/* ЗМК «Пролёт» — «Техпаспорт завода» */
:root {
  --bg: #E8E9E7;
  --surface: #F7F7F5;
  --surface-2: #DADCDA;
  --dark: #16191C;
  --dark-2: #1D2125;
  --text: #111315;
  --text-on-dark: #E9EBEC;
  --muted: #52585E;
  --muted-d: #9DA3A9;
  --line: #BFC3C4;
  --line-d: #2E3338;
  --accent: #FFC20E;
  --accent-ink: #111315;
  --error: #B3261E;
  --f-display: "Sofia Sans Extra Condensed", "Arial Narrow", sans-serif;
  --f-text: "Fira Sans", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;
  --wrap: 1360px;
  --pad: 40px;
  --hdr: 72px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 17px/1.55 var(--f-text);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
[hidden] { display: none !important; }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--text); outline-offset: 3px; }
.dark :focus-visible, .on-dark :focus-visible { outline-color: var(--accent); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }

/* ---------- бирка ---------- */
.tag {
  display: inline-flex; align-items: center; height: 28px; padding: 0 10px 0 16px;
  font: 500 12px/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase;
  position: relative; color: var(--text);
  background:
    linear-gradient(currentColor, currentColor) top / 100% 1px no-repeat,
    linear-gradient(currentColor, currentColor) bottom / 100% 1px no-repeat,
    linear-gradient(currentColor, currentColor) right / 1px 100% no-repeat;
  clip-path: polygon(8px 0, 100% 0, 100% 100%, 0 100%, 0 8px);
  white-space: nowrap;
}
.tag::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: currentColor; }
.tag::after { content: ""; position: absolute; left: 0; top: 0; width: 12px; height: 1.5px; background: currentColor; transform-origin: 0 0; transform: translate(0, 8px) rotate(-45deg); }
.tag--y { background: var(--accent); color: var(--accent-ink); }
.tag--y::before, .tag--y::after { display: none; }
.dark .tag, .on-dark .tag { color: var(--text-on-dark); }
.dark .form .tag { color: var(--text); }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  min-height: 56px; padding: 0 26px; border: 0; border-radius: 0;
  font: 600 16px/1.2 var(--f-text); text-decoration: none; text-align: center;
  transition: background .15s, color .15s, border-color .15s;
}
.btn svg { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; }
.btn--y { background: var(--accent); color: var(--accent-ink); }
@media (hover: hover) { .btn--y:hover { background: var(--text); color: var(--accent); }
 }
.btn--o { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1.5px var(--text); }
@media (hover: hover) { .btn--o:hover { background: var(--text); color: var(--bg); }
 }
.dark .btn--o, .on-dark .btn--o { color: var(--text-on-dark); box-shadow: inset 0 0 0 1.5px var(--text-on-dark); }
@media (hover: hover) { .dark .btn--o:hover, .on-dark .btn--o:hover { background: var(--text-on-dark); color: var(--dark); }
 }
@media (hover: hover) { .dark .btn--y:hover { background: var(--text-on-dark); color: var(--dark); }
 }
.btn[aria-disabled="true"] { background: transparent; color: var(--muted); box-shadow: inset 0 0 0 1.5px var(--line); cursor: not-allowed; }
@media (hover: hover) { .btn[aria-disabled="true"]:hover { background: transparent; color: var(--muted); }
 }
.lnk {
  background: none; border: 0; padding: 0; min-height: 44px; display: inline-flex; align-items: center; gap: 10px;
  font: 500 15px/1.3 var(--f-text); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; color: inherit;
}
.lnk svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; }
@media (hover: hover) { .lnk:hover { text-decoration-thickness: 2px; }
 }

/* ---------- шапка ---------- */
.hdr {
  position: sticky; top: 0; z-index: 50; height: var(--hdr);
  background: rgba(232, 233, 231, .92); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.hdr .wrap { height: 100%; display: flex; align-items: center; gap: 32px; }
.logo { display: flex; flex-direction: column; justify-content: center; text-decoration: none; line-height: 1; gap: 4px; flex: none; min-height: 44px; }
.logo b { font: 900 28px/.85 var(--f-display); letter-spacing: .01em; }
.logo small { font: 400 10px/1 var(--f-mono); color: var(--muted); letter-spacing: .04em; }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { font: 500 15px/1 var(--f-text); text-decoration: none; padding: 10px 0; position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px; background: var(--text); transform: scaleX(0); transform-origin: left; transition: transform .2s var(--ease); }
@media (hover: hover) { .nav a:hover::after { transform: scaleX(1); } }
.nav a[aria-current="page"]::after, .nav a.is-active::after { transform: scaleX(1); }
.hdr-tel { font: 500 15px/1 var(--f-mono); text-decoration: none; white-space: nowrap; }
.hdr .btn { min-height: 44px; padding: 0 18px; font-size: 15px; }
.burger { display: none; width: 44px; height: 44px; border: 0; background: none; padding: 0; margin-left: auto; }
.burger svg { width: 28px; height: 28px; margin: auto; stroke: var(--text); stroke-width: 1.5; fill: none; }

.menu {
  position: fixed; inset: 0; z-index: 90; background: var(--dark); color: var(--text-on-dark);
  display: flex; flex-direction: column; padding: 16px 16px calc(24px + env(safe-area-inset-bottom));
  transform: translateY(-100%); visibility: hidden; transition: transform .35s var(--ease), visibility 0s .35s;
}
.menu.open { transform: none; visibility: visible; transition: transform .35s var(--ease); }
.menu-top { display: flex; justify-content: space-between; align-items: center; height: 44px; }
.menu-top .logo small { color: var(--muted-d); }
.menu nav { margin: 40px 0 auto; display: flex; flex-direction: column; }
.menu nav a { font: 800 40px/1 var(--f-display); text-transform: uppercase; text-decoration: none; padding: 12px 0; border-bottom: 1px solid var(--line-d); }
.menu .hdr-tel { font-size: 18px; padding: 14px 0; display: block; }
.menu .btn { width: 100%; }
.x { width: 44px; height: 44px; border: 0; background: none; display: grid; place-items: center; padding: 0; color: inherit; }
.x svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.5; fill: none; }

/* ---------- секции ---------- */
.sec { padding: 96px 0; }
.sec > .wrap { position: relative; }
.sec.ruled { padding-top: 0; }
.ruled .sec-head { padding-top: 96px; }
.tz-sec { padding-top: 112px; }
.sec-rule { border-top: 1px solid var(--line); }
.dark { background: var(--dark); color: var(--text-on-dark); }
.dark .sec-rule { border-color: var(--line-d); }
.sec-head { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; align-items: end; margin-bottom: 64px; padding-top: 28px; }
.sec-head .tag { grid-column: 1 / -1; justify-self: start; margin-bottom: 8px; }
.sec-head h2 { grid-column: 1 / span 7; }
.sec-head .lead { grid-column: 9 / -1; }
h2, .h2 { font: 800 clamp(44px, 6vw, 96px)/.9 var(--f-display); text-transform: uppercase; letter-spacing: 0; }
.lead { font-size: 20px; line-height: 1.45; max-width: 62ch; }
.dark .lead { color: var(--text-on-dark); }
.muted { color: var(--muted); }
.dark .muted { color: var(--muted-d); }

/* сканер для таблиц */
.scan { position: relative; }
.js .scan > .scan-row { opacity: 0; transition: opacity .35s ease; transition-delay: calc(var(--i, 0) * 60ms); }
.js .scan.scanned > .scan-row { opacity: 1; }
.scan::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: currentColor; opacity: 0; pointer-events: none; }
.js .scan.scanning::after { animation: scan .6s linear forwards; }
@keyframes scan { 0% { top: 0; opacity: .4; } 95% { opacity: .4; } 100% { top: 100%; opacity: 0; } }

/* reveal */
.js .rv { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .rv.in { opacity: 1; transform: none; }

