/*=====================================================*/
/*  ABOUT VERSA CLOUD ERP — page styles                */
/*  Depends on assets/css/ai/common.css                */
/*                                                     */
/*  This is the company's face page, so it runs one    */
/*  step more editorial than the rest of the family:   */
/*  a statement hero over a photographic backdrop,     */
/*  numbered chapters, line-masked headings, an index  */
/*  instead of a card grid, and a scroll-pinned stage  */
/*  for the three eras of business software.           */
/*                                                     */
/*  Everything still speaks the shared language —      */
/*  Montserrat / Raleway, ink, cream and one orange —  */
/*  it just uses bigger type and more air.             */
/*=====================================================*/

/*----------------------------*/
/* PAGE BASE                  */
/*----------------------------*/
/* `clip` rather than the inherited `hidden`: both contain the sideways bleed
   of the tilted ticker, but `hidden` would make this element a scroll container
   and break `position: sticky` on the era stage inside it. */
.abt-page {
  overflow: clip;
}

.abt-section {
  padding: clamp(84px, 9vw, 132px) 0;
}

/* Section that hands its bottom edge to a full-bleed band */
.abt-section--flush {
  padding-bottom: 0;
}

/*-----------------------------------*/
/* MOTION PRIMITIVES                 */
/* Three reveals do the whole page:  */
/*  [data-abt-lines]   headings rise */
/*    out of a masked line box       */
/*  [data-abt-fade]    block fades   */
/*    up (delay from data-abt-delay) */
/*  [data-abt-stagger] children run  */
/*    in sequence off --ai-i         */
/* All are switched by .is-in, set   */
/* by about-us.js.                   */
/*-----------------------------------*/
.abt-lines {
  margin: 0;
}

/* The mask box. The padding/negative-margin pair keeps descenders and the
   orange accent from being clipped by the very overflow doing the masking. */
.abt-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.09em;
  margin-bottom: -0.09em;
}

/* Both the mask box and the line inside it are bare spans, which the live
   theme styles directly (colour and a 1.5em line-height). Inheritance always
   loses to a direct declaration, so the heading's own type has to be restated
   here rather than relied upon. */
.abt-line,
.abt-line>span {
  color: inherit !important;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit !important;
}

.abt-line>span {
  display: block;
  translate: 0 110%;
  transition: translate 0.95s cubic-bezier(0.16, 0.84, 0.28, 1);
}

.abt-lines.is-in .abt-line>span {
  translate: 0 0;
}

.abt-line:nth-child(1)>span {
  transition-delay: 40ms;
}

.abt-line:nth-child(2)>span {
  transition-delay: 150ms;
}

.abt-line:nth-child(3)>span {
  transition-delay: 260ms;
}

[data-abt-fade] {
  opacity: 0;
  translate: 0 20px;
  transition: opacity 0.7s ease, translate 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
}

[data-abt-fade].is-in {
  opacity: 1;
  translate: 0 0;
}

[data-abt-stagger]>* {
  opacity: 0;
}

[data-abt-stagger].is-in>* {
  animation: ai-reveal-up 0.7s cubic-bezier(0.22, 0.61, 0.36, 1) both;
  animation-delay: calc(var(--ai-i, 0) * 80ms);
}

/*-----------------------------------*/
/* CHAPTER MARKER                    */
/* Numbered rule that opens every    */
/* section, so the page reads as a   */
/* document rather than a stack of   */
/* blocks.                           */
/*-----------------------------------*/
.abt-chapter {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 30px;
}

.abt-chapter__num {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 1px solid rgba(var(--ai-primary-rgb), 0.45);
  border-radius: 50%;
  font-family: var(--ai-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ai-primary-deep);
}

.abt-chapter__label {
  font-family: var(--ai-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--ai-muted);
  white-space: nowrap;
}

.abt-chapter::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--ai-line);
}

/* Centred opener: rules on both sides of the marker instead of a trailing one */
.abt-chapter--center {
  justify-content: center;
}

.abt-chapter--center::before {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--ai-line);
}

.abt-chapter--light .abt-chapter__num {
  border-color: rgba(var(--ai-primary-rgb), 0.6);
  color: var(--ai-primary);
}

.abt-chapter--light .abt-chapter__label {
  color: rgba(255, 255, 255, 0.6);
}

.abt-chapter--light::before,
.abt-chapter--light::after {
  background: rgba(255, 255, 255, 0.14);
}

/*-----------------------------------*/
/* SECTION OPENER                    */
/* Display heading on the left, the  */
/* paragraph it sets up on the right */
/*-----------------------------------*/
.abt-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: end;
  gap: 32px 64px;
  margin-bottom: 68px;
}

.abt-intro--tight {
  grid-template-columns: 1fr;
  margin-bottom: 46px;
}

/* Centred opener: heading over the paragraph it sets up, both centred */
.abt-intro--center {
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  text-align: center;
}

.abt-intro--center .abt-display {
  max-width: 26ch;
}

.abt-intro--center .abt-intro__copy {
  align-items: center;
  max-width: 74ch;
  padding-bottom: 0;
}

/* A centred block reads better with an even rag than with one short last line */
.abt-intro--center .abt-intro__copy p {
  text-wrap: balance;
}

.abt-display {
  font-family: var(--ai-heading);
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.04 !important;
  color: var(--ai-ink);
  /* Authored line breaks do the shaping; balance keeps any line that still has
     to wrap from dropping a single orphan word */
  text-wrap: balance;
}

.abt-display em {
  font-style: normal;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  color: var(--ai-primary);
}

.abt-intro__copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 6px;
}

.abt-intro__copy p {
  margin: 0;
  font-size: 17px;
  line-height: 1.75 !important;
  color: var(--ai-muted);
}

.abt-intro__copy strong {
  color: var(--ai-ink);
}

/*-----------------------------------*/
/* CHAPTER RAIL                      */
/* Fixed marker of where you are in  */
/* the document. Desktop only, and   */
/* deliberately tiny until hovered.  */
/*-----------------------------------*/
.abt-rail {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: none;
}

/* Lives outside .ai-page, so it carries its own list and link resets */
.abt-rail ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.abt-rail li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.abt-rail a,
.abt-rail a:hover,
.abt-rail a:focus {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 7px 6px;
  color: var(--ai-muted) !important;
  text-decoration: none !important;
}

.abt-rail a span {
  font-family: var(--ai-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(92, 100, 112, 0.55);
  transition: color 0.25s ease;
}

/* The label is the hover payoff; the dash is what you normally see */
.abt-rail a em {
  max-width: 0;
  overflow: hidden;
  font-family: var(--ai-heading);
  font-style: normal;
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
  opacity: 0;
  transition: max-width 0.35s ease, opacity 0.25s ease;
}

