/* Layout: «лист чертежа» — тёмная шапка с инженерной сеткой и чертежом лесов, светлые листы-спецификации, размерные линии и моноширинные подписи как фирменная деталь */
:root{
  --bg:#F4F6FA; --surface:#FFFFFF; --surface-2:#EEF1F6; --fg:#14213D; --muted:#4A5568; --line:#DDE2EA; --line-strong:#B9C2D0;
  --accent:#F28C28; --accent-hover:#E07A16; --accent-fg:#A9550A; --on-accent:#14213D;
  --band:#14213D; --band-2:#0C1530; --band-fg:#F4F6FA; --band-muted:#C3CCDC; --band-line:#2E3F63; --band-grid:rgba(255,255,255,.045);
  --grid:rgba(20,33,61,.06); --ok:#1C7F52; --danger:#B3261E; --shadow:0 24px 64px rgba(8,16,32,.28);
  --f-display:"Unbounded","Golos Text",system-ui,sans-serif;
  --f-body:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:4px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0B1222; --surface:#121B30; --surface-2:#18233B; --fg:#E7ECF5; --muted:#A6B0C3; --line:#26324D; --line-strong:#3A4868;
  --accent:#F28C28; --accent-hover:#F59D45; --accent-fg:#F6A75A; --on-accent:#14213D;
  --band:#101A31; --band-2:#070E1C; --band-fg:#F4F6FA; --band-muted:#B7C1D4; --band-line:#2A3A5C; --band-grid:rgba(255,255,255,.04);
  --grid:rgba(231,236,245,.05); --ok:#43B581; --danger:#F2867E; --shadow:0 24px 64px rgba(0,0,0,.5);
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0B1222; --surface:#121B30; --surface-2:#18233B; --fg:#E7ECF5; --muted:#A6B0C3; --line:#26324D; --line-strong:#3A4868;
  --accent:#F28C28; --accent-hover:#F59D45; --accent-fg:#F6A75A; --on-accent:#14213D;
  --band:#101A31; --band-2:#070E1C; --band-fg:#F4F6FA; --band-muted:#B7C1D4; --band-line:#2A3A5C; --band-grid:rgba(255,255,255,.04);
  --grid:rgba(231,236,245,.05); --ok:#43B581; --danger:#F2867E; --shadow:0 24px 64px rgba(0,0,0,.5);
  color-scheme:dark}

[hidden]{display:none!important}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--fg);font:400 16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;text-wrap:balance}
p{margin:0}
h1{font:700 clamp(28px,3.9vw,50px)/1.14 var(--f-display);letter-spacing:-.01em}
h2{font:700 clamp(23px,2.6vw,34px)/1.2 var(--f-display);letter-spacing:-.005em}
h3{font:600 19px/1.3 var(--f-body)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:1240px;margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}
.eyebrow{display:block;font:500 12px/1.4 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-fg);margin-bottom:14px}
.band .eyebrow{color:var(--accent)}
.muted{color:var(--muted)}
.nw{white-space:nowrap}
.ph{font-family:var(--f-mono);color:var(--accent-fg);letter-spacing:.04em;white-space:nowrap}
.band .ph{color:var(--accent)}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--accent);color:var(--on-accent);padding:10px 16px;border-radius:var(--r)}
.skip:focus{left:16px}

/* Кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:var(--r);font:600 15px/1.1 var(--f-body);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s;text-align:center}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover{background:var(--accent-hover)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}
.btn-ghost:hover{background:color-mix(in srgb,currentColor 9%,transparent)}
.btn-dark{background:var(--fg);color:var(--bg)}
.btn-dark:hover{background:color-mix(in srgb,var(--fg) 85%,var(--bg))}
.btn-sm{min-height:40px;padding:0 14px;font-size:14px}
.link-arrow{font-weight:600;color:var(--accent-fg);text-decoration:none;white-space:nowrap}
.link-arrow:hover{text-decoration:underline}
.band .link-arrow{color:var(--accent)}

