:root{--bg:#ffffff;--soft:#f6f4f0;--ink:#1f2328;--head:#14181d;--mut:#5a6470;--line:#e1e4e8;--line-d:#c7ccd2;--acc:#bf5412;--acc-d:#9c430d;--acc-l:#fcefe4;--info:#2b6a99;--info-l:#e9f1f8;--err:#b3261e;--focus:#2b6a99;--r:10px;--maxw:1120px;--dark:#2a2d33;--foot:#17191d;--hero:linear-gradient(180deg,#f6f2ea 0%,#ffffff 100%);--font:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.65 var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
img{height:auto;display:block}
a{color:var(--acc-d);text-underline-offset:2px}
a:hover{color:var(--acc)}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .6em;color:var(--head)}
h1{font-size:clamp(1.65rem,3.2vw,2.35rem);letter-spacing:-.01em}
h2{font-size:clamp(1.3rem,2.2vw,1.65rem)}
h3{font-size:1.12rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.3em}
li{margin:.25em 0}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.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(--acc);color:#fff;padding:.5rem 1rem;z-index:100}
.skip:focus{left:8px;top:8px;color:#fff}
.ic{width:1.2em;height:1.2em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.22em;flex:none}
.meta{color:var(--mut);font-size:.88rem}
.chip{display:inline-block;padding:.12rem .6rem;border-radius:99px;background:var(--acc-l);color:var(--acc-d);font-size:.8rem;font-weight:600}

/* шапка и меню */
.hd{background:var(--bg);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--head)}
.brand:hover{color:var(--head)}
.brand .logo{width:42px;height:42px;flex:none}
.brand-t{font-weight:700;font-size:1.15rem;line-height:1.1;letter-spacing:.01em}
.brand-t small{display:block;font-weight:400;font-size:.72rem;color:var(--mut);letter-spacing:0;margin-top:3px;max-width:15em}
.nav{display:flex;gap:2px;flex-wrap:wrap;justify-content:flex-end}
.nav a{padding:.5rem .7rem;border-radius:8px;color:var(--ink);text-decoration:none;font-size:.95rem}
.nav a:hover{background:var(--soft);color:var(--ink)}
.nav a[aria-current]{color:var(--acc-d);background:var(--acc-l);font-weight:600}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line-d);border-radius:10px;background:var(--bg);color:var(--ink);cursor:pointer}
.nav-toggle .ic{width:1.5em;height:1.5em}
@media(max-width:900px){
 .nav-toggle{display:inline-flex}
 .js .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);flex-direction:column;border-bottom:1px solid var(--line);padding:8px 16px 16px;box-shadow:0 14px 24px rgba(0,0,0,.08)}
 .js .nav.open{display:flex}
 .nav a{padding:.8rem .6rem;font-size:1rem}
 .brand-t small{display:none}
}

/* хлебные крошки и заголовок страницы */
.crumbs{font-size:.88rem;color:var(--mut);padding:14px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:2px 0;padding:0;margin:0}
.crumbs li{margin:0}
.crumbs li+li::before{content:"/";margin:0 .55em;color:#9aa3ad}
.crumbs a{color:var(--mut)}
.pagehead{padding:10px 0 18px}
.pagehead p.lead{font-size:1.08rem;color:var(--mut);max-width:46em;margin:0}

/* главный экран */
.hero{background:var(--hero)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;padding:46px 0}
.hero p.lead{font-size:1.12rem;color:var(--mut);max-width:34em}
.hero-art svg,.hero-art img{width:100%;height:auto;display:block}
.btn{display:inline-flex;align-items:center;gap:.5em;padding:.72rem 1.2rem;border-radius:var(--r);background:var(--acc);color:#fff;text-decoration:none;font:inherit;font-weight:600;border:0;cursor:pointer;line-height:1.2}
.btn:hover{background:var(--acc-d);color:#fff}
.btn.ghost{background:transparent;color:var(--acc-d);box-shadow:inset 0 0 0 2px var(--acc)}
.btn.ghost:hover{background:var(--acc-l);color:var(--acc-d)}
.btn[disabled]{opacity:.6;cursor:wait}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.search-hero{display:flex;gap:8px;margin-top:22px;max-width:30em}
.search-hero input{flex:1;min-width:0}

