.page-about {
  --ab-pad: clamp(52px, 7vw, 100px);
  --ab-headgap: clamp(24px, 3.4vw, 46px);
  background: var(--xb-deep);
  color: var(--xb-snow);
  overflow-x: hidden;
}

.page-about .xb-wrap {
  width: min(var(--xb-max), 100% - var(--xb-gutter) * 2);
  margin-inline: auto;
}

/* ---------- Hero ---------- */

.page-about .ab-hero {
  position: relative;
  padding: clamp(28px, 4vw, 46px) 0 clamp(46px, 6vw, 86px);
  background:
    radial-gradient(120% 96% at 92% 0%, rgba(255, 106, 31, .14), transparent 62%),
    linear-gradient(180deg, var(--xb-deep) 0%, var(--xb-night) 100%);
}

.page-about .ab-hero .xb-breadcrumb {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-about .ab-hero__frame {
  position: relative;
  border: 1px solid var(--xb-rule);
  border-radius: var(--xb-radius);
  padding: clamp(22px, 3.6vw, 52px);
  background: linear-gradient(155deg, rgba(27, 58, 92, .58) 0%, rgba(10, 26, 46, .22) 100%);
  box-shadow: var(--xb-shadow);
}

.page-about .ab-hero__frame::before,
.page-about .ab-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--xb-orange);
  pointer-events: none;
}

.page-about .ab-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
  border-top-left-radius: var(--xb-radius);
}

.page-about .ab-hero__frame::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
  border-bottom-right-radius: var(--xb-radius);
}

.page-about .ab-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  margin-top: clamp(14px, 2vw, 22px);
}

.page-about .ab-hero__main .xb-display {
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-about .ab-hero__main .xb-lead {
  margin: 0;
  max-width: 62ch;
}

.page-about .ab-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--xb-rule);
  border: 1px solid var(--xb-rule);
  border-radius: 10px;
  overflow: hidden;
}

.page-about .ab-fact {
  background: var(--xb-night);
  padding: clamp(14px, 2vw, 20px);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background-color .25s ease, box-shadow .25s ease;
}

.page-about .ab-fact:hover {
  background: var(--xb-tactic);
  box-shadow: inset 3px 0 0 var(--xb-orange);
}

.page-about .ab-fact__k {
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--xb-orange);
  line-height: 1;
}

.page-about .ab-fact__v {
  font-size: 13px;
  line-height: 1.6;
  color: var(--xb-mist);
}

/* ---------- Section shell ---------- */

.page-about .ab-sec {
  position: relative;
  padding: var(--ab-pad) 0;
}

.page-about .ab-sec + .ab-sec {
  border-top: 1px solid rgba(46, 74, 104, .55);
}

.page-about .ab-head {
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1.2vw, 14px);
  padding-bottom: clamp(14px, 2vw, 22px);
  border-bottom: 1px solid var(--xb-rule);
  margin-bottom: var(--ab-headgap);
}

.page-about .ab-head .xb-h2,
.page-about .ab-head .xb-lead {
  margin: 0;
}

.page-about .ab-head .xb-lead {
  max-width: 70ch;
}

/* ---------- Origin ---------- */

.page-about .ab-origin {
  align-items: start;
}

.page-about .ab-origin__text .xb-prose + .xb-prose {
  margin-top: 1.1em;
}

.page-about .ab-origin__media {
  border: 1px solid var(--xb-rule);
  border-radius: var(--xb-radius);
  overflow: hidden;
  background: var(--xb-night);
}

/* ---------- Team ---------- */

.page-about .fn-strip {
  display: flex;
  gap: 3px;
  height: clamp(46px, 6vw, 74px);
  border-radius: 10px;
  overflow: hidden;
  background: var(--xb-night);
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-about .fn-strip__seg {
  position: relative;
  min-width: 0;
  transition: filter .28s ease;
}

.page-about .fn-strip__seg:hover {
  filter: brightness(1.22);
}

.page-about .fn-strip__seg--a {
  flex: 24 1 0;
  background: linear-gradient(180deg, var(--xb-orange), #c94d11);
}

.page-about .fn-strip__seg--b {
  flex: 9 1 0;
  background: linear-gradient(180deg, var(--xb-green), #1c9d5f);
}

.page-about .fn-strip__seg--c {
  flex: 35 1 0;
  background: linear-gradient(180deg, var(--xb-tactic), #10253c);
}

.page-about .fn-roles {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-about .fn-role {
  background: var(--xb-night);
  border: 1px solid var(--xb-rule);
  border-radius: 10px;
  transition: border-color .25s ease, background-color .25s ease;
}

