/* A guided editorial story. Existing branding, routes and demonstrations stay intact. */
#choose:has(.story-intro), #platform:has(.story-build-heading), #contact:has(.rai-intro) {
  container: story-section / inline-size;
  background: var(--ivory, #f8f8f1);
  padding-block: clamp(52px, 6vw, 92px);
}
:is(#choose, #platform, #demos, #ownership, #contact) :is(.story-intro, .story-overview, .story-lane, .story-build-heading, .story-build-grid, .story-build-foot, .story-proof-links, .story-security, .rai-intro, .rai-paths, .rai-footer) { min-width: 0; }
:is(#choose, #platform, #demos, #ownership, #contact) :is([class^="story-"], [class^="rai-"]) :is(h2,h3,h4,p,strong,small,span,a,button) { word-break: normal; overflow-wrap: normal; hyphens: none; }
:is(#choose, #platform, #demos, #ownership, #contact) .section-kicker { font-size: 10px; line-height: 1.7; letter-spacing: .07em; }
:is(#choose, #platform, #demos, #ownership, #contact) .section-kicker > a { min-height: 44px; font-size: 10px; }
#choose .story-intro { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); align-items: end; gap: clamp(30px,5vw,80px); margin-bottom: 39px; }
#choose .story-intro > * { min-width: 0; }
#choose .story-intro h2 { margin: 0; font-size: clamp(39px,5.2cqi,68px); line-height: 1.03; letter-spacing: -.06em; }
#choose .story-intro h2 em { margin-top: 8px; line-height: 1.15; font-size: 1.03em; }
#choose .story-intro p { max-width: 50ch; margin: 0 0 15px; color: var(--muted); font-size: 17px; line-height: 1.75; }
#choose .story-intro p:last-child { margin-bottom: 0; }
#choose .story-intro p strong { font-weight: 550; color: var(--ink); }
#choose .story-overview { position: relative; isolation: isolate; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border: 1px solid var(--line); background: #fff; }
#choose .story-overview::before { content: ''; position: absolute; z-index: -1; top: 91px; left: 57px; width: calc(66.6667% - 1px); height: 1px; background: #d0dfd7; pointer-events: none; }
#choose .story-overview::after { content: ''; position: absolute; z-index: -1; top: 90px; left: 57px; width: calc(66.6667% - 1px); height: 3px; background: linear-gradient(90deg,transparent 0%,transparent 32%,#139c87 48%,#6fd8c0 52%,transparent 68%,transparent 100%); background-size: 220% 100%; opacity: .65; animation: story-context-flow 7s ease-in-out infinite; pointer-events: none; }
#choose .story-lane { position: relative; padding: 30px 32px 31px; }
#choose .story-lane + .story-lane { border-left: 1px solid var(--line); }
#choose .story-lane-number { display: block; margin-bottom: 18px; color: var(--muted); font: 500 10px/1.7 var(--mono); letter-spacing: .07em; }
#choose .story-lane-icon { position: relative; display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 24px; border: 1px solid #bfd9cd; border-radius: 50%; color: #007f72; background: #fff; box-shadow: 0 0 0 6px #fff; }
#choose .story-lane-icon svg { display: block; width: 23px; height: 23px; }
#choose .story-lane h3 { margin: 0 0 14px; color: var(--ink); font-size: clamp(22px,2.3cqi,30px); line-height: 1.17; font-weight: 600; letter-spacing: -.04em; text-wrap: balance; }
#choose .story-lane p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
#choose .story-lane-tags { display: flex; flex-wrap: wrap; gap: 5px 8px; margin-top: 21px; padding-top: 15px; border-top: 1px solid var(--line); }
#choose .story-lane-tags > span { color: var(--muted); font: 500 10px/1.7 var(--mono); letter-spacing: .015em; }
#choose .story-lane-tags > span + span::before { content: '/'; margin-right: 8px; color: #75897c; }
#choose .story-overview-caption { grid-column: 1 / -1; display: flex; align-items: center; flex-wrap: wrap; gap: 11px; min-height: 62px; padding: 17px 32px; border-top: 1px solid var(--line); color: var(--muted); background: #fbfcf7; font-size: 13px; line-height: 1.75; }
#choose .story-overview-caption p { margin: 0; font-size: 13px; line-height: 1.75; }
