:root {
  --graphite-950: #090b0e;
  --graphite-900: #0d1115;
  --graphite-850: #11171c;
  --paper: #edf4f4;
  --paper-muted: #93a1a6;
  --aqua: #61e6dc;
  --aqua-rgb: 97, 230, 220;
  --lavender: #b6a8ff;
  --lavender-rgb: 182, 168, 255;
  --warm: #d89a64;
  --hairline: rgba(210, 231, 231, .14);
  --content: min(1160px, calc(100vw - 48px));
  --ease-out: cubic-bezier(.2, .75, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--graphite-950); }
body {
  margin: 0;
  color: var(--paper);
  background: var(--graphite-950);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}
button, a { font: inherit; }
a { color: inherit; }
.skip-link {
  position: fixed; z-index: 100; left: 18px; top: 12px; padding: 10px 14px;
  background: var(--paper); color: var(--graphite-950); transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
.eyebrow {
  margin: 0 0 20px; color: var(--aqua); font-size: .72rem; font-weight: 650;
  letter-spacing: .19em; text-transform: uppercase;
}

.hero {
  position: relative; min-height: 100svh; overflow: clip; isolation: isolate;
  background:
    radial-gradient(circle at 18% 52%, rgba(var(--aqua-rgb), .05), transparent 32%),
    radial-gradient(circle at 78% 25%, rgba(var(--lavender-rgb), .045), transparent 28%),
    var(--graphite-950);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: linear-gradient(to bottom, black, transparent 82%);
}
.hero__grain {
  position: absolute; inset: 0; z-index: -1; opacity: .18; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}
.hero__copy { position: absolute; z-index: 4; left: max(24px, calc((100vw - 1160px) / 2)); top: clamp(70px, 12vh, 138px); }
h1 { margin: 0; max-width: 780px; font-size: clamp(3.4rem, 8vw, 7.6rem); font-weight: 520; letter-spacing: -.065em; line-height: .92; }
.hero__statement { margin: 24px 0 0; max-width: 620px; color: #bdc8ca; font-size: clamp(1.15rem, 2.2vw, 1.8rem); letter-spacing: -.025em; }

.constellation { position: absolute; inset: 12% 4% 8% 36%; z-index: 2; }
.constellation__lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.constellation__lines path { fill: none; stroke: var(--hairline); stroke-width: 1; vector-effect: non-scaling-stroke; opacity: .26; transition: opacity .35s, stroke .35s; }
.constellation__lines path.is-related { stroke: rgba(var(--aqua-rgb), .68); opacity: .85; }
.constellation__nodes { position: absolute; inset: 0; }
.node {
  position: absolute; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-width: 44px; min-height: 44px; padding: 8px;
  color: #aab7ba; background: transparent; border: 0; cursor: pointer;
  touch-action: manipulation;
  transform: translate(-50%, -50%); opacity: .15; transition: opacity .8s var(--ease-out), color .3s, transform .3s;
}
.node::before { content: ""; position: absolute; inset: -10px; border: 1px solid transparent; border-radius: 999px; transition: border-color .25s, background .25s; }
.node__point { width: 6px; height: 6px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 18px rgba(var(--aqua-rgb), .28); }
.node__label { opacity: 0; transform: translateX(-5px); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; transition: opacity .65s var(--ease-out), transform .65s var(--ease-out); }
.node--secondary { opacity: 0; }
.node--secondary .node__point { width: 4px; height: 4px; background: var(--lavender); box-shadow: 0 0 14px rgba(var(--lavender-rgb), .22); }
.node--systems { left: 27%; top: 38%; }
.node--people { left: 45%; top: 76%; }
.node--curiosity { left: 76.5%; top: 21%; }
.node--ai { left: 62%; top: 38%; }
.node--technology { left: 49%; top: 60%; }
.node--business { left: 73.5%; top: 49%; }
.node--build { left: 78.5%; top: 72%; }
.is-identified .node--primary { opacity: .78; }
.is-identified .node--primary .node__label { opacity: 1; transform: translateX(0); }
.is-relational .node--secondary { opacity: .48; }
.is-relational .node--secondary .node__label { opacity: .72; transform: translateX(0); }
.node:hover, .node:focus-visible, .node.is-active, .node.is-explored { color: var(--paper); opacity: 1; transform: translate(-50%, -50%) scale(1.035); }
.node:focus-visible, .node.is-active { z-index: 2; }
.node:hover::before, .node:focus-visible::before, .node.is-active::before { border-color: rgba(var(--aqua-rgb), .35); background: rgba(var(--aqua-rgb), .04); }
.node:focus-visible { outline: none; }
.node.is-explored .node__point { box-shadow: 0 0 0 4px rgba(var(--aqua-rgb), .08), 0 0 22px rgba(var(--aqua-rgb), .4); }