/* Шапка */
.topbar{background:var(--band-2);color:var(--band-muted);font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px}
.topbar a{color:var(--band-fg);text-decoration:none}
.topbar a:hover{text-decoration:underline}
.topbar-r{display:flex;align-items:center;gap:20px}
.topbar .tel{font:600 14px var(--f-body);color:var(--band-fg);letter-spacing:.01em}
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;gap:20px;min-height:72px;position:relative}
.nav{display:flex;gap:2px;margin-inline:auto}
.nav a{padding:8px 10px;border-radius:var(--r);text-decoration:none;font-weight:500;font-size:15px;color:var(--fg);white-space:nowrap}
.nav a:hover{background:var(--surface-2)}
.nav a[aria-current="page"]{color:var(--accent-fg);box-shadow:inset 0 -2px 0 var(--accent);border-radius:0}
.burger{display:none;width:48px;height:48px;align-items:center;justify-content:center;border:1px solid var(--line-strong);border-radius:var(--r);background:transparent;color:var(--fg);cursor:pointer;margin-left:auto}
.burger svg{width:22px;height:22px}
@media (max-width:1199px){
  .hdr .btn-cta{margin-left:auto}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:8px clamp(16px,4vw,32px) 16px;box-shadow:0 12px 24px rgba(8,16,32,.08)}
  .nav.open{display:flex}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--line);border-radius:0;font-size:16px}
  .nav a[aria-current="page"]{box-shadow:none}
  .burger{display:inline-flex;margin-left:0}
}
@media (max-width:760px){.topbar{display:none}.hdr .btn-cta{display:none}.burger{margin-left:auto}}
@media (max-width:1040px){.topbar-l{display:none}.topbar .wrap{justify-content:flex-end}}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.bom th.r{text-align:right}

/* Логотип: вариант 4 */
.logo{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--fg);flex:none}
.logo-sks{font:800 29px/1 var(--f-display);letter-spacing:.01em}
.logo-bar{width:4px;height:30px;background:var(--accent);flex:none}
.logo-txt{display:flex;flex-direction:column;gap:4px}
.logo-grp{font:700 14px/1 var(--f-body);letter-spacing:.42em;text-transform:uppercase}
.logo-sub{font:600 9.5px/1.25 var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.site-footer .logo{color:var(--band-fg)}
.site-footer .logo-sub{color:var(--band-muted)}

/* Тёмная полоса с инженерной сеткой */
.band{background:var(--band);color:var(--band-fg);position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--band-grid) 1px,transparent 1px),linear-gradient(90deg,var(--band-grid) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}
.band > .wrap{position:relative}
.band p.lead{color:var(--band-muted)}

/* Главный экран */
.hero{padding-block:clamp(40px,6vw,84px) clamp(40px,5vw,72px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:clamp(28px,4vw,56px);align-items:center}
.hero p.lead{font-size:18px;max-width:54ch;margin-top:20px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.specs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:44px;border-top:1px solid var(--band-line)}
.spec{padding:18px 16px 0 0}
.spec + .spec{padding-left:16px;border-left:1px solid var(--band-line)}
.spec b{display:block;font:700 18px/1.15 var(--f-display);color:var(--band-fg)}
.spec span{display:block;margin-top:8px;font-size:13px;line-height:1.45;color:var(--band-muted)}
.drw{display:block;width:100%;height:auto}
.drw .w{fill:none;stroke:var(--band-line);stroke-width:1.5}
.drw .g{fill:none;stroke:var(--band-muted);stroke-width:2}
.drw .st{fill:none;stroke:var(--band-fg);stroke-width:3;stroke-linecap:round}
.drw .dk{fill:none;stroke:var(--band-muted);stroke-width:6;stroke-linecap:butt}
.drw .dg{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round}
.drw .nd{fill:var(--accent)}
.drw .dm{fill:none;stroke:var(--band-muted);stroke-width:1.2}
.drw .tx{fill:var(--band-muted);font:500 13px var(--f-mono)}
.drw .txa{fill:var(--accent);font:600 13px var(--f-mono)}
.drw .nt{fill:none;stroke:var(--accent);stroke-width:1.2;opacity:.85}
.drw .tk{fill:var(--band);stroke:var(--band-fg);stroke-width:2.5}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-art{max-width:560px}}
@media (max-width:640px){.specs{grid-template-columns:repeat(2,minmax(0,1fr))}.spec:nth-child(3){padding-left:0;border-left:0}.spec:nth-child(n+3){border-top:1px solid var(--band-line);margin-top:18px}}