#choose .story-overview-caption strong { color: var(--ink); font-weight: 500; }
#choose .story-signal { display: inline-block; flex: 0 0 7px; width: 7px; height: 7px; border-radius: 50%; background: #008e7b; box-shadow: 0 0 0 4px #008e7b0c; animation: story-signal-pulse 3s ease-in-out infinite; }
#choose .story-scale { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); margin: 28px 0 0; padding-block: 24px; border-bottom: 1px solid var(--line); }
#choose .story-scale > * { min-width: 0; padding: 0 30px; }
#choose .story-scale > :first-child { padding-left: 0; }
#choose .story-scale > :last-child { padding-right: 0; }
#choose .story-scale > * + * { border-left: 1px solid var(--line); }
#choose .story-scale strong { display: block; color: var(--ink); font-size: clamp(26px,3cqi,40px); line-height: 1.15; font-weight: 550; letter-spacing: -.045em; }
#choose .story-scale span { display: block; margin-top: 10px; max-width: 36ch; color: var(--muted); font-size: 13px; line-height: 1.7; }
:is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-cta-row { display: flex; align-items: center; flex-wrap: wrap; gap: 15px 25px; margin-top: 26px; }
:is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-cta-row > :is(a,button) { display: inline-flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 48px; max-width: 100%; text-align: left; font-size: 11px; line-height: 1.6; }
:is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-cta-row > :is(a,button) > span[aria-hidden] { flex: 0 0 auto; }
#platform .story-build-heading { display: grid; grid-template-columns: minmax(0,1.07fr) minmax(0,.93fr); align-items: end; gap: clamp(30px,5vw,78px); margin-bottom: 34px; }
#platform .story-build-heading > * { min-width: 0; }
#platform .story-build-heading h2 { margin: 0; font-size: clamp(40px,5.5cqi,76px); line-height: 1.02; letter-spacing: -.06em; }
#platform .story-build-heading h2 em { font-size: .96em; line-height: 1.15; margin-top: 9px; }
#platform .story-build-heading p { margin: 0 0 15px; color: var(--muted); font-size: 17px; line-height: 1.75; max-width: 49ch; }
#platform .story-build-heading p:last-child { margin-bottom: 0; }
#platform .story-build-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border: 1px solid var(--line); background: #fff; }
#platform .story-build-grid > article { min-width: 0; padding: 30px; }
#platform .story-build-grid > article + article { border-left: 1px solid var(--line); }
#platform .story-build-grid > article > span { display: block; color: #007f72; font: 500 11px/1.7 var(--mono); letter-spacing: .055em; }
#platform .story-build-grid h3 { margin: 22px 0 13px; color: var(--ink); font-size: clamp(22px,2.4cqi,31px); line-height: 1.2; letter-spacing: -.04em; font-weight: 600; }
#platform .story-build-grid p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
#platform .story-build-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 22px 30px; padding: 25px 30px; border: 1px solid var(--line); border-top: 0; background: #fcfcf8; }
#platform .story-build-foot > div { min-width: 0; }
#platform .story-build-foot strong { display: block; color: var(--ink); font-size: 23px; line-height: 1.3; font-weight: 550; letter-spacing: -.03em; }
#platform .story-build-foot p, #platform .story-build-foot small { display: block; margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.75; max-width: 62ch; }
#platform .story-build-foot > :is(a,button) { min-height: 48px; flex: 0 1 auto; font-size: 11px; text-align: left; }
#platform details.story-delivery { margin-top: 18px; border-block: 1px solid var(--line); background: transparent; }
#platform .story-delivery > summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; min-height: 64px; padding: 18px 0; color: var(--ink); font-size: 15px; line-height: 1.6; font-weight: 500; cursor: pointer; list-style: none; }
#platform .story-delivery > summary::-webkit-details-marker { display: none; }
