/* mantaXray — technical-brutalist design system
   Dark cool-tinted base · fluo-lime primary · electric-cyan secondary · Geist / Geist Mono / Noto Sans SC */
:root{
  --bg:#090a0c;
  --bg2:#0f1218;
  --ink:#f5f7fa;
  --dim:#8c8c8f;
  --faint:#565b66;
  --line:rgba(180,200,230,.10);
  --line2:rgba(180,200,230,.18);
  --fluo:#c6ff3d;
  --cyan:#4fe0ff;
  --sans:"Geist","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:"Geist Mono","JetBrains Mono",Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-weight:400;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:80px 80px;background-position:center;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4,p{margin-top:0}
.mono{font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;color:var(--dim)}
.fx{color:var(--fluo)}
.cy{color:var(--cyan)}
.shell{width:min(1280px,100%);margin:0 auto;padding:0 clamp(16px,4vw,48px)}
.shell-flush{width:min(1280px,100%);margin:0 auto}
.rule{border:0;border-top:1px solid var(--line);margin:0}
.skip-link{position:fixed;left:14px;top:10px;z-index:80;transform:translateY(-160%);background:var(--fluo);color:#0a0a0c;padding:9px 13px;border-radius:4px;font-family:var(--mono);font-size:.72rem;font-weight:500}
.skip-link:focus{transform:none}

/* ---------- utility top bar ---------- */
.util{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;background:rgba(10,10,12,.8);backdrop-filter:blur(12px)}
.util .shell{display:flex;align-items:center;justify-content:space-between;height:54px;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;letter-spacing:-.02em;font-size:1.02rem;color:var(--ink);white-space:nowrap}
.brand .mark{width:27px;height:28px;flex:0 0 auto}
.nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--dim);padding:8px 12px;border:1px solid transparent;transition:color .15s,background .15s,border-color .15s;white-space:nowrap}
.nav a:hover,.nav a:focus-visible{color:var(--ink);border-color:var(--line2);outline:none}
.nav a.on{background:var(--fluo);color:#0a0a0c;border-color:var(--fluo)}
.util .right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.util .st{font-family:var(--mono);font-size:.7rem;color:var(--dim);display:flex;align-items:center;gap:7px;white-space:nowrap}
.util .st .d{width:7px;height:7px;background:var(--fluo);border-radius:50%;box-shadow:0 0 8px var(--fluo)}
.language-switch{display:inline-flex;border:1px solid var(--line2);border-radius:5px;overflow:hidden;flex:0 0 auto}
.language-button{min-width:38px;min-height:28px;border:0;background:transparent;color:var(--dim);cursor:pointer;font-family:var(--mono);font-size:.7rem;font-weight:500}
.language-button.is-active{background:var(--fluo);color:#0a0a0c}
.language-button:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}

/* ---------- section framing ---------- */
.sec{border-bottom:1px solid var(--line)}
.sechead{display:flex;justify-content:space-between;align-items:baseline;padding:20px clamp(16px,4vw,48px);border-bottom:1px solid var(--line);gap:16px}
.sechead .t{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink)}
.sechead .mono{color:var(--faint)}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:calc(100svh - 54px);display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.hero-manta{position:absolute;right:-10%;top:42%;transform:translateY(-50%);width:min(720px,58vw);z-index:0;opacity:.14;pointer-events:none;mix-blend-mode:screen;filter:saturate(.85);animation:mfloat 14s ease-in-out infinite}
.hero::before{content:"";position:absolute;inset:-15% -10%;z-index:0;pointer-events:none;filter:blur(36px);
  background:
    radial-gradient(42% 38% at 18% 28%,rgba(79,224,255,.16),transparent 62%),
    radial-gradient(40% 36% at 84% 60%,rgba(198,255,61,.13),transparent 62%),
    radial-gradient(46% 40% at 58% 96%,rgba(126,110,240,.14),transparent 62%);
  animation:aurora 20s ease-in-out infinite alternate}
.hero .shell{position:relative;z-index:2;width:100%}
.hero .corner{position:absolute;font-family:var(--mono);font-size:.68rem;color:var(--faint);letter-spacing:.1em;z-index:2}
.hero .c-tl{top:26px;left:clamp(16px,4vw,48px)}
.hero .c-tr{top:26px;right:clamp(16px,4vw,48px);text-align:right}
.hero .c-bl{bottom:26px;left:clamp(16px,4vw,48px)}
.hero .c-br{bottom:26px;right:clamp(16px,4vw,48px);text-align:right;max-width:300px}
.hero h1{font-family:var(--sans);font-weight:700;letter-spacing:-.045em;line-height:.9;margin:0;font-size:clamp(3.6rem,13vw,11rem);text-transform:uppercase}
.hero h1 .l2{display:block;color:var(--fluo)}
.hero .tag{margin-top:34px;max-width:540px;font-family:var(--mono);font-size:.82rem;line-height:1.7;color:var(--dim)}
.hero .tag b{color:var(--ink);font-weight:500}
.scan{position:absolute;left:0;right:0;top:50%;height:1px;background:linear-gradient(90deg,transparent,var(--fluo),transparent);opacity:.35;z-index:1}

