/* Каталог FEFCO — дизайн-система. Современная «редакционная» подача в фирменном петроле FEFCO.
   Петроль #0087A5 — основной, лайм — выделение, красный — точки и линии биговки. */
:root{
  --c-paper:#f6f5f0; --c-paper-2:#eeede6; --c-surface:#fffdf8;
  --c-brand:#0087a5; --c-brand-d:#006e87; --c-brand-dd:#0b3a45; --c-brand-l:#e2f0f2; --c-brand-ll:#f0f6f5;
  --c-lime:#c8ee72; --c-red:#e7000e;
  --c-ink:#10252c; --c-ink-2:#3f555c; --c-muted:#6b7c80; --c-line:#dcdcd2; --c-line-2:#cbcbc0;
  --r:14px; --r-lg:20px; --sh:0 1px 2px rgba(16,37,44,.05),0 12px 32px rgba(16,37,44,.08);
  --f:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --f-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --w:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;overflow-x:hidden;font:16px/1.6 var(--f);color:var(--c-ink);background:var(--c-paper);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--c-brand-d);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--c-brand-dd)}
h1,h2,h3,h4{line-height:1.1;margin:0 0 .5em;color:var(--c-ink)}
h1{font-size:clamp(32px,4.6vw,58px);font-weight:750;letter-spacing:-.035em;line-height:1.03;overflow-wrap:anywhere}
h2{font-size:clamp(25px,3vw,38px);font-weight:550;letter-spacing:-.025em;margin-top:1.4em}
h3{font-size:19px;font-weight:650;letter-spacing:-.01em;margin-top:1.3em}
p,ul,ol,table{margin:0 0 1em}
ul,ol{padding-left:1.3em}
li{margin-bottom:.3em}
.wrap{max-width:var(--w);margin:0 auto;padding-inline:24px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px}
.muted{color:var(--c-muted)}
.small{font-size:14px}
.mono{font-family:var(--f-mono)}
.hl{background:linear-gradient(transparent 64%,var(--c-lime) 64%,var(--c-lime) 92%,transparent 92%);padding-inline:.04em}

/* Кнопки — «таблетки» */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 24px;border-radius:999px;border:1.5px solid var(--c-brand);
  background:var(--c-brand);color:#fff;font:600 15px/1.2 var(--f);text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.btn::after{content:"→";font-weight:500;transition:transform .15s}
.btn:hover{background:var(--c-brand-d);border-color:var(--c-brand-d);color:#fff}
.btn:hover::after{transform:translateX(3px)}
.btn--ghost{background:transparent;color:var(--c-ink);border-color:var(--c-line-2)}
.btn--ghost:hover{background:var(--c-surface);border-color:var(--c-ink);color:var(--c-ink)}
.btn--white{background:#fff;border-color:#fff;color:var(--c-brand-dd)}
.btn--white:hover{background:var(--c-lime);border-color:var(--c-lime);color:var(--c-brand-dd)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--noarrow::after{display:none}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{outline:3px solid rgba(0,135,165,.4);outline-offset:2px}

/* Шапка */
.hdr{position:sticky;top:0;z-index:50;background:rgba(246,245,240,.9);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--c-line)}
.hdr__in{display:flex;align-items:center;gap:18px;height:70px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-ink);flex-shrink:0}
.logo__mark{width:40px;height:40px}
.logo__txt{display:flex;flex-direction:column;line-height:1}
.logo__txt small{font-size:10.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--c-brand)}
.logo__txt b{font-size:21px;font-weight:800;letter-spacing:-.03em;margin-top:2px}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{padding:8px 12px;border-radius:999px;text-decoration:none;color:var(--c-ink);font-weight:550;font-size:14.5px;white-space:nowrap}
.nav a:hover,.nav a.on{background:var(--c-surface);color:var(--c-ink)}
.hdr__cta{white-space:nowrap;background:transparent;color:var(--c-ink);border-color:var(--c-ink)}
.hdr__cta:hover{background:var(--c-ink);border-color:var(--c-ink);color:#fff}
.burger{display:none;width:44px;height:44px;border:1px solid var(--c-line-2);border-radius:999px;background:var(--c-surface);cursor:pointer;position:relative}
.burger span,.burger span::before,.burger span::after{position:absolute;left:12px;width:18px;height:2px;background:var(--c-ink);content:""}
.burger span{top:21px}.burger span::before{top:-6px;left:0}.burger span::after{top:6px;left:0}
@media (max-width:1080px){
  .burger{display:block;margin-left:auto}
  .hdr__cta{display:none}
  .nav{display:none;position:absolute;left:0;right:0;top:70px;flex-direction:column;background:var(--c-paper);padding:12px 20px 20px;border-bottom:1px solid var(--c-line);box-shadow:var(--sh)}
  .nav.open{display:flex}
  .nav a{padding:12px}
}

