/* ══════════════════════════════════════════════════════════════
   NYX TECHLAB — nyxtechlab.net
   Void terminal. Acid accent. Built for humans.
   ══════════════════════════════════════════════════════════════ */

:root{
  --void:#050507;
  --ink:#0a0a0d;
  --raise:#0f0f14;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --fg:#ececed;
  --mid:#9a9aa6;
  --dim:#63636f;
  --acid:#d0ff2f;
  --acid-dk:#a5cc16;
  --volt:#6d3bff;

  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --disp:"Archivo","Helvetica Neue",Helvetica,Arial,sans-serif;

  --pad:clamp(1.25rem,5vw,5.5rem);
  --max:1240px;
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:5rem;
}

body{
  margin:0;
  background:var(--void);
  color:var(--fg);
  font-family:var(--disp);
  font-size:clamp(1rem,.95rem + .2vw,1.0625rem);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

::selection{background:var(--acid);color:#000}

:focus-visible{
  outline:2px solid var(--acid);
  outline-offset:3px;
}

.skip{
  position:fixed;top:-100px;left:1rem;z-index:999;
  background:var(--acid);color:#000;padding:.6rem 1rem;
  font:700 .75rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;
  transition:top .18s ease;
}
.skip:focus{top:1rem}

/* ═══ AMBIENT FX ═══════════════════════════════════════════════ */

.fx-grain,.fx-scan,.fx-spot{
  position:fixed;inset:0;pointer-events:none;z-index:90;
}

.fx-grain{
  opacity:.5;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}

.fx-scan{
  opacity:.32;
  background:repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,.22) 3px
  );
}

/* cursor spotlight — driven by --mx/--my in script.js */
.fx-spot{
  z-index:1;
  background:radial-gradient(
    460px circle at var(--mx,50%) var(--my,22%),
    rgba(109,59,255,.16),
    rgba(109,59,255,.05) 42%,
    transparent 70%
  );
  transition:opacity .4s ease;
}

/* ═══ NAV ══════════════════════════════════════════════════════ */

.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.85rem var(--pad);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.nav.is-stuck{
  background:rgba(5,5,7,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
}

.nav__mark{
  display:flex;align-items:center;gap:.6rem;
  font:800 .8125rem/1 var(--mono);letter-spacing:.14em;
}
.nav__glyph{color:var(--acid);display:flex;transition:transform .35s cubic-bezier(.2,.9,.2,1)}
.nav__mark:hover .nav__glyph{transform:rotate(-90deg)}
.nav__slash{color:var(--acid);margin:0 .1em}

.nav__links{
  display:flex;align-items:center;gap:clamp(.9rem,2.2vw,2rem);
  font:500 .75rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;
}
.nav__links>a{color:var(--mid);position:relative;padding:.35rem 0;transition:color .2s ease}
.nav__links>a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--acid);transition:width .25s cubic-bezier(.2,.9,.2,1);
}
.nav__links>a:hover{color:var(--fg)}
.nav__links>a:hover::after{width:100%}

.nav__cta{
  color:var(--void)!important;background:var(--acid);
  padding:.55rem .9rem!important;font-weight:700;
  transition:box-shadow .2s ease,transform .2s ease;
}
.nav__cta::after{display:none}
.nav__cta span{display:inline-block;transition:transform .2s ease}
.nav__cta:hover{box-shadow:0 0 0 1px var(--acid),0 0 24px rgba(208,255,47,.35)}
.nav__cta:hover span{transform:translateX(3px)}

@media (max-width:640px){
  .nav__links>a:not(.nav__cta){display:none}
}

/* ═══ HERO ═════════════════════════════════════════════════════ */

.hero{
  position:relative;
  min-height:100svh;
  display:flex;align-items:center;
  padding:clamp(6rem,11vh,8rem) var(--pad) clamp(3.5rem,7vh,5rem);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}

/* vertical hairline grid */
.hero__rules{
  position:absolute;inset:0;
  display:grid;grid-template-columns:repeat(5,1fr);
  padding:0 var(--pad);pointer-events:none;
}
.hero__rules i{border-left:1px solid rgba(255,255,255,.045)}
.hero__rules i:first-child{border-left-color:rgba(255,255,255,.02)}

.hero::after{ /* acid bleed from the floor */
  content:"";position:absolute;left:0;right:0;bottom:-40%;height:70%;
  background:radial-gradient(60% 100% at 22% 100%,rgba(208,255,47,.10),transparent 72%);
  pointer-events:none;
}

