/* About: approved interconnect concept, with open legal reading and site typography. */
.ab-page main {
  --ab-inset: clamp(48px, 4.88vw, 75px);
  --ab-space: clamp(64px, 7.3vw, 112px);
  background: var(--surface-canvas);
  color: var(--ink);
  display: block;
  font-size: 20px;
  line-height: 1.55;
}
.ab-page main > section::before { display: none; }
.ab-page main .shell { width: min(1536px, 100%); padding-inline: var(--ab-inset); }
.ab-page main :is(h1,h2,h3,p,figure,ul,ol,dl,dd) { margin: 0; }
.ab-page main :is(h1,h2,h3) { color: var(--ink); text-wrap: balance; }
.ab-page main h2 { font-size: 34px; font-weight: 700; line-height: 1.14; letter-spacing: -.03em; }
.ab-page main h3 { font-size: 24px; font-weight: 650; line-height: 1.3; letter-spacing: -.015em; }
.ab-page main p { max-width: 75ch; color: var(--legacy-muted); text-wrap: pretty; }
.ab-page main p + p { margin-top: 20px; }
.ab-page main :is(section,[id]) { scroll-margin-top: 100px; }
.ab-page main :is(a,button):focus-visible { outline: 2px solid var(--ink); outline-offset: 5px; }
.ab-page main ::selection { color: var(--ink); background: #ffd9c7; }
.ab-page main :is(.ab-columns,.ab-register-grid,.ab-hero-grid,.ab-closing-panel) > * { min-width: 0; }
.ab-panel { background: var(--surface-raised); border-radius: 12px; box-shadow: var(--shadow-raised); }
.ab-columns { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 56px; }
.ab-section-intro { display: grid; grid-template-columns: minmax(0,1fr) var(--ab-drawing-width); gap: 48px; align-items: start; }
.ab-section-intro > * { min-width: 0; }
.ab-section-drawing { width: var(--ab-drawing-width); height: auto; justify-self: end; }
.ab-scale-drawing { width: var(--ab-phone-width); height: auto; justify-self: end; margin-right: calc(var(--ab-phone-width) * -10 / 234); transform: translateY(calc(var(--ab-phone-width) * 10.8 / 234)); }
.ab-primary { min-width: 240px; min-height: 64px; padding: 16px 28px; border-radius: 4px; font-size: 20px; font-weight: 500; }
.ab-route { display: inline-flex; align-items: center; gap: 20px; min-height: 44px; color: var(--ink); font-size: 18px; text-decoration: underline; text-decoration-color: rgb(11 17 19 / 14%); text-decoration-thickness: from-font; text-underline-offset: 8px; transition: color 160ms ease, text-decoration-color 160ms ease; }
.ab-route svg { flex: 0 0 auto; transition: transform 160ms ease; }
.ab-route:is(:hover,:focus-visible) { color: var(--brand); text-decoration-color: currentColor; }
.ab-route:is(:hover,:focus-visible) svg { transform: translateX(3px); }
.ab-route:active { transform: translateY(1px); }

.ab-hero-grid { display: grid; grid-template-columns: minmax(0,650px) minmax(0,1fr); gap: 146px; min-height: 790px; }
.ab-hero-copy { padding-block: 88px 44px; }
.ab-page main .ab-hero-title { font-size: clamp(52px, 5.47vw, 84px); font-weight: 800; line-height: 1.02; letter-spacing: -.04em; }
.ab-hero-lead { margin-top: 28px; }
.ab-hero-lead p { font-size: 22px; line-height: 1.5; }
.ab-hero-copy > .ab-primary { margin-top: 26px; }
.ab-hero-routes { display: flex; flex-wrap: wrap; gap: 20px 36px; margin-top: 18px; }
.ab-hero-routes .ab-route + .ab-route { padding-left: 36px; border-left: 1px solid var(--surface-divider); }
.ab-hero-art { min-width: 0; overflow: hidden; align-self: stretch; }
.ab-hero-art img { width: 640px; max-width: none; height: 807px; object-fit: contain; object-position: top left; }
.ab-opening-band { padding-block: 30px 28px; border-top: 1px solid var(--surface-divider); }
.ab-opening-band .ab-columns > div + div { position: relative; }
.ab-opening-band .ab-columns > div + div::before { content: ''; position: absolute; top: 0; bottom: 0; left: -28px; width: 1px; background: var(--surface-divider); }
.ab-opening-band p { font-size: 18px; }

