/* ============================================================
   GERNITPROFIL — design system v2 "ENGINEERING PAPER"
   Tokens → layout → components → pages → responsive
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root{
  --paper:#F3F1EA;
  --paper-2:#FAF9F4;
  --paper-3:#E9E5DA;
  --sand:#E7DFCF;
  --white:#FFFFFF;

  --ink:#12160F;
  --ink-2:#39413A;
  --ink-3:#6C746C;
  --ink-4:#9AA198;

  --em:#0E6A4B;
  --em-d:#0A4F38;
  --em-soft:#E2EBE4;

  --line:rgba(18,22,15,.14);
  --line-2:rgba(18,22,15,.08);
  --line-strong:rgba(18,22,15,.32);

  --r:4px;
  --r-lg:8px;

  --w:1280px;
  --pad:28px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --t:.22s var(--ease);

  --font:'Onest','Inter','Helvetica Neue',Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font);font-size:17px;line-height:1.6;
  font-weight:400;letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--em);color:var(--paper)}
:focus-visible{outline:2px solid var(--em);outline-offset:3px}

/* ---------- 2. Layout ---------- */
.u-wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
.u-wrap--narrow{max-width:900px}
.u-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}

.sec{position:relative;padding:104px 0}
.sec--tight{padding:72px 0}
.sec--paper2{background:var(--paper-2)}
.sec--ink{background:var(--ink);color:var(--paper)}
.sec--flush{padding-top:0}

/* section heading */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:44px}
.sec-head__l{max-width:760px}
.sec-head__idx{
  font-family:var(--mono);font-size:11px;line-height:1;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3);display:flex;align-items:center;gap:12px;
  margin-bottom:20px;
}
.sec-head__idx::after{content:"";width:56px;height:1px;background:var(--line-strong)}
.sec-head h2{
  font-size:clamp(28px,3.2vw,42px);line-height:1.08;font-weight:470;
  letter-spacing:-.032em;text-wrap:balance;
}
.sec-head p{margin-top:16px;color:var(--ink-3);font-size:16px;line-height:1.6;max-width:62ch}
.sec-head__link{
  flex:none;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:10px;padding-bottom:6px;border-bottom:1px solid var(--line-strong);
  transition:var(--t);white-space:nowrap;
}
.sec-head__link:hover{border-color:var(--em);color:var(--em)}
.sec-head__link svg{transition:transform var(--t)}
.sec-head__link:hover svg{transform:translateX(4px)}

/* ---------- 3. Type helpers ---------- */
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.kicker{
  font-family:var(--mono);font-size:11px;line-height:1.4;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3);
}
.lead{font-size:19px;line-height:1.58;color:var(--ink-2);letter-spacing:-.011em}
.muted{color:var(--ink-3)}
.small{font-size:13px;line-height:1.5}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- 4. Buttons ---------- */
.btn{
  --h:52px;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:var(--h);padding:0 26px;border-radius:var(--r);
  font-size:15px;font-weight:500;letter-spacing:-.01em;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
  border:1px solid transparent;
}
.btn svg{flex:none;transition:transform var(--t)}
.btn:hover svg{transform:translateX(3px)}
.btn--pri{background:var(--em);color:#fff;border-color:var(--em)}
.btn--pri:hover{background:var(--em-d);border-color:var(--em-d)}
.btn--ink{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn--ink:hover{background:var(--em);border-color:var(--em)}
.btn--ghost{border-color:var(--line-strong);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);background:rgba(18,22,15,.03)}
.btn--sm{--h:40px;padding:0 16px;font-size:13.5px;border-radius:3px}
.btn--wide{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;
  border-bottom:1px solid var(--line);padding-bottom:3px;transition:var(--t);
}
.link-arrow:hover{border-color:var(--em);color:var(--em)}

/* ---------- 5. Technical frame ---------- */
.tech{position:relative;background:var(--paper-2);border:1px solid var(--line)}
.tech::before,.tech::after{
  content:"";position:absolute;width:9px;height:9px;border:1px solid var(--line-strong);
  pointer-events:none;
}
.tech::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.tech::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.tech__cap{
  position:absolute;top:14px;left:16px;font-family:var(--mono);font-size:10px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);z-index:2;
}
.tech__tag{
  position:absolute;bottom:14px;right:16px;display:inline-flex;align-items:center;gap:8px;
  background:var(--paper);border:1px solid var(--line);border-radius:2px;
  padding:6px 10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--ink-2);
}
.tech__tag i{width:5px;height:5px;border-radius:50%;background:var(--em)}

/* ---------- 6. Top bar + header ---------- */
.topbar{border-bottom:1px solid var(--line-2);background:var(--paper)}
.topbar__in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:42px}
.topbar__l{display:flex;align-items:center;gap:26px;font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
.topbar__l span{display:inline-flex;align-items:center;gap:7px}
.topbar__r{display:flex;align-items:center;gap:22px;font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase}
.topbar__r a{color:var(--ink-2);transition:var(--t)}
.topbar__r a:hover{color:var(--em)}
.topbar__r .acc{color:var(--em);display:inline-flex;align-items:center;gap:5px}

.hdr{position:sticky;top:0;z-index:60;background:rgba(243,241,234,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-2)}
.hdr__in{display:flex;align-items:center;gap:34px;height:78px}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo__mark{width:34px;height:34px;flex:none}
.logo__txt{display:block;font-size:16.5px;font-weight:600;letter-spacing:.02em;line-height:1;text-transform:uppercase}
.logo__sub{display:block;font-family:var(--mono);font-size:8.5px;letter-spacing:.13em;color:var(--ink-3);margin-top:6px;text-transform:uppercase;font-weight:400}

.search{position:relative;flex:1;max-width:420px;margin-left:auto}
.search input{
  width:100%;height:44px;padding:0 44px 0 15px;border:1px solid var(--line);border-radius:3px;
  background:var(--paper-2);font:inherit;font-size:14px;color:var(--ink);transition:var(--t);
}
.search input::placeholder{color:var(--ink-4)}
.search input:focus{outline:0;border-color:var(--ink-3);background:var(--white)}
.search__ico{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--ink-3);pointer-events:none}
.search__kbd{
  position:absolute;right:42px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:10px;color:var(--ink-4);border:1px solid var(--line);border-radius:2px;padding:1px 5px;
}

.hdr__cta{display:flex;align-items:center;gap:22px;flex:none;margin-left:auto}
.hphone{display:flex;flex-direction:column;align-items:flex-end;line-height:1.1}
.hphone b{font-size:16px;font-weight:600;letter-spacing:-.01em}
.hphone span{font-family:var(--mono);font-size:9px;letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase;margin-top:4px}

/* nav */
.nav{border-bottom:1px solid var(--line-2);background:var(--paper);position:relative;z-index:55}
.nav__in{display:flex;align-items:center;gap:4px;height:54px}
.nav a.nav__l{
  position:relative;display:inline-flex;align-items:center;gap:7px;height:54px;padding:0 14px;
  font-size:14px;font-weight:450;color:var(--ink-2);transition:color var(--t);
}
.nav a.nav__l:hover{color:var(--ink)}
.nav a.nav__l::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:1.5px;background:var(--em);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav a.nav__l:hover::after,.nav a.nav__l.on::after{transform:scaleX(1)}
.nav a.nav__l.on{color:var(--ink)}
.nav__sp{flex:1}
.nav__note{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);display:inline-flex;align-items:center;gap:8px}
.nav__note i{width:6px;height:6px;border-radius:50%;background:var(--em);box-shadow:0 0 0 3px var(--em-soft)}

