:root{
  --paper:#f3f1ec; --paper-2:#e9e5dc; --white:#fbfaf7;
  --ink:#1b1d1f; --ink-2:#4a4d50; --ink-3:#74777a;
  --rule:rgba(27,29,31,.14); --rule-d:rgba(243,241,236,.16);
  --yellow:#f2b705; --yellow-d:#d9a200; --blue:#1f4fa3; --copper:#c8742f;
  --dark:#1d2022; --dark-2:#26292c;
  --sans:"IBM Plex Sans",system-ui,sans-serif;
  --cond:"IBM Plex Sans Condensed","IBM Plex Sans",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --w:1240px; --pad:clamp(16px,4vw,40px);
}
*,*::before,*::after{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}}
body{margin:0;background:var(--white);color:var(--ink);font:400 16.5px/1.6 var(--sans);text-rendering:optimizeLegibility}
img,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}
h1,h2,h3{font-family:var(--cond);font-weight:600;line-height:1.08;margin:0;letter-spacing:-.01em;text-wrap:balance}
p{margin:0 0 .9em;max-width:68ch}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.wrap{max-width:var(--w);margin:0 auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 14px;z-index:99}
.skip:focus{left:8px;top:8px}
.muted{color:var(--ink-3)}
.small{font-size:14px;color:var(--ink-2)}

/* topline + header */
.topline{background:var(--ink);color:#cfcbc2;font:400 13px/1 var(--mono)}
.topline__in{display:flex;gap:28px;padding-block:9px;justify-content:flex-end}
.topline__in span:first-child{margin-right:auto}
.topline__in{flex-wrap:wrap}
.topline a{color:#f3f1ec;text-decoration:none}
.head{position:sticky;top:0;z-index:30;background:rgba(251,250,247,.96);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid var(--rule)}
.head__in{display:flex;align-items:center;gap:32px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand__mark{width:28px;height:28px;color:var(--ink)}
.brand__name{font:500 21px/1 var(--cond);letter-spacing:-.01em}
.brand__name b{font-weight:700}
.nav{display:flex;gap:24px;margin-left:12px}
.nav a{text-decoration:none;font-size:15px;color:var(--ink-2);padding-block:8px}
.nav a:hover{color:var(--ink);text-decoration:underline}
.head__cta{margin-left:auto;display:flex;align-items:center;gap:18px}
.phone{font:500 16px/1 var(--mono);text-decoration:none;white-space:nowrap}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;padding:12px 10px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:6px 0;transition:transform .2s}
.burger[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;background:var(--yellow);color:var(--ink);font:600 16px/1 var(--sans);text-decoration:none;border:0;border-radius:2px;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--yellow-d)}
.btn--sm{min-height:40px;padding:0 16px;font-size:15px}
.btn--wide{width:100%;min-height:54px;font-size:17px}
.link-arrow{background:none;border:0;font:500 16px/1 var(--sans);color:var(--ink);text-decoration:underline;cursor:pointer;padding:14px 4px}


.btn--ghost{background:transparent;border:1.5px solid var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}

/* hero */
.hero{padding-block:clamp(36px,5vw,72px);background:var(--white)}
.hero__grid{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.hero h1{font-size:clamp(34px,4.4vw,56px);margin-bottom:22px}
.lead{font-size:clamp(17px,1.35vw,19px);color:var(--ink-2);max-width:56ch}
.hero__list{list-style:none;padding:0;margin:22px 0 0}
.hero__list li{position:relative;padding:7px 0 7px 26px;border-top:1px solid var(--rule)}
.hero__list li:last-child{border-bottom:1px solid var(--rule)}
.hero__list li::before{content:"";position:absolute;left:2px;top:15px;width:10px;height:10px;background:var(--yellow);border:2px solid var(--ink)}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero__img{margin:0}
.hero__img img{aspect-ratio:1/1;object-fit:cover;width:100%}
.strip{background:var(--ink);color:#ecebe6}
.strip__in{display:grid;grid-template-columns:repeat(4,1fr)}
.strip__in div{padding:22px 20px 22px 0;display:flex;flex-direction:column;gap:4px}
.strip__in div+div{padding-left:20px;border-left:1px solid var(--rule-d)}
.strip b{font:600 20px/1.15 var(--cond);color:var(--yellow)}
.strip span{font-size:14px;color:#b9b7b0}

