@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;800&family=Poppins:wght@300;400;500;600&display=swap');

:root {
  --blue: #0037ff;
  --blue-deep: #0019a8;
  --navy: #051e41;
  --navy-deep: #021329;
  --white: #fff;
  --offwhite: #f7fafc;
  --cyan: #28ffff;
  --green: #05fab9;
  --pink: #fca9e6;
  --ink-soft: #496078;
  --line: rgba(5, 30, 65, .17);
  --line-inverse: rgba(255, 255, 255, .24);
  --display: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --data: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --gutter: clamp(24px, 4.5vw, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--navy); background: var(--offwhite); font-family: var(--display); -webkit-font-smoothing: antialiased; }
body, button { font-family: var(--display); }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
main > section[id] { scroll-margin-top: 76px; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 12px; padding: 10px 14px; color: var(--white); background: var(--navy); }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; z-index: 50; top: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 76px; padding: 0 var(--gutter); background: rgba(247,250,252,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); transition: background 180ms ease; }
.site-header.is-scrolled { background: rgba(255,255,255,.98); }
.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; text-decoration: none; }
.brand img { display: block; width: 112px; }
.brand > span { width: 1px; height: 24px; background: var(--line); }
.brand strong { font-size: 12px; font-weight: 400; letter-spacing: -.02em; }
.main-nav { display: flex; gap: clamp(16px, 2vw, 30px); }
.main-nav a, .header-cta { font: 500 10px var(--data); letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.main-nav a { opacity: .58; transition: opacity 180ms ease; }
.main-nav a:hover, .main-nav a:focus-visible { opacity: 1; }
.header-cta { justify-self: end; padding: 8px 0 5px; border-bottom: 1px solid currentColor; }
.header-cta span { margin-left: 8px; color: var(--blue); }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(490px, .95fr); min-height: calc(100vh - 76px); overflow: hidden; background: var(--offwhite); }
.hero-copy { align-self: center; padding: clamp(90px, 11vh, 140px) var(--gutter) 210px; }
.kicker { display: flex; justify-content: space-between; gap: 20px; max-width: 760px; margin: 0 0 clamp(56px, 8vh, 100px); font: 500 10px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.kicker span:last-child { color: var(--ink-soft); }
.hero h1 { max-width: 950px; margin: 0; font: 300 clamp(66px, 7vw, 116px)/.9 var(--display); letter-spacing: -.065em; }
.hero h1 em { color: var(--blue); font-style: normal; font-weight: 500; }
.hero-lede { max-width: 700px; margin: 42px 0 0; color: var(--ink-soft); font-size: clamp(18px, 1.55vw, 24px); line-height: 1.5; letter-spacing: -.025em; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 40px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 20px; border: 1px solid currentColor; font: 600 10px var(--data); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; transition: transform 140ms ease, filter 140ms ease; }
.button:hover { filter: brightness(.94); }
.button:active { transform: scale(.97); }
.button-blue { color: var(--white); background: var(--blue); border-color: var(--blue); }
.button-light { color: var(--blue); background: var(--white); border-color: var(--white); }
.text-link { font-size: 13px; text-underline-offset: 6px; }

