/* ============================================================
   Suyash Dubey — Applied AI Engineer
   Design system: dark iridescent / oversized condensed display
   ============================================================ */

:root{
  --bg:#06060a;
  --bg-2:#0a0a12;
  --bg-3:#0e0e18;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.055);
  --fg:#f5f5f8;
  --fg-dim:#a5a5b8;
  --fg-mute:#71718a;

  --violet:#7c5cff;
  --cyan:#3fe4ff;
  --magenta:#ff5cd0;
  --lime:#c8ff4d;

  --grad-iris:linear-gradient(100deg,#3fe4ff 0%,#7c5cff 38%,#ff5cd0 70%,#ffd36e 100%);

  --font-display:"Anton",'Arial Narrow',Impact,system-ui,sans-serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --pad:clamp(20px,5vw,72px);
  --maxw:1380px;
  --r:16px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ambient field ------------------------------------------------ */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(58vw 46vw at 78% -6%, rgba(124,92,255,.20), transparent 62%),
    radial-gradient(46vw 40vw at 6% 12%, rgba(63,228,255,.10), transparent 60%),
    radial-gradient(60vw 50vw at 50% 108%, rgba(255,92,208,.10), transparent 62%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:88px 88px;
  mask-image:radial-gradient(ellipse 100% 70% at 50% 0%,#000 20%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 100% 70% at 50% 0%,#000 20%,transparent 80%);
}
main,header,footer{position:relative;z-index:1}

/* type --------------------------------------------------------- */
h1,h2,h3,h4{margin:0;font-weight:400;letter-spacing:-.02em}
.display{
  font-family:var(--font-display);
  text-transform:uppercase;
  line-height:.86;
  letter-spacing:-.015em;
  font-weight:400;
}
h1.display{font-size:clamp(2.5rem,7vw,7.2rem);overflow-wrap:normal;hyphens:none}
h2.display{font-size:clamp(2.2rem,5.6vw,5rem)}
h3.display{font-size:clamp(1.5rem,2.4vw,2.3rem)}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--fg-mute);
  display:flex;align-items:center;gap:.6em;
  margin:0 0 1.1rem;
}
.eyebrow::before{
  content:"";width:26px;height:1px;background:var(--grad-iris);flex:none;
}
.lead{font-size:clamp(1rem,1.35vw,1.2rem);color:var(--fg-dim);max-width:62ch}
.muted{color:var(--fg-mute)}
.iris-text{
  background:var(--grad-iris);-webkit-background-clip:text;background-clip:text;color:transparent;
}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
section{padding-block:clamp(72px,10vw,150px)}
.sec-head{display:flex;flex-wrap:wrap;gap:24px 48px;align-items:flex-end;justify-content:space-between;margin-bottom:clamp(36px,5vw,68px)}
.sec-head .lead{max-width:46ch}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* buttons ------------------------------------------------------ */
.btn{
  --btn-bg:transparent;--btn-fg:var(--fg);--btn-bd:var(--line);
  position:relative;display:inline-flex;align-items:center;gap:.65em;
  padding:15px 26px;border-radius:999px;border:1px solid var(--btn-bd);
  background:var(--btn-bg);color:var(--btn-fg);
  font-family:inherit;font-size:.9rem;font-weight:500;line-height:1.2;letter-spacing:.01em;cursor:pointer;
  transition:transform .5s var(--ease),background .35s,color .35s,border-color .35s;
  will-change:transform;overflow:hidden;white-space:nowrap;
}
.btn span{position:relative;z-index:1}
.btn .arw{transition:transform .45s var(--ease)}
.btn:hover .arw{transform:translate(3px,-3px)}
.btn--solid{--btn-bg:var(--fg);--btn-fg:#08080d;--btn-bd:var(--fg)}
.btn--solid::after{
  content:"";position:absolute;inset:0;z-index:0;background:var(--grad-iris);
  opacity:0;transition:opacity .4s;
}
.btn--solid:hover::after{opacity:1}
.btn--ghost:hover{border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.045)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* surfaces ----------------------------------------------------- */
.card{
  position:relative;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  overflow:hidden;isolation:isolate;
}
.card::before{
  content:"";position:absolute;inset:-1px;z-index:-1;border-radius:inherit;opacity:0;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(124,92,255,.30),transparent 62%);
  transition:opacity .45s;
}
.card:hover::before{opacity:1}
.card--tilt{transition:transform .6s var(--ease),border-color .4s;transform-style:preserve-3d;will-change:transform}
.card--tilt:hover{border-color:rgba(255,255,255,.22)}