/* ---------- первый экран ---------- */
.hero { padding: 36px 0 0; position: relative; }
.hero-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 0 24px; }
.hero-txt { grid-column: 1 / -1; display: flex; flex-direction: column; align-items: flex-start; }
.hero h1 { font: 900 clamp(64px, 7.2vw, 120px)/.86 var(--f-display); text-transform: uppercase; margin: 20px 0 0; letter-spacing: -.005em; }
.hero h1 .hl { white-space: nowrap; }
.hero-aside { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; align-items: end; padding: 32px 0 40px; }
.hero-sub { grid-column: 1 / span 6; font-size: 20px; line-height: 1.45; max-width: 58ch; }
.hero-act { grid-column: 8 / -1; display: flex; flex-direction: column; align-items: flex-end; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust { margin-top: 14px; font: 400 12.5px/1.4 var(--f-mono); color: var(--muted); letter-spacing: .01em; }
/* лист техпаспорта: фото в размерной рамке */
.hero-sheet { grid-column: 1 / -1; display: grid; grid-template-columns: 36px minmax(0, 1fr); grid-template-rows: 30px auto 38px; position: relative; margin: 0 0 32px -36px; }
.hero-ph { grid-column: 2; grid-row: 2; position: relative; overflow: hidden; background: var(--surface-2); height: clamp(420px, 40vw, 600px); }
.hero-ph img { position: absolute; inset: -6% 0; width: 100%; height: 112%; object-fit: cover; object-position: 50% 58%; will-change: transform; }
.hs-dim { display: flex; align-items: center; gap: 12px; font: 500 11.5px/1 var(--f-mono); letter-spacing: .08em; color: var(--text); white-space: nowrap; }
.hs-dim i { flex: 1; background: var(--text); }
.hs-top { grid-column: 2; grid-row: 1; border-left: 1px solid var(--text); border-right: 1px solid var(--text); height: 18px; align-self: start; }
.hs-top i { height: 1px; transform-origin: 50% 50%; }
.hs-left { grid-column: 1; grid-row: 2; flex-direction: column; width: 18px; border-top: 1px solid var(--text); border-bottom: 1px solid var(--text); }
.hs-left i { width: 1px; }
.hs-left span { writing-mode: vertical-rl; transform: rotate(180deg); }
.hs-chain { grid-column: 2; grid-row: 3; display: grid; grid-template-columns: repeat(12, 1fr); border-right: 1px solid var(--text); height: 14px; align-self: start; margin-top: 8px; background: linear-gradient(var(--text), var(--text)) 0 50% / 100% 1px no-repeat; }
.hs-chain span { border-left: 1px solid var(--text); position: relative; }
.hs-chain span::after { content: "6 000"; position: absolute; left: 50%; top: 14px; transform: translateX(-50%); font: 400 10.5px/1 var(--f-mono); color: var(--muted); letter-spacing: .04em; white-space: nowrap; }
.hs-mark { position: absolute; z-index: 2; display: flex; align-items: center; gap: 8px; font: 500 11.5px/1 var(--f-mono); letter-spacing: .06em; color: var(--text-on-dark); background: var(--dark); padding: 7px 10px; }
.hs-mark::before { content: ""; position: absolute; width: 11px; height: 11px; border: 2px solid var(--surface); border-radius: 50%; box-shadow: 0 0 0 2px rgba(17, 19, 21, .6); }
.hs-m1 { left: 22%; top: 30%; }
.hs-m1::before { left: -26px; top: 50%; margin-top: -6px; }
.hs-m2 { right: calc(36% + 20px); top: calc(23% - 12px); }
.hs-m2::before { right: -26px; top: 50%; margin-top: -6px; }
.hs-stamp { position: absolute; right: 0; bottom: 38px; z-index: 3; display: grid; grid-template-columns: auto auto auto auto; background: var(--surface); border: 1px solid var(--text); border-right: 0; border-bottom: 0; font: 400 11.5px/1.2 var(--f-mono); }
.hs-stamp > * { padding: 8px 12px; border-right: 1px solid var(--text); border-bottom: 1px solid var(--line); }
.hs-stamp > :nth-last-child(-n+4) { border-bottom: 0; }
.hs-stamp span { color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-size: 10.5px; border-right-color: var(--line); }
.hs-stamp b { font-weight: 500; }
@media (prefers-reduced-motion: no-preference) {
  .js .hs-top i { animation: hsX .9s var(--ease) .25s both; }
  .js .hs-left i { animation: hsY .9s var(--ease) .25s both; }
  .js .hs-dim span, .js .hs-chain { animation: hsF .6s ease .7s both; }
  .js .hs-mark { animation: hsM .5s var(--ease) both; }
  .js .hs-m1 { animation-delay: 1s; } .js .hs-m2 { animation-delay: 1.15s; }
}
@keyframes hsX { from { transform: scaleX(0); } }
@keyframes hsY { from { transform: scaleY(0); } }
@keyframes hsF { from { opacity: 0; } }
@keyframes hsM { from { opacity: 0; transform: translateY(6px); } }
.cap {
  font: 400 12px/1.3 var(--f-mono); letter-spacing: .02em; color: var(--text-on-dark);
  background: var(--dark); padding: 8px 12px; display: inline-block;
}
.specbar { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--text); border-bottom: 1px solid var(--line); margin-top: 0; }
.specbar > div { padding: 14px 20px 14px; border-left: 1px solid var(--line); }
.specbar > div:first-child { border-left: 0; padding-left: 0; }
.specbar b { display: block; font: 800 48px/1 var(--f-display); letter-spacing: 0; }
.specbar span { display: block; margin-top: 4px; font-size: 13px; line-height: 1.35; color: var(--muted); }

/* ---------- прайс ---------- */
.price { border-top: 1px solid var(--text); }
.price-hd, .price-row { display: grid; grid-template-columns: 5fr 3fr 2fr 2.2fr; }
.price-hd { font: 500 12px/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); }
.price-hd > div { padding: 14px 20px; }
.price-hd > div:first-child { padding-left: 0; }
.price-row { border-bottom: 1px solid var(--line); transition: background .15s; }
@media (hover: hover) { .price-row:hover { background: var(--surface); }
 }
.price-row > div { padding: 24px 20px; border-left: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; }
.price-row > div:first-child { border-left: 0; padding-left: 0; }
@media (hover: hover) { .price-row:hover > div:first-child { padding-left: 16px; transition: padding .2s var(--ease); }
 }
.price-row h3 { font: 600 19px/1.3 var(--f-text); }
.price-row p { font-size: 15px; color: var(--muted); margin-top: 4px; line-height: 1.45; }
.pv { font: 500 20px/1.3 var(--f-mono); font-variant-numeric: tabular-nums; }
.pv small { display: block; font: 400 12px/1.3 var(--f-mono); color: var(--muted); letter-spacing: .02em; margin-bottom: 2px; }
.pv + small { font: 400 12px/1.3 var(--f-mono); color: var(--muted); }
.pv-2 { margin-top: 10px; }
.pt { font: 400 15px/1.3 var(--f-mono); }
.price-row .lnk { font-size: 15px; font-weight: 600; justify-content: flex-start; }
.price-note { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; margin-top: 32px; }
.price-note p:first-child { grid-column: 1 / span 5; font-size: 14px; color: var(--muted); line-height: 1.5; }
.price-note .punch { grid-column: 7 / -1; font: 500 17px/1.5 var(--f-text); padding-left: 24px; border-left: 2px solid var(--text); }

/* ---------- калькулятор ---------- */
.calc { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px 40px; align-items: start; }
.calc-main { grid-column: 1 / span 7; }
.calc-side { grid-column: 8 / -1; position: sticky; top: 96px; }
.purpose { display: flex; border: 1px solid var(--text); margin-bottom: 0; }
.purpose label { flex: 1; position: relative; }
.purpose input, .seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.purpose span {
  display: flex; align-items: center; justify-content: center; min-height: 56px; padding: 0 12px;
  font: 600 16px/1.2 var(--f-text); cursor: pointer; border-left: 1px solid var(--text); text-align: center; transition: background .15s, color .15s;
}
.purpose label:first-child span { border-left: 0; }
.purpose input:checked + span { background: var(--text); color: var(--bg); }
.purpose input:focus-visible + span, .seg input:focus-visible + span { outline: 3px solid var(--text); outline-offset: 2px; position: relative; z-index: 1; }
@media (hover: hover) { .purpose span:hover { background: var(--surface); }
 }
@media (hover: hover) { .purpose input:checked + span:hover { background: var(--text); }
 }

