/* AITOS: a quiet, violet interception point in a near-black field. */
:root {
  color-scheme: dark;
  --background: #08090f;
  --surface: #10101c;
  --text: #f5f3ff;
  --text-muted: #a1a1b3;
  --brand-primary: #7c33fc;
  --brand-secondary: #35c8fe;
  --brand-glow: rgba(121, 70, 247, .2);
  --line: rgba(169, 153, 227, .12);
  font-family: Inter, "Segoe UI", Helvetica, Arial, sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { min-width: 280px; background: var(--background); }
body { margin: 0; color: var(--text); }
a { color: inherit; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 2px solid #b799ff; outline-offset: 6px; }
::selection { background: #7554c5; color: white; }
[hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 20; top: 12px; left: 12px; padding: 12px 18px; color: var(--text); background: var(--surface); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.page-shell { position: relative; z-index: 1; min-height: 100svh; max-width: 1800px; margin: auto; padding: 0 24px; display: flex; flex-direction: column; }
.site-header { display: flex; align-items: center; justify-content: space-between; min-height: 92px; gap: 24px; }
/* The header wordmark has a transparent backing, using the original artwork as its mask. */
.brand { display: flex; align-items: center; width: 150px; min-height: 44px; line-height: 0; border-radius: 3px; }
.brand-logo { display: block; width: 100%; height: auto; }
.hero { flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 0 0 48px; }
.signal-stage { position: relative; flex: 0 0 auto; width: calc(100% + 48px); height: 210px; overflow: hidden; mask-image: linear-gradient(transparent, black 12%, black 90%, transparent); -webkit-mask-image: linear-gradient(transparent, black 12%, black 90%, transparent); }
.signal-field { position: absolute; width: 960px; height: 280px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.signal-paths { position: absolute; width: 100%; height: 100%; inset: 0; opacity: .65; }
.orbit { position: absolute; left: 50%; top: 50%; aspect-ratio: 1; border: 1px solid rgba(151,116,226,.13); border-radius: 50%; transform: translate(-50%,-50%); }
.orbit-outer { width: 244px; border-style: dashed; opacity: .55; }
.orbit-inner { width: 200px; border-color: rgba(154,116,240,.2); }
.core-glow { position: absolute; width: 280px; height: 240px; left: 50%; top: 50%; transform: translate(-50%,-50%); background: radial-gradient(ellipse,rgba(118,60,228,.26),rgba(113,59,226,.06) 45%,transparent 70%); }
.logo-core { position: absolute; left: 50%; top: 50%; width: 110px; height: 90px; transform: translate(-50%,-50%); filter: drop-shadow(0 0 20px rgba(112,54,244,.3)); }
.eye-symbol { display: block; width: 100%; height: 100%; }
.signal-label { position: absolute; top: 220px; color: #858397; font-size: .75rem; letter-spacing: .06em; display: none; }
.signal-label-left { left: 15%; }
.signal-label-right { right: 13%; }
.hero-copy { position: relative; max-width: 820px; }
.eyebrow { margin: 0 0 21px; color: #b0a2ce; font-size: .75rem; font-weight: 500; letter-spacing: .17em; text-transform: uppercase; }
h1 { font-weight: 500; font-size: clamp(3.15rem, 8.8vw, 6rem); line-height: 1.025; letter-spacing: -.06em; margin: 0; overflow-wrap: anywhere; }
h1 span { color: #ad8af6; }
.description { margin: 26px auto 0; max-width: 530px; color: var(--text-muted); font-size: 1rem; line-height: 1.8; letter-spacing: -.012em; text-wrap: pretty; }
.launch { margin-top: 32px; }
.coming-soon { display: inline-flex; align-items: center; gap: 10px; margin: 0; padding: 12px 20px; border: 1px solid rgba(172,133,254,.27); border-radius: 100px; background: linear-gradient(135deg,rgba(123,78,210,.11),rgba(74,45,125,.07)); box-shadow: inset 0 1px rgba(255,255,255,.025),0 0 35px rgba(102,54,172,.06); color: #d7c8f5; font-size: .75rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
.launch-dot { width: 5px; height: 5px; border-radius: 50%; background: #b798f8; box-shadow: 0 0 10px rgba(158,110,251,.5); }
.expanded-name { max-width: 310px; margin: 21px auto 0; color: #9a91ad; font-size: .75rem; line-height: 1.9; }
.expanded-name span { padding: 0 6px; color: #725b99; }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; min-height: 75px; border-top: 1px solid var(--line); color: #878595; font-size: .75rem; }
.site-footer p { margin: 0; }
.motion-toggle { display: inline-flex; align-items: center; gap: 9px; color: #a19aaF; background: transparent; border: 0; cursor: pointer; padding: 15px 0 15px 12px; min-height: 44px; font-size: .75rem; transition: color .2s; }
.motion-toggle:hover { color: #d4bcff; }
/* Background geometry stays behind the content and never captures input. */
.atmosphere { position: fixed; z-index: 0; inset: 0; overflow: hidden; pointer-events: none; }
.ambient-light { position: absolute; inset: 0; background: radial-gradient(ellipse 48% 46% at 50% 32%,rgba(86,45,148,.14),transparent 100%),radial-gradient(ellipse 55% 36% at 50% 104%,rgba(80,33,126,.13),transparent); }
