/* ============================================================
   YEET LABS — protocol foundry
   aesthetic: instrument panel / hazard signage / acid terminal
   ============================================================ */

/* YEET LABS Brand Identity v1.0 // 05.2025 */
:root{
  --ink:#000000;          /* Pure Black       */
  --ink-2:#0B0B0B;        /* Charcoal         */
  --ink-3:#171717;        /* Dark Slate       */
  --line:#232323;
  --line-hot:#343434;
  --fg:#EDEDED;           /* Off White        */
  --fg-dim:#8E8E8E;
  --fg-ghost:#565656;

  --acid:#F5FF00;         /* Fluorescent Yellow */
  --acid-dim:#AEB500;
  --hazard:#F5FF00;
  --ice:#8E8E8E;
  --violet:#8E8E8E;

  --live:#F5FF00;
  --test:#8E8E8E;
  --inc:#8E8E8E;
  --dead:#565656;

  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --disp:"Orbitron","Eurostile",sans-serif;

  --gut:clamp(18px,4vw,64px);
  --maxw:1440px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--fg);
  font-family:var(--mono);
  font-size:14px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  cursor:none;
}
::selection{background:var(--acid);color:#000}
a{color:inherit;text-decoration:none}
canvas{display:block}

/* ---------- fixed atmosphere layers ---------- */
#field{position:fixed;inset:0;z-index:0;opacity:.38}
.grain{
  position:fixed;inset:-100%;z-index:60;pointer-events:none;opacity:.055;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='220' height='220' filter='url(%23n)'/></svg>");
  animation:grain 700ms steps(2) infinite;
}
@keyframes grain{
  0%{transform:translate(0,0)}25%{transform:translate(-2%,1%)}
  50%{transform:translate(1%,-2%)}75%{transform:translate(-1%,-1%)}
  100%{transform:translate(2%,2%)}
}
.scan{
  position:fixed;inset:0;z-index:59;pointer-events:none;opacity:.35;
  background:repeating-linear-gradient(to bottom,transparent 0 3px,rgba(0,0,0,.5) 3px 4px);
  mix-blend-mode:multiply;
}
.vig{position:fixed;inset:0;z-index:58;pointer-events:none;
  background:radial-gradient(ellipse 90% 70% at 50% 40%,transparent 20%,rgba(6,6,6,.75) 78%,#000 100%)}

/* ---------- cursor ---------- */
.cur{
  position:fixed;z-index:99;pointer-events:none;left:0;top:0;
  width:26px;height:26px;margin:-13px 0 0 -13px;
  border:1px solid var(--acid);border-radius:50%;
  transition:width .22s cubic-bezier(.2,.9,.2,1),height .22s cubic-bezier(.2,.9,.2,1),
             margin .22s cubic-bezier(.2,.9,.2,1),background .22s,border-color .22s;
  mix-blend-mode:difference;
}
.cur::before,.cur::after{content:"";position:absolute;background:var(--acid);opacity:.9}
.cur::before{left:50%;top:-7px;width:1px;height:5px;transform:translateX(-50%)}
.cur::after{left:50%;bottom:-7px;width:1px;height:5px;transform:translateX(-50%)}
.cur.hot{width:52px;height:52px;margin:-26px 0 0 -26px;background:rgba(245,255,0,.14);border-color:var(--acid)}
.cur-dot{position:fixed;z-index:99;pointer-events:none;width:3px;height:3px;margin:-1.5px 0 0 -1.5px;
  background:var(--acid);border-radius:50%}
@media(hover:none){.cur,.cur-dot{display:none}body{cursor:auto}}

/* ---------- shell ---------- */
.shell{position:relative;z-index:10;max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}

/* ---------- header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px var(--gut);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,backdrop-filter .3s;
}
header.stuck{background:rgba(0,0,0,.85);backdrop-filter:blur(14px);border-color:var(--line)}
.brand{display:flex;align-items:center;gap:11px}
.mark{
  width:46px;height:auto;flex:none;display:block;
  transition:opacity .3s;
}
.brand:hover .mark{opacity:.75}
.bname{font-family:var(--disp);font-weight:800;font-size:15px;letter-spacing:.20em}
.bname em{font-style:normal;margin-left:.55em;padding:2px 6px 1px;
  background:var(--acid);color:#000;font-size:.78em;letter-spacing:.14em;vertical-align:2px}

nav{display:flex;gap:26px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-dim)}
nav a{position:relative;padding:3px 0;transition:color .2s}
nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--acid);transition:width .3s cubic-bezier(.2,.9,.2,1)}
nav a:hover{color:var(--fg)}
nav a.nav-arcade{color:var(--acid);display:flex;align-items:center;gap:7px}
nav a.nav-arcade::before{content:"";width:5px;height:5px;background:var(--acid);border-radius:50%;
  box-shadow:0 0 8px var(--acid);animation:blink 1.6s steps(2) infinite}
nav a.nav-arcade::after{background:var(--acid)}