.abt-rail a::after {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--ai-line);
  border-radius: 999px;
  transition: width 0.3s ease, background 0.3s ease;
}

.abt-rail a:hover em {
  max-width: 190px;
  opacity: 1;
}

.abt-rail a:hover span,
.abt-rail a.is-current span {
  color: var(--ai-primary-deep);
}

.abt-rail a:hover::after {
  width: 26px;
  background: var(--ai-primary);
}

.abt-rail a.is-current::after {
  width: 30px;
  background: var(--ai-primary);
}

/* Over ink sections the rail flips to light ink */
.abt-rail.is-inverted a span {
  color: rgba(255, 255, 255, 0.55);
}

.abt-rail.is-inverted a em {
  color: #FFF;
}

.abt-rail.is-inverted a::after {
  background: rgba(255, 255, 255, 0.28);
}

.abt-rail.is-inverted a:hover span,
.abt-rail.is-inverted a.is-current span {
  color: var(--ai-primary);
}

.abt-rail.is-inverted a:hover::after,
.abt-rail.is-inverted a.is-current::after {
  background: var(--ai-primary);
}

@media (min-width: 1400px) {
  .abt-rail {
    display: block;
  }
}

/*-----------------------------------*/
/* HERO                              */
/* One statement, one photograph.    */
/* The photo is a backdrop rather    */
/* than a card, so the headline can  */
/* run at full display size.         */
/*-----------------------------------*/
.abt-hero {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: min(100vh, 980px);
  min-height: min(100svh, 980px);
  /* Grid focal point follows the photograph */
  --ai-grid-x: 26%;
  --ai-grid-y: 42%;
}

/* Paint order inside the hero: photograph, then the shared grid texture and
   its beams over it, then the copy. Without this the media layer — a real
   element, and therefore later in the DOM than .ai-hero::before — would bury
   both the grid and the beams. */
.abt-hero .ai-grid-beams,
.abt-hero::before {
  z-index: 1;
}

/* Direct child only: the trust band below also carries .ai-wrap, and must not
   inherit the hero column's layout or its padding.

   The wrap absorbs the hero's free space and centres the copy inside it, so a
   tall screen no longer opens a gap between the site nav and the headline. */
.abt-hero>.ai-wrap {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* .ai-hero .ai-wrap centres its items for the shared two-column hero; as a
     flex column that would centre the copy horizontally instead */
  align-items: flex-start;
  padding: clamp(92px, 9vh, 118px) 0 clamp(40px, 5vh, 64px);
}

/* ---- photographic backdrop ---- */
.abt-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.abt-hero__media img {
  position: absolute;
  top: 0;
  right: 0;
  width: 56%;
  height: 100%;
  object-fit: cover;
  object-position: 46% 38%;
  filter: grayscale(0.45) contrast(1.06) brightness(0.6);
  /* The photograph dissolves into the ink instead of ending on a hard vertical
     edge — the mask does the blending, so the scrim over it can stay light */
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.35) 18%, #000 52%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.35) 18%, #000 52%);
  /* Parallax offset, written by about-us.js */
  translate: var(--abt-px, 0) var(--abt-py, 0);
  transition: translate 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* Ink wash: keeps the copy column solid, holds contrast under the headline
   where it crosses the picture, and lands the foot of the hero back on ink */
.abt-hero__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      var(--ai-ink) 26%,
      rgba(20, 20, 20, 0.78) 48%,
      rgba(20, 20, 20, 0.3) 72%,
      rgba(20, 20, 20, 0.5) 100%),
    linear-gradient(180deg,
      rgba(20, 20, 20, 0.72) 0%,
      rgba(20, 20, 20, 0) 28%,
      rgba(20, 20, 20, 0) 54%,
      var(--ai-ink) 98%);
}

/* ---- signal layer: the "subtle AI graphics" over the photograph ---- */
.abt-hero__net {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 40% 46% at 74% 44%, rgba(var(--ai-primary-rgb), 0.16), transparent 70%);
  translate: var(--abt-nx, 0) var(--abt-ny, 0);
  transition: translate 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---- copy ---- */
.abt-hero__copy {
  max-width: 1040px;
}

.abt-hero__copy .ai-kicker {
  margin-bottom: 24px;
  color: var(--ai-primary);
}

.abt-hero h1 {
  margin: 0;
  font-family: var(--ai-heading);
  /* Sized so each sentence holds one line down to roughly a 900px viewport,
     and balances rather than orphaning a word once it does wrap */
  font-size: clamp(34px, 4.9vw, 66px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.06 !important;
  color: #FFF;
  text-wrap: balance;
  /* Holds the headline legible where it crosses the lit part of the photo */
  text-shadow: 0 2px 30px rgba(20, 20, 20, 0.5);
}

.abt-hero h1 em {
  font-style: normal;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  color: var(--ai-primary);
}

.abt-hero__ledes {
  display: flex;
  flex-direction: column;
  gap: 13px;
  max-width: 600px;
  margin-top: 28px;
}

.abt-hero__ledes p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.72 !important;
  color: rgba(255, 255, 255, 0.7);
}

.abt-hero__ledes strong {
  color: #FFF;
  font-weight: 700;
}

.abt-hero .ai-hero__cta {
  margin-top: 34px;
}

/* Vertical section label along the left edge — only where there is room */
.abt-hero__side {
  display: none;
  position: absolute;
  left: -58px;
  bottom: 96px;
  margin: 0;
  transform: rotate(180deg);
  writing-mode: vertical-rl;
  font-family: var(--ai-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.32);
}

.abt-hero__side::after {
  content: "";
  display: block;
  width: 1px;
  height: 60px;
  margin: 16px auto 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3), transparent);
}

@media (min-width: 1400px) {
  .abt-hero__side {
    display: block;
  }
}

/* ---- trust band across the foot of the hero ---- */
.abt-hero__foot {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(20, 20, 20, 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

/* Specific enough to beat `.ai-hero .ai-wrap`, which would otherwise hand this
   list the hero's own two-column grid and its 125px padding */
.abt-hero__foot .abt-trust {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-left: auto;
  margin-right: auto;
  padding: 0;
}

.abt-trust li {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 24px 30px;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.abt-trust li:first-child {
  padding-left: 0;
  border-left: 0;
}

.abt-trust li i,
.abt-trust li svg {
  width: 18px;
  height: 18px;
  color: var(--ai-primary);
  stroke-width: 2.2;
}

.abt-trust li strong {
  font-family: var(--ai-heading);
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.2 !important;
  color: #FFF;
}