.care-system { position: relative; min-height: 690px; overflow: hidden; color: var(--white); background: var(--blue); border-left: 1px solid var(--line); isolation: isolate; }
.care-system::after { position: absolute; z-index: -1; inset: 0; background: radial-gradient(circle at 52% 49%, rgba(40,255,255,.14), transparent 23%), linear-gradient(145deg, rgba(5,30,65,.32), transparent 58%); content: ""; }
.care-grid { position: absolute; inset: 0; opacity: .11; background-image: linear-gradient(rgba(255,255,255,.24) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.24) 1px, transparent 1px); background-size: 72px 72px; }
.orbit { position: absolute; top: 49%; left: 51%; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; transform: translate(-50%, -50%) rotate(-18deg); }
.orbit-a { width: min(29vw, 440px); height: min(20vw, 300px); }
.orbit-b { width: min(45vw, 690px); height: min(31vw, 470px); border-color: rgba(40,255,255,.34); transform: translate(-50%, -50%) rotate(31deg); }
.orbit-c { width: min(58vw, 900px); height: min(40vw, 610px); border-style: dashed; opacity: .55; transform: translate(-50%, -50%) rotate(-38deg); }
.care-core { position: absolute; top: 49%; left: 51%; display: flex; width: 190px; height: 190px; flex-direction: column; align-items: center; justify-content: center; color: var(--navy); text-align: center; background: var(--cyan); border-radius: 50%; transform: translate(-50%, -50%); }
.care-core small { font: 500 8px var(--data); letter-spacing: .12em; text-transform: uppercase; }
.care-core strong { margin-top: 4px; font-size: 29px; font-weight: 500; letter-spacing: -.05em; }
.care-core span { max-width: 110px; margin-top: 3px; font-size: 10px; line-height: 1.35; }
.care-node { position: absolute; display: flex; align-items: center; gap: 12px; min-width: 145px; padding: 13px 14px; color: var(--navy); background: var(--white); border: 1px solid rgba(255,255,255,.55); }
.care-node span { color: var(--blue); font: 500 9px var(--data); }
.care-node strong { font-size: 14px; font-weight: 500; }
.node-patient { top: 14%; left: 9%; }
.node-clinical { top: 17%; right: 7%; }
.node-team { right: 12%; bottom: 13%; }
.node-evidence { bottom: 15%; left: 7%; }
.care-note { position: absolute; right: 24px; bottom: 24px; margin: 0; color: rgba(255,255,255,.62); font-size: 10px; }
.care-note span { margin-right: 8px; color: var(--cyan); }
.hero-principles { position: absolute; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(3, 1fr); min-height: 142px; color: var(--white); background: var(--navy); border-top: 1px solid rgba(255,255,255,.16); }
.hero-principles article { display: grid; grid-template-columns: 30px 1fr; align-content: center; gap: 4px 10px; padding: 22px var(--gutter); border-right: 1px solid rgba(255,255,255,.16); }
.hero-principles article:last-child { border-right: 0; }
.hero-principles span { grid-row: 1 / 3; color: var(--cyan); font: 500 9px var(--data); }
.hero-principles strong { font-size: 16px; font-weight: 500; }
.hero-principles small { color: rgba(255,255,255,.55); font-size: 11px; }

.section-index { display: flex; gap: 18px; font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }
.section-index span:first-child { color: var(--blue); }
.eyebrow { margin: 0 0 18px; font: 500 10px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.thesis-section { display: grid; grid-template-columns: .34fr 1fr; gap: 60px 90px; padding: clamp(110px, 12vw, 180px) var(--gutter); background: var(--white); }
.thesis-copy h2, .section-heading h2, .case-intro h2, .principles-intro h2, .method-copy h2, .conversation-copy h2, .theses-section h2 { margin: 0; font: 300 clamp(50px, 5.5vw, 88px)/.94 var(--display); letter-spacing: -.06em; }
.thesis-copy > p:last-child { max-width: 830px; margin: 34px 0 0; color: var(--ink-soft); font-size: clamp(18px, 1.6vw, 24px); line-height: 1.55; }
.false-choice { grid-column: 2; display: grid; grid-template-columns: 1fr 90px 1fr; align-items: stretch; border: 1px solid var(--line); }
.false-choice article { min-height: 300px; padding: 30px; background: var(--offwhite); }
.false-choice article > span { font: 500 9px var(--data); letter-spacing: .09em; text-transform: uppercase; }
.false-choice h3 { margin: 90px 0 18px; font-size: clamp(34px, 3.4vw, 54px); font-weight: 300; letter-spacing: -.05em; }
.false-choice p { max-width: 430px; margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }
.false-choice .choice-active { color: var(--white); background: var(--blue); }
.false-choice .choice-active > span, .false-choice .choice-active p { color: rgba(255,255,255,.7); }
.choice-mark { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; background: var(--white); }
.choice-mark i { width: 1px; height: 70px; background: var(--line); }
.choice-mark strong { color: var(--blue); font: 400 24px var(--data); }
.thesis-note { grid-column: 2; display: grid; grid-template-columns: 52px 1fr; gap: 22px; align-items: start; max-width: 840px; margin: 0; padding-top: 30px; border-top: 1px solid var(--line); }
.thesis-note b { display: grid; width: 44px; height: 44px; place-items: center; color: var(--white); background: var(--blue); font: 500 14px var(--data); }
.thesis-note p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.thesis-note strong { color: var(--navy); }

