/* ============================================================================
   ООО «САН» — san-ai.ru
   Дизайн: инженерный минимализм. Near-black, hairline-бордеры, один акцент.
   ========================================================================= */

/* ---------- FONTS ---------- */
@font-face{
  font-family:'Inter';
  src:url('/assets/fonts/InterVariable.woff2') format('woff2-variations'),
      url('/assets/fonts/InterVariable.woff2') format('woff2');
  font-weight:100 900; font-style:normal; font-display:swap;
}
@font-face{
  font-family:'JetBrains Mono';
  src:url('/assets/fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight:400; font-style:normal; font-display:swap;
}
@font-face{
  font-family:'JetBrains Mono';
  src:url('/assets/fonts/JetBrainsMono-Medium.woff2') format('woff2');
  font-weight:500; font-style:normal; font-display:swap;
}

/* ---------- TYPED CUSTOM PROPS ---------- */
@property --angle{ syntax:'<angle>'; inherits:false; initial-value:0deg; }
@property --spot{ syntax:'<number>'; inherits:false; initial-value:0; }

/* ---------- TOKENS ---------- */
:root{
  /* поверхности: разница 4–8% светлоты, не больше */
  --bg:        #08090c;
  --bg-alt:    #0a0c10;
  --surface:   #0e1116;
  --elevated:  #12161d;

  --ink:       #E9EDF4;
  --ink-2:     rgba(233,237,244,.66);
  --ink-3:     rgba(233,237,244,.42);

  --line:      rgba(255,255,255,.09);
  --line-2:    rgba(255,255,255,.055);
  --line-hi:   rgba(255,255,255,.16);

  --cyan:      #38E1FF;
  --indigo:    #6D5EF8;
  --accent:    #4EA8FF;
  --accent-dim: rgba(78,168,255,.14);

  --grad:      linear-gradient(100deg, var(--cyan), var(--indigo));

  --r-lg: 20px;
  --r-md: 14px;
  --r-sm: 10px;

  --wrap: 1240px;
  --pad:  clamp(20px, 4vw, 40px);
  --sec-y: clamp(84px, 11vw, 168px);

  --ease: cubic-bezier(.2,.8,.2,1);
}

/* ---------- RESET ---------- */
*,*::before,*::after{ box-sizing:border-box; }
*{ margin:0; }
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:96px;
  scrollbar-gutter:stable;
}
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } }

body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:clamp(15px,.35vw + 14px,16.5px);
  line-height:1.62;
  font-feature-settings:'cv05','ss01','calt','liga';
  letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  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; }
:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; border-radius:4px; }

.sr,.skip{
  position:absolute; width:1px; height:1px; padding:0; overflow:hidden;
  clip-path:inset(50%); white-space:nowrap;
}
.skip:focus{
  position:fixed; top:12px; left:12px; z-index:200; width:auto; height:auto;
  clip-path:none; padding:10px 16px; background:var(--elevated);
  border:1px solid var(--line-hi); border-radius:var(--r-sm);
}

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }

/* ---------- TYPOGRAPHY PRIMITIVES ---------- */
.eyebrow{
  font-family:'JetBrains Mono',ui-monospace,monospace;
  font-size:11.5px; font-weight:500; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink-3);
  display:inline-flex; align-items:center; gap:10px;
  margin-bottom:22px;
}
.eyebrow--sm{ margin-bottom:12px; font-size:10.5px; }
.dot{
  width:6px; height:6px; border-radius:50%; background:var(--cyan);
  box-shadow:0 0 0 4px rgba(56,225,255,.14);
}
@media (prefers-reduced-motion:no-preference){
  .dot{ animation:pulse 2.6s var(--ease) infinite; }
  @keyframes pulse{
    0%,100%{ box-shadow:0 0 0 3px rgba(56,225,255,.16); }
    50%    { box-shadow:0 0 0 7px rgba(56,225,255,.03); }
  }
}

.h2{
  font-size:clamp(28px,3.4vw,52px);
  line-height:1.06;
  letter-spacing:-.032em;
  font-weight:530;
  text-wrap:balance;
  max-width:20ch;
}
.h2--sm{ font-size:clamp(24px,2.4vw,36px); max-width:24ch; }
.h4{
  font-size:12px; font-weight:500; text-transform:uppercase; letter-spacing:.12em;
  font-family:'JetBrains Mono',ui-monospace,monospace;
  color:var(--ink-3); margin:28px 0 12px;
}
.h4:first-child{ margin-top:0; }

