/* ДЕЛЬТА МСК — «Инженерная надёжность». Tokens from the approved concept. */
:root {
  --bg-dark: #111B20;
  --bg-dark-2: #17262B;
  --bg-light: #F4F5F2;
  --text: #17232B;
  --text-2: #66747A;
  --lime: #D5EA45;
  --lime-d: #c3d935;
  --line: #DCE2E3;
  --white: #fff;
  --err: #c0392b;
  --radius: 6px;
  --wrap: 1280px;
  --font: "Manrope", "Onest", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.55 var(--font); color: var(--text); background: var(--bg-light); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; font-weight: 800; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 3.7vw, 3.3rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
sub { font-size: .7em; line-height: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--lime); color: #000; padding: 10px 16px; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 920px; }
.ic { flex: none; }
.lime { color: var(--lime); }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 2px; }
.section-light :focus-visible, .panel :focus-visible { outline-color: #5b6b00; }

/* ---------- buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 22px; border-radius: var(--radius); font-weight: 700; font-size: .95rem; text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s; font-family: inherit; line-height: 1.2; text-align: center; }
.btn-lime { background: var(--lime); color: #111B20; }
.btn-lime:hover { background: #e4f66a; }
.btn-outline { border-color: rgba(213, 234, 69, .7); color: #fff; background: transparent; }
.btn-outline:hover { border-color: var(--lime); background: rgba(213, 234, 69, .12); }
.btn-outline-dark { border-color: #1b2b33; color: var(--text); background: transparent; }
.btn-outline-dark:hover { background: #1b2b33; color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 14px; font-size: .85rem; }

/* ---------- header */
.site-header { background: var(--bg-dark); color: #fff; position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.header-row { display: flex; align-items: center; gap: 28px; min-height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text strong { font-size: 1.35rem; letter-spacing: .02em; font-weight: 800; }
.logo-text small { font-size: .62rem; letter-spacing: .16em; color: #b8c4c8; margin-top: 3px; }
.mainnav { display: flex; gap: 26px; margin-left: auto; font-size: .9rem; font-weight: 600; }
.mainnav a { text-decoration: none; padding: 8px 0; border-bottom: 2px solid transparent; color: #e8eef0; }
.mainnav a:hover, .mainnav a.is-active { color: var(--lime); border-color: var(--lime); }
.hsearch { display: flex; align-items: center; position: relative; }
.hsearch input { width: 0; opacity: 0; padding: 0; border: 0; background: transparent; color: #fff; transition: width .2s, opacity .2s; font: inherit; }
.hsearch.is-open input { width: 230px; opacity: 1; padding: 9px 12px; border: 1px solid rgba(255, 255, 255, .25); border-radius: var(--radius); background: rgba(255, 255, 255, .06); }
.hsearch button { background: none; border: 0; color: #fff; cursor: pointer; padding: 8px; display: grid; place-items: center; }
.btn-cta { padding: 12px 18px; white-space: nowrap; }
.nav-toggle { display: none; background: none; border: 1px solid rgba(255, 255, 255, .25); color: #fff; border-radius: var(--radius); padding: 8px; cursor: pointer; margin-left: auto; }

/* ---------- hero */
.hero { position: relative; color: #fff; background: var(--bg-dark) var(--hero-bg, url("/assets/img/bg-hero.svg")) center/cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(17, 27, 32, .55) 0%, rgba(17, 27, 32, .15) 55%, rgba(17, 27, 32, 0) 100%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.5fr .75fr .8fr; gap: 20px; align-items: center; padding-top: 64px; padding-bottom: 64px; min-height: 520px; }
.eyebrow { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; color: #cfd8db; margin: 0 0 18px; display: flex; align-items: center; gap: 12px; }
.eyebrow-dark { color: var(--text-2); }
.eyebrow-dark::after { content: ""; width: 38px; height: 1px; background: var(--lime-d); }
.hero h1 { font-size: clamp(1.8rem, 3.2vw, 3rem); }
.hero h1 span { display: block; }
.hero h1 { margin-bottom: 20px; }
.hero-text { color: #d5dde0; max-width: 560px; font-size: 1.05rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-visual { position: relative; display: grid; place-items: center; }
.hero-visual img { max-height: 440px; width: auto; filter: drop-shadow(0 20px 30px rgba(0, 0, 0, .5)); position: relative; z-index: 1; }
.dim { position: absolute; border: 1px solid rgba(213, 234, 69, .45); }
.dim-v { top: 4%; bottom: 4%; left: 14%; width: 0; border-width: 0 0 0 1px; }
.dim-h { left: 14%; right: 14%; top: 4%; height: 0; border-width: 1px 0 0 0; }
.hero-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; position: relative; }
.hero-points li { display: flex; gap: 16px; align-items: center; font-size: .92rem; color: #e8eef0; }
.hero-points .ic { color: var(--lime); }

