/* Металлосклад — industrial price-list: steel header band, temper-colour (побежалость) accent stripe, catalog grids, size tables. */
:root{
  --bg:#eef1f3; --surface:#ffffff; --surface-2:#e3e8ec; --ink:#16202a; --muted:#56626e; --line:#d2d9df;
  --accent:#a95a17; --accent-ink:#ffffff; --accent-soft:#f3e4d4; --steel:#1d2a36; --steel-ink:#e7ecf0; --steel-muted:#9fb0bf;
  --ok:#2f7a4a; --err:#b8322a; --ss:#3f55a8;
  --t1:#e6d395; --t2:#d4a457; --t3:#b5651d; --t4:#8a3f6e; --t5:#3f55a8; --t6:#6c9ac9;
  --f-display:"Unbounded","Arial Black",system-ui,sans-serif;
  --f-body:"Golos Text","Segoe UI",system-ui,-apple-system,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;
  --r:6px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0f151b; --surface:#17212a; --surface-2:#1f2b36; --ink:#e5eaee; --muted:#95a3b0; --line:#2a3743;
  --accent:#e08a3c; --accent-ink:#1b1006; --accent-soft:#3a2a1b; --steel:#0a0f14; --steel-ink:#e5eaee; --steel-muted:#8b9aa8;
  --ok:#5fbf83; --err:#ff8a7a; --ss:#8fb3e0; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0f151b; --surface:#17212a; --surface-2:#1f2b36; --ink:#e5eaee; --muted:#95a3b0; --line:#2a3743;
  --accent:#e08a3c; --accent-ink:#1b1006; --accent-soft:#3a2a1b; --steel:#0a0f14; --steel-ink:#e5eaee; --steel-muted:#8b9aa8;
  --ok:#5fbf83; --err:#ff8a7a; --ss:#8fb3e0; color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.55}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:25;background:var(--steel)}
img{max-width:100%}
[hidden]{display:none!important}
.wrap{max-width:1240px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3,h4{text-wrap:balance;margin:0}
h2{font-family:var(--f-display);font-weight:700;font-size:clamp(1.4rem,3vw,2rem);line-height:1.15;letter-spacing:-.01em}
p{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.eyebrow{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.mono{font-family:var(--f-mono)}
.muted{color:var(--muted)}
.fine{font-size:.8rem;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 .95rem/1 var(--f-body);padding:14px 20px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,color .15s,filter .15s}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}
.btn-ghost:hover{background:color-mix(in srgb,currentColor 10%,transparent)}
.btn-sm{padding:9px 14px;font-size:.85rem}
.btn[disabled]{opacity:.6;cursor:progress}

/* ---------- header ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--steel);color:var(--steel-ink)}
.top-in{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;padding-block:12px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--f-display);font-weight:700;font-size:1.05rem;letter-spacing:.01em;white-space:nowrap}
.logo svg{flex:none;width:28px;height:28px;color:var(--t2)}
.nav{display:flex;gap:18px;font-size:.9rem}
.nav a{text-decoration:none;color:var(--steel-muted);white-space:nowrap}
.nav a:hover{color:var(--steel-ink)}
.search-box{position:relative;flex:1 1 200px;min-width:0;max-width:340px;margin-left:auto}
.search-box input{width:100%;font:inherit;font-size:.9rem;padding:9px 12px;border-radius:var(--r);border:1px solid color-mix(in srgb,var(--steel-ink) 22%,transparent);background:color-mix(in srgb,var(--steel-ink) 8%,transparent);color:var(--steel-ink)}
.search-box input::placeholder{color:var(--steel-muted)}
.sres{position:absolute;left:0;right:0;top:calc(100% + 6px);background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 12px 32px rgba(0,0,0,.25);max-height:60vh;overflow:auto;z-index:40}
.sres a{display:block;padding:10px 14px;text-decoration:none;border-bottom:1px solid var(--line);font-size:.92rem}
.sres a:last-child{border-bottom:0}
.sres a:hover,.sres a.on{background:var(--surface-2)}
.sres small{display:block;color:var(--muted);font-size:.76rem;margin-top:2px}
.sres-none{padding:14px;font-size:.9rem;color:var(--muted)}
.top-phone{font-family:var(--f-mono);font-size:.9rem;white-space:nowrap}
.cart-link{display:inline-flex;gap:8px;align-items:center;background:var(--accent);color:var(--accent-ink);padding:9px 14px;border-radius:var(--r);text-decoration:none;font-weight:600;font-size:.9rem;white-space:nowrap}
.cart-link b{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:var(--accent-ink);color:var(--accent);font-size:.78rem}
.burger{display:none;width:40px;height:40px;border-radius:var(--r);border:1px solid color-mix(in srgb,var(--steel-ink) 22%,transparent);background:transparent;color:var(--steel-ink);font-size:1.2rem;cursor:pointer}
.temper{height:4px;background:linear-gradient(90deg,var(--t1),var(--t2) 22%,var(--t3) 42%,var(--t4) 62%,var(--t5) 80%,var(--t6))}
.catbar{background:var(--steel)}
.catbar-in{display:flex;align-items:center;gap:2px;overflow-x:auto;padding-block:6px;scrollbar-width:thin}
.catbar a{white-space:nowrap;padding:6px 10px;color:var(--steel-muted);text-decoration:none;font-size:.84rem;border-radius:4px}
.catbar a:hover{color:var(--steel-ink);background:color-mix(in srgb,var(--steel-ink) 10%,transparent)}
.catbar .sep{white-space:nowrap;padding:6px 6px 6px 14px;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--t2)}
.catbar .sep:first-child{padding-left:0}
@media (max-width:1360px){.top-phone{display:none}.search-box{max-width:260px}}
@media (max-width:1080px){
  .burger{display:inline-grid;place-items:center}
  .nav{display:none}
  .nav.open{display:flex;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:100%;z-index:30;background:var(--steel);padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));border-top:1px solid color-mix(in srgb,var(--steel-ink) 14%,transparent);box-shadow:0 12px 24px rgba(0,0,0,.3)}
  .nav.open a{padding:12px 0;border-bottom:1px solid color-mix(in srgb,var(--steel-ink) 10%,transparent);font-size:1rem}
}
@media (max-width:760px){
  .top-phone{display:none}
  .search-box{order:5;flex-basis:100%;max-width:none}
  .cart-link{margin-left:auto}
}