/* секции */
.sec{padding:46px 0}
.sec.alt{background:var(--soft)}
.sec-h{margin-bottom:22px}
.sec-h p{color:var(--mut);max-width:46em;margin:0}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.card{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:0 8px 24px rgba(0,0,0,.1);transform:translateY(-2px);color:var(--ink)}
.card img{width:100%;aspect-ratio:8/5;object-fit:cover;background:var(--soft);border-bottom:1px solid var(--line)}
.card-b{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.card h3{margin:0 0 .35em;color:var(--head)}
.card p{margin:0;color:var(--mut);font-size:.93rem}
.card .more{margin-top:auto;padding-top:.8em;color:var(--acc-d);font-weight:600;font-size:.92rem}
.card .date{font-size:.82rem;color:var(--mut);margin-bottom:.3em}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.steps li{counter-increment:s;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:0}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--acc);color:#fff;font-weight:700;margin-bottom:8px}
.steps b{display:block;margin-bottom:.3em;color:var(--head)}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.feat>div{padding:2px 0}
.feat .ic{width:2em;height:2em;color:var(--acc);margin-bottom:.35em;display:block;vertical-align:baseline}
.feat h3{margin-bottom:.3em}
.feat p{color:var(--mut);font-size:.94rem;margin:0}

/* таблицы */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);margin:0 0 1.2em}
.tbl{border-collapse:collapse;width:100%;font-size:.94rem;min-width:560px}
.tbl th,.tbl td{padding:.65rem .8rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.tbl thead th{background:var(--soft);font-weight:600;white-space:nowrap}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:var(--acc-l)}
.tbl a{font-weight:600}
th[data-sort]{cursor:pointer;user-select:none}
th[data-sort]::after{content:"\2195";opacity:.35;margin-left:.35em;font-size:.85em}
th[aria-sort=ascending]::after{content:"\2191";opacity:1}
th[aria-sort=descending]::after{content:"\2193";opacity:1}
.kv{display:grid;grid-template-columns:minmax(140px,250px) 1fr;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:1em 0 1.4em;background:var(--bg)}
.kv dt,.kv dd{margin:0;padding:.6rem .85rem;border-bottom:1px solid var(--line)}
.kv dt{background:var(--soft);font-weight:600}
.kv dt:nth-last-of-type(1),.kv dd:nth-last-of-type(1){border-bottom:0}
.callout{border-left:4px solid var(--acc);background:var(--acc-l);padding:14px 18px;border-radius:0 var(--r) var(--r) 0;margin:1.3em 0}
.callout.info{border-color:var(--info);background:var(--info-l)}
.callout h3{margin:0 0 .3em;font-size:1rem}
.callout p:last-child,.callout ul:last-child{margin-bottom:0}

/* текст и двухколоночная вёрстка */
.two{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:34px;align-items:start}
.aside{position:sticky;top:84px;background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:18px 18px 6px}
.aside h3{margin-bottom:.5em}
.aside ul{padding-left:1.1em;font-size:.93rem}
.prose h2{margin-top:1.7em}
.prose>h2:first-child{margin-top:0}
.prose h3{margin-top:1.3em}
.prose img{border-radius:var(--r);border:1px solid var(--line);margin:1em 0}
.article{max-width:46rem}
.article .meta{margin-bottom:1.2em}

/* поля, формы, фильтры */
input,select,textarea{width:100%;padding:.62rem .75rem;border:1px solid var(--line-d);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
textarea{resize:vertical;min-height:96px}
input[type=checkbox]{width:auto;margin-top:.3em}
.field{display:block;margin-bottom:12px}
.field>span.l{display:block;font-size:.88rem;color:var(--mut);margin-bottom:4px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.filters{display:grid;grid-template-columns:2fr repeat(3,minmax(0,1.25fr)) auto;gap:10px;margin-bottom:10px}
.filters button{white-space:nowrap}
.lead-form{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:20px;color:var(--ink)}
.lead-form h3{margin-bottom:.8em}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.chk{display:flex;gap:8px;font-size:.86rem;color:var(--mut);align-items:flex-start;margin-bottom:14px}
.bad{border-color:var(--err)!important;box-shadow:0 0 0 3px rgba(179,38,30,.14)}
.form-note{min-height:1.4em;font-size:.9rem;margin:.8em 0 0;color:var(--mut)}
.form-note.err{color:var(--err)}
.btn-ghost-sm{background:transparent;border:1px solid var(--line-d);border-radius:8px;padding:.55rem .9rem;font:inherit;cursor:pointer;color:var(--ink)}
.btn-ghost-sm:hover{background:var(--soft)}