.strip { background: var(--bg-dark-2); color: #fff; border-top: 1px solid rgba(255, 255, 255, .06); }
.strip-row { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0 auto; padding-top: 22px; padding-bottom: 22px; }
.strip-row li { display: flex; align-items: center; gap: 16px; padding: 0 24px; border-left: 1px solid rgba(255, 255, 255, .1); font-size: .9rem; font-weight: 600; }
.strip-row li:first-child { border-left: 0; padding-left: 0; }
.strip-row .ic { color: var(--lime); }

/* ---------- sections */
.section { padding: 72px 0; }
.section-light { background: var(--bg-light); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 32px; }
.more { font-weight: 700; text-decoration: none; display: inline-flex; gap: 8px; align-items: center; border-bottom: 1px solid currentColor; padding-bottom: 2px; }

/* ---------- cards */
.pgrid { display: grid; gap: 20px; }
.pgrid--4 { grid-template-columns: repeat(4, 1fr); }
.pgrid--3 { grid-template-columns: repeat(3, 1fr); }
.pgrid--list { grid-template-columns: 1fr; }
.pcard { background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.pcard:hover { box-shadow: 0 10px 28px rgba(17, 27, 32, .12); transform: translateY(-2px); }
.pcard-img { background: linear-gradient(180deg, #f1f3f0, #e8ece9); display: grid; place-items: center; padding: 14px; aspect-ratio: 1 / .8; }
.pcard-img img { max-height: 100%; width: auto; object-fit: contain; mix-blend-mode: multiply; }
.pcard-body { padding: 18px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.pcard h3 { margin: 0 0 4px; font-size: 1.12rem; }
.pcard h3 a { text-decoration: none; }
.pcard-sub { color: var(--text-2); font-size: .88rem; margin-bottom: 12px; }
.pcard-params { margin: 0 0 16px; font-size: .82rem; display: grid; gap: 7px; flex: 1; }
.pcard-params div { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px dashed var(--line); padding-bottom: 6px; }
.pcard-params dt { color: var(--text-2); }
.pcard-params dd { margin: 0; font-weight: 700; text-align: right; white-space: nowrap; }
.pcard--list { flex-direction: row; }
.pcard--list .pcard-img { width: 190px; aspect-ratio: auto; flex: none; }
.pcard--list .pcard-body { display: grid; grid-template-columns: 1fr auto; gap: 8px 24px; align-items: center; }
.pcard--list .pcard-params { grid-column: 1; margin: 0; }
.pcard--list .btn { grid-column: 2; grid-row: 1 / span 3; width: auto; }

/* ---------- production band */
.prod-band { background: var(--bg-dark) url("/assets/img/bg-hero.svg") center/cover; position: relative; color: #fff; display: grid; grid-template-columns: .9fr 1.1fr 1fr; align-items: center; }
.prod-band::before { content: ""; position: absolute; inset: 0; background: rgba(17, 27, 32, .55); }
.prod-band > * { position: relative; }
.prod-photo { display: grid; place-items: center; padding: 28px; }
.prod-photo img { max-height: 360px; width: auto; filter: drop-shadow(0 16px 28px rgba(0, 0, 0, .5)); }
.prod-copy { padding: 56px 24px; }
.prod-copy p { color: #cfd8db; max-width: 480px; }
.prod-points { list-style: none; margin: 0; padding: 40px 40px 40px 32px; display: grid; gap: 24px; border-left: 1px solid rgba(255, 255, 255, .12); }
.prod-points li { display: flex; gap: 16px; align-items: center; font-weight: 600; font-size: .92rem; }
.prod-points .ic { color: var(--lime); }

/* ---------- docs + help */
.docs-help { display: grid; grid-template-columns: 1fr 1.15fr; gap: 28px; align-items: stretch; }
.docs-box { padding: 20px 8px; align-self: center; }
.help-box { background: var(--bg-dark); color: #fff; border-radius: 8px; padding: 32px; }
.help-box h2 { font-size: 1.5rem; }
.help-box > p { color: #cfd8db; }

