.page-about {
  background: var(--base);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .about-shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 20px;
}

.page-about .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 18%, rgba(0, 229, 199, 0.14), transparent 58%),
    radial-gradient(circle at 8% 92%, rgba(255, 122, 61, 0.10), transparent 52%),
    var(--base);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(201, 214, 226, 0.07) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(201, 214, 226, 0.07) 0 1px, transparent 1px 48px);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 85%);
}

.page-about .about-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-about .about-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 52px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-hero__lede {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: 16px;
  color: rgba(245, 247, 250, 0.82);
}

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

.page-about .about-hero__visual {
  order: -1;
  display: flex;
  justify-content: center;
}

.page-about .about-orbit {
  width: min(320px, 78vw);
  height: auto;
}

.page-about .orbit-ring {
  fill: none;
  stroke-width: 1;
}
.page-about .orbit-ring--outer { stroke: rgba(201, 214, 226, 0.18); }
.page-about .orbit-ring--mid { stroke: rgba(201, 214, 226, 0.10); }

.page-about .orbit-line {
  stroke: rgba(201, 214, 226, 0.22);
  stroke-width: 1;
}

.page-about .orbit-node {
  fill: var(--signal);
}
.page-about .orbit-node--core {
  fill: var(--diff);
  stroke: rgba(255, 122, 61, 0.32);
  stroke-width: 6;
}

.page-about .orbit-label {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* ---------- Stat band ---------- */
.page-about .about-band {
  background: var(--signal);
  color: var(--base);
}

.page-about .about-band__inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 16px;
  padding-top: 32px;
  padding-bottom: 32px;
}

.page-about .band-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 8vw, 46px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--base);
}

.page-about .band-stat__unit {
  font-size: 0.5em;
  margin-left: 2px;
  font-weight: 600;
}

.page-about .band-stat__label {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(11, 46, 79, 0.78);
}

/* ---------- Shared section skeleton ---------- */
.page-about .about-section {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-head {
  max-width: 68ch;
  margin-bottom: 36px;
}

.page-about .about-head__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 5.4vw, 38px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--paper);
}

.page-about .about-head__lede {
  margin: 0;
  font-size: 15.5px;
  color: rgba(245, 247, 250, 0.76);
}

/* ---------- Figures ---------- */
.page-about .about-figure {
  margin: 0 0 32px;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-card);
  background: var(--surface);
}

.page-about .about-figure__cap {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- Timeline strip ---------- */
.page-about .strip {
  list-style: none;
  margin: 0;
  padding: 0 0 16px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .strip__item {
  flex: 0 0 auto;
  width: 262px;
  scroll-snap-align: start;
}

.page-about .node {
  position: relative;
  display: block;
  padding: 20px 18px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-card);
  background: var(--surface);
  transition: border-color 200ms ease, transform 200ms ease;
}

.page-about .node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 18px;
  width: 20px;
  height: 8px;
  border-radius: 999px;
  background: var(--signal);
  transition: background 200ms ease, width 200ms ease;
}

.page-about .node--current {
  border-color: var(--line-signal);
}

.page-about .node--current::before {
  width: 30px;
  background: var(--diff);
  box-shadow: 0 0 0 4px rgba(255, 122, 61, 0.22);
}

.page-about .node__summary {
  display: block;
  list-style: none;
  cursor: pointer;
  outline-offset: 4px;
}

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

.page-about .node__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--signal);
  margin-bottom: 6px;
}

.page-about .node__title {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-about .node__body {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- People ---------- */
.page-about .about-section--people {
  background: var(--shade);
}

.page-about .about-people {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .roles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .role {
  position: relative;
  padding: 22px 18px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-card);
  background: rgba(18, 58, 94, 0.72);
  overflow: hidden;
}

.page-about .role::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--signal);
}

.page-about .role--product::before { background: var(--signal); }
.page-about .role--frontend::before { background: var(--mint); }
.page-about .role--content::before { background: var(--diff); }
.page-about .role--service::before { background: var(--grid); }

.page-about .role__tag {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .role__count {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal);
}

.page-about .role__desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 247, 250, 0.82);
}

.page-about .role__trigger {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  transition: color 200ms ease;
}

