:root{
  --bg:#0e1216; --bg2:#141a20; --bg3:#1b232b; --line:#26313b;
  --txt:#e6edf3; --muted:#93a3b2; --accent:#ff6a00; --accent2:#ff8a33;
  --ok:#7ad19b; --light:#f4f6f8; --ink:#11161b;
  --r:14px; --sh:0 10px 30px rgba(0,0,0,.25);
  --w:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;overflow-x:clip}
body{font-family:Manrope,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--txt);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg{max-width:100%;display:block}
[hidden]{display:none!important}
.grid-2>*,.hero__in>*,.calc>*,.final__in>*,.faq-wrap>*,.magnet>*,.metal>*,.xsell>*{min-width:0}
a{color:inherit}
button{font:inherit;cursor:pointer}
.container{max-width:var(--w);margin:0 auto;padding:0 16px;width:100%}
.accent{color:var(--accent)}
.muted{color:var(--muted);font-size:14px}
.h2{font-size:clamp(26px,3.4vw,40px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.lead{color:var(--muted);font-size:clamp(16px,1.6vw,18px);max-width:720px}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:14px 22px;font-weight:700;text-decoration:none;transition:.2s;white-space:nowrap;min-height:48px;text-align:center}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(255,106,0,.3)}
.btn--accent:hover{background:var(--accent2);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--txt);border:1px solid #3a4856}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:#000}
.btn--sm{padding:10px 16px;font-size:14px}
.btn--lg{padding:17px 26px;font-size:17px}
.btn--block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(14,18,22,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;gap:22px;height:72px;width:100%}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo__mark{width:38px;height:38px;border-radius:9px;background:var(--accent);display:grid;place-items:center;flex:none}
.logo__mark svg{width:24px;height:24px}
.logo__mark path{stroke:#fff;stroke-width:2.4;fill:none;stroke-linejoin:round}
.logo__txt b{display:block;font-size:19px;line-height:1.1}
.logo__txt small{color:var(--muted);font-size:11px;white-space:nowrap}
.header__phone,.header__hours{white-space:nowrap}
.nav{display:flex;gap:18px;margin-left:auto}
.nav a{text-decoration:none;font-size:14px;color:#c4cfda;font-weight:600;white-space:nowrap}
.nav a:hover{color:var(--accent)}
.header__contacts{text-align:right}
.header__phone{display:block;font-weight:800;font-size:18px;text-decoration:none}
.header__hours{font-size:11px;color:var(--muted)}
.burger{display:none;background:none;border:0;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;padding:8px}
.burger span{display:block;height:2px;background:var(--txt);border-radius:2px}

/* hero */
.hero{position:relative;overflow:hidden;padding:48px 0 56px}
.hero__bg{position:absolute;inset:0;background:
  radial-gradient(800px 400px at 85% 10%,rgba(255,106,0,.16),transparent 60%),
  repeating-linear-gradient(45deg,rgba(255,255,255,.025) 0 1px,transparent 1px 22px),
  repeating-linear-gradient(-45deg,rgba(255,255,255,.025) 0 1px,transparent 1px 22px)}
.hero__in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.hero__tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;background:var(--bg3);border:1px solid var(--line);border-radius:30px;padding:7px 14px;margin-bottom:18px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(122,209,155,.2)}
.hero__title{font-size:clamp(32px,4.6vw,56px);line-height:1.05;font-weight:800;letter-spacing:-.03em;margin-bottom:16px}
body[data-page="metall"] .hero__title{font-size:clamp(28px,3.5vw,46px);letter-spacing:-.04em}
.nowrap{white-space:nowrap}
.hero__sub{color:#c4cfda;font-size:clamp(15px,1.6vw,19px);margin-bottom:20px;max-width:620px}
.hero__list{list-style:none;display:grid;gap:9px;margin-bottom:26px}
.hero__list li{padding-left:28px;position:relative}
.hero__list li:before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' stroke='%23fff' stroke-width='2.5' fill='none'/%3E%3C/svg%3E") center/12px no-repeat}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.hero__trust{display:flex;gap:28px;flex-wrap:wrap}
.hero__trust div{display:flex;gap:10px;align-items:center}
.hero__trust b{font-size:24px;color:var(--accent);font-weight:800}
.hero__trust span{font-size:12px;color:var(--muted);line-height:1.3}

