/* ==========================================================================
   Поручни для доступной среды — НСТ
   Дизайн-система: светлая, строгая, «воздух без пустот».
   Фирменные цвета взяты с nst-comp.ru (#3c4b5c / #243548 / #597a9b).
   ========================================================================== */

/* --- Шрифты --------------------------------------------------------------- */
@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;
  src:url(../fonts/inter-400-cyrillic.woff2) format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;
  src:url(../fonts/inter-400-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;
  src:url(../fonts/inter-500-cyrillic.woff2) format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;
  src:url(../fonts/inter-500-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;
  src:url(../fonts/inter-600-cyrillic.woff2) format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;
  src:url(../fonts/inter-600-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;
  src:url(../fonts/inter-700-cyrillic.woff2) format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;
  src:url(../fonts/inter-700-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* --- Токены --------------------------------------------------------------- */
:root{
  --primary:#3c4b5c;
  --secondary:#243548;
  --accent:#597a9b;
  --ink:#16202b;
  --body:#3d4956;
  --muted:#5d6b7a;
  --line:#e3e8ee;
  --line-2:#d5dce4;
  --bg:#ffffff;
  --bg-soft:#f6f8fa;
  --bg-tint:#eef2f6;
  --alert:#910202;
  --steel:linear-gradient(120deg,#e8edf2 0%,#f8fafc 42%,#dde5ec 62%,#f3f6f9 100%);
  --radius:18px;
  --radius-s:12px;
  --shadow-s:0 1px 2px rgba(22,32,43,.05),0 6px 18px -12px rgba(22,32,43,.18);
  --shadow-m:0 2px 4px rgba(22,32,43,.04),0 22px 40px -28px rgba(22,32,43,.35);
  --shadow-l:0 30px 70px -40px rgba(22,32,43,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --container:1180px;
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--body);
  font:400 16px/1.62 Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--ink)}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:600;letter-spacing:-.02em;line-height:1.14}
h1{font-size:clamp(2rem,1.3rem + 2.6vw,3.35rem)}
h2{font-size:clamp(1.5rem,1.1rem + 1.4vw,2.15rem)}
h3{font-size:clamp(1.1rem,.98rem + .5vw,1.32rem)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin:.35em 0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
::selection{background:#cfd9e4;color:var(--ink)}

/* --- Сетка ---------------------------------------------------------------- */
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(16px,4vw,28px)}
.wrap-wide{max-width:1340px}
.section{padding:clamp(56px,7vw,104px) 0}
.section--soft{background:var(--bg-soft)}
.section--tint{background:var(--bg-tint)}
.section--tight{padding-top:clamp(36px,4vw,60px)}
.grid{display:grid;gap:clamp(16px,2vw,26px)}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;gap:clamp(24px,4vw,56px);grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center}
.split--rev>*:first-child{order:2}
@media (max-width:1000px){
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr}
  .split--rev>*:first-child{order:0}
}
@media (max-width:640px){
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
}

/* --- Типографика блоков --------------------------------------------------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--accent)}
.lead{font-size:clamp(1.05rem,1rem + .35vw,1.28rem);color:var(--body);max-width:62ch}
.section-head{max-width:70ch;margin-bottom:clamp(24px,3vw,44px)}
.section-head h2{margin-bottom:14px}
.sec-foot{margin-top:clamp(22px,3vw,36px);display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center}
.muted{color:var(--muted)}
.small{font-size:.88rem}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:'tnum' 1}