/* ---------- page hero */
.page-hero { background: var(--bg-dark) url("/assets/img/bg-hero.svg") center/cover; position: relative; color: #fff; padding: 36px 0 44px; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(17, 27, 32, .5), rgba(17, 27, 32, 0)); }
.page-hero > .wrap { position: relative; }
.page-hero .lead { color: #d5dde0; max-width: 640px; font-size: 1.05rem; }
.page-hero h1 { margin-bottom: 14px; }
.page-hero--product { padding: 20px 0; }
.hero-mini { list-style: none; padding: 0; margin: 28px 0 0; display: flex; gap: 40px; flex-wrap: wrap; }
.hero-mini li { display: flex; gap: 14px; align-items: center; font-size: .86rem; font-weight: 600; }
.hero-mini .ic { color: var(--lime); }
.crumbs ol { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0 0 22px; flex-wrap: wrap; font-size: .85rem; color: #b8c4c8; }
.crumbs li + li::before { content: "/"; margin-right: 8px; opacity: .6; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--lime); }
.page-hero--product .crumbs ol { margin: 0; }
.contact-cards { list-style: none; padding: 0; margin: 30px 0 0; display: flex; gap: 40px; flex-wrap: wrap; }
.contact-cards li { display: flex; gap: 16px; align-items: center; }
.contact-cards .ic { color: var(--lime); }
.contact-cards strong { display: block; font-size: 1.2rem; }
.contact-cards strong a { text-decoration: none; }
.contact-cards span { font-size: .85rem; color: #b8c4c8; }

/* ---------- catalog */
.toolbar { display: grid; grid-template-columns: 1.5fr auto auto; gap: 24px; align-items: center; margin-bottom: 28px; }
.tsearch { position: relative; }
.tsearch input { width: 100%; padding: 15px 52px 15px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; font: inherit; }
.tsearch button { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); background: none; border: 0; padding: 8px; cursor: pointer; color: var(--text); }
.tool-link { display: inline-flex; gap: 10px; align-items: center; font-weight: 700; font-size: .92rem; text-decoration: none; padding: 6px 4px; }
.tool-link:hover { color: #5b6b00; }
.catalog-layout { display: grid; grid-template-columns: 290px 1fr; gap: 28px; align-items: start; }
.filters { background: var(--bg-dark); color: #fff; border-radius: 8px; padding: 22px; position: sticky; top: 92px; max-height: calc(100vh - 110px); overflow: auto; }
.filters-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.filters-head h2 { font-size: 1.3rem; margin: 0; }
.reset { color: var(--lime); font-size: .82rem; text-decoration: none; }
.fgroup { border-top: 1px solid rgba(255, 255, 255, .1); padding: 14px 0; }
.fgroup summary { cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 10px; font-weight: 700; font-size: .9rem; list-style: none; }
.fgroup summary::-webkit-details-marker { display: none; }
.fgroup[open] summary .ic { transform: rotate(180deg); }
.fgroup ul { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 9px; }
.fgroup label { display: flex; align-items: center; gap: 10px; font-size: .88rem; cursor: pointer; }
.fgroup input[type=checkbox] { appearance: none; width: 18px; height: 18px; border: 1.5px solid #6c7b81; border-radius: 3px; background: transparent; display: grid; place-content: center; flex: none; cursor: pointer; }
.fgroup input[type=checkbox]:checked { background: var(--lime); border-color: var(--lime); }
.fgroup input[type=checkbox]:checked::after { content: ""; width: 9px; height: 5px; border: solid #111B20; border-width: 0 0 2px 2px; transform: rotate(-45deg) translate(1px, -1px); }
.fl { flex: 1; } .fc { color: #8d9da3; font-size: .8rem; }
.filters .btn { margin-top: 12px; }
.results-bar { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; flex-wrap: wrap; }
.found { margin: 0; font-size: .92rem; }
.sortf { display: flex; align-items: center; gap: 10px; margin-left: auto; font-size: .88rem; }
select, input[type=text], input[type=email], input[type=tel], input[type=search], input[type=file], textarea { font: inherit; }
.sortf select, .docfilter select { padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.viewsw { display: flex; gap: 6px; }
.vs { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--text); }
.vs.is-on { background: var(--lime); border-color: var(--lime); }
.filters-open { display: none; }
.empty { background: #fff; border: 1px dashed var(--line); border-radius: 8px; padding: 36px; text-align: center; }
.cta-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 36px; }
.cta { border-radius: 8px; padding: 28px; }
.cta h3 { font-size: 1.3rem; }
.cta-light { background: #eaeee0; border: 1px solid #d9e0c6; }
.cta-dark { background: var(--bg-dark); color: #fff; }
.cta-dark h3 { color: var(--lime); }
.pager { display: flex; gap: 8px; margin-top: 28px; flex-wrap: wrap; }
.pg { min-width: 40px; height: 40px; padding: 0 12px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; text-decoration: none; font-weight: 700; }
.pg.is-current { background: var(--lime); border-color: var(--lime); }
.pg.gap { border: 0; background: none; }