/* ============================ NAV ============================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .45s,backdrop-filter .45s,border-color .45s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(6,6,10,.72);backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);border-bottom-color:var(--line);
}
.nav__in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-weight:600;letter-spacing:-.01em;white-space:nowrap}
.mono-badge{
  width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;
  font-family:var(--font-display);font-size:.95rem;letter-spacing:.02em;
  color:#08080d;background:var(--grad-iris);
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 8px 26px -10px rgba(124,92,255,.9);
}
.brand small{display:block;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-mute);font-weight:400}
.nav__links{display:flex;align-items:center;gap:4px}
.nav__links a{
  position:relative;padding:9px 14px;border-radius:999px;font-size:.875rem;color:var(--fg-dim);
  transition:color .3s,background .3s;
}
.nav__links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:1px;background:var(--grad-iris);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.nav__links a:hover{color:var(--fg)}
.nav__links a:hover::after{transform:scaleX(1)}
.nav__cta{display:flex;align-items:center;gap:14px}
.clock{font-family:var(--font-mono);font-size:.7rem;color:var(--fg-mute);letter-spacing:.08em;white-space:nowrap}
.clock i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:7px;vertical-align:middle;box-shadow:0 0 0 3px rgba(200,255,77,.16);animation:pulse 2.6s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(200,255,77,0)}}
.nav__toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;cursor:pointer;padding:0;place-items:center}
.nav__toggle span{display:block;width:17px;height:1.5px;background:var(--fg);margin:3.5px auto;transition:transform .4s var(--ease),opacity .3s}
.nav.is-open .nav__toggle span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav.is-open .nav__toggle span:nth-child(2){opacity:0}
.nav.is-open .nav__toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

@media (max-width:1180px){.clock{display:none}}
@media (max-width:1080px){
  .nav__links a{padding-inline:10px;font-size:.84rem}
  .nav__in{gap:14px}
}
@media (max-width:940px){
  .nav__toggle{display:grid}
  .nav__links{
    position:fixed;inset:74px 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(8,8,14,.96);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);
    padding:12px var(--pad) 26px;
    clip-path:inset(0 0 100% 0);transition:clip-path .55s var(--ease);
  }
  .nav.is-open .nav__links{clip-path:inset(0 0 0 0)}
  .nav__links a{padding:15px 0;font-size:1.05rem;border-bottom:1px solid var(--line-2)}
  .nav__cta .btn{display:none}
}

/* ============================ HERO ============================ */
.hero{position:relative;padding-top:clamp(112px,15vh,168px);padding-bottom:clamp(48px,7vw,96px);min-height:100svh;display:flex;align-items:center}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px,4vw,64px);align-items:center;width:100%}
.hero__copy{max-width:none}
h1.display .ln{display:block;overflow:hidden}
h1.display .ln i{display:block;font-style:normal;transform:translateY(105%);opacity:0;filter:blur(14px)}
.is-ready h1.display .ln i{animation:lineUp 1.15s var(--ease) forwards}
.is-ready h1.display .ln:nth-child(2) i{animation-delay:.11s}
.is-ready h1.display .ln:nth-child(3) i{animation-delay:.22s}
@keyframes lineUp{to{transform:translateY(0);opacity:1;filter:blur(0)}}
h1.display .dim{color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.42)}
.hero__sub{margin-top:26px;max-width:54ch}
.hero .btn-row{margin-top:34px}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:var(--fg-mute)}

/* prism stage */
.stage{position:relative;aspect-ratio:1/1;width:100%;max-width:660px;margin-inline:auto}
.stage canvas,.stage .fallback{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage .fallback{opacity:0;transition:opacity .8s}
.stage[data-mode="svg"] .fallback{opacity:1}
.stage[data-mode="gl"] .fallback{display:none}
.stage::after{
  content:"";position:absolute;inset:8%;border-radius:50%;z-index:-1;
  background:radial-gradient(circle,rgba(124,92,255,.32),transparent 66%);filter:blur(46px);
}
.chip{
  position:absolute;z-index:3;display:flex;align-items:center;gap:9px;
  padding:9px 13px;border-radius:12px;border:1px solid var(--line);
  background:rgba(10,10,18,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  font-family:var(--font-mono);font-size:.63rem;letter-spacing:.11em;text-transform:uppercase;color:var(--fg-dim);
  white-space:nowrap;box-shadow:0 18px 40px -22px #000;
  opacity:0;transform:translateY(12px) scale(.96);
  animation:chipIn .9s var(--ease) forwards;
}
.chip b{color:var(--lime);font-weight:500}
.chip::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px var(--lime)}
.chip--v::before{background:var(--violet);box-shadow:0 0 8px var(--violet)}
.chip--v b{color:#b9a6ff}
.chip--c::before{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.chip--c b{color:#9be9ff}
@keyframes chipIn{to{opacity:1;transform:translateY(0) scale(1)}}
.chip:nth-of-type(1){top:11%;left:-4%;animation-delay:.75s}
.chip:nth-of-type(2){top:29%;right:-6%;animation-delay:.92s}
.chip:nth-of-type(3){bottom:24%;left:-7%;animation-delay:1.09s}
.chip:nth-of-type(4){bottom:8%;right:2%;animation-delay:1.26s}
.chip.float{animation:chipIn .9s var(--ease) forwards,bob 7s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-9px)}}