/* mega menu */
.mega{
  position:absolute;left:0;right:0;top:100%;background:var(--paper-2);border-bottom:1px solid var(--line);
  box-shadow:0 24px 48px rgba(18,22,15,.07);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:none}
.mega__in{display:grid;grid-template-columns:1.6fr 1fr .9fr;gap:48px;padding:36px 0 40px}
.mega h5{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 0 16px;font-weight:400}
.mega ul{display:grid;grid-template-columns:1fr 1fr;gap:2px 24px}
.mega li a{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:7px 0;font-size:14px;color:var(--ink-2);border-bottom:1px solid transparent;transition:var(--t)}
.mega li a:hover{color:var(--ink);border-color:var(--line)}
.mega li em{font-style:normal;font-family:var(--mono);font-size:10px;color:var(--ink-4)}
.mega__promo{background:var(--paper);border:1px solid var(--line);padding:22px;position:relative}
.mega__promo img{mix-blend-mode:multiply;height:110px;margin:0 auto 14px;object-fit:contain}
.mega__promo b{display:block;font-size:14px;font-weight:600;margin-bottom:4px}
.mega__promo span{font-size:12.5px;color:var(--ink-3);line-height:1.45;display:block}

/* ---------- 7. Hero ---------- */
.hero{padding:64px 0 0;position:relative;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:64px;align-items:start}
.hero__kick{display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:26px}
.hero__kick i{width:5px;height:5px;background:var(--em);border-radius:50%}
.hero h1{
  font-size:clamp(36px,4.6vw,62px);line-height:1.02;font-weight:460;letter-spacing:-.038em;
  text-wrap:balance;margin:0 0 26px;
}
.hero h1 em{font-style:normal;color:var(--em)}
.hero__lead{font-size:18px;line-height:1.6;color:var(--ink-2);max-width:56ch;letter-spacing:-.008em}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero__marks{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.hero__marks span{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);display:inline-flex;align-items:center;gap:8px}
.hero__marks svg{color:var(--em)}

.hero__art{position:relative}
/* атлас сечений */
.sheet{padding:22px 24px 18px}
.sheet__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-bottom:14px}
.sheet__head b{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);font-weight:400}
.sheet__head span{font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--ink-4)}
.sheet__row{display:flex;align-items:center;gap:16px;padding:14px 0;border-top:1px solid var(--line-2)}
.sheet__row span{
  flex:none;width:92px;font-family:var(--mono);font-size:9px;line-height:1.4;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3);
}
.sheet__row img{
  height:72px;width:auto;max-width:100%;margin-left:auto;object-fit:contain;
  mix-blend-mode:multiply;transition:transform .4s var(--ease);
}
.sheet__row:hover img{transform:scale(1.03)}
.sheet__foot{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:14px;border-top:1px solid var(--line-2)}
.sheet__foot span{font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-4)}

/* stats strip */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:64px;background:var(--paper-2)}
.stats__in{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 28px 28px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:clamp(30px,3vw,40px);font-weight:500;letter-spacing:-.035em;line-height:1;font-variant-numeric:tabular-nums}
.stat b i{font-style:normal;color:var(--em)}
.stat span{display:block;margin-top:10px;font-family:var(--mono);font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- 8. Solutions (bento) ---------- */
.sol{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.sol__i{background:var(--paper-2);padding:30px 28px 26px;position:relative;transition:background var(--t);display:flex;flex-direction:column;min-height:196px}
.sol__i:hover{background:var(--white)}
.sol__i:hover .sol__arrow{transform:translate(3px,-3px);color:var(--em)}
.sol__n{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--ink-4);margin-bottom:22px}
.sol__i h3{font-size:17px;font-weight:600;letter-spacing:-.015em;margin-bottom:8px}
.sol__i p{font-size:13.5px;line-height:1.5;color:var(--ink-3);max-width:34ch}
.sol__arrow{position:absolute;right:24px;bottom:24px;color:var(--ink-4);transition:var(--t)}

/* ---------- 9. Catalog index tiles ---------- */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cat{
  position:relative;display:flex;flex-direction:column;background:var(--paper-2);
  padding:22px 22px 20px;min-height:156px;transition:background var(--t);
}
.cat:hover{background:var(--white)}
.cat__n{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;color:var(--ink-4)}
.cat__b{margin-top:auto;padding-top:30px}
.cat h3{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:17.5px;font-weight:500;letter-spacing:-.018em;line-height:1.25;
}
.cat h3 svg{flex:none;opacity:0;transform:translateX(-4px);transition:var(--t);color:var(--em)}
.cat:hover h3 svg{opacity:1;transform:none}
.cat__cnt{margin-top:7px;font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4)}
.cat:hover .cat__meta svg{color:var(--em);transform:translateX(3px)}

/* ---------- 10. Production (dark) ---------- */
.prod-band{background:var(--ink);color:var(--paper);padding:0}
.prod-band__in{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch}
.prod-band__l{padding:88px 0 88px}
.prod-band__r{border-left:1px solid rgba(243,241,234,.12);padding:88px 0 88px 72px;display:flex;flex-direction:column;justify-content:center}
.prod-band .kicker{color:rgba(243,241,234,.5)}
.prod-band h2{font-size:clamp(28px,3vw,40px);line-height:1.1;font-weight:470;letter-spacing:-.03em;margin:20px 0 22px;max-width:15ch}
.prod-band p{color:rgba(243,241,234,.66);font-size:16px;line-height:1.62;max-width:46ch}
.prod-band .btn--ghost{border-color:rgba(243,241,234,.28);color:var(--paper)}
.prod-band .btn--ghost:hover{background:rgba(243,241,234,.08);border-color:var(--paper)}
.pmark{display:flex;align-items:flex-end;gap:0;margin-bottom:34px;border-bottom:1px solid rgba(243,241,234,.16)}
.pmark__i{padding:0 34px 18px 0;margin-right:34px;border-right:1px solid rgba(243,241,234,.14)}
.pmark__i:last-child{border-right:0;margin-right:0;padding-right:0}
.pmark__i b{display:block;font-size:34px;font-weight:500;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.pmark__i span{display:block;margin-top:9px;font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:rgba(243,241,234,.45)}
.spec-list{border-top:1px solid rgba(243,241,234,.14)}
.spec-list div{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid rgba(243,241,234,.14);font-size:14px}
.spec-list dt{color:rgba(243,241,234,.55)}
.spec-list dd{margin:0;font-family:var(--mono);font-size:13px;color:var(--paper)}

/* ---------- 11. Why (editorial grid) ---------- */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.why__i{background:var(--paper);padding:34px 30px 32px}
.why__i b{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--em);margin-bottom:16px}
.why__i h3{font-size:17px;font-weight:600;letter-spacing:-.015em;margin-bottom:9px}
.why__i p{font-size:13.5px;line-height:1.55;color:var(--ink-3);max-width:38ch}

/* ---------- 12. Process ---------- */
.proc{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line-strong)}
.proc__i{padding:26px 22px 0 0;border-right:1px solid var(--line-2);position:relative}
.proc__i:last-child{border-right:0}
.proc__i::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--paper);border:1px solid var(--ink);}
.proc__n{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--ink-4);margin-bottom:16px}
.proc__i h3{font-size:15px;font-weight:600;margin-bottom:7px;letter-spacing:-.01em}
.proc__i p{font-size:12.5px;line-height:1.5;color:var(--ink-3)}

/* ---------- 13. Articles ---------- */
.arts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.art{display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--line);transition:border-color var(--t),transform var(--t)}
.art:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.art__cover{
  aspect-ratio:16/9;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:18px;
  background:
    repeating-linear-gradient(90deg,rgba(18,22,15,.055) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(0deg,rgba(18,22,15,.055) 0 1px,transparent 1px 26px),
    var(--paper-3);
}
.art__cover::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(18,22,15,.04),rgba(18,22,15,.14))}
.art__cover b{position:relative;z-index:1;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:rgba(18,22,15,.6)}
.art__b{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.art__tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--em);margin-bottom:12px}
.art h3{font-size:17px;line-height:1.32;font-weight:600;letter-spacing:-.015em;margin-bottom:10px}
.art p{font-size:13px;line-height:1.55;color:var(--ink-3);margin-bottom:18px}
.art__m{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--ink-4);letter-spacing:.06em;text-transform:uppercase}