.system-section { padding: clamp(100px, 11vw, 160px) var(--gutter); color: var(--white); background: var(--navy); }
.section-heading { display: grid; grid-template-columns: .34fr 1fr .65fr; gap: 60px; align-items: end; margin-bottom: 64px; }
.section-heading .eyebrow { color: var(--blue); }
.section-heading.inverse .section-index span:first-child, .section-heading.inverse .eyebrow { color: var(--cyan); }
.heading-aside { max-width: 400px; margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }
.section-heading.inverse .heading-aside { color: rgba(255,255,255,.55); }
.perspective-lab { border: 1px solid var(--line-inverse); }
.perspective-tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line-inverse); }
.perspective-tabs button { display: flex; gap: 12px; align-items: center; min-height: 68px; padding: 0 20px; color: rgba(255,255,255,.5); text-align: left; background: transparent; border: 0; border-right: 1px solid var(--line-inverse); cursor: pointer; }
.perspective-tabs button:last-child { border-right: 0; }
.perspective-tabs button[aria-selected="true"] { color: var(--navy); background: var(--cyan); }
.perspective-tabs button span { font: 500 9px var(--data); }
.perspective-tabs button strong { font-size: 13px; font-weight: 500; }
.perspective-panel { display: grid; grid-template-columns: .26fr 1fr .42fr; min-height: 430px; }
.panel-index, .panel-main, .perspective-panel > ul { padding: clamp(28px, 4vw, 60px); }
.panel-index { border-right: 1px solid var(--line-inverse); }
.panel-index span { display: block; color: var(--perspective-color); font: 800 clamp(70px, 8vw, 126px)/1 var(--data); letter-spacing: -.08em; }
.panel-index small { color: rgba(255,255,255,.4); font: 500 9px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.panel-main { border-right: 1px solid var(--line-inverse); }
.panel-main > p { margin: 0 0 22px; color: var(--perspective-color); font: 500 9px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.panel-main h3 { max-width: 750px; margin: 0; font-size: clamp(36px, 4vw, 64px); font-weight: 300; line-height: 1; letter-spacing: -.05em; }
.panel-contrast { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; margin-top: 70px; }
.panel-contrast span { color: rgba(255,255,255,.42); font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }
.panel-contrast p { margin: 10px 0 0; color: rgba(255,255,255,.68); font-size: 12px; line-height: 1.65; }
.perspective-panel > ul { display: flex; flex-direction: column; justify-content: flex-end; gap: 12px; margin: 0; list-style: none; }
.perspective-panel li { padding: 13px 0; color: rgba(255,255,255,.72); border-top: 1px solid var(--line-inverse); font-size: 12px; }
.perspective-panel li::before { margin-right: 10px; color: var(--perspective-color); content: "+"; }
.system-equation { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1.4fr; align-items: center; margin-top: 58px; }
.system-equation > div { padding: 20px 0; border-top: 1px solid var(--line-inverse); }
.system-equation span, .system-equation small { display: block; }
.system-equation span { font-size: 18px; }
.system-equation small { margin-top: 5px; color: rgba(255,255,255,.4); font-size: 10px; }
.system-equation b { padding: 0 24px; color: rgba(255,255,255,.3); font-weight: 300; }
.system-equation .equation-result { padding-left: 22px; color: var(--navy); background: var(--cyan); border: 0; }
.system-equation .equation-result small { color: rgba(5,30,65,.62); }

.case-section { padding: clamp(110px, 12vw, 180px) var(--gutter); background: var(--offwhite); }
.case-intro { display: grid; grid-template-columns: .34fr 1fr .65fr; gap: 60px; align-items: start; }
.case-intro h2 em { color: var(--blue); font-style: normal; font-weight: 500; }
.case-intro .eyebrow { color: var(--blue); }
.case-summary { padding-top: 34px; }
.case-summary p { margin: 0 0 18px; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }
.case-summary p:first-child { color: var(--navy); font-size: 16px; }
.case-link { display: inline-flex; gap: 10px; margin-top: 12px; padding-bottom: 4px; color: var(--blue); border-bottom: 1px solid currentColor; font: 500 10px var(--data); letter-spacing: .07em; text-decoration: none; text-transform: uppercase; }
.case-browser { margin-top: 80px; background: var(--white); border: 1px solid var(--line); }
.browser-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 54px; padding: 0 20px; color: var(--ink-soft); border-bottom: 1px solid var(--line); font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }
.browser-bar > span:last-child { justify-self: end; }
.browser-dots { display: flex; gap: 6px; }
.browser-dots i { display: block; width: 7px; height: 7px; background: var(--line); border-radius: 50%; }
.browser-dots i:first-child { background: var(--blue); }
.case-journeys { display: grid; grid-template-columns: repeat(5, 1fr); }
.case-journeys article { position: relative; display: flex; min-height: 400px; flex-direction: column; padding: 24px; border-right: 1px solid var(--line); }
.case-journeys article:last-child { border-right: 0; }
.journey-index { font: 500 9px var(--data); }
.journey-dot { width: 10px; height: 10px; margin-top: 58px; background: var(--journey-color); border: 1px solid var(--navy); border-radius: 50%; }
.case-journeys article > div { margin-top: auto; }
.case-journeys small { color: var(--ink-soft); font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }
.case-journeys h3 { margin: 7px 0 0; font-size: 18px; font-weight: 500; letter-spacing: -.035em; }
.case-journeys p { min-height: 76px; margin: 18px 0 0; padding-top: 18px; color: var(--ink-soft); border-top: 1px solid var(--line); font-size: 11px; line-height: 1.6; }
.case-learning { display: grid; grid-template-columns: 1fr 1fr; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); }
.case-learning article { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 28px; }
.case-learning article:first-child { border-right: 1px solid var(--line); }
.case-learning span { color: var(--blue); font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }
.case-learning p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.65; }