#platform .story-delivery > summary::after { content: '+'; flex: 0 0 24px; text-align: center; color: #007f72; font: 400 26px/1 'Geist',Arial,sans-serif; }
#platform .story-delivery[open] > summary::after { content: '−'; }
#platform .story-delivery > summary > span[aria-hidden] { display: none; }
#platform .story-delivery > .delivery-panel { margin: 0 0 24px; }
#platform .story-delivery .comparison { padding: 26px; }
#platform .story-delivery .comparison-row { grid-template-columns: minmax(135px,.28fr) minmax(0,1fr); gap: 25px; }
#platform .story-delivery .row-label b, #platform .story-delivery .sequence-stages { font-size: 10px; }
#platform .story-delivery .row-label span { font-size: 13px; }
#platform .story-delivery .parallel-stages span { white-space: normal; font-size: 11px; line-height: 1.6; }
#platform .story-delivery .parallel-stages > div { min-height: 39px; height: auto; padding-block: 6px; }
#platform .story-delivery .parallel-stages > b { font-size: 10px; }
#platform .story-delivery .delivery-foot > span { font-size: 12px; }
#demos .story-proof-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; margin-top: 24px; }
#demos .story-proof-links > :is(a,button) { position: relative; display: flex; flex-direction: column; align-items: flex-start; min-width: 0; min-height: 210px; padding: 29px 30px; border: 1px solid var(--line); background: #fff; color: var(--ink); text-align: left; cursor: pointer; transition: border-color .2s,background .2s; }
#demos .story-proof-links > :is(a,button):hover { border-color: #69a99a; background: #fdfefa; }
#demos .story-proof-links > :is(a,button) > span:not([aria-hidden]) { display: block; max-width: calc(100% - 30px); color: #007f72; font: 500 10px/1.7 var(--mono); letter-spacing: .07em; }
#demos .story-proof-links strong { display: block; margin: 18px 30px 12px 0; color: var(--ink); font-size: clamp(24px,2.45vw,32px); line-height: 1.2; font-weight: 600; letter-spacing: -.04em; }
#demos .story-proof-links p { margin: 0; max-width: 48ch; color: var(--muted); font: 400 15px/1.75 'Geist',Arial,sans-serif; }
#demos .story-proof-links > :is(a,button) > :is(.story-proof-arrow,span[aria-hidden],b[aria-hidden],i) { position: absolute; top: 26px; right: 27px; display: block; width: 24px; color: #007f72; font: 400 25px/1 'Geist',Arial,sans-serif; }
:is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-rai-inline { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px 30px; margin-top: 27px; padding-top: 23px; border-top: 1px solid var(--line); }
:is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-rai-inline > a { display: inline-flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 52px; padding: 15px 21px; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); font: 500 11px/1.6 var(--mono); letter-spacing: .015em; text-align: left; }
:is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-rai-inline > a:hover { background: #17483b; }
:is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-rai-inline > a > span[aria-hidden] { flex: 0 0 auto; font: 23px/1 'Geist',Arial,sans-serif; }
:is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-rai-inline > :is(p,span) { max-width: 55ch; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
#ownership .story-security { margin-top: 32px; padding: 29px 31px; border: 1px solid var(--line); background: #fff; }
#ownership .story-security h3 { margin: 0 0 13px; color: var(--ink); font-size: 28px; line-height: 1.25; font-weight: 600; letter-spacing: -.04em; }
#ownership .story-security p { max-width: 82ch; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
#ownership .story-security details { margin-top: 22px; border-top: 1px solid var(--line); }
#ownership .story-security summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 57px; padding: 16px 0 0; color: var(--ink); font-size: 14px; line-height: 1.65; font-weight: 500; cursor: pointer; list-style: none; }
#ownership .story-security summary::-webkit-details-marker { display: none; }
