.page-about {
  --about-gap: clamp(20px, 3vw, 40px);
  --about-sec: clamp(56px, 9vw, 112px);
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-about .breadcrumb {
  padding: clamp(14px, 2vw, 22px) 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

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

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--cyan);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  padding: clamp(20px, 4vw, 44px) 0 var(--about-sec);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 10% 0%, rgba(34, 230, 212, .10), transparent 58%),
    radial-gradient(90% 120% at 96% 8%, rgba(123, 92, 255, .13), transparent 62%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: var(--about-gap);
  align-items: end;
}

.page-about .about-hero__title {
  margin: .35em 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 68px);
  line-height: 1.08;
  letter-spacing: .01em;
  color: var(--text);
  max-width: 18em;
}

.page-about .about-hero__lead .lede {
  margin-top: 1.1em;
  max-width: 40em;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-hero__fact {
  background: rgba(12, 18, 27, .86);
  padding: 12px 14px;
}

.page-about .about-hero__fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-about .about-hero__fact dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan-soft);
}

/* ---------- Section base ---------- */
.page-about .about-sec {
  padding: var(--about-sec) 0;
}

.page-about .about-sec + .about-sec {
  border-top: 1px solid var(--line-soft);
}

.page-about .about-sec__head {
  margin-bottom: clamp(24px, 4vw, 40px);
  max-width: 46em;
}

.page-about .about-sec h2 {
  margin: .2em 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--text);
}

.page-about .about-sec h3 {
  margin: 0 0 .5em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.45;
  color: var(--text);
}

.page-about .about-sec p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}

.page-about .about-sec .lede {
  color: var(--text);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.7;
  margin-top: .8em;
}

/* ---------- Split layout ---------- */
.page-about .about-split {
  display: grid;
  gap: var(--about-gap);
}

.page-about .about-split__aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about .about-note {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
  transition: color var(--ease), border-color var(--ease);
}

.page-about .about-note:hover {
  color: var(--cyan-soft);
  border-left-color: var(--cyan);
}

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

.page-about .about-split__body .btn {
  margin-top: .4em;
}

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

.page-about .flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.page-about .flow__step {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: clamp(16px, 2.4vw, 24px);
  transition: border-color var(--ease), transform var(--ease);
}

.page-about .flow__step:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-about .flow__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-about .flow__step p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-about .flow__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 0;
  color: var(--cyan);
}

.page-about .flow__arrow svg {
  transform: rotate(90deg);
}

/* ---------- Numbers band ---------- */
.page-about .about-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-color: var(--panel);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 48px 48px;
  padding: clamp(28px, 4vw, 48px) 0;
}

.page-about .about-band__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-band__cell {
  background: rgba(5, 7, 12, .88);
  padding: clamp(16px, 2.6vw, 26px);
}

.page-about .about-band__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--cyan);
}

.page-about .about-band__cell:nth-child(3n+2) .about-band__num {
  color: var(--orange);
}

.page-about .about-band__cell:nth-child(3n+3) .about-band__num {
  color: var(--violet-soft);
}

.page-about .about-band__label {
  margin: 8px 0 6px;
  font-size: 14px;
  color: var(--text);
}

.page-about .about-band__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Audience ---------- */
.page-about .serve {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .serve__item {
  background: var(--ink);
  padding: clamp(18px, 2.6vw, 30px);
  transition: background-color var(--ease);
}

.page-about .serve__item:hover {
  background: var(--panel);
}

.page-about .serve__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange-soft);
}

.page-about .serve__item p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
}

/* ---------- Timeline ---------- */
.page-about .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 28px;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--violet), var(--cyan));
}

.page-about .timeline__item {
  position: relative;
  padding-bottom: 12px;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 18px;
  width: 10px;
  height: 10px;
  background: var(--ink);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-about .timeline__item--revamp::before {
  border-color: var(--violet-soft);
  background: rgba(123, 92, 255, .22);
}

.page-about .timeline__details {
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color var(--ease);
}

.page-about .timeline__details:hover {
  border-color: var(--line-soft);
}

.page-about .timeline__details[open] {
  border-color: var(--cyan);
}

.page-about .timeline__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-about .timeline__summary::-webkit-details-marker {
  display: none;
}

.page-about .timeline__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--muted);
}

.page-about .timeline__details[open] .timeline__summary::after {
  content: "−";
  color: var(--cyan);
}

.page-about .timeline__year {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--violet-soft);
  min-width: 6.5em;
}

.page-about .timeline__label {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-about .timeline__body {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  border-top: 1px solid var(--line);
}

.page-about .about-cta__inner {
  display: grid;
  gap: var(--about-gap);
  border: 1px solid var(--line);
  background:
    radial-gradient(90% 130% at 0% 0%, rgba(34, 230, 212, .12), transparent 60%),
    radial-gradient(90% 130% at 100% 100%, rgba(255, 106, 44, .12), transparent 60%),
    var(--panel);
  padding: clamp(22px, 4vw, 44px);
}

.page-about .about-cta__text h2 {
  margin-top: .2em;
}

.page-about .about-cta__text p {
  margin: .8em 0 0;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
}

/* ---------- Media ---------- */
.page-about .media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- Responsive ---------- */
@media (min-width: 760px) {
  .page-about .serve {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .8fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-about .about-split--reverse {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-about .about-split--reverse .about-split__body {
    order: 1;
  }

  .page-about .about-split--reverse .about-split__aside {
    order: 2;
  }

  .page-about .flow {
    flex-direction: row;
    align-items: stretch;
  }

  .page-about .flow__step {
    flex: 1 1 0;
    min-width: 0;
  }

  .page-about .flow__arrow {
    flex: 0 0 34px;
    padding: 0;
  }

  .page-about .flow__arrow svg {
    transform: none;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }

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

@media (min-width: 1180px) {
  .page-about .about-band__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .about-band__cell {
    padding: 22px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .flow__step,
  .page-about .serve__item,
  .page-about .about-note,
  .page-about .timeline__details {
    transition: none;
  }

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