/* ---------- 14. FAQ ---------- */
.faq{border-top:1px solid var(--line-strong);max-width:900px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;font-size:17px;font-weight:500;letter-spacing:-.015em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{
  flex:none;width:26px;height:26px;border:1px solid var(--line-strong);border-radius:50%;
  display:grid;place-items:center;transition:var(--t);position:relative;
}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;background:var(--ink);transition:var(--t)}
.faq summary i::before{width:10px;height:1px}
.faq summary i::after{width:1px;height:10px}
.faq details[open] summary i{background:var(--em);border-color:var(--em)}
.faq details[open] summary i::before,.faq details[open] summary i::after{background:#fff}
.faq details[open] summary i::after{transform:scaleY(0)}
.faq .faq__a{padding:0 60px 24px 0;color:var(--ink-3);font-size:15px;line-height:1.62;max-width:70ch}

/* ---------- 15. CTA ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding:80px 0}
.cta-band__in{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:center}
.cta-band h2{font-size:clamp(28px,3.4vw,44px);line-height:1.08;font-weight:470;letter-spacing:-.032em;margin-bottom:18px;text-wrap:balance}
.cta-band p{color:rgba(243,241,234,.62);font-size:16px;line-height:1.6;max-width:44ch}
.form{display:grid;gap:12px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form input,.form textarea{
  width:100%;background:rgba(243,241,234,.06);border:1px solid rgba(243,241,234,.2);border-radius:3px;
  padding:14px 16px;font:inherit;font-size:14px;color:var(--paper);transition:var(--t);
}
.form input::placeholder,.form textarea::placeholder{color:rgba(243,241,234,.42)}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--em);background:rgba(243,241,234,.09)}
.form textarea{min-height:92px;resize:vertical}
.form__foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:4px}
.form__note{font-size:11px;line-height:1.45;color:rgba(243,241,234,.42);max-width:30ch}

/* ---------- 16. Footer ---------- */
.ftr{background:var(--paper);border-top:1px solid var(--line);padding:64px 0 0}
.ftr__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:52px}
.ftr h4{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:18px;font-weight:400}
.ftr li{margin-bottom:9px;font-size:14px;color:var(--ink-2)}
.ftr li a{transition:var(--t)}
.ftr li a:hover{color:var(--em)}
.ftr__brand p{font-size:13.5px;line-height:1.55;color:var(--ink-3);margin-top:16px;max-width:32ch}
.ftr__phone{font-size:20px;font-weight:600;letter-spacing:-.02em;display:block;margin-bottom:6px}
.ftr__bot{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;border-top:1px solid var(--line);font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--ink-4);text-transform:uppercase}

/* ============================================================
   PAGE: PRODUCT
   ============================================================ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-4);padding:20px 0 0}
.crumbs a{transition:var(--t)}
.crumbs a:hover{color:var(--ink)}
.crumbs span{opacity:.5}

.pdp{padding:32px 0 0}
.pdp .gal__main{aspect-ratio:4/3}
.pdp-sticky{display:none}
.pdp__row{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:56px;align-items:start}
.gal{position:relative}
.gal__main{
  position:relative;background:var(--paper-2);border:1px solid var(--line);
  aspect-ratio:1/1;display:grid;place-items:center;padding:34px;overflow:hidden;
}
.gal__main img{mix-blend-mode:multiply;max-height:100%;width:auto;object-fit:contain;transition:transform .5s var(--ease)}
.gal__main:hover img{transform:scale(1.03)}
.gal__main .ph{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4)}
.gal__thumbs{display:flex;gap:10px;margin-top:10px}
.gal__thumbs button{width:74px;height:74px;border:1px solid var(--line);background:var(--paper-2);display:grid;place-items:center;padding:8px;transition:var(--t)}
.gal__thumbs button img{mix-blend-mode:multiply;max-height:100%;object-fit:contain}
.gal__thumbs button.on,.gal__thumbs button:hover{border-color:var(--ink)}
.gal__cap{display:flex;justify-content:space-between;gap:16px;margin-top:12px;font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-4)}

.pinfo__top{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 9px;border:1px solid var(--line);
  border-radius:2px;font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);
  background:var(--paper-2);
}
.chip--brand{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chip--stock{background:var(--em-soft);border-color:transparent;color:var(--em-d)}
.chip--stock i{width:5px;height:5px;border-radius:50%;background:var(--em)}
.pinfo h1{font-size:clamp(28px,3vw,40px);line-height:1.1;font-weight:500;letter-spacing:-.032em;margin-bottom:18px;text-wrap:balance}
.pinfo__short{font-size:15.5px;line-height:1.6;color:var(--ink-2);max-width:52ch}
.pinfo__short b{font-weight:600;color:var(--ink)}

.buy{margin-top:28px;border:1px solid var(--line);background:var(--paper-2);padding:22px}
.buy__row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}
.buy__price b{display:block;font-size:38px;font-weight:500;letter-spacing:-.035em;line-height:1;font-variant-numeric:tabular-nums}
.buy__price span{display:block;margin-top:7px;font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4)}
.buy__qty{display:flex;align-items:center;border:1px solid var(--line);height:44px;background:var(--paper)}
.buy__qty button{width:38px;height:100%;display:grid;place-items:center;color:var(--ink-3);transition:var(--t)}
.buy__qty button:hover{color:var(--ink);background:rgba(18,22,15,.04)}
.buy__qty input{width:44px;height:100%;border:0;background:transparent;text-align:center;font:inherit;font-size:14px;font-variant-numeric:tabular-nums}
.buy__qty input:focus{outline:0}
.buy__qty span{font-family:var(--mono);font-size:10px;color:var(--ink-3);padding-right:12px;text-transform:uppercase}
.buy__cta{display:grid;grid-template-columns:1fr;gap:8px;margin-top:16px}
.buy__note{display:flex;gap:8px;margin-top:12px;font-size:11.5px;line-height:1.45;color:var(--ink-4)}

.usp{margin-top:22px;border-top:1px solid var(--line)}
.usp__i{display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-bottom:1px solid var(--line-2)}
.usp__i svg{flex:none;color:var(--em);margin-top:2px}
.usp__i b{font-size:13.5px;font-weight:600;display:block}
.usp__i span{font-size:12.5px;color:var(--ink-3);line-height:1.45}

/* spec ribbon */
.ribbon{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px}
.ribbon__i{background:var(--paper-2);padding:20px 22px}
.ribbon__i b{display:block;font-size:24px;font-weight:500;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.ribbon__i b small{font-size:13px;letter-spacing:0;color:var(--ink-3);font-weight:400}
.ribbon__i span{display:block;margin-top:8px;font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4)}

/* tabs */
.tabs{margin-top:56px;display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start}
.tabs__nav{position:sticky;top:150px;display:flex;flex-direction:column;border-top:1px solid var(--line)}
.tabs__b{
  text-align:left;padding:14px 0;border-bottom:1px solid var(--line-2);font-size:14px;color:var(--ink-3);
  display:flex;align-items:center;justify-content:space-between;gap:12px;transition:var(--t);
}
.tabs__b::after{content:"";width:5px;height:5px;border-radius:50%;background:transparent;transition:var(--t)}
.tabs__b:hover{color:var(--ink)}
.tabs__b.on{color:var(--ink);font-weight:500}
.tabs__b.on::after{background:var(--em)}
.tabs__p{display:none;max-width:76ch}
.tabs__p.on{display:block;animation:fade .3s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.tabs__p h2{font-size:24px;font-weight:500;letter-spacing:-.025em;margin:0 0 16px}
.tabs__p h2:not(:first-child){margin-top:36px}
.tabs__p h3{font-size:17px;font-weight:600;margin:28px 0 10px}
.tabs__p p{margin:0 0 14px;color:var(--ink-2);font-size:15.5px;line-height:1.65}
.tabs__p ul{margin:0 0 16px}
.tabs__p li{position:relative;padding-left:20px;margin-bottom:8px;color:var(--ink-2);font-size:15px;line-height:1.6}
.tabs__p li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:1px;background:var(--em)}