#ownership .story-security summary::after { content: '+'; flex: 0 0 24px; text-align: center; color: #007f72; font: 400 25px/1 'Geist',Arial,sans-serif; }
#ownership .story-security details[open] > summary::after { content: '−'; }
#ownership .story-security summary > span[aria-hidden] { display: none; }
#ownership .story-security ul { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 32px; padding: 8px 0 0; margin: 15px 0 0; list-style: none; }
#ownership .story-security li { position: relative; min-width: 0; padding: 16px 0 16px 21px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.75; }
#ownership .story-security li::before { content: ''; position: absolute; top: 26px; left: 0; width: 5px; height: 5px; background: #007f72; border-radius: 50%; }
#ownership .story-security li strong { color: var(--ink); font-weight: 550; }
#contact:has(.rai-intro) { min-height: 0; border-top: 1px solid var(--line); }
#contact .rai-intro { max-width: 960px; }
#contact .rai-intro > :is(span,small) { display: block; margin: 0 0 22px; color: #007f72; font: 500 10px/1.7 var(--mono); letter-spacing: .085em; }
#contact .rai-intro h2 { width: 100%; margin: 0 0 27px; font-size: clamp(42px,5.6vw,76px); line-height: 1.04; letter-spacing: -.065em; text-wrap: balance; }
#contact .rai-intro h2 em { display: block; font-size: 1.02em; line-height: 1.16; margin-top: 9px; }
#contact .rai-intro p { max-width: 64ch; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.75; }
#contact .rai-paths { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); margin-top: 34px; border: 1px solid var(--line); background: #fff; }
#contact .rai-paths > a { position: relative; display: flex; flex-direction: column; align-items: flex-start; min-width: 0; min-height: 245px; padding: 29px 28px 27px; color: var(--ink); background: transparent; transition: background .2s; }
#contact .rai-paths > a + a { border-left: 1px solid var(--line); }
#contact .rai-paths > a:hover { background: #fcfdf8; }
#contact .rai-paths > a > span:not([aria-hidden]) { display: block; margin-bottom: 20px; color: #007f72; font: 500 10px/1.7 var(--mono); letter-spacing: .055em; }
#contact .rai-paths > a > strong { display: block; margin: 0 0 13px; color: var(--ink); font-size: clamp(22px,2.45cqi,31px); line-height: 1.2; font-weight: 600; letter-spacing: -.04em; }
#contact .rai-paths > a > p { margin: 0 0 25px; color: var(--muted); font-size: 15px; line-height: 1.75; }
#contact .rai-paths > a > :is(.rai-arrow,span[aria-hidden],i) { display: block; margin-top: auto; color: #007f72; font: 400 25px/1 'Geist',Arial,sans-serif; }
#contact .rai-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px 30px; margin-top: 24px; }
#contact .rai-footer > :is(p,span) { max-width: 68ch; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
#contact .rai-footer > a { display: inline-flex; align-items: center; justify-content: space-between; gap: 23px; min-height: 44px; color: var(--ink); font: 500 11px/1.6 var(--mono); border-bottom: 1px solid var(--teal); }
#contact .rai-footer > a > span[aria-hidden] { font: 23px/1 'Geist',Arial,sans-serif; }
@keyframes story-context-flow { 0%,100% { background-position: 120% 0; opacity: .15; } 50% { background-position: -120% 0; opacity: .7; } }
@keyframes story-signal-pulse { 0%,100% { box-shadow: 0 0 0 4px #008e7b0c; } 50% { box-shadow: 0 0 0 7px #008e7b08; } }
@media (max-width: 1100px) {
  #choose .story-lane { padding-inline: 24px; }
  #choose .story-overview::before, #choose .story-overview::after { left: 49px; }
  #platform .story-build-grid > article { padding: 26px 23px; }
  #contact .rai-paths > a { padding: 27px 23px; }
  #platform .story-delivery .comparison-row { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 850px) {
  #choose .story-intro, #platform .story-build-heading { grid-template-columns: 1fr; gap: 25px; }
  #choose .story-intro h2 { max-width: 16ch; font-size: clamp(43px,6.8vw,62px); }
