/* Мастер Инжиниринг — журнальный минимализм: тонкие линии, острые углы, лёгкий гротеск, светлые поверхности. */
:root{
  --bg:#fff;
  --soft:#f1f1f0;
  --soft-2:#e9e9e7;
  --ink:#0f0f0f;
  --ink-2:#3a3a3a;
  --grey:#898989;
  --line:rgba(15,15,15,.1);
  --line-2:rgba(15,15,15,.18);
  --green:#3fa34d;
  --green-ink:#2c8a3b;
  --pad:clamp(16px,2.8vw,40px);
  --max:1440px;
  --head:64px;
  --ease:cubic-bezier(.2,.7,.1,1);
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--head) + 16px)}
body{margin:0;background:var(--bg);color:var(--ink);font:350 16px/1.6 "Inter Tight",system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:350;letter-spacing:-.04em;line-height:1}
p{margin:0}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:1.5px solid var(--green);outline-offset:3px}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12px;letter-spacing:.02em;text-transform:uppercase}

/* Подпись раздела с квадратным маркером */
.label{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:450;letter-spacing:.02em;text-transform:uppercase;color:var(--ink)}
.label::before{content:"";width:7px;height:7px;background:var(--green);flex:none}

/* Кнопки — прямоугольные, тонкие */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:0 16px 0 20px;border:1px solid var(--line-2);background:transparent;color:var(--ink);font-size:14px;font-weight:450;cursor:pointer;white-space:nowrap;transition:background .25s,color .25s,border-color .25s}
.btn svg{width:14px;height:14px;flex:none;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-white{background:#fff;border-color:#fff;color:var(--ink)}
.btn-white:hover{background:transparent;color:#fff;border-color:#fff}
.btn-ghost-white{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost-white:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-green{background:var(--green);border-color:var(--green);color:#fff}
.btn-green:hover{background:var(--green-ink);border-color:var(--green-ink);color:#fff}
.btn-lg{min-height:52px;font-size:15px;padding:0 20px 0 24px}

/* ——— Шапка ——— */
.head{position:fixed;inset:0 0 auto;z-index:50;height:var(--head);color:var(--ink);background:rgba(255,255,255,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .35s,color .35s,border-color .35s,transform .4s var(--ease)}
.head.is-hidden{transform:translateY(-100%)}
.head-over .head:not(.is-solid){background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;color:#fff;border-color:rgba(255,255,255,.2)}
.head-row{height:100%;display:flex;align-items:stretch}
.logo{display:flex;align-items:center;padding:0 28px 0 var(--pad);flex:none}
.logo-svg{width:84px;height:auto}
.nav{display:flex;align-items:stretch;border-right:1px solid var(--line)}
.nav>a,.nav-drop>a{display:flex;align-items:center;gap:6px;height:100%;padding:0 22px;font-size:14px;font-weight:450;border-left:1px solid var(--line);transition:background .25s}
.head-over .head:not(.is-solid) .nav,.head-over .head:not(.is-solid) .nav>a,.head-over .head:not(.is-solid) .nav-drop>a{border-color:rgba(255,255,255,.2)}
.nav>a:hover,.nav-drop>a:hover,.nav>a[aria-current],.nav-drop.is-current>a{background:rgba(127,127,127,.12)}
.nav-drop{position:relative;display:flex}
.nav-drop>a svg{width:11px;height:11px;opacity:.7}
.drop{position:absolute;top:100%;left:0;width:380px;background:#fff;color:var(--ink);border:1px solid var(--line);opacity:0;visibility:hidden;transform:translateY(-4px);transition:.25s var(--ease)}
.nav-drop:hover .drop,.nav-drop:focus-within .drop{opacity:1;visibility:visible;transform:none}
.drop a{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:center;padding:12px;border-top:1px solid var(--line);transition:background .2s}
.drop a:first-child{border-top:0}
.drop a:hover{background:var(--soft)}
.drop img{width:64px;height:48px;object-fit:cover}
.drop b{display:block;font-weight:450;font-size:15px;line-height:1.25;letter-spacing:-.01em}
.drop small{display:block;color:var(--grey);font-size:13px;line-height:1.35;margin-top:2px}
.head-right{margin-left:auto;display:flex;align-items:center;gap:20px;padding-right:var(--pad)}
.head-phone{font-size:14px;font-weight:450;white-space:nowrap}
.head .btn{min-height:40px;font-size:13px;color:inherit}
.head-over .head:not(.is-solid) .btn{border-color:rgba(255,255,255,.5)}
.head-over .head:not(.is-solid) .btn:hover{background:#fff;color:var(--ink);border-color:#fff}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line-2);background:transparent;cursor:pointer;position:relative;color:inherit}
.head-over .head:not(.is-solid) .burger{border-color:rgba(255,255,255,.5)}
.burger span{position:absolute;left:12px;right:12px;height:1px;background:currentColor;transition:.3s var(--ease)}
.burger span:nth-child(1){top:17px}.burger span:nth-child(2){top:25px}
.menu-open .burger span:nth-child(1){top:21px;transform:rotate(45deg)}
.menu-open .burger span:nth-child(2){top:21px;transform:rotate(-45deg)}
.menu-open .head{background:#fff!important;color:var(--ink)!important;border-color:var(--line)!important}
.menu-open .burger{border-color:var(--line-2)!important}
.mmenu{position:fixed;inset:0;z-index:45;background:#fff;padding:calc(var(--head) + 8px) var(--pad) 32px;display:flex;flex-direction:column;overflow:auto;opacity:0;visibility:hidden;transition:.3s var(--ease)}
.menu-open .mmenu{opacity:1;visibility:visible}
.menu-open{overflow:hidden}
.mmenu a.big{font-size:30px;letter-spacing:-.035em;padding:14px 0;border-bottom:1px solid var(--line)}
.mmenu .sub{display:grid;padding:4px 0 10px 18px;border-bottom:1px solid var(--line)}
.mmenu .sub a{padding:10px 0;font-size:16px;color:var(--ink-2)}
.mmenu .m-foot{margin-top:auto;padding-top:24px;display:grid;gap:10px}

