/* ============ tokens ============ */
:root{
  --bg:#07080c;
  --bg-alt:#0a0c13;
  --panel:#0e1119;
  --panel-2:#12161f;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#e9ebf2;
  --muted:#98a0b5;
  --faint:#6b7286;
  --c1:#3ee0d2;
  --c2:#6d7dff;
  --c3:#b06cff;
  --grad:linear-gradient(100deg,var(--c1),var(--c2) 55%,var(--c3));
  --radius:16px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.65,.24,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter","Helvetica Neue",-apple-system,BlinkMacSystemFont,"Segoe UI",
    "PingFang SC","PingFang TC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.25;margin:0;letter-spacing:-.01em;font-weight:650}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--panel);padding:12px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--c1);outline-offset:3px;border-radius:6px}

.eyebrow{
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--c1);margin-bottom:14px;font-weight:600;
}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  background:var(--grad);color:#05070c;font-weight:650;font-size:15px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),opacity .2s;
  white-space:nowrap;cursor:pointer;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px -12px rgba(109,125,255,.7)}
.btn--ghost{
  background:transparent;color:var(--text);border-color:var(--line-strong);
}
.btn--ghost:hover{border-color:var(--c1);box-shadow:none;color:var(--c1)}
.btn--sm{padding:9px 18px;font-size:14px}

/* ============ nav ============ */
.nav{
  position:fixed;inset:0 0 auto;z-index:100;
  transition:background .3s,border-color .3s,backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(7,8,12,.82);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom-color:var(--line);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}

.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo__mark{
  width:26px;height:26px;border-radius:8px;background:var(--grad);
  position:relative;flex:none;
  box-shadow:0 0 0 1px rgba(255,255,255,.12) inset;
}
.logo__mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:var(--bg);
}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__text b{font-size:16px;font-weight:650;letter-spacing:.02em}
.logo__text em{font-style:normal;font-size:10px;letter-spacing:.3em;color:var(--faint)}

.nav__links{display:flex;align-items:center;gap:28px}
.nav__links>a:not(.btn){
  font-size:14.5px;color:var(--muted);transition:color .2s;position:relative;
}
.nav__links>a:not(.btn):hover{color:var(--text)}

.langs{display:flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:999px}
.langs button{
  border:0;background:transparent;color:var(--faint);cursor:pointer;
  font:inherit;font-size:12.5px;padding:4px 11px;border-radius:999px;
  transition:color .2s,background .2s;white-space:nowrap;
}
.langs button:hover{color:var(--text)}
.langs button.is-active{background:rgba(255,255,255,.1);color:var(--text)}

.nav__toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;
  background:transparent;cursor:pointer;padding:0;place-items:center;gap:5px;
}
.nav__toggle span{display:block;width:17px;height:1.5px;background:var(--text);transition:.28s var(--ease)}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ============ hero ============ */
.hero{position:relative;padding:180px 0 96px;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
#fieldCanvas{width:100%;height:100%;display:block;opacity:.55}
.hero__glow{
  position:absolute;top:-25%;left:50%;transform:translateX(-50%);
  width:min(1100px,120%);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(109,125,255,.20),rgba(62,224,210,.08) 42%,transparent 68%);
  filter:blur(20px);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0;height:180px;
  background:linear-gradient(transparent,var(--bg));z-index:1;pointer-events:none;
}
.hero__inner{position:relative;z-index:2}
.hero__title{
  font-size:clamp(2.6rem,6.4vw,4.6rem);font-weight:700;letter-spacing:-.03em;
  max-width:16em;
}
.hero__lead{
  margin-top:26px;max-width:46em;font-size:clamp(1rem,1.6vw,1.14rem);color:var(--muted);
}
.hero__cta{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}

.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:80px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
}
.stats>div{background:rgba(10,12,19,.72);padding:24px 22px;backdrop-filter:blur(6px)}
.stats dt{font-size:12.5px;color:var(--faint);letter-spacing:.02em}
.stats dd{margin:8px 0 0;font-size:clamp(1.7rem,3vw,2.3rem);font-weight:650;letter-spacing:-.02em}
.stats dd small{font-size:.5em;font-weight:500;color:var(--muted);margin-left:2px}

/* ============ strip ============ */
.strip{border-block:1px solid var(--line);background:var(--bg-alt)}
.strip__inner{
  display:flex;align-items:center;gap:34px;padding:22px 24px;flex-wrap:wrap;
}
.strip__inner>span{
  font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);flex:none;
}
.strip ul{display:flex;gap:14px;flex-wrap:wrap}
.strip li{
  font-size:13.5px;color:var(--muted);padding:5px 14px;
  border:1px solid var(--line);border-radius:999px;
}