.abt-trust li span {
  font-size: 12.5px;
  line-height: 1.5 !important;
  color: rgba(255, 255, 255, 0.58);
}

/*-----------------------------------*/
/* 01 — THE SPECTRUM                 */
/* Two poles, the space between      */
/* them, and what we built to sit in */
/* it. Draws itself once on scroll.  */
/*-----------------------------------*/
.abt-spectrum {
  position: relative;
  max-width: 1040px;
  margin: 0 auto;
}

.abt-spectrum__poles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 10vw, 180px);
  align-items: start;
}

.abt-pole {
  display: flex;
  flex-direction: column;
  gap: 11px;
  opacity: 0;
  transition: opacity 0.7s ease, translate 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* Both poles start pulled toward the middle, then separate to open the gap */
.abt-pole--simple {
  translate: 50px 0;
}

.abt-pole--complex {
  translate: -50px 0;
  align-items: flex-end;
  text-align: right;
}

.abt-spectrum.is-on .abt-pole {
  opacity: 1;
  translate: 0 0;
}

.abt-pole__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ai-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ai-muted);
}

.abt-pole__tag i,
.abt-pole__tag svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.4;
  color: #B9B2A6;
}

.abt-pole strong {
  font-family: var(--ai-heading);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15 !important;
  color: var(--ai-ink);
}

.abt-pole ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 330px;
}

.abt-pole li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 14px;
  line-height: 1.5 !important;
  color: var(--ai-muted);
}

.abt-pole--complex li {
  flex-direction: row-reverse;
  text-align: right;
}

.abt-pole li i,
.abt-pole li svg {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  stroke-width: 3.2;
  flex-shrink: 0;
  color: var(--ai-green);
}

.abt-pole li:last-child i,
.abt-pole li:last-child svg {
  color: #C9553D;
}

/* ---- the track ---- */
.abt-spectrum__track {
  position: relative;
  height: 104px;
  margin-top: 34px;
}

.abt-spectrum__line {
  position: absolute;
  left: 0;
  right: 0;
  top: 21px;
  height: 2px;
  background: linear-gradient(90deg,
      var(--ai-line) 0%,
      rgba(var(--ai-primary-rgb), 0.5) 34%,
      rgba(var(--ai-primary-rgb), 0.5) 66%,
      var(--ai-line) 100%);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 1s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.abt-spectrum.is-on .abt-spectrum__line {
  transform: scaleX(1);
}

/* The label sits on the track and knocks the line out behind itself, rather
   than boxing the space in an outline the line then shows through */
.abt-spectrum__zone {
  position: absolute;
  left: 50%;
  top: 7px;
  translate: -50% 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  padding: 0 22px;
  background: var(--ai-paper);
  opacity: 0;
  transition: opacity 0.5s ease 0.45s;
}

.abt-spectrum.is-on .abt-spectrum__zone {
  opacity: 1;
}

.abt-spectrum__zone em {
  font-family: var(--ai-mono);
  font-style: normal;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ai-primary);
}

.abt-spectrum__dot {
  position: absolute;
  top: 15px;
  width: 14px;
  height: 14px;
  background: #FFF;
  border: 2px solid var(--ai-muted);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.4s ease 0.35s;
}

.abt-spectrum.is-on .abt-spectrum__dot {
  opacity: 1;
}

.abt-spectrum__dot--l {
  left: -1px;
}

.abt-spectrum__dot--r {
  right: -1px;
}

.abt-spectrum__stem {
  position: absolute;
  left: 50%;
  top: 37px;
  width: 2px;
  height: 62px;
  margin-left: -1px;
  background: linear-gradient(180deg, rgba(var(--ai-primary-rgb), 0.5), var(--ai-primary));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.5s ease 0.75s;
}

.abt-spectrum.is-on .abt-spectrum__stem {
  transform: scaleY(1);
}

/* ---- the answer ---- */
.abt-spectrum__answer {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: min(620px, 100%);
  margin: 0 auto;
  padding: 34px 40px 38px;
  background: #FFF;
  border: 1px solid rgba(var(--ai-primary-rgb), 0.45);
  border-radius: 20px;
  box-shadow:
    0 4px 0 0 var(--ai-primary),
    0 26px 54px rgba(var(--ai-primary-rgb), 0.16);
  text-align: center;
  opacity: 0;
  translate: 0 -16px;
  transition: opacity 0.6s ease 0.9s, translate 0.6s cubic-bezier(0.22, 0.61, 0.36, 1) 0.9s;
}

.abt-spectrum.is-on .abt-spectrum__answer {
  opacity: 1;
  translate: 0 0;
}

.abt-spectrum__answer-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ai-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ai-primary-deep);
}

.abt-spectrum__answer-tag i,
.abt-spectrum__answer-tag svg {
  width: 15px;
  height: 15px;
  stroke-width: 2.4;
  color: var(--ai-primary);
}

.abt-spectrum__answer strong {
  font-family: var(--ai-heading);
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1 !important;
  color: var(--ai-ink);
}

.abt-spectrum__answer p {
  margin: 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.7 !important;
  color: var(--ai-muted);
}

.abt-spectrum__answer p em {
  font-style: normal;
  font-weight: 700;
  color: var(--ai-ink);
  box-shadow: inset 0 -0.52em 0 rgba(var(--ai-primary-rgb), 0.2);
}

/*-----------------------------------*/
/* 02 — AUDIENCE INDEX               */
/* Six audiences read as a list of   */
/* names, each opening on hover.     */
/*-----------------------------------*/
.abt-index {
  border-top: 1px solid var(--ai-line);
  margin: 0 !important;
  padding: 0;
  list-style: none;
}

.abt-index li {
  position: relative;
  display: grid;
  grid-template-columns: 46px 52px minmax(0, 1fr) minmax(0, 1.1fr) 26px;
  align-items: center;
  gap: 20px;
  padding: 22px 22px 22px 6px;
  border-bottom: 1px solid var(--ai-line);
  transition: padding 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* Hover wash, drawn behind the row so the hairlines stay put */
.abt-index li::before {
  content: "";
  position: absolute;
  inset: 0 -22px;
  z-index: 0;
  background: #FFF;
  border-radius: 14px;
  opacity: 0;
  box-shadow: 0 18px 40px rgba(20, 20, 20, 0.07);
  transition: opacity 0.3s ease;
}

.abt-index li:hover::before {
  opacity: 1;
}

.abt-index li:hover {
  padding-left: 18px;
}

.abt-index li>* {
  position: relative;
  z-index: 1;
}

.abt-index__num {
  font-family: var(--ai-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(92, 100, 112, 0.6);
  transition: color 0.25s ease;
}

