/* Терраса — лендинг.
   Раскладка: фасад из «стёкол» — секции разделены тонкими импостами,
   один объект в раме (калькулятор), всё остальное спокойное. */

@font-face{font-family:"Sofia Sans";src:url(../fonts/sofia-sans-cyrillic.woff2) format("woff2");font-weight:100 1000;font-style:normal;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Sofia Sans";src:url(../fonts/sofia-sans-latin.woff2) format("woff2");font-weight:100 1000;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F,U+2212}
@font-face{font-family:"Sofia Sans Condensed";src:url(../fonts/sofia-sans-condensed-cyrillic.woff2) format("woff2");font-weight:100 1000;font-style:normal;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Sofia Sans Condensed";src:url(../fonts/sofia-sans-condensed-latin.woff2) format("woff2");font-weight:100 1000;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F,U+2212}

:root{
  color-scheme:light;
  /* цвет: антрацитовый профиль, холодное стекло, тёплый свет в окне */
  --anthracite:#2a3137;
  --ink:#171c20;
  --muted:#56626a;
  --paper:#f5f8f8;
  --glass:#e3ecee;
  --white:#fff;
  --amber:#ffb52e;
  --amber-hi:#ffc65c;
  --steel:#3d6989;
  --steel-dk:#2a4d67;
  --line:rgba(42,49,55,.16);
  --line-strong:rgba(42,49,55,.38);
  --line-inv:rgba(255,255,255,.2);
  --text-inv:rgba(255,255,255,.82);
  --err:#b3361f;
  /* шрифт */
  --display:"Sofia Sans Condensed","Arial Narrow","Roboto Condensed",Arial,sans-serif;
  --body:"Sofia Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --sys:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  /* размеры */
  --wrap:1180px;
  --gut:20px;
  --r:3px;
  --top-h:56px;
  --dock-h:0px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--top-h) + 12px)}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.5 var(--body);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
img{height:auto}
h1,h2,h3,p,dl,dd,ol,ul,figure,fieldset{margin:0;padding:0}
fieldset{border:0;min-width:0}
ol,ul{list-style:none}
a{color:var(--steel-dk);text-underline-offset:.18em}
button{font:inherit;color:inherit;cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--steel);outline-offset:2px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.rub{font-family:var(--sys);font-weight:600;font-size:.86em}
[data-phone-text]{white-space:nowrap}
.nw{white-space:nowrap}
.hl{padding:0 .18em;background:var(--amber);color:var(--ink);white-space:nowrap;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.skip{position:absolute;left:8px;top:-60px;z-index:100;background:var(--amber);color:var(--ink);padding:10px 14px;font-weight:700}
.skip:focus{top:8px}

.wrap{width:100%;max-width:calc(var(--wrap) + var(--gut)*2);margin-inline:auto;padding-inline:var(--gut)}

/* ---------- заголовки ---------- */
h1,h2,.result__price,.spec dd,.type__price,.steps li::before{font-family:var(--display)}
h2{font-weight:800;font-size:clamp(2.1rem,8.4vw,3.4rem);line-height:1;letter-spacing:-.005em;text-wrap:balance}
h3{font-weight:700;font-size:1.25rem;line-height:1.2}

.sec{padding-block:56px}
.sec--glass{background:var(--glass)}
.sec--line{border-top:1px solid var(--line)}
.sec--dark{background:var(--anthracite);color:var(--white)}
.sec__head{display:grid;gap:14px;margin-bottom:28px;max-width:44rem}
.sec__head p{color:var(--muted);font-size:1.06rem}
.sec--dark .sec__head p{color:var(--text-inv)}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 22px;border:2px solid transparent;border-radius:var(--r);font:700 1.02rem/1.15 var(--body);text-decoration:none;text-align:center;transition:background-color .15s,border-color .15s,color .15s}
.btn--lg{min-height:58px;font-size:1.1rem;padding-inline:26px}
.btn--sm{min-height:42px;padding:8px 16px;font-size:.95rem}
.btn--block{width:100%}
.btn--gift{padding-inline:12px;gap:8px;font-size:1.02rem}
.btn--gift>span{flex:0 1 auto;min-width:0}
.btn--amber{background:var(--amber);color:var(--ink)}
.btn--amber:hover{background:var(--amber-hi)}
.btn--dark{background:var(--anthracite);color:var(--white)}
.btn--dark:hover{background:var(--ink)}
.btn--dark:disabled{background:var(--line-strong);cursor:not-allowed}
.btn--ghost{background:rgba(23,28,32,.35);border-color:rgba(255,255,255,.55);color:var(--white)}
.btn--ghost:hover{border-color:var(--white);background:rgba(23,28,32,.6)}
.btn--line{background:var(--white);border-color:var(--line-strong);color:var(--ink)}
.btn--line:hover{border-color:var(--anthracite)}
.btn.is-busy{opacity:.7;pointer-events:none}
.ico{width:20px;height:20px;fill:currentColor;flex:none}
.ico--line{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.textlink{background:none;border:0;padding:0;color:var(--steel-dk);text-decoration:underline;text-underline-offset:.18em;font-weight:600}