.hero__inner{position:relative;z-index:2;width:100%;max-width:var(--max);margin:0 auto}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  margin:0 0 clamp(1.1rem,2.4vh,1.9rem);
  font:500 .6875rem/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;
  color:var(--mid);
  border:1px solid var(--line);padding:.5rem .85rem;
  background:rgba(255,255,255,.02);
}
.dot{
  width:6px;height:6px;background:var(--acid);border-radius:50%;
  box-shadow:0 0 0 3px rgba(208,255,47,.16);
  animation:blip 2.4s ease-in-out infinite;
}
@keyframes blip{0%,100%{opacity:1}50%{opacity:.28}}

.hero__h1{
  margin:0 0 clamp(1.25rem,2.6vh,2rem);
  font-family:var(--disp);
  font-weight:900;
  font-size:clamp(2.75rem,min(9.2vw,13.5vh),8rem);
  line-height:.87;
  letter-spacing:-.045em;
  text-transform:uppercase;
}
.hero__h1 .line{display:block;position:relative}
.line--acid{color:var(--acid);text-shadow:0 0 60px rgba(208,255,47,.28)}

/* glitch slices */
.hero__h1 .line::before,
.hero__h1 .line::after{
  content:attr(data-text);
  position:absolute;inset:0;
  clip-path:inset(100% 0 0 0);
  pointer-events:none;
}
.hero__h1 .line::before{color:var(--volt);transform:translateX(-3px)}
.hero__h1 .line::after{color:#ff2e6b;transform:translateX(3px)}
.hero__h1.is-glitching .line::before{animation:slice-a .38s steps(2,end) both}
.hero__h1.is-glitching .line::after{animation:slice-b .38s steps(2,end) both}

@keyframes slice-a{
  0%{clip-path:inset(100% 0 0 0)}
  15%{clip-path:inset(16% 0 62% 0)}
  35%{clip-path:inset(58% 0 22% 0)}
  55%{clip-path:inset(30% 0 48% 0)}
  75%{clip-path:inset(72% 0 8% 0)}
  100%{clip-path:inset(100% 0 0 0)}
}
@keyframes slice-b{
  0%{clip-path:inset(100% 0 0 0)}
  20%{clip-path:inset(66% 0 14% 0)}
  40%{clip-path:inset(24% 0 58% 0)}
  60%{clip-path:inset(80% 0 4% 0)}
  80%{clip-path:inset(42% 0 40% 0)}
  100%{clip-path:inset(100% 0 0 0)}
}

.hero__lede{
  max-width:56ch;margin:0 0 clamp(1.6rem,3.2vh,2.5rem);
  font-size:clamp(1.0625rem,.98rem + .45vw,1.3125rem);
  line-height:1.62;color:var(--mid);
}
.hero__lede em{color:var(--fg);font-style:italic}

.hero__actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:clamp(2rem,4.5vh,3.5rem)}

.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.95rem 1.5rem;
  font:700 .75rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--acid);
  transition:background .2s ease,color .2s ease,box-shadow .25s ease,transform .2s ease;
}
.btn span{display:inline-block;transition:transform .22s cubic-bezier(.2,.9,.2,1)}
.btn:hover span{transform:translateX(4px)}
.btn--solid{background:var(--acid);color:var(--void)}
.btn--solid:hover{box-shadow:0 0 30px rgba(208,255,47,.4);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--fg);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--fg);background:rgba(255,255,255,.04)}
.btn--big{padding:1.15rem 2rem;font-size:.8125rem}

.hero__stats{
  display:flex;flex-wrap:wrap;gap:0;margin:0;
  border-top:1px solid var(--line);
}
.hero__stats>div{
  flex:1 1 180px;padding:clamp(.85rem,1.8vh,1.1rem) 1.25rem clamp(.85rem,1.8vh,1.1rem) 0;
  border-right:1px solid var(--line);
}
.hero__stats>div:last-child{border-right:0}
.hero__stats>div:not(:first-child){padding-left:1.25rem}
.hero__stats dt{
  font:500 .625rem/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--dim);margin-bottom:.45rem;
}
.hero__stats dd{margin:0;font-size:.9375rem;font-weight:600;color:var(--fg)}

/* stacked, they need horizontal rules — not the column dividers */
@media (max-width:620px){
  .hero__stats{display:grid;grid-template-columns:1fr}
  .hero__stats>div,
  .hero__stats>div:not(:first-child){
    padding:.85rem 0;border-right:0;border-bottom:1px solid var(--line);
  }
  .hero__stats>div:last-child{border-bottom:0}
}

.hero__scroll{
  position:absolute;right:var(--pad);bottom:2rem;z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:.75rem;
  font:500 .5625rem/1 var(--mono);letter-spacing:.28em;color:var(--dim);
  writing-mode:vertical-rl;
}
.hero__scroll i{
  writing-mode:horizontal-tb;
  width:1px;height:52px;background:linear-gradient(var(--acid),transparent);
  animation:drop 2.2s ease-in-out infinite;
}
@keyframes drop{0%,100%{opacity:.25;transform:scaleY(.5)}50%{opacity:1;transform:scaleY(1)}}
@media (max-width:820px){.hero__scroll{display:none}}