/* walk-the-floor prompt under the board */
.floor-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:26px;padding:22px 24px;border:1px solid var(--line-hot);
  background:linear-gradient(90deg,rgba(245,255,0,.05),transparent 70%);transition:border-color .3s}
.floor-cta:hover{border-color:var(--acid)}
.floor-cta p{font-size:13px;color:var(--fg-dim);max-width:52ch}
.floor-cta p b{color:var(--fg);font-weight:600}
.floor-cta .go{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--acid);
  white-space:nowrap;display:flex;align-items:center;gap:10px}
.floor-cta:hover .go{gap:16px}
nav a:hover::after{width:100%}

.hazard{
  display:flex;align-items:center;gap:9px;padding:7px 13px;
  border:1px solid var(--hazard);color:var(--hazard);
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  background:repeating-linear-gradient(135deg,rgba(245,255,0,.10) 0 6px,transparent 6px 12px);
}
.hazard b{width:6px;height:6px;background:var(--hazard);border-radius:50%;animation:blink 1.1s steps(2) infinite}
@keyframes blink{50%{opacity:.15}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding-top:90px}
#core{position:absolute;inset:0;z-index:0}
/* legibility scrim: keeps the reactor readable behind the headline */
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(100deg,rgba(0,0,0,.95) 0%,rgba(0,0,0,.80) 34%,rgba(0,0,0,.12) 66%,transparent 100%);
}
.hero-in{position:relative;z-index:2;width:100%}

.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--acid);
  margin-bottom:26px;
}
.eyebrow::before{content:"";width:44px;height:1px;background:var(--acid)}

h1.big{
  font-family:var(--disp);font-weight:900;
  font-size:clamp(38px,8.6vw,128px);
  line-height:.94;letter-spacing:-.01em;text-transform:uppercase;
}
h1.big .l{display:block;overflow:hidden}
h1.big .l>span{display:block;transform:translateY(105%);animation:rise .95s cubic-bezier(.16,1,.3,1) forwards}
h1.big .l:nth-child(2)>span{animation-delay:.09s}
h1.big .l:nth-child(3)>span{animation-delay:.18s}
@keyframes rise{to{transform:translateY(0)}}
h1.big .out{
  color:transparent;-webkit-text-stroke:1.4px var(--fg-ghost);
}
h1.big .hot{color:var(--acid);text-shadow:0 0 60px rgba(245,255,0,.35)}
.shift{display:inline-block;margin-left:.08em}

.lede{
  max-width:50ch;margin-top:30px;font-size:15px;line-height:1.75;color:var(--fg-dim);
  opacity:0;animation:fade .8s ease .5s forwards;
}
.lede b{color:var(--fg);font-weight:600}
@keyframes fade{to{opacity:1}}

.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px;opacity:0;animation:fade .8s ease .68s forwards}
.btn{
  display:inline-flex;align-items:center;gap:12px;padding:15px 26px;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;
  border:1px solid var(--line-hot);position:relative;overflow:hidden;
  transition:color .3s,border-color .3s;
}
.btn span{position:relative;z-index:2}
.btn::before{content:"";position:absolute;inset:0;background:var(--acid);
  transform:translateY(101%);transition:transform .4s cubic-bezier(.2,.9,.2,1)}
.btn:hover::before{transform:translateY(0)}
.btn:hover{color:#000;border-color:var(--acid)}
.btn.solid{background:var(--acid);color:#000;border-color:var(--acid)}
.btn.solid::before{background:var(--ink);}
.btn.solid:hover{color:var(--acid)}

.scroll-hint{
  position:absolute;bottom:26px;left:var(--gut);z-index:3;
  font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--fg-ghost);
  display:flex;align-items:center;gap:12px;
}
.scroll-hint i{display:block;width:1px;height:38px;background:linear-gradient(var(--acid),transparent);
  animation:drop 1.8s ease-in-out infinite;transform-origin:top}
@keyframes drop{0%{transform:scaleY(0)}45%{transform:scaleY(1)}100%{transform:scaleY(0);transform-origin:bottom}}

/* risk dial */
.dial{
  position:absolute;right:var(--gut);bottom:26px;z-index:3;width:min(300px,42vw);
  opacity:0;animation:fade .8s ease .9s forwards;
}
.dial-h{display:flex;justify-content:space-between;font-size:9.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--fg-ghost);margin-bottom:9px}
.dial-h b{color:var(--acid);font-weight:400}
input[type=range]{
  -webkit-appearance:none;width:100%;height:1px;background:var(--line-hot);cursor:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:13px;height:13px;background:var(--acid);
  border-radius:0;transform:rotate(45deg);box-shadow:0 0 18px rgba(245,255,0,.7)
}
input[type=range]::-moz-range-thumb{width:13px;height:13px;background:var(--acid);border:0;border-radius:0}