/* page hero (non-home) */
.page-hero{position:relative;padding:96px 0 56px;border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:-20% -10% auto;height:120%;z-index:0;pointer-events:none;filter:blur(40px);
  background:radial-gradient(50% 60% at 80% 20%,rgba(198,255,61,.10),transparent 60%),radial-gradient(50% 60% at 15% 80%,rgba(79,224,255,.10),transparent 60%)}
.page-hero .shell{position:relative;z-index:2}
.page-hero .eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin:0 0 18px}
.page-hero h1{font-family:var(--sans);font-weight:700;letter-spacing:-.04em;line-height:.98;margin:0 0 20px;font-size:clamp(2.6rem,6vw,5rem);text-transform:uppercase}
.page-hero .lede{max-width:640px;color:var(--dim);font-size:clamp(1rem,1.6vw,1.2rem)}

/* ---------- index / stat strip ---------- */
.strip{display:grid;grid-template-columns:repeat(4,1fr)}
.strip>div{padding:26px 22px;border-right:1px solid var(--line)}
.strip>div:last-child{border-right:0}
.strip .n{font-family:var(--sans);font-weight:600;font-size:1.9rem;letter-spacing:-.03em;line-height:1}
.strip .mono{margin-top:10px;display:block}

/* ---------- marquee ticker ---------- */
.ticker{overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg2)}
.ticker .track{display:inline-flex;white-space:nowrap;will-change:transform;animation:marq 26s linear infinite;font-family:var(--mono);font-size:.82rem;letter-spacing:.05em;padding:14px 0;color:var(--dim)}
.ticker .track span{padding:0 24px}
.ticker .track .fx{color:var(--fluo)}
.ticker:hover .track{animation-play-state:paused}

/* ---------- works / plate grid ---------- */
.wgrid{display:grid;grid-template-columns:1fr 1fr}
.plate{position:relative;border-right:1px solid var(--line);border-bottom:1px solid var(--line);cursor:pointer;overflow:hidden}
.plate:nth-child(2n){border-right:0}
.plate.wide{grid-column:1/-1}
.plate .img{aspect-ratio:16/9;filter:grayscale(.5) contrast(1.06) brightness(.92);transition:filter .5s,transform 1s;will-change:transform}
.plate.tallimg .img{aspect-ratio:4/3}
.plate:hover .img{filter:grayscale(.05) contrast(1.1) brightness(1.05);transform:scale(1.015)}
.img.a{background:linear-gradient(135deg,#42525c,#141a20),radial-gradient(95% 95% at 72% 12%,rgba(79,224,255,.28),transparent 55%),repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 2px,transparent 2px 5px);background-blend-mode:screen,screen,overlay}
.img.b{background:radial-gradient(85% 95% at 68% 22%,#565260,#131318),radial-gradient(70% 60% at 18% 92%,rgba(198,255,61,.18),transparent 60%);background-blend-mode:screen,screen}
.img.c{background:linear-gradient(200deg,#434b59,#121419),radial-gradient(85% 75% at 28% 28%,rgba(140,140,235,.28),transparent 60%),repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 3px,transparent 3px 6px);background-blend-mode:screen,screen,overlay}
.plate .meta{display:flex;justify-content:space-between;align-items:flex-end;padding:18px 20px}
.plate .meta h3{font-family:var(--sans);font-weight:600;font-size:1.25rem;letter-spacing:-.02em;margin:0}
.plate .meta .mono{color:var(--faint)}
.plate .idx{position:absolute;top:14px;left:16px;font-family:var(--mono);font-size:.68rem;color:var(--ink);background:rgba(10,10,12,.7);padding:3px 7px;border:1px solid var(--line2)}
.plate .go{position:absolute;top:14px;right:16px;font-family:var(--mono);font-size:.7rem;color:var(--fluo);opacity:0;transition:.3s}
.plate:hover .go{opacity:1}