/* ---------- шапка ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:var(--white);border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;gap:8px;height:var(--top-h)}
.top__logo{display:block;flex:none}
.top__logo img{height:21px;width:auto}
.top__nav{display:none}
.top__phone{margin-left:auto;display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--ink);font-weight:800;font-size:.92rem;text-decoration:none;white-space:nowrap;font-variant-numeric:tabular-nums}
.top__phone .ico{display:none;color:var(--steel);width:18px;height:18px}
.top__cta{display:none}
.top__burger{flex:none;display:grid;place-items:center;width:44px;height:44px;margin-right:-10px;background:none;border:0}
.top__burger span,.top__burger span::before,.top__burger span::after{display:block;width:24px;height:2.5px;background:var(--ink);transition:transform .2s,background-color .2s}
.top__burger span{position:relative}
.top__burger span::before,.top__burger span::after{content:"";position:absolute;left:0}
.top__burger span::before{top:-8px}
.top__burger span::after{top:8px}
.top__burger[aria-expanded="true"] span{background:transparent}
.top__burger[aria-expanded="true"] span::before{transform:translateY(8px) rotate(45deg)}
.top__burger[aria-expanded="true"] span::after{transform:translateY(-8px) rotate(-45deg)}
.menu{position:absolute;left:0;right:0;top:100%;max-height:calc(100dvh - var(--top-h));overflow:auto;background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line-strong);box-shadow:0 16px 30px rgba(23,28,32,.18)}
.menu__in{display:grid;padding-block:4px 18px}
.menu__in>a{display:flex;align-items:center;min-height:50px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:700;font-size:1.08rem;text-decoration:none}
.menu__cta{display:grid;gap:8px;margin-top:16px}
@media (max-width:349px){.top__phone span{display:none}.top__phone .ico{display:block}.top__phone{width:44px;justify-content:center;border:1px solid var(--line-strong);border-radius:var(--r)}}

/* ---------- первый экран ---------- */
.hero{position:relative;isolation:isolate;background:var(--anthracite);color:var(--white);overflow:hidden}
.hero__img{position:absolute;top:0;left:0;z-index:-2;width:100%;height:64%;object-fit:cover;object-position:50% 40%}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(42,49,55,.1) 0,rgba(42,49,55,.28) 22%,rgba(42,49,55,.9) 50%,var(--anthracite) 64%)}
.hero__in{display:grid;padding-block:clamp(96px,27vw,200px) 30px}
.hero__main{display:contents}
.hero__title{order:1}
.spec{order:2}
.hero__form{order:3;margin-top:18px;border-top:6px solid var(--amber)}
.hero__cta{order:4}
.promo--hero{order:5;justify-self:start}
.hero__lead{order:6}
.hero__form .lead__title{font-size:1.6rem;line-height:1.02}
.hero__geo{display:block;margin-top:10px;font:600 1.02rem/1.3 var(--body);letter-spacing:0;text-transform:none;color:var(--text-inv)}
.hero__title{font-weight:800;font-size:clamp(2.75rem,13.2vw,6rem);line-height:.92;text-transform:uppercase;letter-spacing:-.01em;text-wrap:balance}
.hero__lead{margin-top:14px;font-size:1.08rem;color:var(--text-inv);max-width:34rem}
.spec{display:grid;grid-template-columns:1.25fr 1fr 1fr;margin-top:16px;border-block:1px solid var(--line-inv)}
.spec__cell{display:flex;flex-direction:column-reverse;justify-content:flex-end;gap:2px;padding:12px 10px 12px 0}
.spec__cell+.spec__cell{border-left:1px solid var(--line-inv);padding-left:12px}
.spec dd{font-weight:700;font-size:clamp(1.3rem,6vw,1.9rem);line-height:1.05;white-space:nowrap}
.spec dt{font-size:.8rem;line-height:1.25;color:var(--text-inv)}
.hero__cta{display:grid;gap:10px;margin-top:14px}
.promo{display:flex;align-items:baseline;gap:9px;font-weight:700;font-size:.98rem}
.promo__dot{flex:none;width:9px;height:9px;background:var(--amber);transform:translateY(-1px)}
.promo--hero{margin-top:14px}
.promo--btn{background:none;border:0;padding:8px 0;color:inherit;text-align:left;cursor:pointer;flex-wrap:wrap}
.promo--btn.is-static{cursor:default}
.promo__more{color:var(--amber);text-decoration:underline;text-underline-offset:.2em}
.promo--btn.is-static .promo__more{display:none}
.promo--inv{margin-top:16px}