@media (max-width:980px){
  .hero{min-height:auto;padding-top:120px}
  .hero__grid{grid-template-columns:1fr}
  .hero__copy{max-width:none;order:1}
  .stage{order:2;max-width:min(88vw,480px)}
  .chip:nth-of-type(1){left:-2%}
  .chip:nth-of-type(3){left:-2%}
  .chip:nth-of-type(2){right:-2%}
}
@media (max-width:520px){
  .chip{font-size:.56rem;padding:7px 10px}
  .chip:nth-of-type(4){display:none}
}

/* scroll cue */
.cue{display:flex;align-items:center;gap:10px;margin-top:52px;font-family:var(--font-mono);font-size:.63rem;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-mute)}
.cue s{display:block;width:56px;height:1px;background:linear-gradient(90deg,var(--fg-mute),transparent);position:relative;overflow:hidden}
.cue s::after{content:"";position:absolute;inset:0;background:var(--grad-iris);transform:translateX(-100%);animation:sweep 2.6s infinite var(--ease)}
@keyframes sweep{60%,100%{transform:translateX(100%)}}

/* ========================= METRICS ========================= */
.metrics{border-block:1px solid var(--line);background:rgba(255,255,255,.014)}
.metrics .wrap{padding-block:clamp(40px,5vw,64px)}
.metrics__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.metric{background:var(--bg);padding:26px clamp(14px,2vw,30px);position:relative;overflow:hidden}
.metric::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--grad-iris);transform:scaleX(0);transform-origin:left;transition:transform .9s var(--ease)}
.metric.in::after{transform:scaleX(1)}
.metric b{display:block;font-family:var(--font-display);font-size:clamp(2.4rem,4.4vw,3.9rem);line-height:.92;letter-spacing:-.02em}
.metric b em{font-style:normal;font-size:.5em;color:var(--fg-mute);margin-right:.06em}
.metric p{margin:.7rem 0 0;font-size:.83rem;color:var(--fg-mute);line-height:1.45}
.footnote{margin-top:22px;font-size:.72rem;color:var(--fg-mute);max-width:78ch}
@media (max-width:860px){.metrics__grid{grid-template-columns:repeat(2,1fr)}}

/* ========================= MARQUEE ========================= */
.marquee{border-bottom:1px solid var(--line);overflow:hidden;padding-block:22px;background:var(--bg-2)}
.marquee__track{display:flex;width:max-content;gap:0;animation:slide 42s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.marquee__track span{
  display:inline-flex;align-items:center;gap:34px;padding-inline:17px;
  font-family:var(--font-display);text-transform:uppercase;font-size:1.05rem;letter-spacing:.04em;color:rgba(255,255,255,.30);
  white-space:nowrap;transition:color .3s;
}
.marquee__track span::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--violet)}
.marquee__track span.hi{color:transparent;background:var(--grad-iris);-webkit-background-clip:text;background-clip:text}

/* ========================= SERVICES ========================= */
.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.svc__item{padding:clamp(26px,3vw,40px);display:flex;flex-direction:column;gap:16px;min-height:100%}
.svc__n{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;color:var(--fg-mute)}
.svc__ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;border:1px solid var(--line);background:rgba(255,255,255,.04)}
.svc__ico svg{width:22px;height:22px;stroke:url(#irisStroke);stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.svc__item h3{font-size:1.42rem;letter-spacing:-.02em;line-height:1.2}
.svc__item p{color:var(--fg-dim);font-size:.95rem;margin:0}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:14px}
.tag{
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.09em;text-transform:uppercase;
  padding:6px 11px;border-radius:999px;border:1px solid var(--line);color:var(--fg-mute);
}
.svc__meta{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;color:var(--fg-mute);border-top:1px solid var(--line-2);padding-top:15px}
.svc__meta b{color:var(--fg-dim);font-weight:400}
@media (max-width:820px){.svc{grid-template-columns:1fr}}