.ctable { background: var(--surface); border: 1px solid var(--line); border-top: 0; }
.crow { display: grid; grid-template-columns: 200px 1fr; gap: 20px; align-items: center; padding: 14px 20px; min-height: 64px; border-top: 1px solid var(--line); position: relative; }
.crow-l { font-size: 15px; color: var(--muted); line-height: 1.3; }
.crow-l small { display: block; font: 400 11px/1.3 var(--f-mono); letter-spacing: .02em; margin-top: 3px; }
.crow-msg { grid-column: 2; font-size: 14px; line-height: 1.4; margin-top: -4px; }
.crow-msg:empty { display: none; }
.crow.is-conflict { box-shadow: inset 0 0 0 2px var(--text); }
.crow-msg .lnk { min-height: 32px; font-weight: 600; }

.seg { display: flex; flex-wrap: wrap; }
.seg label { position: relative; flex: 1 1 0; min-width: 0; }
.seg span {
  display: flex; flex-direction: column; justify-content: center; align-items: center; min-height: 44px; padding: 6px 10px;
  border: 1px solid var(--line); margin-left: -1px; cursor: pointer; background: var(--surface);
  font: 500 15px/1.2 var(--f-text); text-align: center; transition: background .15s, color .15s, border-color .15s;
}
.seg label:first-child span { margin-left: 0; }
@media (hover: hover) { .seg span:hover { border-color: var(--text); position: relative; z-index: 1; }
 }
.seg input:checked + span { background: var(--text); color: var(--surface); border-color: var(--text); position: relative; z-index: 2; }
.seg--mono span { font: 500 16px/1 var(--f-mono); }
.seg--env span { align-items: flex-start; text-align: left; padding: 8px 12px; min-height: 60px; }
.seg--env span b { font-weight: 600; font-size: 15px; }
.seg--env span i { font: 400 12px/1.3 var(--f-mono); font-style: normal; opacity: .75; margin-top: 3px; }

.range { display: flex; align-items: center; gap: 16px; }
.range input[type=range] { flex: 1; min-width: 0; height: 44px; background: transparent; -webkit-appearance: none; appearance: none; margin: 0; cursor: pointer; }
.range input[type=range]::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(var(--text), var(--text)) 0 0 / var(--p, 50%) 100% no-repeat, var(--line); }
.range input[type=range]::-moz-range-track { height: 2px; background: var(--line); }
.range input[type=range]::-moz-range-progress { height: 2px; background: var(--text); }
.range input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; margin-top: -10px; background: var(--surface); border: 2px solid var(--text); border-radius: 0; transform: rotate(45deg); }
.range input[type=range]::-moz-range-thumb { width: 18px; height: 18px; background: var(--surface); border: 2px solid var(--text); border-radius: 0; transform: rotate(45deg); }
.range input[type=range]:focus-visible { outline-offset: 0; }
.num { display: flex; align-items: center; border: 1px solid var(--line); background: #fff; height: 46px; width: 104px; flex: none; }
.num:focus-within { border-color: var(--text); }
.num input { width: 100%; min-width: 0; height: 100%; border: 0; background: none; padding: 0 0 0 12px; font: 500 16px/1 var(--f-mono); text-align: left; }
.num input:focus { outline: none; }
.num span { padding-right: 12px; font: 400 14px/1 var(--f-mono); color: var(--muted); }

.sel { position: relative; }
.sel select {
  width: 100%; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: 0; padding: 0 44px 0 12px;
  -webkit-appearance: none; appearance: none; font: 500 16px/1 var(--f-text); cursor: pointer;
}
.sel::after { content: ""; position: absolute; right: 16px; top: 50%; width: 8px; height: 8px; border-right: 1.5px solid var(--text); border-bottom: 1.5px solid var(--text); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.sel select:focus-visible { outline: 3px solid var(--text); outline-offset: 2px; }
.snow-ro { font: 500 16px/1.3 var(--f-mono); }
.snow-ro small { font: 400 12px/1 var(--f-mono); color: var(--muted); margin-left: 10px; }
.snow-other { display: grid; gap: 10px; }
.snow-other .seg span { min-height: 44px; }
.snow-other .dist { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); flex-wrap: wrap; }
.snow-other .num { width: 120px; }

.stepper { display: inline-flex; align-items: center; border: 1px solid var(--line); background: #fff; height: 44px; }
.stepper button { width: 44px; height: 44px; border: 0; background: none; display: grid; place-items: center; }
@media (hover: hover) { .stepper button:hover { background: var(--surface-2); }
 }
.stepper button:disabled { opacity: .3; cursor: default; background: none; }
.stepper svg { width: 16px; height: 16px; stroke: currentColor; stroke-width: 1.5; fill: none; }
.stepper output { min-width: 44px; text-align: center; font: 500 16px/1 var(--f-mono); border-left: 1px solid var(--line); border-right: 1px solid var(--line); height: 100%; display: grid; place-items: center; }
.stepper-note { margin-left: 14px; font-size: 13px; color: var(--muted); }

.sw { display: inline-flex; align-items: center; gap: 14px; cursor: pointer; min-height: 44px; }
.sw input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.sw i { width: 52px; height: 28px; border: 1.5px solid var(--text); position: relative; flex: none; transition: background .15s; }
.sw i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 19px; height: 19px; background: var(--text); transition: transform .2s var(--ease), background .2s; }
.sw input:checked + i { background: var(--text); }
.sw input:checked + i::after { transform: translateX(24px); background: var(--surface); }
.sw input:focus-visible + i { outline: 3px solid var(--text); outline-offset: 3px; }
.sw b { font: 500 15px/1.3 var(--f-mono); }

/* модель */
.model {
  position: relative; background-color: var(--surface); border: 1px solid var(--line);
  background-image: linear-gradient(rgba(82, 88, 94, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(82, 88, 94, .08) 1px, transparent 1px);
  background-size: 20px 20px; background-position: -1px -1px;
}
.model svg { width: 100%; height: auto; aspect-ratio: 640 / 440; }
.model .m-main { stroke: var(--text); stroke-width: 1.25; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.model .m-sec { stroke: var(--muted); stroke-width: 1; fill: none; }
.model .m-ground { stroke: var(--line); stroke-width: 1; fill: none; stroke-dasharray: 4 4; }
.model .m-hatch { stroke: var(--text); stroke-width: 1; opacity: .12; }
.model .m-gate { stroke: var(--text); stroke-width: 1.25; fill: rgba(17, 19, 21, .06); }
.model .m-crane { stroke: var(--text); stroke-width: 3; fill: none; }
.model .m-dim { stroke: var(--muted); stroke-width: 1; fill: none; }
.model text { font: 500 14px var(--f-mono); fill: var(--text); letter-spacing: .02em; }
.model .m-step { fill: var(--muted); font-size: 12.5px; letter-spacing: .06em; }
.model .m-stamp { position: absolute; right: 0; top: 0; display: flex; border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); background: var(--surface); font: 400 10px/1 var(--f-mono); color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.model .m-stamp span { padding: 6px 8px; border-left: 1px solid var(--line); }
.model .m-stamp span:first-child { border-left: 0; }
.model .m-stamp b { color: var(--text); font-weight: 500; }
.model .m-lbl { position: absolute; left: 12px; top: 10px; font: 500 11px/1 var(--f-mono); letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }

/* итог */
.total { background: var(--surface); border: 1px solid var(--line); border-top: 0; padding: 22px 24px 20px; }
.total-k { font: 500 11px/1 var(--f-mono); letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.total-sum { display: inline-block; margin: 10px 0 10px -4px; padding: 2px 10px 0; background: var(--accent); color: var(--accent-ink); font: 800 clamp(56px, 5.2vw, 80px)/1 var(--f-display); letter-spacing: 0; font-variant-numeric: tabular-nums; white-space: nowrap; }
.total-m2 { font: 500 16px/1.3 var(--f-mono); }
.total-m2 span { color: var(--muted); padding: 0 8px; }
.tlines { margin: 16px 0 18px; border-top: 1px solid var(--line); }
.tlines > div { display: grid; grid-template-columns: 90px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.tlines dt { color: var(--muted); }
.tlines dd { margin: 0; font: 500 15px/1.4 var(--f-mono); }
.tlines dd small { display: block; font: 400 12px/1.4 var(--f-mono); color: var(--muted); }
.tconf { font: 600 15px/1.35 var(--f-text); padding: 10px 12px; box-shadow: inset 0 0 0 2px var(--text); margin-bottom: 14px; }
.tbtns { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tbtns .btn { padding: 0 14px; font-size: 15px; }
.tnote { margin-top: 14px; font-size: 13px; line-height: 1.5; color: var(--muted); }
.tsaved { margin-top: 12px; font-size: 14px; line-height: 1.45; padding: 10px 12px; background: var(--surface-2); }
.tsaved .lnk { min-height: 28px; font-weight: 600; font-size: 14px; }

