/* Ethanol Shield — the last tank. Own skeleton, palette from the label. */
@font-face{font-family:'Barlow Condensed';font-style:normal;font-weight:600;font-display:swap;src:url('/media/barlow-condensed-600.woff2') format('woff2')}
@font-face{font-family:'Barlow Condensed';font-style:normal;font-weight:700;font-display:swap;src:url('/media/barlow-condensed-700.woff2') format('woff2')}
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:400;font-display:swap;src:url('/media/source-sans-3-400.woff2') format('woff2')}
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:600;font-display:swap;src:url('/media/source-sans-3-600.woff2') format('woff2')}
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:700;font-display:swap;src:url('/media/source-sans-3-700.woff2') format('woff2')}

@layer base, chrome, blocks;

@layer base{
:root{
  --es-ink:#141a26; --es-paper:#ffffff; --es-wash:#eef2fa; --es-navy:#11204d;
  --es-navy-deep:#0c1532; --es-blue:#1d3a7d; --es-sky:#2e55a8;
  --es-kick:#e8761f; --es-ember:#c25418; --es-sun:#ffd41c; --es-flag:#d2231e;
  --es-mute:#59627a; --es-line:#d9e0ef; --es-shell:1180px; --es-round:12px;
  --es-display:'Barlow Condensed',system-ui,sans-serif;
  --es-text:'Source Sans 3',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--es-text);color:var(--es-ink);background:var(--es-paper);line-height:1.6;overflow-x:clip}
img{max-inline-size:100%;block-size:auto}
h1,h2,h3{font-family:var(--es-display);text-transform:uppercase;letter-spacing:.02em;line-height:1.08;margin-block:0 .5em}
h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700}
h3{font-size:1.18rem;font-weight:600}
a{color:var(--es-blue)}
main>section{padding-block:3.2rem}
main>section>h2,main>section>p:first-of-type{text-align:center}
.trail{max-inline-size:var(--es-shell);margin:1rem auto 0;padding-inline:1rem;font-size:.86rem;color:var(--es-mute)}
.trail a{color:var(--es-mute)}
}

@layer chrome{
.shed-top{position:sticky;inset-block-start:0;z-index:40;background:var(--es-navy-deep);border-block-end:3px solid var(--es-sun)}
.shed-top__in{max-inline-size:var(--es-shell);margin-inline:auto;display:flex;align-items:center;gap:1rem;padding:.55rem 1rem}
.shed-top__brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;margin-inline-end:1.2rem;flex-shrink:0}
.shed-top__brand span{font-family:var(--es-display);font-weight:700;font-size:1.5rem;text-transform:uppercase;color:#fff;letter-spacing:.03em}
.shed-top__brand b{color:var(--es-sun)}
.shed-top__nav{margin-inline-start:auto;display:flex;align-items:center;gap:1.4rem}
.shed-top__nav>a:not(.stamp){font-family:var(--es-display);text-transform:uppercase;font-weight:600;font-size:1.06rem;letter-spacing:.05em;color:#e8edf8;text-decoration:none}
.shed-top__nav>a:not(.stamp):hover{color:var(--es-sun)}
.hatch-box{display:none}
.hatch{display:none;flex-direction:column;gap:5px;margin-inline-start:auto;cursor:pointer;padding:.4rem}
.hatch i{display:block;inline-size:26px;block-size:3px;background:var(--es-sun);border-radius:2px}
.stamp{display:inline-block;line-height:0}
.stamp--top img{display:block;block-size:34px;inline-size:auto}
.stamp--hero img{block-size:56px;inline-size:auto}
.stamp--card img{inline-size:100%;block-size:auto}
.stamp:hover{filter:brightness(1.07)}
.shed-foot{background:var(--es-navy-deep);color:#c7d1e8;padding:3rem 1rem 1.4rem;margin-block-start:3rem}
.shed-foot a{color:#e8edf8;text-decoration:none}
.shed-foot a:hover{color:var(--es-sun)}
.shed-foot__crest{text-align:center;margin-block-end:2rem}
.shed-foot__slogan{font-family:var(--es-display);text-transform:uppercase;font-size:1.25rem;color:var(--es-sun);letter-spacing:.04em;margin-block:.6rem 0}
.shed-foot__cols{max-inline-size:var(--es-shell);margin-inline:auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}
.shed-foot__cols h3{color:#fff;font-size:1rem;letter-spacing:.08em}
.shed-foot__cols ul{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.shed-foot__addr{font-size:.84rem;color:#8d9ab8}
.shed-foot__base{max-inline-size:var(--es-shell);margin:2.2rem auto 0;padding-block-start:1.2rem;border-block-start:1px solid #26335c;text-align:center;font-size:.85rem;color:#8d9ab8}