/* вопросы и ответы */
.faq-tools{display:grid;grid-template-columns:1fr auto auto;gap:10px;margin-bottom:14px;align-items:center}
.faq details{border:1px solid var(--line);border-radius:var(--r);margin:0 0 10px;background:var(--bg)}
.faq summary{cursor:pointer;padding:14px 46px 14px 16px;font-weight:600;list-style:none;position:relative;color:var(--head)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;border-right:2px solid var(--acc);border-bottom:2px solid var(--acc);transform:translateY(-70%) rotate(45deg);transition:transform .15s}
.faq details[open] summary::after{transform:translateY(-25%) rotate(225deg)}
.faq details[open]{box-shadow:0 4px 16px rgba(0,0,0,.06)}
.faq .ans{padding:0 16px 6px}

/* калькулятор */
.calc{border:1px solid var(--line);border-radius:var(--r);background:var(--bg);overflow:hidden;margin:0 0 1.4em}
.tabs{display:flex;flex-wrap:wrap;background:var(--soft);border-bottom:1px solid var(--line)}
.tabs button{flex:1 1 auto;padding:.85rem 1rem;border:0;background:transparent;font:inherit;font-weight:600;color:var(--mut);cursor:pointer;border-bottom:3px solid transparent}
.tabs button[aria-selected=true]{color:var(--acc-d);border-bottom-color:var(--acc);background:var(--bg)}
.calc-body{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}
.calc-in{padding:20px}
.calc-out{padding:20px;background:var(--soft);border-left:1px solid var(--line)}
.calc-out h3{margin-bottom:.6em}
.res{display:grid;gap:2px;margin:0 0 14px}
.res div{display:flex;justify-content:space-between;gap:14px;border-bottom:1px dashed var(--line-d);padding:.45rem 0}
.res dt{color:var(--mut);margin:0}
.res dd{margin:0;font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
.res .big dd{font-size:1.25rem;color:var(--acc-d)}
.calc-msg{min-height:1.4em;color:var(--err);font-size:.92rem;margin:0 0 .6em}
.calc-hint{font-size:.88rem;color:var(--mut)}
.radio-row{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:12px}
.radio-row label{display:flex;gap:6px;align-items:center;cursor:pointer}
.radio-row input{width:auto}

/* чек-лист */
.checklist{list-style:none;padding:0;margin:0}
.checklist li{margin:0 0 8px}
.checklist label{display:flex;gap:10px;padding:.6rem .8rem;border:1px solid var(--line);border-radius:8px;cursor:pointer;background:var(--bg)}
.checklist label:hover{background:var(--acc-l)}
.progress{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:.5em}
.progress i{display:block;height:100%;width:0;background:var(--acc);transition:width .2s}

/* нижняя заявка и подвал */
.band{background:var(--dark);color:#e8ecf0;padding:46px 0}
.band h2{color:#fff}
.band a{color:#fff}
.band ul{padding-left:1.1em}
.band-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.ft{background:var(--foot);color:#b4bcc5;padding:40px 0 22px;font-size:.92rem}
.ft a{color:#d8dde2;text-decoration:none}
.ft a:hover{color:#fff;text-decoration:underline}
.ft-cols{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px}
.ft h4{color:#fff;font-size:.95rem;margin:0 0 .7em}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{margin:.35em 0}
.ft-all{margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}
.ft-all p{margin:0;line-height:2;font-size:.88rem}
.ft-note{margin:18px 0 0;font-size:.84rem;color:#8f99a5}
.ft-bot{margin-top:14px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
.totop{position:fixed;right:16px;bottom:16px;width:44px;height:44px;border-radius:50%;border:0;background:var(--acc);color:#fff;cursor:pointer;display:none;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:40}
.totop.show{display:flex}
.totop .ic{width:1.4em;height:1.4em}

@media(max-width:900px){
 .hero-grid,.two,.calc-body,.band-grid{grid-template-columns:1fr}
 .hero-grid{padding:28px 0}
 .aside{position:static}
 .calc-out{border-left:0;border-top:1px solid var(--line)}
 .ft-cols{grid-template-columns:1fr 1fr}
 .filters{grid-template-columns:1fr 1fr}
 .filters input[type=search]{grid-column:1/-1}
 .sec{padding:34px 0}
}
@media(max-width:560px){
 .grid2,.ft-cols{grid-template-columns:1fr}
 .faq-tools{grid-template-columns:1fr 1fr}
 .faq-tools input{grid-column:1/-1}
 .kv{grid-template-columns:1fr}
 .kv dt{border-bottom:0}
 .search-hero{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.hd,.band,.ft,.totop,.nav-toggle{display:none!important}body{font-size:12pt}.sec{padding:14px 0}}