/* ═══════════════════════════════════════════════════════════
   tokens
   ═══════════════════════════════════════════════════════════ */
:root{
  --ink:#070512;
  --ink-2:#150c33;
  --cyan:#35f0ff;
  --violet:#8a5cff;
  --magenta:#ff3d9a;
  --amber:#ffc45c;
  --paper:#efeaff;
  --paper-dim:#a79fca;
  --hair:rgba(160,140,255,.22);
  --hair-soft:rgba(160,140,255,.11);

  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:ui-serif,Georgia,"Iowan Old Style","Times New Roman",serif;

  --gut:clamp(20px,5vw,72px);
  --band:clamp(84px,11vh,150px);
  --mx:50vw; --my:30vh;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font:400 clamp(15.5px,1.05vw,17.5px)/1.62 var(--sans);
  letter-spacing:.005em;
  overflow-x:hidden;
  min-height:100vh;
}
h1,h2,h3,p,dl,dd,dt,ul{margin:0}
ul{padding:0;list-style:none}

::selection{background:var(--violet);color:#fff}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:4px;
  border-radius:2px;
}

/* ═══════════════════════════════════════════════════════════
   background layers
   ═══════════════════════════════════════════════════════════ */
#aurora,#stars{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
  pointer-events:none;
}
#aurora{filter:blur(64px) saturate(160%);opacity:.68}
#stars{opacity:.9}

.grain{
  position:fixed;inset:-50%;z-index:1;pointer-events:none;
  opacity:.4;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  animation:grain 6s steps(5,end) infinite;
}
@keyframes grain{
  0%,100%{transform:translate(0,0)}
  20%{transform:translate(-3%,2%)}
  40%{transform:translate(2%,-3%)}
  60%{transform:translate(-2%,-2%)}
  80%{transform:translate(3%,1%)}
}

.scanline{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    repeating-linear-gradient(to bottom,rgba(255,255,255,.028) 0 1px,transparent 1px 4px),
    radial-gradient(120% 90% at 50% 0%,transparent 45%,rgba(3,1,10,.78) 100%);
}

.halo{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(340px 340px at var(--mx) var(--my),
    rgba(53,240,255,.13),rgba(138,92,255,.09) 45%,transparent 70%);
  transition:opacity .5s ease;
}

.progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:40;
  background:var(--hair-soft);
}
.progress i{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--violet) 55%,var(--magenta));
  box-shadow:0 0 14px rgba(138,92,255,.8);
}

/* ═══════════════════════════════════════════════════════════
   language switch
   ═══════════════════════════════════════════════════════════ */
.topbar{
  position:fixed;top:0;right:0;z-index:30;
  padding:clamp(14px,2.4vw,26px) var(--gut);
}
.switch{
  display:flex;align-items:center;gap:2px;
  padding:5px;
  border:1px solid var(--hair);
  border-radius:999px;
  background:rgba(10,6,26,.55);
  backdrop-filter:blur(10px);
}
.switch__sep{width:1px;height:13px;background:var(--hair)}
.switch__opt{
  appearance:none;border:0;cursor:pointer;
  background:transparent;color:var(--paper-dim);
  font:600 12px/1 var(--sans);letter-spacing:.14em;
  padding:8px 12px;border-radius:999px;
  transition:color .25s ease,background .25s ease,box-shadow .25s ease;
}
.switch__opt:hover{color:var(--paper)}
.switch__opt.is-on{
  color:#0a0620;
  background:linear-gradient(120deg,var(--cyan),var(--violet));
  box-shadow:0 0 18px rgba(53,240,255,.4);
}

/* ═══════════════════════════════════════════════════════════
   hero
   ═══════════════════════════════════════════════════════════ */
main{position:relative;z-index:2}

.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  padding:clamp(96px,14vh,150px) var(--gut) clamp(84px,12vh,130px);
  text-align:center;
  overflow:hidden;
}
.hero__inner{position:relative;z-index:2;max-width:min(1000px,92vw)}

.orrery{
  position:absolute;
  top:46%;left:50%;
  width:min(112vw,1080px);
  aspect-ratio:1;
  transform:translate(-50%,-50%);
  z-index:1;
  opacity:.85;
}
.orrery svg{width:100%;height:100%;overflow:visible}
.orrery ellipse{
  fill:none;
  stroke:rgba(160,140,255,.3);
  stroke-width:.7;
}
.orrery__ring--a ellipse{stroke:rgba(53,240,255,.34)}
.orrery__ring--b ellipse{stroke:rgba(138,92,255,.4)}
.orrery__ring--c ellipse{stroke:rgba(255,61,154,.3)}
.orrery__moon{fill:var(--paper)}
.orrery__ring--a .orrery__moon{fill:var(--cyan);filter:drop-shadow(0 0 7px var(--cyan))}
.orrery__ring--b .orrery__moon{fill:var(--violet);filter:drop-shadow(0 0 7px var(--violet))}
.orrery__ring--c .orrery__moon{fill:var(--magenta);filter:drop-shadow(0 0 7px var(--magenta))}
.orrery__core{filter:blur(16px);opacity:.6;animation:pulse 7s ease-in-out infinite}
.orrery__ring{transform-box:view-box;transform-origin:50% 50%}
.orrery__ring--a{animation:spin 46s linear infinite}
.orrery__ring--b{animation:spin 64s linear infinite reverse}
.orrery__ring--c{animation:spin 88s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:.95;transform:scale(1.14)}}