/* ---------- product */
.product-top { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
.product-gallery { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 24px; text-align: center; }
.product-gallery img { margin: 0 auto; max-height: 480px; width: auto; mix-blend-mode: multiply; }
.keyparams { margin: 22px 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.keyparams div { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.keyparams dt { color: var(--text-2); }
.keyparams dd { margin: 0; font-weight: 700; text-align: right; }
.product-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.product-info .lead { font-size: 1.05rem; color: var(--text-2); }
.product-sections { display: grid; gap: 28px; margin-top: 48px; grid-template-columns: minmax(0, 1fr); }
.product-top > *, .selection-grid > *, .contacts-grid > *, .docs-help > *, .catalog-layout > * { min-width: 0; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 32px; }
.panel h2 { font-size: 1.5rem; }
.panel-dark { background: var(--bg-dark); color: #fff; border: 0; }
.panel-quiet { background: #eef1ec; }
.panel-warn { background: #fff8e0; border-color: #ecd98a; }
.prose h2, .prose h3 { margin-top: 1.4em; }
.prose h2:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.3em; }
.ticks { list-style: none; padding: 0; display: grid; gap: 10px; }
.ticks li { display: flex; gap: 10px; align-items: flex-start; }
.ticks .ic { color: #6f8300; margin-top: 3px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; }
table.spec { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 640px; }
.spec th, .spec td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec thead th { background: var(--bg-dark-2); color: #fff; font-weight: 700; white-space: nowrap; }
.spec .grp th { background: #eef1ec; font-size: .82rem; text-transform: none; letter-spacing: .02em; }
.spec tbody th[scope=row] { font-weight: 500; width: 46%; }
.spec .unit { color: var(--text-2); white-space: nowrap; width: 54px; }
.spec .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.spec .common { text-align: center; }
.hint { color: var(--text-2); font-size: .84rem; }
.panel-dark .hint { color: #aebabf; }
.doclist, .doctable { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.doclist li, .doctable li { display: flex; gap: 16px; align-items: center; padding: 16px; background: #f7f8f5; border: 1px solid var(--line); border-radius: 8px; }
.doclist .ic, .doctable .ic { color: #6f8300; }
.doclist a, .doc-main a { font-weight: 700; }
.meta { color: var(--text-2); font-size: .84rem; margin: 2px 0 0; display: block; }
.doc-main { flex: 1; }
.doc-main .meta { margin: 2px 0 0; }
.doc-size { text-align: right; color: var(--text-2); font-size: .8rem; white-space: nowrap; }
.related-title { margin: 48px 0 22px; }
.docfilter { display: flex; gap: 16px; align-items: end; flex-wrap: wrap; margin-bottom: 22px; }
.grow { flex: 1; min-width: 220px; }

/* ---------- selection */
.selection-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.sel-list { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 12px; }
.sel-list li { display: grid; grid-template-columns: 72px 1fr auto; gap: 16px; align-items: center; padding: 14px; background: #f7f8f5; border: 1px solid var(--line); border-radius: 8px; }
.sel-list a:not(.btn) { font-weight: 800; }
.match { color: #4f6200; font-size: .86rem; display: flex; gap: 6px; align-items: center; margin: 4px 0 0; }
.steps { padding-left: 1.2em; display: grid; gap: 10px; }
.notice { background: #fff8e0; border: 1px solid #ecd98a; border-radius: 6px; padding: 12px 14px; font-size: .9rem; }
.panel-dark .notice { color: var(--text); }