/* ---------- fluo / product module ---------- */
.fgrid{display:grid;grid-template-columns:1fr 1.15fr}
.fleft{padding:56px 40px 56px 0;border-right:1px solid var(--line)}
.fleft h2{font-family:var(--sans);font-weight:700;font-size:clamp(2.2rem,4vw,3.4rem);letter-spacing:-.04em;line-height:.98;margin:0 0 20px;text-transform:uppercase}
.fleft p{color:var(--dim);max-width:420px;font-size:.96rem}
.spectable{margin:32px 0;border-top:1px solid var(--line)}
.spectable .row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.78rem}
.spectable .row .k{color:var(--faint);text-transform:uppercase;letter-spacing:.05em}
.spectable .row .v{color:var(--ink)}
.acts{display:flex;gap:0;border:1px solid var(--line2);width:fit-content;flex-wrap:wrap}
.acts a{font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;padding:13px 20px;border-right:1px solid var(--line2);transition:.2s}
.acts a:last-child{border-right:0}
.acts a.pri{background:var(--fluo);color:#0a0a0c;font-weight:500}
.acts a:not(.pri):hover{background:var(--bg2)}
.fright{padding:40px}
.term{border:1px solid var(--line2);background:#0b0e14;box-shadow:0 0 90px rgba(79,224,255,.09),0 30px 80px rgba(0,0,0,.5)}
.term .tbar{display:flex;align-items:center;gap:8px;padding:11px 14px;border-bottom:1px solid var(--line)}
.term .tbar .b{width:9px;height:9px;border:1px solid var(--line2)}
.term .tbar .b.fx{background:var(--fluo);border-color:var(--fluo)}
.term .tbar .t{margin-left:6px;font-family:var(--mono);font-size:.7rem;color:var(--faint)}
.term .body{padding:18px;font-family:var(--mono);font-size:.76rem;line-height:1.9;color:var(--dim)}
.term .body .in{color:var(--ink)}
.term .body .ok{color:var(--fluo)}
.term .shot{margin-top:14px;aspect-ratio:16/10;border:1px dashed var(--line2);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--faint)}
.term .shot b{font-family:var(--sans);font-weight:500;color:var(--dim)}

/* ---------- capability / card grids (shared by fluo, projects, research, works, notes) ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.grid3.g2{grid-template-columns:repeat(2,1fr)}
.card{padding:28px clamp(20px,3vw,32px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .2s,border-color .2s}
.grid3 .card:nth-child(3n){border-right:0}
.grid3.g2 .card:nth-child(2n){border-right:0}
.card:hover{background:rgba(198,255,61,.03);border-color:rgba(198,255,61,.3)}
.card .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;color:var(--fluo);margin-bottom:12px}
.card h3{font-family:var(--sans);font-weight:600;font-size:1.1rem;letter-spacing:-.01em;margin:0 0 8px}
.card p{margin:0;color:var(--dim);font-size:.9rem;line-height:1.6}
.card .tagrow{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.card .tagrow span{font-family:var(--mono);font-size:.64rem;color:var(--dim);border:1px solid var(--line);padding:3px 8px}

/* ---------- MSCHF-style numbered index list ---------- */
.indexlist{list-style:none;margin:0;padding:0}
.indexlist li{border-bottom:1px solid var(--line)}
.indexlist a{display:grid;grid-template-columns:64px 1fr auto 34px;align-items:center;gap:18px;padding:22px clamp(16px,4vw,48px);transition:background .25s ease,color .2s}
.indexlist .ix{font-family:var(--mono);font-size:.78rem;color:var(--faint)}
.indexlist .ttl{font-family:var(--sans);font-weight:600;font-size:clamp(1.3rem,3vw,2.15rem);letter-spacing:-.025em}
.indexlist a .mono{justify-self:end}
.indexlist .ar{font-family:var(--mono);justify-self:end;opacity:0;transform:translateX(-6px);transition:.25s}
.indexlist a:hover,.indexlist a:focus-visible{background:var(--fluo);color:#0a0a0c;outline:none}
.indexlist a:hover .ix,.indexlist a:hover .mono,.indexlist a:focus-visible .ix,.indexlist a:focus-visible .mono{color:#0a0a0c}
.indexlist a:hover .ar,.indexlist a:focus-visible .ar{opacity:1;transform:none}

/* ---------- entry list (blog/notes rows) ---------- */
.entrylist{list-style:none;margin:0;padding:0}
.entrylist li{border-bottom:1px solid var(--line)}
.entrylist a{display:flex;gap:24px;align-items:baseline;padding:24px clamp(16px,4vw,48px);transition:background .2s}
.entrylist a:hover{background:rgba(198,255,61,.03)}
.entrylist .date{font-family:var(--mono);font-size:.72rem;color:var(--faint);flex:0 0 96px}
.entrylist .body{flex:1;min-width:0}
.entrylist h3{font-family:var(--sans);font-weight:600;font-size:1.25rem;letter-spacing:-.02em;margin:0 0 6px}
.entrylist p{margin:0;color:var(--dim);font-size:.92rem}
.entrylist .cat{font-family:var(--mono);font-size:.66rem;color:var(--cyan);text-transform:uppercase;letter-spacing:.06em}

