.page-about {
  background: var(--void);
  color: var(--silver);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-display);
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-about h2 {
  font-weight: 900;
  font-size: 26px;
  line-height: 1.25;
  margin: 0 0 14px;
}

.page-about h3 {
  font-weight: 700;
}

.page-about p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-about a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-about .eyebrow {
  margin-bottom: 12px;
}

/* ---------- hero ---------- */
.page-about .ab-hero {
  position: relative;
  padding: 20px 0 48px;
  background:
    radial-gradient(760px 380px at 82% -12%, rgba(43, 232, 208, 0.14), transparent 72%),
    linear-gradient(180deg, var(--deep), var(--void));
}

.page-about .hero-grid {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-about .hero-title {
  margin: 0;
  font-weight: 900;
  font-size: 42px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .hero-lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--white);
  max-width: 36em;
}

.page-about .hero-sub {
  font-size: 14px;
  color: var(--silver);
  max-width: 34em;
}

.page-about .hero-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 16px;
}

.page-about .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .stat-k {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--mute);
}

/* ---------- sections ---------- */
.page-about .ab-sec {
  position: relative;
  padding: 48px 0;
}

.page-about .ab-sec > .wrap {
  position: relative;
  z-index: 1;
}

.page-about .ab-sec--stars::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(201, 211, 224, 0.16) 1px, transparent 1.6px);
  background-size: 38px 38px;
  opacity: 0.55;
}

.page-about .ab-origin {
  background-color: var(--void);
  border-top: 1px solid var(--line);
}

.page-about .ab-craft {
  background: var(--deep);
}

.page-about .ab-seasons {
  background:
    linear-gradient(180deg, rgba(43, 232, 208, 0.06), transparent 42%),
    var(--void);
  border-top: 1px solid var(--line);
}

.page-about .ab-peers {
  background: linear-gradient(180deg, var(--deep), #0B1220 88%, var(--void));
}

.page-about .ab-commit {
  background:
    radial-gradient(640px 300px at 18% 0%, rgba(232, 176, 75, 0.08), transparent 72%),
    var(--void);
  border-top: 1px solid var(--line);
}

.page-about .ab-next {
  background: var(--ink);
}

/* ---------- vertical annotation ---------- */
.page-about .anno-link {
  display: none;
}

/* ---------- grid ---------- */
.page-about .about-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .seasons-head {
  max-width: 620px;
  margin-bottom: 24px;
}

.page-about .sec-lead {
  font-size: 14px;
  color: var(--mute);
  max-width: 38em;
  margin: 0 0 22px;
}

.page-about .sub-h {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--mute);
  margin: 0 0 14px;
}

/* ---------- media ---------- */
.page-about .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  box-shadow: var(--shadow);
}

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

.page-about .media-frame--band {
  aspect-ratio: 16 / 7;
  margin-bottom: 4px;
}

.page-about .media-frame--band img {
  height: 100%;
  object-fit: cover;
}

.page-about .cap {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mute);
}

/* ---------- craft steps ---------- */
.page-about .craft-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-about .craft-steps li {
  position: relative;
  padding: 16px 0 16px 42px;
  border-top: 1px solid var(--line);
}

.page-about .craft-steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .step-num {
  position: absolute;
  left: 0;
  top: 20px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .craft-steps h3 {
  font-size: 16px;
  margin: 0 0 6px;
}

.page-about .craft-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
  max-width: 34em;
}

/* ---------- timeline ---------- */
.page-about .timeline {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 10px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-about .tl-item {
  position: relative;
  flex: 0 0 82%;
  scroll-snap-align: start;
  padding: 18px 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line);
  transition: box-shadow 0.18s var(--ease), background 0.18s var(--ease);
}

.page-about .tl-item.is-done::before {
  background: var(--grass);
}

.page-about .tl-item.is-now::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(43, 232, 208, 0.16);
}

.page-about .tl-ver {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
  margin-bottom: 8px;
}

.page-about .tl-item.is-now .tl-ver {
  color: var(--cyan);
}

.page-about .tl-item h3 {
  font-size: 15px;
  margin: 0 0 6px;
}

.page-about .tl-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--silver);
}