/* ---------- forms */
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field.wide { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 700; }
.req { color: var(--err); }
.field input, .field select, .field textarea { padding: 12px 14px; border: 1px solid #c8d0d2; border-radius: var(--radius); background: #fff; color: var(--text); width: 100%; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: #5b6b00; outline: 2px solid rgba(213, 234, 69, .6); }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: var(--err); }
.err { color: var(--err); font-size: .82rem; margin: 2px 0 0; min-height: 0; }
.err:empty { display: none; }
.panel-dark .err, .help-box .err { color: #ff9d90; }
.panel-dark label, .help-box label { color: #e8eef0; }
.panel-dark .hint, .help-box .hint { color: #aebabf; }
.lead-form .is-compact .fields, .is-compact .fields { grid-template-columns: 1fr; }
.help-box .is-compact .fields { grid-template-columns: 1fr 1fr; }
.help-box .is-compact .field:first-child, .help-box .is-compact .field:last-child { grid-column: auto; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .84rem; margin: 0 0 10px; cursor: pointer; }
.check input { margin-top: 3px; width: 18px; height: 18px; accent-color: #a5bb1b; flex: none; }
.check a { text-decoration-color: var(--lime); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.lead-form .btn { margin-top: 6px; }
.form-ok { background: rgba(213, 234, 69, .15); border: 1px solid var(--lime); border-radius: 6px; padding: 16px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.contacts-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: start; }
pre.debug { background: rgba(0,0,0,.4); padding: 12px; border-radius: 6px; white-space: pre-wrap; font-size: .8rem; }

/* ---------- footer */
.site-footer { background: var(--bg-dark) url("/assets/img/bg-footer.svg") center bottom/cover no-repeat; color: #fff; position: relative; }
.site-footer::before { content: ""; position: absolute; inset: 0; background: rgba(17, 27, 32, .35); }
.site-footer > * { position: relative; }
.footer-row { display: grid; grid-template-columns: 1.1fr 1.6fr 1.1fr; gap: 32px; align-items: center; padding-top: 44px; padding-bottom: 44px; }
.foot-role { margin: 10px 0 0; font-size: .8rem; color: #aebabf; max-width: 260px; }
.foot-nav { display: flex; gap: 8px 22px; flex-wrap: wrap; font-size: .85rem; font-weight: 600; }
.foot-nav a { text-decoration: none; color: #e1e8ea; }
.foot-nav a:hover { color: var(--lime); }
.foot-contacts { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-size: .92rem; }
.foot-contacts li { display: flex; gap: 12px; align-items: center; }
.foot-contacts .ic { color: var(--lime); }
.foot-contacts a { text-decoration: none; }
.muted { color: #aebabf; }
.foot-bottom { border-top: 1px solid rgba(255, 255, 255, .1); font-size: .78rem; color: #aebabf; padding: 16px 0; }
.foot-bottom .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot-bottom a { text-decoration: none; }
.foot-bottom a:hover { color: var(--lime); }

/* ---------- responsive */
@media (max-width: 1180px) {
