/* ============================================================
   Ontouch Software — design system
   Layout: a dark instrument panel. A touch-reactive tile field fills the hero,
   then products run as wide alternating plates, each lit in its own colour.
   ============================================================ */
:root{
  --bg:#05070b;
  --bg-2:#0a0e15;
  --bg-3:#0f141d;
  --ink:#eef2f6;
  --ink-2:#a3acb8;
  --ink-3:#69737f;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.05);
  --glass:rgba(10,14,21,.62);
  --accent:#49e3ff;
  --accent-2:#8b7bff;
  --accent-soft:rgba(73,227,255,.14);
  --accent-line:rgba(73,227,255,.4);
  --f-sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-serif:"Instrument Serif",ui-serif,Georgia,serif;
  --f-mono:"Geist Mono",ui-monospace,Menlo,Consolas,monospace;
  --nav-h:68px;
  --max:1240px;
  --e-out:cubic-bezier(.16,1,.3,1);
  --e-io:cubic-bezier(.65,0,.35,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--nav-h) + 12px)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--f-sans);font-size:16px;line-height:1.6;letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--accent);color:#03141a}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:8px}
.skip:focus{top:12px}

/* film grain + vignette over everything, very faint */
body::after{
  content:"";position:fixed;inset:-50%;z-index:90;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (prefers-reduced-motion:no-preference){body::after{animation:grain 8s steps(6) infinite}}
@keyframes grain{0%,100%{transform:translate(0,0)}20%{transform:translate(-4%,3%)}40%{transform:translate(3%,-2%)}60%{transform:translate(-2%,-3%)}80%{transform:translate(2%,2%)}}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.eyebrow{font:500 12px/1 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent-line)}
.serif{font-family:var(--f-serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.035em;text-wrap:balance}
h2{font-size:clamp(34px,5.2vw,64px);line-height:1.02}
h2 .serif{font-size:1.06em}
.lede{color:var(--ink-2);font-size:clamp(16px,1.6vw,19px);line-height:1.6;max-width:58ch;margin:0}

/* ============================================================
   Boot
   ============================================================ */
#boot{position:fixed;inset:0;z-index:80;background:var(--bg);display:grid;place-items:center;transition:opacity .8s var(--e-out),visibility .8s}
#boot.done{opacity:0;visibility:hidden}
.boot-mark{display:flex;gap:.02em;font-weight:600;font-size:clamp(30px,6vw,56px);letter-spacing:-.04em;overflow:hidden}
.boot-mark span{display:inline-block;transform:translateY(110%);animation:rise .9s var(--e-out) forwards}
.boot-bar{width:min(220px,50vw);height:1px;background:var(--line);margin:22px auto 0;overflow:hidden}
.boot-bar i{display:block;height:100%;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;animation:fill 1.3s var(--e-io) .2s forwards}
@keyframes rise{to{transform:none}}
@keyframes fill{to{transform:scaleX(1)}}
.no-js #boot{display:none}
@media (prefers-reduced-motion:reduce){#boot{display:none}}

/* ============================================================
   Nav
   ============================================================ */
.nav{position:fixed;inset:0 0 auto;z-index:50;height:calc(var(--nav-h) + env(safe-area-inset-top,0px));padding-top:env(safe-area-inset-top,0px);
  transition:background .4s var(--e-out),border-color .4s var(--e-out),backdrop-filter .4s;border-bottom:1px solid transparent}
.nav.solid{background:var(--glass);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-color:var(--line)}
.nav .wrap{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.03em;font-size:18px}
.brand svg{width:26px;height:26px}
.brand small{font:500 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-left:4px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{font-size:14px;color:var(--ink-2);padding:8px 12px;border-radius:999px;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.lang{font:500 12px/1 var(--f-mono);letter-spacing:.08em;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:var(--ink-2)}
.lang:hover{border-color:var(--accent-line);color:var(--ink)}
@media (max-width:760px){.nav-links a.hide-sm{display:none}.brand small{display:none}}