/* quiz */
.quiz{padding:24px;box-shadow:var(--sh)}
.quiz__head{display:flex;justify-content:space-between;gap:12px;margin-bottom:14px}
.quiz__title{font-weight:800;font-size:20px}
.quiz__note{font-size:13px;color:var(--muted)}
.quiz__gift{flex:none;font-size:12px;font-weight:700;background:rgba(255,106,0,.12);color:var(--accent2);border-radius:8px;padding:6px 10px;height:fit-content;max-width:130px}
.quiz__progress{height:6px;background:var(--bg3);border-radius:4px;overflow:hidden}
.quiz__progress span{display:block;height:100%;width:20%;background:var(--accent);transition:.3s}
.quiz__step-label{font-size:12px;color:var(--muted);margin:8px 0 12px}
.quiz__step{display:none;border:0;min-height:250px}
.quiz__step.is-active{display:block;animation:fade .3s}
.quiz__step legend{font-weight:700;font-size:17px;margin-bottom:12px}
.quiz__final{font-size:14px;color:#c4cfda;margin-bottom:12px}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1}}
.opts{display:grid;gap:8px}
.opts--grid{grid-template-columns:1fr 1fr}
.opts--inline{grid-template-columns:repeat(4,1fr);margin-bottom:10px}
.opt{position:relative;cursor:pointer}
.opt input{position:absolute;opacity:0}
.opt span{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg3);font-size:14px;font-weight:600;transition:.15s}
.opt small{color:var(--muted);font-weight:500}
.opt--sm span{text-align:center;padding:9px 6px;font-size:13px}
.opt:hover span{border-color:#3d4c5a}
.opt input:checked+span{border-color:var(--accent);background:rgba(255,106,0,.1)}
.opt input:focus-visible+span{outline:2px solid var(--accent)}
.quiz__nav{display:flex;justify-content:space-between;gap:10px;margin-top:12px}
.quiz__nav .quiz__next,.quiz__nav .quiz__submit{flex:1}

/* inputs */
.input{width:100%;background:var(--bg3);border:1px solid var(--line);border-radius:10px;color:var(--txt);font:inherit;font-size:16px;padding:13px 14px;margin-bottom:10px;outline:0;transition:.15s;-webkit-appearance:none;appearance:none}
.input:focus{border-color:var(--accent)}
.input.is-err{border-color:#ff4d4d}
textarea.input{resize:vertical}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--muted);margin-top:8px}
.agree input{margin-top:2px;accent-color:var(--accent)}
.smart-captcha{min-height:100px;height:auto;margin:12px 0;max-width:100%;overflow:visible}
.agree--light{color:#3b2a1d}
.agree--light a{color:#2a1a0e}
.file{display:block;margin-bottom:10px;cursor:pointer}
.file input{display:none}
.file span{display:block;border:1px dashed #3d4c5a;border-radius:10px;padding:11px 14px;font-size:14px;color:var(--muted)}
.file:hover span{border-color:var(--accent);color:var(--txt)}
.form__msg{font-size:13px;margin-top:8px;min-height:1px}
.form__msg.err{color:#ff7a7a}
.form__title{font-weight:800;font-size:22px;margin-bottom:6px}

/* numbers */
.numbers{border-block:1px solid var(--line);background:var(--bg2)}
.numbers__in{display:grid;grid-template-columns:repeat(4,1fr)}
.numbers__in div{padding:22px 16px;border-right:1px solid var(--line)}
.numbers__in div:last-child{border:0}
.numbers b{display:block;font-size:26px;font-weight:800;color:var(--accent)}
.numbers span{font-size:13px;color:var(--muted)}

/* sections */
.section{padding:84px 0}
.section--dark{background:var(--bg2)}
.section--alt{background:#11171c}
.section--accent{background:linear-gradient(135deg,#ff6a00,#ff9a3c);color:var(--ink);padding:56px 0}
.section__head{margin-bottom:36px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.checks{list-style:none;display:grid;gap:12px;margin:22px 0 26px}
.checks li{padding-left:30px;position:relative}
.checks li:before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:6px;background:rgba(122,209,155,.15);color:var(--ok);font-weight:800;font-size:13px;display:grid;place-items:center}
.scheme{padding:20px}
.scheme__cap{font-size:14px;color:var(--muted);margin-top:12px}