.lede{
  margin-top:22px; max-width:74ch;
  font-size:clamp(15.5px,.5vw + 14px,18.5px);
  line-height:1.65; color:var(--ink-2); text-wrap:pretty;
}
.lede--sm{ font-size:16px; max-width:60ch; }
.lede b, p b, li b{ color:var(--ink); font-weight:530; }

/* ---------- HEADER ---------- */
.hdr{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.hdr.is-stuck{
  background:color-mix(in oklab, var(--bg) 78%, transparent);
  backdrop-filter:blur(18px) saturate(1.5);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);
  border-bottom-color:var(--line-2);
}
.hdr__in{
  max-width:var(--wrap); margin-inline:auto; padding:16px var(--pad);
  display:flex; align-items:center; gap:28px;
  transition:padding .35s var(--ease);
}
.hdr.is-stuck .hdr__in{ padding-block:11px; }

.brand{ display:flex; align-items:center; gap:11px; flex:0 0 auto; }
.brand__mark{ width:30px; height:30px; }
.brand__txt{
  font-weight:600; letter-spacing:.16em; font-size:14px;
  font-family:'JetBrains Mono',ui-monospace,monospace;
}
.brand--sm .brand__mark{ width:26px; height:26px; }

.nav{ display:flex; gap:4px; margin-inline:auto; }
.nav a{
  position:relative; padding:8px 13px; border-radius:99px;
  font-size:14px; color:var(--ink-2);
  transition:color .25s, background .25s;
}
.nav a:hover{ color:var(--ink); background:rgba(255,255,255,.045); }
.nav a.is-active{ color:var(--ink); }
.nav a.is-active::after{
  content:''; position:absolute; left:13px; right:13px; bottom:2px; height:1px;
  background:var(--grad);
}

.hdr__cta{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }

/* ---------- BUTTONS ---------- */
.btn{
  --bh:40px;
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  height:var(--bh); padding-inline:18px; border-radius:99px;
  font-size:14px; font-weight:500; letter-spacing:-.005em;
  white-space:nowrap;
  transition:transform .35s var(--ease), background .25s, border-color .25s, color .25s, box-shadow .25s;
}
.btn svg{ width:15px; height:15px; transition:transform .3s var(--ease); }
.btn:hover svg{ transform:translateX(3px); }

.btn--ghost{ color:var(--ink-2); font-family:'JetBrains Mono',ui-monospace,monospace; font-size:12.5px; letter-spacing:.02em; }
.btn--ghost:hover{ color:var(--ink); }

.btn--primary{
  color:#05070c; font-weight:600;
  background:linear-gradient(100deg,#8CEBFF,#9EA6FF);
  box-shadow:0 0 0 1px rgba(255,255,255,.14) inset, 0 8px 30px -12px rgba(78,168,255,.6);
}
.btn--primary:hover{ box-shadow:0 0 0 1px rgba(255,255,255,.22) inset, 0 12px 40px -12px rgba(78,168,255,.85); }

.btn--line{
  color:var(--ink); border:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.btn--line:hover{ border-color:var(--line-hi); background:rgba(255,255,255,.05); }

.btn--lg{ --bh:52px; padding-inline:26px; font-size:15px; }

@media (prefers-reduced-motion:no-preference){ .magnetic{ will-change:transform; } }

/* ---------- BURGER ---------- */
.burger{ display:none; width:40px; height:40px; border-radius:10px; border:1px solid var(--line); }
.burger span{ display:block; width:16px; height:1.5px; background:var(--ink); margin:3px auto; transition:transform .3s var(--ease), opacity .3s; }
.burger[aria-expanded="true"] span:first-child{ transform:translateY(2.25px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child{ transform:translateY(-2.25px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero{
  position:relative; isolation:isolate;
  min-height:100svh; display:flex; align-items:center;
  padding-block:140px 90px; overflow:hidden;
}
.hero__gl{
  position:absolute; inset:0; width:100%; height:100%; z-index:-3;
  background:
    radial-gradient(120% 90% at 15% -10%, #12224f 0%, transparent 58%),
    radial-gradient(90% 80% at 88% 8%,  #0b3f52 0%, transparent 55%),
    var(--bg);
}
.hero__veil{
  position:absolute; inset:0; z-index:-2;
  background:
    radial-gradient(78% 66% at 50% 46%, transparent 0%, rgba(8,9,12,.34) 80%, var(--bg) 100%),
    linear-gradient(180deg, rgba(8,9,12,.42) 0%, transparent 20%, transparent 66%, var(--bg) 100%);
}
.hero__grid{
  position:absolute; inset:0; z-index:-1; opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:76px 76px;
  mask-image:radial-gradient(60% 55% at 50% 42%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(60% 55% at 50% 42%, #000 0%, transparent 78%);
}
.hero__in{ position:relative; }