.ab-services { padding-block: 24px 0; }
.ab-services-panel { margin: 18px -22px 0; padding: 18px 22px 10px; }
.ab-services-panel > p { max-width: none !important; font-size: 21px; }
.ab-service-rows { padding: 0; list-style: none; }
.ab-service-rows li { display: grid; grid-template-columns: 250px minmax(0,1fr); align-items: center; gap: 26px; min-width: 0; padding-block: 14px; }
.ab-service-rows li + li { border-top: 1px solid var(--surface-divider); }
.ab-service-rows img { margin-left: 20px; object-fit: contain; }
.ab-service-rows p { min-width: 0; }

.ab-infrastructure { display: grid; grid-template-columns: minmax(0,640px) minmax(0,1fr); gap: 56px; padding-block: 40px var(--ab-space); }
.ab-infrastructure-visual { min-width: 0; }
.ab-infrastructure figure { margin-top: 36px !important; }
.ab-infrastructure img { width: 100%; height: auto; }
.ab-infrastructure figcaption { margin-top: 18px; color: var(--legacy-muted); font-family: var(--font-mono, 'IBM Plex Mono', monospace); font-size: 15px; line-height: 1.5; letter-spacing: .025em; }
.ab-infrastructure .ab-prose { padding-top: 12px; min-width: 0; }
.ab-infrastructure .ab-route { margin-top: 18px; }

.ab-responsibility { --ab-drawing-width: 188px; padding-bottom: 40px; }
.ab-responsibility .ab-section-drawing { margin-right: calc(var(--ab-drawing-width) * -4.7 / 90); }
.ab-responsibility h2 + .ab-section-intro { margin-top: 24px; }
.ab-process { position: relative; margin-block: 30px 28px; }
.ab-process-stages { position: relative; display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); padding: 30px 24px 28px; list-style: none; }
.ab-process-stages::before { content: ''; position: absolute; top: 34.5px; left: 27.5px; width: calc((100% - 48px) * 6 / 7); height: 2px; background: linear-gradient(90deg, var(--brand), #ff7b32, var(--brand)); box-shadow: 0 1px 8px rgb(240 77 33 / 30%); }
.ab-process-stages li { position: relative; min-width: 0; padding: 28px 14px 0 0; color: var(--ink); font-size: 21px; font-weight: 650; line-height: 1.4; letter-spacing: -.025em; }
.ab-process-stages li::before { content: ''; position: absolute; top: 2px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--ink); }
.ab-process-bracket { display: block; position: relative; height: 16px; margin: 28px 24px 0; border: 1px solid var(--line); border-top: 0; }
.ab-process-bracket::after { content: ''; position: absolute; top: 100%; left: 50%; width: 1px; height: 8px; background: var(--line); }
.ab-page main .ab-process-note { max-width: none; margin-top: 16px; font-size: 16px; text-align: center; }

.ab-solutions { --ab-phone-width: 375px; padding-block: 34px var(--ab-space); }
.ab-solutions-heading { display: grid; grid-template-columns: minmax(0,1fr) var(--ab-phone-width); align-items: last baseline; gap: 56px; padding-top: 34px; border-top: 1px solid var(--surface-divider); }
.ab-solutions .ab-columns { margin-top: 26px; }
.ab-solutions .ab-columns > div + div { position: relative; }
.ab-solutions .ab-columns > div + div::before { content: ''; position: absolute; left: -28px; top: 0; bottom: 0; width: 1px; background: var(--surface-divider); }

.ab-connections { --ab-drawing-width: 296px; padding-bottom: 38px; }
.ab-connections .ab-section-drawing { margin-right: calc(var(--ab-drawing-width) * -5 / 164); }
.ab-connections h2 + .ab-section-intro { margin-top: 26px; }
.ab-connections .ab-columns { margin-top: 24px; }
.ab-integration-panel { padding: 24px 32px; }
.ab-plane-list { list-style: disc; padding-left: 24px; color: var(--ink); font-size: 22px; }
.ab-plane-list li { padding-left: 12px; line-height: 1.75; }
.ab-plane-list li::marker { color: var(--legacy-muted); font-size: .8em; }
.ab-connections .ab-columns + p { margin-top: 26px; }