}

@layer blocks{
/* hero — диагональный сплит (референс: trufuel50.com) */
.pour-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:stretch;background:var(--es-navy);color:#fff;padding-block:0}
.pour-hero__copy{padding:3.4rem clamp(1rem,4vw,3.6rem);display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.pour-hero__kicker{font-family:var(--es-display);text-transform:uppercase;letter-spacing:.14em;color:var(--es-sun);font-weight:600;margin:0 0 .7rem}
.pour-hero h1{color:#fff;max-inline-size:17ch}
.pour-hero__lede{max-inline-size:52ch;color:#d4ddf2;margin-block:0 1.4rem}
.pour-hero__fine{font-size:.8rem;color:#9fadd0;margin-block-start:.7rem}
.pour-hero__media{position:relative;min-block-size:340px;clip-path:polygon(9% 0,100% 0,100% 100%,0 100%)}
.pour-hero__media img{position:absolute;inset:0;inline-size:100%;block-size:100%;object-fit:cover}
/* жёлтая лента фактов (референс: промо-лента b3cfuel.com) */
.ribbon{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));background:var(--es-sun);padding-block:0}
.ribbon__cell{padding:1rem 1.2rem;text-align:center;border-inline-start:1px solid rgba(17,32,77,.18)}
.ribbon__cell:first-child{border-inline-start:0}
.ribbon__cell b{display:block;font-family:var(--es-display);text-transform:uppercase;font-size:1.1rem;color:var(--es-navy)}
.ribbon__cell span{font-size:.85rem;color:#4a4a21}
/* плитки категорий (референс: трёхпанельный хиро b3cfuel.com) */
.bay{max-inline-size:var(--es-shell);margin-inline:auto;padding-inline:1rem}
.bay__title{text-align:center}
.bay-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.1rem;margin-block-start:1.6rem}
.bay-tile{position:relative;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;gap:.5rem;min-block-size:300px;border-radius:var(--es-round);padding:1.2rem;text-decoration:none;background:var(--es-wash) var(--tile) center/contain no-repeat;background-origin:content-box;border:1px solid var(--es-line)}
.bay-tile__tag{background:var(--es-sun);color:var(--es-navy);font-family:var(--es-display);font-weight:700;text-transform:uppercase;font-size:1.15rem;padding:.3rem .8rem;transform:skew(-8deg);letter-spacing:.03em}
.bay-tile__go{font-size:.9rem;color:var(--es-blue);font-weight:600}
/* рейл товаров (референс: best sellers vpracingfuels.com) */
.rack-wrap{max-inline-size:var(--es-shell);margin-inline:auto;padding-inline:1rem}
.rack-wrap__lede{color:var(--es-mute);max-inline-size:62ch;margin-inline:auto}
.rack{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.2rem;margin-block-start:1.6rem}
.crate{display:flex;flex-direction:column;border:1px solid var(--es-line);border-radius:var(--es-round);overflow:hidden;background:#fff}
.crate__pic{display:block;background:#fff;padding:1rem}
.crate__pic img{aspect-ratio:1;object-fit:contain;inline-size:100%}
.crate__body{display:flex;flex-direction:column;gap:.35rem;padding:0 1.1rem 1.1rem;flex:1}
.crate__kicker{font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;color:var(--es-kick);font-weight:700;margin:0}
.crate__body h3{font-size:1.06rem;margin:0;text-transform:none;letter-spacing:0;font-family:var(--es-text);font-weight:700;line-height:1.35}
.crate__body h3 a{color:var(--es-ink);text-decoration:none}
.crate__body h3 a:hover{color:var(--es-blue)}
.crate__meta{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--es-mute);margin:0}
.crate__stars{color:var(--es-kick);letter-spacing:.08em}
.crate__price{font-family:var(--es-display);font-size:1.5rem;font-weight:700;color:var(--es-navy);margin:.1rem 0 .5rem}
.stamp--card{margin-block-start:auto}
/* "что делает унция" (референс: why-колонки trufuel50.com) */
.shield-why{background:var(--es-wash)}
.shield-why__row{max-inline-size:var(--es-shell);margin:1.8rem auto 0;padding-inline:1rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.4rem}
.why-cell{background:#fff;border-block-start:5px solid var(--es-kick);border-radius:0 0 var(--es-round) var(--es-round);padding:1.4rem;box-shadow:0 1px 4px rgba(20,26,38,.08)}
.why-cell p{margin:0;color:#3c4456}
/* лабораторная полоса (данные из брендовой инфографики) */
.bench-data{background:var(--es-navy);color:#fff}
.bench-data h2{color:#fff}