.spec-table{width:100%;border-collapse:collapse;font-size:14.5px}
.spec-table tr{border-bottom:1px solid var(--line-2)}
.spec-table th{text-align:left;font-weight:400;color:var(--ink-3);padding:12px 20px 12px 0;width:46%;vertical-align:top}
.spec-table td{padding:12px 0;color:var(--ink);font-variant-numeric:tabular-nums}
.spec-table tr:hover th,.spec-table tr:hover td{background:rgba(18,22,15,.015)}

/* related */
.related{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

/* product card v2 */
.pc{display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--line);transition:border-color var(--t),transform var(--t)}
.pc:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.pc__img{aspect-ratio:16/10;display:grid;place-items:center;padding:18px;border-bottom:1px solid var(--line-2);position:relative;overflow:hidden}
.pc__img img{mix-blend-mode:multiply;max-height:100%;width:auto;object-fit:contain;transition:transform .4s var(--ease)}
.pc:hover .pc__img img{transform:scale(1.04)}
.pc__img .ph{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-4)}
.pc__brand{position:absolute;top:10px;left:10px;font-family:var(--mono);font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);background:var(--paper);border:1px solid var(--line-2);padding:3px 6px}
.pc__b{padding:16px;display:flex;flex-direction:column;flex:1}
.pc h3{font-size:14px;line-height:1.36;font-weight:500;letter-spacing:-.008em;margin-bottom:12px}
.pc h3 a:hover{color:var(--em)}
.pc__spec{font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--ink-4);margin-bottom:14px}
.pc__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--line-2)}
.pc__price{font-size:16px;font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.pc__price small{font-size:10px;font-weight:400;color:var(--ink-4);letter-spacing:0;margin-left:2px}
.pc__go{width:30px;height:30px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-3);transition:var(--t)}
.pc:hover .pc__go{background:var(--em);border-color:var(--em);color:#fff}


/* ---------- plate for products without a drawing ---------- */
.pc__img--plate{
  background:
    repeating-linear-gradient(90deg,rgba(18,22,15,.05) 0 1px,transparent 1px 22px),
    repeating-linear-gradient(0deg,rgba(18,22,15,.05) 0 1px,transparent 1px 22px),
    var(--paper);
}
.pc__plate{display:flex;flex-direction:column;align-items:center;gap:9px;text-align:center}
.pc__code{
  font-family:var(--mono);font-size:14px;letter-spacing:.02em;color:var(--ink-2);
  padding:6px 10px;border:1px solid var(--line);background:rgba(250,249,244,.75);
}
.pc__plate small{
  font-family:var(--mono);font-size:8px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-4);
}
.pc__price--ask{font-size:12.5px;font-weight:500;color:var(--ink-3);letter-spacing:0}

/* ============================================================
   PAGE: CATEGORY
   ============================================================ */
.cathead{padding:36px 0 0}
.cathead__row{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:26px}
.cathead h1{font-size:clamp(30px,3.6vw,50px);line-height:1.05;font-weight:500;letter-spacing:-.035em;margin-bottom:16px}
.cathead p{font-size:16px;line-height:1.6;color:var(--ink-3);max-width:66ch}
.cathead__count{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap;padding-bottom:8px}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:28px;flex-wrap:wrap}
.toolbar__l{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.f{height:32px;padding:0 12px;border:1px solid var(--line);border-radius:2px;font-size:12.5px;color:var(--ink-2);display:inline-flex;align-items:center;gap:7px;background:var(--paper-2);transition:var(--t)}
.f:hover{border-color:var(--ink-3)}
.f.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.f i{font-style:normal;font-family:var(--mono);font-size:9.5px;opacity:.6}
.toolbar__r{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-3)}
.toolbar__r select{border:0;background:transparent;font:inherit;font-size:12.5px;color:var(--ink);padding:6px 0;cursor:pointer}
.toolbar__r select:focus{outline:0}

.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pager{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:48px}
.pager a,.pager span{min-width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);font-size:13px;font-variant-numeric:tabular-nums;transition:var(--t);padding:0 8px}
.pager a:hover{border-color:var(--ink)}
.pager .cur{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.pager .gap{border:0}

.seo-block{margin-top:72px;padding-top:36px;border-top:1px solid var(--line)}
.seo-block h2{font-size:20px;font-weight:500;letter-spacing:-.02em;margin-bottom:14px}
.seo-block p{font-size:14.5px;line-height:1.68;color:var(--ink-3);max-width:80ch;margin-bottom:12px}
.seo-block details{border-top:1px solid var(--line-2);margin-top:8px}
.seo-block summary{cursor:pointer;list-style:none;padding:16px 0;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.seo-block summary::-webkit-details-marker{display:none}
.seo-block summary::after{content:" +";color:var(--em)}
.seo-block details[open] summary::after{content:" −"}


.toolbar__note{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.seo-more{padding:2px 0 22px;max-width:80ch}
.seo-more p{font-size:14.5px;line-height:1.68;color:var(--ink-3);margin-bottom:12px}
.seo-more p b{color:var(--ink-2);font-weight:600}