/* ============================================================
   Hero
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;padding-block:calc(var(--nav-h) + 40px) clamp(48px,8vh,96px);overflow:hidden;isolation:isolate}
#field{position:absolute;inset:0;z-index:-2}
#field canvas{width:100%;height:100%;touch-action:pan-y}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(120% 70% at 50% 110%,rgba(5,7,11,0) 30%,rgba(5,7,11,.0) 40%,var(--bg) 100%),
    linear-gradient(90deg,rgba(5,7,11,.72) 0%,rgba(5,7,11,.35) 38%,rgba(5,7,11,0) 62%),
    linear-gradient(180deg,rgba(5,7,11,.55) 0%,rgba(5,7,11,0) 28%,rgba(5,7,11,0) 55%,var(--bg) 100%)}
.hero.nogl #field{background:
    radial-gradient(60% 50% at 70% 40%,rgba(73,227,255,.18),transparent 70%),
    radial-gradient(50% 40% at 25% 70%,rgba(139,123,255,.14),transparent 70%),var(--bg)}
.hero-in{position:relative;display:grid;gap:28px;pointer-events:none}
.hero-in a,.hero-in button{pointer-events:auto}
.hero h1{font-size:clamp(46px,9vw,124px);line-height:.94;letter-spacing:-.05em;max-width:12ch}
.hero h1 .serif{font-size:1.05em;letter-spacing:-.03em;color:var(--accent)}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.06em}
.hero h1 .ln > span{display:inline-block}
.js .hero h1 .ln > span{transform:translateY(105%)}
.ready .hero h1 .ln > span{transform:none;transition:transform 1.1s var(--e-out)}
.ready .hero h1 .ln:nth-child(2) > span{transition-delay:.08s}
.ready .hero h1 .ln:nth-child(3) > span{transition-delay:.16s}
.hero-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:28px}
.hero .lede{max-width:46ch}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{position:relative;display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 22px;border-radius:999px;font-weight:500;font-size:15px;
  transition:transform .4s var(--e-out),background .25s,border-color .25s,color .25s;will-change:transform}
.btn-solid{background:var(--ink);color:var(--bg)}
.btn-solid:hover{background:#fff}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:rgba(255,255,255,.02);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--accent-line)}
.btn svg{width:16px;height:16px;transition:transform .35s var(--e-out)}
.btn:hover svg{transform:translateX(3px)}
.hint{font:500 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);display:inline-flex;gap:10px;align-items:center}
.hint i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
@media (prefers-reduced-motion:no-preference){.hint i{animation:pulse 2.2s var(--e-io) infinite}}
@keyframes pulse{50%{opacity:.25;transform:scale(.7)}}
.js .hero-fade{opacity:0;transform:translateY(14px)}
.ready .hero-fade{opacity:1;transform:none;transition:opacity 1s var(--e-out) .35s,transform 1s var(--e-out) .35s}

/* stats strip */
.strip{border-block:1px solid var(--line);background:linear-gradient(180deg,var(--bg),var(--bg-2))}
.strip .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{padding:28px 0;display:grid;gap:4px;border-left:1px solid var(--line-2);padding-left:22px}
.stat:first-child{border-left:0;padding-left:0}
.stat b{font-size:clamp(28px,3.4vw,40px);font-weight:600;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.stat span{color:var(--ink-3);font-size:14px}
@media (max-width:760px){.strip .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}.stat:nth-child(3){border-left:0;padding-left:0}.stat{border-top:1px solid var(--line-2)}.stat:nth-child(-n+2){border-top:0}}

/* ============================================================
   Sections
   ============================================================ */
section{position:relative}
.sec{padding-block:clamp(88px,13vw,168px)}
.sec-head{display:grid;gap:22px;margin-bottom:clamp(48px,7vw,88px)}
.sec-head.split{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:end;gap:40px}
@media (max-width:860px){.sec-head.split{grid-template-columns:1fr}}