.crumbs{font-size:13px;color:var(--c-muted);padding-top:18px;display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--c-muted);text-decoration:none}.crumbs a:hover{color:var(--c-ink)}

/* Секции */
.sec{padding-block:72px}
.sec--tint{background:var(--c-paper-2)}
.sec--dark{background:var(--c-brand-dd);color:#cfe5e9}
.sec--dark h2,.sec--dark h3{color:#fff}
.sec--dark a:not(.btn){color:var(--c-lime)}
.sec__head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.sec__head h2{margin:0}
.sec__head a{font-weight:600;text-decoration:none;color:var(--c-ink)}
.sec__head a:hover{color:var(--c-brand-d)}
.lead{font-size:clamp(16px,1.5vw,18px);color:var(--c-ink-2);max-width:720px}
.page-head{padding-block:28px 8px}
.page-head .lead{margin-bottom:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:700 11.5px/1 var(--f);letter-spacing:.14em;text-transform:uppercase;color:var(--c-brand-d);margin-bottom:16px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-red)}
.sec--dark .eyebrow{color:var(--c-lime)}

/* Первый экран главной */
.hero{padding-block:36px 64px}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:start}
@media (max-width:980px){.hero__grid{grid-template-columns:minmax(0,1fr)}}
.hero h1{font-size:clamp(36px,5.4vw,68px);margin-top:4px}
.hero__lead{font-size:clamp(16px,1.6vw,19px);color:var(--c-ink-2);max-width:560px}
.trust{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:10px 22px}
.trust li{margin:0;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-ink)}
.trust li::before{content:"";width:18px;height:18px;border-radius:50%;background:var(--c-lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.2l2.6 2.6L13 6.4' fill='none' stroke='%230b3a45' stroke-width='2'/%3E%3C/svg%3E") center/18px no-repeat;flex-shrink:0}
.hero__art{margin-top:34px;display:flex;gap:14px;align-items:flex-end}
.hero__art img{width:180px;height:auto}

/* Три входа */
.entries{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
@media (max-width:860px){.entries{grid-template-columns:minmax(0,1fr)}}
.entry{padding:28px 28px 30px;border-left:1px solid var(--c-line)}
.entry:first-child{border-left:0;padding-left:0}
@media (max-width:860px){.entry{border-left:0;border-top:1px solid var(--c-line);padding-left:0}.entry:first-child{border-top:0}}
.entry__n{font:600 12px/1 var(--f-mono);color:var(--c-red);display:block;margin-bottom:14px}
.entry h3{margin:0 0 6px;font-size:21px;font-weight:650}
.entry p{color:var(--c-ink-2);font-size:15px;margin-bottom:14px}
.entry form{display:flex;gap:8px}
.entry input{flex:1;min-width:0;padding:11px 16px;border:1px solid var(--c-line-2);border-radius:999px;font:inherit;background:var(--c-surface)}
.entry .chips{margin:0}

/* Сетки и карточки */
.grid{display:grid;gap:18px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:980px){.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}
.card{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r);padding:22px;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--c-ink);color:inherit}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--c-ink-2);font-size:14.5px}
.card__num{font:600 12px/1 var(--f-mono);color:var(--c-red);margin-bottom:14px;display:block}
.card--icon{display:flex;gap:14px;align-items:flex-start}

