/* ==========================================================================
   Nox — home: hero (ASCII Saturn) + landing sections
   ========================================================================== */
.hero{position:relative;z-index:1;min-height:100vh;min-height:100svh;isolation:isolate;--tail:58vh}
.sky-wrap{
  position:absolute;left:0;top:0;z-index:0;width:100%;height:calc(100% + var(--tail));overflow:hidden;pointer-events:none;
  -webkit-mask-image:linear-gradient(to bottom,#000 0,#000 calc(100% - var(--tail)),rgba(0,0,0,.42) calc(100% - var(--tail)*.8),rgba(0,0,0,.12) calc(100% - var(--tail)*.45),transparent 100%);
  mask-image:linear-gradient(to bottom,#000 0,#000 calc(100% - var(--tail)),rgba(0,0,0,.42) calc(100% - var(--tail)*.8),rgba(0,0,0,.12) calc(100% - var(--tail)*.45),transparent 100%);
}
.sky{position:absolute;inset:0;z-index:1;display:block;width:100%;height:100%;pointer-events:none}
.halo{
  position:absolute;left:0;top:0;z-index:0;width:0;height:0;border-radius:50%;pointer-events:none;
  opacity:0;transition:opacity 2.2s var(--ease);
  background:radial-gradient(closest-side,
    rgba(var(--halo),.008) 0%,
    rgba(var(--halo),.012) 48.6%,
    rgba(var(--halo),.02) 53%,
    rgba(var(--halo),.072) 54.05%,
    rgba(var(--halo),.078) 55.1%,
    rgba(var(--halo),.068) 56.8%,
    rgba(var(--halo),.048) 59.5%,
    rgba(var(--halo),.035) 62.2%,
    rgba(var(--halo),.027) 64.9%,
    rgba(var(--halo),.018) 70.3%,
    rgba(var(--halo),.012) 75.7%,
    rgba(var(--halo),.006) 83.8%,
    rgba(var(--halo),.002) 91.9%,
    rgba(var(--halo),0) 100%);
}
.halo.is-on{opacity:1;animation:breathe 9s ease-in-out 2.4s infinite}
:root[data-theme="light"] .halo.is-on{opacity:.7}
@keyframes breathe{50%{scale:1.012}}
.frame{position:absolute;inset:0;z-index:2;pointer-events:none}
.frame::before,.frame::after{content:"";position:absolute;top:0;bottom:0;width:1px;background:var(--line);left:calc(50% - var(--container)/2)}
.frame::after{left:calc(50% + var(--container)/2)}

.hero__in{
  position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:calc(var(--k)*302) 20px 0;
}
.title{
  margin:0;font-weight:var(--w-h);font-size:var(--fs-h);line-height:.94;letter-spacing:-.046em;color:var(--fg);
  font-feature-settings:"kern" 1;
}
.title__vis{display:block;position:relative}
.title__line{display:block;white-space:pre}
.ch{opacity:0}
.ch.on{opacity:1}
.title:not(.is-armed) .ch{opacity:1}
.caret-slot{display:inline-block;width:.345em}
.title.is-idle .caret{animation:blink 1.06s steps(1,end) infinite}
.title:not(.is-armed) .caret-anchor{display:none}

.lead{
  margin:calc(var(--k)*30.9) 0 0;max-width:28.3em;
  font-size:max(16px,calc(var(--k)*23));line-height:1.6;letter-spacing:-.003em;color:var(--fg-lead);
  min-height:3.2em;
}
.lead .sw{display:inline}
.cta{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:calc(var(--k)*38.5)}

.is-lead .lead.intro-up{animation:rise 1.1s var(--ease) both}
.is-cta .cta .intro-up{animation:rise 1.1s var(--ease) both;animation-delay:calc(var(--i,0)*110ms)}
.js .title:not(.is-armed) .title__vis{visibility:hidden;animation:failsafe-v 0s 3s forwards}

