:root {
  color-scheme: light;
  --paper: #f5f4ed;
  --ink: #1d3329;
  --muted: #536157;
  --green: #285541;
  --lime: #d8eead;
  --line: #d1d6c9;
  --serif: "Iowan Old Style", "Charter", "Source Serif Pro", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: .25em; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 2px solid var(--green); outline-offset: 6px; }
::selection { color: var(--ink); background: var(--lime); }
.page { max-width: 1440px; margin: 0 auto; padding: 0 6%; }
.skip-link { position: absolute; top: -100px; left: 24px; z-index: 2; padding: 12px 20px; background: var(--ink); color: var(--paper); }
.skip-link:focus { top: 12px; }

.site-header { display: flex; align-items: center; justify-content: space-between; min-height: 112px; border-bottom: 1px solid var(--line); gap: 24px; }
.wordmark { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: 24px; font-weight: 650; letter-spacing: -.9px; }
.brand-mark { width: 29px; height: 29px; fill: var(--green); }
.site-header nav { display: flex; gap: 36px; font-size: 13px; font-weight: 500; }
.site-header nav a { display: inline-flex; align-items: center; min-height: 44px; gap: 12px; text-decoration: none; }
.site-header nav a:hover, .site-footer a:hover { text-decoration: underline; }

.hero { display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 28px; padding: 83px 0 80px; }
.eyebrow { margin: 0; font-family: var(--mono); font-size: 11px; font-weight: 400; line-height: 1.7; letter-spacing: 1.2px; text-transform: uppercase; }
.hero .eyebrow { display: flex; align-items: center; gap: 10px; }
.status-dot { display: inline-block; flex: 0 0 7px; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
h1 { margin: 27px 0 28px; font-family: var(--serif); font-size: clamp(3.25rem, 7.6vw, 6.75rem); line-height: 1.04; font-weight: 400; letter-spacing: -4.5px; }
h1 > span { display: block; }
.green-text { color: var(--green); }
.hero-lede { max-width: 460px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.85; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 32px; padding: 17px 22px; border-radius: 3px; background: var(--ink); color: var(--paper); text-decoration: none; font-size: 13px; font-weight: 500; }
.button span { font-size: 20px; line-height: 1; color: var(--lime); }
.button:hover, .button:focus-visible { background: var(--green); }

.kernel-art { position: relative; width: 100%; max-width: 490px; aspect-ratio: 1; justify-self: end; color: var(--green); background-image: radial-gradient(#28554124 .65px, transparent .65px); background-size: 15px 15px; }
.kernel-diagram { display: block; width: 100%; height: 100%; }
.art-coordinate { position: absolute; right: 0; left: 0; display: flex; justify-content: space-between; font-family: var(--mono); font-size: 9px; line-height: 1.5; letter-spacing: .5px; color: var(--muted); }
.coordinate-top { top: -10px; }
.coordinate-bottom { bottom: -10px; }
.diagram-label { position: absolute; padding: 6px 9px; background: var(--paper); font-family: var(--mono); font-size: 10px; line-height: 1; letter-spacing: 1px; }
.label-software { top: 17%; left: 10%; }
.label-data { top: 39%; right: 0; }
.label-health { bottom: 16%; left: 35%; }

.idea-section { display: grid; grid-template-columns: 1fr 2fr; gap: 52px; border-top: 1px solid var(--line); padding: 61px 0 64px; scroll-margin-top: 32px; }
.section-label { padding-top: 9px; }
.idea-copy { display: grid; grid-template-columns: 1fr 1fr; column-gap: 45px; }
.idea-copy h2 { grid-column: 1 / -1; margin: 0 0 24px; font-family: var(--serif); font-size: 39px; line-height: 1.15; font-weight: 400; letter-spacing: -1.2px; }
.idea-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.idea-copy strong { color: var(--ink); font-weight: 500; }

.explore-section { padding: 36px 0 63px; border-top: 1px solid var(--line); scroll-margin-top: 32px; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
.section-note { color: var(--muted); font-family: var(--serif); font-size: 15px; font-style: italic; }
.focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.focus-area { display: flex; flex-direction: column; align-items: flex-start; padding: 0 30px; border-left: 1px solid var(--line); }
.focus-area:first-child { padding-left: 0; border-left: 0; }
.focus-area:last-child { padding-right: 0; }
.focus-heading { display: flex; justify-content: space-between; align-items: center; width: 100%; margin-bottom: 24px; color: var(--green); font-family: var(--mono); }
.focus-number { font-size: 11px; letter-spacing: .8px; }
.focus-symbol { font-size: 19px; letter-spacing: -2px; }
.focus-area h3 { margin: 0 0 14px; font-family: var(--serif); font-size: 27px; font-weight: 400; line-height: 1.2; letter-spacing: -.6px; }
.focus-area p { margin: 0 0 27px; max-width: 320px; color: var(--muted); font-size: 13px; line-height: 1.85; }
.focus-tag { margin-top: auto; border-bottom: 1px solid #abc292; padding-bottom: 5px; font-family: var(--mono); font-size: 11px; line-height: 1.6; letter-spacing: .4px; text-transform: uppercase; }

.early-note { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; padding: 27px 32px; background: #e9ecdf; border: 1px solid #dce1d2; }
.early-label { display: flex; align-items: center; gap: 13px; }
.early-note h2 { margin: 0; font-family: var(--serif); font-size: 24px; font-weight: 400; line-height: 1.3; letter-spacing: -.4px; }
.early-note p { margin: 0; max-width: 400px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 32px 0; color: var(--muted); font-size: 11px; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; gap: 12px; text-decoration: none; }
.footer-thought { font-family: var(--mono); font-size: 11px; }

