/* Стиль №5 «инженерный лист» — общий каркас всех страниц: токены, шапка, кнопки, формы, попап, подвал */
:root{
  --red:#EE3330;--red2:#d42724;--ink:#111617;--ink2:#3d4548;--ink3:#737b7e;
  --bp:#0b1820;--bp2:#102330;--chalk:#e8f0f4;--chalk2:rgba(232,240,244,.72);--chalk3:rgba(232,240,244,.46);
  --ln:rgba(160,200,222,.09);--ln2:rgba(160,200,222,.2);--ln3:rgba(160,200,222,.38);
  --paper:#f4f2ed;--paper2:#e9e6df;--wood:#c98d4f;
  --hh:78px;--pad:clamp(16px,4vw,48px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:var(--hh)}
body{margin:0;font:400 16px/1.6 'Onest',system-ui,sans-serif;color:var(--ink);background:#fff;overflow-x:clip;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3{margin:0;font-family:'Unbounded',sans-serif;font-weight:600;letter-spacing:-.02em;line-height:1.1}
p,ul,ol,figure{margin:0}ul,ol{padding:0;list-style:none}
.mono{font-family:'JetBrains Mono',monospace}
.wrap{max-width:1312px;margin:0 auto;padding:0 var(--pad)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:56px;padding:0 26px;border-radius:2px;font:600 15.5px/1.2 'Onest',sans-serif;border:1px solid transparent;transition:background .25s,transform .25s,border-color .25s,color .25s;text-align:center}
.btn svg{width:18px;height:18px;flex:none;transition:transform .25s}
.btn:hover svg{transform:translateX(3px)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 14px 34px -14px rgba(238,51,48,.75)}
.btn-red:hover{background:var(--red2);transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff}.btn-ink:hover{background:#000}
.btn-line{border-color:rgba(17,22,23,.25)}.btn-line:hover{border-color:var(--ink)}
.btn-chalk{color:var(--chalk);border-color:rgba(232,240,244,.32)}.btn-chalk:hover{border-color:var(--chalk);background:rgba(232,240,244,.06)}
.lnk{display:inline-flex;align-items:center;gap:10px;font-weight:600;border-bottom:1px solid currentColor;padding-bottom:3px}
.lnk svg{width:16px;height:16px;transition:transform .25s}.lnk:hover svg{transform:translateX(3px)}

/* заголовки секций: «лист» */
.sec{padding:clamp(72px,9vw,132px) 0;position:relative}
.sec-paper{background:var(--paper)}
.hd{max-width:980px;margin-bottom:clamp(34px,4.4vw,60px)}
.lbl{display:flex;align-items:center;gap:12px;font:500 12px/1.2 'JetBrains Mono',monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--ink3);margin-bottom:20px}
.lbl::before{content:'';width:28px;height:1px;background:var(--red);flex:none}
.lbl b{color:var(--red);font-weight:500;white-space:nowrap}
h2{font-size:clamp(24px,3.3vw,46px)}
.lead{margin-top:20px;font-size:clamp(16px,1.25vw,18px);line-height:1.65;color:var(--ink2);max-width:660px}
.dark{background:#0f171c;color:var(--chalk)}
.dark .lbl,.stages .lbl{color:var(--chalk3)}.dark .lead,.stages .lead,.lead-f .lead{color:var(--chalk2)}

/* появление */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--rd,0s)}
.rv.in{opacity:1;transform:none}