/* ========================= PROCESS ========================= */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.step{padding:clamp(24px,2.6vw,36px);border-right:1px solid var(--line);position:relative;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent)}
.step:last-child{border-right:0}
.step__n{font-family:var(--font-display);font-size:2.6rem;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.26);transition:-webkit-text-stroke-color .4s,color .4s}
.step:hover .step__n{color:transparent;-webkit-text-stroke-color:rgba(124,92,255,.9)}
.step h3{font-size:1.1rem;margin:16px 0 9px;letter-spacing:-.01em}
.step p{font-size:.88rem;color:var(--fg-mute);margin:0}
@media (max-width:900px){.process{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:520px){.process{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}}

/* ========================= WORK ========================= */
.work{display:flex;flex-direction:column;gap:14px}
.work__row{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(18px,3vw,46px);align-items:center;
  padding:clamp(22px,2.6vw,34px);border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.008));
  position:relative;overflow:hidden;transition:border-color .4s,transform .6s var(--ease);
}
.work__row::before{
  content:"";position:absolute;inset:0;background:radial-gradient(520px circle at var(--mx,50%) var(--my,50%),rgba(124,92,255,.16),transparent 60%);
  opacity:0;transition:opacity .5s;
}
.work__row:hover{border-color:rgba(255,255,255,.22)}
.work__row:hover::before{opacity:1}
.work__idx{font-family:var(--font-mono);font-size:.7rem;color:var(--fg-mute);letter-spacing:.12em;position:relative}
.work__body{position:relative}
.work__body h3{font-size:clamp(1.35rem,2.4vw,2rem);letter-spacing:-.025em;line-height:1.14}
.work__body .org{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-mute);margin-bottom:10px;display:block}
.work__body p{color:var(--fg-dim);font-size:.94rem;margin:.7rem 0 0;max-width:70ch}
.work__stat{display:flex;gap:22px;flex-wrap:wrap;margin-top:16px;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.11em;text-transform:uppercase;color:var(--fg-mute)}
.work__stat b{color:var(--lime);font-weight:500}
@media (max-width:760px){.work__row{grid-template-columns:1fr;gap:14px}}

/* builds grid */
.builds{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.build{padding:24px;display:flex;flex-direction:column;gap:11px}
.build h4{font-size:1.02rem;letter-spacing:-.01em;line-height:1.25}
.build p{font-size:.85rem;color:var(--fg-mute);margin:0;flex:1}
@media (max-width:980px){.builds{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.builds{grid-template-columns:1fr}}

/* ========================= EXPERIENCE ========================= */
.xp{border-top:1px solid var(--line)}
.xp__row{
  display:grid;grid-template-columns:180px minmax(0,1fr) minmax(0,1.15fr);gap:clamp(16px,3vw,44px);
  padding:clamp(24px,3vw,36px) 0;border-bottom:1px solid var(--line);position:relative;
}
.xp__row::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;background:var(--grad-iris);transition:width .7s var(--ease)}
.xp__row:hover::after{width:100%}
.xp__glyph{position:relative;width:100%;max-width:156px;aspect-ratio:1/1;margin-top:-6px}
.xp__glyph canvas{width:100%;height:100%;display:block;cursor:crosshair}
.xp__glyph-n{
  position:absolute;left:2px;bottom:4px;font-family:var(--font-mono);font-size:.62rem;
  letter-spacing:.18em;color:var(--fg-mute);pointer-events:none;transition:color .4s;
}
.xp__row:hover .xp__glyph-n{color:var(--fg-dim)}
.xp__what h3{font-size:1.2rem;letter-spacing:-.015em}
.xp__what .org{display:block;margin-top:6px;font-size:.85rem;color:var(--fg-mute)}
.xp__desc{color:var(--fg-dim);font-size:.92rem}
.xp__desc ul{margin:0;padding-left:1.1em}
.xp__desc li{margin-bottom:.45em}
.xp__desc li::marker{color:var(--violet)}
.stackline{margin-top:12px;font-family:var(--font-mono);font-size:.63rem;letter-spacing:.09em;color:var(--fg-mute);text-transform:uppercase}
@media (max-width:900px){
  .xp__row{grid-template-columns:1fr;gap:14px}
  .xp__glyph{max-width:104px;margin-top:0}
}