.thought {
  position: absolute; right: 4%; bottom: 5%; width: min(350px, 38vw); padding: 18px 20px;
  border-left: 1px solid rgba(var(--aqua-rgb), .45); background: linear-gradient(90deg, rgba(13,17,21,.75), transparent);
  pointer-events: none;
  opacity: 0; transform: translateY(8px); transition: opacity .4s, transform .4s;
}
.thought.is-visible { opacity: 1; transform: translateY(0); }
.thought__kicker { margin: 0 0 8px; color: var(--aqua); font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; }
.thought__text { margin: 0; color: #ced7d8; font-size: .92rem; line-height: 1.55; }
.hero__invitation {
  position: absolute; z-index: 5; left: max(24px, calc((100vw - 1160px) / 2)); bottom: 42px;
  opacity: 0; transform: translateY(8px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.is-invited .hero__invitation { opacity: 1; transform: translateY(0); }
.hero__invitation p { margin: 0 0 9px; color: #728087; font-size: .78rem; }
.hero__invitation a { display: inline-block; color: var(--paper); text-decoration: none; font-size: .9rem; }
.hero__invitation a span { display: inline-block; margin-left: 7px; color: var(--aqua); }
.hero__invitation a:focus-visible { outline: 1px solid var(--aqua); outline-offset: 6px; }

.thinking { position: relative; min-height: 130vh; padding: 23vh 0 24vh; background: linear-gradient(var(--graphite-950), var(--graphite-900)); }
.thinking__intro, .principles { width: var(--content); margin-inline: auto; }
.thinking__intro { display: grid; grid-template-columns: 1fr 2fr; gap: 8vw; align-items: start; }
.thinking__lead { margin: 0; max-width: 720px; font-size: clamp(2rem, 4.6vw, 4.3rem); line-height: 1.04; letter-spacing: -.05em; }
.continuity-line { position: absolute; top: 0; left: 50%; height: 22vh; width: 1px; background: var(--hairline); }
.continuity-line span { display: block; width: 1px; height: calc(var(--scroll-progress, 0) * 100%); background: linear-gradient(var(--aqua), var(--lavender)); box-shadow: 0 0 12px rgba(var(--aqua-rgb), .25); }
.principles { margin-top: 24vh; display: grid; grid-template-columns: repeat(12, 1fr); }
.principle { grid-column: span 7; display: grid; grid-template-columns: 58px 1fr; gap: 18px; padding: 24px 0; border-top: 1px solid var(--hairline); }
.principle:nth-child(even) { grid-column: 6 / span 7; }
.principle span { color: #59666c; font-size: .7rem; letter-spacing: .14em; }
.principle p { margin: 0; max-width: 600px; color: #c6d0d1; font-size: clamp(1.25rem, 2.6vw, 2.2rem); line-height: 1.18; letter-spacing: -.035em; }
.reveal { opacity: .35; transform: translateY(22px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.human-layer { position: relative; min-height: 100svh; overflow: hidden; display: grid; align-items: center; padding: 14vh 0; background: #111416; }
.human-layer::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 72% 62%, rgba(216,154,100,.09), transparent 40%), linear-gradient(155deg, transparent 35%, rgba(216,154,100,.04)); }
.topography { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; }
.topography path { fill: none; stroke: rgba(216,154,100,.18); stroke-width: 1.15; vector-effect: non-scaling-stroke; }
.topography path:nth-child(-n+4) { stroke: rgba(216,154,100,.24); }
.human-layer__copy { position: relative; z-index: 2; width: var(--content); margin-inline: auto; }
.human-layer .eyebrow { color: var(--warm); }
.human-layer h2 { margin: 0; max-width: 920px; font-size: clamp(3rem, 7vw, 7rem); line-height: .95; letter-spacing: -.06em; font-weight: 500; }
.human-layer__copy > p:last-child { max-width: 600px; margin: 32px 0 0; color: #aeb5b4; font-size: clamp(1rem, 1.7vw, 1.35rem); line-height: 1.6; }
.prototype-stop { position: absolute; bottom: 24px; right: 28px; margin: 0; color: #646c6b; font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; }