.ab-customers { --ab-drawing-width: 354px; padding-bottom: var(--ab-space); }
.ab-customers .ab-section-drawing { align-self: end; margin-right: calc(var(--ab-drawing-width) * -4 / 205); transform: translateY(calc(20px + var(--ab-drawing-width) * 8.5 / 205)); }
.ab-customers h2 { padding-top: 34px; border-top: 1px solid var(--surface-divider); }
.ab-customers h2 + .ab-section-intro { margin-top: 18px; }
.ab-institutions { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); list-style: none; padding: 12px !important; margin-top: 20px !important; }
.ab-institutions li { position: relative; min-width: 0; padding: 18px 12px; color: var(--ink); font-size: 20px; }
.ab-institutions li:nth-child(n+5) { border-top: 1px solid var(--surface-divider); }
.ab-institutions li:not(:nth-child(4n))::after { content: ''; position: absolute; top: 12px; bottom: 12px; right: 0; width: 1px; background: var(--surface-divider); }
.ab-institutions + p { margin-top: 24px !important; }

.ab-authorization { padding-bottom: 48px; }
.ab-authorization h2 + p { margin-top: 32px; }
.ab-register-grid { display: grid; grid-template-columns: minmax(0,.36fr) minmax(0,.64fr); align-items: start; gap: 48px; margin-top: 36px; }
.ab-auth-mega > div + div { margin-top: 28px; padding-top: 28px; border-top: 1px solid var(--surface-divider); }
.ab-auth-mega dt { position: relative; isolation: isolate; width: fit-content; font-size: 120px; line-height: 1; font-weight: 800; letter-spacing: -.04em; }
.ab-auth-mega dt::after { content: ''; position: absolute; z-index: -1; left: -12px; right: -12px; bottom: -10px; height: 28px; background: radial-gradient(ellipse, color-mix(in srgb, var(--brand) 18%, transparent), transparent 72%); pointer-events: none; }
.ab-auth-mega dd { margin-top: 12px !important; color: var(--ink); font-family: 'IBM Plex Mono', monospace; font-size: 22px; line-height: 1.5; }
.ab-register { padding: 16px 30px; }
.ab-auth-rows > div { display: grid; grid-template-columns: minmax(0,.3fr) minmax(0,.7fr); gap: 30px; padding-block: 26px; }
.ab-auth-rows > div + div { border-top: 1px solid var(--surface-divider); }
.ab-auth-rows dt { align-self: center; color: var(--legacy-muted); font-family: 'IBM Plex Mono', monospace; font-size: 17px; line-height: 1.5; }
.ab-auth-rows dd { color: var(--ink); font-size: 19px; line-height: 1.55; }
.ab-authorization-band { border-top: 1px solid var(--surface-divider); padding-top: 38px; margin-top: 50px; }
.ab-authorization-band .ab-route { margin-top: 16px; }

.ab-certificates { padding-block: 24px var(--ab-space); }
.ab-certificates h2 + p { margin-top: 24px; }
.ab-docs-shelf { display: grid; grid-template-columns: 1.08fr repeat(4,minmax(0,1fr)); gap: 30px 36px; padding: 0; margin-top: 30px !important; list-style: none; }
.ab-docs-shelf li { min-width: 0; }
.ab-doc-card { display: block; height: 100%; text-decoration: none; }
.ab-doc-frame { display: flex; align-items: center; height: 370px; }
.ab-doc-frame img { width: 100%; height: auto; max-height: 100%; object-fit: contain; box-shadow: var(--shadow-lifted); transition: transform 160ms ease; }
.ab-doc-standard { display: block; margin-top: 12px; font-size: 22px; line-height: 1.3; font-weight: 700; letter-spacing: -.025em; }
.ab-doc-scope { display: block; margin-top: 3px; color: var(--legacy-muted); font-size: 16px; line-height: 1.5; text-wrap: pretty; }
.ab-doc-card:is(:hover,:focus-visible) .ab-doc-frame img { transform: translateY(-3px); }
.ab-doc-card:is(:hover,:focus-visible) .ab-doc-standard { color: var(--brand); }
.ab-doc-card:active .ab-doc-frame img { transform: translateY(0); }