/* ==========================================================================
   Landing
   ========================================================================== */
.land{position:relative;z-index:3}
.land::before,.land::after{content:"";position:absolute;top:0;bottom:0;width:1px;background:var(--line);left:calc(50% - var(--container)/2);pointer-events:none}
.land::after{left:calc(50% + var(--container)/2)}
.lsec:first-child{padding-top:clamp(72px,11vw,150px)}

.lgrid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,5vw,88px);align-items:center}
.lgrid__text{display:flex;flex-direction:column;align-items:flex-start;gap:24px}
.lgrid__code .code{box-shadow:inset 0 0 0 1px var(--bd-soft),0 40px 100px -40px rgba(0,0,0,.8)}
.lgrid__code .code pre{min-height:330px}
.tools{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:4px 0 0;padding:0}
.tools li{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--bd-soft);font-family:var(--mono);font-size:12.5px;color:var(--fg-nav);transition:box-shadow .25s,color .25s}
.tools li:hover{box-shadow:inset 0 0 0 1px var(--bd-hover);color:var(--fg)}

.lhead{display:flex;align-items:flex-end;justify-content:space-between;gap:32px 48px;flex-wrap:wrap;margin-bottom:clamp(36px,4.4vw,60px)}
.lhead > div:first-child{display:flex;flex-direction:column;gap:22px;align-items:flex-start}
.lhead__side{max-width:440px;display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.lhead__side .sub{font-size:16.5px}
.lhead__count{color:var(--fg-mute);font-size:13px;margin-left:2px}

/* модели */
.mgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.mtile{display:flex;flex-direction:column;gap:8px;padding:16px 18px 18px;min-height:244px;overflow:hidden}
.mtile__art{display:block;margin:2px -4px 6px;font-size:10.5px;line-height:1.18;letter-spacing:0;color:var(--fg-mute);text-align:center;white-space:pre;overflow:hidden;user-select:none;transition:color .4s}
.mtile:hover .mtile__art{color:var(--fg-nav)}
.mtile__top{display:flex;align-items:center;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:12px;color:var(--fg-mute)}
.mtile__name{font-size:17px;line-height:1.25;font-weight:var(--w-ui);letter-spacing:-.015em;color:var(--fg);margin-top:auto}
.mtile__id{font-family:var(--mono);font-size:12px;color:var(--fg-mute);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mgrid__empty{grid-column:1/-1}
.mtile__meta{display:inline-flex;align-items:center;gap:9px}
.mtile__beta{color:var(--info);text-transform:lowercase}
.mtile .sdot{flex:none}

/* возможности */
.bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.bento__c{display:flex;flex-direction:column;gap:10px;padding:26px 26px 28px;min-height:310px;text-decoration:none;color:inherit}
.bento__c p{color:var(--fg-mute);font-size:15px;line-height:1.6;max-width:30em}
.bento__c .h-sm{display:flex;align-items:center;gap:10px}
.fx{margin:0 0 auto;padding-bottom:24px;font-family:var(--mono);font-size:12.5px;line-height:1.65;color:var(--fg-mute);white-space:pre;overflow:hidden;user-select:none}
.fx span{color:var(--fg)}
.fx--limits{display:flex;flex-direction:column;gap:10px;white-space:normal}
.fx__row{display:grid;grid-template-columns:1fr auto;gap:4px 12px;align-items:baseline}
.fx__row .abar{grid-column:1/-1;font-size:12px;overflow:hidden}
.fx__row > b{font-weight:var(--w-ui);font-family:var(--sans);font-size:22px;letter-spacing:-.03em;color:var(--fg)}
.fx__row > em{font-style:normal;font-size:12px;color:var(--fg-mute)}
.fx--key{display:flex;flex-direction:column;justify-content:center;gap:8px;height:132px;font-size:12.5px;line-height:1.5}
.fx__l{font-style:normal;color:var(--fg-faint);white-space:pre;overflow:hidden}
.fx__pow span{color:var(--fg-mute)}
.fx__pow b{font-weight:var(--w-mono);color:var(--fg)}
.fx__pow .ok{color:var(--ok)}
.fx__kr{display:flex;align-items:center;gap:2px;margin-top:6px;font-size:15px;color:var(--fg)}
.fx__k{overflow:hidden;text-overflow:clip;white-space:nowrap}
.fx__cur{flex:none;width:9px;height:18px;background:currentColor;animation:blink 1.06s steps(1,end) infinite}
.fx--api{font-size:13px;line-height:1.9}
.fx--api span{display:inline-block;width:4.6ch;color:var(--fg)}
.fx--sse{font-size:12px;line-height:1.6;height:132px}
.fx--sse b{font-weight:var(--w-mono);color:var(--fg)}
.fx--sse .r{display:block;height:3.2em;overflow:hidden;white-space:pre-wrap;color:var(--fg);font-size:13px;line-height:1.6;margin-bottom:2px}
.fx--sse .r i{display:inline-block;width:.55em;height:1.1em;margin-left:1px;vertical-align:-.18em;background:currentColor;animation:blink 1.06s steps(1,end) infinite}
.fx--route i{font-style:normal;color:var(--fg-faint)}
.fx--route{font-size:12.5px;line-height:1.55;height:132px}
.fx--route .ok{color:var(--ok)}
.fx--route .bad{color:var(--bad)}
.fx--beat{font-size:13px;line-height:1.2;height:132px;display:flex;align-items:center}
.fx--beat code{display:block;font:inherit;color:inherit;white-space:pre}