.eyebrow{
  font-size:.82rem;
  letter-spacing:.02em;
  color:var(--paper-dim);
  margin-bottom:clamp(18px,3vh,30px);
}
.eyebrow::before{
  content:"";display:inline-block;
  width:26px;height:1px;vertical-align:middle;
  margin-right:12px;
  background:linear-gradient(90deg,transparent,var(--cyan));
}

.wordmark{
  font:400 clamp(2.7rem,10.4vw,7rem)/1.04 var(--serif);
  letter-spacing:-.03em;
  text-wrap:balance;
  margin:0 0 clamp(22px,3.4vh,34px);
}
.wordmark__text{
  position:relative;
  display:inline-block;
  background:linear-gradient(96deg,
    var(--paper) 0%,var(--cyan) 22%,var(--paper) 40%,
    var(--violet) 62%,var(--amber) 80%,var(--paper) 100%);
  background-size:185% 100%;
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
  animation:sheen 13s ease-in-out infinite;
  filter:drop-shadow(0 0 34px rgba(138,92,255,.5));
}
@keyframes sheen{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}

.lead{
  max-width:52ch;
  margin:0 auto;
  color:#cdc5ee;
  font-size:clamp(1rem,1.35vw,1.16rem);
  line-height:1.68;
}

.chips{
  display:flex;flex-wrap:wrap;gap:9px;
  justify-content:center;
  margin-top:clamp(26px,4vh,40px);
}
.chips li{
  padding:7px 15px;
  border:1px solid var(--hair);
  border-radius:999px;
  font-size:.79rem;
  color:#bdb4e4;
  background:rgba(21,12,51,.4);
  backdrop-filter:blur(6px);
}

.cue{
  position:absolute;
  bottom:clamp(18px,3.4vh,34px);
  left:50%;transform:translateX(-50%);
  z-index:2;
  font-size:.72rem;letter-spacing:.1em;
  color:#7f77a8;
}
.cue span::after{
  content:"";display:block;
  width:1px;height:34px;margin:10px auto 0;
  background:linear-gradient(180deg,var(--cyan),transparent);
  animation:drop 2.6s ease-in-out infinite;
}
@keyframes drop{0%,100%{opacity:.25;transform:scaleY(.5)}50%{opacity:1;transform:scaleY(1)}}

/* ═══════════════════════════════════════════════════════════
   spine + bands
   ═══════════════════════════════════════════════════════════ */
.spine{
  position:relative;
  isolation:isolate;
  max-width:1180px;
  margin:0 auto;
  padding:0 var(--gut) clamp(60px,9vh,120px);
}
/* darkening wash so copy stays readable over the aurora */
.spine::after{
  content:"";
  position:absolute;inset:-6vh 0 0;
  z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,
    rgba(4,2,14,0) 0%,rgba(4,2,14,.5) 9%,
    rgba(4,2,14,.56) 90%,rgba(4,2,14,0) 100%);
}
/* the meridian: a measured vertical rule down the left edge */
.spine::before{
  content:"";
  position:absolute;
  left:calc(var(--gut) - 26px);
  top:0;bottom:clamp(60px,9vh,120px);
  width:7px;
  background:
    linear-gradient(180deg,transparent,var(--hair) 6%,var(--hair) 94%,transparent) left/1px 100% no-repeat,
    repeating-linear-gradient(180deg,var(--hair-soft) 0 1px,transparent 1px 26px);
}
@media (max-width:820px){.spine::before,.spine::after{display:none}}

.band{position:relative;padding-block:var(--band)}
.band--contact{padding-bottom:clamp(40px,6vh,70px)}

/* tick + node marking each band against the meridian */
.band::before{
  content:"";
  position:absolute;
  left:-26px;
  top:var(--band);
  width:7px;height:7px;
  margin:-3px 0 0 -3px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 12px rgba(53,240,255,.9);
}
.band:nth-of-type(even)::before{background:var(--magenta);box-shadow:0 0 12px rgba(255,61,154,.9)}
@media (max-width:820px){.band::before{display:none}}