/* solutions */
.cards{display:grid;gap:18px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.sol{padding:24px;display:flex;flex-direction:column;position:relative;transition:.2s}
.sol:hover{border-color:#3d4c5a;transform:translateY(-3px)}
.sol h3{font-size:20px;margin-bottom:8px;padding-right:50px}
.sol p{color:var(--muted);font-size:14px;margin-bottom:16px}
.sol__badge{position:absolute;top:18px;right:18px;background:var(--accent);color:#fff;font-size:12px;font-weight:800;padding:4px 9px;border-radius:6px}
.price{font-size:15px;color:var(--muted);margin-bottom:12px}
.price b{font-size:30px;color:var(--txt);font-weight:800}
.mini{list-style:none;font-size:13px;display:grid;gap:5px;margin-bottom:18px;color:#c4cfda}
.mini li:before{content:"— ";color:var(--accent)}
.sol .btn{margin-top:auto}
.extra-prices{margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr)}
.extra-prices div{padding:18px;border-right:1px solid var(--line)}
.extra-prices div:last-child{border:0}
.extra-prices span{display:block;font-size:13px;color:var(--muted)}
.extra-prices b{font-size:17px}

/* calc */
.calc{display:grid;grid-template-columns:1.2fr .8fr;overflow:hidden}
.calc__fields{padding:28px}
.calc__row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:10px}
.calc__row label{font-size:13px;color:var(--muted);font-weight:600}
.calc__row .input{margin-top:6px;font-size:18px;font-weight:700}
.calc__group{margin-bottom:18px}
.calc__label{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:8px}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:var(--bg3);padding:5px;border-radius:12px}
.seg--4{grid-template-columns:repeat(4,1fr)}
.seg button{background:none;border:0;color:#c4cfda;font-weight:700;font-size:14px;padding:11px 6px;border-radius:8px}
.seg button.is-on{background:var(--accent);color:#fff}
.calc__result{background:var(--bg3);padding:28px;border-left:1px solid var(--line)}
.calc__area{color:var(--muted);font-size:14px}
.calc__sum{font-size:15px;color:var(--muted);margin:6px 0}
.calc__sum b{font-size:clamp(24px,2.6vw,32px);color:var(--txt);font-weight:800}
.calc__per{font-size:13px;color:var(--muted);margin-bottom:18px}
.calc__note{font-size:11px;color:var(--muted);margin-top:10px}

/* objects */
.objs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.obj{padding:22px}
.obj span{font-size:30px}
.obj h3{font-size:18px;margin:8px 0 6px}
.obj p{font-size:14px;color:var(--muted)}
.obj--cta{background:linear-gradient(160deg,rgba(255,106,0,.2),var(--bg2));border-color:rgba(255,106,0,.4)}
.obj--cta .btn{margin-top:12px}

/* construction */
.layers{counter-reset:l;list-style:none;display:grid;gap:12px;margin-top:20px}
.layers li{counter-increment:l;padding:14px 16px 14px 56px;position:relative;background:var(--bg2);border:1px solid var(--line);border-radius:12px;font-size:15px;color:#c4cfda}
.layers li b{color:var(--txt)}
.layers li:before{content:counter(l);position:absolute;left:14px;top:14px;width:28px;height:28px;border-radius:8px;background:var(--accent);color:#fff;font-weight:800;display:grid;place-items:center;font-size:14px}
.levels{padding:24px}
.levels h3{font-size:20px;margin-bottom:14px}
.table-wrap{overflow-x:auto;margin-bottom:12px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:420px}
th,td{padding:11px 10px;text-align:left;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
td:first-child{font-weight:700}
.levels .btn{margin-top:10px}

/* adv */
.adv .card{padding:24px}
.adv b{display:block;font-size:18px;margin-bottom:6px;padding-top:14px;border-top:3px solid var(--accent);width:fit-content}
.adv p{color:var(--muted);font-size:14px}

/* steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{padding:20px;display:flex;flex-direction:column}
.step__n{font-size:34px;font-weight:800;color:var(--accent);line-height:1}
.step h3{font-size:16px;margin:10px 0 6px}
.step p{font-size:13px;color:var(--muted);flex:1}
.step em{font-style:normal;font-size:12px;font-weight:700;color:var(--ok);margin-top:10px}

/* magnet */
.magnet{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.magnet .h2{color:var(--ink)}
.magnet p{font-size:17px;color:#2a1a0e}
.magnet .input{background:#fff;color:var(--ink);border-color:#fff}