/* шаги */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.step{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:14px;padding:26px 0 0;box-shadow:inset 0 1px 0 var(--bd)}
.step::before{content:"";position:absolute;left:0;top:-1px;width:42px;height:1px;background:var(--fg)}
.step__n{font-family:var(--mono);font-size:13px;color:var(--fg-mute)}
.step p{color:var(--fg-mute);font-size:15px;line-height:1.6;max-width:26em}
.step .btn,.step .link,.step__url{margin-top:6px}
.step__url{display:inline-flex;align-items:center;gap:10px;max-width:100%;height:38px;padding:0 12px 0 14px;border:0;border-radius:10px;background:var(--code-bg);box-shadow:inset 0 0 0 1px var(--bd-soft);font-size:13px;color:var(--fg);cursor:pointer;transition:box-shadow .2s}
.step__url span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.step__url svg{width:14px;height:14px;flex:none;color:var(--fg-mute)}
.step__url:hover{box-shadow:inset 0 0 0 1px var(--bd-hover)}

/* финальный призыв */
.lcta{text-align:center;padding-bottom:clamp(40px,6vw,80px)}
.lcta__in{display:flex;flex-direction:column;align-items:center;gap:28px}
.lcta__art{margin:0 0 -8px;font-size:11px;line-height:1.16;color:var(--fg-mute);white-space:pre;user-select:none}
.lcta .h-xl{text-align:center}
.lcta .sub{text-align:center}
.lcta__acts{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:6px}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1199px){
  .mgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lgrid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:767px){
  .hero{--tail:40vh}
  .hero__in{padding:calc(var(--hdr-h) + 13vh) 16px 0}
  .lead{margin-top:20px;max-width:24em;font-size:16px;line-height:1.6;min-height:4.8em;text-wrap:pretty}
  .cta{flex-direction:column;align-items:stretch;width:min(100%,340px);margin-top:28px;gap:10px}
  .mgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .mtile{min-height:0;padding:14px}
  .mtile__art{font-size:8.5px}
  .bento{grid-template-columns:minmax(0,1fr)}
  .bento__c{min-height:0;padding:22px}
  .steps{grid-template-columns:minmax(0,1fr);gap:28px}
  .lgrid__code .code pre{min-height:0;font-size:12.5px}
  .lcta__art{font-size:8.5px}
}
@media (max-width:767px) and (max-height:700px){
  .hero__in{padding-top:calc(var(--hdr-h) + 6vh)}
}
@media (max-width:420px){
  .mgrid{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){
  .title.is-idle .caret{animation:none}
  .halo.is-on{animation:none}
}