/* product plates */
.products{display:grid;gap:clamp(28px,4vw,48px)}
.plate{--pc:var(--accent);position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:clamp(28px,5vw,72px);align-items:center;
  padding:clamp(22px,3.4vw,44px);border:1px solid var(--line);border-radius:28px;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,0) 60%),var(--bg-2);isolation:isolate}
.plate::before{content:"";position:absolute;z-index:-1;width:70%;aspect-ratio:1;border-radius:50%;right:-15%;top:-20%;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--pc) 28%,transparent),transparent);filter:blur(30px);opacity:.55;transition:opacity .6s var(--e-out)}
.plate:hover::before{opacity:.85}
.plate.flip{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}
.plate.flip .plate-txt{order:2}
.plate.flip::before{right:auto;left:-15%}
.plate-txt{display:grid;gap:18px;min-width:0}
.p-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.p-idx{font:500 12px/1 var(--f-mono);color:var(--ink-3);letter-spacing:.1em}
.chip{font:500 11px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;padding:7px 10px;border-radius:999px;border:1px solid color-mix(in srgb,var(--pc) 45%,transparent);color:color-mix(in srgb,var(--pc) 85%,white)}
.plate h3{font-size:clamp(32px,4.2vw,52px);line-height:1;letter-spacing:-.045em}
.plate .what{font-family:var(--f-serif);font-style:italic;font-size:clamp(21px,2.1vw,27px);line-height:1.25;color:var(--ink);margin:0;letter-spacing:-.01em}
.plate p.desc{color:var(--ink-2);margin:0;max-width:52ch}
.facts{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.facts li{font-size:13px;color:var(--ink-2);padding:6px 11px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--line-2)}
.p-foot{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:8px}
.price{font:500 13px/1.3 var(--f-mono);color:var(--ink-3);letter-spacing:.02em}
.price b{color:var(--ink);font-weight:500}
.visit{display:inline-flex;align-items:center;gap:10px;font-weight:500;font-size:15px;color:var(--ink);padding:12px 18px;border-radius:999px;border:1px solid var(--line);transition:border-color .25s,background .25s}
.visit:hover{border-color:color-mix(in srgb,var(--pc) 60%,transparent);background:color-mix(in srgb,var(--pc) 10%,transparent)}
.visit svg{width:14px;height:14px;transition:transform .35s var(--e-out)}
.visit:hover svg{transform:translate(2px,-2px)}

/* browser frame with tilt */
.shot{perspective:1400px;min-width:0}
.frame{position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.12);background:#000;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(0,0,0,.4),0 30px 120px -40px color-mix(in srgb,var(--pc) 50%,transparent);
  transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateY(var(--ty,0px));transform-style:preserve-3d;transition:transform .6s var(--e-out);will-change:transform}
.frame-bar{height:34px;display:flex;align-items:center;gap:7px;padding:0 14px;background:#0d1119;border-bottom:1px solid rgba(255,255,255,.06)}
.frame-bar i{width:10px;height:10px;border-radius:50%;background:#262c36}
.frame-bar span{margin-left:12px;font:500 11.5px/1 var(--f-mono);color:var(--ink-3);background:#151a23;padding:6px 12px;border-radius:7px;flex:1;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.frame img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top}
.frame::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,rgba(255,255,255,.10),rgba(255,255,255,0) 35%);mix-blend-mode:screen}
@media (max-width:900px){.plate,.plate.flip{grid-template-columns:1fr}.plate.flip .plate-txt{order:0}}

/* lab */
.lab{background:linear-gradient(180deg,var(--bg),var(--bg-2) 40%,var(--bg))}
.lab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.lab-card{position:relative;padding:28px;border:1px solid var(--line);border-radius:22px;background:var(--bg-3);display:grid;gap:14px;align-content:start;min-height:260px;overflow:hidden}
.lab-card .status{font:500 11px/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:8px}
.lab-card .status::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 10px currentColor}
.lab-card.next .status{color:var(--accent-2)}
.lab-card h3{font-size:26px;letter-spacing:-.035em}
.lab-card p{margin:0;color:var(--ink-2)}
.lab-card .glyph{position:absolute;right:-30px;bottom:-30px;width:170px;height:170px;opacity:.16}
@media (max-width:900px){.lab-grid{grid-template-columns:1fr}.lab-card{min-height:0}}