.abt-index li:hover .abt-index__num {
  color: var(--ai-primary-deep);
}

.abt-index__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: #FFF;
  border: 1px solid var(--ai-line);
  border-radius: 14px;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.abt-index li:hover .abt-index__icon {
  background: var(--ai-primary);
  border-color: var(--ai-primary);
  transform: rotate(-6deg);
}

.abt-index__icon i,
.abt-index__icon svg {
  width: 23px;
  height: 23px;
  color: var(--ai-primary-deep);
  stroke-width: 2;
  transition: color 0.3s ease;
}

.abt-index li:hover .abt-index__icon i,
.abt-index li:hover .abt-index__icon svg {
  color: #FFF;
}

.abt-index__name {
  font-family: var(--ai-heading);
  font-size: clamp(22px, 2.6vw, 33px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1 !important;
  color: var(--ai-ink);
  transition: color 0.25s ease;
}

.abt-index li:hover .abt-index__name {
  color: var(--ai-primary-deep);
}

.abt-index__note {
  font-size: 15px;
  line-height: 1.6 !important;
  color: var(--ai-muted);
}

.abt-index__go {
  width: 22px;
  height: 22px;
  color: var(--ai-line);
  stroke-width: 2.4;
  opacity: 0;
  translate: -8px 6px;
  transition: opacity 0.3s ease, translate 0.35s cubic-bezier(0.22, 0.61, 0.36, 1), color 0.3s ease;
}

.abt-index li:hover .abt-index__go {
  opacity: 1;
  translate: 0 0;
  color: var(--ai-primary);
}

/*-----------------------------------*/
/* 02b — ONE PLATFORM                */
/* Three promises feeding one core.  */
/* Connectors are drawn from the     */
/* same grid as the cards, so they   */
/* stay aligned at any width.        */
/*-----------------------------------*/
.abt-one {
  --abt-one-gap: 18px;
  max-width: 960px;
  margin: clamp(56px, 7vw, 88px) auto 0;
}

.abt-one__items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--abt-one-gap);
  margin: 0 !important;
  padding: 0;
  list-style: none;
}

.abt-one__items li {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 24px 24px 26px;
  background: #FFF;
  border: 1px solid var(--ai-line);
  border-radius: 15px;
}

.abt-one__items li i,
.abt-one__items li svg {
  width: 22px;
  height: 22px;
  color: var(--ai-primary-deep);
  stroke-width: 2;
}

.abt-one__items li strong {
  font-family: var(--ai-heading);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25 !important;
  color: var(--ai-ink);
}

.abt-one__items li span {
  font-size: 13.5px;
  line-height: 1.55 !important;
  color: var(--ai-muted);
}

.abt-one__merge {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--abt-one-gap);
  height: 62px;
}

.abt-one__merge span {
  position: relative;
}

.abt-one__merge span::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 20px;
  margin-left: -1px;
  background: rgba(var(--ai-primary-rgb), 0.45);
}

/* Half-bars reaching into the gutters from the outer two cards... */
.abt-one__merge span:first-child::after,
.abt-one__merge span:last-child::after {
  content: "";
  position: absolute;
  top: 19px;
  height: 2px;
  background: rgba(var(--ai-primary-rgb), 0.45);
}

.abt-one__merge span:first-child::after {
  left: 50%;
  right: calc(var(--abt-one-gap) / -2);
}

.abt-one__merge span:last-child::after {
  right: 50%;
  left: calc(var(--abt-one-gap) / -2);
}

/* ...and a full bar across the middle card, meeting them mid-gutter */
.abt-one__merge span:nth-child(2)::after {
  content: "";
  position: absolute;
  top: 19px;
  left: calc(var(--abt-one-gap) / -2);
  right: calc(var(--abt-one-gap) / -2);
  height: 2px;
  background: rgba(var(--ai-primary-rgb), 0.45);
}

/* The drop into the core sits on the container's centre line, which is exactly
   the middle column's centre while the grid has three equal tracks */
.abt-one__merge::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 20px;
  width: 2px;
  height: 42px;
  margin-left: -1px;
  background: linear-gradient(180deg, rgba(var(--ai-primary-rgb), 0.45), var(--ai-primary));
}

.abt-one__core {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: min(520px, 100%);
  margin: 0 auto;
  padding: 22px 30px;
  background: var(--ai-ink);
  border-radius: 16px;
  box-shadow: 0 4px 0 0 var(--ai-primary), 0 22px 46px rgba(20, 20, 20, 0.16);
  text-align: center;
}

.abt-one__core i,
.abt-one__core svg {
  width: 26px;
  height: 26px;
  color: var(--ai-primary);
  stroke-width: 2;
  flex-shrink: 0;
}

.abt-one__core strong {
  font-family: var(--ai-heading);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2 !important;
  color: #FFF;
}

.abt-one__core span {
  font-family: var(--ai-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.6);
}

/*-----------------------------------*/
/* 03 — THE ERA STAGE                */
/* The page's centrepiece. The stage */
/* pins to the viewport and the      */
/* three eras take it over in turn   */
/* as the reader scrolls the tall    */
/* section around it. Scroll         */
/* position -> active era is worked  */
/* out in about-us.js.               */
/*-----------------------------------*/
.abt-stage {
  position: relative;
  height: 320vh;
  background: var(--ai-ink);
}

.abt-stage__pin {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
}

/* Grid texture + a soft orange wash from the side the scenes sit on */
.abt-stage__pin::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 44% 52% at 76% 46%, rgba(var(--ai-primary-rgb), 0.13), transparent 70%),
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
  pointer-events: none;
}

.abt-stage__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: clamp(18px, 3vh, 34px);
  height: 100%;
  padding: clamp(92px, 12vh, 122px) 0 clamp(34px, 5vh, 52px);
}

.abt-stage__head {
  text-align: center;
}

.abt-stage__head h2 {
  margin: 14px auto 0;
  max-width: 18ch;
  font-family: var(--ai-heading);
  font-size: clamp(28px, 3.4vw, 46px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05 !important;
  color: #FFF;
}

.abt-stage__head h2 em {
  font-style: normal;
  color: var(--ai-primary);
}

.abt-stage__head p {
  margin: 16px auto 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.7 !important;
  color: rgba(255, 255, 255, 0.66);
}

.abt-stage__head p strong {
  color: #FFF;
}

.abt-stage__body {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  /* Stretch, not centre: the copy column has to fill the row so the tallest
     era's contents centre inside it instead of spilling onto the rail below */
  align-items: stretch;
  gap: clamp(30px, 5vw, 72px);
  min-height: 0;
}