/* ---------- калькулятор ---------- */
.calc__grid{display:grid;gap:22px}
.calc__head{margin-bottom:0}
.ticks{display:grid;gap:8px}
.ticks li{position:relative;padding-left:26px;font-weight:600;font-size:.98rem}
.ticks li::before{content:"";position:absolute;left:2px;top:.36em;width:12px;height:7px;border-left:2.5px solid var(--steel);border-bottom:2.5px solid var(--steel);transform:rotate(-45deg)}

.frame{background:var(--white);border:6px solid var(--anthracite);outline:1px solid var(--line);outline-offset:4px;border-radius:1px}
.quiz{padding:16px 14px 14px;display:grid;gap:16px;scroll-margin-top:calc(var(--top-h) + 14px)}
.quiz__bar{display:flex;align-items:center;justify-content:space-between;gap:16px}
.quiz__count{font-weight:700;font-size:.95rem;color:var(--muted)}
.quiz__panes{display:grid;grid-template-columns:repeat(4,26px);gap:3px}
.quiz__panes i{height:16px;border:2px solid var(--anthracite);background:var(--white);transition:background-color .25s}
.quiz__panes i.is-lit{background:var(--amber)}
.quiz__step{display:grid;gap:14px}
.quiz__step>legend{font:800 1.75rem/1.05 var(--display);padding:0;margin-bottom:14px}
.quiz__nav{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px}
.quiz__nav .btn{margin-left:auto;min-width:9.5rem}
.quiz__back{background:none;border:0;padding:12px 8px 12px 0;font-weight:600;color:var(--muted);text-decoration:underline;text-underline-offset:.2em}

.opts{display:grid;gap:10px}
.opts--img{grid-template-columns:1fr 1fr}
.opt{position:relative;display:block;border:2px solid var(--line);border-radius:var(--r);background:var(--white);cursor:pointer;transition:border-color .15s,background-color .15s}
.opt input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.opt:hover{border-color:var(--line-strong)}
.opt.is-checked{border-color:var(--anthracite);background:#fff8e8;box-shadow:inset 0 0 0 1px var(--anthracite)}
.opt:focus-within{outline:3px solid var(--steel);outline-offset:2px}
.opt img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:1px 1px 0 0}
.opt--wide{grid-column:1/-1}
.opt--wide img{aspect-ratio:16/7}
.opts--img .opt__name{display:block;padding:9px 10px 10px;font-weight:700;font-size:.95rem;line-height:1.2}
.opt--row{display:flex;flex-direction:column;justify-content:center;gap:5px;padding:13px 14px 13px 46px;min-height:60px}
.opt--row::before{content:"";position:absolute;left:14px;top:50%;width:20px;height:20px;margin-top:-10px;border:2px solid var(--anthracite);background:var(--white)}
.opt--row.is-checked::before{background:var(--amber);box-shadow:inset 0 0 0 3px var(--white)}
.opt__body{display:grid;gap:2px;min-width:0}
.opt--row .opt__name{font-weight:700;font-size:1.06rem;line-height:1.2}
.opt__desc{font-size:.9rem;line-height:1.3;color:var(--muted)}
.opt__price{font-weight:700;font-size:.98rem;white-space:nowrap}

.size{display:grid;gap:18px}
.size__sketch{background:var(--paper);border:1px solid var(--line);padding:10px 8px 10px}
#sketch{width:100%;height:auto}
#sketch .sk-frame{fill:#d7e8ee;stroke:var(--anthracite)}
#sketch .sk-mull{stroke:var(--anthracite);fill:none}
#sketch .sk-dim{stroke:var(--steel);stroke-width:1.2;fill:none}
#sketch .sk-ground{stroke:var(--line-strong);stroke-width:1.5}
#sketch text{font:700 15px var(--body);fill:var(--ink)}
.size__area{margin-top:6px;text-align:center;font-size:.98rem;color:var(--muted)}
.size__area strong{color:var(--ink);font-size:1.1rem}
.size__controls{display:grid;gap:18px}
.size.is-unknown .size__sketch,.size.is-unknown .range{opacity:.35;pointer-events:none}
.range{display:grid;grid-template-columns:1fr auto;gap:6px 12px;align-items:baseline}
.range label{font-weight:600;font-size:.98rem}
.range output{font:700 1.5rem/1 var(--display);font-variant-numeric:tabular-nums}
.range input{grid-column:1/-1;width:100%;height:36px;margin:0;background:none;-webkit-appearance:none;appearance:none}
.range input::-webkit-slider-runnable-track{height:6px;background:var(--line-strong);border-radius:0}
.range input::-moz-range-track{height:6px;background:var(--line-strong);border-radius:0}
.range input::-webkit-slider-thumb{-webkit-appearance:none;width:30px;height:30px;margin-top:-12px;background:var(--amber);border:3px solid var(--anthracite);border-radius:1px}
.range input::-moz-range-thumb{width:24px;height:24px;background:var(--amber);border:3px solid var(--anthracite);border-radius:1px}

