:root{
  color-scheme:dark;
  --bg:#020202;
  --paper:#f7f3e9;
  --muted:#aaa398;
  --gold:#e0b653;
  --gold-2:#b97816;
  --line:rgba(255,255,255,.09);
  --panel:rgba(8,8,8,.82);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg)}
html{background:#020202}
body{
  min-height:100vh;
  overflow-x:hidden;
  color:var(--paper);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 77% 17%,rgba(218,165,54,.12),transparent 27%),
    radial-gradient(circle at 8% 72%,rgba(112,69,8,.08),transparent 30%),
    #020202;
}
body:before{
  content:"";position:fixed;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.013) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.013) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 50% 24%,#000 0%,transparent 82%);
}
a{color:inherit;text-decoration:none}
button,a{font:inherit}
button{border:0}
.ambient{position:fixed;border-radius:50%;pointer-events:none;filter:blur(110px);z-index:0}
.ambient-one{width:470px;height:470px;right:0;top:5vh;background:rgba(217,164,50,.09)}
.ambient-two{width:420px;height:420px;left:-10vw;bottom:-10vh;background:rgba(117,72,10,.08)}
.install-shell{position:relative;z-index:2;width:min(1560px,100%);margin:0 auto;padding:0 clamp(22px,4.6vw,76px)}
.install-header{
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  border-bottom:1px solid var(--line);
}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand img{width:36px;height:36px;border-radius:50%;filter:drop-shadow(0 0 16px rgba(224,182,83,.18))}
.brand strong{display:block;color:#f4d98e;font-size:11px;font-weight:900;letter-spacing:.28em}
.brand small{display:block;margin-top:3px;color:#746d62;font-size:6px;font-weight:850;letter-spacing:.18em}
.back-link{
  min-height:38px;padding:0 15px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(224,182,83,.22);border-radius:999px;background:rgba(255,255,255,.018);
  color:#d8b45d;font-size:7px;font-weight:900;letter-spacing:.17em;
}
.back-link:focus-visible,.primary-action:focus-visible,.browser-note a:focus-visible{outline:3px solid #f1d27f;outline-offset:4px}
.install-stage{
  position:relative;
  min-height:calc(100vh - 76px);
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
  align-items:center;
  gap:clamp(30px,5vw,84px);
  overflow:hidden;
}
.install-stage:before{
  content:"VSEVEN";position:absolute;left:-2%;top:47%;transform:translateY(-50%);z-index:-1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.02);font-size:clamp(150px,18vw,320px);font-weight:900;letter-spacing:-.075em;white-space:nowrap;
}
.stage-copy{position:relative;z-index:3;padding:34px 0 66px}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 20px;color:#a68f60;font-size:8px;font-weight:900;letter-spacing:.3em}
.eyebrow span{width:42px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
h1{margin:0;max-width:820px;font-size:clamp(52px,6.1vw,96px);line-height:.9;letter-spacing:-.065em;font-weight:780;color:var(--paper)}
h1 em{font-style:normal;font-weight:680;background:linear-gradient(96deg,#fff0bf 0%,#e0b653 43%,#a8731a 78%,#744807 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-text{max-width:720px;margin:25px 0 0;color:var(--muted);font-size:clamp(15px,1.15vw,18px);line-height:1.65}
.hero-text strong{color:#e7d7b5}
.device-status{
  max-width:720px;margin-top:24px;padding:15px 17px;border:1px solid rgba(224,182,83,.18);border-radius:16px;
  display:flex;align-items:center;gap:13px;background:linear-gradient(145deg,rgba(224,182,83,.045),rgba(255,255,255,.012));
}
.status-dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto;background:#b98f3d;box-shadow:0 0 0 6px rgba(224,182,83,.07),0 0 20px rgba(224,182,83,.28)}
.device-status.ready .status-dot,.device-status.installed .status-dot{background:#e4bd63;box-shadow:0 0 0 6px rgba(224,182,83,.08),0 0 20px rgba(224,182,83,.40)}
.device-status.unsupported .status-dot{background:#8d7040;box-shadow:0 0 0 6px rgba(224,182,83,.04)}
.status-copy small{display:block;color:#8d7a53;font-size:7px;font-weight:900;letter-spacing:.18em;text-transform:uppercase}
.status-copy strong{display:block;margin-top:4px;color:#ece5d8;font-size:15px}
.primary-action{
  width:min(100%,720px);min-height:54px;margin-top:14px;padding:0 18px;border-radius:14px;cursor:pointer;
  color:#171108;background:linear-gradient(105deg,#f4d981 0%,#e0ad43 53%,#b97816 100%);