/* sections */
.sec{padding-block:clamp(56px,7vw,96px)}
.sec--paper{background:var(--paper)}
.sec--dark{background:var(--dark);color:#ecebe6}
.sec__title{font-size:clamp(28px,3.2vw,42px);margin-bottom:clamp(24px,3vw,40px)}
.sec__intro{color:var(--ink-2);margin:-12px 0 32px;max-width:72ch}
.sec--dark .sec__intro,.sec--dark figcaption{color:#a9a8a2}
figcaption{font-size:13.5px;color:var(--ink-3);margin-top:10px}
.note{margin-top:18px;font-size:14px;color:var(--ink-3)}
.small{font-size:13.5px;color:var(--ink-3);margin:10px 0 0}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--white);border:1px solid var(--rule);display:flex;flex-direction:column}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.card__body{padding:22px 22px 24px}
.card h3{font-size:22px;margin-bottom:10px}
.card p{color:var(--ink-2);font-size:15.5px}
.card ul{list-style:none;padding:0;margin:14px 0 0;font-size:14.5px}
.card li{padding:7px 0;border-top:1px solid var(--rule)}
.card--text{background:var(--paper);border-color:transparent;border-top:4px solid var(--yellow)}
.card--text:last-child{border-top-color:var(--copper)}

/* tables */
.tbl{overflow-x:auto;background:var(--white);border:1px solid var(--rule)}
.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec th{text-align:left;font:600 13px/1.2 var(--sans);color:var(--ink-3);padding:14px 18px;border-bottom:2px solid var(--ink);background:var(--white)}
.spec td{padding:13px 18px;border-bottom:1px solid var(--rule);vertical-align:top}
.spec tr:last-child td{border-bottom:0}
.spec td:first-child{font-weight:600;white-space:nowrap}
.spec--dark th{background:transparent;color:#a9a8a2;border-color:#ecebe6;padding-left:0}
.spec--dark td{border-color:var(--rule-d);padding-left:0}
.spec--dark td:first-child{white-space:normal}

/* price */
.price{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,64px);align-items:start}
.price p{color:var(--ink-2)}
.formula{border-left:4px solid var(--yellow);background:var(--paper);padding:18px 22px;margin:22px 0}
.formula p{margin:0;color:var(--ink);font-size:16px}
.formula p+p{margin-top:10px}
.factors{border:1px solid var(--rule);padding:clamp(20px,3vw,30px)}
.factors h3{font-size:22px;margin-bottom:14px}
.factors dl{margin:0}
.factors dt{font-weight:600;margin-top:12px}
.factors dd{margin:2px 0 0;color:var(--ink-2);font-size:15px}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.steps li{background:var(--white);padding:22px 20px;border-top:3px solid var(--ink);counter-increment:s}
.steps li::before{content:counter(s);display:block;font:600 30px/1 var(--cond);color:var(--copper);margin-bottom:12px}
.steps h3{font-size:19px;margin-bottom:8px}
.steps p{font-size:14.5px;color:var(--ink-2);margin:0}

/* gallery */
.gal{display:grid;grid-template-columns:.85fr .85fr 1.3fr;gap:22px;align-items:start}
.gal figure{margin:0}
.gal video{width:100%;aspect-ratio:478/850;object-fit:cover;background:#000}
.gal img{width:100%;aspect-ratio:9/16;object-fit:cover}

/* company */
.company{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(28px,5vw,64px);align-items:start}
.company p{color:var(--ink-2)}
.company h3{font-size:21px;margin:28px 0 10px}
.docs{padding-left:20px;margin:0;color:var(--ink-2)}
.docs li{margin-bottom:6px}
.cardbox{border:1px solid var(--ink);padding:clamp(20px,3vw,30px);position:relative}
.cardbox::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:5px;background:linear-gradient(90deg,var(--yellow) 0 72%,var(--copper) 72%)}
.cardbox h3{font-size:22px;margin:6px 0 16px}
.cardbox dl{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;margin:0 0 22px;font-size:15px}
.cardbox dt{color:var(--ink-3)}
.cardbox dd{margin:0;font-weight:500}
.m{font-family:var(--mono)}

/* form */
.zgrid{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(28px,5vw,64px);align-items:start}
.zinfo{position:sticky;top:96px}
.zinfo p{color:var(--ink-2)}
.zphone{font-size:18px}
.zphone a{font:500 20px/1 var(--mono);color:var(--ink);text-decoration:none;border-bottom:2px solid var(--yellow)}
.form,.done{background:var(--white);border:1px solid var(--rule);padding:clamp(20px,3vw,34px)}
fieldset{border:0;padding:0;margin:0 0 26px}
legend{font:600 19px/1 var(--cond);margin-bottom:14px;padding:0}
.radios{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.radios label{display:flex;align-items:center;gap:10px;min-height:48px;padding:10px 14px;border:1px solid var(--rule);cursor:pointer;font-size:15px;line-height:1.3}
.radios label:has(input:checked){border-color:var(--ink);background:var(--paper)}
.radios input{accent-color:var(--ink);width:18px;height:18px;flex:none}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f{display:block;font-size:14px;color:var(--ink-2);margin-bottom:14px}
.f input,.f select,.f textarea{display:block;width:100%;margin-top:6px;min-height:46px;padding:10px 12px;font:400 16px/1.3 var(--sans);color:var(--ink);background:var(--white);border:1px solid rgba(27,29,31,.28);border-radius:2px}
.f textarea{resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:2px solid var(--blue);outline-offset:-1px;border-color:transparent}
.f [aria-invalid=true]{border-color:#b3261e;background:#fdf3f2}
.inline{display:flex;gap:8px}
.inline input{flex:1}
.inline select{width:100px;flex:none}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--ink);flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form__err{color:#b3261e;font-size:14.5px;margin-bottom:14px}
.btn[disabled]{opacity:.6;cursor:wait}
.done h3{font-size:26px;margin-bottom:12px}
.done pre{white-space:pre-wrap;font:400 13px/1.55 var(--mono);background:var(--paper);padding:16px;max-height:320px;overflow:auto}