/* --- Кнопки --------------------------------------------------------------- */
.btn{
  white-space:nowrap;
  --btn-bg:var(--primary);--btn-fg:#fff;--btn-bd:var(--primary);
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 24px;border:1px solid var(--btn-bd);border-radius:999px;background:var(--btn-bg);
  color:var(--btn-fg);font:500 .97rem/1 Inter,sans-serif;cursor:pointer;overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn::after{
  content:'';position:absolute;inset:0;background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.28) 46%,transparent 62%);
  transform:translateX(-120%);transition:transform .7s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px -16px rgba(36,53,72,.55);color:var(--btn-fg)}
.btn:hover::after{transform:translateX(120%)}
.btn:active{transform:translateY(0)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--primary);--btn-bd:var(--line-2)}
.btn--ghost:hover{--btn-bg:#fff;--btn-bd:var(--primary);box-shadow:0 12px 26px -18px rgba(36,53,72,.4)}
.btn--light{--btn-bg:#fff;--btn-fg:var(--secondary);--btn-bd:#fff}
.btn--sm{padding:10px 18px;font-size:.9rem}
.btn--block{width:100%}
.btn-icon{width:1.1em;height:1.1em;flex:none}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--primary)}
.link-more svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.link-more:hover svg{transform:translateX(4px)}

/* --- Хедер ---------------------------------------------------------------- */
.header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;transition:border-color .3s var(--ease),transform .4s var(--ease),background .3s var(--ease);
}
.header.is-scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.94)}
.header.is-hidden{transform:translateY(-102%)}
.header__inner{display:flex;align-items:center;gap:clamp(12px,2vw,28px);height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;color:var(--ink);flex:none}
.logo__mark{
  width:38px;height:38px;border-radius:11px;background:var(--secondary);position:relative;flex:none;overflow:hidden;
}
.logo__mark::before{content:'';position:absolute;left:7px;right:7px;top:16px;height:6px;border-radius:3px;background:#fff}
.logo__mark::after{content:'';position:absolute;left:11px;width:5px;top:19px;bottom:8px;border-radius:3px;background:#fff;
  box-shadow:16px 0 0 #fff}
.logo__text{display:flex;flex-direction:column;line-height:1.1}
.logo__text b{font-weight:600;font-size:1.02rem;color:var(--ink);letter-spacing:-.01em}
.logo__text span{font-size:.7rem;color:var(--muted);letter-spacing:.04em}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav__link{
  position:relative;padding:9px 12px;border-radius:10px;font-size:.94rem;font-weight:500;color:var(--body);white-space:nowrap;
}
.nav__link::after{
  content:'';position:absolute;left:12px;right:12px;bottom:5px;height:1.5px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav__link:hover{color:var(--ink)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--ink)}
.header__side{display:flex;align-items:center;gap:14px;flex:none}
.header__phone{font-weight:500;color:var(--ink);font-size:.95rem;white-space:nowrap}
.header__burger{
  display:none;width:44px;height:44px;border:1px solid var(--line-2);border-radius:12px;background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;
}
.header__burger i{display:block;width:17px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease),opacity .2s}
body.menu-open .header__burger i:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
body.menu-open .header__burger i:nth-child(2){opacity:0}
body.menu-open .header__burger i:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}
@media (max-width:1280px){
  .nav__link{padding:9px 9px;font-size:.9rem}
  .header__side .btn{display:none}
}
@media (max-width:1150px){
  .nav{display:none}
  .header__burger{display:inline-flex}
  .header__phone{display:none}
}
.drawer{
  position:fixed;inset:var(--header-h) 0 0;z-index:55;background:#fff;padding:22px clamp(16px,5vw,28px) 40px;
  overflow-y:auto;transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .3s var(--ease),transform .35s var(--ease);
}
body.menu-open .drawer{opacity:1;transform:none;pointer-events:auto}
.drawer__group{padding:14px 0;border-bottom:1px solid var(--line)}
.drawer__group b{display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.drawer a{display:block;padding:6px 0;color:var(--body);font-size:1rem}
.drawer__cta{margin-top:22px;display:grid;gap:10px}