/* смета */
.smeta { margin-top: 64px; }
.smeta-hd { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; border-bottom: 1px solid var(--text); padding-bottom: 12px; }
.smeta-hd h3 { font: 800 32px/1 var(--f-display); text-transform: uppercase; }
.smeta-hd span { font: 400 12px/1 var(--f-mono); color: var(--muted); letter-spacing: .04em; }
.smeta-tg { display: none; }
.srow { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); min-height: 56px; font-size: 16px; }
.srow .sv { font: 500 16px/1.3 var(--f-mono); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.srow .sd { font: 400 13px/1.4 var(--f-mono); color: var(--muted); display: block; margin-top: 2px; }
.srow.off { color: var(--muted); }
.srow.off .sv { color: var(--muted); }
.srow .lnk { min-height: 32px; margin-left: 12px; font-weight: 600; color: var(--text); }
.srow.sum { border-bottom: 1px solid var(--text); border-top: 1px solid var(--text); margin-top: -1px; font-weight: 600; }
.srow.sum .sv { font-size: 20px; }

/* мобильная панель калькулятора */
.mbar, .cbar { display: none; }

/* ---------- паспорт ---------- */
.pasp { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px 40px; }
.pasp-main { grid-column: 1 / span 7; }
.pasp-side { grid-column: 8 / -1; display: grid; gap: 24px; align-content: start; }
.tabs { display: flex; border-bottom: 1px solid var(--line-d); }
.tabs button {
  flex: 1; min-height: 56px; background: none; border: 0; color: var(--muted-d); font: 600 17px/1.2 var(--f-text); position: relative; padding: 0 12px;
}
.tabs button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--accent); transform: scaleX(0); transition: transform .25s var(--ease); }
.tabs button[aria-selected="true"] { color: var(--text-on-dark); }
.tabs button[aria-selected="true"]::after { transform: scaleX(1); }
@media (hover: hover) { .tabs button:hover { color: var(--text-on-dark); }
 }
.tabs { display: none; }
.js .tabs { display: flex; }
.panels { position: relative; transition: height .3s var(--ease); overflow: hidden; }
.panel h3 { font: 800 28px/1 var(--f-display); text-transform: uppercase; margin: 32px 0 8px; }
.js .panel h3 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.js .panel[hidden] { display: none; }
.spec-row { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 17px 0; border-bottom: 1px solid var(--line-d); min-height: 56px; }
.spec-row dt { font-size: 15px; color: var(--muted-d); }
.spec-row dd { margin: 0; font: 500 15.5px/1.5 var(--f-mono); }
.pasp-act { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; margin-top: 32px; }
.pasp-ph { position: relative; overflow: hidden; }
.pasp-ph img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.pasp-ph .cap { position: absolute; left: 0; bottom: 0; background: rgba(22, 25, 28, .88); }
.pasp-foot { grid-column: 1 / -1; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line-d); font-size: 17px; color: var(--muted-d); }
.pasp-foot a { color: var(--text-on-dark); font-family: var(--f-mono); white-space: nowrap; display: inline-block; padding: 11px 0; margin: -11px 0; }

/* ---------- объекты ---------- */
.objs { display: grid; grid-template-columns: 1fr 1fr; gap: 64px 24px; }
.obj { display: flex; flex-direction: column; }
.obj-ph { overflow: hidden; aspect-ratio: 4 / 3; background: var(--surface-2); }
.obj-ph img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.9); transition: transform .4s var(--ease); }
@media (hover: hover) { .obj:hover .obj-ph img { transform: scale(1.03); }
 }
.obj h3 { font: 600 20px/1.3 var(--f-text); padding: 16px 0 12px; border-top: 1px solid var(--text); margin-top: 16px; }
.spec-mini > div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 15px; }
.spec-mini dt { color: var(--muted); }
.spec-mini dd { margin: 0; font: 500 15px/1.4 var(--f-mono); }
.objs-more { margin-top: 56px; display: flex; justify-content: flex-start; }

/* ---------- порядок работ ---------- */
.proc-ph { position: relative; height: 360px; overflow: hidden; margin-bottom: 0; }
.proc-ph img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 68%; }
.proc-ph .cap { position: absolute; left: 0; bottom: 0; }
.proc { border-top: 1px solid var(--text); }
.proc-row { display: grid; grid-template-columns: 4fr 6fr 3fr; border-bottom: 1px solid var(--line); }
.proc-row > * { padding: 28px 24px; border-left: 1px solid var(--line); }
.proc-row > :first-child { border-left: 0; padding-left: 0; }
.proc-row h3 { font: 800 28px/1 var(--f-display); text-transform: uppercase; display: flex; align-items: baseline; gap: 14px; }
.proc-row h3::before { content: ""; width: 18px; height: 2px; background: currentColor; flex: none; transform: translateY(-8px); }
.proc-row p { font-size: 17px; line-height: 1.5; }
.proc-row .pt { font: 500 15px/1.5 var(--f-mono); }

/* ---------- отзывы ---------- */
.revs { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--text); border-bottom: 1px solid var(--line); }
.rev { padding: 32px 32px 36px; border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: 22px; }
.rev:first-child { border-left: 0; padding-left: 0; }
.rev blockquote { margin: 0; font-size: 18px; line-height: 1.55; }
.rev footer b { display: block; font-weight: 600; }
.rev footer span { display: block; font-size: 15px; color: var(--muted); margin-top: 2px; }
.rev .tag { align-self: flex-start; }
.rev .obj-line { font: 400 13px/1.4 var(--f-mono); padding-top: 14px; border-top: 1px solid var(--line); margin-top: auto; }

/* ---------- ТЗ ---------- */
.hazard { height: 8px; background: repeating-linear-gradient(-45deg, var(--accent) 0 12px, var(--dark) 12px 24px); }
.tz { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px 40px; }
.tz-l { grid-column: 1 / span 5; display: flex; flex-direction: column; gap: 32px; }
.tz-r { grid-column: 6 / -1; }
.tz-l h2 { margin-top: 20px; }
.tz-l .tag { align-self: flex-start; }
.next li { padding: 14px 0 14px 34px; border-top: 1px solid var(--line-d); position: relative; font-size: 17px; }
.next li::before { content: ""; position: absolute; left: 0; top: 27px; width: 18px; height: 1px; background: var(--text-on-dark); opacity: .6; }
.next li:last-child { border-bottom: 1px solid var(--line-d); }
.sla { border: 1px solid var(--line-d); padding: 20px 22px; }
.sla p { font: 400 13px/1.3 var(--f-mono); color: var(--muted-d); letter-spacing: .04em; text-transform: uppercase; }
.sla b { display: block; font: 800 44px/1 var(--f-display); color: var(--accent); margin-top: 10px; text-transform: uppercase; letter-spacing: .01em; }
.tz-ph { position: relative; }
.tz-ph img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.tz-ph .cap { position: absolute; left: 0; bottom: 0; background: rgba(22, 25, 28, .88); }