/* two-column bands on wide screens: heading left, content right */
@media (min-width:1000px){
  .band--split{
    display:grid;
    grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);
    column-gap:clamp(40px,5vw,88px);
    align-items:start;
  }
  .band--split .h2{margin-bottom:0}
}

.h2{
  font:400 clamp(1.72rem,4.1vw,3rem)/1.14 var(--serif);
  letter-spacing:-.02em;
  max-width:26ch;
  margin-bottom:clamp(26px,4vh,44px);
  color:#fffdff;
  text-shadow:0 2px 26px rgba(6,2,20,.85);
}
.h2::after{
  content:"";display:block;
  width:54px;height:2px;margin-top:clamp(18px,2.6vh,26px);
  background:linear-gradient(90deg,var(--cyan),var(--magenta));
}

.prose{max-width:62ch;display:grid;gap:1.15em;color:#c6bfe6}

/* ── ticker ── */
.ticker{
  overflow:hidden;
  padding-block:clamp(14px,2.5vh,26px);
  border-top:1px solid var(--hair-soft);
  border-bottom:1px solid var(--hair-soft);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.ticker__track{display:flex;width:max-content;animation:slide 44s linear infinite}
.ticker__set{
  font:400 clamp(2rem,6.4vw,4.6rem)/1.1 var(--serif);
  letter-spacing:-.02em;
  white-space:nowrap;
  color:transparent;
  -webkit-text-stroke:1px rgba(160,140,255,.42);
  padding-right:.3em;
}
@keyframes slide{to{transform:translateX(-50%)}}

/* ── instrument panel ── */
.panel{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--hair-soft);
  border:1px solid var(--hair-soft);
}
.cell{
  position:relative;
  padding:clamp(22px,2.6vw,34px);
  background:rgba(9,5,24,.66);
  backdrop-filter:blur(4px);
  transition:background .35s ease;
}
.cell::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  opacity:0;
  transition:opacity .35s ease;
  background:radial-gradient(120% 100% at 0% 0%,rgba(53,240,255,.14),transparent 60%);
  box-shadow:inset 0 0 0 1px rgba(53,240,255,.34);
}
.cell:hover{background:rgba(24,14,58,.78)}
.cell:hover::after{opacity:1}
.cell h3{
  font:600 1rem/1.35 var(--sans);
  letter-spacing:.002em;
  margin:16px 0 9px;
}
.cell p{font-size:.92rem;color:#aca4d2;max-width:34ch}
.glyph{display:block;width:26px;height:26px;color:var(--cyan)}
.glyph svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.35;stroke-linecap:round;stroke-linejoin:round}
.cell:nth-child(3n-1) .glyph{color:var(--violet)}
.cell:nth-child(3n) .glyph{color:var(--magenta)}

@media (max-width:900px){.panel{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.panel{grid-template-columns:1fr}}

/* ── ledger ── */
.ledger{display:grid}
.ledger__row{
  display:grid;
  grid-template-columns:minmax(180px,.9fr) 1.6fr;
  gap:clamp(14px,3vw,44px);
  padding-block:clamp(20px,2.8vh,30px);
  border-top:1px solid var(--hair-soft);
  align-items:baseline;
}
.ledger__row:last-child{border-bottom:1px solid var(--hair-soft)}
.ledger dt{
  font:600 1rem/1.4 var(--sans);
  color:#f2eeff;
}
.ledger dd{margin:0;color:#aca4d2;font-size:.95rem;max-width:56ch}
@media (max-width:700px){
  .ledger__row{grid-template-columns:1fr;gap:8px}
}

/* ── contact ── */
.contact{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  background:var(--hair-soft);
  border:1px solid var(--hair-soft);
  max-width:820px;
}
.contact__row{
  padding:clamp(16px,2vw,24px);
  background:rgba(9,5,24,.66);
}
.contact dt{
  font-size:.74rem;letter-spacing:.05em;
  color:#8d85b5;margin-bottom:7px;
}
.contact dd{
  margin:0;
  font-size:1.02rem;
  color:#f4f1ff;
  font-variant-numeric:tabular-nums;
  overflow-wrap:anywhere;
}
@media (max-width:560px){.contact{grid-template-columns:1fr}}

/* ── footer ── */
.foot{
  position:relative;z-index:2;
  border-top:1px solid var(--hair-soft);
  padding:26px var(--gut);
  text-align:center;
  font-size:.76rem;
  color:#6f6899;
}

/* ═══════════════════════════════════════════════════════════
   reveal + motion prefs
   ═══════════════════════════════════════════════════════════ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .grain,.orrery__ring,.orrery__core,.wordmark__text,.ticker__track,.cue span::after{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
  .halo{display:none}
}