  .hero-grid { grid-template-columns: 1.2fr .8fr; }
  .hero-points { grid-column: 1 / -1; grid-template-columns: repeat(2, 1fr); }
  .pgrid--4 { grid-template-columns: repeat(2, 1fr); }
  .pgrid--3 { grid-template-columns: repeat(2, 1fr); }
  .mainnav { gap: 16px; font-size: .84rem; }
  .btn-cta { padding: 11px 14px; }
  .prod-band { grid-template-columns: 1fr 1fr; }
  .prod-points { grid-column: 1 / -1; border-left: 0; border-top: 1px solid rgba(255, 255, 255, .12); grid-template-columns: repeat(3, 1fr); padding: 28px 24px; }
  .product-top { gap: 28px; }
}
@media (max-width: 960px) {
  .nav-toggle { display: inline-grid; }
  .header-row { flex-wrap: wrap; gap: 12px; min-height: 64px; padding-top: 10px; padding-bottom: 10px; }
  .mainnav { display: none; flex-direction: column; width: 100%; order: 5; margin: 0; padding: 8px 0 12px; gap: 0; }
  .mainnav.is-open { display: flex; }
  .mainnav a { padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); font-size: 1rem; }
  .hsearch { order: 3; }
  .hsearch.is-open { flex: 1 1 100%; order: 6; }
  .hsearch.is-open input { width: 100%; }
  .btn-cta { order: 4; }
  .catalog-layout { grid-template-columns: 1fr; }
  .filters { display: none; position: fixed; inset: 0; z-index: 80; max-height: none; border-radius: 0; padding-top: 64px; }
  .filters.is-open { display: block; }
  .filters-close { display: block; }
  .filters-open { display: inline-flex; }
  .toolbar { grid-template-columns: 1fr; gap: 12px; }
  .product-top, .selection-grid, .contacts-grid, .docs-help { grid-template-columns: 1fr; }
  .footer-row { grid-template-columns: 1fr; }
  .strip-row { grid-template-columns: 1fr 1fr; gap: 18px 0; }
  .strip-row li:nth-child(3) { border-left: 0; padding-left: 0; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .section { padding: 48px 0; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 40px; padding-bottom: 40px; min-height: 0; }
  .hero-visual { order: -1; }
  .hero-visual img { max-height: 260px; }
  .hero-points { grid-template-columns: 1fr; }
  .pgrid--4, .pgrid--3 { grid-template-columns: 1fr; }
  .pcard--list { flex-direction: column; }
  .pcard--list .pcard-img { width: 100%; }
  .pcard--list .pcard-body { grid-template-columns: 1fr; }
  .pcard--list .btn { grid-column: 1; grid-row: auto; width: 100%; }
  .cta-pair, .prod-band { grid-template-columns: 1fr; }
  .prod-points { grid-template-columns: 1fr; }
  .fields, .help-box .is-compact .fields { grid-template-columns: 1fr; }
  .panel { padding: 22px 18px; }
  .sel-list li { grid-template-columns: 56px 1fr; }
  .sel-list li .btn { grid-column: 1 / -1; }
  .doclist li, .doctable li { flex-wrap: wrap; }
  .doc-size { text-align: left; }
  .sortf { margin-left: 0; width: 100%; }
  .strip-row { grid-template-columns: 1fr; }
  .strip-row li { border-left: 0; padding-left: 0; }
  .logo-text strong { font-size: 1.1rem; }
  .btn-cta { font-size: .8rem; }
  .help-box { padding: 22px 18px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media print { .site-header, .site-footer, .filters, .lead-form { display: none; } }