/* ---------- шапка ---------- */
.hdr{position:fixed;inset:0 0 auto;z-index:50;height:var(--hh);background:rgba(10,20,27,.84);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--ln2);color:var(--chalk)}
.hdr .wrap{height:100%;display:flex;align-items:center;gap:28px;max-width:1680px}
.logo{flex:none;display:block}.logo img{height:64px;width:auto}
.nav{display:flex;gap:clamp(14px,1.6vw,28px);margin:0 auto;font-size:14.5px;font-weight:500}
.nav a{opacity:.82;padding:6px 0;position:relative;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{opacity:1}
.nav a[aria-current]::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--red)}
/* «Услуги» в меню: остекление и мебель — выпадающим списком */
.nav-sub{position:relative;display:flex}
.nav-sb{position:relative;display:flex;align-items:center;gap:7px;padding:6px 0;border:0;background:none;color:inherit;font:inherit;opacity:.82;cursor:pointer;white-space:nowrap}
.nav-sb::before{content:'';order:2;width:6px;height:6px;border:solid currentColor;border-width:0 1.5px 1.5px 0;transform:translateY(-2px) rotate(45deg);transition:transform .2s}
.nav-sub:hover .nav-sb,.nav-sub.open .nav-sb,.nav-sb.cur{opacity:1}
.nav-sb.cur::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--red)}
.nav-dd{position:absolute;left:-20px;top:calc(100% + 22px);min-width:230px;display:flex;flex-direction:column;padding:6px 20px;background:rgba(10,20,27,.97);border:1px solid var(--ln2);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s}
.nav-dd::before{content:'';position:absolute;left:0;right:0;bottom:100%;height:24px}
.nav-dd a{padding:13px 0}.nav-dd a+a{border-top:1px solid var(--ln)}
.nav-sub:hover .nav-dd,.nav-sub:focus-within .nav-dd,.nav-sub.open .nav-dd{opacity:1;visibility:visible;transform:none}
.nav-sub:hover .nav-sb::before,.nav-sub.open .nav-sb::before{transform:translateY(1px) rotate(-135deg)}
.hdr-r{display:flex;align-items:center;gap:10px;flex:none}
.ic{width:40px;height:40px;display:grid;place-items:center;transition:transform .2s}
.ic:hover{transform:translateY(-2px)}
.ic svg,.ic img{width:36px;height:36px}
.tel{margin-left:8px;line-height:1.2;white-space:nowrap}
.tel small{display:block;font:500 10.5px/1.3 'JetBrains Mono',monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--chalk3)}
.tel b{font:600 17px/1.2 'Onest',sans-serif}
.burger{display:none;width:44px;height:44px;border:1px solid var(--ln3);border-radius:2px;position:relative}
.burger i,.burger i::before,.burger i::after{position:absolute;left:12px;right:12px;height:1.5px;background:var(--chalk);content:'';transition:.25s}
.burger i{top:21px}.burger i::before{left:0;right:0;top:-6px}.burger i::after{left:0;right:0;top:6px}
.nav-open .burger i{background:transparent}.nav-open .burger i::before{top:0;transform:rotate(45deg)}.nav-open .burger i::after{top:0;transform:rotate(-45deg)}
@media (max-width:1199px){
  .burger{display:block}
  .nav{position:fixed;top:var(--hh);left:0;right:0;flex-direction:column;gap:0;padding:8px var(--pad) 24px;background:rgba(10,20,27,.97);border-bottom:1px solid var(--ln2);transform:translateY(-8px);opacity:0;visibility:hidden;transition:.25s}
  .nav a{padding:14px 0;border-bottom:1px solid var(--ln);font-size:17px}
  .nav a[aria-current]::after{display:none}
  .nav-sub,.nav-dd{display:contents}.nav-sb{display:none}.nav-dd{visibility:visible}.nav-dd a+a{border-top:0}
  .nav-open .nav{opacity:1;visibility:visible;transform:none}
}
@media (max-width:767px){
  :root{--hh:64px}
  .logo img{height:52px}
  .tel{display:none}
  .hdr .wrap{gap:10px}.hdr-r{margin-left:auto}
  .ic{width:38px;height:38px}.ic svg,.ic img{width:34px;height:34px}
}