/* --- Hero ----------------------------------------------------------------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%)}
.hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(60% 50% at 78% 12%,rgba(89,122,155,.18),transparent 70%),
    radial-gradient(40% 40% at 6% 88%,rgba(60,75,92,.1),transparent 70%);
}
.hero__grid{
  position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(70% 60% at 60% 30%,#000,transparent 75%);
}
.hero__inner{position:relative;padding:clamp(46px,6vw,86px) 0 clamp(40px,5vw,72px);display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(28px,4vw,60px);align-items:center}
.hero h1{margin-bottom:20px}
.hero h1 .hl{position:relative;white-space:nowrap}
.hero h1 .hl::after{
  content:'';position:absolute;left:0;right:0;bottom:.06em;height:.34em;background:rgba(89,122,155,.22);border-radius:4px;
  z-index:-1;transform:scaleX(0);transform-origin:left;animation:hl 1s .5s var(--ease-out) forwards
}
@keyframes hl{to{transform:scaleX(1)}}
.hero__lead{margin-bottom:26px;max-width:52ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.9rem;color:var(--muted)}
.hero__meta span{display:inline-flex;align-items:center;gap:8px}
.hero__meta svg{width:17px;height:17px;color:var(--accent);flex:none}
.hero__visual{position:relative;min-height:340px}
.hero__card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:26px;padding:clamp(16px,2vw,24px);
  box-shadow:var(--shadow-m);overflow:hidden;
}
.hero__card::before{content:'';position:absolute;inset:0;background:var(--steel);opacity:.7}
.hero__card img{position:relative;width:100%;aspect-ratio:1/1;object-fit:contain;mix-blend-mode:multiply;
  animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.hero__badge{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 14px;box-shadow:var(--shadow-s);
  font-size:.82rem;color:var(--ink);display:flex;align-items:center;gap:9px;
}
.hero__badge b{font-weight:600;font-variant-numeric:tabular-nums}
.hero__badge--1{top:8%;left:-6%;animation:float 9s ease-in-out infinite}
.hero__badge--2{bottom:14%;right:-4%;animation:float 8s .8s ease-in-out infinite}
.hero__badge i{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
@media (max-width:1000px){
  .hero__inner{grid-template-columns:1fr;padding-top:34px}
  .hero__visual{min-height:0;order:-1;max-width:460px}
  .hero__badge--1{left:auto;right:4%;top:4%}
  .hero__badge--2{bottom:6%;right:6%}
}

/* --- Бегущая строка ------------------------------------------------------- */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;overflow:hidden;
  padding:14px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.ticker__track{display:flex;gap:44px;width:max-content;animation:marquee 38s linear infinite}
.ticker:hover .ticker__track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.ticker__item{display:inline-flex;align-items:center;gap:10px;font-size:.9rem;color:var(--muted);white-space:nowrap}
.ticker__item b{color:var(--ink);font-weight:500}
.ticker__item::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--line-2)}

/* --- Цифры ---------------------------------------------------------------- */
.facts{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.facts__item{background:#fff;padding:clamp(20px,2.4vw,30px)}
.facts__num{font-size:clamp(1.6rem,1.2rem + 1.6vw,2.4rem);font-weight:600;color:var(--ink);letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;line-height:1}
.facts__label{font-weight:500;color:var(--ink);margin-top:10px}
.facts__desc{font-size:.88rem;color:var(--muted);margin-top:4px}

/* --- Карточки ------------------------------------------------------------- */
.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--line-2)}
.card__pad{padding:clamp(18px,2vw,24px)}
.card__icon{
  width:44px;height:44px;border-radius:13px;background:var(--bg-tint);display:grid;place-items:center;color:var(--primary);margin-bottom:16px;
}
.card__icon svg{width:22px;height:22px}
.card h3{margin-bottom:8px}
.tile{
  display:flex;flex-direction:column;gap:10px;padding:clamp(18px,2vw,26px);border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;position:relative;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s
}
.tile::before{
  content:'';position:absolute;inset:auto -30% -60% auto;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(89,122,155,.16),transparent 65%);opacity:0;transition:opacity .4s var(--ease)
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--line-2)}
.tile:hover::before{opacity:1}
.tile b{color:var(--ink);font-weight:600;font-size:1.05rem;letter-spacing:-.01em}
.tile p{font-size:.93rem;color:var(--body);margin:0}
.tile__go{margin-top:auto;padding-top:12px;font-size:.88rem;color:var(--accent);display:inline-flex;align-items:center;gap:7px}

