.page-about {
  --about-panel: rgba(27, 39, 72, .55);
  --about-line-soft: rgba(91, 103, 128, .26);
  display: block;
  background: var(--bg);
  color: var(--fg);
  overflow-x: clip;
}

.page-about .section {
  padding: clamp(52px, 8vw, 96px) 0;
}

.page-about .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--fg-muted);
}

.page-about .breadcrumbs a {
  color: var(--fg-muted);
  text-decoration: none;
}

.page-about .breadcrumbs a:hover {
  color: var(--accent);
}

.page-about .breadcrumbs span[aria-current] {
  color: var(--fg);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(84px, 15vw, 132px) 0 clamp(34px, 6vw, 62px);
  border-bottom: 1px solid var(--border-soft);
  background:
    radial-gradient(120% 100% at 92% 0%, rgba(34, 230, 184, .13), transparent 58%),
    radial-gradient(90% 80% at -10% 110%, rgba(255, 106, 43, .10), transparent 62%),
    var(--bg);
}

.page-about .about-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .15;
  filter: saturate(.55) contrast(1.05);
}

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

.page-about .about-hero .kicker {
  margin: clamp(20px, 4vw, 34px) 0 0;
  color: var(--accent);
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 8.4vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--timer-white);
  max-width: 17ch;
  text-wrap: balance;
}

.page-about .about-hero__lede {
  margin: clamp(18px, 3vw, 24px) 0 0;
  max-width: 60ch;
  color: var(--fg);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-about .about-hero__stats {
  list-style: none;
  margin: clamp(28px, 5vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .about-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(27, 39, 72, .78), rgba(14, 23, 48, .48));
}

.page-about .about-hero__stats .mono-num {
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 4.4vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.page-about .about-hero__stats li > span:last-child {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--fg-muted);
}

.page-about .about-hero__actions {
  margin-top: clamp(24px, 4vw, 34px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- section head ---------- */
.page-about .about-head {
  max-width: 66ch;
  margin-bottom: clamp(26px, 5vw, 48px);
}

.page-about .about-head .chapter__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 6.4vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(34, 230, 184, .55);
  margin-bottom: 12px;
}

.page-about .about-head .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.6vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--timer-white);
}

.page-about .about-head__lede {
  margin: 14px 0 0;
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- journey ---------- */
.page-about .about-journey__layout {
  display: grid;
  gap: 22px;
}

.page-about .about-years {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-about .about-years .chip {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-about .about-stages {
  list-style: none;
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  display: grid;
  gap: 16px;
}

.page-about .about-stages::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(34, 230, 184, .06));
}

.page-about .about-stage {
  position: relative;
  padding: 18px 20px 20px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(27, 39, 72, .62), rgba(7, 12, 24, .5));
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-about .about-stage:hover {
  border-color: rgba(34, 230, 184, .5);
  transform: translateY(-2px);
}

.page-about .about-stage::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(34, 230, 184, .12);
}

.page-about .about-stage__year {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.page-about .about-stage__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--timer-white);
}

.page-about .about-stage__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-muted);
}

/* ---------- coverage ---------- */
.page-about .about-coverage {
  background: linear-gradient(180deg, rgba(14, 23, 48, .55), transparent 70%);
}

.page-about .about-coverage__layout {
  display: grid;
  gap: 24px;
}

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

.page-about .about-tier {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 20px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  background: var(--about-panel);
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}

.page-about .about-tier:hover {
  border-color: rgba(34, 230, 184, .55);
  background: linear-gradient(150deg, rgba(27, 39, 72, .8), rgba(11, 58, 56, .45));
  transform: translateY(-2px);
}

.page-about .about-tier__stat {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 74px;
}

.page-about .about-tier__stat .mono-num {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.page-about .about-tier__unit {
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--fg-muted);
}

.page-about .about-tier h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  color: var(--timer-white);
}

.page-about .about-tier p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-tier > div > p {
  margin: 0;
}

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

.page-about .about-coverage__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-soft);
  background: var(--ink-900);
}

.page-about .about-coverage__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fg-muted);
}

.page-about .about-layers {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-layer {
  padding-top: 14px;
  border-top: 2px solid rgba(34, 230, 184, .35);
}

.page-about .about-layer:nth-child(2) {
  border-top-color: rgba(255, 106, 43, .45);
}

.page-about .about-layer:nth-child(3) {
  border-top-color: rgba(147, 160, 184, .45);
}

.page-about .about-layer h3 {
  margin: 0 0 6px;
  font-size: .95rem;
  letter-spacing: .04em;
  color: var(--timer-white);
}