  #choose .story-intro p, #platform .story-build-heading p { max-width: 65ch; font-size: 16px; }
  #platform .story-build-heading h2 { font-size: clamp(43px,7vw,65px); }
  #choose .story-lane { padding-inline: 22px; }
  #choose .story-lane h3 { font-size: 24px; }
  #choose .story-lane p, #platform .story-build-grid p { font-size: 14px; }
  #choose .story-overview::before, #choose .story-overview::after { left: 47px; }
  #choose .story-scale > * { padding-inline: 22px; }
  #choose .story-scale strong { font-size: 29px; }
  #platform .story-build-grid h3 { font-size: 24px; }
  #contact .rai-paths > a > strong { font-size: 25px; }
}
@media (max-width: 700px) {
  #choose .story-overview, #platform .story-build-grid, #demos .story-proof-links, #contact .rai-paths { grid-template-columns: 1fr; }
  #choose .story-overview::before, #choose .story-overview::after { display: none; }
  #choose .story-lane { display: grid; grid-template-columns: 45px minmax(0,1fr); gap: 0 17px; padding: 26px 23px; }
  #choose .story-lane + .story-lane { border-left: 0; border-top: 1px solid var(--line); }
  #choose .story-lane-number { grid-column: 2; margin-bottom: 11px; font-size: 10px; }
  #choose .story-lane-icon { grid-column: 1; grid-row: 1 / 5; width: 42px; height: 42px; margin: 0; }
  #choose .story-lane-icon svg { width: 21px; height: 21px; }
  #choose .story-lane h3, #choose .story-lane p, #choose .story-lane-tags { grid-column: 2; }
  #choose .story-lane h3 { font-size: 27px; line-height: 1.2; margin-bottom: 12px; text-wrap: initial; }
  #choose .story-lane p { font-size: 15px; }
  #choose .story-lane-tags { margin-top: 18px; padding-top: 14px; }
  #choose .story-overview-caption { padding: 19px 23px; align-items: baseline; font-size: 14px; }
  #choose .story-overview-caption p { font-size: 14px; }
  #choose .story-scale { margin-top: 8px; padding-block: 22px; }
  #choose .story-scale > * { padding-inline: 14px; }
  #choose .story-scale strong { font-size: 25px; }
  #choose .story-scale span { font-size: 13px; line-height: 1.65; }
  #platform .story-build-grid > article { padding: 25px 26px; }
  #platform .story-build-grid > article + article { border-left: 0; border-top: 1px solid var(--line); }
  #platform .story-build-grid h3 { margin-top: 16px; font-size: 27px; }
  #platform .story-build-grid p { font-size: 15px; max-width: 55ch; }
  #platform .story-build-foot { padding: 25px 26px; }
  #platform .story-build-foot > :is(a,button) { min-height: 48px; }
  #platform .story-delivery .sequence-stages { display: grid; grid-template-columns: 1fr 16px 1fr; gap: 8px; }
  #platform .story-delivery .sequence-stages span { font-size: 11px; padding: 13px 8px; }
  #platform .story-delivery .sequence-stages i { text-align: center; }
  #platform .story-delivery .sequence-stages i:nth-of-type(2), #platform .story-delivery .sequence-stages i:nth-of-type(4) { display: none; }
  #platform .story-delivery .sequence-stages span:last-child { grid-column: 1 / -1; }
  #demos .story-proof-links { gap: 16px; margin-top: 20px; }
  #demos .story-proof-links > :is(a,button) { padding: 27px; min-height: 0; }
  #demos .story-proof-links strong { font-size: 28px; }
  #demos .story-proof-links p { font-size: 15px; }
  :is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-rai-inline { align-items: flex-start; }
  :is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-rai-inline > :is(p,span) { font-size: 14px; }
  #ownership .story-security { padding: 26px; }
  #ownership .story-security h3 { font-size: 27px; }
  #ownership .story-security ul { grid-template-columns: 1fr; }
  #contact .rai-intro h2 { font-size: clamp(42px,8.7vw,64px); }
  #contact .rai-intro p { font-size: 17px; }
  #contact .rai-paths { margin-top: 28px; }
  #contact .rai-paths > a { padding: 27px; min-height: 0; }
  #contact .rai-paths > a + a { border-left: 0; border-top: 1px solid var(--line); }