.scale-section { padding: clamp(100px, 11vw, 160px) var(--gutter); background: var(--white); }
.specialty-map { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.specialty-map article { min-height: 250px; padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.specialty-map article.is-active { color: var(--white); background: var(--blue); }
.specialty-map span { font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }
.specialty-map h3 { margin: 75px 0 12px; font-size: 28px; font-weight: 400; letter-spacing: -.04em; }
.specialty-map p { max-width: 360px; margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
.specialty-map .is-active p { color: rgba(255,255,255,.7); }
.scale-principle { position: relative; display: grid; grid-template-columns: .6fr 1.4fr; gap: 60px; align-items: center; min-height: 400px; margin-top: 80px; padding: 50px; overflow: hidden; color: var(--white); background: var(--navy); }
.scale-principle img { width: 100%; max-width: 450px; opacity: .64; }
.scale-principle p { max-width: 850px; margin: 0; font-size: clamp(30px, 3.4vw, 54px); font-weight: 300; line-height: 1.08; letter-spacing: -.05em; }
.scale-principle span { display: block; margin-bottom: 24px; color: var(--cyan); font: 500 9px var(--data); letter-spacing: .1em; text-transform: uppercase; }

.principles-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding: clamp(110px, 12vw, 180px) var(--gutter); color: var(--white); background: var(--blue); }
.principles-intro { position: sticky; top: 125px; align-self: start; }
.principles-intro .section-index { margin-bottom: 90px; }
.principles-intro .section-index span:first-child, .principles-intro .eyebrow { color: var(--cyan); }
.principles-intro h2 { max-width: 700px; }
.principles-list { margin: 0; padding: 0; border-top: 1px solid var(--line-inverse); list-style: none; }
.principles-list li { display: grid; grid-template-columns: 80px 1fr; gap: 24px; padding: 34px 0; border-bottom: 1px solid var(--line-inverse); }
.principles-list li > span { color: var(--cyan); font: 500 10px var(--data); }
.principles-list strong { font-size: clamp(23px, 2vw, 31px); font-weight: 400; letter-spacing: -.04em; }
.principles-list p { max-width: 630px; margin: 12px 0 0; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.7; }

.method-section { display: grid; grid-template-columns: .86fr 1.14fr; gap: 90px; padding: clamp(100px, 11vw, 160px) var(--gutter); background: var(--offwhite); }
.method-copy .eyebrow { color: var(--blue); }
.method-copy > p:last-child { max-width: 700px; margin: 34px 0 0; color: var(--ink-soft); font-size: 16px; line-height: 1.7; }
.method-steps { display: grid; grid-template-columns: 1fr 1fr; margin: 0; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); list-style: none; }
.method-steps li { display: flex; min-height: 270px; flex-direction: column; padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.method-steps span { color: var(--blue); font: 500 9px var(--data); }
.method-steps strong { margin-top: auto; font-size: 24px; font-weight: 500; letter-spacing: -.04em; }
.method-steps p { min-height: 54px; margin: 10px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.6; }