.form { background: var(--surface); color: var(--text); border: 1px solid var(--line); padding: 36px; }
.form .f { margin-bottom: 22px; position: relative; }
.form label.fl, .form .fl { display: block; font-size: 14px; color: var(--muted); margin-bottom: 8px; }
.fl em { font-style: normal; color: var(--text); }
.inp { width: 100%; height: 52px; border: 1px solid var(--line); background: #fff; border-radius: 0; padding: 0 14px; font-size: 16px; }
textarea.inp { height: auto; min-height: 104px; padding: 12px 14px; resize: vertical; line-height: 1.5; }
.inp:focus { outline: none; border-color: var(--text); box-shadow: inset 0 0 0 1px var(--text); }
.inp:focus-visible { outline: none; }
.f.err .inp, .f.err .drop, .f.err .chips { box-shadow: inset 0 0 0 2px var(--text); border-color: var(--text); }
.ferr { display: none; color: var(--error); font-size: 14px; line-height: 1.4; margin-top: 6px; }
.f.err .ferr { display: block; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.drop { border: 1px dashed var(--muted); min-height: 160px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 20px; gap: 6px; background: #fff; transition: background .15s, border-color .15s; }
.drop.over { border: 2px solid var(--text); background: var(--surface-2); }
.drop svg { width: 28px; height: 28px; stroke: var(--text); stroke-width: 1.5; fill: none; margin-bottom: 4px; }
.drop b { font-weight: 600; font-size: 17px; }
.drop small { font: 400 12px/1.5 var(--f-mono); color: var(--muted); max-width: 44ch; }
.drop .lnk { min-height: 36px; font-weight: 600; }
.drop .m-only { display: none; }
.files { margin-top: 8px; }
.files li { display: grid; grid-template-columns: 20px 1fr auto 44px; gap: 10px; align-items: center; border-bottom: 1px solid var(--line); min-height: 48px; font-size: 15px; }
.files li svg { width: 18px; height: 18px; stroke: var(--muted); stroke-width: 1.5; fill: none; }
.files .fn { overflow: hidden; white-space: nowrap; min-width: 0; }
.files .fs { font: 400 13px/1 var(--f-mono); color: var(--muted); }
.files .x svg { width: 16px; height: 16px; stroke: var(--text); }
.files-sum { font: 400 13px/1 var(--f-mono); color: var(--muted); margin-top: 10px; }
.drop-err { color: var(--error); font-size: 14px; margin-top: 8px; }
.drop-err:empty { display: none; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; border: 1px solid transparent; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px; border: 1px solid var(--line); background: #fff; font-size: 15px; font-weight: 500; cursor: pointer; transition: background .15s, color .15s; }
.chip span::before { content: ""; width: 10px; height: 6px; border-left: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(-45deg) translateY(-2px); opacity: 0; transition: opacity .15s; }
.chip input:checked + span { background: var(--text); color: var(--surface); border-color: var(--text); }
.chip input:checked + span::before { opacity: 1; }
.chip input:focus-visible + span { outline: 3px solid var(--text); outline-offset: 2px; }
.cb { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; font-size: 15px; line-height: 1.45; min-height: 44px; padding-top: 2px; }
.cb input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.cb i { width: 22px; height: 22px; border: 1.5px solid var(--text); flex: none; position: relative; background: #fff; margin-top: 0; }
.cb i::after { content: ""; position: absolute; left: 6px; top: 2px; width: 6px; height: 11px; border-right: 2px solid var(--surface); border-bottom: 2px solid var(--surface); transform: rotate(45deg); opacity: 0; }
.cb input:checked + i { background: var(--text); }
.cb input:checked + i::after { opacity: 1; }
.cb input:focus-visible + i { outline: 3px solid var(--text); outline-offset: 3px; }
.cb .lnk { min-height: 0; display: inline; font-size: inherit; font-weight: 500; }
.cb-calc { background: var(--surface-2); padding: 10px 12px; }
.cb-calc b { font: 500 14px/1.45 var(--f-mono); display: block; }
.form .btn { width: 100%; }
.dark .form .btn--o { color: var(--text); box-shadow: inset 0 0 0 1.5px var(--text); }
@media (hover: hover) { .dark .form .btn--o:hover { background: var(--text); color: var(--surface); }
 }
.dark .form :focus-visible { outline-color: var(--text); }
@media (hover: hover) { .dark .form .btn--y:hover { background: var(--text); color: var(--accent); }
 }
.form .sel select { height: 52px; }
.panel .scan.scanning::after { animation-duration: .22s; }
.js .panel .scan > .scan-row { transition-duration: .2s; transition-delay: calc(var(--i, 0) * 22ms); }
.form-sla { margin-top: 14px; font: 500 14px/1.45 var(--f-mono); }
.form-fine { margin-top: 6px; font-size: 13px; color: var(--muted); line-height: 1.5; }
.ok { display: none; }
.ok.show { display: block; }
.ok h3 { font: 800 44px/.95 var(--f-display); text-transform: uppercase; margin: 16px 0 16px; }
.ok p { font-size: 17px; line-height: 1.55; }
.ok ul { margin: 16px 0 22px; }
.ok li { font: 400 14px/1.4 var(--f-mono); padding: 8px 0; border-bottom: 1px solid var(--line); }
.ok small { display: block; margin-top: 14px; font-size: 13px; color: var(--muted); }
.ok .btn { width: auto; }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.faq-grid .sec-head { grid-column: 1 / span 4; display: block; margin: 0; align-self: start; position: sticky; top: 110px; }
.faq-grid .sec-head h2 { margin-top: 24px; font-size: clamp(44px, 4.8vw, 76px); }
.faq { grid-column: 6 / -1; border-top: 1px solid var(--text); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 22px 0; min-height: 64px; cursor: pointer; font: 600 19px/1.35 var(--f-text); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { width: 20px; height: 20px; position: relative; flex: none; }
.faq summary i::before, .faq summary i::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; background: var(--text); transition: transform .25s var(--ease); }
.faq summary i::after { transform: rotate(90deg); }
.faq details[open] summary i::after { transform: rotate(0); }
.faq details p { padding: 0 64px 24px 0; font-size: 17px; line-height: 1.6; color: #2a2e32; max-width: 70ch; }

/* ---------- контакты ---------- */
.kont { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px 40px; }
.kont-l { grid-column: 1 / span 6; }
.kont-r { grid-column: 7 / -1; }
.ktable { border-top: 1px solid var(--text); }
.ktable > div { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--line); min-height: 56px; align-items: center; }
.ktable dt { color: var(--muted); font-size: 15px; }
.ktable dd { margin: 0; font: 500 16px/1.4 var(--f-mono); }
.ktable dd a { text-decoration: none; border-bottom: 1px solid currentColor; }
.ktable dd .lnk { font-family: var(--f-text); min-height: 44px; }
.kont-act { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.scheme { background: var(--surface); border: 1px solid var(--line); }
.scheme svg { width: 100%; height: auto; }
.scheme-scroll { overflow-x: auto; scrollbar-width: thin; }
.scheme text { font: 500 12px var(--f-mono); fill: var(--text); }
.scheme .s-m { fill: var(--muted); font-size: 11px; }
.scheme-foot { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); padding: 0 16px; font: 400 12px/1.3 var(--f-mono); color: var(--muted); gap: 12px; flex-wrap: wrap; }
.scheme-foot a { font-family: var(--f-text); font-size: 15px; color: var(--text); }

/* ---------- подвал ---------- */
.ftr { background: var(--dark); color: var(--text-on-dark); padding: 64px 0 40px; border-top: 1px solid var(--line-d); }
.ftr-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; align-items: start; }
.ftr .logo { grid-column: 1 / span 4; }
.ftr .logo b { font-size: 44px; }
.ftr .logo small { color: var(--muted-d); }
.ftr-tx { grid-column: 1 / span 5; color: var(--muted-d); font-size: 15px; margin-top: 18px; }
.ftr nav { grid-column: 7 / -1; grid-row: 1 / span 2; display: flex; flex-wrap: wrap; gap: 4px 28px; justify-content: flex-end; }
.ftr nav a { text-decoration: none; font-size: 15px; min-height: 44px; display: inline-flex; align-items: center; }
@media (hover: hover) { .ftr nav a:hover { text-decoration: underline; }
 }
.ftr-b { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line-d); font: 400 13px/1.4 var(--f-mono); color: var(--muted-d); align-items: center; }
.ftr-b .lnk { font-family: var(--f-text); font-size: 14px; color: var(--text-on-dark); min-height: 44px; }