/* --- Сетка товаров -------------------------------------------------------- */
.products{display:grid;gap:clamp(14px,1.6vw,22px);grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1100px){.products{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:820px){.products{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.products{grid-template-columns:1fr}}
.products--wide{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.products--wide{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.products--wide{grid-template-columns:1fr}}

.product-card{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s;
}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);border-color:var(--line-2)}
.product-card__media{position:relative;aspect-ratio:1/1;background:var(--steel);overflow:hidden}
.product-card__media::after{
  content:'';position:absolute;inset:0;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.55) 48%,transparent 60%);
  transform:translateX(-130%);transition:transform .9s var(--ease);
}
.product-card:hover .product-card__media::after{transform:translateX(130%)}
.product-card__media img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;
  transition:transform .6s var(--ease);transform:scale(1)}
.product-card:hover .product-card__media img{transform:scale(1.06)}
.product-card__body{padding:16px clamp(14px,1.4vw,18px) 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.product-card__name{font-size:.99rem;font-weight:500;color:var(--ink);line-height:1.34;letter-spacing:-.01em}
.product-card__name a{color:inherit}
.product-card__sku{font-size:.76rem;color:var(--muted);letter-spacing:.02em}
.product-card__specs{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  font-size:.75rem;padding:4px 9px;border-radius:999px;background:var(--bg-tint);color:var(--primary);
  border:1px solid transparent;white-space:nowrap
}
.product-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:8px}
.price{font-size:1.16rem;font-weight:600;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums;white-space:nowrap}
.price small{font-size:.78rem;color:var(--muted);font-weight:400}
.badge{
  position:absolute;top:12px;left:12px;z-index:2;font-size:.72rem;font-weight:500;letter-spacing:.02em;
  padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.92);border:1px solid var(--line);color:var(--primary)
}
.badge--accent{background:var(--secondary);color:#fff;border-color:var(--secondary)}
.empty{
  grid-column:1/-1;border:1px dashed var(--line-2);border-radius:var(--radius);padding:44px 24px;text-align:center;color:var(--muted)
}