@media (max-width: 900px) {
  :root { --content: min(100% - 40px, 760px); }
  .hero__copy { left: 24px; top: 9vh; }
  .constellation { inset: 31% 0 9% 4%; }
  .thought { right: 4%; bottom: 12%; width: min(330px, 48vw); }
  .hero__invitation { left: 24px; }
  .thinking__intro { grid-template-columns: 1fr; gap: 28px; }
  .principle, .principle:nth-child(even) { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  :root { --content: calc(100% - 36px); }
  .hero { min-height: 900px; }
  .hero__copy { left: 18px; right: 18px; top: 66px; }
  .hero__copy .eyebrow { margin-bottom: 16px; }
  h1 { font-size: clamp(3.45rem, 18vw, 5rem); }
  .hero__statement { max-width: 330px; font-size: 1.15rem; line-height: 1.4; }
  .constellation { inset: 29% 0 18% 0; }
  .constellation__lines { opacity: .8; }
  .node__label { font-size: .65rem; }
  .node--systems { left: 22%; top: 35%; }
  .node--people { left: 38%; top: 76%; }
  .node--curiosity { left: 77%; top: 21%; }
  .node--ai { left: 60%; top: 39%; }
  .node--technology { left: 52%; top: 57%; }
  .node--business { left: 76%; top: 55%; }
  .node--build { left: 77%; top: 77%; }
  .node--secondary { gap: 0; }
  .node--secondary .node__label {
    position: absolute; left: 50%; top: calc(100% + 2px); width: max-content;
    pointer-events: none; opacity: 0; transform: translate(-50%, -4px);
  }
  .is-relational .node--secondary .node__label { opacity: 0; transform: translate(-50%, -4px); }
  .node--secondary:focus-visible .node__label, .node--secondary.is-active .node__label {
    opacity: 1; transform: translate(-50%, 0);
  }
  .thought { left: 18px; right: 18px; bottom: -12px; width: auto; }
  .hero__invitation { left: 18px; bottom: 26px; }
  .thinking { padding-top: 18vh; }
  .thinking__lead { font-size: 2.35rem; }
  .principles { margin-top: 16vh; }
  .principle { grid-template-columns: 38px 1fr; gap: 10px; }
  .human-layer h2 { font-size: 3.5rem; }
  .prototype-stop { left: 18px; right: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .node--primary, .node--secondary, .node__label, .hero__invitation { opacity: 1; transform: none; }
  .node { transform: translate(-50%, -50%); }
  .reveal { opacity: 1; transform: none; }
}

.no-js .node--primary, .no-js .node--secondary, .no-js .node__label, .no-js .hero__invitation, .no-js .thought { opacity: 1; visibility: visible; transform: none; }