/* ---------- 13 Форма ---------- */
.fld{display:grid;gap:7px}
.fld label{font:500 12px/1 'JetBrains Mono',monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--ink3)}
.fld input,.fld textarea{width:100%;min-height:52px;padding:14px 16px;border:1px solid #d6d1c7;background:#fff;font:400 16px 'Onest';color:var(--ink);border-radius:0;transition:border-color .2s}
.fld textarea{min-height:96px;resize:vertical}
.fld input:focus,.fld textarea:focus{outline:0;border-color:var(--ink)}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink2);line-height:1.45;cursor:pointer}
.agree input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--red);flex:none}
.agree a{text-decoration:underline;text-underline-offset:2px}
.agree+.agree{margin-top:10px}.pop .agree+.agree{margin-top:-4px}
.tag{position:absolute;left:12px;top:12px;padding:6px 9px;background:rgba(17,22,23,.82);color:#fff;font:500 10.5px/1 'JetBrains Mono',monospace;letter-spacing:.08em;text-transform:uppercase}
.tag-red{background:var(--red)}
.lead-f{background:var(--bp);color:var(--chalk);overflow:hidden}
.lead-f::before{content:'';position:absolute;inset:0;background-image:linear-gradient(var(--ln) 1px,transparent 1px),linear-gradient(90deg,var(--ln) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}
.lf-g{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,90px);align-items:center;position:relative}
.lf-g h2{color:#fff}
.mini{display:flex;gap:40px;margin-top:34px}
.mini b{display:block;font:600 40px/1 'Unbounded';color:#fff}
.mini>span{font-size:14px;color:var(--chalk2)}
.fcard{background:#fff;color:var(--ink);padding:clamp(22px,3vw,38px);display:grid;gap:16px;position:relative}
.fcard h3{font-size:21px}
.fcard .thx{display:none;flex-direction:column;gap:14px;align-items:flex-start;min-height:300px;justify-content:center}
.fcard .thx svg{width:60px;height:60px;color:var(--red)}
.fcard.sent form{display:none}.fcard.sent .thx{display:flex}

/* ---------- 14 Доверие + 15 Оплата ---------- */
.trust{display:grid;grid-template-columns:repeat(3,1fr) 1.15fr;gap:0}
.tr{padding:10px 30px 10px 0;border-right:1px solid #ddd8cf;margin-right:30px}
.tr b{display:block;font:600 clamp(48px,5.6vw,84px)/1 'Unbounded';letter-spacing:-.04em;color:var(--ink)}
.tr b em{font-style:normal;color:var(--red)}
.tr>span{display:block;margin-top:12px;color:var(--ink2);font-size:15.5px;max-width:220px}
.banks{display:grid;gap:12px;align-content:center}
.bank{display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:center;padding:16px 18px;border:1px solid #ddd8cf}
.bank img{width:auto;height:34px;max-width:120px;object-fit:contain;object-position:left center}
.bank b{display:block;font-size:16px}.bank small{color:var(--ink3);font-size:13px}
.pay{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,56px);align-items:center}
.pay-ph{margin:0;background:var(--paper2)}
.pay-ph img{display:block;width:100%;height:auto}
.pay-c{display:flex;flex-direction:column;gap:clamp(24px,2.6vw,34px)}
.pay-c .lead{margin-top:16px}
.pay-big{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pay-big>div{display:flex;flex-direction:column;gap:16px;padding:clamp(20px,2vw,26px);background:#fff;border:1px solid #e3e0d9}
.pay-big p{margin-top:auto;font-size:15px;line-height:1.5;color:var(--ink2)}
.pay-big b{color:var(--ink)}
.pay-k{font:500 11.5px/1 'JetBrains Mono',monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3)}
.pay-big .pay-mg{background:var(--bp);border-color:var(--bp);color:var(--chalk)}
.pay-mg .pay-k{color:var(--chalk3)}.pay-mg p{color:var(--chalk2)}.pay-mg b{color:#fff}
.pay-banks{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.pay-banks span{display:grid;place-items:center;height:62px;padding:0 14px;background:#fff}
.pay-banks img{width:auto;height:auto;max-width:100%;max-height:26px}
.pay-bar{display:grid;grid-template-columns:repeat(8,1fr);gap:4px}
.pay-bar i{display:grid;place-items:center;height:62px;border:1px solid #d6d1c7;font:500 12px 'JetBrains Mono',monospace;font-style:normal;color:var(--ink3);transition:background .35s,border-color .35s,color .35s;transition-delay:calc(var(--i) * .12s + .3s)}
.pay-big.in .pay-bar i{background:var(--red);border-color:var(--red);color:#fff}
.pay-l{display:flex;flex-wrap:wrap;gap:8px}
.pay-l li{flex:1 1 118px;position:relative;display:flex;flex-direction:column;gap:16px;padding:18px 14px 16px;background:#fff;border:1px solid #e3e0d9;font-size:14.5px;font-weight:600;line-height:1.3;transition:border-color .25s}
.pay-l li:hover{border-color:var(--ink)}
.pay-l li::after{content:attr(data-n);position:absolute;top:12px;right:12px;font:500 10.5px 'JetBrains Mono',monospace;color:var(--ink3)}
.pay-l svg{width:48px;height:48px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}
.pay-l svg .a{stroke:var(--red)}