/* metal */
.metal{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.metal__list{padding:26px}
.metal__list ul{list-style:none;columns:2;column-gap:24px}
.metal__list li{break-inside:avoid;padding:8px 0 8px 22px;position:relative;font-size:15px;border-bottom:1px solid var(--line)}
.metal__list li:before{content:"";position:absolute;left:0;top:16px;width:10px;height:3px;background:var(--accent)}
.metal__price{padding:26px}
.mrow{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.mrow span{color:#c4cfda}
.mrow b{white-space:nowrap}
.metal__price .btn{margin:18px 0 8px}

/* docs */
.docs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.doc{padding:22px;display:grid;grid-template-columns:auto 1fr;gap:4px 14px}
.doc span{font-size:28px;grid-row:span 2}
.doc p{font-size:14px;color:var(--muted)}

/* faq */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px}
.faq-wrap .btn{margin-top:20px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;font-weight:700;font-size:17px;padding:18px 40px 18px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:4px;top:14px;font-size:24px;color:var(--accent);transition:.2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq p{color:#c4cfda;padding-bottom:18px;font-size:15px}

/* final */
.final{background:radial-gradient(700px 400px at 10% 100%,rgba(255,106,0,.14),transparent 60%),var(--bg)}
.final__in{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.final__form{padding:28px;box-shadow:var(--sh)}
.contacts__phone{font-size:clamp(20px,5vw,28px);font-weight:800;text-decoration:none;display:block;margin-bottom:10px;word-break:keep-all}
.contacts__msg{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.contacts__msg a{text-decoration:none;font-size:14px;font-weight:700;border:1px solid var(--line);border-radius:8px;padding:8px 12px}
.contacts__msg a:hover{border-color:var(--accent)}

/* footer */
.footer{border-top:1px solid var(--line);padding:28px 0 32px}
.footer__in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.footer__links{display:grid;gap:4px;font-size:13px}
.footer__ph a{font-weight:800;font-size:18px;text-decoration:none}
.logo--sm .logo__mark{width:30px;height:30px}
.logo--sm .logo__mark svg{width:18px;height:18px}

/* mobile bar */
.mbar{display:none}

/* modals */
.modal{position:fixed;inset:0;z-index:100;background:rgba(5,8,10,.75);display:none;align-items:flex-start;justify-content:center;padding:16px;overflow-y:auto;-webkit-overflow-scrolling:touch}
.modal.is-open{display:flex;animation:fade .2s}
.modal__box{width:100%;max-width:440px;padding:28px 22px;position:relative;margin:auto;max-height:none}
.modal__box--center{text-align:center}
.modal__box--exit{max-width:480px;border-color:rgba(255,106,0,.5)}
.modal__close{position:absolute;right:12px;top:8px;background:none;border:0;color:var(--muted);font-size:30px;line-height:1}
.modal .muted{margin-bottom:16px}
.exit__tag{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:800;border-radius:6px;padding:4px 10px;margin-bottom:10px}
.thanks__ico{width:64px;height:64px;border-radius:50%;background:rgba(122,209,155,.15);color:var(--ok);font-size:34px;font-weight:800;display:grid;place-items:center;margin:0 auto 14px}

/* cookie */
.cookie{position:fixed;left:16px;bottom:16px;z-index:90;max-width:460px;background:var(--bg3);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:none;gap:12px;align-items:center;font-size:12px;color:var(--muted);box-shadow:var(--sh)}
.cookie.is-show{display:flex}

