:root {
  color-scheme: dark;
  --ink: #05080e;
  --white: #eff6fa;
  --muted: #9baebb;
  --ice: #b9eaff;
  --edge: rgb(186 215 240 / 17%);
  --warp: 0;
}
* { box-sizing: border-box; }
html { background: var(--ink); }
body { margin: 0; background: var(--ink); color: var(--white); font-family: Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible { outline: 2px solid #c5efff; outline-offset: 6px; }
::selection { color: #06111d; background: #b9eaff; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  padding: 0 clamp(22px, 5.2vw, 112px);
  display: flex;
  flex-direction: column;
  background: #05080e;
}
.ambient, #space, .vignette, .warp-light { position: absolute; inset: 0; pointer-events: none; }
.ambient {
  z-index: -4;
  background:
    radial-gradient(ellipse at 83% 25%, #23253924, transparent 47%),
    radial-gradient(ellipse at 72% 74%, #18455b38, transparent 58%),
    linear-gradient(135deg, #060b12, #05080e 65%);
}
#space { width: 100%; height: 100%; z-index: -3; }
.vignette {
  z-index: -2;
  background:
    linear-gradient(0deg, #03070cdd, transparent 24%, transparent 88%, #03070c33),
    linear-gradient(90deg, #04080d55, transparent 66%);
}
.warp-light {
  z-index: -1;
  opacity: var(--warp);
  background: radial-gradient(ellipse at 52% 46%, #91dfff19, #4b7ed60a 26%, transparent 65%);
}
.header {
  flex: 0 0 auto;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--edge);
}
.brand { display: inline-flex; gap: 10px; align-items: center; font-size: 19px; font-weight: 800; letter-spacing: 1.5px; }
.brand-mark { font-size: 28px; color: #cef1ff; font-weight: 400; line-height: 1; }
.brand-dot { width: 4px; height: 4px; border-radius: 50%; background: #b9eaff; align-self: start; margin-top: 5px; margin-left: -5px; }
.header-note { font-size: 12px; letter-spacing: 2px; color: #91a5b5; }
.motion {
  min-height: 44px;
  min-width: 98px;
  border: 1px solid var(--edge);
  background: #09132080;
  color: #c9d7e0;
  padding: 10px 15px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 12px;
  transition: border-color .25s, background .25s;
}
.motion:hover { border-color: #94c0d8; background: #18304480; }
#motion-icon { width: 10px; }

.content {
  width: 100%;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(40px, 6vh, 80px) 0 clamp(42px, 5vh, 70px);
}
.eyebrow { display: flex; align-items: center; gap: 11px; color: #b7cbd8; font-size: 12px; line-height: 1.5; letter-spacing: 2px; }
.signal, .connection i { width: 5px; height: 5px; border-radius: 50%; background: #b1e9ff; box-shadow: 0 0 13px #86d6ff80; flex-shrink: 0; }
h1 {
  display: flex;
  width: 100%;
  font-family: 'Arial Black', Arial, Helvetica, sans-serif;
  font-size: clamp(90px, min(20.3vw, 31svh), 360px);
  font-weight: 900;
  line-height: .93;
  letter-spacing: -.055em;
  margin: 27px 0 22px -.008em;
}
h1 span {
  display: inline-block;
  background: linear-gradient(174deg, #fff 4%, #e4f0f7 58%, #9cafbf 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  animation: reveal 1.3s cubic-bezier(.16, 1, .3, 1) both;
  animation-delay: calc(.09s + var(--i) * .045s);
}
.subtitle { display: flex; gap: 21px; align-items: center; max-width: 1000px; }
.subtitle p { margin: 0; font-size: clamp(14px, 1.5vw, 24px); letter-spacing: .46em; font-weight: 400; animation: fade-in 1.3s .3s both; }
.line { height: 1px; width: 40px; background: #b8d5e4; }
.subtitle-index { margin-left: auto; font-size: 17px; letter-spacing: 3px; color: #95b5cb; }
.invitation { margin-top: clamp(32px, 4.8vh, 58px); width: fit-content; max-width: 100%; animation: fade-in 1.3s .45s both; }
.invitation > p { font-size: 17px; line-height: 1.65; color: #becdd7; margin: 0 0 23px; }
.cta {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 27px;
  overflow: hidden;
  min-height: 60px;
  min-width: 286px;
  max-width: 100%;
  padding: 0 0 0 23px;
  border-radius: 2px;
  background: linear-gradient(110deg, #bce7f8, #e5f6ff);
  color: #0b1a25;
  border: 1px solid #def6ff;
  box-shadow: 0 0 32px #71c7ff15, inset 0 1px 0 #fff;
  font-size: 15px;
  font-weight: 600;
  transition: box-shadow .35s, transform .35s cubic-bezier(.2,.8,.2,1);
}
.cta::before {
  content: '';
  position: absolute;
  inset: -100%;
  background: linear-gradient(110deg, transparent 43%, #ffffffa0 50%, transparent 57%);
  transform: translateX(-70%);
  transition: transform .8s;
  pointer-events: none;
}
.cta-arrow { display: grid; place-items: center; flex: 0 0 58px; align-self: stretch; font-size: 25px; font-weight: 400; border-left: 1px solid #275c7924; background: #ffffff1a; transition: background .35s; }
.cta-note { display: block; color: #96adbd; font-size: 11px; line-height: 1.5; letter-spacing: 1.1px; margin-top: 15px; }
@media (hover: hover) {
  .cta:hover { box-shadow: 0 0 28px #81d3ff4d, 0 0 75px #81d3ff1a; transform: translateY(-2px); }
  .cta:hover::before { transform: translateX(70%); }
  .cta:hover .cta-arrow { background: #ffffff70; }
}
.cta:active { transform: translateY(0); }
.cta[aria-disabled='true'] { cursor: progress; }
.coordinates {
  position: absolute;
  right: clamp(22px, 5.2vw, 112px);
  bottom: 137px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font: 12px/1.5 'Courier New', monospace;
  letter-spacing: 1px;
  color: #a7c2d4;
}
.cross { font-size: 30px; color: #ccefff; font-weight: 200; margin-bottom: 8px; }
.coordinate-line { width: 150px; height: 1px; background: var(--edge); margin: 5px 0; }
.footer { flex: 0 0 auto; min-height: 68px; border-top: 1px solid var(--edge); display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 11px; line-height: 1.6; letter-spacing: 1px; color: #94a8b7; }
.footer-center { display: flex; gap: 22px; align-items: center; }
.tiny-cross { font-size: 20px; }
.connection { display: flex; align-items: center; gap: 10px; }
.connection i { width: 4px; height: 4px; }

