:root{
  --ink:#080B0F;--ink-2:#0B0F14;--cyan:#3BE0D0;--copper:#D08A4E;
  --text:#EDF2F6;--muted:#7B8B9C;--muted-2:#4A5A6B;--line:#182430;
  --display:'Space Grotesk',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--display);background:var(--ink);color:var(--text);-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.1}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
::selection{background:var(--cyan);color:var(--ink)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
.mono{font-family:var(--mono);font-weight:400}

/* HEADER + NAV */
header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;gap:clamp(18px,3.5vw,44px);
  padding:20px clamp(20px,5vw,64px);background:linear-gradient(180deg,rgba(8,11,15,.92),rgba(8,11,15,.4) 80%,transparent)}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:16px;letter-spacing:-.01em;margin-right:auto;white-space:nowrap}
.brand svg{width:24px;height:24px}
.nav{display:flex;align-items:center;gap:clamp(14px,2vw,28px)}
.nav a{font-family:var(--mono);font-size:12px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);transition:color .25s;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--cyan)}
.nav__cta{font-family:var(--mono);font-size:12px;letter-spacing:.11em;text-transform:uppercase;color:var(--cyan);
  border:1px solid rgba(59,224,208,.45);border-radius:100px;padding:9px 16px;transition:all .25s;white-space:nowrap}
.nav__cta:hover{background:rgba(59,224,208,.12)}
.nav__toggle{display:none;border:1px solid var(--line);border-radius:9px;width:42px;height:38px;cursor:pointer;padding:8px}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--text);margin:3px auto;transition:transform .25s,opacity .25s}
.nav__toggle.open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav__toggle.open span:nth-child(2){opacity:0}
.nav__toggle.open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--cyan);color:var(--ink);font-weight:600;font-size:16px;
  padding:16px 28px;border-radius:100px;border:0;cursor:pointer;transition:transform .25s,box-shadow .25s;
  box-shadow:0 12px 40px -12px rgba(59,224,208,.6)}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 50px -12px rgba(59,224,208,.8)}
.btn svg{width:17px;height:17px}
.btn--ghost{background:none;color:var(--text);border:1px solid var(--line);box-shadow:none;font-family:var(--mono);
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:500}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:none}
.btnr{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-size:14px;font-weight:500;
  padding:11px 20px;border:1px solid var(--line);border-radius:100px;transition:all .25s;cursor:pointer;background:none;color:var(--text)}
.btnr svg{width:15px;height:15px;transition:transform .25s}
.btnr:hover{border-color:var(--cyan);color:var(--cyan)}
.btnr:hover svg{transform:translateX(4px)}

/* EYEBROW / LEDE */
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-bottom:28px}
.lede{font-family:var(--mono);font-size:clamp(14px,1.7vw,17px);line-height:1.7;color:var(--muted);max-width:56ch;margin-top:30px}

/* HERO (home) */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:0 clamp(20px,5vw,64px);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(900px 600px at 30% 40%,rgba(59,224,208,.06),transparent 60%)}
.hero__particles{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:-1;pointer-events:none}
.hero .eyebrow{margin-bottom:56px}
.hero h1{font-size:clamp(26px,4.4vw,62px);font-weight:600;letter-spacing:-.035em;line-height:1.05}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:58px}
.hero .scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--muted-2);text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:10px}
.hero .scroll span{width:1px;height:34px;background:linear-gradient(var(--muted-2),transparent);animation:drop 2.2s ease-in-out infinite}
@keyframes drop{0%,100%{opacity:.3;transform:scaleY(.6);transform-origin:top}50%{opacity:1;transform:scaleY(1)}}

/* CATEGORY HEADER (subpages) — a tiny label in the top-left corner, not a hero.
   The page is the projects; the header just names where you are. */
.cat-hero{display:flex;align-items:baseline;gap:16px;padding:92px clamp(20px,5vw,64px) 0}
.cat-hero h1{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;line-height:1}
.cat-hero h1 em{font-style:normal;color:var(--cyan)}
.cat-hero__count{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);line-height:1}
/* First project sits directly under the label — visible without scrolling. */
.cat-hero + .show{min-height:auto;padding:34px clamp(20px,5vw,64px) 96px}