/* ---------- common blocks ---------- */
main{display:block}
.block{padding-block:56px}
.block.alt{background:var(--surface);border-block:1px solid var(--line)}
.block-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:16px 32px;margin-bottom:28px}
.block-head > div{min-width:0}
.block-head p.side{max-width:36em;color:var(--muted)}
.block-head .eyebrow{margin-bottom:10px}
.crumbs{display:flex;flex-wrap:wrap;gap:4px 8px;padding-block:18px 0;font-size:.84rem;color:var(--muted)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--ink);text-decoration:underline}
.crumbs span[aria-hidden]{opacity:.5}
.page-head{padding-block:14px 32px}
.page-title{font-family:var(--f-display);font-weight:700;font-size:clamp(1.6rem,4vw,2.5rem);line-height:1.1;letter-spacing:-.015em}
.lead{margin-top:14px;max-width:48em;font-size:1.05rem;color:var(--muted)}
.prose{max-width:70ch}
.prose p+p,.prose p+ul,.prose ul+p,.prose h2+p,.prose h3+p,.prose p+h2,.prose p+h3,.prose ul+h2,.prose ul+h3{margin-top:14px}
.prose h2{font-size:1.35rem}
.prose h3{font-size:1.05rem;font-weight:600}
.prose ul{margin:0;padding-left:1.2em;display:grid;gap:6px}
.empty{padding:28px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--r)}
.empty a{color:var(--accent)}

/* ---------- hero (home) ---------- */
.hero{background:var(--steel);color:var(--steel-ink)}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;padding-block:56px 64px;align-items:center}
.hero-in > div{min-width:0}
.hero h1{font-family:var(--f-display);font-weight:700;font-size:clamp(1.9rem,5vw,3.4rem);line-height:1.05;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--t2)}
.hero .eyebrow{color:var(--t2)}
.hero-lead{margin-top:20px;max-width:34em;font-size:1.08rem;color:var(--steel-muted)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px 20px;margin:32px 0 0;padding:0;list-style:none;font-size:.9rem;color:var(--steel-muted)}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts li::before{content:"";width:6px;height:6px;background:var(--t2);border-radius:1px}
.sections{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:color-mix(in srgb,var(--steel-ink) 14%,transparent);border:1px solid color-mix(in srgb,var(--steel-ink) 14%,transparent);border-radius:var(--r);overflow:hidden}
.sec{background:var(--steel);padding:18px 10px 14px;display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--steel-ink);text-decoration:none}
.sec:hover{background:color-mix(in srgb,var(--steel-ink) 6%,var(--steel))}
.sec svg{width:52px;height:52px}
.sec span{font-family:var(--f-mono);font-size:.7rem;color:var(--steel-muted);letter-spacing:.04em;text-align:center}
.sections-cap{margin-top:10px;font-family:var(--f-mono);font-size:.72rem;color:var(--steel-muted);text-align:right}
@media (max-width:900px){.hero-in{grid-template-columns:1fr;gap:32px;padding-block:40px 48px}}