/* ---------- misc ---------- */
.divider{height:1px;background:var(--line);margin:0}
.note-bar{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line);background:var(--paper-2);font-size:13px;line-height:1.55;color:var(--ink-3)}
.note-bar svg{flex:none;color:var(--em);margin-top:1px}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  :root{--pad:24px}
  .hero__grid{gap:40px}
  .mega__in{grid-template-columns:1.4fr 1fr;}
  .mega__promo{display:none}
  .tabs{grid-template-columns:1fr;gap:28px}
  .tabs__nav{position:static;flex-direction:row;overflow:auto;border-bottom:1px solid var(--line);border-top:0;gap:22px}
  .tabs__b{border-bottom:0;white-space:nowrap;padding:12px 0}
  .tabs__b::after{display:none}
}
@media (max-width:1024px){
  .sec{padding:76px 0}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__art{order:0;max-width:560px}
  .hero__note{left:auto;right:-8px}
  .stats__in{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid var(--line)}
  .sol{grid-template-columns:repeat(2,1fr)}
  .cats{grid-template-columns:repeat(2,1fr)}
  .prod-band__in{grid-template-columns:1fr}
  .prod-band__l,.prod-band__r{padding:56px 0}
  .prod-band__r{border-left:0;border-top:1px solid rgba(243,241,234,.12);padding-left:0}
  .why{grid-template-columns:repeat(2,1fr)}
  .proc{grid-template-columns:repeat(2,1fr);border-top:0}
  .proc__i{border-top:1px solid var(--line);padding-top:20px}
  .proc__i::before{display:none}
  .arts{grid-template-columns:1fr 1fr}
  .cta-band__in{grid-template-columns:1fr;gap:36px}
  .ftr__top{grid-template-columns:1fr 1fr;gap:36px}
  .pdp__row{grid-template-columns:1fr;gap:32px}
  .ribbon{grid-template-columns:repeat(2,1fr)}
  .related,.grid4{grid-template-columns:repeat(2,1fr)}
  .search{display:none}
}
@media (max-width:760px){
  body{font-size:16px}
  :root{--pad:18px}
  .topbar__l span:nth-child(2){display:none}
  .topbar__r a:first-child{display:none}
  .hdr__in{height:66px;gap:14px}
  .hphone{display:none}
  .hdr__cta .btn{--h:40px;padding:0 14px;font-size:13px}
  .nav__in{height:48px;overflow-x:auto;scrollbar-width:none}
  .nav__in::-webkit-scrollbar{display:none}
  .nav a.nav__l{height:48px;padding:0 11px;font-size:13px}
  .nav__note{display:none}
  .mega{display:none}
  .topbar__l{display:none}
  .topbar__in{height:36px}
  .hero{padding-top:36px}
  .cat{padding:18px;min-height:0}
  .cat__b{padding-top:16px}
  .hero h1{font-size:clamp(30px,8.4vw,42px)}
  .hero__lead{font-size:16px}
  .hero__cta .btn{flex:1;min-width:150px}
  .sec{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:30px}
  .stats__in{grid-template-columns:1fr 1fr}
  .stat{padding:22px 18px}
  .stat b{font-size:28px}
  .sol,.cats,.why,.arts,.related,.grid4{grid-template-columns:1fr}
  .sol__i{min-height:0;padding:22px}
  .proc{grid-template-columns:1fr}
  .faq summary{font-size:15.5px;padding:18px 0}
  .cta-band{padding:56px 0}
  .form__row{grid-template-columns:1fr}
  .ftr__top{grid-template-columns:1fr;gap:30px}
  .ftr__bot{flex-direction:column;align-items:flex-start;gap:8px}
  .cathead__row{flex-direction:column;align-items:flex-start;gap:10px}
  .pinfo h1{font-size:26px}
  .buy__row{flex-wrap:wrap}
  .buy__price b{font-size:32px}
  .ribbon{grid-template-columns:1fr 1fr}
  .gal__main{aspect-ratio:1/1;padding:20px}
  .toolbar__r{display:none}
  .crumbs{font-size:9px}
  .pdp .gal__main{aspect-ratio:16/10;padding:16px}
  .grid4,.related{grid-template-columns:1fr 1fr;gap:10px}
  .pc__img{aspect-ratio:4/3;padding:12px}
  .pc__b{padding:12px}
  .pc h3{font-size:12.5px;line-height:1.34;margin-bottom:8px;min-height:2.7em}
  .pc__price{font-size:14px}
  .pc__price--ask{font-size:10.5px}
  .pc__go{width:26px;height:26px}
  .pc__code{font-size:10.5px;padding:3px 6px}
  .gal__cap{font-size:8.5px}
  .pdp-sticky{position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--paper);border-top:1px solid var(--line);padding:10px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -8px 24px rgba(18,22,15,.06)}
  .pdp-sticky b{font-size:18px;letter-spacing:-.02em}
  .pdp-sticky .btn{--h:44px;padding:0 16px;font-size:13px}
  body{padding-bottom:70px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ============================================================
   BUILD ADDITIONS 2 — формы на светлом фоне, заявка
   ============================================================ */
.form--light input,.form--light textarea{
  background:var(--paper-2);border-color:var(--line);color:var(--ink);
}
.form--light input::placeholder,.form--light textarea::placeholder{color:var(--ink-4)}
.form--light input:focus,.form--light textarea:focus{background:#fff;border-color:var(--em)}
.request-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;margin-top:36px;align-items:start}
.request-side .infolist{border-top:1px solid var(--line-strong)}
.request-side .infolist__i b{width:110px}
@media (max-width:1024px){
  .request-grid{grid-template-columns:1fr;gap:40px}
}

/* ============================================================
   BUILD ADDITIONS — rich content, articles, misc
   ============================================================ */

/* rich text (описания товаров, статьи, SEO-блоки) */
.rich{max-width:78ch}
.rich > *:first-child{margin-top:0}
.rich h2{font-size:24px;font-weight:500;letter-spacing:-.025em;line-height:1.2;margin:38px 0 14px;text-wrap:balance}
.rich h3{font-size:17.5px;font-weight:600;letter-spacing:-.015em;margin:28px 0 10px}
.rich p{margin:0 0 14px;color:var(--ink-2);font-size:15.5px;line-height:1.66}
.rich ul,.rich ol{margin:0 0 18px;padding:0}
.rich li{position:relative;padding-left:20px;margin-bottom:8px;color:var(--ink-2);font-size:15px;line-height:1.6}
.rich ul li::before{content:"";position:absolute;left:0;top:.66em;width:7px;height:1px;background:var(--em)}
.rich ol{counter-reset:n}
.rich ol li{padding-left:26px;counter-increment:n}
.rich ol li::before{content:counter(n) ".";position:absolute;left:0;top:0;font-family:var(--mono);font-size:11px;color:var(--ink-4);line-height:1.9}
.rich strong,.rich b{color:var(--ink);font-weight:600}
.rich a{color:var(--ink);border-bottom:1px solid var(--line-strong);transition:var(--t)}
.rich a:hover{color:var(--em);border-color:var(--em)}
.rich table{width:100%;border-collapse:collapse;font-size:14.5px;margin:8px 0 22px}
.rich table th{text-align:left;font-weight:400;color:var(--ink-3);padding:11px 18px 11px 0;border-bottom:1px solid var(--line-2);vertical-align:top;width:46%}
.rich table td{padding:11px 0;border-bottom:1px solid var(--line-2);font-variant-numeric:tabular-nums}
.rich img{max-width:100%;height:auto;border:1px solid var(--line)}
.rich blockquote{margin:22px 0;padding:16px 20px;border-left:2px solid var(--em);background:var(--paper-2);color:var(--ink-2);font-size:15px}
.rich hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.rich .note,.rich .example,.rich .article-toc,.rich .literatura{margin:22px 0}
.rich .note{padding:16px 18px;border:1px solid var(--line);background:var(--paper-2);font-size:14px;line-height:1.6;color:var(--ink-3)}
.rich .example{border:1px solid var(--line);padding:18px 20px;background:var(--paper-2)}
.rich .example-title{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--em);margin-bottom:10px}
.rich .schema-faq,.rich .faq-item{margin:0}
.rich .table-wrap{overflow-x:auto;margin:0 0 22px}

/* article page */
.post-page{padding:34px 0 0}
.post-head{padding-top:30px}
.post-head{max-width:900px}
.post-head h1{font-size:clamp(30px,3.6vw,50px);line-height:1.06;font-weight:470;letter-spacing:-.035em;text-wrap:balance}
.post-head .lead{margin-top:20px;font-size:19px;line-height:1.58;color:var(--ink-3);letter-spacing:-.011em;max-width:70ch}
.post-grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:64px;margin-top:48px;align-items:start}
.gal__main--plate{aspect-ratio:1/.72;background:
  repeating-linear-gradient(90deg,rgba(18,22,15,.05) 0 1px,transparent 1px 24px),
  repeating-linear-gradient(0deg,rgba(18,22,15,.05) 0 1px,transparent 1px 24px),
  var(--paper)}
.gal__main--plate .pc__code{font-size:20px;padding:9px 14px}
.gal__main--plate .pc__plate small{font-size:9px}
.art__cover .art__num{position:absolute;left:14px;top:10px;font-family:var(--mono);font-size:44px;line-height:1;
  letter-spacing:-.04em;color:rgba(18,22,15,.13);z-index:1}
.art-toc{position:sticky;top:150px}
.art-toc .article-toc{background:none;border:0;border-left:1px solid var(--line);border-radius:0;padding:0 0 0 18px;margin:0;font-family:var(--font);color:var(--ink-3)}
.art-toc .toc-title{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--ink-4);margin-bottom:12px}
.art-toc .toc-list{columns:1;margin:0;padding:0;list-style:none}
.art-toc .toc-list li{margin:0 0 2px}
.art-toc .toc-list a{display:block;padding:5px 0;font-size:13px;line-height:1.4;color:var(--ink-3);border:0;transition:var(--t)}
.art-toc .toc-list a:hover{color:var(--ink)}
.post-body{max-width:76ch}
.post-body > h2:first-child{margin-top:0}
.art-cta{margin:34px 0 0}
.litera{border-top:1px solid var(--line);padding-top:26px}
.litera h2{font-size:18px;margin-top:0}
.litera ol{margin-bottom:0}
.author{margin-top:26px}
.author .author-card{display:flex;gap:18px;align-items:flex-start;border:1px solid var(--line);background:var(--paper-2);padding:22px}
.author .author-card__photo{flex:none;width:72px;height:72px;border-radius:50%;overflow:hidden;background:var(--paper-3)}
.author .author-card__photo img{width:100%;height:100%;object-fit:cover}
.author .author-card__body{font-size:13.5px;line-height:1.6;color:var(--ink-3)}
.author .author-card__body b{display:block;color:var(--ink);font-size:14px;margin-bottom:4px}