/* Внутренние страницы */
.page-hero{padding-block:clamp(36px,5vw,64px)}
.crumbs{font:500 12.5px/1.4 var(--f-mono);color:var(--band-muted);display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.crumbs a{color:var(--band-muted)}
.crumbs a:hover{color:var(--band-fg)}
.page-hero p.lead{margin-top:16px;max-width:62ch;font-size:18px}
.page-hero .actions{margin-top:26px}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px;align-items:center}
@media (max-width:900px){.page-hero-grid{grid-template-columns:1fr}}

/* Секции */
.section{padding-block:clamp(52px,7vw,96px)}
.section.tight{padding-block:clamp(40px,5vw,64px)}
.alt{background:var(--surface);border-block:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px 32px;flex-wrap:wrap;margin-bottom:36px}
.section-head > div{max-width:720px;min-width:0}
.section-head p{color:var(--muted);margin-top:12px;max-width:62ch}

/* Преимущества: таблица-спецификация */
.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.feature{background:var(--surface);padding:28px;display:flex;flex-direction:column;gap:10px;min-width:0}
.feature svg{width:30px;height:30px;stroke:var(--accent-fg);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin-bottom:6px}
.feature p{color:var(--muted);font-size:15px}
@media (max-width:900px){.features{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.features{grid-template-columns:1fr}}

/* Иллюстрации товаров */
.ill{display:block;background-color:var(--surface-2);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:20px 20px;background-position:-1px -1px;color:var(--fg);aspect-ratio:10/7;max-width:100%}
.ill svg{display:block;width:100%;height:100%;padding:8% 10%}
.ill .s{fill:none;stroke:currentColor;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.ill .m{fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round}
.ill .t{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;opacity:.5}
.ill .a{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.ill .an{fill:none;stroke:var(--accent);stroke-width:1.4;opacity:.9}
.ill .af{fill:var(--accent);stroke:none}
.ill .p{fill:var(--surface);stroke:currentColor;stroke-width:3;stroke-linejoin:round}
.ill .pa{fill:var(--surface);stroke:var(--accent);stroke-width:4;stroke-linejoin:round}
.ill .dt{fill:currentColor;opacity:.45}

/* Плитки каталога на главной */
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.tile{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;transition:border-color .15s}
.tile:hover{border-color:var(--accent)}
.tile .ill{border-bottom:1px solid var(--line)}
.tile-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px}
.tile h3{font-size:17px}
.meta{font:500 12.5px/1.45 var(--f-mono);color:var(--muted)}
@media (max-width:1000px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.tiles{grid-template-columns:1fr}}

/* Каталог */
.cat-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.search{position:relative;flex:1 1 300px;min-width:0}
.search svg{position:absolute;left:14px;top:50%;width:20px;height:20px;transform:translateY(-50%);stroke:var(--muted);fill:none;stroke-width:2}
.search input{width:100%;height:50px;padding:0 16px 0 44px;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--surface);color:var(--fg);font:inherit;font-size:16px}
.search input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--line-strong);border-radius:999px;background:var(--surface);color:var(--fg);font:500 14px var(--f-body);text-decoration:none;cursor:pointer}
.chip:hover{border-color:var(--fg)}
.chip[aria-current="page"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.chip small{font:500 12px var(--f-mono);opacity:.7;margin-left:4px}
.cat-group{margin-top:48px}
.cat-group > header{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;padding-bottom:14px;border-bottom:2px solid var(--fg)}
.cat-group h2{font-size:clamp(20px,2.2vw,26px)}
.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px}
.product{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;min-width:0}
.product .ill{border-bottom:1px solid var(--line)}
.product-body{padding:18px;display:flex;flex-direction:column;gap:12px;flex:1}
.product h3{font-size:18px}
.product .desc{color:var(--muted);font-size:14.5px;line-height:1.5}
.product dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:5px 14px;font:13px/1.45 var(--f-mono)}
.product dt{color:var(--muted)}
.product dd{margin:0}
.product-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:14px;border-top:1px dashed var(--line-strong)}
.price{font:600 17px/1.2 var(--f-body);font-variant-numeric:tabular-nums}
.price small{font-weight:400;font-size:13px;color:var(--muted)}
.empty{margin-top:40px;padding:32px;border:1px dashed var(--line-strong);border-radius:var(--r);text-align:center;display:grid;gap:14px;justify-items:center}
@media (max-width:1000px){.products{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.products{grid-template-columns:1fr}.cat-tools .chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-16px;padding:2px 16px;scroll-padding-inline:16px}.cat-tools .chips::-webkit-scrollbar{display:none}.chip{flex:none}}