.jump-overlay { position: absolute; inset: 0; z-index: 5; pointer-events: none; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px; opacity: 0; transition: opacity .55s; color: #e0f6ff; font-size: 12px; letter-spacing: 6px; text-shadow: 0 0 20px #9be7ff80; }
.jump-track { height: 1px; width: 180px; background: #93c7ed33; }
.jump-track i { display: block; width: 100%; height: 100%; transform: scaleX(0); transform-origin: left; background: #c4efff; box-shadow: 0 0 12px #9be7ff; }
.content, .coordinates { opacity: 1; transform: translateY(0); transition: opacity .8s cubic-bezier(.2,.6,.3,1), transform 1.1s cubic-bezier(.2,.6,.3,1); }
.jumping .jump-overlay { opacity: 1; }
.jumping .content, .jumping .coordinates { opacity: 0; transform: translateY(-12px); pointer-events: none; }
.jumping.returning .content, .jumping.returning .coordinates { opacity: 1; transform: translateY(0); }
.jumping.returning .jump-overlay { opacity: 0; }
.jumping .cta { pointer-events: none; }
.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 { font-size: 14px; line-height: 1.5; color: #c9eaff; }
@keyframes reveal { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fade-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

@media (min-width: 1900px) {
  .content { max-width: 1700px; margin-inline: auto; }
}
@media (max-width: 1100px) {
  .footer-center { display: none; }
  .coordinates { font-size: 11px; }
}
@media (max-width: 760px) {
  .hero { padding-inline: 6vw; }
  .header { min-height: 76px; gap: 18px; }
  .header-note { display: none; }
  .brand { font-size: 17px; }
  .motion { min-width: 93px; padding-inline: 12px; }
  .content { padding-top: 47px; padding-bottom: 110px; }
  .eyebrow { font-size: 10px; letter-spacing: 1px; gap: 8px; }
  h1 { font-size: 20.3vw; margin-top: 29px; margin-bottom: 24px; }
  .subtitle { gap: 13px; }
  .subtitle p { font-size: 13px; letter-spacing: .31em; }
  .subtitle-index { font-size: 13px; }
  .line { width: 24px; }
  .invitation { margin-top: clamp(52px, 9svh, 92px); }
  .invitation > p { font-size: 16px; line-height: 1.7; }
  .cta { min-width: min(294px, 88vw); min-height: 58px; }
  .cta-note { font-size: 10px; letter-spacing: .8px; }
  .coordinates { right: 6vw; bottom: 83px; font-size: 10px; gap: 2px; }
  .coordinates .cross, .coordinate-line, .coordinates span:nth-child(3) { display: none; }
  .footer { font-size: 10px; letter-spacing: .5px; min-height: 62px; gap: 12px; }
  .connection { gap: 7px; }
  .jump-overlay { letter-spacing: 3px; }
}
@media (max-width: 360px) {
  .eyebrow { font-size: 9px; letter-spacing: .65px; }
  .cta { font-size: 14px; padding-left: 18px; gap: 14px; }
  .cta-arrow { flex-basis: 48px; }
  .subtitle p { letter-spacing: .23em; }
  .connection { letter-spacing: 0; }
}
@media (max-height: 720px) and (min-width: 761px) {
  .header { min-height: 72px; }
  .content { padding-block: 30px; }
  .invitation { margin-top: 27px; }
  .invitation > p { margin-bottom: 18px; }
  .footer { min-height: 58px; }
  .coordinates { bottom: 110px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .jumping .content, .jumping .coordinates { transform: none; }
}