/* Platform presentation is deliberately separate from environment/editorial CSS. */
* { box-sizing: border-box; }
html { scroll-behavior: auto; scroll-padding-top: 28px; }
body { margin: 0; background: var(--ci-paper); color: var(--ci-ink); font: 400 16px/1.65 var(--ci-sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 5px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--ci-focus); outline-offset: 6px; border-radius: 3px; }
p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.page-width { width: min(1248px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 10; padding: 12px 20px; background: var(--ci-surface); color: var(--ci-ink); }
.skip-link:focus { top: 15px; }
.platform-hero { background: #0f172a; color: #f4f5fc; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 100px; border-bottom: 1px solid #ffffff16; }
.desktop-nav { display: flex; gap: 32px; font-size: 13px; color: #c5cde0; }
.mobile-nav { display: none; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(40px, 5vw, 80px); padding-block: 64px 68px; }
.eyebrow { font-size: 11px; font-weight: 650; letter-spacing: .11em; text-transform: uppercase; color: var(--ci-primary); margin-bottom: 20px; }
.hero .eyebrow { color: #b6b8ff; }
h1 { max-width: 12.5ch; font-size: clamp(44px, 4.65vw, 68px); line-height: 1.06; letter-spacing: -.045em; font-weight: 650; }
.hero-lede { margin-top: 28px; max-width: 49ch; color: #c5cde0; font-size: 17px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 32px; font-size: 13px; font-weight: 600; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 48px; padding: 12px 20px; border-radius: 7px; }
.button-primary { background: #c5c5ff; color: #151532; }
.hero-secondary { color: #f4f5fc; padding-block: 12px; }
.hero-note { color: #a8b5ce; font-size: 12px; margin-top: 22px; max-width: 42ch; }
.hero-bottom { display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid #ffffff16; padding-block: 22px; font-size: 11px; color: #a8b5ce; }
.platform-section { padding-block: 96px; }
.section-heading { max-width: 720px; }
.section-heading h2, .environment-copy h2 { max-width: 22ch; font-size: clamp(30px, 3vw, 44px); font-weight: 600; line-height: 1.18; letter-spacing: -.035em; }
.section-heading > p:last-child, .environment-copy > p:not(.eyebrow) { color: var(--ci-muted); font-size: 17px; margin-top: 22px; max-width: 59ch; }
.platform-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; margin-top: 48px; }
.platform-grid article { padding-top: 22px; border-top: 1px solid var(--ci-line); }
.feature-index { color: var(--ci-muted); font-size: 10px; letter-spacing: .05em; }
.platform-grid h3 { font-size: 20px; font-weight: 600; letter-spacing: -.02em; margin-block: 14px 12px; line-height: 1.35; }
.platform-grid p { color: var(--ci-muted); font-size: 14px; max-width: 35ch; }
.workflow-section { background: var(--ci-surface); border-block: 1px solid var(--ci-line); padding-block: 88px; }
.workflow { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); list-style: none; margin: 46px 0 0; padding: 0; gap: 24px; }
.workflow li { border-top: 2px solid var(--ci-primary); padding-top: 16px; }
.workflow li > span { font-size: 11px; color: var(--ci-primary); }
.workflow h3 { font-size: 16px; font-weight: 650; margin-block: 12px 8px; }
.workflow p { font-size: 13px; color: var(--ci-muted); line-height: 1.6; }
.workflow-return { display: flex; align-items: center; gap: 14px; border-top: 1px solid var(--ci-line); margin-top: 34px; padding-top: 22px; color: var(--ci-muted); font-size: 13px; }
.workflow-return > span { color: var(--ci-primary); font-size: 22px; }
.environment-section { display: grid; grid-template-columns: 1.25fr 1fr; gap: 96px; align-items: center; padding-block: 96px; }
.button-environment { margin-top: 28px; background: var(--ci-ink); color: var(--ci-paper); font-size: 13px; font-weight: 600; }
.environment-status { background: var(--ci-surface); border: 1px solid var(--ci-line); border-radius: 10px; padding: 30px; }
.availability { color: var(--ci-primary); font-size: 11px; }
.environment-status h3 { font-size: 22px; line-height: 1.35; font-weight: 550; letter-spacing: -.025em; margin-top: 20px; }
.environment-status > p { font-size: 14px; color: var(--ci-muted); margin-top: 14px; }
.native-status { border-top: 1px solid var(--ci-line); margin-top: 28px; padding-top: 20px; font-size: 12px; }
.native-status span { display: block; color: var(--ci-muted); margin-bottom: 5px; }.native-status strong { font-weight: 550; }