.check{display:grid;grid-template-columns:24px 1fr;gap:10px;align-items:start;font-size:.95rem;line-height:1.35;cursor:pointer}
.check input{width:22px;height:22px;margin:1px 0 0;accent-color:var(--anthracite)}
.check--consent{font-size:.86rem;color:var(--muted)}

.result{padding:14px 16px 16px;background:var(--anthracite);color:var(--white);display:grid;gap:4px}
.result__label{font-size:.9rem;color:var(--text-inv);font-weight:600}
.result__price{font-weight:800;font-size:clamp(2.6rem,12vw,3.6rem);line-height:1;color:var(--amber);font-variant-numeric:tabular-nums}
.result__price.is-text{font-size:clamp(1.9rem,8.4vw,2.6rem);line-height:1.05}
.result__note{font-size:.92rem;line-height:1.4;color:var(--text-inv)}
.result .promo{margin-top:8px}

.lead{display:grid;gap:14px}
.lead__title{font:800 1.5rem/1.1 var(--display)}
.field{display:grid;gap:6px}
.field label{font-weight:600;font-size:.92rem}
.field__opt{font-weight:400;color:var(--muted)}
.field input{width:100%;height:56px;padding:0 14px;border:2px solid var(--line-strong);border-radius:var(--r);background:var(--white);color:var(--ink);font:500 1.15rem var(--body);font-variant-numeric:tabular-nums}
.field input::placeholder{color:#9aa5ab}
.field input:focus{outline:none;border-color:var(--anthracite);box-shadow:0 0 0 3px rgba(61,105,137,.3)}
.field.is-bad input{border-color:var(--err)}
.field__err{color:var(--err);font-size:.88rem;font-weight:600}
.lead__fail{padding:12px 14px;border:2px solid var(--err);color:var(--err);font-weight:600;font-size:.95rem}
.lead__fail a{color:inherit;white-space:nowrap}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.ways{display:flex;flex-wrap:wrap;gap:8px}
.ways legend{font-weight:600;font-size:.92rem;margin-bottom:8px;padding:0}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;inset:0;margin:0;width:100%;height:100%;cursor:pointer}
.chip span{display:block;padding:10px 14px;border:2px solid var(--line-strong);border-radius:var(--r);font-weight:600;font-size:.95rem;line-height:1.2}
.chip input:checked+span{border-color:var(--anthracite);background:var(--anthracite);color:var(--white)}
.chip input:focus-visible+span{outline:3px solid var(--steel);outline-offset:2px}

.done{display:grid;gap:10px;justify-items:start;padding:8px 0}
.done:focus{outline:none}
.done__ico{width:44px;height:44px;stroke:var(--anthracite)}
.done__ico path{stroke:var(--amber)}
.done__title{font:800 2rem/1 var(--display)}
.done__alt{color:var(--muted);font-size:.95rem}
.done a{white-space:nowrap;font-weight:700}

/* ---------- призывы после блоков ---------- */
.cta-row{display:grid;gap:12px;align-items:center}
.cta-row--top{margin-top:28px}
.cta-row .btn{width:100%}
.cta-row p{color:var(--muted);font-size:.98rem}
.sec--dark .cta-row p{color:var(--text-inv)}

/* ---------- виды остекления ---------- */
.types{display:grid;gap:12px}
.type{display:grid;grid-template-columns:108px 1fr;column-gap:14px;align-items:start;padding:14px;background:var(--white);border:1px solid var(--line);border-radius:var(--r)}
.type__img{grid-row:1/4;width:108px;height:108px;object-fit:cover;border-radius:2px}
.type__body{display:contents}
.type__body>h3{align-self:end}
.type__body>p{grid-column:1/-1;margin-top:10px;font-size:.95rem;line-height:1.4;color:var(--muted)}
.type__body>.type__for{grid-column:2;margin-top:2px;color:var(--ink);font-weight:600;font-size:.92rem;line-height:1.3}
.type__body>.type__price{grid-column:2;grid-row:3;margin-top:6px;font-weight:800;font-size:1.6rem;line-height:1;color:var(--ink);white-space:nowrap}
.type__btn{grid-column:1/-1;width:100%;margin-top:12px}

.compare{margin-top:40px}
.compare h3{font:800 1.7rem/1.05 var(--display);margin-bottom:14px}
.compare__scroll{overflow-x:auto;border:1px solid var(--line);background:var(--white)}
.compare__table{width:100%;border-collapse:collapse;font-size:.92rem;line-height:1.35}
.compare__table th,.compare__table td{padding:11px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.compare__table tbody tr:last-child>*{border-bottom:0;font-weight:700}
.compare__table tbody tr:last-child td{white-space:nowrap}
.compare__table thead th{font:800 1.2rem/1 var(--display);background:var(--glass)}
.compare__table tbody th{font-weight:600;color:var(--muted);width:30%}
.compare__table td+td,.compare__table thead th+th{border-left:1px solid var(--line)}
.compare__after{margin-top:14px;color:var(--muted);font-size:.98rem}