/* ---------- модалки ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; visibility: hidden; opacity: 0; transition: opacity .2s, visibility 0s .2s; }
.modal.open { visibility: visible; opacity: 1; transition: opacity .2s; }
.modal-bg { position: absolute; inset: 0; background: rgba(17, 19, 21, .6); }
.modal-box { position: relative; background: var(--surface); width: min(560px, 100%); max-height: calc(100vh - 48px); overflow: auto; padding: 36px; border-top: 8px solid var(--text); overscroll-behavior: contain; }
.modal-box h2 { font-size: 44px; margin: 14px 48px 12px 0; }
.modal-box > p { font-size: 16px; color: var(--muted); margin-bottom: 22px; }
.modal-box .x { position: absolute; top: 12px; right: 12px; }
.modal .form { border: 0; padding: 0; background: none; }
.policy p { font-size: 15px; line-height: 1.6; margin-bottom: 12px; color: var(--text); }
.policy p b { font-weight: 600; }

.toast { position: fixed; left: 50%; bottom: 32px; z-index: 110; transform: translate(-50%, 20px); background: var(--text); color: var(--bg); padding: 14px 20px; font-size: 15px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; max-width: calc(100% - 32px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- objekty.html ---------- */
.ph { padding: 56px 0 48px; }
.ph-g { display: grid; grid-template-columns: repeat(12, 1fr); gap: 0 24px; align-items: end; }
.ph-g .tag { grid-column: 1 / -1; justify-self: start; }
.ph h1 { grid-column: 1 / span 8; font: 900 clamp(64px, 7.4vw, 120px)/.88 var(--f-display); text-transform: uppercase; margin: 22px 0 0; }
.ph .lead { grid-column: 9 / -1; max-width: 56ch; }
.flt { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.flt .chip span { background: transparent; border-color: var(--text); }
.flt .chip input:checked + span { background: var(--text); color: var(--bg); }
.flt .chip span::before { display: none; }
.flt-bar { display: flex; justify-content: space-between; gap: 20px 40px; align-items: center; flex-wrap: wrap; padding: 24px 0; border-top: 1px solid var(--text); }
.flt-sw { display: flex; gap: 12px; align-items: center; }
.summary { font: 500 16px/1.5 var(--f-mono); padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--text); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.summary small { font: 400 12px/1.5 var(--f-mono); color: var(--muted); }
.reg-hd, .reg-row > button { display: grid; grid-template-columns: 4fr 2.4fr 1.7fr 1fr 1fr .7fr 44px; gap: 0; align-items: center; }
.reg-hd { font: 500 12px/1 var(--f-mono); color: var(--muted); letter-spacing: .06em; text-transform: uppercase; border-bottom: 1px solid var(--line); }
.reg-hd > div, .reg-row > button > span { padding: 16px 16px; }
.reg-hd > div:first-child, .reg-row > button > span:first-child { padding-left: 0; }
.reg-row { border-bottom: 1px solid var(--line); }
.reg-row > button { width: 100%; background: none; border: 0; text-align: left; padding: 0; min-height: 64px; transition: background .15s; }
@media (hover: hover) { .reg-row > button:hover { background: var(--surface); }
 }
.reg-row > button > span { border-left: 1px solid var(--line); font: 500 15px/1.35 var(--f-mono); font-variant-numeric: tabular-nums; }
.reg-row > button > span:first-child { border-left: 0; font: 600 17px/1.35 var(--f-text); }
.reg-row > button > span:last-child { display: grid; place-items: center; padding: 0; }
.reg-row .pl { width: 16px; height: 16px; position: relative; }
.reg-row .pl::before, .reg-row .pl::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; background: var(--text); transition: transform .25s var(--ease); }
.reg-row .pl::after { transform: rotate(90deg); }
.reg-row [aria-expanded="true"] .pl::after { transform: rotate(0); }
.reg-row .k { display: none; }
.reg-det { display: grid; grid-template-columns: 5fr 7fr; gap: 32px; padding: 8px 0 36px; }
.reg-det[hidden] { display: none; }
.reg-det.noimg { grid-template-columns: 1fr; }
.reg-det img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(.9); }
.reg-det dl > div { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 14px 0; border-top: 1px solid var(--line); }
.reg-det dt { color: var(--muted); font-size: 15px; }
.reg-det dd { margin: 0; font-size: 16px; line-height: 1.55; }
.scope { display: flex; flex-wrap: wrap; gap: 6px; }
.scope span { font: 500 12px/1 var(--f-mono); letter-spacing: .04em; text-transform: uppercase; border: 1px solid var(--text); padding: 7px 8px; }
.empty { padding: 56px 0; border-bottom: 1px solid var(--line); }
.empty p { font: 800 40px/1 var(--f-display); text-transform: uppercase; max-width: 22ch; margin-bottom: 24px; }
.reg-sec { padding-bottom: 96px; }
.cta { padding: 96px 0; }
.cta-g { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; align-items: end; }
.cta h2 { grid-column: 1 / span 6; }
.cta-r { grid-column: 8 / -1; }
.cta-r p { font-size: 18px; margin-bottom: 24px; color: var(--text-on-dark); }
.cta-r .btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- печать: скрыто на экране ---------- */
.print-only { display: none; }

/* ============ планшет ============ */
@media (max-width: 1180px) {
  .nav { gap: 18px; }
  .hdr-tel { display: none; }
  .hero-act { grid-column: 7 / -1; }
  .calc-main { grid-column: 1 / span 7; }
  .crow { grid-template-columns: 150px 1fr; }
}
@media (max-width: 1023px) {
  :root { --pad: 24px; }
  .nav, .hdr .btn { display: none; }
  .burger { display: grid; place-items: center; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 0; }
  .hero-txt, .hero-aside, .hero-sheet { grid-column: 1; }
  .hero-txt { padding-top: 32px; }
  .hero h1 .hl { white-space: normal; }
  .hero-sheet { order: -1; display: block; margin: 0 calc(var(--pad) * -1); }
  .hs-dim, .hs-chain, .hs-mark { display: none; }
  .hero-ph { height: auto; aspect-ratio: 16 / 9; }
  .hero-aside { display: block; padding: 24px 0 40px; }
  .hero-act { align-items: flex-start; margin-top: 28px; }
  .hs-stamp { left: 0; right: auto; bottom: 0; display: flex; flex-wrap: wrap; background: var(--dark); color: var(--text-on-dark); border: 0; font-size: 12px; }
  .hs-stamp > * { border: 0 !important; padding: 8px 0; }
  .hs-stamp span { display: none; }
  .hs-stamp b { font-weight: 400; }
  .hs-stamp b:first-of-type { padding-left: 12px; }
  .hs-stamp b:last-of-type { padding-right: 12px; }
  .hs-stamp b + span + b::before { content: "\00a0·\00a0"; }
  .calc-main, .calc-side { grid-column: 1 / -1; position: static; }
  .pasp-main, .pasp-side { grid-column: 1 / -1; }
  .pasp-side { grid-template-columns: 1fr 1fr; }
  .tz-l, .tz-r { grid-column: 1 / -1; }
  .faq-grid .sec-head, .faq { grid-column: 1 / -1; position: static; }
  .kont-l, .kont-r { grid-column: 1 / -1; }
  .sec-head h2 { grid-column: 1 / -1; }
  .sec-head .lead { grid-column: 1 / -1; }
  .ph h1, .ph .lead { grid-column: 1 / -1; }
  .ph .lead { margin-top: 24px; }
  .pasp, .tz, .kont, .faq-grid, .calc, .cta-g, .price-note, .ftr-grid { grid-template-columns: minmax(0, 1fr); column-gap: 0; }
  .sec-head { grid-template-columns: minmax(0, 1fr); }
  .price-note p:first-child, .price-note .punch, .cta h2, .cta-r { grid-column: 1 / -1; }
}

/* ============ мобила ============ */
@media (max-width: 767px) {
  :root { --pad: 16px; --hdr: 60px; }
  body { font-size: 16px; padding-bottom: 0; }
  html { scroll-padding-top: 72px; }
  .sec { padding: 72px 0; }
  .ruled .sec-head { padding-top: 72px; }
  .tz-sec { padding-top: 64px; }
  .model text { font-size: 22px; }
  .model .m-step { font-size: 19px; }
  .sec-head { display: block; margin-bottom: 36px; padding-top: 20px; }
  .sec-head .tag { margin-bottom: 20px; }
  .sec-head .lead { margin-top: 18px; }
  .lead { font-size: 17px; }
  h2, .h2 { font-size: 48px; }
  .logo b { font-size: 26px; }
  .logo small { font-size: 9px; }