  box-shadow:0 15px 34px rgba(179,116,19,.17),inset 0 1px rgba(255,255,255,.35);
  font-size:9px;font-weight:950;letter-spacing:.16em;
}
.primary-action:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.04)}
.primary-action:disabled{cursor:default;color:#7f786e;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);box-shadow:none}
.action-note{max-width:720px;margin:10px 3px 0;color:#756e64;font-size:11px;line-height:1.5}
.steps-strip{max-width:720px;margin-top:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;border:1px solid rgba(255,255,255,.07);border-radius:16px;overflow:hidden;background:rgba(255,255,255,.07)}
.steps-strip>div{min-height:88px;padding:15px 14px;display:flex;gap:11px;background:rgba(4,4,4,.82)}
.steps-strip b{color:#b69249;font-size:8px;letter-spacing:.15em;padding-top:2px}
.steps-strip span{display:block;min-width:0}
.steps-strip strong{display:block;color:#ded7ca;font-size:11px}
.steps-strip small{display:block;margin-top:5px;color:#736d64;font-size:9px;line-height:1.45}
.brand-stage{position:relative;min-height:520px;display:grid;place-items:center;perspective:1200px}
.stage-halo{position:absolute;width:78%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(230,186,84,.14) 0%,rgba(181,125,24,.04) 38%,transparent 70%);filter:blur(8px)}
.logo-frame{position:relative;width:min(58%,360px);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;z-index:4;box-shadow:0 0 0 1px rgba(236,196,100,.18),0 0 0 14px rgba(255,255,255,.01),0 0 115px rgba(214,163,49,.15)}
.logo-glass{position:absolute;inset:-3%;border-radius:50%;background:linear-gradient(145deg,rgba(255,255,255,.07),transparent 27%),radial-gradient(circle at 34% 22%,rgba(255,232,176,.09),transparent 32%);border:1px solid rgba(255,255,255,.05);backdrop-filter:blur(4px)}
.brand-logo{position:relative;z-index:2;width:88%;height:88%;object-fit:contain;border-radius:50%;filter:drop-shadow(0 13px 36px rgba(0,0,0,.72))}
.orbit{position:absolute;left:50%;top:50%;border-radius:50%;border:1px solid rgba(222,177,75,.14);z-index:2}
.orbit-a{width:82%;height:40%;transform:translate(-50%,-50%) rotate(-17deg)}
.orbit-b{width:57%;height:88%;transform:translate(-50%,-50%) rotate(29deg);border-color:rgba(255,255,255,.06)}
.stage-label{position:absolute;bottom:12%;display:flex;flex-direction:column;align-items:center;gap:5px;color:#756b5b;text-align:center}
.stage-label strong{font-size:8px;letter-spacing:.28em;color:#b69249}
.stage-label span{font-size:6px;letter-spacing:.25em}
.browser-note{
  position:absolute;left:0;right:0;bottom:18px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding-top:14px;border-top:1px solid rgba(255,255,255,.06);color:#625c53;font-size:8px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;
}
.browser-note a{color:#d9b45e}
@media(min-width:900px) and (min-aspect-ratio:4/3){
  html,body{height:100%;overflow:hidden}
  .install-shell{height:100vh}
  .install-stage{height:calc(100vh - 76px);min-height:0}
}
@media(max-width:980px){
  .install-stage{grid-template-columns:1fr;gap:10px;overflow:visible}
  .stage-copy{padding-bottom:22px}
  .brand-stage{min-height:360px}
  .logo-frame{width:min(45%,280px)}
  .browser-note{position:static;margin-top:8px;padding-bottom:28px}
}
@media(max-width:700px){
  .install-shell{padding:0 18px}
  .install-header{height:66px}
  .brand small{display:none}
  .brand img{width:32px;height:32px}
  .back-link{font-size:6px;padding:0 11px}
  .install-stage{min-height:calc(100vh - 66px)}
  .stage-copy{padding-top:30px}
  h1{font-size:clamp(46px,14vw,66px)}
  .hero-text{font-size:14px;line-height:1.6}
  .steps-strip{grid-template-columns:1fr}
  .steps-strip>div{min-height:0}
  .brand-stage{min-height:300px}
  .browser-note{align-items:flex-start;flex-direction:column}
}
@media(max-width:430px){
  .brand-stage{min-height:260px}
  .logo-frame{width:min(54%,230px)}
  .eyebrow{font-size:7px}
}
@media(prefers-reduced-motion:no-preference){
  .stage-halo{animation:breathe 5.2s ease-in-out infinite}
  .orbit-a{animation:orbitA 20s linear infinite}
  .orbit-b{animation:orbitB 25s linear infinite reverse}
  @keyframes breathe{50%{transform:scale(1.06);opacity:.82}}
  @keyframes orbitA{to{transform:translate(-50%,-50%) rotate(343deg)}}
  @keyframes orbitB{to{transform:translate(-50%,-50%) rotate(-331deg)}}
}