/* --- Каталог: фильтры ----------------------------------------------------- */
.catalog{display:grid;grid-template-columns:288px minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:start}
@media (max-width:940px){.catalog{grid-template-columns:1fr}}
.filters{
  position:sticky;top:calc(var(--header-h) + 16px);background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;display:grid;gap:18px
}
@media (max-width:940px){.filters{position:static;display:none}
  .filters.is-open{display:grid}}
.filters__head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.filters__head b{font-size:1.02rem;color:var(--ink)}
.filters__reset{background:none;border:0;color:var(--accent);font-size:.85rem;cursor:pointer;padding:0}
.fgroup{border-top:1px solid var(--line);padding-top:16px}
.fgroup:first-of-type{border-top:0;padding-top:0}
.fgroup>b{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.fopt{display:flex;align-items:center;gap:10px;padding:5px 0;cursor:pointer;font-size:.93rem;color:var(--body);
  transition:color .2s var(--ease)}
.fopt:hover{color:var(--ink)}
.fopt input{position:absolute;opacity:0;pointer-events:none}
.fopt__box{
  width:18px;height:18px;border:1.5px solid var(--line-2);border-radius:6px;flex:none;position:relative;
  transition:border-color .2s var(--ease),background .2s var(--ease)
}
.fopt__box::after{content:'';position:absolute;left:5px;top:1.5px;width:5px;height:9px;border:2px solid #fff;border-top:0;border-left:0;
  transform:rotate(45deg) scale(.4);opacity:0;transition:transform .25s var(--ease-out),opacity .2s}
.fopt input:checked+.fopt__box{background:var(--primary);border-color:var(--primary)}
.fopt input:checked+.fopt__box::after{opacity:1;transform:rotate(45deg) scale(1)}
.fopt input:focus-visible+.fopt__box{outline:2px solid var(--accent);outline-offset:2px}
.fopt__n{margin-left:auto;font-size:.8rem;color:var(--muted);font-variant-numeric:tabular-nums}
.range{display:grid;gap:12px}
.range__vals{display:flex;justify-content:space-between;font-size:.88rem;color:var(--ink);font-variant-numeric:tabular-nums}
.range input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:22px;background:transparent;margin:0}
.range input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:var(--line-2)}
.range input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;
  border:2px solid var(--primary);margin-top:-7px;cursor:pointer;box-shadow:var(--shadow-s)}
.range input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:var(--line-2)}
.range input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#fff;border:2px solid var(--primary);cursor:pointer}
.switch{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 0;cursor:pointer;font-size:.93rem}
.switch input{position:absolute;opacity:0;pointer-events:none}
.switch__ui{width:40px;height:22px;border-radius:999px;background:var(--line-2);position:relative;flex:none;transition:background .25s var(--ease)}
.switch__ui::after{content:'';position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;
  transition:transform .25s var(--ease-out);box-shadow:0 1px 3px rgba(0,0,0,.25)}
.switch input:checked+.switch__ui{background:var(--primary)}
.switch input:checked+.switch__ui::after{transform:translateX(18px)}
.catalog__bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;margin-bottom:18px;min-width:0}
.catalog__count{font-size:.92rem;color:var(--muted)}
.catalog__count b{color:var(--ink)}
.catalog__tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-width:0}
.catalog__tools .select{max-width:100%}
.catalog__bar>.catalog__count{min-width:0}
.select{
  appearance:none;border:1px solid var(--line-2);border-radius:10px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236d7b8a' stroke-width='1.6' fill='none'/%3E%3C/svg%3E") no-repeat right 12px center;
  padding:10px 34px 10px 14px;font:400 .92rem Inter,sans-serif;color:var(--ink);cursor:pointer
}
.filters-toggle{display:none}
@media (max-width:940px){.filters-toggle{display:inline-flex}}
.active-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.active-chips button{
  border:1px solid var(--line-2);background:#fff;border-radius:999px;padding:6px 12px;font:400 .84rem Inter,sans-serif;
  color:var(--body);cursor:pointer;display:inline-flex;align-items:center;gap:7px
}
.active-chips button:hover{border-color:var(--primary);color:var(--ink)}