.ab-approach { display: grid; grid-template-columns: minmax(0,.42fr) minmax(0,.58fr); gap: 50px; padding-block: 30px 68px; }
.ab-approach-heading { display: flex; align-items: center; align-self: start; gap: 16px; padding-top: 24px; }
.ab-sketch { display: block; flex: none; height: auto; pointer-events: none; }
.ab-sketch-spiral { width: 56px; }
.ab-approach .ab-prose p:first-child { font-weight: 600; }
.ab-closing { padding-block: 36px var(--ab-space); }
.ab-closing-panel { display: grid; grid-template-columns: minmax(0,.46fr) minmax(0,.54fr); gap: 68px; padding: 48px; }
.ab-closing-copy { display: flex; flex-direction: column; justify-content: space-between; gap: 56px; }
.ab-closing-actions { position: relative; display: flex; align-items: center; flex-wrap: wrap; gap: 28px; }
.ab-sketch-arrow { position: absolute; top: -36px; left: 200px; width: 90px; transform: rotate(-15deg) scaleX(-1); }
.ab-closing-panel .ab-prose { position: relative; padding-block: 20px; }
.ab-closing-panel .ab-prose::before { content: ''; position: absolute; left: -34px; top: 0; bottom: 0; width: 1px; background: var(--surface-divider); }

.ab-law { display: grid; grid-template-columns: minmax(0,330px) minmax(0,1fr); gap: 96px; padding-bottom: var(--ab-space); }
.ab-law-sidebar { min-width: 0; align-self: start; position: sticky; top: 100px; }
.ab-legal-toc { margin-top: 40px; }
.ab-legal-toc ul { padding: 0; list-style: none; }
.ab-legal-toc li + li { margin-top: 12px; }
.ab-legal-toc a { display: flex; align-items: center; min-height: 44px; color: var(--legacy-muted); font-size: 16px; line-height: 1.5; text-decoration: none; transition: color 160ms ease; }
.ab-legal-toc a:is(:hover,:focus-visible,:active) { color: var(--brand); text-decoration: underline; text-underline-offset: 5px; }
.ab-law-text { min-width: 0; max-width: 75ch; }
.ab-law-text > h2 { margin-bottom: 28px !important; }
.ab-law-text .ab-legal-block + .ab-legal-block { margin-top: 44px; }
.ab-legal-block h3 { margin-bottom: 18px !important; }
.ab-law-text p { font-size: 18px; line-height: 1.6; text-wrap: wrap !important; overflow-wrap: break-word; }
.ab-legal-block p + p { margin-top: 18px !important; }
.ab-legal-block ul { margin-block: 18px !important; padding-left: 22px; color: var(--legacy-muted); font-size: 18px; line-height: 1.6; }
.ab-legal-block li + li { margin-top: 10px; }
.ab-legal-block li ul { margin-block: 12px !important; }
.ab-legal-block a { text-decoration-thickness: from-font; text-underline-offset: 4px; }
.ab-legal-block a:is(:hover,:focus-visible) { color: var(--brand); }
.ab-policy { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--surface-divider); }
.ab-policy h2 { margin-bottom: 24px !important; }