/* seo links */
.seo-links{font-size:14px;line-height:1.7;color:var(--ink-3);margin-top:14px}
.seo-links a{color:var(--ink-2);border-bottom:1px solid var(--line);transition:var(--t)}
.seo-links a:hover{color:var(--em);border-color:var(--em)}
.seo-block .seo-more h3{font-size:14px;font-weight:600;margin:14px 0 6px;color:var(--ink-2)}

/* misc cards */
.infolist{border-top:1px solid var(--line-strong);max-width:900px}
.infolist__i{display:flex;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}
.infolist__i b{flex:none;width:170px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);padding-top:3px;font-weight:400}
.infolist__i span{font-size:15px;color:var(--ink-2);line-height:1.55}

.contactgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.contactcard{background:var(--paper-2);padding:26px 24px}
.contactcard h3{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:400;margin-bottom:12px}
.contactcard p{font-size:15.5px;line-height:1.5;color:var(--ink)}
.bigphone{font-size:22px !important;font-weight:600;letter-spacing:-.02em}

.calcs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.calc{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);background:var(--paper-2);padding:24px;transition:var(--t)}
.calc:hover{border-color:var(--line-strong);background:var(--white);transform:translateY(-2px)}
.calc b{font-size:16px;font-weight:600;letter-spacing:-.015em}
.calc span{font-size:13px;line-height:1.5;color:var(--ink-3)}

.catlist{columns:2;column-gap:40px}
.catlist li{margin-bottom:7px;font-size:14.5px;break-inside:avoid}
.catlist a{border-bottom:1px solid var(--line)}
.catlist a:hover{color:var(--em);border-color:var(--em)}
.searchbox{max-width:640px;margin-top:20px}
.searchbox input{width:100%;height:52px;padding:0 16px;border:1px solid var(--line-strong);border-radius:3px;background:var(--white);font:inherit;font-size:16px}
.searchbox input:focus{outline:0;border-color:var(--em)}

@media (max-width:1024px){
  .post-grid{grid-template-columns:1fr;gap:0}
  .art-toc{position:static;margin-bottom:28px}
  .art-toc .article-toc{border-left:0;border-top:1px solid var(--line);padding:16px 0 0}
  .art-toc .toc-list{columns:2;column-gap:24px}
  .contactgrid,.calcs{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .rich h2{font-size:21px}
  .rich p,.rich li{font-size:15px}
  .post-head .lead{font-size:16.5px}
  .art-toc .toc-list{columns:1}
  .contactgrid,.calcs{grid-template-columns:1fr}
  .infolist__i{flex-direction:column;gap:6px}
  .infolist__i b{width:auto}
  .catlist{columns:1}
}


/* ============================================================
   ТЕХНОЭЛАСТ — дополнения к системе
   ============================================================ */

/* --- схемы материалов --- */
.pc__img{padding:0;background:var(--paper)}
.pc__img svg.roll{width:100%;height:100%;display:block}
.pc:hover .pc__img svg.roll{transform:scale(1.02)}
.pc__img svg.roll{transition:transform .5s var(--ease)}
.gal__main svg.section{width:100%;height:100%;display:block}
.gal__main{padding:0}
.gal__main--dia{background:var(--paper)}

/* --- тёмная карточка-схема --- */
.tech--dark{color:#F3F1EA}
.gal__main--dia{color:#12160F}
.gal__thumbs > div{color:#12160F}
.logo__mark{color:var(--ink);flex:none;display:block}
.tech--dark{background:var(--ink);border-color:rgba(243,241,234,.16)}
.tech--dark::before,.tech--dark::after{border-color:rgba(243,241,234,.35)}
.tech--dark .sheet__head b{color:rgba(243,241,234,.55)}
.tech--dark .sheet__head span{color:rgba(243,241,234,.4)}
.tech--dark .sheet__foot{color:rgba(243,241,234,.5);border-top:1px solid rgba(243,241,234,.12);margin-top:6px;padding-top:12px}
.tech--dark .link-arrow{color:var(--paper);border-color:rgba(243,241,234,.4)}
.tech--dark .gal__main{aspect-ratio:auto}

/* --- обложка статьи --- */
.art__cover--g{padding:0;display:block;align-items:stretch}
.art__svg{position:absolute;inset:0;display:grid;place-items:center}
.art__svg svg{width:100%;height:100%;display:block}
.art__cover--g b{position:absolute;left:18px;bottom:14px;z-index:2}

/* --- заголовок первого экрана --- */
.hero h1{font-size:clamp(32px,4.2vw,56px)}
@media (max-width:760px){.hero h1{font-size:clamp(28px,8vw,38px)}}

/* --- оглавление страниц --- */
.toc a{display:block;padding:9px 0;border-bottom:1px solid var(--line-2);font-size:14.5px;
  color:var(--ink-2);line-height:1.35;transition:color var(--t)}
.toc a:hover{color:var(--em)}

/* --- мобильное меню --- */
.topbar__ph{display:none;font-weight:600;color:var(--ink)}
@media (max-width:1024px){.topbar__ph{display:inline}}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);flex-direction:column;
  justify-content:center;align-items:center;gap:5px;padding:0;background:none;cursor:pointer}
.burger span{display:block;width:18px;height:1.6px;background:var(--ink)}
.mnav{position:fixed;inset:0;z-index:300;background:var(--paper);display:flex;flex-direction:column;
  overflow-y:auto;overscroll-behavior:contain}
.mnav[hidden]{display:none}
.mnav__top{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;
  border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:2}
.mnav__x{font-size:26px;line-height:1;padding:0 4px;color:var(--ink)}
.mnav__in{padding:4px 20px 20px}
.mnav__grp h5{margin:20px 0 6px;font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-4);font-weight:400}
.mnav__in a{display:flex;justify-content:space-between;gap:12px;padding:11px 0;
  border-bottom:1px solid var(--line-2);font-size:16px;color:var(--ink)}
.mnav__in a i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--ink-4)}
.mnav__all{color:var(--em)}
.mnav__foot{margin-top:auto;padding:18px 20px 28px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:12px;position:sticky;bottom:0;background:var(--paper)}
.mnav__foot .btn{width:100%;justify-content:center}
.mnav__ph{font-size:18px;font-weight:600;text-align:center}
body.lock{overflow:hidden}

@media (max-width:1024px){
  .nav{display:none}
  .burger{display:flex}
  .hdr__cta .btn--ink{display:none}
}

.pc__spec{display:flex;flex-wrap:wrap;gap:0 14px}
.pc__spec b{font-weight:500;color:var(--ink-2);font-variant-numeric:tabular-nums}

/* --- бейдж цвета посыпки --- */
.badge-c{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);
  font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.badge-c i{width:11px;height:11px;border-radius:50%;border:1px solid rgba(18,22,15,.25);display:block}

/* --- таблица сравнения по серии --- */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--paper-2)}
.compare{width:100%;border-collapse:collapse;font-size:13.5px;min-width:760px}
.compare th,.compare td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-2);border-right:1px solid var(--line-2);vertical-align:top}
.compare thead th{background:var(--paper);font-family:var(--mono);font-size:10px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--ink-3);font-weight:400;position:sticky;top:0}
.compare tbody th{font-weight:400;color:var(--ink-3);white-space:nowrap;background:var(--paper-2)}
.compare td{color:var(--ink);font-variant-numeric:tabular-nums}
.compare tr:last-child td,.compare tr:last-child th{border-bottom:0}
.compare td a{color:var(--ink);border-bottom:1px solid var(--line);transition:border-color var(--t)}
.compare td a:hover{border-color:var(--em);color:var(--em)}

