.page-about {
  --about-rail-w: 118px;
  --about-rail-gap: 52px;
  display: block;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(40px, 6vw, 76px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -25% -12% -10%;
  background:
    radial-gradient(58% 52% at 80% 14%, rgba(124, 77, 255, 0.30), transparent 70%),
    radial-gradient(46% 40% at 8% 74%, rgba(41, 227, 208, 0.13), transparent 72%),
    radial-gradient(34% 30% at 46% 96%, rgba(255, 107, 74, 0.10), transparent 76%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-about .about-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--ash);
  text-transform: uppercase;
}

.page-about .about-hero__eyebrow .dot {
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(41, 227, 208, 0.8);
}

.page-about .about-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist);
  max-width: 15em;
}

.page-about .about-hero__lead {
  margin: 0 0 26px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ash);
  max-width: 40em;
}

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

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.page-about .about-hero__stat {
  padding: 16px 18px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(158deg, rgba(27, 20, 48, 0.92), rgba(11, 11, 18, 0.72));
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-about .about-hero__stat:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-about .about-hero__stat-label {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--ash);
  margin-bottom: 8px;
}

.page-about .about-hero__stat-value {
  margin: 0;
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-hero__stat:nth-child(2) .about-hero__stat-value { color: var(--violet); }
.page-about .about-hero__stat:nth-child(4) .about-hero__stat-value { color: var(--coral); }

/* ---------- section shell ---------- */
.page-about .about-block {
  position: relative;
  padding: clamp(40px, 6vw, 80px) 0;
  border-top: 1px solid var(--line);
}

.page-about .about-block--indigo {
  background: linear-gradient(180deg, rgba(27, 20, 48, 0.62), rgba(11, 11, 18, 0));
}

.page-about .about-block--teal {
  background: linear-gradient(180deg, rgba(14, 59, 59, 0.52), rgba(11, 11, 18, 0));
}

.page-about .about-block--wine {
  background: linear-gradient(180deg, rgba(78, 27, 46, 0.46), rgba(11, 11, 18, 0));
}

.page-about .about-block__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-about .about-block__rail {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about .about-block__num {
  display: block;
  font-size: clamp(38px, 5.6vw, 60px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.04em;
  color: rgba(201, 182, 255, 0.30);
}

.page-about .about-block__label {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--ash);
  text-transform: uppercase;
}

.page-about .about-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.3vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-about .about-lead {
  margin: 0 0 30px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ash);
  max-width: 42em;
}

/* ---------- role bar ---------- */
.page-about .role-bar {
  display: flex;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(11, 11, 18, 0.6);
}

.page-about .role-bar__seg {
  display: block;
  height: 100%;
}

.page-about .role-bar__seg--content { width: 39.13%; background: var(--violet); }
.page-about .role-bar__seg--tech { width: 26.09%; background: var(--cyan); }
.page-about .role-bar__seg--service { width: 19.57%; background: var(--coral); }
.page-about .role-bar__seg--ops { width: 15.21%; background: var(--lilac); }

.page-about .role-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 12px 0 30px;
  padding: 0;
  font-size: var(--fs-14);
  color: var(--ash);
}

.page-about .role-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-about .role-legend__swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex: none;
}

.page-about .role-legend__swatch--content { background: var(--violet); }
.page-about .role-legend__swatch--tech { background: var(--cyan); }
.page-about .role-legend__swatch--service { background: var(--coral); }
.page-about .role-legend__swatch--ops { background: var(--lilac); }

/* ---------- role details ---------- */
.page-about .role-list {
  display: grid;
  gap: 10px;
}

.page-about .role {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(18, 16, 32, 0.72);
  transition: border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-about .role[open] {
  border-color: rgba(124, 77, 255, 0.6);
  background: rgba(24, 20, 44, 0.85);
}

.page-about .role__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .role__summary:focus-visible {
  outline: 2px solid var(--lilac);
  outline-offset: 3px;
  border-radius: var(--radius-m);
}

.page-about .role__count {
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--cyan);
  min-width: 2.4em;
}

.page-about .role__name {
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--mist);
}

.page-about .role__hint {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--ash);
}

.page-about .role__hint::after {
  content: "+";
  display: inline-block;
  margin-left: 6px;
  font-size: 15px;
  color: var(--lilac);
  transition: transform 220ms var(--ease);
}

.page-about .role[open] .role__hint::after {
  transform: rotate(45deg);
}

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

.page-about .role__body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--ash);
  max-width: 60em;
}

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

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

.page-about .about-figure--square img {
  max-width: 620px;
  aspect-ratio: 1 / 1;
}

.page-about .about-figure .figure__caption {
  margin-top: 10px;
  font-size: var(--fs-12);
  color: var(--ash);
}

/* ---------- flow ---------- */
.page-about .flow-line {
  display: block;
  width: 100%;
  height: auto;
  max-height: 56px;
  margin: 0 0 18px;
  opacity: 0.9;
}

.page-about .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .flow__step {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-top: 2px solid rgba(124, 77, 255, 0.5);
  border-radius: var(--radius-m);
  background: rgba(18, 16, 32, 0.6);
}

.page-about .flow__step:nth-child(3n + 2) { border-top-color: rgba(41, 227, 208, 0.55); }
.page-about .flow__step:nth-child(3n + 3) { border-top-color: rgba(255, 107, 74, 0.55); }