@media (min-width: 701px) and (max-width: 1180px) {
  .ab-page main { --ab-inset: 48px; font-size: 18px; }
  .ab-hero-grid { grid-template-columns: minmax(0,1.18fr) minmax(0,1fr); gap: 30px; min-height: 650px; }
  .ab-hero-copy { padding-top: 60px; }
  .ab-page main .ab-hero-title { font-size: clamp(44px,5.1vw,60px); }
  .ab-hero-lead p { font-size: 18px; }
  .ab-hero-art img { width: 100%; height: 650px; object-fit: cover; }
  .ab-hero-routes { gap: 8px 20px; }
  .ab-hero-routes .ab-route + .ab-route { border-left: 0; padding-left: 0; }
  .ab-columns { gap: 40px; }
  .ab-responsibility { --ab-drawing-width: 160px; }
  .ab-connections { --ab-drawing-width: 252px; }
  .ab-customers { --ab-drawing-width: 301px; }
  .ab-solutions { --ab-phone-width: 319px; }
  .ab-solutions-heading { gap: 40px; }
  .ab-service-rows li { grid-template-columns: 200px minmax(0,1fr); gap: 20px; }
  .ab-infrastructure { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 40px; }
  .ab-process-stages { padding-inline: 20px; }
  .ab-process-stages::before { left: 23.5px; width: calc((100% - 40px) * 6 / 7); }
  .ab-process-stages li { font-size: 16px; padding-right: 12px; }
  .ab-register-grid { grid-template-columns: minmax(0,.34fr) minmax(0,.66fr); gap: 32px; }
  .ab-auth-mega dt { font-size: 92px; }
  .ab-auth-mega dd { font-size: 18px; }
  .ab-register { padding-inline: 24px; }
  .ab-auth-rows > div { gap: 20px; }
  .ab-auth-rows dt { font-size: 14px; }
  .ab-auth-rows dd { font-size: 17px; }
  .ab-docs-shelf { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 28px; }
  .ab-doc-frame { height: 290px; }
  .ab-doc-standard { font-size: 20px; }
  .ab-closing-panel { padding: 36px; gap: 48px; }
  .ab-law { grid-template-columns: minmax(0,240px) minmax(0,1fr); gap: 48px; }
}
@media (max-width: 700px) {
  .ab-page main { --ab-inset: 20px; --ab-space: 64px; font-size: 16px; }
  .ab-page main h2 { font-size: 28px; line-height: 1.2; }
  .ab-page main h3 { font-size: 22px; line-height: 1.4; }
  .ab-columns,.ab-infrastructure,.ab-register-grid,.ab-approach,.ab-closing-panel,.ab-law { grid-template-columns: minmax(0,1fr); gap: 24px; }
  .ab-section-intro { grid-template-columns: minmax(0,1fr); gap: 20px; }
  .ab-responsibility { --ab-drawing-width: 67.5px; }
  .ab-connections { --ab-drawing-width: 123px; }
  .ab-customers { --ab-drawing-width: 153.75px; }
  .ab-solutions { --ab-phone-width: 97.5%; }
  .ab-section-intro .ab-section-drawing { grid-row: 1; justify-self: start; align-self: start; margin-right: 0; transform: none; }
  .ab-scale-drawing { justify-self: start; margin-right: 0; transform: none; }
  .ab-solutions-heading { grid-template-columns: minmax(0,1fr); align-items: start; gap: 20px; }
  .ab-primary { min-width: 0; min-height: 52px; font-size: 18px; padding: 12px 24px; }
  .ab-route { font-size: 16px; gap: 14px; }
  .ab-hero-grid { grid-template-columns: minmax(0,1fr); gap: 0; min-height: 0; }
  .ab-hero-copy { padding-block: 44px 30px; }
  .ab-page main .ab-hero-title { font-size: clamp(38px,10.25vw,52px); line-height: 1.12; }
  .ab-hero-lead { margin-top: 24px; }
  .ab-hero-lead p { font-size: 17px; line-height: 1.55; }
  .ab-hero-copy > .ab-primary { margin-top: 24px; }
  .ab-hero-routes { flex-direction: column; align-items: flex-start; gap: 8px; margin-top: 20px; }
  .ab-hero-routes .ab-route + .ab-route { padding-left: 0; border-left: 0; }
  .ab-hero-art { height: 430px; margin-inline: -20px !important; }
  .ab-hero-art img { width: 430px; height: auto; margin: 0 auto; object-position: top; }
  .ab-opening-band { padding-block: 28px 24px; }
  .ab-opening-band p { font-size: 16px; }