/* ---------- работы ---------- */
.works{display:grid;grid-auto-flow:column;grid-auto-columns:min(78vw,340px);gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px var(--gut) 18px;scroll-padding-inline:var(--gut);-webkit-overflow-scrolling:touch}
.work{display:grid;grid-template-rows:auto 1fr;scroll-snap-align:start;background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;color:var(--ink)}
.work__open{position:relative;display:block;cursor:zoom-in}
.work__open img{width:100%;aspect-ratio:4/3;object-fit:cover}
.work__body{display:grid;grid-template-rows:auto 1fr auto;gap:3px;padding:12px 14px 14px}
.work__name{font-weight:700;font-size:1.05rem;line-height:1.2}
.work__note{font-size:.9rem;line-height:1.35;color:var(--muted)}
.work__btn{margin-top:10px;width:100%}
.work__count{position:absolute;top:10px;right:10px;padding:4px 9px;background:rgba(23,28,32,.78);color:var(--white);font-weight:600;font-size:.8rem;border-radius:2px}
.works__after{display:grid;gap:12px;margin-top:10px}
.works__after p{font-weight:600}

/* ---------- почему мы ---------- */
.why{display:grid;border-top:1px solid var(--line-strong)}
.why__item{display:grid;gap:6px;align-content:start;padding-block:18px;border-bottom:1px solid var(--line)}
.why dt{font:800 1.55rem/1.05 var(--display)}
.why dd{color:var(--muted);max-width:36rem}

/* ---------- отзывы ---------- */
.reviews{display:grid;gap:14px}
.review{display:grid;gap:10px;padding:18px;background:var(--white);border:1px solid var(--line);border-radius:var(--r)}
.review__name{font-weight:700}
.review__src{font-size:.86rem;color:var(--muted)}

/* ---------- профили ---------- */
.systems{display:grid;gap:14px}
.system{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:start;padding-bottom:14px;border-bottom:1px solid var(--line)}
.system img{width:96px;height:96px;object-fit:contain;background:var(--white);border:1px solid var(--line)}
.system h3{font:800 1.55rem/1 var(--display);letter-spacing:.01em}
.system__kind{font-weight:600;font-size:.92rem;margin-block:4px 6px}
.system p:not(.system__kind){font-size:.95rem;line-height:1.4;color:var(--muted)}
.systems__sub{font:800 1.7rem/1.05 var(--display);margin:34px 0 14px}
.opens{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.open svg{width:100%;height:auto;background:var(--white);border:1px solid var(--line)}
.open .fr{fill:#d7e8ee;stroke:var(--anthracite);stroke-width:4}
.open .mu{stroke:var(--anthracite);stroke-width:3;fill:none}
.open .mk{stroke:var(--steel);stroke-width:1.2;fill:none}
.open .hd{stroke:var(--anthracite);stroke-width:2.5;fill:none}
.open .gr{stroke:var(--line-strong);stroke-width:2}
.open figcaption{margin-top:8px;font-size:.84rem;line-height:1.3;font-weight:600}

/* ---------- этапы ---------- */
.steps{display:grid;counter-reset:step}
.steps li{position:relative;counter-increment:step;display:grid;gap:4px;align-content:start;padding:16px 0 16px 58px;border-top:1px solid var(--line-inv)}
.steps li::before{content:counter(step);position:absolute;left:0;top:14px;width:40px;height:40px;display:grid;place-items:center;border:2px solid var(--amber);color:var(--amber);font-weight:800;font-size:1.5rem;line-height:1}
.steps h3{font:800 1.5rem/1.1 var(--display)}
.steps p{color:var(--text-inv);font-size:.98rem;max-width:32rem}

/* ---------- текст о компании ---------- */
.about{display:grid;gap:20px}
.about__text{display:grid;gap:12px;color:#2f383e;max-width:46rem}

/* ---------- вопросы ---------- */
.faq__btn{justify-self:start;margin-top:4px}
.faq{border-top:1px solid var(--line-strong)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{position:relative;list-style:none;padding:17px 44px 17px 0;font-weight:700;font-size:1.08rem;line-height:1.3;cursor:pointer}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before,.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:16px;height:2.5px;margin-top:-1px;background:var(--anthracite);transition:transform .2s}
.faq summary::after{transform:rotate(90deg)}
.faq details[open] summary::after{transform:rotate(0)}
.faq details p{padding:0 0 18px;color:var(--muted);max-width:40rem}