/* ═══ MARQUEE ══════════════════════════════════════════════════ */

.marquee{
  overflow:hidden;border-bottom:1px solid var(--line);
  background:var(--ink);padding:.9rem 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee__track{
  display:flex;align-items:center;gap:1.5rem;width:max-content;
  font:700 .75rem/1 var(--mono);letter-spacing:.2em;
  color:var(--mid);white-space:nowrap;
  animation:slide 34s linear infinite;
}
.marquee__track b{color:var(--acid);font-size:.5rem}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ═══ SECTION SHELL ════════════════════════════════════════════ */

.sec{
  position:relative;z-index:2;
  max-width:var(--max);margin:0 auto;
  padding:clamp(4rem,8vw,7rem) var(--pad);
}
.sec+.sec{border-top:1px solid var(--line)}

.sec__head{margin-bottom:clamp(2.5rem,5vw,4rem)}
.sec__num{
  display:block;margin-bottom:1rem;
  font:700 .6875rem/1 var(--mono);letter-spacing:.28em;color:var(--acid);
}
.sec__num::before{content:"[ "}
.sec__num::after{content:" ]"}
.sec__title{
  margin:0;font-weight:800;
  font-size:clamp(2rem,5.5vw,3.75rem);
  line-height:1;letter-spacing:-.035em;text-transform:uppercase;
}
.sec__sub{margin:1rem 0 0;color:var(--mid);max-width:48ch;font-size:1.0625rem}

/* ═══ 01 · THESIS ══════════════════════════════════════════════ */

.thesis__big{
  margin:0 0 clamp(2.5rem,5vw,3.5rem);
  max-width:22ch;
  font-weight:800;
  font-size:clamp(1.6rem,4.6vw,3rem);
  line-height:1.12;letter-spacing:-.03em;
}
.hl{
  color:var(--acid);position:relative;white-space:nowrap;
}
.hl::after{
  content:"";position:absolute;left:0;right:0;bottom:.08em;height:.09em;
  background:var(--acid);opacity:.35;
}

.thesis__cols{
  display:grid;gap:clamp(1.5rem,3vw,2.5rem);
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  border-top:1px solid var(--line);padding-top:clamp(1.75rem,3vw,2.5rem);
}
.thesis__cols p{margin:0;color:var(--mid);font-size:.9875rem;line-height:1.72}
.thesis__cols p::first-line{color:var(--fg)}

/* ═══ 02 · TOOLS ═══════════════════════════════════════════════ */

.cards{
  list-style:none;margin:0;padding:0;
  display:grid;gap:1px;
  grid-template-columns:1fr;
  background:var(--line);
  border:1px solid var(--line);
}
.card{
  position:relative;isolation:isolate;
  background:var(--ink);
  padding:clamp(1.6rem,3vw,2.25rem);
  display:flex;flex-direction:column;
  transition:background .3s ease;
}
.card::before{ /* acid wipe on hover */
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(160deg,rgba(208,255,47,.07),transparent 55%);
  opacity:0;transition:opacity .35s ease;
}
.card:hover{background:var(--raise)}
.card:hover::before{opacity:1}
.card::after{ /* top edge light */
  content:"";position:absolute;top:0;left:0;height:2px;width:0;
  background:var(--acid);transition:width .4s cubic-bezier(.2,.9,.2,1);
}
.card:hover::after{width:100%}

@media (min-width:760px){
  .cards{grid-template-columns:1fr 1fr}
}

.card__idx{
  font:700 .625rem/1 var(--mono);letter-spacing:.2em;color:var(--dim);
}
.card__tag{
  position:absolute;top:clamp(1.6rem,3vw,2.25rem);right:clamp(1.6rem,3vw,2.25rem);
  font:500 .5625rem/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--dim);border:1px solid var(--line-2);padding:.35rem .5rem;
}
.card__tag--live{color:var(--acid);border-color:rgba(208,255,47,.45)}
.card__tag--lab{color:#a98cff;border-color:rgba(140,110,255,.45)}

.card h3{
  margin:1.5rem 0 .85rem;
  font-size:1.375rem;font-weight:800;letter-spacing:-.02em;
}
.card>p{margin:0 0 1.4rem;color:var(--mid);font-size:.9375rem;line-height:1.68}