  .ab-opening-band .ab-columns > div + div::before,.ab-solutions .ab-columns > div + div::before { display: none; }
  .ab-services { padding-top: 30px; }
  .ab-services-panel { margin-inline: -8px; padding: 22px 16px 8px; }
  .ab-services-panel > p { font-size: 17px; }
  .ab-service-rows li { grid-template-columns: minmax(0,1fr); justify-items: start; gap: 18px; padding-block: 24px; }
  .ab-service-rows img { margin-left: 0; }
  .ab-infrastructure { padding-top: 42px; }
  .ab-infrastructure figure { margin-top: 24px !important; }
  .ab-infrastructure figcaption { font-size: 12px; letter-spacing: 0; }
  .ab-infrastructure .ab-prose { padding-top: 0; }
  .ab-responsibility { padding-bottom: 0; }
  .ab-process { margin-block: 26px; }
  .ab-process-stages { grid-template-columns: minmax(0,1fr); padding: 24px; }
  .ab-process-stages::before { top: 44.5px; bottom: 44.5px; left: 26.5px; width: 2px; height: auto; background: linear-gradient(var(--brand), #ff7b32, var(--brand)); }
  .ab-process-stages li { padding: 8px 0 20px 28px; font-size: 18px; letter-spacing: -.015em; }
  .ab-process-stages li:last-child { padding-bottom: 8px; }
  .ab-process-stages li::before { top: 17px; left: 0; }
  .ab-process-bracket { display: none; }
  .ab-page main .ab-process-note { margin-top: 24px; font-size: 14px; }
  .ab-solutions { padding-top: 32px; }
  .ab-solutions-heading { padding-top: 32px; }
  .ab-connections .ab-columns { gap: 28px; }
  .ab-connections .ab-columns > div { display: block; }
  .ab-integration-panel { padding: 20px 24px; }
  .ab-plane-list { font-size: 18px; }
  .ab-institutions { grid-template-columns: repeat(2,minmax(0,1fr)); padding: 6px !important; }
  .ab-institutions li { padding: 16px 10px; font-size: 16px; }
  .ab-institutions li:nth-child(n+3) { border-top: 1px solid var(--surface-divider); }
  .ab-institutions li:nth-child(even)::after { display: none; }
  .ab-institutions li:nth-child(odd)::after { display: block; }
  .ab-authorization h2 + p { margin-top: 24px; }
  .ab-register-grid { margin-top: 28px; }
  .ab-auth-mega dt { font-size: 88px; }
  .ab-auth-mega dd { font-size: 18px; }
  .ab-register { padding: 0 20px; }
  .ab-auth-rows > div { grid-template-columns: minmax(0,1fr); gap: 12px; padding-block: 24px; }
  .ab-auth-rows dt { font-size: 15px; }
  .ab-auth-rows dd { font-size: 16px; }
  .ab-authorization-band { margin-top: 28px; padding-top: 28px; }
  .ab-certificates { padding-top: 0; }
  .ab-docs-shelf { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 16px; margin-top: 24px !important; }
  .ab-doc-frame { height: auto; aspect-ratio: 480 / 679; }
  .ab-doc-standard { font-size: 18px; }
  .ab-doc-scope { font-size: 14px; }
  .ab-approach { padding-top: 0; padding-bottom: 30px; }
  .ab-approach-heading { padding-top: 0; }
  .ab-closing { padding-top: 24px; }
  .ab-closing-panel { margin-inline: -8px; padding: 28px 24px; }
  .ab-closing-copy { gap: 44px; }
  .ab-closing-actions { gap: 16px; }
  .ab-sketch-arrow { top: -30px; left: 128px; width: 72px; }
  .ab-closing-panel .ab-prose { padding-block: 0; }
  .ab-closing-panel .ab-prose::before { display: none; }
  .ab-law { gap: 36px; }
  .ab-law-sidebar { position: static; }
  .ab-legal-toc { margin-top: 20px; }
  .ab-legal-toc a { font-size: 14px; }
  .ab-legal-toc li + li { margin-top: 4px; }
  .ab-law-text p,.ab-legal-block ul { font-size: 16px; }
  .ab-law-text .ab-legal-block + .ab-legal-block { margin-top: 36px; }
  .ab-policy { margin-top: 44px; padding-top: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .ab-page main *, .ab-page main *::before, .ab-page main *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