/* ---------- tiles & cards ---------- */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.tile{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:grid;grid-template-columns:44px 1fr;gap:6px 14px;align-content:start;min-width:0}
.tile:hover{border-color:var(--accent)}
.tile svg{width:44px;height:44px;grid-row:span 2;color:var(--ink)}
.tile h3{font-family:var(--f-display);font-weight:500;font-size:1rem;line-height:1.25}
.tile h3 a{text-decoration:none}
.tile h3 a::after{content:"";position:absolute;inset:0}
.tile .cnt{font-family:var(--f-mono);font-size:.74rem;color:var(--muted)}
.tile ul{grid-column:1/-1;list-style:none;margin:10px 0 0;padding:10px 0 0;border-top:1px dashed var(--line);display:grid;gap:3px;font-size:.86rem;color:var(--muted)}
.tile .ss-tag{color:var(--ss)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}
.item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:grid;grid-template-columns:48px 1fr;grid-template-rows:1fr auto;gap:12px 14px;min-width:0}
.item:hover{border-color:var(--accent)}
.item .shape svg{width:48px;height:48px;color:var(--ink);opacity:.85}
.item h3{font-size:1rem;font-weight:600;line-height:1.3}
.item h3 a{text-decoration:none}
.item h3 a::after{content:"";position:absolute;inset:0}
.item .spec{margin-top:6px;font-size:.88rem;color:var(--muted)}
.item .gost{margin-top:8px;font-family:var(--f-mono);font-size:.72rem;color:var(--muted)}
.item-foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:12px;border-top:1px dashed var(--line);font-size:.84rem}
.item-foot .more{color:var(--accent);font-weight:600}
.tag{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tag.ss{color:var(--ss)}

/* ---------- product ---------- */
.p-head{display:grid;grid-template-columns:132px minmax(0,1fr) 320px;gap:28px;align-items:start;padding-block:16px 8px}
.p-icon{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);aspect-ratio:1;max-width:100%;display:grid;place-items:center}
.p-icon svg{width:62%;height:62%;color:var(--ink)}
.p-short{margin-top:12px;color:var(--muted);font-size:1.02rem;max-width:44em}
.props{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:8px 20px;margin:20px 0 0;font-size:.92rem}
.props dt{color:var(--muted)}
.props dd{margin:0}
.p-buy{background:var(--steel);color:var(--steel-ink);border-radius:var(--r);padding:24px;display:grid;gap:12px}
.p-buy .eyebrow{color:var(--t2)}
.p-price{font-family:var(--f-display);font-weight:700;font-size:1.5rem;line-height:1.1}
.p-buy p{font-size:.92rem;color:var(--steel-muted)}
.p-buy .mono{color:var(--steel-ink);font-size:1rem}
@media (max-width:1000px){.p-head{grid-template-columns:96px minmax(0,1fr)}.p-buy{grid-column:1/-1}}
@media (max-width:560px){.p-head{grid-template-columns:1fr}.p-icon{width:88px}}
.tbl-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tbl-tools input{font:inherit;font-size:.92rem;padding:9px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink);width:240px;max-width:100%}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table.sizes{width:100%;border-collapse:collapse;font-size:.92rem;font-variant-numeric:tabular-nums}
table.sizes th{text-align:left;font-weight:500;color:var(--muted);font-size:.78rem;padding:11px 14px;border-bottom:1px solid var(--line);background:var(--surface-2);white-space:nowrap}
table.sizes td{padding:8px 14px;border-bottom:1px solid var(--line);white-space:nowrap;vertical-align:middle}
table.sizes tbody tr:last-child td{border-bottom:0}
table.sizes tbody tr:hover{background:color-mix(in srgb,var(--accent) 6%,transparent)}
table.sizes .num{font-family:var(--f-mono);text-align:right}
table.sizes th.num{text-align:right}
table.sizes .sz{font-weight:600}
table.sizes .note{color:var(--muted);white-space:normal;min-width:160px}
.qty{display:flex;gap:6px;align-items:center}
.qty input{width:84px;font:.9rem var(--f-mono);padding:7px 8px;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--ink)}
.qty select{font:inherit;font-size:.88rem;padding:7px 6px;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--ink)}
.add{font:600 .84rem var(--f-body);background:var(--accent-soft);color:var(--ink);border:1px solid transparent;border-radius:var(--r);padding:8px 12px;cursor:pointer;white-space:nowrap}
.add:hover{border-color:var(--accent)}
.add.in{background:var(--accent);color:var(--accent-ink)}
.p-text{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px;align-items:start}
.use{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px}
.use li{display:grid;grid-template-columns:14px 1fr;gap:10px;font-size:.95rem}
.use li::before{content:"";width:8px;height:8px;margin-top:8px;background:var(--accent);border-radius:1px}
.svc-mini{margin-top:28px;display:grid;gap:8px;padding:18px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);font-size:.92rem}
.svc-mini a{color:var(--accent);font-weight:600}
@media (max-width:860px){.p-text{grid-template-columns:1fr}}