.page-about .fn-role[open] {
  border-color: rgba(255, 106, 31, .6);
  background: linear-gradient(160deg, rgba(27, 58, 92, .5), rgba(18, 38, 63, .8));
}

.page-about .fn-role__sum {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 18px);
  padding: clamp(14px, 2vw, 20px);
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 500;
  color: var(--xb-snow);
}

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

.page-about .fn-role__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--xb-font-mono);
  font-size: 18px;
  color: var(--xb-mist);
  transition: transform .25s ease, color .25s ease;
}

.page-about .fn-role[open] .fn-role__sum::after {
  content: "–";
  color: var(--xb-orange);
}

.page-about .fn-role__dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex: 0 0 auto;
}

.page-about .fn-role__dot--a {
  background: var(--xb-orange);
}

.page-about .fn-role__dot--b {
  background: var(--xb-green);
}

.page-about .fn-role__dot--c {
  background: var(--xb-tactic);
  border: 1px solid var(--xb-rule);
}

.page-about .fn-role__name {
  flex: 1 1 auto;
  min-width: 0;
}

.page-about .fn-role__num {
  font-size: 13px;
  color: var(--xb-orange);
  letter-spacing: .04em;
}

.page-about .fn-role__body {
  padding: 0 clamp(14px, 2vw, 20px) clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--xb-rule);
  padding-top: clamp(12px, 1.6vw, 18px);
}

.page-about .fn-role__body .xb-prose {
  margin: 0;
  font-size: 14.5px;
  color: var(--xb-mist);
}

.page-about .ab-team__figure {
  border: 1px solid var(--xb-rule);
  border-radius: var(--xb-radius);
  overflow: hidden;
}

/* ---------- Sources ---------- */

.page-about .ab-src {
  align-items: start;
}

.page-about .ab-src__body .xb-prose + .xb-prose {
  margin-top: 1.1em;
}

.page-about .ab-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--xb-rule);
  border: 1px solid var(--xb-rule);
  border-radius: 10px;
  overflow: hidden;
}

.page-about .ab-step {
  background: var(--xb-night);
  padding: clamp(14px, 2vw, 20px);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "ix t"
    "d d";
  align-items: baseline;
  gap: 8px 14px;
  transition: background-color .25s ease, box-shadow .25s ease;
}

.page-about .ab-step:hover {
  background: var(--xb-tactic);
  box-shadow: inset 3px 0 0 var(--xb-orange);
}

.page-about .ab-step__ix {
  grid-area: ix;
  font-size: 12.5px;
  color: var(--xb-green);
  letter-spacing: .05em;
}

.page-about .ab-step__t {
  grid-area: t;
  font-size: 15px;
  font-weight: 600;
  color: var(--xb-snow);
}

.page-about .ab-step__d {
  grid-area: d;
  font-size: 14px;
  line-height: 1.7;
  color: var(--xb-mist);
}

/* ---------- Timeline ---------- */

.page-about .ab-timeline {
  overflow: hidden;
}

.page-about .tl-bg {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: .12;
  pointer-events: none;
  z-index: 0;
}

.page-about .tl-bg img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-width: 100%;
}

.page-about .ab-timeline .xb-wrap {
  position: relative;
  z-index: 1;
}

.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0 0 0 clamp(0px, 1vw, 12px);
  position: relative;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--xb-rule);
}

.page-about .tl__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(74px, 104px) 1fr;
  gap: clamp(14px, 2.6vw, 38px);
  padding: clamp(18px, 2.4vw, 28px) 0 clamp(18px, 2.4vw, 28px) clamp(14px, 2vw, 26px);
  border-top: 1px solid rgba(46, 74, 104, .7);
  transition: background-color .28s ease;
}

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

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(24px, 3vw, 34px);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--xb-deep);
  border: 2px solid var(--xb-orange);
  transform: translateX(-4.5px);
  transition: background-color .28s ease, box-shadow .28s ease;
}

.page-about .tl__item:hover::before,
.page-about .tl__item:focus-within::before {
  background: var(--xb-orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 31, .18);
}

.page-about .tl__item:hover {
  background: linear-gradient(90deg, rgba(27, 58, 92, .42), transparent 78%);
}

.page-about .tl__year {
  font-size: clamp(1.05rem, 2.2vw, 1.5rem);
  font-weight: 700;
  color: var(--xb-orange);
  letter-spacing: .03em;
  line-height: 1.2;
  align-self: start;
  position: sticky;
  top: 92px;
}