/* Карточка кода FEFCO */
.codes{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.code{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r);text-decoration:none;color:inherit;overflow:hidden;transition:border-color .15s}
.code:hover{border-color:var(--c-ink);color:inherit}
.code__img{aspect-ratio:4/3;background:var(--c-brand-ll);display:flex;align-items:center;justify-content:center;padding:14px;border-bottom:1px solid var(--c-line);position:relative}
.code__img svg,.code__img img{width:100%;height:100%;object-fit:contain}
.code__body{padding:14px 16px 16px}
.code__no{display:block;font:700 13px/1.2 var(--f-mono);color:var(--c-brand-d);letter-spacing:.02em}
.code__name{display:block;font-size:15px;font-weight:600;color:var(--c-ink);margin-top:5px;line-height:1.3}
.code__tag{display:inline-block;margin-top:8px;font-size:12px;padding:2px 8px;border-radius:20px;background:var(--c-brand-l);color:var(--c-brand-dd)}

/* Серии */
.series{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.series a{display:flex;gap:14px;align-items:center;padding:16px;border:1px solid var(--c-line);border-radius:var(--r);background:var(--c-surface);text-decoration:none;color:inherit}
.series a:hover{border-color:var(--c-ink)}
.series b{font:700 20px/1 var(--f-mono);color:var(--c-brand-d);background:var(--c-brand-l);border-radius:10px;padding:12px 8px;min-width:68px;text-align:center}
.series span{font-size:15px;font-weight:600;line-height:1.3}
.series small{display:block;color:var(--c-muted);font-weight:400;font-size:13px;margin-top:2px}

/* Страница кода */
.codepage{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:36px;align-items:start}
@media (max-width:960px){.codepage{grid-template-columns:minmax(0,1fr)}}
.drawing{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden}
.drawing__tabs{display:flex;gap:4px;padding:6px;border-bottom:1px solid var(--c-line);background:var(--c-paper)}
.drawing__tabs button{flex:1;padding:9px 12px;border:0;border-radius:999px;background:none;font:600 14px var(--f);color:var(--c-ink-2);cursor:pointer}
.drawing__tabs button[aria-selected=true]{color:#fff;background:var(--c-ink)}
.drawing__pane{padding:22px;display:flex;justify-content:center;align-items:center;min-height:320px}
.drawing__pane[hidden]{display:none}
.drawing__pane svg,.drawing__pane img{width:100%;max-height:520px}
.drawing__legend{display:flex;flex-wrap:wrap;gap:16px;padding:12px 18px;border-top:1px solid var(--c-line);font-size:12.5px;color:var(--c-ink-2)}
.lg{display:inline-flex;align-items:center;gap:6px}
.lg i{display:inline-block;width:28px;height:0;border-top:2px solid var(--c-ink)}
.lg i.crease{border-top:2px dashed var(--c-red)}
.lg i.perf{border-top:2px dotted var(--c-ink)}
.lg i.glue{height:10px;border:0;background:repeating-linear-gradient(45deg,#d6e9ed 0 3px,#8fc5d2 3px 5px)}
.facts{border-top:1px solid var(--c-line);margin:0 0 20px}
.facts div{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--c-line);font-size:14.5px}
.facts dt{color:var(--c-muted)}.facts dd{margin:0;font-weight:600;text-align:right}
.aside-box{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r);padding:20px;margin-bottom:20px}
.aside-box h3{margin-top:0}
.pn{display:flex;justify-content:space-between;gap:12px;margin-top:28px;flex-wrap:wrap}
.pn a{padding:10px 18px;border:1px solid var(--c-line-2);border-radius:999px;text-decoration:none;font-weight:600;color:var(--c-ink)}
.pn a:hover{border-color:var(--c-ink)}