  #contact .rai-paths > a > span:not([aria-hidden]) { margin-bottom: 15px; }
  #contact .rai-paths > a > strong { font-size: 28px; }
  #contact .rai-paths > a > p { font-size: 15px; margin-bottom: 20px; }
}
@media (max-width: 450px) {
  #choose .story-intro h2 { font-size: 39px; }
  #choose .story-intro p { font-size: 15px; }
  #choose .story-intro { margin-bottom: 27px; }
  #choose .story-lane { grid-template-columns: 1fr; padding: 25px 22px; }
  #choose .story-lane-icon { grid-column: 1; grid-row: 2; margin: 3px 0 20px; }
  #choose .story-lane-number { grid-column: 1; grid-row: 1; margin-bottom: 10px; }
  #choose .story-lane h3, #choose .story-lane p, #choose .story-lane-tags { grid-column: 1; }
  #choose .story-lane h3 { font-size: 27px; }
  #choose .story-lane p { font-size: 14px; }
  #choose .story-overview-caption { padding-inline: 22px; }
  #choose .story-scale { grid-template-columns: 1fr; padding-block: 0; margin-top: 20px; }
  #choose .story-scale > * { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); align-items: baseline; gap: 17px; padding: 20px 0; }
  #choose .story-scale > * + * { border-left: 0; border-top: 1px solid var(--line); }
  #choose .story-scale strong { font-size: 27px; }
  #choose .story-scale span { margin-top: 0; font-size: 14px; }
  :is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-cta-row { align-items: stretch; gap: 12px; }
  :is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-cta-row > :is(a,button) { width: 100%; font-size: 11px; }
  #platform .story-build-heading h2 { font-size: 40px; }
  #platform .story-build-heading p { font-size: 15px; }
  #platform .story-build-grid > article, #platform .story-build-foot { padding: 24px 22px; }
  #platform .story-build-grid h3 { font-size: 26px; }
  #platform .story-build-grid p { font-size: 14px; }
  #platform .story-build-foot strong { font-size: 23px; }
  #platform .story-build-foot p, #platform .story-build-foot small { font-size: 13px; }
  #platform .story-build-foot > :is(a,button) { width: 100%; }
  #platform .story-delivery > summary { font-size: 14px; gap: 17px; }
  #platform .story-delivery .comparison { padding: 22px 16px; }
  #platform .story-delivery .comparison-row { gap: 17px; }
  #platform .story-delivery .parallel-stages { grid-template-columns: 1fr; }
  #platform .story-delivery .parallel-stages > div { margin-left: 0; width: 100%; }
  #platform .story-delivery .parallel-stages > b { grid-column: 1; grid-row: auto; margin-top: 6px; text-align: center; }
  #platform .story-delivery .delivery-foot { padding-inline: 16px; }
  #demos .story-proof-links > :is(a,button) { padding: 25px 22px; }
  #demos .story-proof-links strong { font-size: 26px; }
  #demos .story-proof-links p { font-size: 14px; }
  #demos .story-proof-links > :is(a,button) > :is(.story-proof-arrow,span[aria-hidden],b[aria-hidden],i) { right: 20px; top: 23px; }
  :is(#choose,#platform,#demos,#intelligence,#protocol,#aisco,#ownership,#contact) .story-rai-inline > a { width: 100%; font-size: 11px; padding-inline: 19px; }
  #ownership .story-security { padding: 24px 22px; }
  #ownership .story-security h3 { font-size: 26px; }
  #ownership .story-security p, #ownership .story-security summary { font-size: 14px; }
  #contact .rai-intro h2 { font-size: 40px; }
  #contact .rai-intro p { font-size: 16px; }
  #contact .rai-paths > a { padding: 25px 22px; }
  #contact .rai-paths > a > strong { font-size: 27px; }
  #contact .rai-paths > a > p { font-size: 14px; }
  #contact .rai-footer { align-items: flex-start; gap: 16px; }
  #contact .rai-footer > a { width: 100%; }
}
@media (max-width: 360px) {
  #choose .story-intro h2, #platform .story-build-heading h2, #contact .rai-intro h2 { font-size: 36px; }
  #choose .story-lane, #platform .story-build-grid > article, #platform .story-build-foot, #demos .story-proof-links > :is(a,button), #ownership .story-security, #contact .rai-paths > a { padding-inline: 19px; }