.conversation-section { display: grid; grid-template-columns: 1fr .7fr; gap: 80px; min-height: 650px; padding: clamp(100px, 11vw, 160px) var(--gutter); overflow: hidden; color: var(--white); background: var(--navy); }
.conversation-copy .eyebrow { color: var(--cyan); }
.conversation-copy p:not(.eyebrow) { max-width: 740px; margin: 32px 0 40px; color: rgba(255,255,255,.62); font-size: 15px; line-height: 1.7; }
.conversation-orbit { position: relative; min-height: 420px; }
.conversation-orbit > span { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; width: 150px; height: 150px; place-items: center; color: var(--navy); background: var(--cyan); border-radius: 50%; transform: translate(-50%,-50%); font: 800 13px var(--data); letter-spacing: .1em; }
.conversation-orbit i { position: absolute; top: 50%; left: 50%; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; }
.conversation-orbit .ring-one { width: 390px; height: 230px; transform: translate(-50%,-50%) rotate(24deg); }
.conversation-orbit .ring-two { width: 500px; height: 320px; border-color: rgba(40,255,255,.32); transform: translate(-50%,-50%) rotate(-32deg); }
.conversation-orbit b { position: absolute; z-index: 3; width: 18px; height: 18px; border-radius: 50%; }
.planet-one { top: 22%; left: 18%; background: var(--pink); }
.planet-two { top: 31%; right: 10%; background: var(--green); }
.planet-three { right: 22%; bottom: 15%; background: var(--cyan); }

.theses-section { display: grid; grid-template-columns: .65fr 1.35fr; gap: 80px; padding: clamp(100px, 11vw, 160px) var(--gutter); background: var(--white); }
.theses-section .eyebrow { color: var(--blue); }
.theses-section h2 { font-size: clamp(42px, 4.5vw, 70px); }
.theses-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.theses-grid > * { display: flex; min-height: 230px; flex-direction: column; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; }
.theses-grid a { transition: color 160ms ease, background 160ms ease; }
.theses-grid a:hover { color: var(--white); background: var(--blue); }
.theses-grid span { font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; opacity: .7; }
.theses-grid strong { margin-top: auto; font-size: 21px; font-weight: 500; letter-spacing: -.035em; }
.theses-grid small { margin-top: 10px; font-size: 10px; line-height: 1.45; opacity: .7; }
.theses-grid article { color: var(--white); background: var(--blue); }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 120px; padding: 0 var(--gutter); color: var(--white); background: var(--navy-deep); border-top: 1px solid rgba(255,255,255,.14); }
.site-footer img { width: 112px; }
.site-footer p { margin: 0; font-size: 12px; }
.site-footer > a:last-child { justify-self: end; font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto; }
  .main-nav { display: none; }
  .hero { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: clamp(58px, 7vw, 86px); }
  .section-heading, .case-intro { grid-template-columns: .3fr 1fr; }
  .section-heading .heading-aside, .case-summary { grid-column: 2; padding-top: 0; }
  .perspective-panel { grid-template-columns: .25fr 1fr; }
  .perspective-panel > ul { grid-column: 1 / -1; flex-direction: row; justify-content: flex-start; border-top: 1px solid var(--line-inverse); }
  .perspective-panel li { flex: 1; }
  .case-journeys { grid-template-columns: repeat(3, 1fr); }
  .case-journeys article { border-bottom: 1px solid var(--line); }
  .case-journeys article:nth-child(3) { border-right: 0; }
  .case-journeys article:nth-child(4), .case-journeys article:nth-child(5) { min-height: 330px; }
  .principles-section, .method-section { grid-template-columns: 1fr; }
  .principles-intro { position: static; }
  .principles-intro .section-index { margin-bottom: 50px; }
}