/* Контент */
.content{max-width:820px}
.content h2:first-child{margin-top:0}
.content h2{font-size:clamp(23px,2.4vw,30px)}
.cols{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:44px;align-items:start}
.cols>aside{position:sticky;top:90px}
@media (max-width:960px){.cols{grid-template-columns:minmax(0,1fr)}.cols>aside{position:static}}
.note{border-left:3px solid var(--c-brand);background:var(--c-surface);padding:14px 18px;border-radius:0 10px 10px 0;margin:0 0 1.2em}
.note--warn{border-left-color:var(--c-red)}
.tbl{overflow-x:auto;margin:0 0 1.2em;border:1px solid var(--c-line);border-radius:var(--r);background:var(--c-surface)}
.tbl table{border-collapse:collapse;width:100%;margin:0;font-size:14.5px}
.tbl th,.tbl td{padding:11px 14px;border-bottom:1px solid var(--c-line);text-align:left;vertical-align:top}
.tbl th{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--c-muted);white-space:nowrap;background:transparent}
.tbl tr:last-child td{border-bottom:0}
.tbl td.num,.tbl th.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 1em;padding:0;list-style:none}
.chips li{margin:0}
.chips a{display:inline-block;padding:7px 14px;border:1px solid var(--c-line-2);border-radius:999px;text-decoration:none;font-size:14px;background:var(--c-surface);color:var(--c-ink);font-variant-numeric:tabular-nums}
.chips a:hover{border-color:var(--c-ink)}
.chips a.on{background:var(--c-ink);border-color:var(--c-ink);color:#fff}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding-left:52px;margin-bottom:18px}
.steps li::before{content:"0" counter(s);position:absolute;left:0;top:0;font:600 13px/28px var(--f-mono);color:var(--c-red);width:36px;height:28px;border-bottom:1px solid var(--c-line-2)}
.toc{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r);padding:16px 20px;margin-bottom:24px}
.toc b{display:block;margin-bottom:6px}.toc ol{margin:0}

/* FAQ */
.faq details{border-top:1px solid var(--c-line)}
.faq details:last-of-type{border-bottom:1px solid var(--c-line)}
.faq summary{padding:18px 0;font-weight:600;font-size:16.5px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;line-height:.8;font-weight:300;color:var(--c-brand)}
.faq details[open] summary::after{content:"−"}
.faq details>div{padding:0 0 18px;color:var(--c-ink-2);max-width:720px}

/* Формы */
.form{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh)}
.form h3{margin-top:0;font-size:21px}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px}
.form__grid .full{grid-column:1/-1}
@media (max-width:560px){.form__grid{grid-template-columns:1fr}}
.fld label{display:block;font-size:12.5px;font-weight:600;margin-bottom:5px;color:var(--c-ink-2)}
.fld input,.fld select,.fld textarea{width:100%;padding:11px 14px;border:1px solid var(--c-line-2);border-radius:10px;font:inherit;font-size:15px;background:#fff;color:var(--c-ink);transition:border-color .15s}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--c-brand);outline:none;box-shadow:0 0 0 3px rgba(0,135,165,.15)}
.fld textarea{min-height:88px;resize:vertical}
.fld input[aria-invalid=true]{border-color:var(--c-red)}
.fld .err{color:var(--c-red);font-size:13px;margin-top:3px}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--c-muted);line-height:1.45}
.consent input{margin-top:1px;width:17px;height:17px;flex-shrink:0;accent-color:var(--c-brand)}
.form__msg{margin-top:12px;padding:12px 14px;border-radius:10px;display:none}
.form__msg.ok{display:block;background:#eef8d8;color:#2f4a0a}
.form__msg.bad{display:block;background:#fde8e9;color:#a1000a}
.form--dark{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.16);box-shadow:none}
.form--dark h3{color:#fff}
.form--dark .fld label,.form--dark .consent{color:#cfe5e9}
.form--dark .consent a{color:#fff}
.form__sub{margin:-4px 0 16px;color:var(--c-muted);font-size:14px}
.form--dark .form__sub{color:#cfe5e9}
.btn--block{width:100%}
.form__more{border-top:1px dashed var(--c-line-2);padding-top:8px}
.form__more summary{cursor:pointer;color:var(--c-brand-d);font-size:13.5px;font-weight:600;padding:4px 0;list-style:none}
.form__more summary::before{content:"+ "}.form__more[open] summary::before{content:"− "}
.form__more summary::-webkit-details-marker{display:none}
.form__more .form__grid{margin-top:10px}
.form--dark .form__more summary{color:var(--c-lime)}
.form__trust{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12.5px;color:var(--c-ink-2)}
.form__trust li{margin:0;padding-left:16px;position:relative}
.form__trust li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:var(--c-lime);box-shadow:0 0 0 1px #9fc43f}
.form--dark .form__trust{color:#cfe5e9}
.form__msgr{font-size:14px;margin:10px 0 0}

