
}

.page-about .about-audience__card {
  padding: clamp(20px, 3vw, 28px);
  background: var(--panel);
  border-color: var(--line);
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-about .about-audience__card:hover {
  border-color: rgba(31, 231, 182, 0.55);
  transform: translateY(-3px);
}

.page-about .about-audience__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 23px);
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-audience__text {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-audience__text .num {
  color: var(--red);
  font-weight: 700;
}

.page-about .about-audience__foot {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--teal);
}

/* ---------- full-bleed break ---------- */
.page-about .about-break {
  position: relative;
  margin: 0;
  padding: 0;
  background: #04070D;
}

.page-about .about-break img {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  aspect-ratio: 1400 / 900;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.04);
}

.page-about .about-break::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 62%;
  background: linear-gradient(180deg, transparent, rgba(6, 10, 18, 0.92));
  pointer-events: none;
}

.page-about .about-break__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0 clamp(16px, 5vw, 64px) clamp(18px, 3vw, 30px);
  font-size: 14px;
  color: var(--ink);
  opacity: 0.92;
}

.page-about .about-break__caption .mono {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 9px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--night);
  background: var(--amber);
  border-radius: var(--radius);
}

/* ---------- timeline ---------- */
.page-about .about-timeline__lead {
  margin: 0 0 clamp(22px, 4vw, 36px);
}

.page-about .about-timeline {
  position: relative;
  margin: 0 0 clamp(28px, 5vw, 48px);
  padding: 0 0 0 26px;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: var(--about-mile-line);
  background: linear-gradient(180deg, var(--red), var(--amber) 34%, var(--teal) 78%, var(--line));
  border-radius: 2px;
}

.page-about .mile-node {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-bottom: clamp(16px, 2.6vw, 24px);
}

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

.page-about .mile-node::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 12px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--red);
  box-shadow: 0 0 0 3px rgba(255, 58, 69, 0.14);
}

.page-about .mile-node--current::before {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(31, 231, 182, 0.16);
}

.page-about .mile-node__index {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-about .mile-node__num {
  font-size: 22px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.04em;
}

.page-about .mile-node--current .mile-node__num {
  color: var(--teal);
}

.page-about .mile-node__year {
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-about .mile-node__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  text-align: left;
  background: var(--glass-fill);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.page-about .mile-node__trigger:hover,
.page-about .mile-node__trigger:focus-visible {
  border-color: rgba(255, 58, 69, 0.6);
}

.page-about .mile-node__head {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-about .mile-node__stage {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.25;
}

.page-about .mile-node__hint {
  font-size: 13.5px;
  color: var(--muted);
}

.page-about .expand[data-open] .mile-node__trigger {
  background: var(--panel);
  border-color: rgba(31, 231, 182, 0.55);
}

.page-about .mile-node__list {
  margin: 14px 0 0;
  padding: 0 0 0 18px;
  list-style: none;
}

.page-about .mile-node__list li {
  position: relative;
  margin-bottom: 9px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .mile-node__list li::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--teal);
}

.page-about .mile-node__list li:last-child {
  margin-bottom: 0;
}

.page-about .mile-node__links {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.page-about .mile-node__links a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 231, 182, 0.4);
}

.page-about .mile-node__links a:hover,
.page-about .mile-node__links a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- figures ---------- */
.page-about .about-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.page-about .about-figure--tall {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.page-about .about-figure .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-about .about-figure img,
.page-about .about-team__figure img,
.page-about .about-break img {
  max-width: 100%;
  height: auto;
}

.page-about .about-figure--tall img {
  aspect-ratio: 1000 / 1400;
  object-fit: cover;
  width: 100%;
}

.page-about .about-figure__caption {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--teal);
  padding-left: 12px;
}

/* ---------- team ---------- */
.page-about .about-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

.page-about .about-team__text p {
  margin: 0 0 1.05em;
  color: var(--muted);
  line-height: 1.78;
}

.page-about .about-team__text .lead {
  color: var(--ink);
  opacity: 0.95;
}

.page-about .about-team__text .num {
  color: var(--amber);
  font-weight: 700;
}

.page-about .about-team__meters {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-about .about-meter {
  display: grid;
  grid-template-columns: 86px 1fr auto;
  align-items: center;
  gap: 12px;
}

.page-about .about-meter__label {
  font-size: 13px;
  color: var(--muted);
}

.page-about .about-meter__track {
  position: relative;
  display: block;
  height: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.page-about .about-meter__fill {
  display: block;
  width: var(--w, 40%);
  height: 100%;
  border-radius: 999px;
}

.page-about .about-meter__fill--red { background: linear-gradient(90deg, rgba(255, 58, 69, 0.55), var(--red)); }
.page-about .about-meter__fill--teal { background: linear-gradient(90deg, rgba(31, 231, 182, 0.5), var(--teal)); }
.page-about .about-meter__fill--amber { background: linear-gradient(90deg, rgba(255, 176, 32, 0.5), var(--amber)); }

.page-about .about-meter__value {
  font-size: 13px;
  color: var(--ink);
  white-space: nowrap;
}

.page-about .about-team__figure {
  margin: 0;
}

.page-about .about-team__figure .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 1200 / 800;
  object-fit: cover;
}

/* ---------- checks ---------- */
.page-about .about-checks__expand {
  margin-top: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-about .about-checks__expand .expand__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 19px);
  text-align: left;
  cursor: pointer;
}

.page-about .about-checks__expand .expand__trigger:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

.page-about .about-checks__expand .expand__inner {
  padding: 0 18px 18px;
}

.page-about .about-checks__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .about-checks__list li {
  padding-left: 16px;
  position: relative;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-checks__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.page-about .about-checks__list strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- next ---------- */
.page-about .about-next {
  gap: clamp(14px, 2vw, 22px);
}

.page-about .about-next__item {
  padding: clamp(20px, 3vw, 26px);
  background: linear-gradient(160deg, rgba(20, 32, 58, 0.85), rgba(14, 22, 38, 0.95));
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  border-radius: var(--radius);
}

.page-about .about-next__item:nth-child(2) { border-top-color: var(--teal); }
.page-about .about-next__item:nth-child(3) { border-top-color: var(--amber); }

.page-about .about-next__num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-about .about-next__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-next__text {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- cta ---------- */
.page-about .about-cta {
  margin-top: clamp(28px, 5vw, 46px);
  padding: clamp(22px, 4vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  border-radius: var(--radius);
}

.page-about .about-cta__text {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
}

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

.page-about .about-cta__meta {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- reveal ---------- */
.page-about .reveal {
  opacity: 1;
}

.page-about.has-js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.page-about.has-js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-timeline {
    padding-left: 34px;
  }

  .page-about .about-timeline::before {
    left: 7px;
  }

  .page-about .mile-node::before {
    left: -34px;
  }

  .page-about .mile-node {
    grid-template-columns: 72px 1fr;
    gap: 18px;
  }

  .page-about .mile-node__index {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding-top: 14px;
  }
}

@media (min-width: 900px) {
  .page-about .about-team {
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-about .about-team__figure {
    position: sticky;
    top: calc(var(--strip-h) + 24px);
  }

  .page-about .mile-node {
    grid-template-columns: 96px 1fr;
  }

  .page-about .about-timeline {
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero__pulse-line {
    animation: none;
    opacity: 0.85;
  }

  .page-about.has-js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

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

  .page-about .about-audience__card:hover {
    transform: none;
  }
}

.page-about {
  --w: 1rem;
}