.page-about .role:hover .role__trigger,
.page-about .role:focus-within .role__trigger {
  color: var(--mint);
}

.page-about .about-figure--side {
  margin: 0;
}

/* ---------- Monitor ---------- */
.page-about .about-section--monitor {
  background: var(--base);
}

.page-about .monitor {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-about .monitor__gauge {
  padding: 24px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-card);
  background: var(--surface);
}

.page-about .ring-wrap {
  position: relative;
  width: min(220px, 60vw);
  margin: 0 auto 22px;
}

.page-about .ring {
  display: block;
  width: 100%;
  height: auto;
  transform: rotate(-90deg);
}

.page-about .ring__track,
.page-about .ring__value {
  fill: none;
  stroke-width: 12;
  stroke-linecap: round;
}

.page-about .ring__track {
  stroke: rgba(201, 214, 226, 0.18);
}

.page-about .ring__value {
  stroke: var(--signal);
  stroke-dasharray: 527.8;
  stroke-dashoffset: 0.32;
}

.page-about .ring-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0;
  text-align: center;
}

.page-about .ring-label__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 7vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--signal);
}

.page-about .ring-label__cap {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-about .monitor__facts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .fact {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  justify-content: space-between;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}

.page-about .fact:first-child { border-top: 0; }

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

.page-about .fact__val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
}

.page-about .about-figure--monitor {
  margin: 0;
}

/* ---------- Coverage ---------- */
.page-about .about-section--coverage {
  background: var(--shade);
}

.page-about .coverage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .coverage__col {
  padding: 22px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-card);
  background: rgba(18, 58, 94, 0.55);
}

.page-about .coverage__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 8vw, 40px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--paper);
}

.page-about .coverage__unit {
  font-size: 0.5em;
  margin-left: 2px;
  color: var(--signal);
}

.page-about .coverage__label {
  margin: 8px 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--signal);
}

.page-about .coverage__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
}

/* ---------- Record ---------- */
.page-about .about-record {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-record__lede {
  margin: 0 0 24px;
  font-size: 15.5px;
  color: rgba(245, 247, 250, 0.78);
}

.page-about .record-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .record-item {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.page-about .record-item:first-child { border-top: 1px solid var(--line-strong); }

.page-about .record-item__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--diff);
  letter-spacing: 0.08em;
  flex: 0 0 auto;
}

.page-about .record-item__txt {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
}

.page-about .about-record__aside {
  padding: 24px 20px;
  border: 1px solid var(--line-signal);
  border-radius: var(--r-card);
  background: var(--surface);
}

.page-about .aside-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .aside-body {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(245, 247, 250, 0.78);
}

.page-about .aside-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Closing ---------- */
.page-about .about-section--closing {
  background:
    radial-gradient(circle at 14% 20%, rgba(0, 229, 199, 0.12), transparent 55%),
    var(--base);
  border-bottom: 0;
}

.page-about .about-closing {
  max-width: 720px;
}

.page-about .about-closing__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 5.6vw, 36px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--paper);
}

.page-about .about-closing__lede {
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.78);
}

.page-about .about-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-about .about-closing__contact {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Tablet ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 64px 0 72px;
  }

  .page-about .about-band__inner {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding-top: 38px;
    padding-bottom: 38px;
  }

  .page-about .about-section {
    padding: 88px 0;
  }

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

  .page-about .coverage {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-about .monitor {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 32px;
  }

  .page-about .strip__item {
    width: 288px;
  }
}

/* ---------- Desktop ---------- */
@media (min-width: 1000px) {
  .page-about .about-shell {
    padding: 0 24px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
  }

  .page-about .about-hero__visual {
    order: 0;
    justify-content: flex-end;
  }

  .page-about .about-orbit {
    width: 100%;
    max-width: 400px;
  }

  .page-about .about-people {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .roles {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  .page-about .about-figure--side {
    position: sticky;
    top: 120px;
  }

  .page-about .coverage {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-about .about-record {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .strip__item {
    width: 300px;
  }
}

/* ---------- Motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .node,
  .page-about .role__trigger {
    transition: none;
  }
}
<<<END>>>