.cta{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media (max-width:860px){.cta{grid-template-columns:minmax(0,1fr)}}
.cta h2{font-size:clamp(28px,3.4vw,44px);font-weight:600}
.cta ul{list-style:none;padding:0}.cta li{margin-bottom:.6em;padding-left:22px;position:relative}
.cta li::before{content:"→";position:absolute;left:0;color:var(--c-lime)}

/* Калькуляторы */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}
@media (max-width:860px){.calc{grid-template-columns:minmax(0,1fr)}}
.calc__res{background:var(--c-brand-dd);color:#fff;border-radius:var(--r-lg);padding:26px}
.calc__res .big{font:750 42px/1.05 var(--f);letter-spacing:-.03em;display:block;margin:6px 0 10px}
.calc__res dl{display:grid;grid-template-columns:1fr auto;gap:8px 16px;margin:16px 0 0;font-size:14.5px}
.calc__res dt{color:#a9cdd5}.calc__res dd{margin:0;text-align:right;font-weight:600}
.calc__res a{color:var(--c-lime)}
.calc__res a.btn{color:var(--c-brand-dd)}
.rng{display:flex;gap:10px;align-items:center}

.pill{display:inline-block;font-size:12.5px;padding:4px 11px;border-radius:999px;background:var(--c-surface);border:1px solid var(--c-line-2);color:var(--c-ink);font-weight:600}
.pill--red{background:#fde8e9;color:#a1000a;border-color:#f5c2c5}
.hr{height:1px;background:var(--c-line);border:0;margin:32px 0}
.center{text-align:center}
.mt0{margin-top:0}.mb0{margin-bottom:0}.mt2{margin-top:24px}

/* Подвал */
.ftr{background:var(--c-brand-dd);color:#a9c9d0;margin-top:80px;font-size:14.5px}
.ftr a{color:#e3f0f2;text-decoration:none}.ftr a:hover{color:var(--c-lime)}
.ftr__grid{display:grid;grid-template-columns:1.4fr 1.2fr 1fr 1fr 1fr;gap:28px;padding-block:56px 36px}
@media (max-width:1100px){.ftr__grid{grid-template-columns:1fr 1fr 1fr}}
@media (max-width:900px){.ftr__grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ftr__grid{grid-template-columns:1fr}}
.ftr__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.ftr__brand .logo__txt small{color:var(--c-lime)}
.ftr__h{color:var(--c-lime);font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}
.ftr__list{list-style:none;padding:0;margin:0}.ftr__list li{margin-bottom:7px}
.ftr__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:22px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px}
.ftr .btn{color:var(--c-brand-dd);background:var(--c-lime);border-color:var(--c-lime)}
.ftr .btn:hover{background:#fff;border-color:#fff;color:var(--c-brand-dd)}

@media print{.hdr,.ftr,.form,.crumbs,.mcta{display:none}}
@media (max-width:600px){.sec{padding-block:48px}.form{padding:20px}.wrap{padding-inline:16px}.facts div{font-size:14px}.tbl th{white-space:normal}}

/* Сборка по шагам, галерея */
.asm{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.asm li{margin:0;border:1px solid var(--c-line);border-radius:var(--r);padding:12px 14px 16px;background:var(--c-surface);display:flex;flex-direction:column;gap:6px}
.asm img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:var(--c-brand-ll);border-radius:10px}
.asm b{font-size:15px}.asm span{font-size:14px;color:var(--c-ink-2);line-height:1.45}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:1.2em}
.gallery figure{margin:0}.gallery img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--r);border:1px solid var(--c-line)}
.gallery figcaption{font-size:13px;color:var(--c-muted);margin-top:4px}
.check{list-style:none;padding:0}.check li{padding-left:28px;position:relative}
.check li::before{content:"";position:absolute;left:2px;top:.45em;width:14px;height:14px;border-radius:50%;background:var(--c-lime)}