.hero__h1{
  font-size:clamp(36px,5.1vw,74px);
  line-height:1.04;
  letter-spacing:-.04em;
  font-weight:530;
  max-width:18ch;
}
.hero__h1 .line{ display:block; overflow:hidden; }
.hero__h1 .w{ display:inline-block; }
.hero__h1 .grad{
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
  padding-right:.06em;
}
@media (prefers-reduced-motion:no-preference){
  .hero__h1 .w{ transform:translateY(105%); animation:rise .95s var(--ease) forwards; }
  .hero__h1 .line:nth-child(1) .w{ animation-delay:.08s; }
  .hero__h1 .line:nth-child(2) .w{ animation-delay:.16s; }
  .hero__h1 .line:nth-child(3) .w{ animation-delay:.24s; }
  @keyframes rise{ to{ transform:none; } }
}

.hero__lede{ margin-top:30px; max-width:66ch; font-size:clamp(15.5px,.55vw + 14px,19px); color:var(--ink-2); }
.hero__actions{ margin-top:40px; display:flex; flex-wrap:wrap; gap:14px; }

.hero__stats{
  margin-top:clamp(56px,7vw,96px);
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px; background:var(--line-2);
  border:1px solid var(--line-2); border-radius:var(--r-md); overflow:hidden;
}
.stat{
  background:color-mix(in oklab, var(--surface) 62%, transparent);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  padding:22px 20px 20px;
  display:flex; flex-direction:column-reverse; gap:8px;
}
.stat dt{ font-size:12.5px; color:var(--ink-3); line-height:1.4; }
.stat dd{ margin:0; }
.stat b{
  font-size:clamp(28px,2.6vw,40px); font-weight:500; letter-spacing:-.035em;
  font-variant-numeric:tabular-nums;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}

.hero__scroll{
  position:absolute; left:50%; bottom:26px; translate:-50% 0;
  width:1px; height:56px; background:linear-gradient(180deg, transparent, var(--line-hi));
  overflow:hidden;
}
.hero__scroll span{ position:absolute; inset:0; background:var(--cyan); }
@media (prefers-reduced-motion:no-preference){
  .hero__scroll span{ animation:beam 2.4s var(--ease) infinite; }
  @keyframes beam{ 0%{ transform:translateY(-100%); } 60%,100%{ transform:translateY(100%); } }
}

/* ---------- MARQUEE ---------- */
.marq{
  border-block:1px solid var(--line-2);
  background:var(--bg-alt);
  overflow:hidden; padding-block:18px;
  mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marq__track{ display:flex; width:max-content; }
.marq__row{
  display:flex; align-items:center; gap:0; padding-right:0;
  font-family:'JetBrains Mono',ui-monospace,monospace;
  font-size:12.5px; letter-spacing:.06em; color:var(--ink-3); text-transform:uppercase;
}
.marq__row span{ padding-inline:26px; white-space:nowrap; }
.marq__row i{ width:3px; height:3px; border-radius:50%; background:var(--line-hi); flex:0 0 auto; }
@media (prefers-reduced-motion:no-preference){
  .marq__track{ animation:scroll 46s linear infinite; }
  .marq:hover .marq__track{ animation-play-state:paused; }
  @keyframes scroll{ to{ transform:translateX(-50%); } }
}

/* ---------- SECTIONS ---------- */
.sec{
  padding-block:var(--sec-y);
  content-visibility:auto;
  contain-intrinsic-size:auto 900px;
}
.sec--alt{ background:var(--bg-alt); border-block:1px solid var(--line-2); }
.sec__head{ margin-bottom:clamp(44px,5vw,76px); }