/* Шаги */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;list-style:none;padding:0;margin:0}
.step{padding-top:18px;border-top:2px solid var(--fg);min-width:0}
.step .n{display:block;font:500 13px var(--f-mono);color:var(--accent-fg)}
.step h3{margin-top:10px}
.step p{margin-top:8px;color:var(--muted);font-size:15px}
.steps.s3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.steps,.steps.s3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.steps,.steps.s3{grid-template-columns:1fr}}

/* Промо-полоса */
.promo{padding-block:clamp(48px,6vw,88px)}
.promo-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:center}
.promo p.lead{margin-top:16px;font-size:17px;max-width:56ch}
.ticks{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.ticks li{display:grid;grid-template-columns:14px 1fr;gap:12px;align-items:baseline}
.ticks li::before{content:"";width:10px;height:10px;background:var(--accent);transform:translateY(-1px)}
.band .ticks li{color:var(--band-fg)}
@media (max-width:900px){.promo-grid{grid-template-columns:1fr}}

/* Карточки */
.cards3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cards2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card p{color:var(--muted)}
.card .btn,.card .link-arrow{margin-top:auto;align-self:flex-start}
.card .kicker{font:500 12px var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--accent-fg)}
.card.dark{background:var(--band);color:var(--band-fg);border-color:var(--band)}
.card.dark p{color:var(--band-muted)}
.card.dark .kicker{color:var(--accent)}
@media (max-width:900px){.cards3{grid-template-columns:1fr}.cards2{grid-template-columns:1fr}}

/* Текстовые блоки */
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:900px){.two{grid-template-columns:1fr}}
.prose{max-width:68ch}
.prose p + p{margin-top:14px}
.prose h2 + p{margin-top:16px}
.ticks.dark li::before{background:var(--accent)}
.note{padding:18px 20px;border:1px dashed var(--line-strong);border-radius:var(--r);color:var(--muted);font-size:14.5px}
.kv{width:100%;border-collapse:collapse;font-size:15px}
.kv th,.kv td{text-align:left;padding:13px 0;border-bottom:1px solid var(--line);vertical-align:top}
.kv th{width:42%;font:500 12.5px/1.6 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-right:16px}
.table-wrap{overflow-x:auto;max-width:100%}
.kv.sys{min-width:760px}
.kv.sys th{width:auto;padding-right:18px}
.kv.sys td{padding-right:18px}
.kv.sys td:last-child{color:var(--muted)}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:18px 0;font-weight:600;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:500 22px/1 var(--f-mono);color:var(--accent-fg)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 18px;color:var(--muted);max-width:70ch}
.transport{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.transport div{background:var(--surface);padding:22px;display:grid;gap:8px;align-content:start}
.transport b{font-size:16px}
.transport span{font-size:14px;color:var(--muted)}
@media (max-width:1000px){.transport{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.transport{grid-template-columns:1fr}}

/* Заявка */
.lead-sec{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:start}
.lead-sec > div > p{color:var(--muted);margin-top:14px;max-width:46ch}
.contact-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:0;border-top:1px solid var(--line)}
.contact-list li{display:grid;grid-template-columns:116px minmax(0,1fr);gap:12px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--line)}
.contact-list .k{font:500 12px var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.contact-list .v{font-weight:600;overflow-wrap:anywhere}
.contact-list .v a{text-decoration:none}
.contact-list .v a:hover{text-decoration:underline}
@media (max-width:900px){.lead-sec{grid-template-columns:1fr}}
form.lead{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,3vw,32px)}
.form-body{display:grid;gap:16px}
.row2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
@media (max-width:560px){.row2{grid-template-columns:1fr}}
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:14px;font-weight:600}
.field label .opt{font-weight:400;color:var(--muted)}
.field input,.field textarea,.field select{width:100%;min-height:48px;padding:11px 14px;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--bg);color:var(--fg);font:inherit;font-size:16px}
.field textarea{min-height:104px;resize:vertical;line-height:1.5}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
.consent{display:grid;grid-template-columns:22px 1fr;gap:10px;align-items:start;font-size:13.5px;color:var(--muted);line-height:1.5}
.consent input{width:20px;height:20px;margin:1px 0 0;accent-color:var(--accent)}
.consent a{color:var(--fg)}
.form-err{color:var(--danger);font-size:14px;font-weight:500}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.form-foot .muted{font-size:13.5px}
.form-state{display:grid;gap:14px}
.form-state h3{font:700 20px/1.3 var(--f-display)}
.form-state p{color:var(--muted)}
.form-state textarea{width:100%;min-height:120px;padding:12px 14px;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--bg);color:var(--fg);font:13.5px/1.5 var(--f-mono);resize:vertical}
.form-state .actions{margin-top:4px}
.ok-mark{width:44px;height:44px;border-radius:50%;background:color-mix(in srgb,var(--ok) 14%,transparent);color:var(--ok);display:grid;place-items:center}
.ok-mark svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2.5}