.page-about .about-layer p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-muted);
}

/* ---------- team ---------- */
.page-about .about-team__layout {
  display: grid;
  gap: 24px;
}

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

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-soft);
  background: var(--ink-900);
}

.page-about .about-team__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fg-muted);
}

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

.page-about .about-group {
  position: relative;
  padding: 16px 18px 16px 22px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  background: linear-gradient(120deg, rgba(27, 39, 72, .62), rgba(14, 23, 48, .32));
}

.page-about .about-group::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.page-about .about-group:nth-child(2)::before {
  background: var(--accent-2);
}

.page-about .about-group:nth-child(3)::before {
  background: var(--grey-400);
}

.page-about .about-group h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--timer-white);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-about .about-group h3 .mono-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.page-about .about-group p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-cadence {
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(18px, 3vw, 26px);
  border: 1px dashed rgba(34, 230, 184, .35);
  border-radius: var(--r-lg);
  background: rgba(11, 58, 56, .3);
}

.page-about .about-cadence h3 {
  margin: 0 0 14px;
  font-size: .85rem;
  letter-spacing: .14em;
  color: var(--accent);
}

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

.page-about .about-cadence li {
  padding-left: 14px;
  border-left: 2px solid rgba(34, 230, 184, .4);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg);
}

/* ---------- eco ---------- */
.page-about .about-eco__grid {
  display: grid;
  gap: 14px;
}

.page-about .about-partner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(170deg, rgba(27, 39, 72, .58), rgba(7, 12, 24, .42));
}

.page-about .about-partner > .mono-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1;
  color: var(--timer-white);
}

.page-about .about-partner > .mono-num small {
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 400;
  color: var(--fg-muted);
  margin-left: 2px;
}

.page-about .about-partner h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--timer-white);
}

.page-about .about-partner p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-recognition {
  margin-top: 16px;
  padding: 20px 22px;
  border: 1px solid rgba(255, 106, 43, .28);
  border-radius: var(--r-lg);
  background: linear-gradient(100deg, rgba(255, 106, 43, .14), rgba(7, 12, 24, .25) 60%);
  display: grid;
  gap: 14px;
}

.page-about .about-recognition h3 {
  margin: 0;
  font-size: .95rem;
  letter-spacing: .04em;
  color: var(--timer-white);
}

.page-about .about-recognition ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-recognition li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg);
}

.page-about .about-recognition li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
}

/* ---------- reach ---------- */
.page-about .about-reach {
  border-top: 1px solid var(--border-soft);
  background: linear-gradient(180deg, transparent, rgba(14, 23, 48, .9));
}

.page-about .about-reach__inner {
  display: grid;
  gap: 26px;
}

.page-about .about-reach .chapter__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 6.4vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(34, 230, 184, .55);
  margin-bottom: 12px;
}

.page-about .about-reach .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.6vw, 2.35rem);
  line-height: 1.18;
  color: var(--timer-white);
}

.page-about .about-reach__text > p {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-muted);
}

.page-about .about-reach__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-reach__facts li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg);
}

.page-about .about-reach__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.page-about .about-reach__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-contact {
  padding: 20px 22px 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.page-about .about-contact__title {
  margin: 0 0 16px;
  font-size: .85rem;
  letter-spacing: .14em;
  color: var(--accent);
}

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

.page-about .about-contact__list li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-soft);
}

.page-about .about-contact__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-contact__label {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--fg-muted);
}

.page-about .about-contact__value {
  font-size: 15px;
  line-height: 1.5;
  color: var(--timer-white);
  word-break: break-word;
}

.page-about .about-contact__value.mono-num {
  font-family: var(--font-mono);
}

.page-about .about-contact__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-contact__cta {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}

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

  .page-about .about-recognition {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-about .about-layers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-eco__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-cadence ul {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-reach__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-journey__layout {
    grid-template-columns: minmax(150px, 180px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-about .about-years {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    padding: 4px 0 4px 0;
    gap: 6px;
  }

  .page-about .about-years .chip {
    width: 100%;
    text-align: left;
  }

  .page-about .about-coverage__layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-about .about-team__layout {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-about .about-reach__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-about .about-hero__lede {
    font-size: 17px;
  }
}

@media (min-width: 1080px) {
  .page-about .about-stages {
    gap: 18px;
  }

  .page-about .about-stage {
    padding: 20px 24px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-stage,
  .page-about .about-tier {
    transition: none;
  }

  .page-about .about-stage:hover,
  .page-about .about-tier:hover {
    transform: none;
  }
}