/* ---------- REVEAL ---------- */
@media (prefers-reduced-motion:no-preference){
  @supports (animation-timeline: view()){
    .reveal{
      animation:reveal linear both;
      animation-timeline:view();
      /* Диапазон в пикселях, а не в процентах: у высоких блоков (карточка продукта)
         процентный диапазон растягивается на всю их высоту и они долго остаются
         полупрозрачными. Пиксели дают одинаковое поведение для любого размера. */
      animation-range:entry 0px entry 280px;
    }
    @keyframes reveal{
      from{ opacity:0; transform:translateY(26px); filter:blur(5px); }
      to  { opacity:1; transform:none; filter:none; }
    }
  }
  /* JS-фолбэк для браузеров без scroll-timeline (Firefox) */
  @supports not (animation-timeline: view()){
    .js .reveal{ opacity:0; transform:translateY(26px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
    .js .reveal.in{ opacity:1; transform:none; }
  }
}

/* ---------- SPOTLIGHT CARD ---------- */
.spot{ position:relative; isolation:isolate; }
.spot::before{
  content:''; position:absolute; inset:0; border-radius:inherit; pointer-events:none; z-index:0;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,0%), rgba(78,168,255,.13), transparent 62%);
  opacity:0; transition:opacity .4s var(--ease);
}
.spot:hover::before{ opacity:1; }
.spot > *{ position:relative; z-index:1; }

/* ---------- CARDS ---------- */
.cards{ display:grid; gap:20px; }
.cards--3{ grid-template-columns:repeat(3,1fr); }
.card{
  padding:30px 28px 32px;
  border:1px solid var(--line-2); border-radius:var(--r-lg);
  background:var(--surface);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.045);
  transition:border-color .35s var(--ease), transform .35s var(--ease);
}
.card:hover{ border-color:var(--line); transform:translateY(-2px); }
.card__idx{
  font-family:'JetBrains Mono',ui-monospace,monospace; font-size:11px;
  color:var(--ink-3); letter-spacing:.1em;
}
.card h3{ margin:16px 0 12px; font-size:19px; font-weight:530; letter-spacing:-.02em; }
.card p{ color:var(--ink-2); font-size:14.8px; line-height:1.62; }

/* ---------- BENTO ---------- */
.bento{ display:grid; grid-template-columns:repeat(6,1fr); gap:18px; }
.bento__i{
  grid-column:span 2;
  padding:30px 28px 30px;
  border:1px solid var(--line-2); border-radius:var(--r-lg);
  background:var(--surface);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.045);
  display:flex; flex-direction:column;
  transition:border-color .35s var(--ease), transform .35s var(--ease);
}
.bento__i:hover{ border-color:var(--line); transform:translateY(-2px); }
.bento__i--wide{ grid-column:span 3; }
.bento__i h3{ font-size:19px; font-weight:530; letter-spacing:-.02em; margin-bottom:12px; }
.bento__i p{ color:var(--ink-2); font-size:14.8px; }
.bento__i .okved{
  margin-top:auto; padding-top:20px;
  font-family:'JetBrains Mono',ui-monospace,monospace; font-size:10.5px;
  letter-spacing:.1em; color:var(--ink-3); text-transform:uppercase;
}
.ico{
  width:46px; height:46px; border-radius:12px; margin-bottom:22px;
  display:grid; place-items:center;
  border:1px solid var(--line);
  background:linear-gradient(160deg, rgba(78,168,255,.12), transparent 70%);
  color:var(--cyan);
}
.ico svg{ width:21px; height:21px; }

/* ---------- SERVICES ---------- */
.svc{ list-style:none; padding:0; border-top:1px solid var(--line-2); }
.svc__i{
  display:grid; grid-template-columns:96px 1fr; gap:28px;
  padding:34px 20px 34px 8px;
  border-bottom:1px solid var(--line-2);
  border-radius:var(--r-md);
  transition:background .4s var(--ease), padding-left .4s var(--ease);
}
.svc__i:hover{ background:rgba(255,255,255,.022); padding-left:20px; }
.svc__n{
  font-family:'JetBrains Mono',ui-monospace,monospace; font-size:12px; letter-spacing:.1em;
  color:var(--ink-3); padding-top:6px;
}
.svc__i:hover .svc__n{ color:var(--cyan); }
.svc__b h3{ font-size:clamp(19px,1.5vw,25px); font-weight:530; letter-spacing:-.025em; margin-bottom:14px; }
.svc__b p{ color:var(--ink-2); max-width:82ch; font-size:15px; }