/* ---- era copy, crossfading in place ---- */
.abt-stage__copy {
  position: relative;
  min-height: 300px;
}

.abt-era {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  opacity: 0;
  translate: 0 26px;
  pointer-events: none;
  transition: opacity 0.5s ease, translate 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.abt-era.is-active {
  opacity: 1;
  translate: 0 0;
  pointer-events: auto;
}

.abt-era__when {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ai-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--ai-primary);
}

.abt-era__when::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--ai-primary);
}

.abt-era h3 {
  margin: 16px 0 0;
  font-family: var(--ai-heading);
  font-size: clamp(28px, 3.6vw, 46px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02 !important;
  color: #FFF;
}

.abt-era p {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 17px;
  line-height: 1.7 !important;
  color: rgba(255, 255, 255, 0.72);
}

.abt-era__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0 !important;
  padding: 0;
  list-style: none;
}

.abt-era__tags li {
  padding: 7px 13px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--ai-line-dark);
  border-radius: 999px;
  font-family: var(--ai-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.85);
}

.abt-era .ai-arrow-link {
  margin-top: 24px;
}

/* The stage is ink but is not an .ai-section--dark, so the shared arrow link
   would otherwise stay ink-on-ink here */
.abt-stage .ai-arrow-link {
  color: #FFF !important;
  border-bottom-color: rgba(var(--ai-primary-rgb), 0.5);
}

.abt-stage .ai-arrow-link:hover,
.abt-stage .ai-arrow-link:focus {
  color: var(--ai-primary) !important;
  border-bottom-color: var(--ai-primary);
}

/* ---- scenes: where the software lived in each era ---- */
.abt-stage__scenes {
  position: relative;
  align-self: center;
  width: 100%;
  height: min(44vh, 380px);
  min-height: 280px;
}

.abt-scene {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  opacity: 0;
  scale: 0.94;
  pointer-events: none;
  transition: opacity 0.55s ease, scale 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.abt-scene.is-active {
  opacity: 1;
  scale: 1;
}

.abt-scene__label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--ai-line-dark);
  border-radius: 999px;
  font-family: var(--ai-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.abt-scene__label i,
.abt-scene__label svg {
  width: 14px;
  height: 14px;
  color: var(--ai-primary);
  stroke-width: 2.4;
}

/* Scene 1 — one server room */
.abt-rack {
  display: flex;
  flex-direction: column;
  gap: 9px;
  width: min(330px, 100%);
  padding: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--ai-line-dark);
  border-radius: 16px;
}

.abt-rack__unit {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 10px;
}

.abt-rack__unit i,
.abt-rack__unit svg {
  width: 17px;
  height: 17px;
  color: rgba(255, 255, 255, 0.6);
  stroke-width: 2;
  flex-shrink: 0;
}

.abt-rack__unit em {
  font-family: var(--ai-mono);
  font-style: normal;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
}

.abt-rack__unit b {
  width: 7px;
  height: 7px;
  margin-left: auto;
  border-radius: 50%;
  background: var(--ai-green);
  animation: ai-pulse 2.4s ease-in-out infinite;
}

.abt-rack__unit:nth-child(2) b {
  animation-delay: 0.5s;
}

.abt-rack__unit:nth-child(3) b {
  animation-delay: 1s;
}

.abt-rack__unit--off b {
  background: rgba(255, 255, 255, 0.22);
  animation: none;
}

/* Scene 2 — one database, reachable from anywhere */
.abt-cloud {
  position: relative;
  width: min(340px, 100%);
  aspect-ratio: 340 / 262;
}

.abt-cloud__wires {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.abt-cloud__wires path {
  stroke: rgba(var(--ai-primary-rgb), 0.45);
  stroke-width: 1.5;
  stroke-dasharray: 5 8;
  animation: abt-wire 1.4s linear infinite;
}

@keyframes abt-wire {
  to {
    stroke-dashoffset: -26;
  }
}

.abt-cloud__core {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 18px 22px;
  background: var(--ai-ink);
  border: 1px solid rgba(var(--ai-primary-rgb), 0.5);
  border-radius: 16px;
  box-shadow: 0 4px 0 0 var(--ai-primary), 0 18px 40px rgba(0, 0, 0, 0.45);
}

.abt-cloud__core i,
.abt-cloud__core svg {
  width: 26px;
  height: 26px;
  color: var(--ai-primary);
  stroke-width: 2;
}

.abt-cloud__core em {
  font-family: var(--ai-heading);
  font-style: normal;
  font-size: 13px;
  font-weight: 800;
  color: #FFF;
  white-space: nowrap;
}

.abt-cloud__sat {
  position: absolute;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--ai-line-dark);
  border-radius: 999px;
  font-family: var(--ai-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
  animation: ai-float 5s ease-in-out infinite;
}

.abt-cloud__sat i,
.abt-cloud__sat svg {
  width: 13px;
  height: 13px;
  color: var(--ai-primary);
  stroke-width: 2.4;
}

.abt-cloud__sat--1 {
  left: 0;
  top: 4%;
}

.abt-cloud__sat--2 {
  right: 0;
  top: 4%;
  animation-delay: 0.7s;
}

.abt-cloud__sat--3 {
  left: 0;
  bottom: 4%;
  animation-delay: 1.4s;
}

.abt-cloud__sat--4 {
  right: 0;
  bottom: 4%;
  animation-delay: 2.1s;
}

/* Scene 3 — Digital Workers around an operational core */
.abt-core {
  position: relative;
  display: grid;
  place-items: center;
  width: min(300px, 76vw);
  aspect-ratio: 1;
}

.abt-core__ring {
  position: absolute;
  inset: 6%;
  border: 1px solid rgba(var(--ai-primary-rgb), 0.34);
  border-radius: 50%;
  animation: abt-ring 3.4s ease-out infinite;
}

.abt-core__ring--2 {
  inset: 22%;
  animation-delay: 1.2s;
}

@keyframes abt-ring {
  0% {
    transform: scale(0.86);
    opacity: 0;
  }

  35% {
    opacity: 0.9;
  }

  100% {
    transform: scale(1.1);
    opacity: 0;
  }
}

.abt-core__hub {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 20px 24px;
  background: var(--ai-ink);
  border: 1px solid rgba(var(--ai-primary-rgb), 0.55);
  border-radius: 18px;
  box-shadow: 0 4px 0 0 var(--ai-primary), 0 20px 44px rgba(0, 0, 0, 0.45);
}

.abt-core__hub i,
.abt-core__hub svg {
  width: 28px;
  height: 28px;
  color: var(--ai-primary);
  stroke-width: 2;
}