  .hero { padding: 0; }
  .hero .wrap { padding: 0; }
  .hero-ph { aspect-ratio: 16 / 9; }
  .hero-ph img { inset: 0; height: 100%; }
  .hero-ph .dim { display: none; }
  .hero-txt { padding: 20px 16px 0; }
  .hero-aside { padding: 0 16px 28px; }
  .hero-sheet { margin: 0; }
  .hero h1 { font-size: clamp(44px, 12.5vw, 52px); letter-spacing: -.005em; margin: 14px 0 16px; }
  .scheme svg { min-width: 600px; }
  .hero h1 .hl { white-space: normal; }
  .hero-sub { font-size: 16px; }
  .hero-cta { flex-direction: column; width: 100%; margin-top: 24px; gap: 10px; }
  .hero-cta .btn { width: 100%; }
  .btn { min-height: 52px; }
  .hero-trust { font-size: 12px; }
  .specbar { grid-template-columns: 1fr 1fr; margin: 0 16px; }
  .specbar > div { padding: 16px 12px 16px 0; border-left: 0; border-top: 1px solid var(--line); }
  .specbar > div:nth-child(2n) { border-left: 1px solid var(--line); padding-left: 16px; }
  .specbar > div:nth-child(-n+2) { border-top: 0; }
  .specbar > div:last-child { grid-column: 1 / -1; border-left: 0; padding-left: 0; display: flex; align-items: baseline; gap: 12px; }
  .specbar b { font-size: 40px; }

  .price-hd { display: none; }
  .price-row { grid-template-columns: 1fr 1fr; padding: 20px 0; }
  .price-row > div { padding: 0; border-left: 0; }
  .price-row > div:first-child { grid-column: 1 / -1; margin-bottom: 14px; }
  .price-row:hover > div:first-child { padding-left: 0; }
  .price-row > div:nth-child(3) { text-align: right; align-items: flex-end; }
  .price-row > div:nth-child(4) { grid-column: 1 / -1; margin-top: 6px; }
  .pv { font-size: 18px; }
  .price-note { display: block; }
  .price-note .punch { margin-top: 20px; padding-left: 16px; font-size: 16px; }

  .calc { display: flex; flex-direction: column; gap: 0; align-items: stretch; }
  .calc > * , .calc-main > *, .calc-side > * { min-width: 0; }
  .calc-main, .calc-side { display: contents; }
  .purpose { order: 1; overflow-x: auto; scrollbar-width: none; border: 0; border-bottom: 1px solid var(--text); margin: 0 -16px; padding: 0 16px; }
  .purpose::-webkit-scrollbar { display: none; }
  .fade-r { -webkit-mask: linear-gradient(90deg, #000 82%, transparent); mask: linear-gradient(90deg, #000 82%, transparent); }
  .fade-r.at-end { -webkit-mask: none; mask: none; }
  .purpose label { flex: none; }
  .purpose span { border: 1px solid var(--text); border-bottom: 0; margin-left: -1px; min-height: 48px; padding: 0 16px; white-space: nowrap; }
  .purpose label:first-child span { margin-left: 0; border-left: 1px solid var(--text); }
  .purpose label:last-child { padding-right: 40px; }
  .model { order: 2; margin-top: 16px; height: 240px; }
  .model svg { height: 100%; aspect-ratio: auto; }
  .model .m-stamp span:nth-child(3) { display: none; }
  .ctable { order: 3; border-top: 1px solid var(--line); margin-top: 16px; }
  .total { order: 4; border-top: 1px solid var(--line); margin-top: 16px; }
  .smeta { order: 5; }
  .crow { grid-template-columns: 1fr; gap: 8px; padding: 14px 14px; }
  .crow-l { font-size: 13px; }
  .crow-msg { grid-column: 1; margin-top: 0; }
  .seg--mono label { flex: 1 1 0; }
  .seg--env { flex-direction: column; }
  .seg--env span { margin-left: 0; margin-top: -1px; flex-direction: row; justify-content: space-between; align-items: center; gap: 12px; min-height: 52px; }
  .seg--env label:first-child span { margin-top: 0; }
  .seg--env span i { margin-top: 0; text-align: right; }
  .total-sum { font-size: clamp(36px, 12vw, 64px); } /* 12vw: сумма в 11 знаков помещается на 320 */
  .tbtns { grid-template-columns: 1fr; }
  .smeta-hd { flex-direction: column; gap: 6px; }
  .smeta-hd h3 { font-size: 28px; }
  .smeta-tg { display: flex; width: 100%; margin-top: 16px; }
  .js .smeta-body:not(.open) { display: none; }
  .srow { font-size: 15px; gap: 12px; }
  .srow .sv { font-size: 14px; }
  .srow .lnk { margin-left: 0; display: flex; }

  .pasp-side { grid-template-columns: 1fr; }
  .tabs button { font-size: 15px; min-height: 48px; padding: 0 4px; }
  .spec-row { grid-template-columns: 1fr; gap: 4px; padding: 14px 0; }
  .spec-row dt { font-size: 13px; }
  .pasp-act { flex-direction: column; align-items: stretch; gap: 8px; }
  .pasp-act .btn { width: 100%; }

  .objs { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 16px; gap: 16px; margin: 0 -16px; padding: 0 16px 8px; scrollbar-width: none; }
  .objs::-webkit-scrollbar { display: none; }
  .obj { flex: 0 0 84%; scroll-snap-align: start; }
  .spec-mini > div { grid-template-columns: 90px 1fr; }
  .objs-more .btn { width: 100%; }

  .proc-ph { height: auto; aspect-ratio: 3 / 2; margin: 0 -16px; }
  .proc-row { grid-template-columns: 1fr; padding: 22px 0; }
  .proc-row > * { padding: 0; border-left: 0; }
  .proc-row h3 { font-size: 28px; margin-bottom: 10px; }
  .proc-row .pt { margin-top: 10px; font-size: 14px; }

  .revs { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 16px; margin: 0 -16px; padding: 0 16px; border: 0; gap: 16px; scrollbar-width: none; }
  .revs::-webkit-scrollbar { display: none; }
  .rev { flex: 0 0 86%; scroll-snap-align: start; border: 0; border-top: 1px solid var(--text); padding: 24px 0 0; }
  .rev blockquote { font-size: 17px; }

  .tz-l { gap: 24px; }
  .tz-ph { display: none; }
  .sla b { font-size: 38px; }
  .form { padding: 20px 16px; margin: 0 -16px; border-left: 0; border-right: 0; }
  .drop { min-height: 120px; }
  .drop .d-only { display: none; }
  .drop .m-only { display: block; }
  .drop .lnk { width: 100%; justify-content: center; min-height: 48px; border: 1.5px solid var(--text); text-decoration: none; }
  .frow { grid-template-columns: 1fr; gap: 0; }
  .ok h3 { font-size: 36px; }

  .faq summary { font-size: 17px; }
  .faq details p { padding-right: 0; font-size: 16px; }

  .ktable > div { grid-template-columns: 1fr; gap: 4px; }
  .ktable dt { font-size: 13px; }
  .ktable dd a:not(.lnk) { display: inline-block; padding: 11px 0; margin: -11px 0; border-bottom: 0; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
  .kont-act { flex-direction: column; }
  .kont-act .btn { width: 100%; }

  .ftr .logo, .ftr-tx, .ftr nav { grid-column: 1 / -1; grid-row: auto; }
  .ftr nav { justify-content: flex-start; flex-direction: column; margin-top: 12px; }

  .modal { padding: 0; place-items: end stretch; }
  .modal .form { margin: 0; }
  .modal-box { width: 100%; max-height: 92vh; padding: 24px 16px calc(24px + env(safe-area-inset-bottom)); transform: translateY(24px); transition: transform .25s var(--ease); }
  .modal.open .modal-box { transform: none; }
  .modal-box h2 { font-size: 38px; }
  .toast { bottom: 88px; }