/* Модальное окно */
dialog.modal{border:0;padding:0;border-radius:var(--r);background:var(--surface);color:var(--fg);width:min(580px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;box-shadow:var(--shadow)}
dialog.modal::backdrop{background:rgba(7,14,28,.62)}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:26px 26px 0}
.modal-head h2{font-size:22px}
.modal-head p{color:var(--muted);margin-top:8px;font-size:15px}
.modal form.lead{border:0;background:transparent;padding:20px 26px 26px}
.x{flex:none;width:44px;height:44px;display:grid;place-items:center;border:0;background:transparent;color:var(--fg);cursor:pointer;border-radius:var(--r);margin:-8px -10px 0 0}
.x:hover{background:var(--surface-2)}
.x svg{width:22px;height:22px;stroke:currentColor;stroke-width:2}

/* Калькулятор */
.calc{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:24px;align-items:start}
.calc-in{display:grid;gap:18px}
.calc-in .hint{font-size:13.5px;color:var(--muted)}
.calc-out{background:var(--band);color:var(--band-fg);border-radius:var(--r);padding:clamp(22px,3vw,32px);position:relative;overflow:hidden}
.calc-out .eyebrow{color:var(--accent)}
.big{font:700 clamp(38px,5vw,58px)/1 var(--f-display);font-variant-numeric:tabular-nums;white-space:nowrap}
.big small{font:600 20px var(--f-body);color:var(--band-muted);margin-left:6px}
.calc-sub{margin-top:12px;color:var(--band-muted);font-size:15px}
.bom{width:100%;border-collapse:collapse;margin-top:22px;font:14px/1.4 var(--f-mono)}
.bom th{font:500 11.5px var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--band-muted);text-align:left;padding:0 0 8px;border-bottom:1px solid var(--band-line)}
.bom td{padding:10px 0;border-bottom:1px solid var(--band-line);color:var(--band-muted)}
.bom td.q{text-align:right;color:var(--band-fg);font-variant-numeric:tabular-nums;white-space:nowrap}
.calc-price{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:20px;padding-top:16px;border-top:1px dashed var(--band-line);font-size:15px}
.calc-price b{font-size:18px}
.calc-out .actions{margin-top:22px}
.calc-out .fine{margin-top:16px;font-size:13px;color:var(--band-muted)}
@media (max-width:900px){.calc{grid-template-columns:1fr}}

/* Подвал */
.site-footer{background:var(--band-2);color:var(--band-muted);padding-block:56px 28px;font-size:14px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.f-about p{margin-top:16px;max-width:36ch}
.site-footer h4{font:500 12px/1.4 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--band-fg);margin:0 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer a{color:var(--band-muted);text-decoration:none}
.site-footer a:hover{color:var(--band-fg);text-decoration:underline}
.f-tel{font:600 18px var(--f-body);color:var(--band-fg)!important}
.f-bottom{margin-top:44px;padding-top:20px;border-top:1px solid var(--band-line);display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;font-size:13px}
@media (max-width:900px){.f-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.f-grid{grid-template-columns:1fr}}

/* Нижняя панель на телефоне */
.mbar{display:none}
@media (max-width:760px){
  .mbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--surface);border-top:1px solid var(--line);padding:8px 8px calc(8px + env(safe-area-inset-bottom,0px))}
  .mbar .btn{min-height:48px;padding:0 8px;font-size:14px}
  body{padding-bottom:72px}
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}