.abt-core__hub em {
  font-family: var(--ai-heading);
  font-style: normal;
  font-size: 13px;
  font-weight: 800;
  color: #FFF;
  white-space: nowrap;
}

/* The orbit spins; each worker counter-spins so it stays upright */
.abt-core__orbit {
  position: absolute;
  inset: 0;
  animation: abt-orbit 26s linear infinite;
}

.abt-core__worker {
  position: absolute;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background: rgba(var(--ai-primary-rgb), 0.14);
  border: 1px solid rgba(var(--ai-primary-rgb), 0.45);
  border-radius: 14px;
  /* Centred on its point of the circle with the `translate` property, so the
     counter-spin below is free to own `transform` without displacing it */
  translate: -50% -50%;
  animation: abt-orbit 26s linear infinite reverse;
}

.abt-core__worker i,
.abt-core__worker svg {
  width: 21px;
  height: 21px;
  color: var(--ai-primary);
  stroke-width: 2;
}

/* Six workers every 60 degrees around the hub, on a circle of radius 40% of
   the (square) scene: left = 50 + 40·sin0, top = 50 - 40·cos0 */
.abt-core__worker:nth-child(1) {
  left: 50%;
  top: 10%;
}

.abt-core__worker:nth-child(2) {
  left: 84.64%;
  top: 30%;
}

.abt-core__worker:nth-child(3) {
  left: 84.64%;
  top: 70%;
}

.abt-core__worker:nth-child(4) {
  left: 50%;
  top: 90%;
}

.abt-core__worker:nth-child(5) {
  left: 15.36%;
  top: 70%;
}

.abt-core__worker:nth-child(6) {
  left: 15.36%;
  top: 30%;
}

@keyframes abt-orbit {
  to {
    transform: rotate(360deg);
  }
}

/* ---- progress rail ---- */
.abt-stage__rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0 !important;
  padding: 0;
  list-style: none;
}

.abt-stage__rail button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  width: 100%;
  padding: 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
}

.abt-stage__bar {
  display: block;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  overflow: hidden;
}

.abt-stage__bar em {
  display: block;
  width: calc(var(--abt-fill, 0) * 100%);
  height: 100%;
  background: var(--ai-primary);
  border-radius: 999px;
}

.abt-stage__when {
  font-family: var(--ai-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.3s ease;
}

.abt-stage__what {
  font-family: var(--ai-heading);
  font-size: 14.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.3s ease;
}

.abt-stage__rail li.is-active .abt-stage__when {
  color: var(--ai-primary);
}

.abt-stage__rail li.is-active .abt-stage__what,
.abt-stage__rail button:hover .abt-stage__what {
  color: #FFF;
}

/*-----------------------------------*/
/* 04 — PARTNERS FOR THE LONG RUN    */
/*-----------------------------------*/
.abt-partners {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
}

.abt-partners__media {
  position: relative;
  margin: 0;
}

.abt-partners__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 34px 70px rgba(20, 20, 20, 0.18);
}

.abt-partners__media figcaption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border-radius: 12px;
  font-family: var(--ai-heading);
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ai-ink);
}

/* Keeps the caption inside the part of the photograph the copy panel does not
   cover, once the two overlap */
@media (min-width: 1024px) {
  .abt-partners__media figcaption {
    right: auto;
    max-width: 78%;
  }
}

.abt-partners__media figcaption i,
.abt-partners__media figcaption svg {
  width: 20px;
  height: 20px;
  color: var(--ai-primary);
  stroke-width: 2.2;
  flex-shrink: 0;
}

/* The copy panel overlaps the photograph rather than sitting beside it */
.abt-partners__copy {
  position: relative;
  z-index: 1;
  margin-left: -72px;
  padding: clamp(34px, 4vw, 52px);
  background: #FFF;
  border-radius: 22px;
  box-shadow: 0 30px 70px rgba(20, 20, 20, 0.1);
}

.abt-partners__copy p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.75 !important;
  color: var(--ai-muted);
}

.abt-partners__lede {
  font-size: 18.5px !important;
  font-weight: 600;
  color: var(--ai-ink) !important;
}

.abt-partners__copy .abt-display {
  margin-bottom: 22px;
}

.abt-partners__copy .ai-checklist {
  margin-top: 22px;
}

/*-----------------------------------*/
/* 04b — THE JOURNEY, CLIMBING       */
/* Five stages that step upward, each */
/* card's top bar filling further     */
/* along the path.                    */
/*-----------------------------------*/
.abt-path {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
  gap: 14px;
  margin: clamp(62px, 8vw, 96px) 0 0 !important;
  padding: 0;
  list-style: none;
}

.abt-path__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 26px 20px 22px;
  background: #FFF;
  border: 1px solid var(--ai-line);
  border-radius: 16px;
  box-shadow: 0 14px 30px rgba(20, 20, 20, 0.05);
  /* The climb. Kept on `transform` so the shared reveal, which moves elements
     with `translate`, can run on the same element without fighting it. */
  transform: translateY(calc(var(--ai-i, 0) * -14px));
  opacity: 0;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.abt-path.is-on .abt-path__step {
  animation: ai-reveal-up 0.6s cubic-bezier(0.22, 0.61, 0.36, 1) both;
  animation-delay: calc(var(--ai-i, 0) * 110ms);
}

.abt-path__step:hover {
  transform: translateY(calc(var(--ai-i, 0) * -14px - 5px));
  border-color: rgba(var(--ai-primary-rgb), 0.45);
  box-shadow: 0 20px 40px rgba(20, 20, 20, 0.09);
}

.abt-path__step::before,
.abt-path__step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 4px;
}

.abt-path__step::before {
  width: 100%;
  background: var(--ai-line);
}

.abt-path__step::after {
  width: calc((var(--ai-i, 0) + 1) * 20%);
  background: linear-gradient(90deg, var(--ai-primary-deep), var(--ai-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
  transition-delay: calc(var(--ai-i, 0) * 110ms + 250ms);
}

.abt-path.is-on .abt-path__step::after {
  transform: scaleX(1);
}

.abt-path__num {
  font-family: var(--ai-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ai-primary-deep);
}

.abt-path__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--ai-cream);
  border: 1px solid var(--ai-line);
  border-radius: 12px;
}

.abt-path__icon i,
.abt-path__icon svg {
  width: 20px;
  height: 20px;
  color: var(--ai-primary-deep);
  stroke-width: 2;
}

.abt-path__step strong {
  font-family: var(--ai-heading);
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25 !important;
  color: var(--ai-ink);
}

.abt-path__note {
  font-size: 13.5px;
  line-height: 1.55 !important;
  color: var(--ai-muted);
}