@media (max-width: 820px) {
  .site-header { min-height: 68px; }
  .header-cta { font-size: 0; }
  .header-cta span { font-size: 16px; }
  .hero { display: block; min-height: 0; }
  .hero-copy { padding-top: 90px; padding-bottom: 90px; }
  .kicker { margin-bottom: 55px; }
  .hero h1 { font-size: clamp(54px, 14vw, 78px); }
  .care-system { min-height: 620px; border-left: 0; }
  .orbit-a { width: 70vw; height: 45vw; }
  .orbit-b { width: 100vw; height: 68vw; }
  .orbit-c { width: 130vw; height: 88vw; }
  .hero-principles { position: static; grid-template-columns: 1fr; }
  .hero-principles article { min-height: 100px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); }
  .thesis-section { grid-template-columns: 1fr; gap: 45px; }
  .false-choice, .thesis-note { grid-column: 1; }
  .false-choice { grid-template-columns: 1fr; }
  .choice-mark { display: none; }
  .section-heading, .case-intro { grid-template-columns: 1fr; gap: 36px; }
  .section-heading .heading-aside, .case-summary { grid-column: 1; }
  .perspective-tabs { grid-template-columns: 1fr 1fr; }
  .perspective-tabs button:nth-child(2) { border-right: 0; }
  .perspective-tabs button:nth-child(-n+2) { border-bottom: 1px solid var(--line-inverse); }
  .perspective-panel { grid-template-columns: 1fr; }
  .panel-index { border-right: 0; border-bottom: 1px solid var(--line-inverse); }
  .panel-index span { font-size: 86px; }
  .panel-main { border-right: 0; }
  .panel-contrast { margin-top: 45px; }
  .perspective-panel > ul { grid-column: 1; }
  .system-equation { grid-template-columns: 1fr; }
  .system-equation b { padding: 12px 0; }
  .system-equation > div { padding-left: 18px; }
  .case-journeys { grid-template-columns: 1fr 1fr; }
  .case-journeys article, .case-journeys article:nth-child(3) { min-height: 320px; border-right: 1px solid var(--line); }
  .case-journeys article:nth-child(even) { border-right: 0; }
  .case-learning { grid-template-columns: 1fr; }
  .case-learning article { grid-template-columns: 1fr; }
  .case-learning article:first-child { border-right: 0; border-bottom: 1px solid var(--line); }
  .specialty-map { grid-template-columns: 1fr 1fr; }
  .scale-principle { grid-template-columns: 1fr; }
  .scale-principle img { max-width: 280px; }
  .conversation-section, .theses-section { grid-template-columns: 1fr; }
  .conversation-orbit { min-height: 380px; }
  .site-footer { grid-template-columns: 1fr auto; }
  .site-footer p { display: none; }
}

@media (max-width: 560px) {
  .brand img { width: 100px; }
  .brand strong { font-size: 11px; }
  .hero-copy { padding-right: 22px; padding-left: 22px; }
  .kicker { display: block; }
  .kicker span { display: block; margin-top: 8px; }
  .hero h1 { overflow-wrap: break-word; font-size: clamp(48px, 15vw, 66px); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .care-core { width: 145px; height: 145px; }
  .care-core strong { font-size: 24px; }
  .care-node { min-width: 122px; padding: 10px; }
  .care-node strong { font-size: 12px; }
  .node-patient { top: 11%; left: 5%; }
  .node-clinical { top: 17%; right: 4%; }
  .node-team { right: 4%; bottom: 17%; }
  .node-evidence { bottom: 13%; left: 5%; }
  .care-note { right: 16px; bottom: 14px; left: 16px; }
  .thesis-section, .system-section, .case-section, .scale-section, .principles-section, .method-section, .conversation-section, .theses-section { padding-right: 22px; padding-left: 22px; }
  .thesis-copy h2, .section-heading h2, .case-intro h2, .principles-intro h2, .method-copy h2, .conversation-copy h2 { font-size: clamp(42px, 12vw, 58px); }
  .false-choice article { min-height: 260px; }
  .false-choice h3 { margin-top: 60px; }
  .perspective-tabs { grid-template-columns: 1fr; }
  .perspective-tabs button { border-right: 0; border-bottom: 1px solid var(--line-inverse); }
  .panel-index, .panel-main, .perspective-panel > ul { padding: 24px; }
  .panel-main h3 { font-size: 38px; }
  .panel-contrast { grid-template-columns: 1fr; gap: 24px; }
  .perspective-panel > ul { flex-direction: column; }
  .case-browser { margin-right: -22px; margin-left: -22px; }
  .browser-bar { grid-template-columns: 1fr auto; }
  .browser-bar > span:nth-child(2) { display: none; }
  .case-journeys { grid-template-columns: 1fr; }
  .case-journeys article, .case-journeys article:nth-child(3), .case-journeys article:nth-child(even) { min-height: 280px; border-right: 0; }
  .specialty-map { grid-template-columns: 1fr; }
  .scale-principle { margin-right: -22px; margin-left: -22px; padding: 34px 22px; }
  .principles-list li { grid-template-columns: 45px 1fr; }
  .method-steps { grid-template-columns: 1fr; }
  .method-steps li { min-height: 220px; }
  .conversation-orbit { min-height: 320px; transform: scale(.75); }
  .theses-grid { grid-template-columns: 1fr; }
  .theses-grid > * { min-height: 180px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}