.card__meta{
  list-style:none;margin:auto 0 0;padding:1rem 0 0;
  display:flex;flex-wrap:wrap;gap:.4rem;
  border-top:1px solid var(--line);
}
.card__meta li{
  font:500 .625rem/1 var(--mono);letter-spacing:.1em;
  color:var(--dim);background:rgba(255,255,255,.035);padding:.4rem .6rem;
}

/* ═══ 03 · CODE ════════════════════════════════════════════════ */

.rules{list-style:none;margin:0;padding:0;counter-reset:r}
.rules li{
  display:grid;
  grid-template-columns:5.5rem 1fr;
  grid-template-rows:auto auto;
  align-content:start;
  column-gap:clamp(1rem,3vw,2.5rem);
  row-gap:0;
  padding:clamp(1.5rem,3vw,2.25rem) 0;
  border-top:1px solid var(--line);
  transition:padding-left .3s cubic-bezier(.2,.9,.2,1);
}
.rules li:last-child{border-bottom:1px solid var(--line)}
.rules li:hover{padding-left:.75rem}
.rules li:hover .rules__n{color:var(--acid)}

.rules__n{
  grid-column:1;grid-row:1/span 2;
  font:700 1.5rem/1 var(--mono);letter-spacing:.05em;
  color:var(--dim);transition:color .25s ease;
  padding-top:.15rem;
}
.rules h3{
  grid-column:2;
  margin:0 0 .6rem;font-size:clamp(1.125rem,2.4vw,1.5rem);
  font-weight:800;letter-spacing:-.02em;
}
.rules p{
  grid-column:2;
  margin:0;color:var(--mid);max-width:62ch;font-size:.9375rem;line-height:1.7;
}

@media (max-width:560px){
  .rules li{grid-template-columns:1fr;row-gap:.5rem}
  .rules__n{grid-column:1;grid-row:auto;font-size:1.125rem}
  .rules h3,.rules p{grid-column:1}
}

/* ═══ 04 · CONTACT ═════════════════════════════════════════════ */

.sec--contact{padding-bottom:clamp(5rem,11vw,9rem)}
.cta{
  position:relative;
  border:1px solid var(--line-2);
  padding:clamp(2.25rem,6vw,5rem);
  background:
    radial-gradient(90% 140% at 90% 0%,rgba(109,59,255,.16),transparent 62%),
    linear-gradient(180deg,var(--raise),var(--ink));
  overflow:hidden;
}
.cta::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--acid),transparent 55%);
}
.cta__h{
  margin:.5rem 0 1.25rem;
  font-size:clamp(2.25rem,7vw,5rem);font-weight:900;
  line-height:.94;letter-spacing:-.04em;text-transform:uppercase;
}
.cur{color:var(--acid);animation:caret 1.1s steps(1,end) infinite}
@keyframes caret{0%,49%{opacity:1}50%,100%{opacity:0}}
.cta__p{
  margin:0 0 2.25rem;max-width:50ch;
  color:var(--mid);font-size:clamp(1rem,.96rem + .3vw,1.1875rem);line-height:1.65;
}

/* ═══ FOOTER ═══════════════════════════════════════════════════ */

.foot{
  position:relative;z-index:2;
  border-top:1px solid var(--line);
  padding:clamp(2.25rem,5vw,3.5rem) var(--pad) 2rem;
  max-width:var(--max);margin:0 auto;
}
.foot__row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:1rem 2rem;
}
.foot__mark{font:800 .8125rem/1 var(--mono);letter-spacing:.14em}
.foot__quote{
  margin:0;max-width:52ch;color:var(--dim);
  font-size:.8125rem;font-style:italic;line-height:1.6;
}
.foot__row--fine{
  margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--line);
  font:500 .6875rem/1 var(--mono);letter-spacing:.1em;color:var(--dim);
  text-transform:uppercase;
}
.foot__status{display:inline-flex;align-items:center;gap:.5rem}
.pulse{
  width:6px;height:6px;border-radius:50%;background:var(--acid);
  box-shadow:0 0 8px var(--acid);animation:blip 2.4s ease-in-out infinite;
}

/* ═══ REVEAL ═══════════════════════════════════════════════════ */

.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.9,.2,1)}
.js .reveal.is-in{opacity:1;transform:none}

/* ═══ MOTION / CONTRAST PREFERENCES ════════════════════════════ */

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
  .js .reveal{opacity:1;transform:none}
  .fx-spot{display:none}
  .marquee__track{animation:none;transform:none}
}

@media (prefers-contrast:more){
  :root{--mid:#c9c9d2;--dim:#a0a0ab;--line:rgba(255,255,255,.22);--line-2:rgba(255,255,255,.4)}
  .fx-scan,.fx-grain{display:none}
}

@media print{
  .fx-grain,.fx-scan,.fx-spot,.marquee,.hero__scroll{display:none}
  body{background:#fff;color:#000}
}