/* The stage the whole page has been walking toward */
.abt-path__step--last {
  background: var(--ai-ink);
  border-color: var(--ai-ink);
}

.abt-path__step--last::before {
  background: rgba(255, 255, 255, 0.16);
}

.abt-path__step--last .abt-path__num {
  color: var(--ai-primary);
}

.abt-path__step--last .abt-path__icon {
  background: rgba(var(--ai-primary-rgb), 0.16);
  border-color: rgba(var(--ai-primary-rgb), 0.42);
}

.abt-path__step--last .abt-path__icon i,
.abt-path__step--last .abt-path__icon svg {
  color: var(--ai-primary);
}

.abt-path__step--last strong {
  color: #FFF;
}

.abt-path__step--last .abt-path__note {
  color: rgba(255, 255, 255, 0.68);
}

.abt-advisor {
  margin-top: clamp(56px, 7vw, 82px);
}

/*-----------------------------------*/
/* 05 — PRINCIPLES                   */
/* Hairline grid, no boxes: the      */
/* values read as a set, not as six  */
/* separate products.                */
/*-----------------------------------*/
.abt-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ai-line);
  margin: 0 !important;
  padding: 0;
  list-style: none;
}

.abt-principles li {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 11px;
  padding: 32px 30px 38px;
  border-right: 1px solid var(--ai-line);
  border-bottom: 1px solid var(--ai-line);
  transition: background 0.3s ease;
}

.abt-principles li:nth-child(3n) {
  border-right: 0;
}

.abt-principles li:hover {
  background: #FFF;
}

/* Orange edge that draws in from the left on hover */
.abt-principles li::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--ai-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.abt-principles li:hover::after {
  transform: scaleX(1);
}

.abt-principles__num {
  font-family: var(--ai-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(92, 100, 112, 0.55);
  transition: color 0.3s ease;
}

.abt-principles li:hover .abt-principles__num {
  color: var(--ai-primary-deep);
}

.abt-principles li>i,
.abt-principles li>svg {
  width: 26px;
  height: 26px;
  color: var(--ai-primary-deep);
  stroke-width: 1.9;
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.abt-principles li:hover>i,
.abt-principles li:hover>svg {
  transform: translateY(-3px);
}

.abt-principles li strong {
  font-family: var(--ai-heading);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2 !important;
  color: var(--ai-ink);
}

.abt-principles li>span:last-child {
  font-size: 14.5px;
  line-height: 1.6 !important;
  color: var(--ai-muted);
}

/*-----------------------------------*/
/* 05b — THE GUIDING QUESTION        */
/* Full-bleed band closing the       */
/* culture chapter.                  */
/*-----------------------------------*/
.abt-manifesto {
  position: relative;
  margin: clamp(70px, 8vw, 104px) 0 0;
  padding: clamp(72px, 9vw, 116px) 0;
  /* Paper, not ink: it closes a cream section and hands straight over to the
     mission chapter, which is dark */
  background: var(--ai-paper);
  overflow: hidden;
}

.abt-manifesto::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 50% 70% at 82% 30%, rgba(var(--ai-primary-rgb), 0.09), transparent 70%),
    linear-gradient(rgba(20, 20, 20, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 20, 20, 0.045) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  pointer-events: none;
}

.abt-manifesto .ai-wrap {
  position: relative;
  z-index: 1;
}

.abt-manifesto__mark {
  position: absolute;
  top: -58px;
  left: -26px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 190px;
  line-height: 1;
  color: rgba(var(--ai-primary-rgb), 0.24);
  pointer-events: none;
}

.abt-manifesto blockquote {
  position: relative;
  margin: 0;
  padding: 0;
  border: 0;
  max-width: 30ch;
  font-family: var(--ai-heading);
  font-size: clamp(30px, 5.2vw, 66px);
  text-wrap: balance;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.06 !important;
  color: var(--ai-ink);
}

.abt-manifesto blockquote em {
  font-style: normal;
  color: var(--ai-primary);
}

.abt-manifesto figcaption {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--ai-line);
  font-family: var(--ai-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--ai-muted);
}

.abt-manifesto figcaption i,
.abt-manifesto figcaption svg {
  width: 17px;
  height: 17px;
  color: var(--ai-primary-deep);
  stroke-width: 2.2;
  flex-shrink: 0;
}

/*-----------------------------------*/
/* 06 — MISSION                      */
/*-----------------------------------*/
/* Follows the manifesto band, which is also ink — the hairline keeps the two
   chapters from reading as one undifferentiated dark stretch */
.abt-mission-section {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.abt-mission {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(36px, 5vw, 72px);
}

/* Leads the chapter at full width, so both lines hold without orphaning */
.abt-mission__title {
  max-width: 36ch;
  margin-bottom: clamp(38px, 5vw, 62px);
  color: #FFF;
}

.abt-mission__copy p {
  margin: 0;
  max-width: 54ch;
  font-size: 17px;
  line-height: 1.75 !important;
  color: rgba(255, 255, 255, 0.72) !important;
}

.abt-mission__points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0 !important;
}

.abt-mission__points li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--ai-line-dark);
  border-radius: 999px;
  font-family: var(--ai-heading);
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.2 !important;
  color: #FFF;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.abt-mission__points li:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(var(--ai-primary-rgb), 0.5);
}

.abt-mission__points li i,
.abt-mission__points li svg {
  width: 17px;
  height: 17px;
  color: var(--ai-primary);
  stroke-width: 2.2;
  flex-shrink: 0;
}

/* The three approved closing lines, arriving one at a time */
.abt-statement {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(32px, 4vw, 46px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--ai-line-dark);
  border-radius: 22px;
  box-shadow: 0 4px 0 0 rgba(var(--ai-primary-rgb), 0.55);
}

.abt-statement p {
  margin: 0;
  font-family: var(--ai-heading);
  font-size: clamp(21px, 2.6vw, 32px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15 !important;
  color: #FFF;
}

.abt-statement p em {
  font-style: normal;
  color: var(--ai-primary);
}

.abt-closing {
  max-width: 880px;
  margin: clamp(56px, 7vw, 84px) auto 0 !important;
  padding-top: 34px;
  border-top: 1px dashed var(--ai-line-dark);
  font-size: 16px;
  line-height: 1.8 !important;
  text-align: center;
  color: rgba(255, 255, 255, 0.62) !important;
}

/*-----------------------------------*/
/* FAQ TAIL                          */
/*-----------------------------------*/
.abt-quoteband {
  margin-top: clamp(48px, 6vw, 72px);
}

/*-----------------------------------*/
/* RESPONSIVE                        */
/*-----------------------------------*/
/* Short laptops: the stage drops its intro paragraph rather than squeezing
   the scene it is introducing */
@media (max-height: 780px) and (min-width: 900px) {
  .abt-stage__head p {
    display: none;
  }