/* ---------- ticker ---------- */
.ticker{
  position:relative;z-index:10;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(17,17,17,.75);backdrop-filter:blur(6px);overflow:hidden;
}
.track{display:flex;gap:0;width:max-content;animation:slide 42s linear infinite}
.ticker:hover .track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.track i{
  display:flex;align-items:center;gap:11px;padding:13px 26px;font-style:normal;
  font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--fg-dim);
  border-right:1px solid var(--line);white-space:nowrap;
}
.track i u{text-decoration:none;color:var(--fg)}
.track i s{text-decoration:none;color:var(--acid)}
.track i.d s{color:var(--hazard)}

/* ---------- sections ---------- */
section{position:relative;z-index:10;padding:clamp(80px,12vh,150px) 0}
.sec-h{display:flex;align-items:baseline;gap:20px;margin-bottom:46px;flex-wrap:wrap}
.num{font-size:10.5px;letter-spacing:.22em;color:var(--acid)}
.sec-h h2{
  font-family:var(--disp);font-weight:900;text-transform:uppercase;
  font-size:clamp(26px,4.6vw,54px);line-height:.95;letter-spacing:-.02em;
}
.sec-h p{margin-left:auto;max-width:34ch;font-size:12.5px;color:var(--fg-dim)}

.rv{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.rv.in{opacity:1;transform:none}

/* ---------- stats strip ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}
.stats div{padding:26px 22px;border-right:1px solid var(--line);position:relative;overflow:hidden}
.stats div:last-child{border-right:0}
.stats div::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--acid);transform:scaleX(0);transform-origin:left;transition:transform .5s}
.stats div:hover::after{transform:scaleX(1)}
.stats .n{font-family:var(--disp);font-weight:900;font-size:clamp(30px,4.4vw,50px);line-height:1;letter-spacing:-.02em}
.stats .k{margin-top:9px;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-dim)}
.stats .rip .n{color:var(--hazard)}

/* ---------- experiments ---------- */
.exp{border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:64px 1.15fr 1.6fr auto;gap:24px;align-items:center;
  padding:26px 8px;border-bottom:1px solid var(--line);position:relative;
  transition:padding .4s cubic-bezier(.2,.9,.2,1),background .4s;
}
.row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--acid);
  transform:scaleY(0);transition:transform .4s cubic-bezier(.2,.9,.2,1)}
.row:hover{padding-left:24px;background:linear-gradient(90deg,rgba(245,255,0,.045),transparent 60%)}
.row:hover::before{transform:scaleY(1)}
.row .idx{font-size:11px;color:var(--fg-ghost);letter-spacing:.1em}
.row h3{font-family:var(--disp);font-weight:900;font-size:clamp(20px,2.7vw,31px);
  text-transform:uppercase;letter-spacing:-.01em;line-height:1}
.row .sub{font-size:11px;color:var(--fg-ghost);margin-top:7px;letter-spacing:.11em;text-transform:uppercase}
.row .desc{font-size:13px;color:var(--fg-dim);line-height:1.65;max-width:46ch}
.row>div:last-child{display:flex;align-items:center;gap:16px;justify-content:flex-end}
.row .go{font-size:19px;color:var(--fg-ghost);transition:transform .35s cubic-bezier(.2,.9,.2,1),color .3s}
.row:hover .go{transform:translateX(9px);color:var(--acid)}
.row.dead h3{color:var(--fg-ghost)}
.row.dead:hover{background:linear-gradient(90deg,rgba(245,255,0,.05),transparent 60%)}
.row.dead::before{background:var(--hazard)}
.row.dead:hover .go{color:var(--hazard)}

.chip{
  display:inline-flex;align-items:center;gap:7px;padding:4px 9px;
  font-size:9.5px;letter-spacing:.19em;text-transform:uppercase;
  border:1px solid currentColor;
}
.chip b{width:5px;height:5px;background:currentColor;border-radius:50%}
.c-live{color:var(--live)}.c-live b{animation:blink 1.4s steps(2) infinite}
.c-test{color:var(--test)}
.c-inc{color:var(--inc)}
.c-dead{color:var(--dead)}

/* ---------- process ---------- */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.proc article{background:var(--ink);padding:32px 24px 38px;position:relative;transition:background .4s}
.proc article:hover{background:var(--ink-2)}
.proc .p-n{font-family:var(--disp);font-weight:900;font-size:56px;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--line-hot);transition:-webkit-text-stroke-color .4s,color .4s}
.proc article:hover .p-n{-webkit-text-stroke-color:var(--acid)}
.proc h4{margin-top:22px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--fg)}
.proc p{margin-top:12px;font-size:12.5px;color:var(--fg-dim);line-height:1.7}
.proc .t{position:absolute;top:26px;right:24px;font-size:10px;color:var(--acid);letter-spacing:.14em}