/* ============ sections ============ */
.section{padding:112px 0;position:relative}
.section--alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section__head{max-width:44em;margin-bottom:56px}
.section__head h2{font-size:clamp(1.75rem,3.4vw,2.6rem);letter-spacing:-.025em}
.section__lead{margin-top:20px;color:var(--muted);font-size:1.02rem}

/* ============ tech cards ============ */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  position:relative;padding:34px 32px 30px;border:1px solid var(--line);
  border-radius:var(--radius);background:
    linear-gradient(160deg,rgba(255,255,255,.035),transparent 55%),var(--panel);
  transition:border-color .3s var(--ease),transform .3s var(--ease);
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0 auto 0 0;width:2px;background:var(--grad);
  opacity:0;transition:opacity .3s;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.card:hover::before{opacity:1}
.card__no{
  font-size:12px;letter-spacing:.2em;color:var(--faint);font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.card h3{font-size:1.22rem;display:flex;flex-direction:column;gap:5px}
.card h3 span{font-size:.72em;font-weight:500;color:var(--c1);letter-spacing:.02em}
.card>p{margin-top:15px;color:var(--muted);font-size:.965rem}
.card__list{margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);display:grid;gap:11px}
.card__list li{
  position:relative;padding-left:20px;font-size:.9rem;color:var(--muted);line-height:1.6;
}
.card__list li::before{
  content:"";position:absolute;left:2px;top:.62em;width:6px;height:6px;border-radius:2px;
  background:var(--grad);
}

/* ============ pipeline ============ */
.pipeline{
  margin-top:52px;padding:36px 28px 28px;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--panel);overflow-x:auto;
}
.pipeline__row{display:flex;align-items:stretch;gap:10px;min-width:min-content}
.pnode{
  flex:1 1 0;min-width:132px;padding:16px 15px;border-radius:12px;
  border:1px solid var(--line);background:var(--panel-2);
  display:flex;flex-direction:column;gap:5px;
}
.pnode b{font-size:.9rem;font-weight:620;white-space:nowrap}
.pnode span{font-size:11.5px;color:var(--faint);line-height:1.5}
.pnode--hl{
  border-color:rgba(109,125,255,.42);
  background:linear-gradient(150deg,rgba(109,125,255,.14),rgba(62,224,210,.05)),var(--panel-2);
}
.pnode--hl b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.pnode--soft{flex:0 0 auto;min-width:200px;border-style:dashed;border-color:rgba(62,224,210,.4)}
.pnode--soft b{color:var(--c1)}
.parrow{
  flex:0 0 22px;align-self:center;height:1px;background:var(--line-strong);position:relative;
}
.parrow::after{
  content:"";position:absolute;right:0;top:-3px;
  border:3.5px solid transparent;border-left-color:var(--line-strong);
}
.pipeline__loop{
  margin-top:18px;padding-top:20px;border-top:1px dashed var(--line);
  display:flex;align-items:center;gap:16px;min-width:min-content;
}
.pipeline__loopline{
  flex:1;height:1px;
  background:repeating-linear-gradient(90deg,var(--line-strong) 0 6px,transparent 6px 12px);
}

/* ============ product tiles ============ */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tile{
  padding:30px 28px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);transition:border-color .3s,transform .3s var(--ease);
}
.tile:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.tile h3{font-size:1.1rem}
.tile p{margin-top:13px;color:var(--muted);font-size:.94rem}

/* ============ about ============ */
.about{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:start}
.about__text h2{font-size:clamp(1.7rem,3.2vw,2.4rem);letter-spacing:-.025em;margin-bottom:26px}
.about__text #aboutBody{display:grid;gap:18px}
.about__text #aboutBody p{color:var(--muted);font-size:1rem}

.values{margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:22px 26px}
.values li{display:grid;gap:5px;padding-top:16px;border-top:1px solid var(--line)}
.values b{font-size:.98rem;font-weight:620}
.values span{font-size:.88rem;color:var(--faint);line-height:1.6}

.timeline{
  padding:32px 30px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);position:sticky;top:100px;
}
.timeline h3{font-size:1.02rem;margin-bottom:24px}
.timeline ol{display:grid;gap:22px;position:relative}
.timeline li{position:relative;padding-left:30px}
.timeline li::before{
  content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;border-radius:50%;
  background:var(--bg);border:2px solid var(--c2);z-index:1;
}
.timeline li:not(:last-child)::after{
  content:"";position:absolute;left:4px;top:1.5em;bottom:-22px;width:1px;background:var(--line);
}
.timeline span{
  font-size:12px;letter-spacing:.14em;color:var(--c1);font-weight:600;
  font-variant-numeric:tabular-nums;
}
.timeline p{font-size:.9rem;color:var(--muted);margin-top:4px;line-height:1.65}