/* ——— Герой: фото на весь экран ——— */
.hero{position:relative;min-height:max(640px,100svh);color:#fff;display:flex;align-items:flex-end;overflow:hidden;background:#2a2c2b}
.hero-bg{position:absolute;inset:0}
.hero-bg .slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.1);transform-origin:var(--o,50% 50%);transition:opacity 1.6s cubic-bezier(.4,0,.2,1),transform 1.6s cubic-bezier(.4,0,.2,1);will-change:opacity,transform}
.hero-bg .slide.on{opacity:1;z-index:1;transform:scale(1);transition:opacity 1.6s cubic-bezier(.4,0,.2,1),transform 9s cubic-bezier(.25,.1,.25,1)}
.hero-bg .slide.out{opacity:0;z-index:0;transform:scale(.985);transition:opacity 1.6s cubic-bezier(.4,0,.2,1),transform 1.6s ease-out}
.hero-prog{position:relative;z-index:2;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;padding-bottom:22px}
.seg{display:flex;flex-direction:column;gap:10px;background:none;border:0;padding:12px 0 0;cursor:pointer;color:rgba(255,255,255,.6);text-align:left;transition:color .3s}
.seg:hover,.seg.on{color:#fff}
.seg i{display:block;height:1px;background:rgba(255,255,255,.3);position:relative;overflow:hidden}
.seg b{position:absolute;inset:0;background:#fff;transform:scaleX(0);transform-origin:left}
.seg.done b{transform:scaleX(1)}
.seg.on b{animation:segFill var(--dur,7s) linear forwards}
.hero.is-paused .seg.on b{animation-play-state:paused}
@keyframes segFill{to{transform:scaleX(1)}}
.seg .mono{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,12,12,.4) 0,rgba(10,12,12,0) 20%,rgba(10,12,12,0) 42%,rgba(10,12,12,.66) 100%)}
.hero{flex-direction:column;justify-content:flex-end}
.hero-in{position:relative;z-index:2;width:100%;display:flex;justify-content:space-between;align-items:flex-end;gap:32px;padding-bottom:clamp(28px,3.5vw,44px)}
.hero h1{font-size:clamp(44px,5.2vw,76px);letter-spacing:-.045em;line-height:.95;max-width:9.5em}
.hero-sub{font-size:clamp(17px,1.4vw,20px);font-weight:300;letter-spacing:-.01em;margin:22px 0 30px;max-width:26em;color:rgba(255,255,255,.92);line-height:1.45}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap}
.film{flex:none;width:272px;padding:6px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:4px;cursor:pointer;color:#fff;text-align:left;transition:background .3s}
.film:hover{background:rgba(255,255,255,.2)}
.film-img{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:2px}
.film-img img{width:100%;height:100%;object-fit:cover}
.film-img i{position:absolute;left:10px;bottom:10px;width:34px;height:34px;background:#fff;color:var(--ink);display:grid;place-items:center;border-radius:50%}
.film-img i svg{width:12px;height:12px;margin-left:2px}
.film p{font-size:13px;line-height:1.4;padding:10px 6px 6px;color:rgba(255,255,255,.85)}