/* faq */
.faq{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(28px,5vw,64px)}
details{border-top:1px solid var(--rule)}
details:last-child{border-bottom:1px solid var(--rule)}
summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font:500 17.5px/1.35 var(--sans);position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:14px;font:400 26px/1 var(--mono);color:var(--copper)}
details[open] summary::after{content:"–"}
details p{color:var(--ink-2);padding-bottom:10px}

/* contacts */
.contacts{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px)}
.cl,.req dl{display:grid;grid-template-columns:130px 1fr;gap:14px 20px;margin:0}
.cl dt,.req dt{font-size:14px;color:#a9a8a2}
.cl dd,.req dd{margin:0}
.cl a{text-decoration:none;border-bottom:1px solid rgba(236,235,230,.35)}
.cl a:hover{border-color:var(--yellow)}
.cl .big{font:500 24px/1.2 var(--mono);border-bottom:2px solid var(--yellow)}
.req{border:1px solid var(--rule-d);padding:clamp(20px,3vw,30px)}
.req h3{font-size:22px;margin-bottom:20px}
.req dd{font-size:15px}
.dl{display:inline-block;margin-top:22px;color:var(--yellow);font-weight:500}

/* footer */
.foot{background:#141618;color:#a9a8a2;font-size:14.5px}
.foot__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:28px;padding-block:44px 30px}
.foot h4{font:600 13px/1 var(--sans);text-transform:uppercase;letter-spacing:.08em;color:#ecebe6;margin:4px 0 14px}
.foot nav a,.foot__grid>div>a:not(.brand){display:block;color:#cfcbc2;text-decoration:none;padding:4px 0}
.foot a:hover{color:var(--yellow)}
.brand--light{color:#ecebe6}
.foot__grid p{margin-top:12px;font-size:14px}
.foot__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 28px;border-top:1px solid var(--rule-d);padding-block:18px 24px;font-size:13px}

/* politika */
.doc{max-width:760px;padding-block:56px 96px}
.doc h1{font-size:38px;margin-bottom:24px}
.doc h2{font-size:22px;margin:32px 0 10px}

@media (max-width:1100px){
  .nav{display:none}
  .burger{display:block;margin-left:0;flex:none}
  .head__in{gap:16px}
  .head__cta{margin-left:auto}
  .nav.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--rule);padding:8px var(--pad) 16px;margin:0;gap:0}
  .nav.open a{padding:12px 0;border-bottom:1px solid var(--rule);font-size:17px}
  .cards{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr 1fr}
  .gal{grid-template-columns:1fr 1fr}
  .gal__spec{grid-column:1/-1}
  .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .hero__grid,.price,.company,.zgrid,.faq,.contacts{grid-template-columns:1fr}
  .hero__img{order:-1}
  .hero__img img{aspect-ratio:16/10}
  .strip__in{grid-template-columns:1fr 1fr}
  .strip__in div:nth-child(3){padding-left:0;border-left:0}
  .strip__in div:nth-child(n+3){border-top:1px solid var(--rule-d)}
  .steps{grid-template-columns:1fr 1fr}
  .zinfo{position:static}
}
@media (max-width:560px){
  body{font-size:16px}
  .hide-s{display:none}
  .topline__in{gap:6px 14px;font-size:12px;line-height:1.4}
  .topline__in span:first-child{flex-basis:100%}
  .head__cta .phone{display:none}
  .cards,.steps{grid-template-columns:1fr}
  .radios,.row2{grid-template-columns:1fr}
  .row2{gap:0}
  .gal{grid-template-columns:1fr}
  .gal img,.gal video{max-height:560px}
  .cl,.req dl,.cardbox dl{grid-template-columns:1fr;gap:2px}
  .cl dd,.req dd,.cardbox dd{margin-bottom:10px}
  .spec td:first-child{white-space:normal}
  .hero__actions .btn{width:100%}
  .tbl .spec thead{display:none}
  .tbl .spec tr{display:block;padding:14px 16px;border-bottom:1px solid var(--rule)}
  .tbl .spec tr:last-child{border-bottom:0}
  .tbl .spec td{display:block;padding:2px 0;border:0}
  .tbl .spec td:first-child{font-size:16px;margin-bottom:4px}
  .tbl .spec td:nth-child(3){color:var(--ink-2)}
  .tbl .spec td:nth-child(3)::before{content:"На выходе: ";color:var(--ink-3)}
  .foot__grid{grid-template-columns:1fr}
}