/* ========================= ABOUT ========================= */
.about{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px,4vw,64px);align-items:start}
.about p{color:var(--fg-dim);font-size:1.02rem}
.facts{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.fact{background:var(--bg-2);padding:19px 24px;display:flex;justify-content:space-between;gap:20px;align-items:baseline;flex-wrap:wrap}
.fact dt{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-mute);margin:0}
.fact dd{margin:0;font-size:.92rem;text-align:right;color:var(--fg-dim)}
@media (max-width:880px){.about{grid-template-columns:1fr}}

/* ========================= FAQ ========================= */
.faq{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:clamp(28px,4vw,72px);align-items:start}
.qa{border-top:1px solid var(--line)}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{
  list-style:none;cursor:pointer;padding:22px 46px 22px 0;position:relative;
  font-size:clamp(1rem,1.5vw,1.16rem);letter-spacing:-.01em;color:var(--fg);
  transition:color .3s;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover{color:#fff}
.qa summary::after{
  content:"";position:absolute;right:6px;top:50%;width:13px;height:13px;margin-top:-6px;
  background:
    linear-gradient(var(--fg-dim),var(--fg-dim)) center/13px 1.5px no-repeat,
    linear-gradient(var(--fg-dim),var(--fg-dim)) center/1.5px 13px no-repeat;
  transition:transform .45s var(--ease);
}
.qa details[open] summary::after{transform:rotate(135deg)}
.qa .ans{padding:0 8% 26px 0;color:var(--fg-dim);font-size:.95rem}
.qa .ans p:last-child{margin-bottom:0}

/* ========================= CONTACT ========================= */
.contact{position:relative}
.contact__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,4vw,72px);align-items:start}
.contact h2.display{font-size:clamp(2.6rem,7.4vw,6.6rem)}
.contact__links{display:flex;flex-direction:column;gap:2px;margin-top:34px}
.clink{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:17px 0;border-bottom:1px solid var(--line);color:var(--fg-dim);
  transition:color .35s,padding-left .45s var(--ease);
}
.clink:hover{color:var(--fg);padding-left:10px}
.clink em{font-style:normal;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-mute)}

form{display:flex;flex-direction:column;gap:14px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-family:var(--font-mono);font-size:.63rem;letter-spacing:.17em;text-transform:uppercase;color:var(--fg-mute)}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:.95rem;color:var(--fg);
  background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:12px;
  padding:14px 15px;transition:border-color .3s,background .3s,box-shadow .3s;
}
.field textarea{resize:vertical;min-height:132px}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--fg-mute) 50%),linear-gradient(135deg,var(--fg-mute) 50%,transparent 50%);background-position:calc(100% - 19px) 22px,calc(100% - 13px) 22px;background-size:6px 6px;background-repeat:no-repeat}
.field select option{background:#0e0e18;color:var(--fg)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(124,92,255,.75);background:rgba(255,255,255,.055);
  box-shadow:0 0 0 4px rgba(124,92,255,.14);
}
.field input::placeholder,.field textarea::placeholder{color:#5a5a72}
.field .err{font-size:.74rem;color:#ff8a8a;min-height:0}
.field.invalid input,.field.invalid textarea{border-color:rgba(255,120,120,.7)}
.form-note{font-size:.78rem;color:var(--fg-mute);margin:0}
.form-status{padding:18px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.035);display:none}
.form-status.show{display:block;animation:statusIn .5s var(--ease)}
@keyframes statusIn{from{opacity:0;transform:translateY(8px)}}
.form-status__lead{font-size:.88rem;color:var(--fg-dim);margin:0 0 14px}
.form-status__acts{display:flex;flex-wrap:wrap;gap:9px}
.form-status__acts .btn{padding:11px 17px;font-size:.82rem}
.form-status__addr{margin:14px 0 0;font-size:.78rem;color:var(--fg-mute)}
.form-status__addr a{color:var(--fg-dim);text-decoration:underline;text-underline-offset:3px}
@media (max-width:880px){.contact__grid,.faq{grid-template-columns:1fr}}
@media (max-width:520px){.f-row{grid-template-columns:1fr}}