/* Выпадающее меню */
.nav__item{position:relative}
.nav__top{display:block}
.nav a.nav__top{padding:8px 12px}
.nav a.nav__top.on{background:var(--c-surface);box-shadow:inset 0 0 0 1px var(--c-line)}
.mega{display:none;position:absolute;top:calc(100% + 6px);left:0;z-index:60;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r);box-shadow:var(--sh);padding:22px 24px;gap:28px;grid-template-columns:300px 290px 220px}
.mega::before{content:"";position:absolute;left:0;right:0;top:-8px;height:8px}
.mega--wide{grid-template-columns:repeat(5,170px);left:-120px}
.mega--sizes{grid-template-columns:220px 400px}
.nav__item:hover>.mega,.nav__item:focus-within>.mega{display:grid}
.mega__h{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--c-muted);margin-bottom:10px}
.mega ul{list-style:none;padding:0;margin:0}.mega li{margin:0}
.nav .mega a{display:block;padding:4px 0;border-radius:0;font-size:14px;line-height:1.35;font-weight:500;color:var(--c-ink);background:none;white-space:normal}
.nav .mega a:hover{color:var(--c-brand-d);background:none}
.mega__cols{columns:3;column-gap:18px}
.nav .mega a.mega__all{display:inline;color:var(--c-brand-d);font-weight:600}
@media (max-width:1080px){.mega{display:none!important}.nav__item{width:100%}.nav a.nav__top{padding:12px}}

/* Плавающая кнопка на мобильных */
.mcta{display:none}
@media (max-width:1080px){
  .mcta{display:flex;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:55;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(246,245,240,.96);backdrop-filter:blur(8px);border-top:1px solid var(--c-line)}
  .mcta .btn{flex:1}
  body{padding-bottom:72px}
}

/* Подбор гофрокороба */
.picker{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;margin-top:8px}
.picker__in{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:28px;align-items:start}
@media (max-width:960px){.picker__in{grid-template-columns:minmax(0,1fr)}}
.picker__form h2{font-size:26px;font-weight:600}
.picker__dims{grid-template-columns:repeat(4,minmax(0,1fr));margin:14px 0}
@media (max-width:600px){.picker__dims{grid-template-columns:1fr 1fr}}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg label{margin:0;cursor:pointer;display:inline-block}
.seg input{position:absolute;opacity:0}
.seg span{display:inline-block;padding:7px 13px;border:1px solid var(--c-line-2);border-radius:999px;background:#fff;font-size:13.5px;font-weight:550;color:var(--c-ink)}
.seg input:checked+span{background:var(--c-ink);border-color:var(--c-ink);color:#fff}
.seg input:focus-visible+span{outline:3px solid rgba(0,135,165,.4)}
.pick{display:grid;grid-template-columns:170px minmax(0,1fr);gap:18px;align-items:center;background:var(--c-brand-ll);border:1px solid var(--c-line);border-radius:var(--r);padding:14px;margin-top:14px}
@media (max-width:600px){.pick{grid-template-columns:1fr}}
.pick__img img{width:100%;aspect-ratio:1;object-fit:contain}
.pick__res{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;margin:0;font-size:14.5px}
.pick__res dt{color:var(--c-muted)}.pick__res dd{margin:0;font-weight:600}
.choose{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:14px}
.choose__item{display:flex;gap:16px;align-items:center;padding:14px;border:1px solid var(--c-line);border-radius:var(--r);background:var(--c-surface);text-decoration:none;color:var(--c-ink-2);font-size:14px;line-height:1.45}
.choose__item:hover{border-color:var(--c-ink);color:var(--c-ink-2)}
.choose__item img{width:110px;height:90px;object-fit:contain;flex-shrink:0;background:var(--c-brand-ll);border-radius:10px}
.choose__item b{display:block;color:var(--c-ink);font-size:15px;margin-bottom:3px}

/* Компактный подбор в первом экране */
.qp{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh);padding:24px}
.qp__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.qp__head b{font-size:17px}
.qp__head .pill{font-weight:600}
.qp .fld label{font-size:12px}
.qp .picker__dims{margin:12px 0 10px}
.qp .pick{grid-template-columns:120px minmax(0,1fr);padding:10px 12px;margin-top:12px}
.qp .pick__res{font-size:13.5px;gap:5px 12px}
.qp__lead{display:flex;gap:8px;margin-top:14px}
.qp__lead input[type=tel]{flex:1;min-width:0;padding:12px 16px;border:1px solid var(--c-line-2);border-radius:999px;font:inherit;background:#fff}
.qp__lead input[type=tel]:focus{border-color:var(--c-brand);outline:none;box-shadow:0 0 0 3px rgba(0,135,165,.15)}
@media (max-width:480px){.qp__lead{flex-direction:column}}
.qp .consent{margin-top:10px}
.qp .form__msg{margin-top:10px}