/* --- Карточка товара ------------------------------------------------------ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.86rem;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--ink)}
.crumbs span{opacity:.5}
.product{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,4vw,56px);align-items:start;
  padding:clamp(24px,3vw,40px) 0 clamp(40px,5vw,64px)}
@media (max-width:940px){.product{grid-template-columns:1fr}}
.gallery{display:grid;gap:12px}
.gallery__main{
  position:relative;aspect-ratio:1/1;background:var(--steel);border:1px solid var(--line);border-radius:22px;overflow:hidden;cursor:zoom-in
}
.gallery__main img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .5s var(--ease)}
.gallery__main.is-zoom img{transform:scale(1.9)}
.gallery__thumbs{display:flex;gap:10px;flex-wrap:wrap}
.gallery__thumbs button{
  width:76px;height:76px;border:1px solid var(--line);border-radius:14px;background:var(--steel);padding:6px;cursor:pointer;
  transition:border-color .25s var(--ease),transform .25s var(--ease)
}
.gallery__thumbs button:hover{transform:translateY(-2px)}
.gallery__thumbs button.is-active{border-color:var(--primary);box-shadow:0 0 0 3px rgba(89,122,155,.18)}
.gallery__thumbs img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.buy{
  position:sticky;top:calc(var(--header-h) + 18px);display:grid;gap:18px
}
@media (max-width:940px){.buy{position:static}}
.buy__price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.buy__price .price{font-size:1.9rem}
.buy__note{font-size:.9rem;color:var(--muted)}
.buy__actions{display:grid;gap:10px}
.buy__list{display:grid;gap:9px;font-size:.94rem;border-top:1px solid var(--line);padding-top:16px}
.buy__list div{display:flex;gap:10px;align-items:flex-start;color:var(--body)}
.buy__list svg{width:17px;height:17px;color:var(--accent);flex:none;margin-top:3px}
.specs{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.specs__row{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1fr);gap:12px;padding:12px 16px;font-size:.94rem}
.specs__row:nth-child(odd){background:var(--bg-soft)}
.specs__row dt{color:var(--muted);margin:0}
.specs__row dd{margin:0;color:var(--ink)}
@media (max-width:520px){.specs__row{grid-template-columns:1fr;gap:2px}}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:22px;overflow-x:auto}
.tabs button{
  position:relative;border:0;background:none;padding:12px 2px;margin-right:22px;font:500 .96rem Inter,sans-serif;color:var(--muted);
  cursor:pointer;white-space:nowrap
}
.tabs button::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--primary);transform:scaleX(0);
  transition:transform .3s var(--ease)}
.tabs button.is-active{color:var(--ink)}
.tabs button.is-active::after{transform:scaleX(1)}
.tabpanel{display:none}
.tabpanel.is-active{display:block;animation:fade .45s var(--ease-out)}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* --- Аккордеон / FAQ ------------------------------------------------------ */
.acc{border-top:1px solid var(--line)}
.acc__item{border-bottom:1px solid var(--line)}
.acc__q{
  width:100%;text-align:left;background:none;border:0;padding:18px 44px 18px 0;font:500 1.02rem/1.4 Inter,sans-serif;
  color:var(--ink);cursor:pointer;position:relative
}
.acc__q::after{
  content:'';position:absolute;right:8px;top:50%;width:11px;height:11px;border-right:1.6px solid var(--muted);
  border-bottom:1.6px solid var(--muted);transform:translateY(-70%) rotate(45deg);transition:transform .3s var(--ease)
}
.acc__item.is-open .acc__q::after{transform:translateY(-30%) rotate(225deg)}
.acc__a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s var(--ease)}
.acc__item.is-open .acc__a{grid-template-rows:1fr}
.acc__a>div{overflow:hidden}
.acc__a p,.acc__a ul{padding:0 44px 18px 0;margin:0}
.acc__a ul{margin-top:6px}

/* --- Формы ---------------------------------------------------------------- */
.form{display:grid;gap:14px}
.field{position:relative}
.field input,.field textarea,.field select{
  width:100%;padding:20px 16px 8px;border:1px solid var(--line-2);border-radius:12px;background:#fff;
  font:400 1rem Inter,sans-serif;color:var(--ink);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)
}
.field textarea{min-height:112px;resize:vertical;padding-top:24px}
.field label{
  position:absolute;left:17px;top:15px;font-size:.97rem;color:var(--muted);pointer-events:none;
  transition:transform .22s var(--ease),font-size .22s var(--ease),color .2s var(--ease);transform-origin:left top
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(89,122,155,.14)}
.field input:focus+label,.field textarea:focus+label,
.field input:not(:placeholder-shown)+label,.field textarea:not(:placeholder-shown)+label,
.field select+label{transform:translateY(-8px) scale(.78);color:var(--accent)}
.field.has-error input,.field.has-error textarea{border-color:var(--alert);box-shadow:0 0 0 4px rgba(145,2,2,.08)}
.field__err{display:none;font-size:.82rem;color:var(--alert);margin-top:5px}
.field.has-error .field__err{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--muted)}
.consent input{margin-top:3px;width:17px;height:17px;accent-color:var(--primary);flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__status{margin-top:6px;font-size:.9rem;display:none}
.form__status.is-ok{display:block;color:#1e6b45}
.form__status.is-err{display:block;color:var(--alert)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,2.6vw,32px);box-shadow:var(--shadow-s)}