/* ---------- страница размера ---------- */
.p-head.sku{grid-template-columns:minmax(0,320px) minmax(0,1fr) 300px}
.sku-fig{margin:0;display:grid;gap:8px}
.draw{display:block;width:100%;height:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.draw .metal{fill:var(--ink);opacity:.88}
.draw .metal-use{color:var(--ink);opacity:.88}
.draw .hole{fill:var(--surface)}
.draw .edge{fill:var(--muted)}
.draw .rib{fill:none;stroke:var(--ink);stroke-width:3;stroke-dasharray:4 4;opacity:.7}
.draw .ring{fill:none;stroke:var(--ink);opacity:.88}
.draw .grid line{stroke:var(--ink);opacity:.85}
.draw .dim line{stroke:var(--accent);stroke-width:1.3}
.draw .dim text,.draw .cap{fill:var(--accent);font:500 13px var(--f-mono)}
.draw .cap.muted{fill:var(--muted)}
.p-buy table.sizes{background:transparent;font-size:.9rem}
.p-buy table.sizes td{padding:0 8px 0 0;border:0;white-space:normal}
.p-buy table.sizes tbody tr:hover{background:transparent}
.p-buy .eyebrow a{color:inherit}
.p-head .eyebrow a{color:inherit;text-decoration:none}
.p-head .eyebrow a:hover{text-decoration:underline}
.sku-near{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.sku-near li a,.sku-near li b{display:inline-block;padding:6px 10px;border:1px solid var(--line);border-radius:999px;font:500 .84rem var(--f-mono);text-decoration:none}
.sku-near li b{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.sku-near li a:hover{border-color:var(--accent)}
table.sizes td.sz a{color:inherit;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px}
table.sizes td.sz a:hover{text-decoration-color:var(--accent)}
table.sizes td.price{color:var(--ink)}
@media (max-width:1000px){.p-head.sku{grid-template-columns:minmax(0,260px) minmax(0,1fr)}}
@media (max-width:640px){.p-head.sku{grid-template-columns:1fr}.sku-fig{max-width:360px}}

/* ---------- services / steps / lists ---------- */
.svc{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 16px}
.svc article{border-top:3px solid var(--ink);padding-top:16px;display:grid;gap:8px;align-content:start}
.svc h3{font-size:1.05rem;font-weight:600}
.svc p{font-size:.92rem;color:var(--muted)}
.svc .mono{font-size:.74rem;color:var(--accent)}
@media (max-width:900px){.svc{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.svc{grid-template-columns:1fr}}
.steps{display:grid;grid-template-columns:repeat(4,1fr);counter-reset:s;list-style:none;padding:0;margin:0;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.steps li{padding:22px;border-left:1px solid var(--line);display:grid;gap:8px;align-content:start}
.steps li:first-child{border-left:0}
.steps li::before{counter-increment:s;content:"Шаг " counter(s);font-family:var(--f-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.steps b{font-weight:600}
.steps span{font-size:.9rem;color:var(--muted)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}.steps li:nth-child(3){border-left:0}.steps li:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:480px){.steps{grid-template-columns:1fr}.steps li{border-left:0}.steps li+li{border-top:1px solid var(--line)}}
.two{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.two > div{min-width:0}
.list{list-style:none;padding:0;margin:16px 0 0}
.list li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.list li span:last-child{color:var(--muted);text-align:right}
@media (max-width:800px){.two{grid-template-columns:1fr}}
.cta-band{background:var(--steel);color:var(--steel-ink)}
.cta-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding-block:40px}
.cta-in h2{color:var(--steel-ink)}
.cta-in p{color:var(--steel-muted);margin-top:8px}