/* ---------- попап: кнопки к форме и квизу открывают окно, не якорь ---------- */
.pop{border:0;padding:0;margin:auto;width:min(1180px,94vw);max-width:none;max-height:none;background:transparent;overflow:visible}
.pop.f{width:min(500px,94vw)}
.pop::backdrop{background:rgba(5,11,15,.85);backdrop-filter:blur(4px)}
.pop-in{max-height:calc(100dvh - 120px);overflow:auto;overscroll-behavior:contain;background:var(--paper)}
.pop .fcard[hidden]{display:none}
.pop form{display:grid;gap:14px}
.pop .fcard .lead{margin-top:-6px;font-size:15px}
.pop-x{position:absolute;right:0;top:-54px;width:46px;height:46px;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:24px;z-index:2}
#pop #quiz{padding:clamp(20px,2.4vw,32px) 0}
#pop #quiz .qq-hd{margin-bottom:clamp(18px,2vw,26px)}
#pop #quiz .qq-hd h2{font-size:clamp(24px,2.3vw,32px)}
#pop #quiz .qq-hd .lead{font-size:15px}
body:has(.pop[open]){overflow:hidden}

/* ---------- 16 О компании ---------- */
.about{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(32px,5vw,80px);align-items:center}
.map{background:var(--bp);color:var(--chalk);border:1px solid #e3e0d9}
.map iframe{display:block;width:100%;aspect-ratio:4/3;border:0;background:var(--paper2)}
.map-c{padding:16px 18px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.map-c b{display:block;font-size:16px}.map-c small{font:500 11px 'JetBrains Mono';color:var(--chalk3);letter-spacing:.06em}
.map-c>span:last-child{font-weight:600;color:var(--red);white-space:nowrap}
.map-c:hover>span:last-child{color:#fff}

/* ---------- 17 FAQ ---------- */
.faq{max-width:900px}
.faq details{border-top:1px solid #d6d1c7}
.faq details:last-child{border-bottom:1px solid #d6d1c7}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font:600 clamp(17px,1.4vw,20px)/1.35 'Unbounded';letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{width:34px;height:34px;border:1px solid var(--ink);flex:none;position:relative;transition:.3s}
.faq summary i::before,.faq summary i::after{content:'';position:absolute;left:10px;right:10px;top:16px;height:1.5px;background:var(--ink);transition:.3s}
.faq summary i::after{transform:rotate(90deg)}
.faq details[open] summary i{background:var(--ink)}
.faq details[open] summary i::before,.faq details[open] summary i::after{background:#fff}
.faq details[open] summary i::after{transform:rotate(0)}
.faq details p{padding:0 60px 26px 0;color:var(--ink2);font-size:16.5px;line-height:1.65}