/* ---------- section block with big heading ---------- */
.block{padding:88px 0}
.block .lead{max-width:760px;margin-bottom:44px}
.block h2{font-family:var(--sans);font-weight:700;font-size:clamp(2rem,4vw,3.2rem);letter-spacing:-.035em;line-height:1;margin:0 0 16px;text-transform:uppercase}
.block .lead p{color:var(--dim);font-size:clamp(1rem,1.5vw,1.15rem);margin:0}

/* ---------- CTA / footer ---------- */
.cta a{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;padding:14px 22px;border:1px solid var(--fluo);color:var(--fluo);transition:.2s}
.cta a.pri{background:var(--fluo);color:#0a0a0c;font-weight:500}
.cta a:hover{background:var(--fluo);color:#0a0a0c}
.cta a.ghost{border-color:var(--line2);color:var(--ink)}
.cta a.ghost:hover{background:var(--ink);color:#0a0a0c;border-color:var(--ink)}
.foot{position:relative;padding:110px 0 90px;overflow:hidden}
.foot-manta{position:absolute;right:-6%;top:50%;transform:translateY(-50%);width:min(460px,42vw);opacity:.1;mix-blend-mode:screen;pointer-events:none;z-index:0}
.foot .shell{position:relative;z-index:1}
.foot .mono{margin-bottom:22px;display:block}
.foot h2{font-family:var(--sans);font-weight:700;font-size:clamp(2.6rem,8vw,7rem);letter-spacing:-.045em;line-height:.92;margin:0;text-transform:uppercase}
.foot h2 .fx{color:var(--fluo)}
.foot .links{display:flex;gap:2px;margin-top:44px;flex-wrap:wrap}
.foot .links a{font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;color:var(--dim);border:1px solid var(--line);padding:11px 18px;transition:.2s}
.foot .links a:hover{color:#0a0a0c;background:var(--fluo);border-color:var(--fluo)}

/* ---------- motion ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@keyframes scanMove{0%{transform:translateY(-46vh);opacity:0}18%{opacity:.5}100%{transform:translateY(46vh);opacity:0}}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes aurora{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(0,-4%,0) scale(1.1)}}
@keyframes mfloat{0%,100%{transform:translateY(-50%) rotate(-1deg)}50%{transform:translateY(-53%) rotate(1deg)}}
.hero h1{animation:riseIn 1s cubic-bezier(.16,.84,.3,1) both}
.hero h1 .l2{animation:riseIn 1.1s .12s cubic-bezier(.16,.84,.3,1) both}
.hero .tag{animation:riseIn 1s .3s cubic-bezier(.16,.84,.3,1) both}
.hero .corner{animation:riseIn 1s .5s ease both}
.scan{animation:scanMove 4.6s ease-in-out infinite}
.js .reveal{opacity:0;transform:translateY(32px);transition:opacity .9s cubic-bezier(.16,.84,.3,1),transform .9s cubic-bezier(.16,.84,.3,1)}
.js .reveal.in{opacity:1;transform:none}
.prog{position:fixed;top:0;left:0;height:2px;width:0;background:var(--fluo);z-index:60;box-shadow:0 0 10px var(--fluo)}

/* ---------- responsive ---------- */
@media(max-width:820px){
  body{background-size:56px 56px}
  .util .shell{height:auto;flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:10px}
  .nav{order:3;width:100%;padding-bottom:2px}
  .strip{grid-template-columns:1fr 1fr}
  .strip>div:nth-child(2n){border-right:0}
  .wgrid,.fgrid,.grid3,.grid3.g2{grid-template-columns:1fr}
  .plate{border-right:0}
  .grid3 .card:nth-child(n){border-right:0}
  .fleft{border-right:0;border-bottom:1px solid var(--line);padding:44px 0}
  .fright{padding:36px 0}
  .hero .c-bl,.hero .c-br{display:none}
  .hero-manta{opacity:.1}
  .indexlist a{grid-template-columns:44px 1fr;gap:10px}
  .indexlist a .mono,.indexlist .ar{display:none}
  .entrylist a{flex-direction:column;gap:6px}
}
@media(max-width:520px){
  .page-hero{padding:64px 0 40px}
  .block{padding:60px 0}
}
@media (prefers-reduced-motion:reduce){
  *,.hero h1,.hero h1 .l2,.hero .tag,.scan,.ticker .track,.hero-manta,.hero::before{animation:none!important}
  .js .reveal{opacity:1!important;transform:none!important}
}