  #choose .story-lane h3, #platform .story-build-grid h3, #demos .story-proof-links strong, #ownership .story-security h3, #contact .rai-paths > a > strong { font-size: 25px; }
  #choose .story-scale > * { grid-template-columns: 1fr; gap: 8px; }
  #choose .story-scale strong { font-size: 29px; }
}
@media (prefers-reduced-motion: reduce) {
  #choose .story-overview::after, #choose .story-signal { animation: none; }
  #demos .story-proof-links > :is(a,button), #contact .rai-paths > a { transition: none; }
}
html[data-motion="reduced"] #choose .story-overview::after,
html[data-motion="reduced"] #choose .story-signal { animation: none; }
html[data-motion="reduced"] #demos .story-proof-links > :is(a,button),
html[data-motion="reduced"] #contact .rai-paths > a { transition: none; }

/* Exact markup integration: real conversation routes, expandable process and contextual motion. */
#origin .hero-explanation { width: min(58%,620px); max-width: 620px; font-size: clamp(19px,1.5vw,23px); line-height: 1.55; }
#origin .hero-subline { width: min(54%,540px); max-width: 540px; font-size: 15px; line-height: 1.7; }
#origin .eyebrow { font-size: 10px; line-height: 1.7; letter-spacing: .08em; }
#choose .story-overview-caption > span:last-child { min-width: 0; flex: 1; font: 500 10px/1.75 var(--mono); letter-spacing: .045em; }
#choose .story-overview[data-story-playing="false"]::before,
#choose .story-overview[data-story-playing="false"]::after,
#choose .story-overview[data-story-playing="false"] *,
#choose .story-overview[data-story-playing="false"] *::before,
#choose .story-overview[data-story-playing="false"] *::after { animation-play-state: paused; }
#platform .story-build-foot { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr); gap: 28px 40px; }
#platform .story-build-foot > div:first-child > span { display: block; margin-bottom: 11px; color: var(--muted); font: 500 10px/1.7 var(--mono); letter-spacing: .04em; }
#platform .story-build-foot > div:first-child > strong { color: #007f72; font: italic 500 39px/1.2 var(--serif); letter-spacing: -.04em; }
#platform .story-build-foot > div:last-child { display: flex; flex-direction: column; align-items: stretch; gap: 11px; }
#platform .story-build-foot > div:last-child > a { justify-content: space-between; min-height: 48px; font-size: 10px; line-height: 1.65; gap: 17px; }
#platform .story-build-foot > div:last-child > a > span { flex: 0 0 auto; }
#platform .story-delivery > div { padding-bottom: 23px; }
#platform .story-delivery .ph-comparison { margin-top: 5px; }
#platform .story-delivery .ph-comparison-note { font-size: 12px; }
#ownership .story-security > .section-kicker { display: block; margin: 0 0 16px; color: #007f72; font-size: 10px; line-height: 1.7; }
#contact .rai-intro .section-kicker { gap: 17px 30px; flex-wrap: wrap; margin-bottom: 30px; }
#contact .rai-intro .section-kicker > span:last-child { max-width: none; color: var(--muted); font-size: 10px; line-height: 1.7; text-align: left; }
#contact .rai-paths > a > b { display: flex; align-items: center; justify-content: space-between; gap: 18px; width: 100%; margin-top: auto; color: #007f72; font: 500 10px/1.7 var(--mono); letter-spacing: .035em; }
#contact .rai-paths > a > b > i { flex: 0 0 23px; color: #007f72; font: 400 25px/1 'Geist',Arial,sans-serif; text-align: right; }
#contact .rai-footer > p > small { display: block; margin-top: 5px; font-size: 12px; line-height: 1.7; }
#aisco:has(.story-cta-row) { row-gap: 28px; }
#aisco .story-cta-row { grid-column: 1 / -1; margin-top: 0; }
@media (max-width: 850px) {
  #origin .hero-explanation { width: min(72%,580px); font-size: 21px; }
  #origin .hero-subline { width: min(68%,500px); }
}
@media (max-width: 700px) {
  #origin .hero-explanation { width: 100%; font-size: 20px; line-height: 1.55; }
  #origin .hero-subline { width: 100%; max-width: 440px; font-size: 14px; }
  #origin .eyebrow { font-size: 10px; letter-spacing: .045em; }