/* CAPABILITIES GRID (home) */
.caps{padding:110px clamp(20px,5vw,64px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--ink-2)}
.caps__head{max-width:1080px;margin:0 auto 54px}
.caps__head h2{font-size:clamp(30px,5vw,56px);font-weight:600;letter-spacing:-.03em;line-height:1}
.caps__grid{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.cap{padding:0 28px;border-left:1px solid var(--line)}
.cap:first-child{border-left:0;padding-left:0}
.cap__k{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan)}
.cap:nth-child(2) .cap__k,.cap:nth-child(4) .cap__k{color:var(--copper)}
.cap h3{font-size:clamp(18px,2vw,24px);font-weight:600;letter-spacing:-.02em;line-height:1.15;margin:18px 0 0}
.cap p{font-family:var(--mono);font-size:13px;line-height:1.6;color:var(--muted);margin-top:12px}
.cap a{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text);transition:color .2s}
.cap a svg{width:13px;height:13px;transition:transform .2s}
.cap a:hover{color:var(--cyan)}
.cap a:hover svg{transform:translateX(4px)}

/* FEATURED WORK GRID (home) */
.work{padding:110px clamp(20px,5vw,64px)}
.work__head{max-width:1080px;margin:0 auto 48px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px}
.work__head h2{font-size:clamp(30px,5vw,56px);font-weight:600;letter-spacing:-.03em;line-height:1}
.work__head a{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);white-space:nowrap}
.cards{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card{display:block;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--ink-2);transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-4px);border-color:var(--cyan)}
.card__stage{aspect-ratio:1/1;display:grid;place-items:center;padding:36px;border-bottom:1px solid var(--line);
  background:radial-gradient(600px 400px at 50% 30%,rgba(59,224,208,.05),transparent 70%)}
.card__stage svg{width:min(72%,340px)}
.card__body{padding:26px 26px 28px}
.card__cat{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--copper)}
.card h3{font-size:clamp(20px,2.6vw,28px);font-weight:600;letter-spacing:-.02em;margin-top:10px}
.card p{font-family:var(--mono);font-size:13px;line-height:1.6;color:var(--muted);margin-top:10px}
.card__go{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
.card__go svg{width:14px;height:14px;transition:transform .2s}
.card:hover .card__go svg{transform:translateX(4px)}

/* PROJECT SHOW SECTIONS (category pages) */
.show{min-height:88svh;display:grid;place-items:center;padding:130px clamp(20px,5vw,64px);position:relative}
.show::before{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--line)}
.show:last-of-type::before{display:none}
.stage{width:min(70vmin,560px);aspect-ratio:1/1;display:grid;place-items:center;position:relative}
.label{text-align:center;margin-top:46px}
.cat{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.cat.cyan{color:var(--cyan)}
.cat.copper{color:var(--copper)}
.label h2{font-size:clamp(32px,5.5vw,64px);font-weight:600;letter-spacing:-.035em;line-height:1}
.spec{display:block;font-family:var(--mono);font-size:13px;letter-spacing:.05em;color:var(--muted);margin:20px auto 0;max-width:48ch}
.ctl{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:30px}
.tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:22px}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--copper);border:1px solid rgba(208,138,78,.4);
  border-radius:20px;padding:6px 13px;background:rgba(208,138,78,.06);white-space:nowrap}
/* Landscape screenshot frame — stands in for the square .stage on the software page. */
.shot{width:min(92vw,1000px);border-radius:16px;overflow:hidden;background:var(--ink-2);border:1px solid var(--line)}
.shot img{display:block;width:100%;height:auto}
/* Live map embed — sized here because maplibre fills its container. */
.shot--map{height:clamp(300px,52vw,520px);position:relative;background:#04101c}
.shot--map .poolmap{position:absolute;inset:0;opacity:0;transition:opacity .5s ease}
.shot--map .poolmap.is-ready{opacity:1}
/* Live iframe embed — tall enough to show the form and its result side by side. */
.shot--frame{height:clamp(560px,84vh,860px)}
.shot--frame iframe{display:block;width:100%;height:100%;border:0}

/* EMBEDDED 3D */
.embed{position:absolute;inset:0;border-radius:16px;overflow:hidden;background:var(--ink-2);border:1px solid var(--line)}
.embed canvas{width:100%;height:100%;display:block;cursor:grab}
.embed canvas:active{cursor:grabbing}
.embed .hint{position:absolute;left:12px;bottom:11px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted-2);pointer-events:none;z-index:2}