/* ========================= FOOTER ========================= */
footer{border-top:1px solid var(--line);padding-block:44px 34px;background:var(--bg-2)}
.foot{display:flex;flex-wrap:wrap;gap:22px 44px;align-items:center;justify-content:space-between}
.foot nav{display:flex;flex-wrap:wrap;gap:20px;font-size:.85rem}
.foot nav a{color:var(--fg-mute);transition:color .3s}
.foot nav a:hover{color:var(--fg)}
.foot small{color:var(--fg-mute);font-size:.76rem}
.big-mark{
  font-family:var(--font-display);text-transform:uppercase;line-height:.8;
  font-size:clamp(3.6rem,15vw,13rem);color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.09);
  margin-top:38px;user-select:none;pointer-events:none;letter-spacing:-.02em;
}

/* ===================== CASE STUDY PAGES ===================== */
.cs-hero{padding-top:clamp(120px,16vh,180px);padding-bottom:clamp(40px,5vw,72px)}
.crumbs{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.15em;text-transform:uppercase;color:var(--fg-mute);margin-bottom:26px;display:flex;gap:9px;flex-wrap:wrap}
.crumbs a{color:var(--fg-mute);transition:color .3s}
.crumbs a:hover{color:var(--fg)}
.cs-hero h1.display{font-size:clamp(2.4rem,6.4vw,5.6rem)}
.cs-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:clamp(30px,4vw,52px)}
.cs-meta div{background:var(--bg-2);padding:20px 22px}
.cs-meta dt{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.17em;text-transform:uppercase;color:var(--fg-mute);margin:0 0 8px}
.cs-meta dd{margin:0;font-size:.9rem;color:var(--fg-dim)}
@media (max-width:820px){.cs-meta{grid-template-columns:repeat(2,1fr)}}
@media (max-width:460px){.cs-meta{grid-template-columns:1fr}}

.prose{max-width:74ch}
.prose h2{font-size:clamp(1.5rem,3vw,2.2rem);letter-spacing:-.025em;margin:clamp(38px,4vw,62px) 0 16px}
.prose h3{font-size:1.16rem;margin:32px 0 10px;letter-spacing:-.01em}
.prose p,.prose li{color:var(--fg-dim);font-size:1rem}
.prose ul{padding-left:1.15em;margin:0 0 1.2em}
.prose li{margin-bottom:.5em}
.prose li::marker{color:var(--violet)}
.pull{
  border-left:2px solid transparent;border-image:var(--grad-iris) 1;
  padding:6px 0 6px 22px;margin:30px 0;font-size:1.12rem;color:var(--fg);letter-spacing:-.01em;
}
.cs-diagram{margin:clamp(34px,4vw,58px) 0}
.cs-diagram svg{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-2)}
.cs-cap{margin-top:12px;font-size:.78rem;color:var(--fg-mute)}
.next-cs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:clamp(40px,5vw,72px)}
@media (max-width:700px){.next-cs{grid-template-columns:1fr}}
.next-cs a{padding:28px;display:block}
.next-cs em{font-style:normal;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-mute)}
.next-cs h4{font-size:1.25rem;margin:12px 0 0;letter-spacing:-.02em}

/* ===================== MOTION UTILITIES ===================== */
.rv{transition:opacity .95s var(--ease),transform .95s var(--ease)}
.js .rv:not(.in){opacity:0;transform:translateY(26px)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.07s}.rv-d2{transition-delay:.14s}.rv-d3{transition-delay:.21s}
.rv-d4{transition-delay:.28s}.rv-d5{transition-delay:.35s}.rv-d6{transition-delay:.42s}

.cursor{
  position:fixed;top:0;left:0;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(255,255,255,.45);pointer-events:none;z-index:99;
  transform:translate(-50%,-50%);transition:width .32s var(--ease),height .32s var(--ease),background .32s,border-color .32s,opacity .3s;
  mix-blend-mode:difference;opacity:0;
}
.cursor.on{opacity:1}
.cursor.grow{width:56px;height:56px;background:rgba(255,255,255,.9);border-color:transparent}
@media (hover:none),(pointer:coarse){.cursor{display:none}}

.progress{position:fixed;top:0;left:0;height:2px;width:100%;transform-origin:left;transform:scaleX(0);background:var(--grad-iris);z-index:70}

.skip{position:absolute;left:-9999px;top:0;background:var(--fg);color:#08080d;padding:12px 18px;border-radius:0 0 10px 0;z-index:200}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .js .rv:not(.in){opacity:1;transform:none}
  h1.display .ln i{transform:none;opacity:1;filter:none}
  .chip{opacity:1;transform:none}
  .cursor{display:none}
}