/* ---------- PRODUCTS ---------- */
.prod{
  border:1px solid var(--line-2); border-radius:24px;
  background:var(--surface);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  overflow:hidden;
  margin-bottom:28px;
}
.prod:last-child{ margin-bottom:0; }
.prod__head{
  display:flex; align-items:flex-start; justify-content:space-between; gap:32px;
  padding:38px clamp(24px,3vw,44px) 32px;
  border-bottom:1px solid var(--line-2);
  background:
    radial-gradient(120% 180% at 100% 0%, rgba(109,94,248,.10), transparent 60%),
    radial-gradient(90% 160% at 0% 0%, rgba(56,225,255,.07), transparent 58%);
}
.prod__title{
  font-size:clamp(30px,3.4vw,50px); font-weight:530; letter-spacing:-.04em; line-height:1;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.prod__sub{ margin-top:12px; color:var(--ink-2); font-size:clamp(15px,1.1vw,18px); max-width:40ch; }
.prod__logo{ width:clamp(84px,9vw,120px); flex:0 0 auto; opacity:.9; }
@media (prefers-reduced-motion:no-preference){
  .prod__logo svg{ animation:spin 44s linear infinite; transform-origin:50% 50%; }
  @keyframes spin{ to{ transform:rotate(360deg); } }
  #led .prod__logo svg{ animation:none; }
}

.prod__body{ padding:clamp(26px,3vw,42px) clamp(24px,3vw,44px) clamp(32px,3.4vw,48px); }
.prod__lede{ font-size:clamp(15.5px,.5vw + 14px,18px); color:var(--ink-2); max-width:88ch; }
.prod__cols{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,3.4vw,60px); margin-top:36px; }
.prod__cols p{ color:var(--ink-2); font-size:14.8px; }

.ticks{ list-style:none; padding:0; display:grid; gap:11px; }
.ticks li{
  position:relative; padding-left:26px; color:var(--ink-2); font-size:14.6px; line-height:1.55;
}
.ticks li::before{
  content:''; position:absolute; left:0; top:.55em;
  width:9px; height:9px; border-radius:2px;
  background:var(--grad); opacity:.85;
}

.chips{ display:flex; flex-wrap:wrap; gap:9px; }
.chip{
  display:inline-flex; align-items:baseline; gap:8px;
  padding:9px 14px; border-radius:99px;
  border:1px solid var(--line-2); background:rgba(255,255,255,.022);
  font-size:12.8px; color:var(--ink-3);
  transition:border-color .3s, background .3s, color .3s;
}
.chip b{ color:var(--ink); font-weight:530; font-size:13px; }
.chip:hover{ border-color:var(--line-hi); background:rgba(255,255,255,.05); color:var(--ink-2); }

.specs{
  margin-top:36px; border-top:1px solid var(--line-2);
  display:grid; grid-template-columns:1fr;
}
.spec{
  display:grid; grid-template-columns:220px 1fr; gap:24px;
  padding:16px 0; border-bottom:1px solid var(--line-2);
  font-size:14.4px;
}
.spec span{
  font-family:'JetBrains Mono',ui-monospace,monospace; font-size:11px;
  text-transform:uppercase; letter-spacing:.1em; color:var(--ink-3); padding-top:3px;
}
.spec b{ font-weight:450; color:var(--ink-2); }

/* ---------- STACK ---------- */
.stack{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-2); border:1px solid var(--line-2); border-radius:var(--r-lg); overflow:hidden; }
.stack__g{ background:var(--surface); padding:30px 28px 32px; }
.stack__g h3{
  font-family:'JetBrains Mono',ui-monospace,monospace; font-size:11px;
  text-transform:uppercase; letter-spacing:.12em; color:var(--ink-3); margin-bottom:20px;
}
.tags{ display:flex; flex-wrap:wrap; gap:8px; }
.tags span{
  padding:7px 12px; border-radius:8px; font-size:13px;
  border:1px solid var(--line-2); background:rgba(255,255,255,.02); color:var(--ink-2);
  transition:border-color .3s, color .3s;
}
.tags span:hover{ border-color:var(--line-hi); color:var(--ink); }