/* ARTIFACTS — PCB */
.pcb{width:100%;height:100%}
.pcb .trace{stroke:#3a2c1e;stroke-width:1.4;fill:none}
.pcb .pad{fill:var(--copper)}
.pcb .comp{fill:none;stroke:var(--cyan);stroke-width:1.4}
.pcb .flow{stroke:var(--copper);stroke-width:2;fill:none;stroke-dasharray:8 120;filter:drop-shadow(0 0 4px var(--copper));animation:flow 3.4s linear infinite}
@keyframes flow{to{stroke-dashoffset:-256}}
.pcb .bus{stroke:var(--copper);stroke-width:6;opacity:.85}
.pcb .bus.dim{stroke:#8a5f33;stroke-width:3;opacity:.55}
.pcb .fet{fill:none;stroke:var(--copper);stroke-width:1.4}
.pcb .cap{fill:rgba(208,138,78,.16);stroke:var(--copper);stroke-width:1.1}
.pcb .mod{fill:rgba(59,224,208,.08);stroke:var(--cyan);stroke-width:1.3}
.pcb .ant{stroke:var(--cyan);stroke-width:1.3;fill:none;stroke-dasharray:2.5 2.5;opacity:.8}
.pcb .pin{fill:var(--copper)}
.pcb .bolt{fill:var(--ink-2);stroke:var(--muted-2);stroke-width:1.2}
.pcb .sil{fill:var(--muted-2);font-family:var(--mono);font-size:6.5px;letter-spacing:.1em}
.pcb .flex{stroke:var(--copper);fill:none;stroke-linecap:round}

/* ARTIFACTS — isometric board */
.iso-scene{position:absolute;inset:0;display:grid;place-items:center;perspective:1500px}
.iso{position:relative;width:60%;height:60%;transform-style:preserve-3d;transform:rotateX(62deg) rotateZ(0);animation:turn2 32s linear infinite}
@keyframes turn2{to{transform:rotateX(62deg) rotateZ(360deg)}}
.board{position:absolute;inset:0;border:1.5px solid var(--copper);border-radius:10px;background:rgba(208,138,78,.06);box-shadow:0 0 34px -10px rgba(208,138,78,.5)}
.board::after{content:"";position:absolute;inset:10px;border:1px dashed rgba(208,138,78,.3);border-radius:6px}
.comp3d{position:absolute;border:1.4px solid var(--cyan);background:rgba(59,224,208,.08);transform:translateZ(var(--h));box-shadow:0 0 16px -4px rgba(59,224,208,.5)}
.c-a{width:30%;height:22%;top:16%;left:14%;--h:34px}.c-b{width:20%;height:20%;top:22%;left:58%;--h:52px}
.c-c{width:44%;height:12%;top:60%;left:16%;--h:22px}.c-d{width:12%;height:12%;top:64%;left:70%;--h:40px}

/* ARTIFACTS — layered plates */
.scene{position:absolute;inset:0;display:grid;place-items:center;perspective:1400px}
.rig{position:relative;width:56%;height:56%;transform-style:preserve-3d;transform:rotateX(60deg) rotateZ(0);animation:turn 30s linear infinite}
@keyframes turn{to{transform:rotateX(60deg) rotateZ(360deg)}}
.plate{position:absolute;inset:0;margin:auto;width:100%;height:100%;border:1.5px solid var(--cyan);border-radius:14px;background:rgba(59,224,208,.05);transform:translateZ(var(--z));animation:breathe 8s cubic-bezier(.4,0,.2,1) infinite;box-shadow:0 0 30px -8px rgba(59,224,208,.4)}
.plate::after{content:"";position:absolute;inset:9px;border:1px dashed rgba(59,224,208,.25);border-radius:9px}
.plate.p1{--z:-58px;--zx:-86px;width:114%;height:114%;border-color:var(--muted-2);background:rgba(74,90,107,.06);box-shadow:none}
.plate.p2{--z:-6px;--zx:-10px;border-color:var(--copper);background:rgba(208,138,78,.07);box-shadow:0 0 30px -8px rgba(208,138,78,.45)}
.plate.p3{--z:48px;--zx:86px;width:58%;height:58%}
.plate.p4{--z:104px;--zx:180px;width:90%;height:90%;border-style:dashed;background:transparent}
@keyframes breathe{0%,100%{transform:translateZ(var(--z))}50%{transform:translateZ(var(--zx))}}
.traces-mini{position:absolute;inset:16%;border-radius:6px;opacity:.85;background-image:
  radial-gradient(circle at 22% 30%,var(--copper) 2px,transparent 2.6px),
  radial-gradient(circle at 76% 66%,var(--copper) 2px,transparent 2.6px),
  radial-gradient(circle at 58% 22%,var(--copper) 2px,transparent 2.6px),
  linear-gradient(90deg,transparent 40%,var(--copper) 40%,var(--copper) 41%,transparent 41%)}