.grid { position: absolute; inset: 0; opacity: .23; background-image: linear-gradient(rgba(151,132,198,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(151,132,198,.1) 1px,transparent 1px); background-size: 70px 70px; mask-image: radial-gradient(ellipse 52% 52% at 50% 27%,black,transparent); -webkit-mask-image: radial-gradient(ellipse 52% 52% at 50% 27%,black,transparent); }
.horizon { position: absolute; left: -15%; right: -15%; height: 270px; bottom: -255px; border: 1px solid rgba(134,76,226,.25); border-radius: 50%; box-shadow: 0 -14px 65px rgba(116,42,208,.06); }
.pointer-light { display: none; }
.packet { stroke: #b692ff; stroke-dasharray: 12 988; stroke-dashoffset: 1000; opacity: 0; }
.outgoing { stroke: #72baeb; stroke-dasharray: 19 981; }
/* Responsive spacing preserves the single-screen composition when height permits. */
@media (min-width: 600px) {
  .page-shell { padding: 0 48px; }
  .site-header { min-height: 100px; }
  .brand { width: 174px; }
  .signal-stage { width: calc(100% + 96px); height: 210px; }
  .signal-field { width: 1200px; }
  .logo-core { width: 128px; height: 105px; }
  .orbit-outer { width: 270px; }
  .orbit-inner { width: 216px; }
  .eyebrow { font-size: .75rem; }
  h1 { font-size: clamp(4.5rem, 6.1vw, 5.5rem); }
  .description { font-size: 1.0625rem; }
  .expanded-name { max-width: none; font-size: .8125rem; }
  .expanded-name span { padding: 0 10px; }
}
@media (min-width: 1050px) {
  .page-shell { padding: 0 64px; }
  .hero { padding-bottom: 32px; }
  .signal-stage { width: calc(100% + 128px); height: 210px; }
  .signal-label { display: block; }
  .launch { margin-top: 35px; }
  .site-footer { min-height: 72px; }
}
@media (min-width: 600px) and (max-height: 850px) {
  .site-header { min-height: 80px; }
  .signal-stage { height: 162px; }
  .signal-label { top: 197px; }
  h1 { font-size: clamp(3.8rem,5.5vw,4.5rem); }
  .description { margin-top: 20px; }
  .launch { margin-top: 24px; }
  .hero { padding-bottom: 26px; }
  .site-footer { min-height: 64px; }
}
/* Entrance uses only opacity and transform. Ambient motion is opt-in to the
   device preference; the manual pause control also stops offscreen work. */
@media (prefers-reduced-motion: no-preference) {
  .ambient-light { animation: background-arrive 1.6s ease-out both; }
  .logo-core { animation: logo-arrive 1.2s cubic-bezier(.2,.7,.2,1) .15s both; }
  .eyebrow { animation: copy-arrive .9s ease-out .3s both; }
  h1 { animation: copy-arrive .9s ease-out .4s both; }
  .description { animation: copy-arrive .9s ease-out .55s both; }
  .launch { animation: copy-arrive .9s ease-out .75s both; }
  .motion-enabled .packet { opacity: .8; animation: data-flow 7s linear infinite; }
  .motion-enabled .packet-2 { animation-delay: -2.8s; animation-duration: 8.5s; }
  .motion-enabled .packet-3 { animation-delay: -5.2s; animation-duration: 8s; }
  .motion-enabled .packet-4 { animation-delay: -1.4s; animation-duration: 9s; }
  .motion-enabled .packet-5 { animation-delay: -4.5s; animation-duration: 7.5s; }
  .motion-enabled .packet-6 { animation-delay: -3.7s; animation-duration: 11s; }
  .motion-enabled .packet-7 { animation-delay: -6.6s; animation-duration: 12s; }
  .motion-enabled .packet-8 { animation-delay: -.2s; animation-duration: 10s; }
  .motion-enabled .core-glow { animation: breathe 7s ease-in-out infinite; }
  .motion-enabled .orbit-outer { animation: orbit-turn 150s linear infinite; }
}
.motion-paused *, .page-inactive * { animation-play-state: paused !important; }
@keyframes background-arrive { from { opacity: 0; } to { opacity: 1; } }
@keyframes logo-arrive { from { opacity: 0; transform: translate(-50%,-50%) scale(.88); } to { opacity: 1; transform: translate(-50%,-50%) scale(1); } }
@keyframes copy-arrive { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes data-flow { to { stroke-dashoffset: 0; } }
@keyframes breathe { 0%,100% { opacity: .6; } 50% { opacity: 1; } }
@keyframes orbit-turn { to { transform: translate(-50%,-50%) rotate(360deg); } }
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .pointer-light { display: block; position: absolute; width: 560px; height: 560px; left: 0; top: 0; opacity: 0; background: radial-gradient(circle,rgba(111,67,203,.045),transparent 68%); transition: opacity .8s; }
  .pointer-active .pointer-light { opacity: 1; }
}
@media (max-width: 599px) {
  .signal-paths { opacity: .4; }
  .packet-2, .packet-4, .packet-6, .packet-8 { display: none; }
  .motion-enabled .orbit-outer { animation: none; }
  .orbit-outer { width: 225px; }
  .orbit-inner { width: 182px; }
  .signal-stage { height: 180px; }
}
@media (max-width: 599px) and (max-height: 760px) {
  .site-header { min-height: 80px; }
  .signal-stage { height: 140px; }
  h1 { font-size: clamp(2.6rem, 10vw, 3.5rem); }
  .description { line-height: 1.7; margin-top: 22px; }
  .eyebrow { margin-bottom: 16px; }
  .launch { margin-top: 25px; }
  .hero { padding-bottom: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .pointer-light, .packet { display: none !important; }
}
@media (min-width: 600px) and (max-height: 760px) {
  .site-header { min-height: 76px; }
  .signal-stage { height: 140px; }
  .signal-label { display: none; }
  h1 { font-size: clamp(3.8rem, 5vw, 4rem); }
  .hero { padding-bottom: 20px; }
}