/* --- Квиз подбора --------------------------------------------------------- */
.quiz{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-m)}
.quiz__bar{height:4px;background:var(--bg-tint)}
.quiz__bar i{display:block;height:100%;width:25%;background:var(--primary);transition:width .45s var(--ease-out)}
.quiz__inner{padding:clamp(20px,3vw,34px)}
.quiz__step{display:none}
.quiz__step.is-active{display:block;animation:fade .4s var(--ease-out)}
.quiz__q{font-size:clamp(1.1rem,1rem + .5vw,1.36rem);font-weight:600;color:var(--ink);margin-bottom:18px;letter-spacing:-.01em}
.quiz__opts{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.quiz__opt{
  text-align:left;border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px 16px;cursor:pointer;
  font:400 .96rem/1.4 Inter,sans-serif;color:var(--body);transition:border-color .2s,transform .2s var(--ease),box-shadow .2s var(--ease)
}
.quiz__opt:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.quiz__opt b{display:block;color:var(--ink);font-weight:500;margin-bottom:2px}
.quiz__nav{margin-top:16px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:.88rem;color:var(--muted)}
.quiz__link{background:none;border:0;color:var(--primary);cursor:pointer;font:400 .88rem Inter,sans-serif;padding:0}
.quiz__result{display:none}
.quiz__result.is-active{display:block;animation:fade .4s var(--ease-out)}

/* --- Полоса норм ---------------------------------------------------------- */
.norms{display:grid;gap:1px;background:var(--line);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:820px){.norms{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.norms{grid-template-columns:1fr}}
.norms__item{background:#fff;padding:clamp(16px,2vw,24px)}
.norms__v{font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;font-size:1.12rem;letter-spacing:-.01em}
.norms__t{font-size:.88rem;color:var(--muted);margin-top:6px}

/* --- Шаги монтажа --------------------------------------------------------- */
.steps{counter-reset:s;display:grid;gap:clamp(14px,1.8vw,22px);list-style:none;padding:0;margin:0}
.steps>li{margin:0}
.step__label{color:var(--muted);font-weight:500}
.step{display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;padding:clamp(18px,2.2vw,26px);border:1px solid var(--line);
  border-radius:var(--radius);background:#fff;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.step::before{
  counter-increment:s;content:counter(s);width:56px;height:56px;border-radius:16px;background:var(--bg-tint);color:var(--primary);
  display:grid;place-items:center;font-weight:600;font-size:1.15rem
}
.step__tools{font-size:.86rem;color:var(--muted);margin-top:10px;padding-left:14px;border-left:2px solid var(--line-2)}
@media (max-width:560px){.step{grid-template-columns:1fr;gap:12px}}

/* --- CTA-полоса ----------------------------------------------------------- */
.cta{
  position:relative;overflow:hidden;border-radius:26px;background:linear-gradient(135deg,var(--secondary) 0%,#33465c 55%,var(--primary) 100%);
  color:#eaf0f6;padding:clamp(26px,4vw,54px)
}
.cta::before{
  content:'';position:absolute;inset:-40% -10% auto auto;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(137,167,197,.35),transparent 62%)
}
.cta::after{
  content:'';position:absolute;inset:0;opacity:.16;
  background-image:repeating-linear-gradient(115deg,transparent 0 26px,rgba(255,255,255,.4) 26px 27px)
}
.cta>*{position:relative}
.cta h2{color:#fff}
.cta p{color:#cfd9e4;max-width:56ch}
.cta__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:clamp(22px,3vw,44px);align-items:start}
@media (max-width:900px){.cta__grid{grid-template-columns:1fr}}
.cta .form-card{border-color:rgba(255,255,255,.18);box-shadow:0 30px 60px -40px rgba(0,0,0,.6)}