/* ========== responsive ========== */
@media (max-width:1460px){
  .nav .nav__opt{display:none}
}
@media (max-width:1320px){
  .logo__txt small,.header__hours{display:none}
  .header__in{gap:14px}
  .nav{gap:12px}
  .nav a{font-size:13px}
  .header__phone{font-size:16px}
}
@media (max-width:1100px){
  .nav{display:none}
  .nav.is-open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:4px;background:var(--bg2);padding:12px 16px 16px;border-bottom:1px solid var(--line);z-index:60;box-shadow:var(--sh)}
  .nav.is-open a{padding:12px 10px;border-radius:8px;font-size:15px}
  .nav.is-open a:active,.nav.is-open a:hover{background:var(--bg3)}
  .burger{display:flex;flex-shrink:0}
  .header__in{gap:10px}
  .header__contacts{margin-left:auto;min-width:0}
  .header .btn--sm{padding:10px 12px;font-size:13px;min-height:42px}
  .steps{grid-template-columns:repeat(3,1fr)}
  .objs{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .hero__in,.grid-2,.calc,.magnet,.metal,.faq-wrap,.final__in{grid-template-columns:1fr}
  .cards--3,.docs{grid-template-columns:1fr 1fr}
  .numbers__in,.extra-prices{grid-template-columns:1fr 1fr}
  .numbers__in div,.extra-prices div{border-right:1px solid var(--line)}
  .numbers__in div:nth-child(2n),.extra-prices div:nth-child(2n){border-right:0}
  .numbers__in div:nth-child(-n+2),.extra-prices div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .calc__result{border-left:0;border-top:1px solid var(--line)}
  .section{padding:56px 0}
  .hero{padding:36px 0 44px}
  .hero__title{font-size:clamp(26px,6.2vw,40px)}
  body[data-page="metall"] .hero__title{font-size:clamp(24px,5.6vw,36px)}
  .hero__actions .btn{flex:1 1 auto}
}
@media (max-width:640px){
  html{scroll-padding-top:70px}
  body{font-size:15px;padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}
  .container{padding:0 14px}
  .header__in{height:58px;gap:8px}
  .header__hours,.logo__txt small,.header .btn{display:none}
  .header__phone{font-size:14px;letter-spacing:-.01em}
  .logo__mark{width:34px;height:34px;border-radius:8px}
  .logo__txt b{font-size:17px}
  .hero{padding:20px 0 28px}
  .hero__tag{font-size:12px;padding:6px 10px;margin-bottom:12px;max-width:100%;white-space:normal;line-height:1.35;border-radius:12px}
  .hero__title{font-size:clamp(24px,7.2vw,32px);margin-bottom:12px}
  body[data-page="metall"] .hero__title{font-size:clamp(22px,6.6vw,30px)}
  .hero__title .nowrap{white-space:normal}
  .hero__sub{font-size:15px;margin-bottom:14px}
  .hero__actions{flex-direction:column;gap:10px;margin-bottom:16px}
  .hero__actions .btn{width:100%;white-space:normal;padding:14px 16px;line-height:1.25}
  .hero__actions .btn--ghost{display:none}
  .hero__trust{gap:14px;margin-top:4px}
  .hero__trust b{font-size:20px}
  .hero__trust span{font-size:11px}
  .hero__list{gap:8px;margin-bottom:18px}
  .hero__list li{font-size:14px}
  .section{padding:44px 0}
  .section--accent{padding:40px 0}
  .section__head{margin-bottom:24px}
  .h2{font-size:clamp(22px,6vw,30px);margin-bottom:10px}
  .cards--3,.docs,.objs,.steps,.prod,.chks{grid-template-columns:1fr}
  .opts--grid,.opts--inline{grid-template-columns:1fr}
  .opt span{padding:12px 12px;font-size:14px}
  .quiz{padding:16px}
  .quiz__head{flex-direction:column;gap:8px}
  .quiz__gift{display:none}
  .quiz__title{font-size:18px}
  .quiz__step{min-height:0}
  .quiz__step legend{font-size:16px}
  .quiz__nav{flex-wrap:wrap}
  .quiz__nav .btn{min-height:46px}
  .numbers__in,.extra-prices{grid-template-columns:1fr 1fr}
  .numbers b{font-size:20px}
  .numbers span{font-size:12px}
  .numbers__in div,.extra-prices div{padding:16px 12px}
  .calc__row{grid-template-columns:1fr;gap:0}
  .calc__row--1{grid-template-columns:1fr}
  .calc__fields,.calc__result,.final__form{padding:16px}
  .calc__sum b{font-size:clamp(22px,7vw,28px)}
  .seg,.seg--3,.seg--4{grid-template-columns:1fr 1fr}
  .seg button{padding:12px 8px;font-size:13px;min-height:44px;white-space:normal;line-height:1.2}
  .metal__list ul{columns:1}
  .sol,.obj,.step,.prod__item,.doc{padding:18px}
  .sol h3{font-size:18px;padding-right:40px}
  .price b{font-size:26px}
  .magnet{gap:20px}
  .magnet p{font-size:15px}
  .xsell{padding:18px;gap:18px}
  .xsell__prices{gap:8px}
  .xsell__prices span{width:100%;padding:10px 12px;font-size:13px}
  .xsell__act .btn{width:100%;white-space:normal}
  .pricelist{padding:16px}
  .table-wrap{margin:0 -4px 12px;padding:0 4px}
  .faq summary{font-size:15px;padding:16px 36px 16px 0}
  .faq p{font-size:14px}
  .final__in{gap:24px}
  .contacts__msg a{width:100%;text-align:center}
  .footer{padding:24px 0 calc(88px + env(safe-area-inset-bottom,0px))}
  .footer__in{flex-direction:column;align-items:flex-start;gap:14px}
  .footer__ph a{font-size:16px}
  .mbar{display:grid;grid-template-columns:1fr 1.25fr;position:fixed;left:0;right:0;bottom:0;z-index:80;background:rgba(20,26,32,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:8px 8px calc(8px + env(safe-area-inset-bottom,0px));gap:8px}
  .mbar a{text-align:center;text-decoration:none;font-weight:700;font-size:14px;padding:12px 6px;border-radius:10px;background:var(--bg3);min-height:48px;display:flex;align-items:center;justify-content:center}
  .mbar .mbar__main{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,0,.35)}
  .modal{padding:12px;align-items:flex-start}
  .modal__box{padding:22px 16px;margin:12px auto 24px;max-width:100%}
  .modal__box--exit{max-width:100%}
  .cookie{bottom:calc(76px + env(safe-area-inset-bottom,0px));left:8px;right:8px;max-width:none;flex-direction:column;align-items:stretch;text-align:left}
  .cookie .btn{width:100%}
  .btn--lg{padding:15px 18px;font-size:16px}
  .btn--block{white-space:normal}
}