@media (max-width:1240px){.logo__txt small{letter-spacing:.14em}}
.tbl--sizes td:first-child,.tbl--sizes td:last-child,.tbl--sizes td:nth-child(2){white-space:nowrap}
.tbl--sizes th,.tbl--sizes td{padding:10px 12px}
.also{font-size:14px;color:var(--c-muted);margin-top:10px}

/* Входы: 4 колонки */
.entries{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1100px){.entries{grid-template-columns:repeat(2,minmax(0,1fr))}.entry:nth-child(3){border-left:0;padding-left:0}.entry:nth-child(n+3){border-top:1px solid var(--c-line)}}
@media (max-width:640px){.entries{grid-template-columns:minmax(0,1fr)}.entry{border-left:0;padding-left:0;border-top:1px solid var(--c-line)}.entry:first-child{border-top:0}}
.entry form .btn{padding:10px 14px}
.entry .chips a{padding:5px 12px;font-size:13.5px}
/* Серии на тёмном фоне */
.series--dark a{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.14);color:#fff}
.series--dark a:hover{border-color:var(--c-lime)}
.series--dark b{background:rgba(200,238,114,.14);color:var(--c-lime)}
.series--dark small{color:#a9c9d0}
.hero__art img{width:31%;max-width:190px}
.code__img{overflow:hidden;min-height:0}
.code__img img{display:block;width:100%;height:100%;object-fit:contain}
.code__body{flex:1}
@media (max-width:980px){.hero__art{display:none}}

/* Фильтр размеров */
.sf{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:20px 22px;margin-bottom:18px}
.sf__row{display:flex;flex-wrap:wrap;gap:12px 14px;align-items:flex-end}
.sf__row+.sf__row{margin-top:14px}
.sf .fld{width:108px}
.sf .fld.sf__any{width:170px}
.sf .fld select{padding:10px 12px}
.sf__or{font-size:13px;color:var(--c-muted);padding-bottom:12px}
.sf__unit span{padding:9px 14px}
.sf__chips{align-items:center}
.sf__lbl{font-size:12.5px;font-weight:600;color:var(--c-muted);margin-right:2px}
.sf__chip{padding:6px 14px;border:1px solid var(--c-line-2);border-radius:999px;background:#fff;font:500 13.5px var(--f);color:var(--c-ink);cursor:pointer;font-variant-numeric:tabular-nums}
.sf__chip:hover{border-color:var(--c-ink)}
.sf .seg span{padding:6px 12px;font-size:13px}
.sf__bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line)}
.sf__bar b{font-size:15px}
.sf__sort{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-left:auto}
.sf__sort select{padding:7px 10px;border:1px solid var(--c-line-2);border-radius:999px;font:inherit;background:#fff}
.sf__empty{background:var(--c-surface);border:1px dashed var(--c-line-2);border-radius:var(--r-lg);padding:28px}
@media (max-width:600px){.sf .fld{width:calc(33.3% - 10px)}.sf .fld.sf__any{width:100%}.sf__or{width:100%;padding:0}.sf__sort{margin-left:0}}
#sf-table td:nth-child(2),#sf-table td:first-child{white-space:nowrap}

/* Виды гофрокоробов */
.swatch__c{display:block;height:64px;border-radius:10px;border:1px solid var(--c-line-2);margin-bottom:14px}
.board{display:block;width:100%;height:auto;margin-bottom:14px;background:var(--c-brand-ll);border-radius:8px;padding:6px}
.card h3 a{text-decoration:none;color:inherit}
.boards{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:end;margin-bottom:14px}.boards .board{margin:0}
.hlnum{color:var(--c-ink);background:var(--c-lime);padding:0 3px;border-radius:3px;font-weight:700}
.size-list td:first-child,.size-list td:nth-child(2){white-space:nowrap}