  .abt-stage__scenes {
    min-height: 220px;
  }
}

@media (max-width: 1279px) {
  .abt-index li {
    grid-template-columns: 40px 48px minmax(0, 1fr) minmax(0, 1fr) 22px;
    gap: 16px;
  }

  .abt-path {
    gap: 12px;
  }

  .abt-path__step {
    padding: 24px 16px 20px;
  }

  .abt-partners__copy {
    margin-left: -40px;
    padding: 34px;
  }
}

@media (max-width: 1023px) {
  .abt-intro {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 22px;
    margin-bottom: 48px;
  }

  .abt-hero__foot .abt-trust {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .abt-trust li:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .abt-trust li:nth-child(n + 3) {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .abt-hero__media img {
    width: 100%;
    object-position: 62% 34%;
    /* Behind the copy rather than beside it, so it drops back to a texture */
    filter: grayscale(0.5) contrast(1.05) brightness(0.45);
    -webkit-mask-image: none;
    mask-image: none;
  }

  .abt-hero__media::before {
    background: linear-gradient(180deg,
        rgba(20, 20, 20, 0.86) 0%,
        rgba(20, 20, 20, 0.7) 34%,
        rgba(20, 20, 20, 0.8) 68%,
        var(--ai-ink) 100%);
  }

  .abt-partners {
    grid-template-columns: 1fr;
  }

  .abt-partners__media {
    max-width: 520px;
  }

  .abt-partners__copy {
    margin: -60px 0 0 40px;
  }

  .abt-principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .abt-principles li:nth-child(3n) {
    border-right: 1px solid var(--ai-line);
  }

  .abt-principles li:nth-child(2n) {
    border-right: 0;
  }

  .abt-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .abt-path__step,
  .abt-path__step:hover {
    transform: none;
  }

  .abt-mission {
    grid-template-columns: 1fr;
  }
}

/* Below this width the stage stops pinning and the eras simply stack */
@media (max-width: 899px) {
  .abt-stage {
    height: auto;
  }

  .abt-stage__pin {
    position: static;
    height: auto;
    min-height: 0;
  }

  .abt-stage__inner {
    display: block;
    height: auto;
    padding: clamp(72px, 10vw, 110px) 0;
  }

  .abt-stage__body {
    display: block;
    margin-top: 34px;
  }

  .abt-stage__copy {
    position: static;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .abt-era {
    position: static;
    opacity: 1;
    translate: none;
    pointer-events: auto;
    padding: 26px 24px 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--ai-line-dark);
    border-radius: 18px;
  }

  .abt-era:last-child {
    border-color: rgba(var(--ai-primary-rgb), 0.4);
    background: rgba(var(--ai-primary-rgb), 0.07);
  }

  .abt-stage__scenes,
  .abt-stage__rail {
    display: none;
  }
}

@media (max-width: 767px) {
  .abt-hero__foot .abt-trust {
    grid-template-columns: 1fr;
  }

  .abt-trust li {
    padding: 18px 0;
    border-left: 0;
  }

  .abt-trust li+li {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* The spectrum becomes a stack: simple, complex, then the answer */
  .abt-spectrum__poles {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .abt-pole--complex {
    align-items: flex-start;
    text-align: left;
  }

  .abt-pole--complex li {
    flex-direction: row;
    text-align: left;
  }

  .abt-pole--simple,
  .abt-pole--complex,
  .abt-spectrum.is-on .abt-pole {
    translate: 0 0;
  }

  .abt-spectrum__track {
    height: 74px;
    margin-top: 26px;
  }

  .abt-spectrum__zone {
    padding: 0 14px;
  }

  .abt-spectrum__stem {
    height: 34px;
  }

  .abt-spectrum__answer {
    padding: 28px 24px 30px;
  }

  /* Index rows stack their note under the name */
  .abt-index li,
  .abt-index li:hover {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 6px 14px;
    padding: 20px 0;
  }

  .abt-index__icon {
    display: none;
  }

  .abt-index__note {
    grid-column: 2;
    font-size: 14px;
  }

  .abt-index__go {
    display: none;
  }

  .abt-index li::before {
    display: none;
  }

  .abt-one__items,
  .abt-path,
  .abt-principles {
    grid-template-columns: 1fr;
  }

  .abt-one__merge {
    display: block;
    height: 40px;
  }

  .abt-one__merge span {
    display: none;
  }

  .abt-one__merge::after {
    top: 0;
    height: 40px;
  }

  .abt-one__core {
    flex-direction: column;
    gap: 8px;
    padding: 22px 24px;
  }

  .abt-principles li,
  .abt-principles li:nth-child(3n),
  .abt-principles li:nth-child(2n) {
    border-right: 0;
    padding: 26px 0 30px;
  }

  .abt-partners__copy {
    margin: -40px 0 0;
    padding: 26px 22px;
  }

  .abt-manifesto__mark {
    top: -28px;
    left: -6px;
    font-size: 110px;
  }

  .abt-closing {
    text-align: left;
  }
}

/*-----------------------------------*/
/* REDUCED MOTION                    */
/* Every reveal starts finished and  */
/* the ambient loops stop; the stage */
/* still swaps eras on scroll, it    */
/* just does not animate the change. */
/*-----------------------------------*/
@media (prefers-reduced-motion: reduce) {

  .abt-line>span,
  [data-abt-fade],
  [data-abt-stagger]>* {
    opacity: 1 !important;
    translate: none !important;
    animation: none !important;
    transition: none !important;
  }

  .abt-core__ring,
  .abt-core__orbit,
  .abt-core__worker,
  .abt-cloud__sat,
  .abt-cloud__wires path,
  .abt-rack__unit b {
    animation: none !important;
  }

  .abt-hero__media img,
  .abt-hero__net {
    transition: none !important;
    translate: none !important;
  }

  .abt-pole,
  .abt-spectrum__answer {
    opacity: 1 !important;
    translate: none !important;
    transition: none !important;
  }

  .abt-spectrum__line,
  .abt-spectrum__stem,
  .abt-path__step::after,
  .abt-principles li::after {
    transform: none !important;
    transition: none !important;
  }

  .abt-spectrum__zone,
  .abt-spectrum__dot {
    opacity: 1 !important;
  }

  .abt-path__step {
    opacity: 1 !important;
    animation: none !important;
  }

  .abt-path__step:hover {
    transform: translateY(calc(var(--ai-i, 0) * -14px));
  }

  .abt-era,
  .abt-scene {
    transition: none !important;
  }
}