@media (max-width:380px){
  .header__phone{font-size:13px}
  .hero__title{font-size:22px}
  body[data-page="metall"] .hero__title{font-size:20px}
  .numbers__in,.extra-prices{grid-template-columns:1fr}
  .numbers__in div,.extra-prices div{border-right:0;border-bottom:1px solid var(--line)}
  .numbers__in div:last-child,.extra-prices div:last-child{border-bottom:0}
}

/* ===== cross-sell / metal page ===== */
.xsell{display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:center;padding:34px;background:linear-gradient(135deg,rgba(255,106,0,.14),var(--bg2) 60%);border-color:rgba(255,106,0,.35)}
.xsell__tag{display:inline-block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--accent2);margin-bottom:10px}
.xsell__prices{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.xsell__prices span{background:var(--bg3);border:1px solid var(--line);border-radius:10px;padding:9px 14px;font-size:14px;color:var(--muted)}
.xsell__prices b{color:var(--txt)}
.xsell__act{display:grid;gap:10px}
.pricelist{margin-top:18px;padding:24px}
.pricelist__head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.pricelist h3{font-size:20px}
.pricelist td:first-child{font-weight:500}
.pricelist td:nth-child(2){font-weight:800;white-space:nowrap}
.calc__row--1{grid-template-columns:1fr}
.seg--3{grid-template-columns:repeat(3,1fr)}
.calc__hint{font-size:12px;color:var(--muted);margin-top:6px}
.chks{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.chk{cursor:pointer;position:relative}
.chk input{position:absolute;opacity:0}
.chk span{display:block;padding:11px 12px 11px 38px;border:1px solid var(--line);border-radius:10px;background:var(--bg3);font-size:14px;font-weight:600;position:relative}
.chk span:before{content:"";position:absolute;left:12px;top:50%;width:16px;height:16px;margin-top:-8px;border-radius:4px;border:2px solid #4a5a69}
.chk input:checked+span{border-color:var(--accent);background:rgba(255,106,0,.1)}
.chk input:checked+span:before{background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' stroke='%23fff' stroke-width='3' fill='none'/%3E%3C/svg%3E") center/12px no-repeat;border-color:var(--accent)}
.chk input:focus-visible+span{outline:2px solid var(--accent)}
.prod{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.prod__item{padding:22px;border-top:3px solid var(--accent)}
.prod__item b{display:block;font-size:18px;margin-bottom:6px}
.prod__item p{font-size:14px;color:var(--muted)}
.norms{list-style:none;display:grid;gap:10px}
.norms li{font-size:14px;color:var(--muted);padding-bottom:10px;border-bottom:1px solid var(--line)}
.norms li:last-child{border:0}
.norms b{display:block;color:var(--txt);font-size:15px}
.checks li b{color:var(--txt)}
@media (max-width:900px){
  .xsell{grid-template-columns:1fr;padding:24px}
  .prod{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .prod{grid-template-columns:1fr}
}