/* ================= v2: product page, about, contacts ================= */
.rule { display: inline-block; width: 44px; height: 2px; background: var(--lime-d); vertical-align: middle; margin-left: 14px; }
.section-alt { background: #eceee9; }
.btn-dark { background: var(--bg-dark); color: #fff; }
.btn-dark:hover { background: #26404a; }
.round { width: 52px; height: 52px; border-radius: 50%; display: inline-grid; place-items: center; flex: none; border: 1px solid rgba(213, 234, 69, .45); color: var(--lime); background: rgba(255, 255, 255, .04); }
.lime-bg { background: var(--lime); color: #111B20; border-color: var(--lime); }
.pgrid--3 { grid-template-columns: repeat(auto-fill, minmax(205px, 1fr)); }
.badge { position: absolute; top: 12px; left: 12px; background: var(--lime); color: #111B20; font-size: .72rem; font-weight: 800; padding: 3px 10px; border-radius: 12px; }
.pcard-img { position: relative; }

/* product hero */
.phero { background: var(--bg-dark) var(--hero-bg, url("/assets/img/bg-hero.svg")) center/cover no-repeat; color: #fff; position: relative; }
.phero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(17, 27, 32, .55), rgba(17, 27, 32, .1)); }
.phero-grid { position: relative; display: grid; grid-template-columns: 1.3fr .8fr 340px; gap: 28px; align-items: center; padding-top: 28px; padding-bottom: 36px; }
.phero .crumbs ol { margin-bottom: 26px; }
.phero h1 { font-size: clamp(1.7rem, 2.9vw, 2.6rem); margin-bottom: 6px; }
.phero-sub { font-size: clamp(1.1rem, 1.8vw, 1.5rem); font-weight: 600; color: #e8eef0; margin: 0 0 14px; max-width: 460px; }
.phero-text { color: #cfd8db; max-width: 460px; }
.phero-points { list-style: none; padding: 0; margin: 26px 0 0; display: flex; gap: 22px; flex-wrap: wrap; }
.phero-points li { display: flex; align-items: center; gap: 12px; font-size: .82rem; max-width: 190px; color: #dfe7e9; }
.phero-visual { position: relative; display: grid; place-items: center; }
.phero-visual img { max-height: 400px; width: auto; position: relative; z-index: 1; filter: drop-shadow(0 18px 28px rgba(0, 0, 0, .5)); }
.phero-visual .dim-v { left: 18%; }
.phero-panel dl { margin: 0 0 18px; }
.phero-panel dl div { padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.phero-panel dt { font-size: .8rem; color: #aebabf; }
.phero-panel dd { margin: 2px 0 0; font-size: 1.3rem; font-weight: 800; }
.phero-panel .btn { margin-bottom: 10px; }
.tabs { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 76px; z-index: 20; }
.tabs .wrap { display: flex; gap: 30px; overflow-x: auto; }
.tabs a { padding: 16px 0 13px; text-decoration: none; font-weight: 700; font-size: .9rem; color: var(--text-2); border-bottom: 3px solid transparent; white-space: nowrap; }
.tabs a:hover, .tabs a.is-on { color: var(--text); border-color: var(--lime); }
.product-layout { display: grid; grid-template-columns: minmax(0, 1fr) 350px; gap: 40px; align-items: start; }
.pblock { padding-bottom: 40px; margin-bottom: 40px; border-bottom: 1px solid var(--line); scroll-margin-top: 140px; }
.pblock:last-child { border-bottom: 0; }
.desc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.feat { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 18px; }
.feat li { display: flex; gap: 16px; align-items: flex-start; }
.feat .round { border-color: var(--line); color: #43540a; background: #fff; width: 48px; height: 48px; }
.feat b { display: block; }
.feat span { color: var(--text-2); font-size: .88rem; }
.desc-photo { margin: 0; background: linear-gradient(180deg, #2a3a40, #15222a); border-radius: 8px; padding: 18px; display: grid; place-items: center; min-height: 340px; }
.desc-photo img { max-height: 420px; width: auto; filter: drop-shadow(0 14px 24px rgba(0, 0, 0, .5)); }
.desc-photo figcaption { color: #aebabf; font-size: .78rem; text-align: center; margin-top: 8px; }
.variants { margin-top: 28px; }
.variants h3 { font-size: 1rem; }
.variants ul { list-style: none; padding: 0; margin: 10px 0 0; display: flex; gap: 8px; flex-wrap: wrap; }
.variants a { display: inline-block; padding: 7px 14px; border: 1px solid var(--line); border-radius: 18px; background: #fff; text-decoration: none; font-weight: 700; font-size: .88rem; }
.variants a:hover { background: var(--lime); border-color: var(--lime); }
.spec-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 24px; align-items: start; }
.spec--2 { min-width: 0; font-size: .9rem; }
.spec--2 tbody th[scope=row] { width: auto; }
.spec--2 .num { text-align: right; font-weight: 700; }
.spec-photo { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 14px; text-align: center; }
.spec-photo img { max-height: 280px; width: auto; margin: 0 auto; mix-blend-mode: multiply; }
.spec-photo figcaption { font-size: .75rem; color: var(--text-2); margin-top: 8px; }
.dcards { list-style: none; padding: 0; margin: 14px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.dcards li { display: flex; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.dcards .ic { color: #43540a; }
.dcards a:not(.dl) { font-weight: 700; display: block; font-size: .92rem; }
.dl { display: inline-flex; gap: 6px; align-items: center; font-size: .85rem; font-weight: 700; margin-top: 6px; text-decoration: none; }
.product-side { position: sticky; top: 140px; display: grid; gap: 18px; }
.side-card { background: #eef0ec; border: 1px solid var(--line); border-radius: 8px; padding: 22px; }
.side-card h2 { font-size: 1.35rem; }
.side-form .lead-form .fields { grid-template-columns: 1fr; gap: 12px; margin-bottom: 12px; }
.side-help { display: flex; gap: 14px; background: #fff; border: 1px solid var(--lime); }
.side-help h3 { font-size: 1rem; margin-bottom: 6px; }
.side-help p { font-size: .85rem; color: var(--text-2); }
.side-doc { display: flex; gap: 14px; align-items: flex-start; }
.side-doc .ic { color: #43540a; }
.related-title { margin: 0; }