.page-about .flow__idx {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--lilac);
  margin-bottom: 10px;
}

.page-about .flow__title {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--mist);
}

.page-about .flow__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ash);
}

/* ---------- week ---------- */
.page-about .week {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .week__day {
  padding: 16px 15px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(18, 16, 32, 0.62);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-about .week__day:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-about .week__day--violet {
  border-color: rgba(124, 77, 255, 0.5);
  background: linear-gradient(160deg, rgba(124, 77, 255, 0.2), rgba(18, 16, 32, 0.62));
}

.page-about .week__day--coral {
  border-color: rgba(255, 107, 74, 0.5);
  background: linear-gradient(160deg, rgba(255, 107, 74, 0.18), rgba(18, 16, 32, 0.62));
}

.page-about .week__name {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--ash);
}

.page-about .week__task {
  margin: 10px 0 6px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--mist);
}

.page-about .week__note {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--ash);
}

/* ---------- clients ---------- */
.page-about .platforms {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
  padding: 0;
}

.page-about .platform {
  padding: 10px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(11, 25, 25, 0.7);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--mist);
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-about .platform:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-about .support-grid {
  display: grid;
  gap: 14px;
}

.page-about .support {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(11, 20, 20, 0.6);
}

.page-about .support__title {
  margin: 0 0 10px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--mist);
}

.page-about .support__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ash);
}

.page-about .about-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 26px 0 0;
}

.page-about .about-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 227, 208, 0.35);
  padding-bottom: 3px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-about .about-link::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-about .about-link:hover {
  color: var(--mist);
  border-color: var(--mist);
}

/* ---------- partners ---------- */
.page-about .partner-grid {
  display: grid;
  gap: 14px;
}

.page-about .partner {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: rgba(46, 18, 30, 0.5);
}

.page-about .partner__num {
  margin: 0 0 10px;
  font-size: clamp(32px, 4.4vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--coral);
}

.page-about .partner:nth-child(2) .partner__num { color: var(--lilac); }
.page-about .partner:nth-child(3) .partner__num { color: var(--cyan); }

.page-about .partner__title {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--mist);
}

.page-about .partner__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ash);
}

.page-about .audit {
  margin-top: 26px;
  padding: 24px 22px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  background: rgba(11, 11, 18, 0.55);
}

.page-about .audit__title {
  margin: 0 0 12px;
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--mist);
}

.page-about .audit__text {
  margin: 0 0 18px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--ash);
  max-width: 46em;
}

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

.page-about .audit__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ash);
}

.page-about .audit__dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  flex: none;
}

.page-about .audit__dot--cyan { background: var(--cyan); box-shadow: 0 0 12px rgba(41, 227, 208, 0.7); }
.page-about .audit__dot--violet { background: var(--violet); box-shadow: 0 0 12px rgba(124, 77, 255, 0.7); }
.page-about .audit__dot--coral { background: var(--coral); box-shadow: 0 0 12px rgba(255, 107, 74, 0.7); }

/* ---------- roadmap ---------- */
.page-about .roadmap {
  list-style: none;
  margin: 0;
  padding: 0 0 0 2px;
  border-left: 2px solid var(--line-strong);
}

.page-about .roadmap__item {
  position: relative;
  padding: 0 0 30px 26px;
}

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

.page-about .roadmap__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 0 4px rgba(124, 77, 255, 0.18);
}

.page-about .roadmap__item:nth-child(2)::before { background: var(--cyan); box-shadow: 0 0 0 4px rgba(41, 227, 208, 0.16); }
.page-about .roadmap__item:nth-child(3)::before { background: var(--lilac); box-shadow: 0 0 0 4px rgba(201, 182, 255, 0.16); }

.page-about .roadmap__item--now::before {
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 107, 74, 0.22), 0 0 18px rgba(255, 107, 74, 0.55);
}

.page-about .roadmap__stage {
  margin: 0 0 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--lilac);
}

.page-about .roadmap__title {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--mist);
}

.page-about .roadmap__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.82;
  color: var(--ash);
  max-width: 48em;
}

/* ---------- cta ---------- */
.page-about .about-cta {
  padding: clamp(40px, 6vw, 72px) 0;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(70% 120% at 82% 0%, rgba(255, 107, 74, 0.16), transparent 68%),
    radial-gradient(60% 110% at 12% 100%, rgba(124, 77, 255, 0.20), transparent 70%),
    rgba(11, 11, 18, 0.9);
}

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

.page-about .about-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-about .about-cta__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ash);
  max-width: 40em;
}

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

/* ---------- responsive ---------- */
@media (min-width: 620px) {
  .page-about .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-about .partner:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-about .week {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
    align-items: end;
    gap: 56px;
  }

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

  .page-about .about-block__grid {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: var(--about-rail-gap);
  }

  .page-about .about-block__rail {
    position: sticky;
    top: calc(var(--header-total) + 28px);
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

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

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

  .page-about .partner:nth-child(3) {
    grid-column: auto;
  }
}

@media (max-width: 719px) {
  .page-about .flow-line {
    display: none;
  }

  .page-about .about-figure--square img {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero__stat,
  .page-about .week__day,
  .page-about .role,
  .page-about .role__hint::after,
  .page-about .platform,
  .page-about .about-link {
    transition: none;
  }

  .page-about .about-hero__stat:hover,
  .page-about .week__day:hover {
    transform: none;
  }
}