/* ---------- axioms ---------- */
.axioms{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.ax{background:var(--ink);padding:30px 26px;position:relative;overflow:hidden}
.ax::after{content:attr(data-i);position:absolute;right:-6px;bottom:-26px;
  font-family:var(--disp);font-weight:900;font-size:96px;color:var(--ink-3);line-height:1;transition:color .45s}
.ax:hover::after{color:rgba(245,255,0,.09)}
.ax.end{background:var(--ink-2)}
.ax.end q{color:var(--acid);font-size:26px}
.ax q{display:block;font-family:var(--disp);font-weight:900;font-size:19px;line-height:1.25;letter-spacing:-.01em;quotes:none}
.ax p{margin-top:14px;font-size:12.5px;color:var(--fg-dim);position:relative;z-index:2}

/* ---------- risk ---------- */
.risk{border-top:1px solid var(--hazard);border-bottom:1px solid var(--hazard);
  background:repeating-linear-gradient(135deg,rgba(245,255,0,.055) 0 10px,transparent 10px 20px)}
.risk-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:clamp(30px,6vw,80px);align-items:start}
.risk-in>*{min-width:0}
.risk h2{font-family:var(--disp);font-weight:900;text-transform:uppercase;
  font-size:clamp(28px,5.6vw,68px);line-height:1.0;letter-spacing:-.01em;color:var(--hazard)}
.risk h2 span{display:block;color:transparent;-webkit-text-stroke:1.2px var(--hazard)}
.risk ul{list-style:none;display:grid;gap:14px;margin-top:8px}
.risk li{position:relative;padding-left:30px;font-size:13px;color:var(--fg-dim);line-height:1.7}
.risk li::before{content:"×";position:absolute;left:0;top:0;color:var(--hazard);font-size:15px;line-height:1.5}
.risk li b{color:var(--fg);font-weight:600}
.ack{margin-top:30px;padding:18px 20px;border:1px solid var(--hazard);
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--hazard);
  display:flex;gap:14px;align-items:center}

/* ---------- join ---------- */
.join{text-align:center}
.join h2{font-family:var(--disp);font-weight:900;text-transform:uppercase;
  font-size:clamp(30px,7vw,92px);line-height:.98;letter-spacing:-.01em}
.join h2 em{font-style:normal;color:var(--acid)}
.join p{margin:22px auto 0;max-width:44ch;color:var(--fg-dim);font-size:13.5px}
.form{display:flex;gap:0;max-width:520px;margin:36px auto 0;border:1px solid var(--line-hot);transition:border-color .3s}
.form:focus-within{border-color:var(--acid)}
.form input{
  flex:1;background:transparent;border:0;outline:0;color:var(--fg);
  font-family:var(--mono);font-size:12.5px;padding:16px 18px;cursor:none;
}
.form input::placeholder{color:var(--fg-ghost);letter-spacing:.1em;text-transform:uppercase;font-size:11px}
.form button{
  background:var(--acid);color:#000;border:0;font-family:var(--mono);font-weight:600;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;padding:0 26px;cursor:none;
  transition:background .25s,color .25s;
}
.form button:hover{background:var(--fg);}
.form.done{border-color:var(--acid)}

.contact{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:36px}

/* ---------- footer ---------- */
footer{position:relative;z-index:10;border-top:1px solid var(--line);padding:44px 0 34px}
.f-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-ghost)}
.f-grid a:hover{color:var(--acid)}
.f-links{display:flex;gap:22px;flex-wrap:wrap}
.f-mark{font-family:var(--disp);font-weight:900;font-size:clamp(52px,15vw,190px);
  line-height:.8;letter-spacing:-.045em;color:transparent;-webkit-text-stroke:1px var(--line-hot);
  margin-top:40px;text-align:center;user-select:none}

/* ---------- responsive ---------- */
@media(max-width:1020px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div:nth-child(2){border-right:0}
  .stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .proc{grid-template-columns:repeat(2,1fr)}
  .risk-in{grid-template-columns:1fr}
  .row{grid-template-columns:44px 1fr auto;row-gap:12px}
  .row .desc{grid-column:2/4}
  .row>div:last-child{grid-column:2/4;justify-content:flex-start}
  nav{display:none}
}
@media(max-width:640px){
  .dial{display:none}
  .shift{display:none}
  .stats{grid-template-columns:1fr}
  .stats div{border-right:0;border-bottom:1px solid var(--line)}
  .proc{grid-template-columns:1fr}
  .sec-h p{margin-left:0}
  .hazard span{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}