.page-about .tl-item:hover::before {
  box-shadow: 0 0 0 5px rgba(43, 232, 208, 0.14);
}

.page-about .tl-item:hover h3 {
  color: var(--cyan);
}

/* ---------- peers ---------- */
.page-about .peer-nums {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-about .big-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 48px;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-about .tag-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--deep);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--silver);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-about .tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: none;
  background: var(--cyan);
}

.page-about .tag--amber::before { background: var(--amber); }
.page-about .tag--rose::before { background: var(--rose); }
.page-about .tag--grass::before { background: var(--grass); }
.page-about .tag--cyan::before { background: var(--cyan); }

.page-about .tag:hover {
  color: var(--white);
  border-color: var(--cyan);
  background: var(--ink);
}

/* ---------- promises ---------- */
.page-about .promise-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .promise {
  padding: 18px 18px 16px;
  background: var(--ink);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius);
}

.page-about .promise--cyan { border-left-color: var(--cyan); }
.page-about .promise--amber { border-left-color: var(--amber); }
.page-about .promise--grass { border-left-color: var(--grass); }
.page-about .promise--rose { border-left-color: var(--rose); }

.page-about .promise h3 {
  font-size: 16px;
  margin: 0 0 8px;
}

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

/* ---------- next links ---------- */
.page-about .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .next-links a {
  display: block;
  height: 100%;
  padding: 20px 18px;
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-about .next-links a:hover {
  border-color: var(--cyan);
  background: var(--void);
  transform: translateY(-2px);
}

.page-about .nl-k {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-about .nl-t {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--white);
  margin-bottom: 6px;
}

.page-about .nl-d {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--silver);
}

.page-about .next-foot {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--silver);
}

.page-about .next-foot a,
.page-about .ab-peers a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 208, 0.35);
}

.page-about .next-foot a:hover,
.page-about .ab-peers a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- tablet ---------- */
@media (min-width: 700px) {
  .page-about .ab-hero { padding: 28px 0 64px; }
  .page-about .hero-title { font-size: 52px; }
  .page-about .hero-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .stat-num { font-size: 28px; }
  .page-about .big-num { font-size: 56px; }
  .page-about .promise-list { grid-template-columns: 1fr 1fr; gap: 18px; }
  .page-about .next-links { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
}

/* ---------- desktop ---------- */
@media (min-width: 900px) {
  .page-about .ab-sec { padding: 88px 0; }

  .page-about .hero-grid {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 32px;
  }

  .page-about .hero-title {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 84px;
    line-height: 1;
    letter-spacing: 0.06em;
    padding: 0 14px;
    border-left: 1px solid var(--line);
  }

  .page-about .hero-lead { font-size: 18px; }
  .page-about .stat-num { font-size: 30px; }
  .page-about h2 { font-size: 38px; }
  .page-about .big-num { font-size: 64px; }

  .page-about .about-row {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 32px 24px;
    align-items: start;
  }

  .page-about .w-5 { grid-column: span 5; }
  .page-about .w-6 { grid-column: span 6; }
  .page-about .tilt-down { margin-top: 44px; }

  .page-about .timeline {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow: visible;
  }

  .page-about .tl-item {
    flex: none;
    padding: 22px 18px 0 0;
  }

  .page-about .media-frame--band { aspect-ratio: 16 / 5; }
}

/* ---------- wide ---------- */
@media (min-width: 1024px) {
  .page-about .ab-sec > .wrap {
    padding-left: 64px;
  }

  .page-about .anno-link {
    display: block;
    position: absolute;
    left: 14px;
    top: 4px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--mute);
    text-decoration: none;
    padding: 4px 0 4px 6px;
    border-left: 1px solid var(--line);
    transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
  }

  .page-about .anno-link:hover,
  .page-about .anno-link:focus-visible {
    color: var(--cyan);
    border-left-color: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .next-links a,
  .page-about .tag,
  .page-about .anno-link,
  .page-about .tl-item::before {
    transition: none;
  }

  .page-about .next-links a:hover {
    transform: none;
  }
}