/* about / contacts */
.page-hero--dark { padding-bottom: 52px; }
.hero-mini--4 { margin-top: 34px; gap: 36px; }
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.about-art { background: linear-gradient(135deg, #111B20, #1f343b); border-radius: 8px; min-height: 340px; display: grid; place-items: center; gap: 12px; padding: 32px; color: #fff; position: relative; overflow: hidden; }
.about-art .brand { position: relative; z-index: 1; }
.about-art img { position: relative; z-index: 1; max-height: 220px; width: auto; }
.about-art::after { content: ""; position: absolute; inset: 0; background: var(--hero-bg, url("/assets/img/bg-hero.svg")) center/cover; opacity: .55; }
.adv { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.adv li { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 26px 22px; }
.adv .ic { color: #6f8300; margin-bottom: 14px; }
.adv h3 { margin-bottom: 6px; font-size: 1.1rem; }
.adv p { color: var(--text-2); font-size: .9rem; margin: 0; }
.dark-band { background: var(--bg-dark) var(--hero-bg, url("/assets/img/bg-hero.svg")) center/cover; color: #fff; padding: 56px 0; position: relative; }
.dark-band::before { content: ""; position: absolute; inset: 0; background: rgba(17, 27, 32, .6); }
.dark-band-row { position: relative; display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.dark-band p { color: #cfd8db; max-width: 540px; }
.band-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.band-points li { display: flex; gap: 14px; align-items: center; font-weight: 600; }
.band-points .ic { color: var(--lime); }
.contacts-hero { display: grid; grid-template-columns: 1.4fr .8fr; gap: 40px; align-items: center; }
.lead-lime { color: var(--lime) !important; font-weight: 700; font-size: 1.25rem !important; }
.hero-card { background: rgba(17, 27, 32, .78); border: 1px solid rgba(255, 255, 255, .12); border-radius: 8px; padding: 28px; }
.hero-card h2 { font-size: 1.3rem; }
.hero-card p { color: #cfd8db; font-size: .92rem; }
.info-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 24px; margin-top: 22px; }
.info-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.info-cols h3 small { font-weight: 500; color: var(--text-2); font-size: .8rem; }
.info-cols dl { margin: 12px 0 0; display: grid; gap: 4px; }
.info-cols dt { color: var(--text-2); font-size: .8rem; margin-top: 10px; }
.info-cols dd { margin: 0; font-weight: 600; }
.info-art { background: var(--bg-dark); color: #fff; border-radius: 8px; padding: 28px; display: grid; align-content: center; gap: 8px; }
.info-art .ic { color: var(--lime); }
.info-art p { color: #cfd8db; margin: 0; }
.why h2 { font-size: 1.4rem; }
.why ul { list-style: none; padding: 0; display: grid; gap: 18px; }
.why li { display: flex; gap: 16px; }
.why .ic { color: #6f8300; }
.why b { display: block; }
.why span { color: var(--text-2); font-size: .88rem; }

@media (max-width: 1180px) {
  .phero-grid { grid-template-columns: 1.2fr .8fr; }
  .phero-panel { grid-column: 1 / -1; display: grid; grid-template-columns: 2fr 1fr; gap: 24px; align-items: start; }
  .product-layout { grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; }
  .adv { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .product-layout, .about-grid, .contacts-hero, .info-grid, .dark-band-row { grid-template-columns: 1fr; }
  .product-side { position: static; }
  .tabs { top: 64px; }
  .desc-grid, .spec-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .phero-grid { grid-template-columns: 1fr; }
  .phero-visual { order: -1; } .phero-visual img { max-height: 260px; }
  .phero-panel { grid-template-columns: 1fr; }
  .adv, .info-cols { grid-template-columns: 1fr; }
  .phero-points li { max-width: none; }
}

/* product photos of different proportions (short sections and tall 110 kV units) */
.pcard-img { aspect-ratio: 1 / 1; }
.pcard-img img { width: 100%; height: 100%; max-height: none; object-fit: contain; }
.sel-list img { object-fit: contain; }
.phero-visual img, .desc-photo img, .spec-photo img { object-fit: contain; }

/* v3: card photo box has a fixed square size (image never stretches it) */
.pcard-img img { position: absolute; inset: 14px; width: calc(100% - 28px); height: calc(100% - 28px); max-height: none; display: block; object-fit: contain; }
.pcard--list .pcard-img { aspect-ratio: auto; min-height: 190px; }
.nw { white-space: nowrap; }
.pcard h3 { font-size: 1rem; line-height: 1.25; }
.filters-close { display: none; position: absolute; top: 14px; right: 14px; }
@media (max-width: 960px) { .filters-close { display: block; } }

/* v4: custom hero background that already contains the product (uploaded in the admin) */
.hero--custom { background-position: 72% center; background-size: cover; }
.hero--custom::before { background: none; }
.hero--custom .hero-grid { grid-template-columns: minmax(0, 46%) 1fr; min-height: clamp(440px, 41.7vw, 760px); padding-top: 56px; padding-bottom: 56px; }
.hero--custom .hero-visual, .hero--custom .hero-points { display: none; }
@media (max-width: 960px) {
  .hero--custom::before { background: linear-gradient(90deg, rgba(17, 27, 32, .88), rgba(17, 27, 32, .4)); }
  .hero--custom .hero-grid { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .hero--custom { background-position: 78% center; }
}