/* --- короткие факты --- */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.facts div{background:var(--paper-2);padding:20px 22px}
.facts b{display:block;font-size:22px;letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums}
.facts span{display:block;margin-top:6px;font-size:13px;color:var(--ink-3);line-height:1.4}

/* --- якорная навигация по длинной карточке --- */
.anchors{display:flex;flex-wrap:wrap;gap:8px;margin:30px 0 0}
.anchors a{font-family:var(--mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;
  padding:7px 11px;border:1px solid var(--line);color:var(--ink-3);transition:var(--t)}
.anchors a:hover{border-color:var(--em);color:var(--em)}

/* --- калькулятор --- */
.calcbox{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:1px;
  background:var(--line);border:1px solid var(--line);margin-top:26px}
.calcbox__in{background:var(--paper-2);padding:28px 30px}
.calcbox__out{background:var(--ink);color:var(--paper);padding:28px 30px;display:flex;flex-direction:column;justify-content:center}
.calcbox__out .lbl{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:rgba(243,241,234,.5)}
.calcbox__out b{display:block;font-size:clamp(34px,4vw,52px);line-height:1;letter-spacing:-.04em;
  font-weight:500;margin:12px 0 6px;font-variant-numeric:tabular-nums}
.calcbox__out em{font-style:normal;font-size:14px;color:rgba(243,241,234,.65);line-height:1.5}
.cf{margin-bottom:20px}
.cf label{display:block;font-size:13px;color:var(--ink-3);margin-bottom:7px}
.cf input,.cf select{width:100%;height:46px;padding:0 13px;border:1px solid var(--line);
  background:var(--white);font:inherit;font-size:15px;color:var(--ink);border-radius:0}
.cf input:focus,.cf select:focus{outline:2px solid var(--em);outline-offset:-1px}
.cf-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cf-note{font-size:12.5px;color:var(--ink-4);line-height:1.5}

/* --- список документов / условий --- */
.dl{border-top:1px solid var(--line-strong)}
.dl div{display:flex;justify-content:space-between;gap:24px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.dl dt{color:var(--ink-3)}
.dl dd{margin:0;text-align:right;color:var(--ink)}

/* --- цитата/заметка --- */
.note--paper{background:var(--sand);border-left:2px solid var(--em);padding:18px 22px;
  font-size:14.5px;line-height:1.6;color:var(--ink-2)}

/* --- обложки статей: без фотографий, графика --- */
.art__cover--g{background:
  repeating-linear-gradient(90deg,rgba(18,22,15,.06) 0 1px,transparent 1px 22px),
  repeating-linear-gradient(0deg,rgba(18,22,15,.06) 0 1px,transparent 1px 22px),
  var(--paper)}
.art__cover--g b{color:rgba(18,22,15,.55);position:relative;z-index:1}

/* --- сетка разделов каталога с номерами --- */
.serie-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.serie-list a{background:var(--paper-2);padding:24px 26px;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;transition:background var(--t)}
.serie-list a:hover{background:var(--white)}
.serie-list .n{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--ink-4)}
.serie-list h3{font-size:17px;font-weight:500;letter-spacing:-.018em;margin:0}
.serie-list p{margin:4px 0 0;font-size:13px;color:var(--ink-3);line-height:1.45}
.serie-list .c{font-family:var(--mono);font-size:11px;color:var(--ink-4);white-space:nowrap}

/* --- фильтр каталога --- */
.filterbar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px}
.filterbar button{font-family:var(--mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;
  padding:8px 12px;border:1px solid var(--line);color:var(--ink-3);background:transparent;transition:var(--t)}
.filterbar button:hover{border-color:var(--line-strong);color:var(--ink)}
.filterbar button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* --- рубрики блога --- */
.rubrics{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.rubrics a{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;
  padding:8px 12px;border:1px solid var(--line);color:var(--ink-3);transition:var(--t)}
.rubrics a:hover,.rubrics a.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}

@media (max-width:1024px){
  .calcbox{grid-template-columns:1fr}
  .serie-list{grid-template-columns:1fr}
  .facts{grid-template-columns:repeat(2,1fr)}
  .nav__in{overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .nav__in::-webkit-scrollbar{display:none}
  .nav__note,.nav__sp{display:none}
  .nav__l{white-space:nowrap}
  .hero__cta{flex-wrap:wrap}
  .hero__cta .btn{flex:1 1 190px}
  .hdr__cta .hphone{display:none}
  .req,.request-grid{grid-template-columns:1fr !important;gap:34px !important}
}
@media (max-width:760px){
  .compare{min-width:620px;font-size:12.5px}
  .compare th,.compare td{padding:10px 12px}
  .facts{grid-template-columns:1fr}
  .cf-row{grid-template-columns:1fr}
  .calcbox__in,.calcbox__out{padding:22px 20px}
}


/* ============ ТЕМА: Швейцарская сетка ============ */
/* ============================================================
   КОНЦЕПЦИЯ B — «Швейцарская сетка»
   Белый лист, чёрная типографика, сигнальный красный.
   Острые углы, крупные заголовки, тонкие линейки.
   ============================================================ */
:root{
  --paper:#FFFFFF;
  --paper-2:#FFFFFF;
  --paper-3:#F5F5F2;
  --sand:#EFEFEA;
  --white:#FFFFFF;

  --ink:#0B0B0C;
  --ink-2:#2A2A2D;
  --ink-3:#63636A;
  --ink-4:#9A9AA0;

  --em:#D7222A;
  --em-d:#A31318;
  --em-soft:#FBEBEB;

  --line:#D9D9D4;
  --line-2:#EDEDE8;
  --line-strong:#0B0B0C;

  --r:0;
  --r-lg:0;
}

body{background:#fff;color:var(--ink)}

/* --- шапка: строгая, с жирной линией снизу --- */
.topbar{background:#fff;border-bottom:1px solid var(--line);color:var(--ink-3)}
.hdr{background:#fff;border-bottom:1px solid var(--line-strong)}
.logo__txt{font-weight:800;letter-spacing:-.03em;text-transform:uppercase;font-size:20px}
.logo__sub{color:var(--em);letter-spacing:.14em;font-weight:600}
.nav{background:#fff;border-bottom:1px solid var(--line)}
.nav__l{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:15px 0;margin-right:26px}
.nav__l.on{border-bottom:2px solid var(--em);color:var(--ink)}
.nav__note{text-transform:uppercase;letter-spacing:.1em;font-size:9.5px;color:var(--ink-4)}
.mega{background:#fff;border:1px solid var(--ink);border-top:3px solid var(--em)}
.mega h5{color:var(--ink-4);letter-spacing:.14em}
.search input{border-color:var(--line-strong);border-radius:0}

/* --- кнопки --- */
.btn{border-radius:0;text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:700;
  padding:15px 22px}
.btn--pri{background:var(--ink);border-color:var(--ink);color:#fff}
.btn--pri:hover{background:var(--em);border-color:var(--em)}
.btn--ink{background:var(--ink);border-color:var(--ink);color:#fff}
.btn--ink:hover{background:var(--em);border-color:var(--em)}
.btn--ghost{border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}