.kernel-core, .kernel-ring, .kernel-orbit {
  transform-box: view-box;
  transform-origin: 240px 240px;
}

/* The page's resting state is always visible; motion is an opt-in enhancement. */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }

  h1 { animation: headline-settle 450ms var(--ease-out) backwards; }
  .hero .eyebrow { animation: enter 550ms var(--ease-out) 40ms backwards; }
  .hero-lede { animation: enter 650ms var(--ease-out) 120ms backwards; }
  .hero-copy > .button { animation: enter 650ms var(--ease-out) 220ms backwards; }
  .kernel-art { animation: enter 700ms var(--ease-out) 160ms backwards; }
  .kernel-core { animation: kernel-settle 950ms var(--ease-out) 240ms backwards; }
  .kernel-orbit { animation: orbit-settle 3200ms var(--ease-out) 300ms backwards; }
  .kernel-ring { animation: ring-settle 3200ms var(--ease-out) 300ms backwards; }
  .diagram-label { animation: enter 400ms var(--ease-out) 600ms backwards; }

  .button { transition: background-color 180ms ease, transform 220ms var(--ease-out); }
  .brand-mark, .button span, .site-header nav a span, .site-footer a span {
    transition: transform 220ms var(--ease-out);
  }

  .button:focus-visible { animation: none; transform: translateY(-2px); }
  .button:focus-visible span, .site-header nav a:focus-visible span { transform: translateY(3px); }
  .wordmark:focus-visible .brand-mark { transform: rotate(-8deg); }
  .site-footer a:focus-visible span { transform: translateY(-3px); }
}

@media (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  .button:hover { transform: translateY(-2px); }
  .button:hover span, .site-header nav a:hover span { transform: translateY(3px); }
  .wordmark:hover .brand-mark { transform: rotate(-8deg); }
  .site-footer a:hover span { transform: translateY(-3px); }
  .button:active { transform: none; }
}

@keyframes headline-settle {
  from { transform: translateY(10px); }
  to { transform: none; }
}

@keyframes enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@keyframes kernel-settle {
  from { transform: rotate(-5deg) scale(.94); }
  65% { transform: rotate(1deg) scale(1.015); }
  to { transform: none; }
}

@keyframes orbit-settle {
  from { transform: rotate(-120deg); }
  to { transform: none; }
}

@keyframes ring-settle {
  from { transform: rotate(45deg); }
  to { transform: none; }
}

@media (min-width: 1600px) {
  .page { padding-right: 80px; padding-left: 80px; }
}

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1.3fr 1fr; gap: 20px; padding: 64px 0; }
  h1 { letter-spacing: -3px; }
  .hero-lede { font-size: 15px; }
  .idea-section { grid-template-columns: 1fr 2.5fr; gap: 32px; }
  .idea-copy { column-gap: 28px; }
  .focus-area { padding-right: 20px; padding-left: 20px; }
  .focus-area h3 { font-size: 24px; }
  .diagram-label { font-size: 9px; }
  .art-coordinate { font-size: 8px; }
}

@media (max-width: 760px) {
  .page { padding: 0 7%; }
  .site-header { min-height: 91px; gap: 16px; }
  .wordmark { font-size: 22px; gap: 10px; }
  .brand-mark { width: 26px; height: 26px; }
  .site-header nav { gap: 20px; font-size: 12px; }
  .site-header nav a:first-child { display: none; }
  .site-header nav a { gap: 8px; }
  .hero { grid-template-columns: 1fr; gap: 64px; padding: 48px 0 43px; }
  .hero .eyebrow { font-size: 11px; letter-spacing: .9px; }
  h1 { margin-top: 24px; margin-bottom: 24px; font-size: clamp(3rem, 11.5vw, 5.25rem); letter-spacing: -2.7px; }
  .hero-lede { max-width: 470px; font-size: 15px; line-height: 1.8; }
  .button { margin-top: 28px; }
  .kernel-art { max-width: 370px; justify-self: center; margin: 0 0 16px; }
  .diagram-label { font-size: 9px; }
  .art-coordinate { font-size: 8px; }
  .idea-section { grid-template-columns: 1fr; gap: 26px; padding: 35px 0 39px; }
  .section-label { padding-top: 0; }
  .idea-copy { grid-template-columns: 1fr; gap: 18px; }
  .idea-copy h2 { margin-bottom: 0; font-size: 35px; }
  .idea-copy p { font-size: 14px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 8px; margin-bottom: 30px; }
  .section-note { font-size: 14px; }
  .explore-section { padding-top: 30px; padding-bottom: 36px; }
  .focus-grid { grid-template-columns: 1fr; gap: 27px; }
  .focus-area, .focus-area:first-child, .focus-area:last-child { padding: 0 0 28px; border-left: 0; border-bottom: 1px solid var(--line); }
  .focus-area:last-child { padding-bottom: 0; border-bottom: 0; }
  .focus-heading { margin-bottom: 16px; }
  .focus-area h3 { font-size: 28px; }
  .focus-area p { max-width: 460px; margin-bottom: 19px; font-size: 14px; }
  .early-note { grid-template-columns: 1fr; gap: 13px; padding: 25px 22px; }
  .early-note h2 { font-size: 22px; }
  .early-note p { font-size: 13px; }
  .site-footer { flex-wrap: wrap; gap: 4px 20px; padding: 24px 0; }
  .footer-thought { display: none; }
}

@media (max-width: 360px) {
  .page { padding: 0 6%; }
  .site-header nav { font-size: 11px; }
  .wordmark { font-size: 20px; }
  h1 { font-size: 2.85rem; letter-spacing: -2.5px; }
  .button { padding: 16px 18px; gap: 16px; font-size: 12px; }
}