  #platform .story-build-foot { grid-template-columns: 1fr; gap: 23px; }
  #platform .story-build-foot > div:first-child > strong { font-size: 37px; }
  #platform .story-build-foot > div:last-child > a { font-size: 10px; }
  #contact .rai-intro .section-kicker { flex-direction: column; align-items: flex-start; gap: 9px; }
  #contact .rai-paths > a > b { font-size: 10px; }
}
@media (max-width: 360px) {
  #origin .hero-explanation { font-size: 19px; }
  #platform .story-build-foot > div:first-child > strong { font-size: 35px; }
}

/* The new chapter labels stay readable before navigation needs a compact menu. */
:is(#choose,#platform,#demos,#ownership,#contact) .section-kicker > span:last-child:not(:first-child) { max-width: none; font-size: 10px; line-height: 1.7; }
@media (max-width: 1280px) {
  .site-header #main-nav { display: none; position: absolute; top: var(--header); left: 0; right: 0; padding: 15px 25px 23px; max-height: calc(100vh - var(--header)); max-height: calc(100svh - var(--header)); overflow-y: auto; overscroll-behavior: contain; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 20px 30px #071c1710; }
  .site-header #main-nav.is-open { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px 20px; }
  .site-header #main-nav a { min-height: 48px; font-size: 11px; line-height: 1.6; white-space: normal; word-break: normal; overflow-wrap: normal; }
  .site-header .menu-toggle { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 6px; width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; }
  .site-header .menu-toggle > span { display: block; width: 17px; height: 1px; background: var(--ink); }
}
@media (max-width: 640px) {
  :is(#choose,#platform,#demos,#ownership,#contact) .section-kicker { flex-direction: column; align-items: flex-start; gap: 9px; }
  :is(#choose,#platform,#demos,#ownership,#contact) .section-kicker > span:last-child:not(:first-child) { text-align: left; }
  :is(#choose,#platform,#demos,#ownership,#contact) .section-kicker > a { max-width: none; min-height: 44px; justify-content: flex-start; text-align: left; }
}

/* Anchor calls to action land below the fixed navigation. */
#rai { scroll-margin-top: 8px; }
#rai:focus-visible { outline: 2px solid var(--teal); outline-offset: 10px; }

/* Keep the direct product headline within the opening composition. */
#origin h1 > span { font-size: 1em; }
@media (max-width: 700px) {
  #origin h1 > span { font-size: 1em; white-space: normal; }
}

/* The product name remains legible within the responsive headline. */
#origin h1 em { font-size: .9em; }

/* Keep the reading area clear throughout the glass animation. */
@media (min-width: 641px) {
  #origin::after {
    background: linear-gradient(90deg,
      var(--ivory) 3%,
      rgba(248,248,241,.98) 36%,
      rgba(248,248,241,.95) 53%,
      rgba(248,248,241,.78) 65%,
      rgba(248,248,241,.12) 82%,
      transparent 92%);
  }
}

/* Mobile chapter navigation and metadata keep the same reading size as the story. */
:is(#intelligence,#protocol) .section-kicker { font-size: 10px; line-height: 1.7; letter-spacing: .07em; }
:is(#intelligence,#protocol) .section-kicker > a { min-height: 44px; font-size: 10px; }
:is(#intelligence,#protocol) .section-kicker > span:last-child:not(:first-child) { max-width: none; font-size: 10px; line-height: 1.7; }
#origin .hero-footer { font-size: 10px; }
#origin .hero-footer > a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 640px) {
  :is(#intelligence,#protocol) .section-kicker { flex-direction: column; align-items: flex-start; gap: 9px; }
  :is(#intelligence,#protocol) .section-kicker > a { max-width: none; justify-content: flex-start; text-align: left; }
  :is(#intelligence,#protocol) .section-kicker > span:last-child:not(:first-child) { text-align: left; }
  #origin .eyebrow { font-size: 10px; line-height: 1.7; letter-spacing: .07em; }
  #origin .eyebrow > span { flex: 0 0 24px; }
}
@media (max-width: 360px) {
  .site-header { gap: 12px; }
}