/* ---------- замер ---------- */
.measure{position:relative;isolation:isolate;background:var(--anthracite);color:var(--white);overflow:hidden}
.measure__img{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover}
.measure::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(42,49,55,.9) 0,rgba(42,49,55,.8) 100%)}
.measure__in{display:grid;gap:24px;padding-block:56px}
.measure__text{display:grid;gap:14px}
.measure__text>p:not(.promo){color:var(--text-inv);font-size:1.06rem;max-width:32rem}
.lead--card{padding:20px 16px;background:var(--white);color:var(--ink);border-radius:var(--r)}

/* ---------- подвал ---------- */
.foot{background:var(--ink);color:var(--text-inv);font-size:.95rem}
.foot__in{display:grid;gap:26px;padding-block:40px calc(96px + env(safe-area-inset-bottom,0px))}
.foot a{color:var(--white)}
.foot__brand{display:grid;gap:12px;align-content:start}
.foot__brand img{height:28px;width:auto}
.foot__col{display:grid;gap:6px;align-content:start}
.foot__h{font-weight:700;color:var(--white)}
.foot__phone{font:800 1.7rem/1.1 var(--display);text-decoration:none;white-space:nowrap}
.foot__msg{display:flex;gap:14px;flex-wrap:wrap}
.foot__msg:not(:has(a:not([hidden]))){display:none}
.foot__fine{font-size:.82rem;line-height:1.4;opacity:.75;margin-top:6px}

/* ---------- панель на телефоне ---------- */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:45;display:grid;grid-template-columns:auto 1fr;gap:8px;padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px));background:var(--white);border-top:1px solid var(--line-strong);transform:translateY(110%);transition:transform .22s ease-out}
.dock.is-on{transform:none}
.dock .btn{min-height:50px;padding-inline:16px}
.btn--dockcall{border-color:var(--anthracite);color:var(--ink);background:var(--white)}

/* ---------- окна ---------- */
.dlg{width:min(100% - 24px,460px);max-width:none;max-height:calc(100dvh - 24px);padding:0;border:6px solid var(--anthracite);border-radius:1px;background:var(--white);color:var(--ink);overflow:auto}
.dlg::backdrop{background:rgba(23,28,32,.72)}
.dlg__box{position:relative;padding:22px 18px 20px}
.dlg__title{font-size:2.1rem;padding-right:44px}
.dlg__lead{color:var(--muted)}
.dlg__close{position:absolute;top:8px;right:8px;width:44px;height:44px;display:grid;place-items:center;background:none;border:0}
.dlg__close svg{width:22px;height:22px;stroke:currentColor;stroke-width:2.4;fill:none}
.dlg--gallery{width:100%;height:100%;max-height:none;margin:0;border:0;background:var(--ink);color:var(--white);overflow:hidden}
.dlg--gallery[open]{display:grid}
.gal{display:grid;grid-template-rows:auto 1fr auto;min-height:0;height:100dvh}
.gal__top{display:flex;align-items:center;gap:12px;padding:6px 6px 6px 16px;min-height:56px}
.gal__name{font-weight:700;line-height:1.2;margin-right:auto}
.gal__num{font-variant-numeric:tabular-nums;color:var(--text-inv);font-size:.95rem;white-space:nowrap}
.dlg__close--inv{position:static;color:var(--white)}
.gal__track{display:grid;grid-auto-flow:column;grid-auto-columns:100%;overflow-x:auto;scroll-snap-type:x mandatory;min-height:0;scrollbar-width:none}
.gal__track::-webkit-scrollbar{display:none}
.gal__track img{scroll-snap-align:center;width:100%;height:100%;object-fit:contain;min-height:0}
.gal__bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px))}
.gal__arrow{width:50px;height:50px;display:grid;place-items:center;background:none;border:2px solid var(--line-inv);border-radius:var(--r);color:var(--white)}
.gal__arrow svg{width:22px;height:22px;stroke:currentColor;stroke-width:2.4;fill:none}
.gal__arrow:disabled{opacity:.3}

/* ---------- калькулятор в окне ---------- */
.dlg--calc{width:min(100% - 16px,760px);max-height:calc(100dvh - 16px)}
.dlg-calc__top{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 4px 4px 14px;background:var(--white);border-bottom:1px solid var(--line)}
.dlg-calc__title{font:800 1.3rem/1.2 var(--display);padding-block:6px}
.dlg__close--static{position:static;flex:none}
.dlg--calc .quiz{border:0;outline:0}
.quiz-home{display:grid;place-items:center;border:2px dashed var(--line-strong);color:var(--muted);font-weight:600}