.page-about .tl__body .xb-chip {
  display: inline-block;
  margin-bottom: 8px;
}

.page-about .tl__body .xb-h3 {
  margin: 0 0 8px;
}

.page-about .tl__body .xb-tag {
  display: inline-block;
  vertical-align: middle;
  margin-left: 8px;
  margin-bottom: 8px;
}

.page-about .tl__body .xb-prose {
  margin: 0;
  color: var(--xb-mist);
  max-width: 68ch;
}

/* ---------- Clients ---------- */

.page-about .cl-grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-about .cl-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--xb-radius);
}

.page-about .cl-card:nth-child(even) {
  transform: translateY(0);
}

.page-about .cl-card__num {
  display: block;
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--xb-orange);
  margin-bottom: 12px;
  letter-spacing: -.02em;
}

.page-about .cl-card .xb-h3 {
  margin: 0 0 10px;
  color: var(--xb-snow);
}

.page-about .cl-card .xb-prose {
  margin: 0;
  font-size: 14.5px;
  color: var(--xb-mist);
}

/* ---------- Promise ---------- */

.page-about .ab-promise__grid {
  align-items: start;
}

.page-about .ab-promise__intro .xb-prose + .xb-prose {
  margin-top: 1.1em;
}

.page-about .pm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
}

.page-about .pm-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(12px, 1.8vw, 20px);
  padding: clamp(16px, 2vw, 22px);
  border: 1px solid var(--xb-rule);
  border-radius: 10px;
  background: var(--xb-night);
  transition: border-color .25s ease, background-color .25s ease;
}

.page-about .pm-item:hover {
  border-color: rgba(255, 106, 31, .55);
  background: var(--xb-tactic);
}

.page-about .pm-item__ix {
  font-size: 13px;
  color: var(--xb-orange);
  letter-spacing: .05em;
  padding-top: 3px;
}

.page-about .pm-item .xb-h3 {
  margin: 0 0 6px;
  font-size: clamp(15px, 1.6vw, 17px);
}

.page-about .pm-item .xb-prose {
  margin: 0;
  font-size: 14.5px;
  color: var(--xb-mist);
}

/* ---------- Next ---------- */

.page-about .ab-next {
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-about .ab-next__frame {
  position: relative;
  border: 1px solid var(--xb-rule);
  border-radius: var(--xb-radius);
  padding: clamp(26px, 4vw, 56px);
  background:
    linear-gradient(115deg, rgba(255, 106, 31, .12) 0%, transparent 46%),
    linear-gradient(165deg, var(--xb-night) 0%, var(--xb-deep) 100%);
  box-shadow: var(--xb-shadow);
  overflow: hidden;
}

.page-about .ab-next__frame::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(53, 224, 138, .28);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .ab-next__frame .xb-h2 {
  margin: clamp(10px, 1.6vw, 18px) 0 clamp(12px, 1.6vw, 18px);
  max-width: 44ch;
}

.page-about .ab-next__frame .xb-lead {
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 62ch;
}

.page-about .ab-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  z-index: 1;
}

/* ---------- Responsive ---------- */

@media (min-width: 720px) {
  .page-about .cl-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .cl-card:nth-child(2) {
    transform: translateY(22px);
  }

  .page-about .cl-card:nth-child(4) {
    transform: translateY(22px);
  }
}

@media (min-width: 960px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(260px, 5fr);
    align-items: start;
  }

  .page-about .xb-grid--5-7.ab-origin {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(28px, 4vw, 60px);
  }

  .page-about .xb-grid--7-5.ab-src {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 60px);
  }

  .page-about .xb-grid--5-7.ab-promise__grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(28px, 4vw, 60px);
  }
}

@media (max-width: 719px) {
  .page-about .ab-hero__facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-about .ab-origin__text,
  .page-about .ab-origin__media,
  .page-about .ab-src__body,
  .page-about .ab-steps,
  .page-about .ab-promise__intro,
  .page-about .pm-list {
    display: block;
  }

  .page-about .ab-origin__media {
    margin-top: 22px;
  }

  .page-about .ab-steps {
    margin-top: 24px;
  }

  .page-about .pm-list {
    margin-top: 22px;
  }

  .page-about .tl {
    padding-left: 12px;
  }

  .page-about .tl__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-about .tl__year {
    position: static;
    font-size: 1.05rem;
  }

  .page-about .fn-role__num {
    display: none;
  }

  .page-about .ab-next__actions .xb-btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}