/* ---------- STEPS ---------- */
.steps{ list-style:none; padding:0; display:grid; grid-template-columns:repeat(5,1fr); gap:0; position:relative; }
.steps::before{ content:''; position:absolute; left:0; right:0; top:19px; height:1px; background:var(--line-2); }
.step{ position:relative; padding:0 22px 0 0; }
.step__n{
  display:grid; place-items:center; position:relative; z-index:1;
  width:38px; height:38px; border-radius:50%;
  border:1px solid var(--line); background:var(--bg-alt);
  font-family:'JetBrains Mono',ui-monospace,monospace; font-size:11.5px; color:var(--ink-2);
  margin-bottom:22px;
  transition:border-color .35s, color .35s, background .35s;
}
.step:hover .step__n{ border-color:var(--cyan); color:var(--cyan); background:var(--elevated); }
.step h3{ font-size:17px; font-weight:530; letter-spacing:-.02em; margin-bottom:10px; }
.step p{ font-size:14.2px; color:var(--ink-2); }

/* ---------- PRICE ---------- */
.price{
  display:flex; align-items:center; justify-content:space-between; gap:44px; flex-wrap:wrap;
  padding:clamp(32px,4vw,56px);
  border:1px solid var(--line-2); border-radius:24px;
  background:
    radial-gradient(90% 160% at 100% 0%, rgba(109,94,248,.10), transparent 58%),
    var(--surface);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.price .eyebrow{ margin-bottom:16px; }

/* ---------- REQUISITES ---------- */
.req{ max-width:880px; }
.req__list{ margin:0; border-top:1px solid var(--line-2); }
.req__r{
  display:grid; grid-template-columns:minmax(180px,.7fr) 1.3fr; gap:24px;
  padding:16px 12px 16px 0; border-bottom:1px solid var(--line-2);
  border-radius:8px; transition:background .3s;
}
.req__r:hover{ background:rgba(255,255,255,.022); }
.req__r dt{ font-size:13px; color:var(--ink-3); }
.req__r dd{ margin:0; font-size:14.6px; color:var(--ink); }
.req__r dd a{ border-bottom:1px solid var(--line-hi); transition:border-color .25s, color .25s; }
.req__r dd a:hover{ color:var(--cyan); border-color:var(--cyan); }
[data-copy]{ cursor:copy; position:relative; }
[data-copy]:hover{ color:var(--cyan); }

/* ---------- CONTACTS ---------- */
.contacts{ position:relative; overflow:hidden; }
.contacts::before{
  content:''; position:absolute; inset:auto 0 -50% 0; height:100%; z-index:-1;
  background:radial-gradient(60% 100% at 50% 100%, rgba(78,168,255,.13), transparent 70%);
}
.cnt__h{
  font-size:clamp(34px,5.4vw,80px); font-weight:530; letter-spacing:-.042em; line-height:1.02;
  text-wrap:balance;
}
.cnt__links{ margin-top:clamp(40px,5vw,64px); display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-2); border:1px solid var(--line-2); border-radius:var(--r-lg); overflow:hidden; }
.cnt__link{
  background:var(--surface); padding:28px 26px 30px;
  display:flex; flex-direction:column; gap:12px;
  transition:background .35s var(--ease);
}
.cnt__link:not(.cnt__link--static):hover{ background:var(--elevated); }
.cnt__lbl{ font-family:'JetBrains Mono',ui-monospace,monospace; font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-3); }
.cnt__val{ font-size:clamp(18px,1.6vw,24px); letter-spacing:-.025em; font-weight:500; }
.cnt__link:not(.cnt__link--static):hover .cnt__val{
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.cnt__val--sm{ font-size:15.5px; font-weight:400; letter-spacing:-.01em; color:var(--ink-2); line-height:1.5; }

/* ---------- FOOTER ---------- */
.ftr{ border-top:1px solid var(--line-2); background:var(--bg-alt); padding-block:44px 40px; }
.ftr__in{ display:grid; grid-template-columns:1fr auto; gap:32px 48px; align-items:start; }
.ftr__l p{ margin-top:16px; font-size:13px; color:var(--ink-3); line-height:1.65; }
.ftr__nav{ display:flex; flex-wrap:wrap; gap:8px 24px; font-size:13.5px; }
.ftr__nav a{ color:var(--ink-3); transition:color .25s; }
.ftr__nav a:hover{ color:var(--ink); }
.ftr__c{ grid-column:1/-1; padding-top:28px; border-top:1px solid var(--line-2); font-size:12.5px; color:var(--ink-3); }