/* principles */
.princ{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
.pr{padding:32px 26px 8px 0;display:grid;gap:12px;align-content:start;border-right:1px solid var(--line-2);padding-left:26px}
.pr:first-child{padding-left:0}
.pr:last-child{border-right:0}
.pr .n{font:500 12px/1 var(--f-mono);color:var(--accent);letter-spacing:.1em}
.pr h3{font-size:22px;letter-spacing:-.03em}
.pr p{margin:0;color:var(--ink-2);font-size:15px}
@media (max-width:900px){.princ{grid-template-columns:repeat(2,minmax(0,1fr))}.pr:nth-child(2){border-right:0}.pr:nth-child(3){padding-left:0}}
@media (max-width:520px){.princ{grid-template-columns:1fr}.pr{border-right:0;padding-left:0;border-bottom:1px solid var(--line-2);padding-bottom:26px}}

/* marquee */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding-block:26px;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.mq-track{display:flex;gap:56px;width:max-content}
@media (prefers-reduced-motion:no-preference){.mq-track{animation:mq 38s linear infinite}}
.mq-track span{font-size:clamp(22px,3vw,34px);font-weight:500;letter-spacing:-.03em;color:var(--ink-3);white-space:nowrap;display:inline-flex;align-items:center;gap:56px}
.mq-track span::after{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent-line);transform:rotate(45deg)}
@keyframes mq{to{transform:translateX(-50%)}}

/* contact */
.contact{padding-block:clamp(96px,14vw,180px);text-align:center;overflow:hidden}
.contact::before{content:"";position:absolute;left:50%;top:55%;width:min(900px,120vw);aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(closest-side,rgba(73,227,255,.14),rgba(139,123,255,.06) 55%,transparent);pointer-events:none}
.contact .wrap{position:relative;display:grid;justify-items:center;gap:26px}
.contact h2{font-size:clamp(40px,7vw,96px);max-width:14ch}
.mail{font-size:clamp(20px,3vw,32px);font-weight:500;letter-spacing:-.03em;display:inline-flex;align-items:center;gap:14px;padding:16px 26px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.02);transition:border-color .3s}
.mail:hover{border-color:var(--accent-line)}
.copy{font:500 12px/1 var(--f-mono);letter-spacing:.08em;color:var(--ink-3);border:1px solid var(--line);border-radius:999px;padding:8px 12px}
.copy:hover{color:var(--ink);border-color:var(--accent-line)}

/* footer */
footer{border-top:1px solid var(--line);padding-block:40px calc(40px + env(safe-area-inset-bottom,0px));color:var(--ink-3);font-size:13.5px}
footer .wrap{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:32px}
footer h4{margin:0 0 12px;font:500 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a:hover{color:var(--ink)}
footer .legal{display:grid;gap:6px}
footer .bottom{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid var(--line-2);padding-top:22px}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr 1fr}footer .legal{grid-column:1/-1}}

/* scroll reveal: content is visible without JS; JS hides it until it scrolls in */
.js .rv{opacity:0;transform:translateY(28px)}
.js .rv.in{opacity:1;transform:none;transition:opacity 1s var(--e-out),transform 1s var(--e-out)}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none}.frame{transition:none}}

/* cursor halo (fine pointers only) */
.halo{position:fixed;left:0;top:0;width:340px;height:340px;margin:-170px 0 0 -170px;border-radius:50%;pointer-events:none;z-index:1;
  background:radial-gradient(closest-side,rgba(73,227,255,.07),transparent);opacity:0;transition:opacity .5s}
@media (pointer:fine){.halo.on{opacity:1}}

/* fixes after the first visual pass */
.pr h3{line-height:1.2}
.lab-card h3{line-height:1.15}
.lab-card .glyph{right:-64px;bottom:-64px;opacity:.09}
.mail svg{width:22px;height:22px}
footer .legal{align-content:start}