/* ---------- calculator ---------- */
.calc{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start}
.calc-form{display:grid;gap:18px;min-width:0}
.shapes{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.shapes button{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 4px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:var(--r);cursor:pointer;font:500 .75rem var(--f-body)}
.shapes button svg{width:30px;height:30px}
.shapes button[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:.82rem;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:.95rem;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);color:var(--ink)}
.field input[type="number"]{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.result{background:var(--steel);color:var(--steel-ink);border-radius:var(--r);padding:28px;display:grid;gap:20px}
.result .eyebrow{color:var(--t2)}
.result .big{font-family:var(--f-display);font-weight:700;font-size:clamp(2rem,4.5vw,3rem);line-height:1;font-variant-numeric:tabular-nums}
.result .big small{font-size:.45em;font-weight:500;color:var(--steel-muted);margin-left:6px}
.result dl{display:grid;grid-template-columns:1fr auto;gap:8px 16px;margin:0;font-size:.92rem}
.result dt{color:var(--steel-muted)}
.result dd{margin:0;font-family:var(--f-mono);font-variant-numeric:tabular-nums;text-align:right}
.result .formula{font-family:var(--f-mono);font-size:.74rem;color:var(--steel-muted);border-top:1px solid color-mix(in srgb,var(--steel-ink) 18%,transparent);padding-top:14px}
.result .btn-ghost{color:var(--steel-ink)}
@media (max-width:900px){.calc{grid-template-columns:1fr}.shapes{grid-template-columns:repeat(3,1fr)}}

/* ---------- cart ---------- */
.cart-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);gap:32px;align-items:start}
table.cart td.c-n{white-space:normal;min-width:220px}
table.cart td.c-n a{text-decoration:none;font-weight:500}
table.cart td.c-n a:hover{text-decoration:underline}
.del{width:32px;height:32px;border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:1.15rem;border-radius:4px}
.del:hover{color:var(--ink);background:var(--surface-2)}
.cart-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:14px}
.cart-sum{font-family:var(--f-mono);font-size:.9rem}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:grid;gap:14px}
.form h2{font-size:1.3rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checks{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:.92rem}
.checks label{display:flex;gap:8px;align-items:center;cursor:pointer}
.checks input{accent-color:var(--accent);width:18px;height:18px}
.err{color:var(--err);font-size:.86rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.done{display:grid;gap:12px}
.done h3{font-family:var(--f-display);font-size:1.25rem;color:var(--ok)}
.done textarea{width:100%;min-height:160px;font:.8rem/1.5 var(--f-mono);padding:12px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);color:var(--ink);resize:vertical}
@media (max-width:960px){.cart-grid{grid-template-columns:1fr}}
@media (max-width:520px){.form .row{grid-template-columns:1fr}}

/* ---------- contacts, sitemap ---------- */
.contacts{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.contacts div{display:grid;gap:6px;align-content:start;min-width:0}
.contacts .k{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.contacts .v{font-size:1.05rem;font-weight:500;overflow-wrap:anywhere}
@media (max-width:900px){.contacts{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.contacts{grid-template-columns:1fr}}
.smap{columns:3 280px;column-gap:32px}
.smap section{break-inside:avoid;margin-bottom:24px}
.smap h2{font-size:1.05rem;font-family:var(--f-body);font-weight:600;margin-bottom:8px}
.smap h3{font-size:.95rem;font-weight:600;margin:10px 0 4px}
.smap ul{list-style:none;margin:0;padding:0;display:grid;gap:3px;font-size:.9rem}
.smap a{color:var(--muted);text-decoration:none}
.smap a:hover{color:var(--accent);text-decoration:underline}

/* ---------- footer ---------- */
footer{background:var(--steel);color:var(--steel-muted);font-size:.88rem;margin-top:0}
.f-cols{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:28px;padding-block:44px 24px}
.f-cols > div{min-width:0}
footer h4{color:var(--steel-ink);font-family:var(--f-mono);font-size:.74rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;margin:0 0 12px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
footer a{color:var(--steel-muted);text-decoration:none}
footer a:hover{color:var(--steel-ink)}
footer .f-phone{font-family:var(--f-mono);color:var(--steel-ink);font-size:1.05rem}
.f-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:18px;border-top:1px solid color-mix(in srgb,var(--steel-ink) 12%,transparent);font-size:.8rem}
@media (max-width:900px){.f-cols{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.f-cols{grid-template-columns:1fr}}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(env(safe-area-inset-bottom,0px) + 20px);z-index:50;background:var(--ink);color:var(--bg);padding:11px 16px;border-radius:var(--r);font-size:.9rem;max-width:calc(100% - 32px);box-shadow:0 8px 24px rgba(0,0,0,.25)}