/* ARTIFACTS — gears */
.gears{width:100%;height:100%}
.gear{fill:none;stroke:var(--cyan);transform-box:fill-box;transform-origin:center}
.ring{stroke-width:2}.teeth{stroke-width:9;stroke-dasharray:2 8.4;opacity:.9}
.spin-cw{animation:cw 18s linear infinite}.spin-ccw{animation:ccw 9s linear infinite}
.carrier{transform-box:fill-box;transform-origin:center;animation:cw 26s linear infinite}
@keyframes cw{to{transform:rotate(360deg)}}@keyframes ccw{to{transform:rotate(-360deg)}}

/* CONTACT BAND (category pages) */
.contact-band{min-height:64svh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;
  padding:0 clamp(20px,5vw,64px);border-top:1px solid var(--line);background:var(--ink-2)}
.contact-band h2{font-size:clamp(36px,6vw,72px);font-weight:600;letter-spacing:-.04em;line-height:.96;margin-top:20px}
.contact-band .lede{text-align:center;margin-left:auto;margin-right:auto}

/* CLOSING / CONTACT FORM (home) */
.end{min-height:92svh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:110px clamp(20px,5vw,64px)}
.contact{max-width:780px;width:100%;margin:0 auto}
.contact h2{font-size:clamp(36px,7vw,92px);font-weight:600;letter-spacing:-.04em;line-height:.96;max-width:16ch;text-align:center;margin-left:auto;margin-right:auto}
.contact__lede{font-family:var(--mono);font-size:clamp(13px,1.6vw,15px);line-height:1.7;color:var(--muted);max-width:60ch;margin:26px auto 0;text-align:center}
.form{display:grid;gap:18px;margin-top:48px;text-align:left}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:grid;gap:9px}
.form label>span{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.form input,.form select,.form textarea{background:var(--ink-2);border:1px solid var(--line);border-radius:12px;color:var(--text);
  font-family:var(--display);font-size:15px;padding:13px 15px;width:100%;transition:border-color .2s}
.form input::placeholder,.form textarea::placeholder{color:var(--muted-2)}
.form select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 22px) 50%,calc(100% - 16px) 50%;background-size:6px 6px;background-repeat:no-repeat;cursor:pointer}
.form select option{background:var(--ink-2)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cyan)}
.form textarea{resize:vertical;min-height:120px;line-height:1.5}
.form .btn{justify-self:start;margin-top:6px}
.form__note{margin-top:4px;font-family:var(--mono);font-size:13px;line-height:1.5}
.form__note.ok{color:var(--cyan)}
.form__note.err{color:#ff8a8a}
.mailto{margin-top:22px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}

/* FOOTER */
footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:34px clamp(20px,5vw,64px);border-top:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted-2)}

/* REVEAL */
.reveal{opacity:1}
.js .reveal{opacity:0;transform:translateY(42px) scale(.99);transition:opacity .8s ease,transform .8s cubic-bezier(.22,.61,.36,1)}
.js .reveal.in{opacity:1;transform:none}

/* RESPONSIVE */
/* Nav collapses to the drawer at 1180px: six items + the CTA no longer fit inline below that,
   and body{overflow-x:hidden} would silently clip the CTA rather than show a scrollbar. */
@media (max-width:1180px){
  .nav__toggle{display:block}
  .nav{position:fixed;top:0;right:0;bottom:0;width:min(78vw,340px);flex-direction:column;align-items:flex-start;
    justify-content:flex-start;gap:6px;padding:104px 34px 34px;background:var(--ink-2);border-left:1px solid var(--line);
    transform:translateX(100%);transition:transform .3s cubic-bezier(.22,.61,.36,1);overflow-y:auto}
  .nav.open{transform:none}
  .nav a{font-size:14px;padding:12px 0;width:100%}
  .nav__cta{margin-top:20px}
}
@media (max-width:980px){
  .caps__grid{grid-template-columns:1fr 1fr;gap:40px}
  .cap{border-left:0;padding:0}
}
@media (max-width:760px){
  .cards{grid-template-columns:1fr}
  .caps__grid{grid-template-columns:1fr;gap:34px}
}
@media (max-width:600px){
  .stage{width:82vmin}.label{margin-top:36px}.show{padding:100px 20px}
  .form__grid{grid-template-columns:1fr}
  .end{padding:90px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
  .rig{transform:rotateX(60deg) rotateZ(22deg)}
  .plate.p1{transform:translateZ(-86px)}.plate.p2{transform:translateZ(-10px)}
  .plate.p3{transform:translateZ(86px)}.plate.p4{transform:translateZ(180px)}
  .iso{transform:rotateX(62deg) rotateZ(20deg)}
}