:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  background: #040e1c;
  color: #f0f7fb;
  font-synthesis: none;
  font-size: 16px;
  --muted: #a4b6c8;
  --cyan: #86e8ff;
  --gutter: clamp(24px, 4vw, 76px);
}
* { box-sizing: border-box; }
body { margin: 0; overflow-x: clip; }
a { color: inherit; -webkit-tap-highlight-color: transparent; }
a:focus-visible, .viewport:has(canvas:focus-visible) { outline: 2px solid var(--cyan); outline-offset: 6px; }
canvas:focus-visible { outline: none; }
[hidden] { display: none !important; }
.page {
  max-width: 1800px;
  margin: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left));
  padding-right: max(var(--gutter), env(safe-area-inset-right));
}
main {
  display: grid;
  grid-template-columns: minmax(300px, .85fr) minmax(0, 1.35fr);
  align-items: center;
  min-height: 100svh;
  gap: clamp(12px, 2vw, 40px);
}
.intro { padding: 72px 0; position: relative; z-index: 1; min-width: 0; }
h1 {
  font-size: clamp(3.2rem, 4.9vw, 5.8rem);
  font-weight: 500;
  line-height: 1.025;
  letter-spacing: -.055em;
  margin: 0 0 30px;
  max-width: 9.2em;
}
h1 span { display: block; color: var(--cyan); }
.lead { font-size: clamp(1.1rem, 1.4vw, 1.4rem); line-height: 1.6; max-width: 24em; margin: 0 0 22px; color: #d3e1ec; }
.invitation { font-size: 1rem; line-height: 1.7; color: var(--muted); max-width: 28em; margin: 0 0 32px; }
.connect {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  max-width: 100%;
  min-height: 58px;
  border-radius: 100px;
  padding: 16px 24px;
  background: var(--cyan);
  color: #042033;
  text-decoration: none;
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  transition: background .18s, box-shadow .18s, transform .18s;
}
.connect > span:not(.arrow) { min-width: 0; }
.connect svg { width: 21px; height: 21px; fill: currentColor; flex: none; }
.connect .arrow { margin-left: 8px; font-size: 1.35rem; font-weight: 400; flex: none; }
.connect[aria-disabled=true] { cursor: default; }
@media (hover: hover) {
  .connect:hover { background: #b3f1ff; box-shadow: 0 0 32px #42bde522; transform: translateY(-2px); }
}
.brain-panel { position: relative; min-width: 0; align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding: 24px 0; }
.viewport { --brain-scale: 1; position: relative; width: 100%; height: calc(100svh - 48px); min-height: 360px; isolation: isolate; touch-action: none; cursor: grab; }
.poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; transition: opacity .4s; pointer-events: none; }
.ready .poster { opacity: 0; }
#brain { position: fixed; inset: 0; display: block; width: 100%; height: 100%; pointer-events: none; opacity: 0; transition: opacity .4s; }
.ready #brain { opacity: 1; }
.viewport:active { cursor: grabbing; }
.loading { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); font-size: .875rem; white-space: nowrap; color: #c3ebf6; background: #061323dd; padding: 9px 16px; border: 1px solid #244152; border-radius: 30px; }
.skip { position: absolute; top: -80px; left: 24px; padding: 16px; background: var(--cyan); color: #042033; z-index: 5; }
.skip:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.noscript { text-align: center; color: var(--muted); padding: 16px; }
@media (min-width: 961px) and (max-width: 1200px) {
  main { grid-template-columns: minmax(300px, .95fr) minmax(0, 1.15fr); gap: 16px; }
  h1 { font-size: clamp(3rem, 5.1vw, 4rem); }
  .intro { padding: 48px 0; }
  .lead { font-size: 1.125rem; }
}
@media (max-width: 960px) {
  :root { --gutter: clamp(20px, 5vw, 40px); }
  main { grid-template-columns: minmax(0, 1fr); align-content: center; gap: 0; }
  .intro { width: 100%; max-width: 640px; margin-inline: auto; padding: clamp(36px, 5.5vw, 56px) 0 8px; text-align: center; }
  h1 { font-size: clamp(2.6rem, 8.6vw, 4.5rem); max-width: 10em; margin: 0 auto 22px; }
  .lead { font-size: 1.125rem; max-width: 29em; margin: 0 auto 18px; }
  .invitation { max-width: 28em; margin: 0 auto 24px; }
  .connect { display: flex; width: fit-content; margin-inline: auto; min-height: 56px; }
  .brain-panel { width: 100%; max-width: 720px; margin-inline: auto; padding: 0 0 max(24px, env(safe-area-inset-bottom)); }
  .viewport { --brain-scale: 1.5; width: 100vw; margin-left: calc(50% - 50vw); height: auto; aspect-ratio: 1 / 1.1; min-height: 0; }
}
@media (max-width: 370px) {
  h1 { font-size: 2.45rem; }
  .connect { gap: 10px; padding: 14px 20px; }
  .connect .arrow { margin-left: 2px; }
}
@media (min-width: 680px) and (max-width: 960px) and (max-height: 540px) and (orientation: landscape) {
  :root { --gutter: 24px; }
  main { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 20px; }
  .intro { padding: 24px 0; text-align: left; }
  h1 { font-size: clamp(2rem, 4.4vw, 2.8rem); margin: 0 0 16px; }
  .lead { font-size: 1rem; margin: 0 0 14px; }
  .invitation { font-size: .875rem; margin: 0 0 18px; }
  .brain-panel { padding: 12px 0; }
  .viewport { --brain-scale: 1.1; width: 100%; margin-left: 0; height: max(260px, 86svh); }
}
@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}