/* ---------- финальный CTA ---------- */
.fin{background:var(--red);color:#fff;position:relative;overflow:hidden}
.fin::before{content:'';position:absolute;right:-60px;bottom:-80px;width:520px;height:480px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 110' fill='none' stroke='%23fff' stroke-width='.8' opacity='.28'%3E%3Cpath d='M10 104V48L60 8l50 40v56'/%3E%3Cpath d='M26 104V58l34-27 34 27v46'/%3E%3Cpath d='M42 104V68l18-14 18 14v36'/%3E%3C/svg%3E") no-repeat center/contain}
.fin .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(30px,5vw,80px);align-items:end}
.fin h2{color:#fff;font-size:clamp(24px,3.3vw,46px)}
.fin p{margin-top:18px;font-size:18px;color:rgba(255,255,255,.88);max-width:560px}
.fin-a{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.fin .btn-ink{min-height:60px}
.fin-tel{font:600 clamp(22px,2vw,28px)/1 'Onest'}
.fin-tel small{display:block;font:500 11px/1.3 'JetBrains Mono';letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.75);margin-bottom:6px}

/* ---------- футер ---------- */
.ftr{background:#0a1217;color:var(--chalk2);padding:64px 0 34px;font-size:15px}
.ftr-g{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.ftr h4{margin:0 0 16px;font:500 11px/1 'JetBrains Mono';letter-spacing:.12em;text-transform:uppercase;color:var(--chalk3)}
.ftr li{margin-bottom:10px}.ftr a:hover{color:#fff}
.ftr .about-t{margin-top:18px;max-width:340px;line-height:1.6}
.ftr-b{margin-top:48px;padding-top:22px;border-top:1px solid var(--ln2);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--chalk3)}
.ftr-doc{display:flex;flex-wrap:wrap;gap:6px 20px}
.ftr .tel-b{font:600 20px 'Onest';color:#fff}

/* плавающие кнопки */
.fab{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;flex-direction:column;gap:10px;transition:opacity .3s,transform .3s}
.fab a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;box-shadow:0 10px 26px -8px rgba(0,0,0,.45);transition:transform .2s}
.fab a:hover{transform:scale(1.07)}
.fab a:last-child{background:var(--red)}
.fab svg{width:22px;height:22px}
.fab a.br{background:none;overflow:hidden}.fab a.br svg,.fab a.br img{width:52px;height:52px}
body.fab-off .fab{opacity:0;transform:translateY(16px);pointer-events:none}

/* ---------- адаптив ---------- */
@media (max-width:1100px){
  .trust{grid-template-columns:repeat(3,1fr)}.banks{grid-column:1/-1;grid-template-columns:1fr 1fr;margin-top:34px}
  .ftr-g{grid-template-columns:1fr 1fr}
}
@media (max-width:1199px){
  .pay{grid-template-columns:minmax(0,1fr)}
  .pay-c{display:contents}
  .pay-hd{order:-1}
  .pay-ph{max-width:560px}
}
@media (max-width:999px){
  .lf-g,.about,.fin .wrap{grid-template-columns:1fr}
}
@media (max-width:767px){
  .sec{padding:64px 0}
  .trust{grid-template-columns:1fr}
  .tr{border-right:0;margin:0;padding:0 0 22px;border-bottom:1px solid #ddd8cf;margin-bottom:22px}
  .banks{grid-template-columns:1fr;margin-top:0}
  .pay-big{grid-template-columns:1fr}
  .pay-l li{flex-basis:140px}
  .pop,.pop.f{width:100vw;height:100dvh;max-height:100dvh;margin:0}
  .pop-in{height:100dvh;max-height:none}
  .pop .fcard{min-height:100%;padding-top:64px}
  .pop-x{position:fixed;top:10px;right:10px}
  #pop #quiz{padding-top:64px}
  .mini{gap:26px}
  .faq details p{padding-right:0}
  .ftr-g{grid-template-columns:1fr}
  .fab{right:12px;bottom:12px}.fab a{width:48px;height:48px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}