/* ---------- GRAIN ---------- */
.grain{
  position:fixed; inset:0; z-index:9999; pointer-events:none; opacity:.032;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (prefers-reduced-motion:no-preference){
  .grain{ animation:grain 8s steps(8) infinite; }
  @keyframes grain{ to{ background-position:140px 140px; } }
}

/* ---------- TOAST ---------- */
.toast{
  position:fixed; left:50%; bottom:28px; translate:-50% 20px; z-index:300;
  padding:11px 20px; border-radius:99px;
  background:var(--elevated); border:1px solid var(--line-hi);
  font-size:13.5px; color:var(--ink);
  opacity:0; pointer-events:none;
  transition:opacity .3s var(--ease), translate .3s var(--ease);
}
.toast.is-on{ opacity:1; translate:-50% 0; }

/* ============================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width:1080px){
  .cards--3{ grid-template-columns:1fr 1fr; }
  .bento__i,.bento__i--wide{ grid-column:span 3; }
  .stack{ grid-template-columns:1fr 1fr; }
  .steps{ grid-template-columns:repeat(2,1fr); gap:36px 24px; }
  .steps::before{ display:none; }
  .hero__stats{ grid-template-columns:1fr 1fr; }
}

@media (max-width:900px){
  .nav{
    position:fixed; inset:64px 12px auto 12px; z-index:99;
    flex-direction:column; gap:2px; padding:14px;
    background:color-mix(in oklab, var(--elevated) 92%, transparent);
    backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
    border:1px solid var(--line); border-radius:var(--r-md);
    opacity:0; visibility:hidden; transform:translateY(-8px);
    transition:opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
  }
  .nav.is-open{ opacity:1; visibility:visible; transform:none; }
  .nav a{ padding:12px 14px; font-size:15px; }
  .nav a.is-active::after{ display:none; }
  .burger{ display:block; order:3; }
  .hdr__cta .btn--ghost{ display:none; }
  .hdr__cta{ order:2; margin-left:auto; }
  .hdr__in{ gap:12px; }
  .prod__cols{ grid-template-columns:1fr; }
  .spec{ grid-template-columns:1fr; gap:5px; }
  .ftr__in{ grid-template-columns:1fr; }
  .cnt__links{ grid-template-columns:1fr; }
}

@media (max-width:720px){
  .cards--3{ grid-template-columns:1fr; }
  .bento{ grid-template-columns:1fr; }
  .bento__i,.bento__i--wide{ grid-column:span 1; }
  .stack{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .svc__i{ grid-template-columns:1fr; gap:10px; padding-inline:0; }
  .svc__i:hover{ padding-left:12px; }
  .svc__n{ padding-top:0; }
  .hero__stats{ grid-template-columns:1fr; }
  .req__r{ grid-template-columns:1fr; gap:4px; }
  .hero{ min-height:auto; padding-block:120px 72px; }
  .prod__head{ flex-direction:column-reverse; align-items:flex-start; gap:24px; }
  .price{ flex-direction:column; align-items:stretch; }
  .price .btn{ width:100%; }
}

@media (max-width:420px){
  .marq__row span{ padding-inline:16px; }
}

/* ---------- PRINT (для проверяющих) ---------- */
@media print{
  .hdr,.hero__gl,.hero__grid,.hero__veil,.grain,.marq,.hero__scroll,.toast{ display:none !important; }
  body{ background:#fff; color:#000; }
  .sec,.sec--alt{ padding-block:24px; background:#fff; border:0; content-visibility:visible; }
  .prod,.card,.bento__i,.stack__g,.price{ background:#fff; border:1px solid #ccc; box-shadow:none; }
  .h2,.prod__title,.cnt__h,.stat b{ color:#000 !important; -webkit-text-fill-color:#000; }
  .lede,.card p,.bento__i p,.prod__lede,.ticks li,.spec b,.req__r dd{ color:#222; }
  a{ color:#000; }
}

/* ---------- HIGH CONTRAST ---------- */
@media (prefers-contrast:more){
  :root{ --ink-2:rgba(233,237,244,.86); --ink-3:rgba(233,237,244,.68); --line:rgba(255,255,255,.3); --line-2:rgba(255,255,255,.2); }
}