/* ============ jobs ============ */
.perks{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:44px}
.perks span{
  font-size:13px;color:var(--muted);padding:7px 15px;border-radius:999px;
  border:1px solid var(--line);background:var(--panel);
}
.jobs{display:grid;gap:12px}
.job{border:1px solid var(--line);border-radius:14px;background:var(--panel);overflow:hidden;
  transition:border-color .3s}
.job:hover{border-color:var(--line-strong)}
.job.is-open{border-color:rgba(109,125,255,.4)}
.job__head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;background:transparent;border:0;color:inherit;font:inherit;
  cursor:pointer;text-align:left;
}
.job__title{display:flex;flex-direction:column;gap:3px;font-size:1.06rem;font-weight:620}
.job__title small{font-size:.74em;font-weight:400;color:var(--c1)}
.job__meta{
  display:flex;align-items:center;gap:16px;font-size:13px;color:var(--faint);flex:none;
}
.job__meta::after{
  content:"";width:9px;height:9px;border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);
  transition:transform .3s var(--ease);
}
.job.is-open .job__meta::after{transform:rotate(-135deg) translateY(-2px)}
.job__body{
  display:grid;grid-template-rows:0fr;transition:grid-template-rows .38s var(--ease);
}
.job.is-open .job__body{grid-template-rows:1fr}
.job__body>div{overflow:hidden}
.job__inner{padding:0 26px 26px;display:grid;gap:8px;max-width:60em}
.job__inner b{font-size:.85rem;letter-spacing:.04em;color:var(--text)}
.job__inner ul{display:grid;gap:8px;margin:2px 0 14px}
.job__inner li{
  position:relative;padding-left:18px;font-size:.92rem;color:var(--muted);line-height:1.65;
}
.job__inner li::before{
  content:"";position:absolute;left:2px;top:.7em;width:5px;height:5px;border-radius:50%;
  background:var(--c2);
}
.jobs__note{margin-top:26px;font-size:.94rem;color:var(--faint)}
.jobs__note a{color:var(--c1);border-bottom:1px solid rgba(62,224,210,.35)}

/* ============ contact ============ */
.contact{text-align:center;overflow:hidden}
.contact__inner{position:relative;max-width:44em}
.contact h2{font-size:clamp(1.8rem,3.6vw,2.7rem);letter-spacing:-.025em}
.contact p{margin-top:18px;color:var(--muted)}
.contact__links{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}

/* ============ footer ============ */
.footer{border-top:1px solid var(--line);background:var(--bg-alt);padding:44px 0}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.footer__brand{display:flex;align-items:center;gap:12px}
.footer__brand b{font-size:14.5px}
.footer__brand p{font-size:11.5px;color:var(--faint);letter-spacing:.03em}
.footer__nav{display:flex;gap:22px;flex-wrap:wrap}
.footer__nav a{font-size:13.5px;color:var(--muted);transition:color .2s}
.footer__nav a:hover{color:var(--c1)}
.footer__copy{font-size:12.5px;color:var(--faint);width:100%;padding-top:24px;
  border-top:1px solid var(--line)}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ responsive ============ */
@media (max-width:960px){
  .nav__toggle{display:grid}
  .nav__links{
    position:fixed;inset:70px 0 auto;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(7,8,12,.97);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);padding:18px 24px 26px;
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.3s var(--ease);
  }
  .nav__links.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav__links>a:not(.btn){padding:12px 2px;border-bottom:1px solid var(--line);font-size:15.5px}
  .nav__links .langs{align-self:flex-start;margin:16px 0 6px}
  .nav__links .btn{margin-top:6px;width:100%}

  .cards,.grid3{grid-template-columns:1fr}
  .about{grid-template-columns:1fr;gap:44px}
  .timeline{position:static}
  .stats{grid-template-columns:1fr 1fr}
  .hero{padding:140px 0 72px}
  .section{padding:84px 0}
}
@media (max-width:560px){
  .stats{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .job__head{padding:18px 20px;align-items:flex-start;flex-direction:column;gap:10px}
  .job__inner{padding:0 20px 22px}
  .card{padding:28px 22px 26px}
  .pipeline{padding:26px 20px 22px}
  .footer__inner{flex-direction:column;align-items:flex-start}
}

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