/* ---------- спецпредложение с таймером ---------- */
.dlg--offer{border-color:var(--amber)}
.offer{position:relative;display:block}
.offer__head{display:grid;gap:10px;padding:22px 18px 20px;background:var(--anthracite);color:var(--white)}
.offer__place{padding-right:40px;font-weight:700;font-size:.92rem;color:var(--amber)}
.offer__title{font-size:clamp(2rem,9vw,2.7rem);line-height:.96;text-transform:uppercase}
.offer__text{color:var(--text-inv)}
.timer{display:grid;gap:6px;margin-top:6px}
.timer__label{font-weight:600;font-size:.86rem;color:var(--text-inv)}
.timer__row{display:flex;gap:8px}
.timer__cell{display:grid;justify-items:center;gap:1px;min-width:68px;padding:8px 8px 6px;border:2px solid var(--amber)}
.timer__cell b{font:800 2.3rem/1 var(--display);color:var(--amber);font-variant-numeric:tabular-nums}
.timer__cell i{font-style:normal;font-size:.76rem;color:var(--text-inv)}
.offer__body{display:grid;gap:14px;padding:18px}
.dlg__close--offer{color:var(--white)}
.offer.is-done .dlg__close--offer{color:var(--ink)}

/* ---------- cookie ---------- */
.cookie{position:fixed;left:8px;right:8px;bottom:calc(var(--dock-h) + 8px + env(safe-area-inset-bottom,0px));z-index:44;display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;max-width:480px;padding:8px 8px 8px 12px;background:var(--white);border:1px solid var(--line-strong);box-shadow:0 4px 18px rgba(23,28,32,.16);font-size:.76rem;line-height:1.3}
.cookie__btns{display:grid;gap:6px}
.cookie__btns .btn{min-height:34px;padding:4px 12px;font-size:.84rem}

/* ---------- текстовые страницы ---------- */
.doc{padding-block:36px 64px}
.doc .wrap{max-width:calc(46rem + var(--gut)*2)}
.doc__date{color:var(--muted);font-size:.92rem;margin-bottom:6px}
.doc h1{font:800 clamp(2rem,7vw,3rem)/1 var(--display);margin-bottom:10px;text-wrap:balance}
.doc h2{font-size:1.6rem;margin:30px 0 10px}
.doc p,.doc li{margin-bottom:10px;color:#2f383e}
.doc ul{list-style:disc;padding-left:22px}
.doc .fill{background:#ffe9b8;padding:0 4px;font-weight:600}
.doc__note{padding:12px 14px;border:2px solid var(--amber);background:#fff8e8;font-size:.95rem;margin-block:16px}
.doc__back{display:inline-block;margin-bottom:22px;font-weight:600}

/* ================= от планшета ================= */
@media (min-width:700px){
  :root{--gut:32px;--top-h:64px}
  body{font-size:18px}
  .sec{padding-block:80px}
  .sec__head{margin-bottom:36px}
  .top__in{gap:14px}
  .top__logo img{height:30px}
  .top__phone{font-size:1.05rem}
  .top__phone .ico{display:block}
  .top__cta{display:inline-flex}
  .cta-row{display:flex;flex-wrap:wrap;gap:14px 22px}
  .cta-row .btn{width:auto}
  .works__after{justify-items:start}
  .about{grid-template-columns:1fr;gap:24px}
  .about__btn{justify-self:start}
  .offer__head{padding:26px 26px 22px}
  .offer__body{padding:22px 26px 24px}
  .hero__cta{display:flex;flex-wrap:wrap}
  .hero__form{max-width:440px}
  .btn--gift{padding-inline:24px;gap:10px;font-size:1.1rem}
  .spec{max-width:560px}
  .quiz{padding:24px 24px 20px}
  .opts--img{grid-template-columns:repeat(4,1fr)}
  .opt--wide{grid-column:span 2;grid-row:span 2}
  .opt--wide img{aspect-ratio:auto;height:calc(100% - 40px)}
  .size{grid-template-columns:1.1fr 1fr;align-items:center}
  .opt--row{flex-direction:row;align-items:center;justify-content:flex-start;gap:14px}
  .opt__price{margin-left:auto;flex:none}
  .types{grid-template-columns:1fr 1fr}
  .works{grid-auto-columns:320px}
  .why{grid-template-columns:1fr 1fr;column-gap:48px}
  .system{grid-template-columns:120px 1fr}
  .system img{width:120px;height:120px}
  .opens{gap:20px;max-width:760px}
  .open figcaption{font-size:.95rem}
  .steps{grid-template-columns:1fr 1fr;column-gap:48px}
  .measure__in{padding-block:80px}
  .lead--card{padding:26px 24px}
  .foot__in{grid-template-columns:1.2fr 1fr 1fr;column-gap:40px}
  .foot__legal{grid-column:1/-1;padding-top:20px;border-top:1px solid var(--line-inv)}
  .dlg__box{padding:28px 26px 24px}
  .gal__track img{padding-inline:24px}
}

/* ================= десктоп ================= */
@media (min-width:1000px){
  .dock{display:none!important}
  .cookie{bottom:16px;left:16px;right:auto;font-size:.86rem;padding:12px 12px 12px 16px;gap:14px}
  .about{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px 56px;align-items:start}
  .about__btn{grid-column:2}