/* --- Футер ---------------------------------------------------------------- */
.footer{background:#fff;border-top:1px solid var(--line);padding:clamp(36px,5vw,64px) 0 28px;margin-top:clamp(40px,5vw,72px)}
.footer__grid{display:grid;grid-template-columns:minmax(0,1.2fr) repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
@media (max-width:900px){.footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.footer__grid{grid-template-columns:1fr}}
.footer h4{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-weight:600}
.footer a{display:block;padding:5px 0;color:var(--body);font-size:.94rem}
.footer a:hover{color:var(--ink)}
.footer__bottom{margin-top:clamp(24px,3vw,40px);padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;
  gap:12px 26px;justify-content:space-between;font-size:.84rem;color:var(--muted)}
.footer__contacts{display:grid;gap:8px;font-size:.95rem}
.footer__contacts a{padding:0;color:var(--ink);font-weight:500}

/* --- Анимации появления --------------------------------------------------- */
[data-reveal]{opacity:0;transform:translateY(22px);filter:blur(6px);
  transition:opacity .8s var(--ease-out),transform .8s var(--ease-out),filter .8s var(--ease-out);
  transition-delay:var(--d,0ms)}
[data-reveal].is-in{opacity:1;transform:none;filter:none}
@media (scripting:none){[data-reveal]{opacity:1;transform:none;filter:none}}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;filter:none;transition:none}
  .ticker__track{animation:none}
  .hero__card img,.hero__badge{animation:none}
}

/* --- Прогресс и «наверх» -------------------------------------------------- */
.progress{position:fixed;top:0;left:0;height:2px;background:var(--primary);width:0;z-index:70;transition:width .12s linear}
.totop{
  position:fixed;right:clamp(14px,3vw,26px);bottom:clamp(14px,3vw,26px);width:52px;height:52px;border-radius:50%;
  background:#fff;border:1px solid var(--line-2);box-shadow:var(--shadow-m);display:grid;place-items:center;cursor:pointer;
  opacity:0;transform:translateY(14px) scale(.9);pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease);z-index:64
}
.totop.is-on{opacity:1;transform:none;pointer-events:auto}
.totop svg{width:22px;height:22px;color:var(--primary)}
.totop .ring{position:absolute;inset:-1px;transform:rotate(-90deg)}
.totop .ring circle{fill:none;stroke:var(--accent);stroke-width:2;stroke-dasharray:157;stroke-dashoffset:157}

/* --- Сообщения / утилиты -------------------------------------------------- */
.note{border-left:2px solid var(--accent);padding:2px 0 2px 16px;color:var(--body);font-size:.95rem}
.note--warn{border-color:var(--alert)}
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.kv__row{background:#fff;padding:16px 18px;font-size:.94rem}
.kv__row b{display:block;color:var(--muted);font-weight:400;font-size:.82rem;margin-bottom:4px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:12px 18px;z-index:100;border-radius:0 0 12px 0}
.skip:focus{left:0}
.notfound{text-align:center;padding:clamp(60px,10vw,140px) 0}
.notfound .code{font-size:clamp(4rem,12vw,9rem);font-weight:700;color:var(--bg-tint);letter-spacing:-.05em;line-height:1}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:32px}
.pagination a,.pagination span{min-width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:10px;font-size:.92rem;color:var(--body)}
.pagination .is-current{background:var(--primary);border-color:var(--primary);color:#fff}

/* поиск в каталоге — не селект */
.input-search{
  appearance:none;border:1px solid var(--line-2);border-radius:10px;background:#fff;padding:10px 14px;
  font:400 .92rem Inter,sans-serif;color:var(--ink);min-width:200px;max-width:100%
}
.input-search::placeholder{color:var(--muted)}
.input-search:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(89,122,155,.14)}
@media (max-width:520px){.input-search{min-width:0;width:100%}}