.bench-data__row{max-inline-size:var(--es-shell);margin:1.8rem auto 0;padding-inline:1rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1rem}
.bench-data__tile{text-align:center;border:1px solid #2b3f78;border-radius:var(--es-round);padding:1.2rem .8rem}
.bench-data__tile b{display:block;font-family:var(--es-display);font-size:2.2rem;color:var(--es-sun)}
.bench-data__tile span{font-size:.85rem;color:#c7d1e8}
/* дозировка radio-tabs (референс: choose-the-right-mix trufuel50.com) */
.dose{max-inline-size:var(--es-shell);margin-inline:auto;padding-inline:1rem}
.dose__lede{color:var(--es-mute);text-align:center}
.dose__tabs{display:grid;grid-template-columns:repeat(4,auto);justify-content:center;gap:.6rem;margin-block-start:1.4rem}
.dose__tabs input{position:absolute;opacity:0;pointer-events:none}
.dose__tabs label{font-family:var(--es-display);text-transform:uppercase;font-weight:600;letter-spacing:.05em;padding:.5rem 1.3rem;border:2px solid var(--es-navy);border-radius:999px;cursor:pointer;color:var(--es-navy)}
.dose__tabs input:checked+label{background:var(--es-navy);color:var(--es-sun)}
.dose__panel{display:none;grid-column:1/-1;text-align:center;background:var(--es-wash);border-radius:var(--es-round);padding:1.6rem;margin-block-start:.8rem}
.dose__panel b{font-family:var(--es-display);font-size:1.7rem;text-transform:uppercase;color:var(--es-ember)}
.dose__panel p{max-inline-size:62ch;margin:0.5rem auto 0;color:#3c4456}
#dose-every:checked~.dose__panel--every,#dose-store:checked~.dose__panel--store,#dose-auto:checked~.dose__panel--auto,#dose-marine:checked~.dose__panel--marine{display:block}
/* таблица сравнения (референс: advantage-таблица trufuel50.com) */
.ledger-wrap{max-inline-size:860px;margin-inline:auto;padding-inline:1rem}
.ledger{inline-size:100%;border-collapse:collapse;margin-block-start:1.6rem}
.ledger th{font-family:var(--es-display);text-transform:uppercase;letter-spacing:.04em;background:var(--es-navy);color:#fff;padding:.7rem .9rem;text-align:start}
.ledger th:nth-child(2){background:var(--es-blue);color:var(--es-sun)}
.ledger td{border-block-end:1px solid var(--es-line);padding:.65rem .9rem}
.ledger td.yes{color:#1c7c3c;font-weight:700;text-align:center}
.ledger td.no{color:var(--es-flag);font-weight:700;text-align:center}
.ledger--line th a{color:inherit;text-decoration:none}
.ledger--line th a:hover{text-decoration:underline}
.ledger--line th:nth-child(2){background:var(--es-blue);color:var(--es-sun)}
.ledger--line th:nth-child(3),.ledger--line th:nth-child(4){background:var(--es-navy);color:#fff}
.ledger--line td.no{color:var(--es-mute);font-weight:400}
/* лента техники (референс: engineered-for-equipment trufuel50.com, сеткой без скролла) */
.fleet{background:var(--es-wash)}
.fleet__row{max-inline-size:var(--es-shell);margin:1.6rem auto 0;padding-inline:1rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}
.fleet__item{background:#fff;border:1px solid var(--es-line);border-radius:var(--es-round);padding:1.1rem;text-align:center}
.fleet__item b{display:block;font-family:var(--es-display);text-transform:uppercase;font-size:1.08rem;color:var(--es-navy)}
.fleet__item span{font-size:.85rem;color:var(--es-mute)}
/* отзывы */
.crew-notes{max-inline-size:var(--es-shell);margin-inline:auto;padding-inline:1rem}
.crew-notes__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2rem;margin-block-start:1.6rem}
.note-card{margin:0;background:#fff;border:1px solid var(--es-line);border-block-start:4px solid var(--es-sun);border-radius:var(--es-round);padding:1.2rem}
.note-card figcaption{display:flex;align-items:center;gap:.6rem;font-weight:700}
.note-card blockquote{margin:.7rem 0;color:#3c4456;font-size:.95rem}
.note-card__who{font-size:.8rem;color:var(--es-mute);margin:0}
/* статьи (референс: article-тизеры vpracingfuels.com) */
.shop-reads{max-inline-size:var(--es-shell);margin-inline:auto;padding-inline:1rem}
.shop-reads__row{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem;margin-block-start:1.6rem}
.read-card{display:flex;flex-direction:column;gap:.5rem;border:1px solid var(--es-line);border-radius:var(--es-round);padding:1.3rem;text-decoration:none;background:#fff}