  .hero__img{height:100%;object-position:60% 50%}
  .hero::after{background:linear-gradient(90deg,var(--anthracite) 0,rgba(42,49,55,.93) 30%,rgba(42,49,55,.6) 56%,rgba(42,49,55,.3) 100%)}
  .hero__in{grid-template-columns:minmax(0,1fr) 400px;grid-template-rows:auto auto auto;column-gap:56px;align-items:start;padding-block:72px 64px}
  .hero__main{display:block;grid-column:1;grid-row:1}
  .hero__title{font-size:clamp(4rem,6.4vw,5.8rem)}
  .hero__geo{font-size:1.15rem;margin-top:14px}
  .hero__lead{font-size:1.2rem;margin-top:20px;max-width:600px}
  .spec{margin-top:28px;max-width:600px}
  .spec__cell{padding-block:16px}
  .spec dt{font-size:.88rem}
  .hero__cta{grid-column:1;grid-row:2;margin-top:28px}
  .promo--hero{grid-column:1;grid-row:3}
  .hero__form{grid-column:2;grid-row:1/4;align-self:center;margin-top:0;padding:26px 24px}
  .hero__form .lead__title{font-size:1.9rem}

  .calc__grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);grid-template-rows:auto 1fr;gap:28px 56px;align-items:start}
  .quiz{grid-column:2;grid-row:1/3}
  .quiz__step>legend{font-size:2.1rem}
  .quiz__final{grid-template-columns:1fr 1fr;gap:24px;align-items:start}
  .quiz__final .result__price{font-size:clamp(2.4rem,3.6vw,3.1rem)}
  .quiz__final .done{grid-column:2}

  .types{grid-template-columns:repeat(4,1fr);gap:18px}
  .type{grid-template-columns:1fr;grid-template-rows:auto 1fr;align-items:stretch;padding:0;overflow:hidden}
  .type__img{grid-row:auto;width:100%;height:auto;aspect-ratio:4/3;border-radius:0}
  .type__body{display:flex;flex-direction:column;gap:8px;padding:18px 18px 20px}
  .type__body>h3{align-self:auto}
  .type__body>p,.type__body>.type__for{grid-column:auto;margin-top:0}
  .type__body>.type__price{grid-column:auto;grid-row:auto;font-size:1.9rem;margin-top:auto;padding-top:8px}
  .type__btn{grid-column:auto;margin-top:6px;padding-inline:8px;font-size:.96rem}
  .compare{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:20px 56px;margin-top:64px;align-items:start}
  .compare h3{font-size:2.2rem;margin:0}
  .compare__table{font-size:1rem}
  .compare__after{grid-column:2;margin-top:0}

  .works{grid-auto-flow:row;grid-template-columns:repeat(4,1fr);grid-auto-columns:auto;gap:18px;overflow:visible;max-width:calc(var(--wrap) + var(--gut)*2);margin-inline:auto;padding-bottom:6px}
  .work{transition:border-color .15s}
  .work:hover{border-color:var(--anthracite)}
  .works__after{display:flex;align-items:center;gap:20px;margin-top:28px}

  .why{grid-template-columns:repeat(3,1fr);column-gap:56px}
  .why__item{padding-block:24px}
  .systems{grid-template-columns:repeat(3,1fr);gap:40px}
  .system{border-bottom:0;padding-bottom:0}
  .steps{grid-template-columns:repeat(3,1fr);column-gap:56px}
  .steps li{padding-block:22px}
  .steps li::before{top:20px}
  .faq__grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}
  .faq summary{font-size:1.15rem;padding-block:20px}
  .measure::after{background:linear-gradient(90deg,rgba(42,49,55,.94) 0,rgba(42,49,55,.8) 55%,rgba(42,49,55,.5) 100%)}
  .measure__in{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center;padding-block:96px}
  .measure__text h2{font-size:4rem}
  .foot__in{grid-template-columns:1.3fr 1fr 1fr 1.3fr;padding-block:56px 44px}
  .foot__legal{grid-column:auto;padding-top:0;border-top:0}
  .dlg--gallery{width:min(100% - 64px,1100px);height:min(100% - 64px,820px);margin:auto;border:6px solid var(--anthracite)}
  .gal{height:100%}
  .reviews{grid-template-columns:repeat(3,1fr)}
}

/* ================= широкий экран: меню в шапке ================= */
@media (min-width:1120px){
  .top__nav{display:flex;gap:22px;margin-left:30px}
  .top__nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.96rem;padding-block:8px;white-space:nowrap}
  .top__nav a:hover{color:var(--steel-dk);text-decoration:underline}
  .top__phone{font-size:1.12rem}
  .top__burger,.menu{display:none!important}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}