.site-footer { background: var(--ci-surface); border-top: 1px solid var(--ci-line); padding-block: 44px 24px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-inner p { color: var(--ci-muted); font-size: 12px; margin-top: 16px; }
.footer-inner nav { display: flex; flex-direction: column; align-items: start; gap: 10px; font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; font-size: 10px; color: var(--ci-muted); margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--ci-line); }
@media(max-width:1100px) { .hero { gap: 36px; padding-block: 52px; } h1 { font-size: 54px; } .hero-lede { font-size: 15px; } .workflow { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 28px; } .environment-section { gap: 48px; } .hero-actions { gap: 12px; } }
@media(max-width:850px) { .page-width { width: calc(100% - 56px); }.site-header { min-height: 84px; }.desktop-nav { gap: 20px; font-size: 12px; }.hero { grid-template-columns: 1fr; gap: 40px; }.hero-copy { max-width: 630px; }h1 { max-width: 15ch; font-size: 58px; }.hero-lede { font-size: 17px; }.platform-section, .environment-section { padding-block: 64px; }.workflow-section { padding-block: 64px; }.platform-grid { gap: 24px; }.environment-section { grid-template-columns: 1fr; gap: 32px; }.environment-status { max-width: 640px; }.footer-inner { gap: 24px; } }
@media(max-width:600px) { .page-width { width: calc(100% - 40px); }.site-header { min-height: 76px; gap: 12px; }.ci-brand { font-size: 20px; }.desktop-nav { display: none; }.mobile-nav { display: block; position: relative; font-size: 12px; }.mobile-nav summary { cursor: pointer; padding: 10px 12px; border: 1px solid #ffffff30; border-radius: 6px; list-style: none; }.mobile-nav summary::-webkit-details-marker { display: none; }.mobile-nav nav { position: absolute; top: 48px; right: 0; z-index: 2; display: grid; min-width: 200px; padding: 16px; border: 1px solid #ffffff30; border-radius: 6px; background: #172137; gap: 16px; }.hero { padding-block: 42px 36px; gap: 34px; }h1 { font-size: clamp(40px,11vw,52px); max-width: 13ch; }.eyebrow { font-size: 10px; letter-spacing: .07em; margin-bottom: 18px; }.hero-lede { font-size: 15px; margin-top: 22px; }.hero-actions { margin-top: 26px; gap: 12px 16px; }.hero-note { font-size: 11px; }.hero-bottom { font-size: 10px; flex-direction: column; gap: 5px; padding-block: 18px; }.platform-grid { grid-template-columns: 1fr; gap: 28px; margin-top: 32px; }.platform-grid p { max-width: 48ch; }.section-heading > p:last-child, .environment-copy > p:not(.eyebrow) { font-size: 15px; }.section-heading h2,.environment-copy h2 { font-size: 32px; }.workflow { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px 24px; margin-top: 32px; }.workflow-return { align-items: start; }.environment-status { padding: 24px; }.footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }.footer-inner > div { grid-column: 1/-1; }.footer-bottom { flex-direction: column; gap: 8px; } }
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } }

.appearance-control { display: inline-flex; align-items: center; gap: 10px; }.appearance-control select { font: inherit; color: var(--ci-ink); background: var(--ci-surface); border: 1px solid var(--ci-line); border-radius: 5px; padding: 8px; min-height: 40px; }.appearance-control select:focus-visible { outline: 3px solid var(--ci-focus); outline-offset: 3px; }

/* Flowing research pathways: a quiet, responsive field behind the proposition. */
.hero-surface { position: relative; isolation: isolate; overflow: hidden; }
.pathway-field { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.hero { display: block; padding-block: 100px 104px; }
.hero-copy { max-width: 680px; }
h1 { font-size: clamp(48px, 5.8vw, 80px); max-width: 13ch; }
.hero-lede { max-width: 48ch; font-size: 18px; }
.hero-note { max-width: none; }
.hero-bottom { align-items: center; }
.pathway-motion { flex: none; border: 1px solid #4c5570; border-radius: 5px; background: #0f172a; color: #bcc7df; padding: 8px 12px; min-height: 40px; font: 400 11px var(--ci-sans); cursor: pointer; }
.pathway-motion[hidden] { display: none; }
.pathway-motion:focus-visible { outline: 3px solid #a5b4fc; outline-offset: 4px; }
@media(max-width:1100px) { .hero { padding-block: 80px 88px; } h1 { font-size: 68px; } .hero-lede { font-size: 17px; } }
@media(max-width:850px) { .hero { padding-block: 64px 72px; }.hero-copy { max-width: 630px; } h1 { font-size: 64px; } .hero-bottom { flex-wrap: wrap; } }
@media(max-width:600px) { .hero { padding-block: 48px 58px; }h1 { font-size: clamp(42px,12vw,56px); max-width: 13ch; }.hero-lede { font-size: 16px; }.hero-bottom { align-items: start; }.pathway-motion { margin-top: 10px; min-height: 44px; } }