  /* нижние панели */
  .mbar, .cbar {
    display: grid; position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
    background: var(--dark); color: var(--text-on-dark); padding-bottom: env(safe-area-inset-bottom);
    transform: translateY(110%); transition: transform .25s var(--ease);
  }
  .mbar.show, .cbar.show { transform: none; }
  .mbar { grid-template-columns: 1fr 1fr 1.25fr; height: calc(64px + env(safe-area-inset-bottom)); }
  .mbar a { display: flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; font: 600 15px/1 var(--f-text); min-height: 44px; border-right: 1px solid var(--line-d); }
  .mbar a svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.5; }
  .mbar a.y { background: var(--accent); color: var(--accent-ink); border: 0; }
  .cbar { grid-template-columns: 1fr auto; align-items: center; gap: 12px; padding: 8px 8px calc(8px + env(safe-area-inset-bottom)) 16px; min-height: 64px; }
  .cbar button.sum { background: none; border: 0; padding: 0; text-align: left; color: inherit; min-height: 44px; }
  .cbar .sum b { display: block; font: 800 26px/1 var(--f-display); color: var(--accent); }
  .cbar .sum span { display: block; font: 400 12px/1.3 var(--f-mono); color: var(--muted-d); margin-top: 3px; }
  .cbar .btn { min-height: 48px; padding: 0 18px; font-size: 15px; }
  .cbar .btn[aria-disabled="true"] { color: var(--muted-d); box-shadow: inset 0 0 0 1.5px var(--line-d); }

  .ph { padding: 32px 0 32px; }
  .ph-g { display: block; }
  .ph h1 { font-size: 60px; margin-bottom: 20px; }
  .flt { flex-wrap: nowrap; overflow-x: auto; margin: 0 -16px; padding: 0 16px; scrollbar-width: none; }
  .flt::-webkit-scrollbar { display: none; }
  .flt .chip span { white-space: nowrap; }
  .reg-hd { display: none; }
  .reg-row > button { grid-template-columns: 1fr 44px; padding: 18px 0; align-items: start; }
  .reg-row > button > span { border: 0; padding: 0; display: none; }
  .reg-row > button > span:first-child { display: block; grid-column: 1; }
  .reg-row > button > span:last-child { display: grid; grid-column: 2; grid-row: 1; }
  .reg-row .k { display: block; font: 400 13px/1.3 var(--f-text); color: var(--muted); margin-top: 4px; }
  .reg-row .kv { display: grid; grid-template-columns: 80px 1fr; gap: 8px; font: 500 14px/1.5 var(--f-mono); margin-top: 10px; }
  .reg-row .kv:first-of-type { margin-top: 14px; }
  .reg-row .kv i { font: 400 13px/1.5 var(--f-text); font-style: normal; color: var(--muted); }
  .reg-det { grid-template-columns: 1fr; gap: 16px; padding-top: 0; }
  .reg-det dl > div { grid-template-columns: 1fr; gap: 4px; }
  .summary { font-size: 14px; }
  .empty p { font-size: 32px; }
  .cta { padding: 64px 0; }
  .reg-sec { padding-bottom: 64px; }
  .cta h2, .cta-r { grid-column: 1 / -1; }
  .cta-r .btns { flex-direction: column; }
  .cta-r .btn { width: 100%; }
}
@media (min-width: 768px) { .reg-row .kv, .reg-row .k { display: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0s !important; animation-duration: 0s !important; }
  .js .rv { opacity: 1; transform: none; }
  .js .scan > .scan-row { opacity: 1; }
}

/* ============ печать КП и карточки ============ */
@media print {
  @page { size: A4; margin: 16mm; }
  html, body { background: #fff !important; color: #000 !important; font-size: 11pt; }
  body.p-kp > *:not(#kp-print), body.p-card > *:not(#card-print) { display: none !important; }
  body.p-kp #kp-print, body.p-card #card-print { display: block !important; }
  .doc { font: 9.5pt/1.35 var(--f-text); color: #000; }
  .doc-hd { display: flex; justify-content: space-between; align-items: flex-end; border-bottom: 2pt solid #000; padding-bottom: 8pt; margin-bottom: 14pt; gap: 16pt; }
  .doc-hd b { font: 900 30pt/.9 var(--f-display); letter-spacing: .01em; }
  .doc-hd small { display: block; font: 400 8pt/1.4 var(--f-mono); }
  .doc-hd .r { text-align: right; font: 400 8.5pt/1.5 var(--f-mono); }
  .doc .doc-h1 { font: 800 22pt/1 var(--f-display); text-transform: uppercase; margin: 0 0 4pt; }
  .doc .meta { font: 400 9pt/1.4 var(--f-mono); margin-bottom: 14pt; }
  .doc .doc-h2 { font: 800 12pt/1 var(--f-display); text-transform: uppercase; margin: 11pt 0 4pt; letter-spacing: .02em; }
  .doc table { width: 100%; border-collapse: collapse; }
  .doc td, .doc th { border-bottom: .5pt solid #888; padding: 2.6pt 4pt 2.6pt 0; text-align: left; vertical-align: top; }
  .doc th { font: 500 8pt/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .04em; border-bottom: 1pt solid #000; }
  .doc td.v { font-family: var(--f-mono); text-align: right; white-space: nowrap; }
  .doc td.k { width: 38%; color: #333; }
  .doc td.m { font-family: var(--f-mono); }
  .doc tr.sum td { font-weight: 600; border-top: 1.2pt solid #000; border-bottom: 1.2pt solid #000; }
  .doc .big { font: 800 24pt/1 var(--f-display); margin: 8pt 0 2pt; }
  .doc .sd { font: 7.5pt/1.3 var(--f-mono); color: #555; margin-left: 6pt; }
  .doc .fine { margin-top: 16pt; font-size: 8.5pt; color: #333; border-top: .5pt solid #888; padding-top: 6pt; }
  .doc tr { break-inside: avoid; }
  #card-print { font-size: 8.8pt; }
  #card-print td { padding: 1.7pt 4pt 1.7pt 0; }
  #card-print .doc-h2 { margin: 8pt 0 3pt; }
  #card-print .doc-hd { margin-bottom: 8pt; }
}

/* ============ планшет 768–1023: ничего не сжимать ============ */
@media (min-width: 768px) and (max-width: 1023px) {
  .specbar { grid-template-columns: repeat(6, 1fr); }
  .specbar > div { grid-column: span 2; }
  .specbar > div:nth-child(n+4) { grid-column: span 3; border-top: 1px solid var(--line); }
  .specbar > div:nth-child(4) { border-left: 0; padding-left: 0; }
  .price-hd, .price-row { grid-template-columns: minmax(0, 1fr) 180px 108px 172px; }
  .price-row > div, .price-hd > div { padding-left: 16px; padding-right: 16px; }
  .pv { white-space: nowrap; font-size: 18px; }
  .revs { grid-template-columns: 1fr; }
  .rev, .rev:first-child { border-left: 0; border-top: 1px solid var(--line); padding: 28px 0 32px; display: grid; grid-template-columns: 1fr 2fr; column-gap: 32px; row-gap: 14px; }
  .rev:first-child { border-top: 0; }
  .rev .tag, .rev footer, .rev .obj-line { grid-column: 1; }
  .rev blockquote { grid-column: 2; grid-row: 1 / span 3; }
  .rev .obj-line { margin-top: 0; align-self: start; }
  .rev .tag { justify-self: start; }
  .reg-hd, .reg-row > button { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) 132px 64px 80px 60px 44px; }
  .reg-hd > div, .reg-row > button > span { padding: 14px 10px; }
  .reg-row > button > span:not(:first-child) { white-space: nowrap; font-size: 13.5px; }
  .reg-row > button > span:nth-child(2) { white-space: normal; font: 400 14px/1.35 var(--f-text); }
  .reg-row > button > span:first-child { font-size: 16px; }
  .ftr nav { grid-column: 1 / -1; grid-row: auto; justify-content: flex-start; margin-top: 16px; gap: 0 28px; }
  .ftr .logo, .ftr-tx { grid-column: 1 / -1; }
}
.nw { white-space: nowrap; }