/* --- герой: огромный заголовок, диаграмма линией --- */
.hero{padding:84px 0 0;background:#fff;border-bottom:1px solid var(--line-strong)}
.hero__grid{align-items:end}
.hero h1{font-size:clamp(40px,6vw,84px);line-height:.96;font-weight:700;letter-spacing:-.055em;
  text-transform:none}
.hero h1 em{color:var(--ink);font-style:normal;border-bottom:6px solid var(--em)}
.hero__lead{font-size:18px;color:var(--ink-2);max-width:52ch}
.hero__kick{color:var(--em);letter-spacing:.18em;font-weight:600}
.hero__kick i{background:var(--em);width:22px;height:2px}
.hero__marks span{text-transform:uppercase;letter-spacing:.08em;font-size:10.5px;color:var(--ink-3)}
.tech{border:1px solid var(--ink);background:#fff;color:#0B0B0C}
.tech--dark{background:#fff;color:#0B0B0C;border-color:var(--ink)}
.tech--dark .sheet__head b{color:rgba(11,11,12,.6)}
.tech--dark .sheet__head span{color:rgba(11,11,12,.45)}
.tech--dark .sheet__foot{color:rgba(11,11,12,.6);border-top:1px solid rgba(11,11,12,.12)}
.tech--dark .link-arrow{color:#0B0B0C;border-color:rgba(11,11,12,.45)}
.gal__main--dia{color:#0B0B0C}
.hero h1{font-size:clamp(38px,4.9vw,64px)}
.tech::before,.tech::after{display:none}
.sheet__head b{color:var(--ink);letter-spacing:.16em}

/* --- цифры: крупно, в линию, с красным подчёркиванием --- */
.stats{border-color:var(--line-strong);background:#fff}
.stat{border-color:var(--line)}
.stat b{font-size:clamp(34px,3.6vw,52px);font-weight:700;letter-spacing:-.05em}
.stat b i{color:var(--em);font-style:normal}
.stat span{text-transform:uppercase;letter-spacing:.1em;font-size:9.5px;color:var(--ink-4)}

/* --- секции --- */
.sec--paper2{background:var(--paper-3)}
.sec-head{border-top:1px solid var(--line-strong);padding-top:22px}
.sec-head__idx{color:var(--em);font-weight:700}
.sec-head h2{font-size:clamp(28px,3.2vw,44px);letter-spacing:-.04em;font-weight:700}
.sec-head__link{text-transform:uppercase;letter-spacing:.1em;font-size:10.5px;font-weight:700;
  border-bottom:2px solid var(--em);color:var(--ink)}

/* --- карточки серий: с жирной верхней линейкой и номером --- */
.cat{background:#fff;border:1px solid var(--line);border-top:3px solid var(--ink);min-height:150px}
.cat:hover{background:var(--paper-3);border-top-color:var(--em)}
.cat__n{color:var(--em);font-weight:700}
.cat h3{font-size:18px;font-weight:700;letter-spacing:-.02em}
.cat__cnt{text-transform:uppercase;letter-spacing:.1em;color:var(--ink-4)}
.sol{background:var(--line);border-color:var(--line)}
.sol__i{background:#fff}
.sol__i:hover{background:var(--paper-3)}
.sol__n{color:var(--em);font-weight:700}
.sol__i h3{font-weight:700}
.sol__arrow{color:var(--ink)}

/* --- карточки товаров --- */
.pc{background:#fff;border:1px solid var(--line);border-top:3px solid var(--ink)}
.pc:hover{border-color:var(--ink);border-top-color:var(--em);transform:none}
.pc__img{background:#fff;border-bottom:1px solid var(--line)}
.pc h3{font-weight:700;letter-spacing:-.02em;font-size:15px}
.pc h3 a:hover{color:var(--em)}
.pc__spec{text-transform:uppercase;letter-spacing:.06em;font-size:9.5px}
.pc__price{text-transform:uppercase;letter-spacing:.06em;font-size:12px;font-weight:700}
.pc__go{background:var(--ink);border-color:var(--ink);color:#fff}
.pc:hover .pc__go{background:var(--em);border-color:var(--em)}
.pc__brand{background:var(--ink);color:#fff;border:0;letter-spacing:.1em}

/* --- таблицы --- */
.compare-wrap{border:1px solid var(--ink)}
.compare th,.compare td{border-color:var(--line)}
.compare thead th{background:var(--ink);color:#fff;letter-spacing:.12em}
.compare tbody th{background:#fff;color:var(--ink-4);text-transform:uppercase;letter-spacing:.08em;font-size:9.5px}
.compare td{color:var(--ink)}
.compare td a{border-bottom:1px solid var(--line-strong)}
.compare td a:hover{color:var(--em);border-color:var(--em)}
.spec-table th{color:var(--ink-4);text-transform:uppercase;letter-spacing:.07em;font-size:11px}

/* --- калькулятор --- */
.calcbox{border:1px solid var(--ink);background:var(--line)}
.calcbox__in{background:#fff}
.calcbox__out{background:var(--em)}
.calcbox__out b{color:#fff}
.calcbox__out .lbl,.calcbox__out em{color:rgba(255,255,255,.75)}
.cf input,.cf select{border-color:var(--ink);border-radius:0}
.cf label{text-transform:uppercase;letter-spacing:.08em;font-size:10px;font-weight:600}

/* --- статьи --- */
.art{background:#fff;border:1px solid var(--line);border-top:3px solid var(--ink)}
.art:hover{border-top-color:var(--em);border-color:var(--ink)}
.art__cover--g{background:var(--paper-3)}
.art__tag{text-transform:uppercase;letter-spacing:.1em;font-size:9.5px;color:var(--em)}
.art__b h3{font-weight:700;letter-spacing:-.02em}

/* --- FAQ --- */
.faq{border-top:2px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{font-weight:600;font-size:17px}
.faq summary i{border:1px solid var(--ink);color:var(--ink)}
.faq details[open] summary{color:var(--em)}

/* --- CTA --- */
.cta-band{background:var(--em);color:#fff}
.cta-band h2{color:#fff;letter-spacing:-.04em}
.cta-band p{color:rgba(255,255,255,.82)}
.cta-band .btn--pri{background:#fff;border-color:#fff;color:var(--ink)}
.cta-band .btn--pri:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.cta-band .btn--ghost{border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn--ghost:hover{background:#fff;color:var(--em)}
.form--light input,.form--light textarea{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.45);color:#fff}
.form--light input::placeholder,.form--light textarea::placeholder{color:rgba(255,255,255,.7)}
.form--light .form__note{color:rgba(255,255,255,.75)}
.form--light .form__note a{color:#fff}

/* --- подвал --- */
.ftr{background:var(--ink);color:#fff}
.ftr__brand{color:#fff;text-transform:uppercase;letter-spacing:-.02em}
.ftr h4{color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:.12em}
.ftr p,.ftr li,.ftr a{color:rgba(255,255,255,.72)}
.ftr a:hover{color:#fff}
.ftr__phone{color:#fff !important}
.ftr__bot{border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.55)}

/* --- прочее --- */
.crumbs,.crumbs a{color:var(--ink-4);text-transform:uppercase;letter-spacing:.08em;font-size:10px}
.chip{border-color:var(--line-strong);text-transform:uppercase;letter-spacing:.08em}
.chip--brand{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip--stock{background:var(--em-soft);color:var(--em-d);border:1px solid var(--em-soft)}
.facts b{color:var(--em)}
.buy{border:1px solid var(--ink);background:#fff}
.note--paper{background:var(--paper-3);border-left:3px solid var(--em)}
.topbar__ph{color:var(--em);font-weight:700}
.mnav{background:#fff}
.mnav__top,.mnav__foot{background:#fff;border-color:var(--line-strong)}
.mnav__in a{color:var(--ink);text-transform:uppercase;letter-spacing:.05em;font-size:14px;font-weight:600}


/* --- мобильные правки: верхняя панель и список серий --- */
@media (max-width:760px){
  .topbar__l{display:flex !important;gap:12px}
  .topbar__l span{display:none}
  .topbar__ph{display:inline-block !important;text-transform:none !important}
  .topbar__r a{display:none}
  .topbar__in{justify-content:flex-start !important}
  .serie-list a{display:grid;grid-template-columns:26px 1fr;grid-template-rows:auto auto auto;
    gap:6px 14px;padding:18px}
  .serie-list .n{grid-area:1/1}
  .serie-list a > div{grid-area:1/2/3/3}
  .serie-list a .c{grid-area:3/2;justify-self:start}
  .serie-list h3{font-size:16px}
}

.hero h1{margin-bottom:26px}
.hero__kick{margin-bottom:30px}