.read-card h3{color:var(--es-navy);margin:0}
.read-card p{color:var(--es-mute);font-size:.92rem;margin:0}
.read-card__more{color:var(--es-ember);font-weight:700;font-size:.9rem;margin-block-start:auto}
.read-card:hover h3{color:var(--es-blue)}
/* SEO-блок */
.long-read{background:var(--es-wash)}
.long-read__cols{max-inline-size:var(--es-shell);margin:1.4rem auto 0;padding-inline:1rem;columns:2 36ch;column-gap:2.4rem}
.long-read__cols p{break-inside:avoid-column;margin-block-start:0;color:#3c4456}
/* закрывающий CTA */
.last-call{background:var(--es-navy);color:#fff;text-align:center;padding-inline:1rem}
.last-call h2{color:var(--es-sun)}
.last-call p{color:#d4ddf2;max-inline-size:60ch;margin-inline:auto}
/* категория */
.shelf-head{max-inline-size:var(--es-shell);margin-inline:auto;padding:2.4rem 1rem 0;text-align:center}
.shelf-head p{max-inline-size:68ch;margin-inline:auto;color:var(--es-mute)}
.rack-wrap--shelf{padding-block-start:1rem}
.shelf-next{max-inline-size:var(--es-shell);margin-inline:auto;padding-inline:1rem;text-align:center}
.shelf-next__row{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center;margin-block-start:1rem}
.shelf-next__row a{font-family:var(--es-display);text-transform:uppercase;font-weight:600;border:2px solid var(--es-navy);border-radius:999px;padding:.45rem 1.2rem;text-decoration:none;color:var(--es-navy)}
.shelf-next__row a:hover{background:var(--es-navy);color:var(--es-sun)}
/* PDP */
.tank-page__stage{max-inline-size:var(--es-shell);margin-inline:auto;padding:1.6rem 1rem 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:2.4rem}
.tank-page__main{inline-size:100%;aspect-ratio:1;object-fit:contain;border:1px solid var(--es-line);border-radius:var(--es-round);background:#fff}
.tank-page__thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;margin-block-start:.6rem}
.tank-page__thumbs img{aspect-ratio:1;object-fit:contain;border:1px solid var(--es-line);border-radius:8px;background:#fff}
.tank-page__facts h1{font-size:clamp(1.5rem,2.6vw,2.1rem)}
.tank-page__price{font-family:var(--es-display);font-size:2.1rem;font-weight:700;color:var(--es-navy);margin:.2rem 0}
.tank-page__treats{display:inline-block;background:var(--es-sun);color:var(--es-navy);font-weight:700;font-size:.9rem;padding:.25rem .7rem;transform:skew(-8deg);margin-block-end:1rem}
.tank-page__sub{margin-block-start:1.6rem;font-size:1.2rem}
.tank-page__list{padding-inline-start:1.2rem;color:#3c4456}
.tank-page__list li{margin-block-end:.4rem}
.crew-notes--pdp{padding-block-start:2.4rem}
.last-call--pdp{margin-block-start:2.4rem}
/* гайды и legal */
.bench-read{max-inline-size:760px;margin-inline:auto;padding:1.6rem 1rem 0}
.bench-read h1{margin-block-end:.8rem}
.bench-read h2{font-size:1.3rem;margin-block-start:1.8rem}
.bench-read p{color:#2e3546}
.bench-read__kind{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--es-kick);font-weight:700;margin-block-end:.2rem}
.last-call--read{border-radius:var(--es-round);padding:2rem;margin-block:2.4rem 0}
/* 404 */
.lost-can{max-inline-size:640px;margin-inline:auto;text-align:center;padding:4rem 1rem}
.lost-can__code{font-family:var(--es-display);font-size:6rem;font-weight:700;color:var(--es-sun);text-shadow:3px 3px 0 var(--es-navy);margin:0;line-height:1}
.lost-can__back{font-family:var(--es-display);text-transform:uppercase;font-weight:700;font-size:1.2rem}
}

@media (max-width: 900px){
  .pour-hero{grid-template-columns:1fr}
  .pour-hero__media{clip-path:polygon(0 12%,100% 0,100% 100%,0 100%);min-block-size:260px;order:-1}
  .tank-page__stage{grid-template-columns:1fr}
  .dose__tabs{grid-template-columns:repeat(2,auto)}
}
@media (max-width: 760px){
  .hatch{display:flex}
  .shed-top__nav{position:absolute;inset-block-start:100%;inset-inline:0;background:var(--es-navy-deep);flex-direction:column;align-items:stretch;padding:1rem;gap:1rem;display:none;border-block-end:3px solid var(--es-sun)}
  .hatch-box:checked~.shed-top__nav{display:flex}
  .shed-top__nav>a:not(.stamp){padding:.3rem 0}
  .ribbon__cell{border-inline-start:0;border-block-start:1px solid rgba(17,32,77,.18)}
  .ribbon__cell:first-child{border-block-start:0}
}