/* ——— Секции ——— */
.sec{padding:clamp(72px,8vw,120px) 0}
.sec-soft{background:var(--soft)}
.sec-top{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:clamp(32px,4vw,56px)}
.sec-top .label{margin-bottom:22px;display:flex}
.h2{font-size:clamp(34px,3.4vw,52px);letter-spacing:-.045em;line-height:1}
.center-head{text-align:center;margin-bottom:clamp(40px,5vw,72px)}
.center-head .label{margin-bottom:24px}
.center-head .h2{max-width:14em;margin:0 auto}
.center-head p{color:var(--grey);font-size:17px;max-width:30em;margin:22px auto 0;line-height:1.5}

/* Подход — крупное высказывание */
.vision{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding-bottom:clamp(72px,8vw,120px);border-bottom:1px solid var(--line);margin-bottom:clamp(56px,6vw,96px)}
.statement{font-size:clamp(26px,2.5vw,36px);line-height:1.22;letter-spacing:-.025em;color:var(--grey)}
.statement b{font-weight:350;color:var(--ink)}

/* Принципы — серые карточки с линейными схемами */
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px}
.card{background:var(--soft);padding:28px 28px 0;min-height:420px;display:flex;flex-direction:column}
.card h3{font-size:24px;letter-spacing:-.03em;line-height:1.1}
.card p{color:var(--grey);font-size:17px;line-height:1.4;margin-top:12px;letter-spacing:-.01em}
.card svg{margin-top:auto;width:100%;height:auto;max-height:190px;display:block}
.dg{fill:none;stroke:var(--ink);stroke-width:1;vector-effect:non-scaling-stroke}
.dg-d{fill:none;stroke:var(--ink);stroke-width:1;stroke-dasharray:3 4;vector-effect:non-scaling-stroke;opacity:.5}
.dg-g{fill:var(--green)}
.dg-k{fill:var(--ink)}
.dg-w{fill:#fff;stroke:var(--ink);stroke-width:1;vector-effect:non-scaling-stroke}
.dg-air{fill:none;stroke:var(--green);stroke-width:1.3;stroke-dasharray:2 6;vector-effect:non-scaling-stroke;animation:air 1.6s linear infinite}
@keyframes air{to{stroke-dashoffset:-16}}

/* Услуги — вкладки */
.tabs{display:grid;grid-template-columns:minmax(220px,.72fr) minmax(0,1.2fr) minmax(0,1.4fr);gap:3px;min-height:580px}
.tab-list{display:grid;grid-auto-rows:1fr;gap:3px}
.tab{display:flex;flex-direction:column;justify-content:space-between;gap:16px;padding:20px 22px;background:var(--soft-2);border:0;text-align:left;cursor:pointer;transition:background .25s}
.tab .mono{color:var(--grey);display:flex;align-items:center;gap:8px}
.tab .mono::before{content:"";width:6px;height:6px;background:currentColor}
.tab b{font-weight:350;font-size:22px;letter-spacing:-.03em;line-height:1.1}
.tab:hover{background:#e1e1de}
.tab[aria-selected=true]{background:#fff}
.tab[aria-selected=true] .mono{color:var(--green)}
.tab-panel{display:none;background:#fff;padding:clamp(24px,3vw,40px);flex-direction:column}
.tab-panel.on{display:flex}
.tab-panel h3{font-size:clamp(28px,2.4vw,36px);letter-spacing:-.04em;line-height:1.05;max-width:10em}
.tab-panel>p{color:var(--grey);font-size:17px;line-height:1.5;margin:auto 0 20px;padding-top:40px}
.tab-panel ul{list-style:none;margin:0 0 32px;padding:0;display:grid;gap:10px}
.tab-panel li{position:relative;padding-left:18px;font-size:16px;color:var(--ink-2);line-height:1.45}
.tab-panel li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;background:var(--ink)}
.tab-panel .btn{align-self:flex-start}
.tab-media{position:relative;overflow:hidden;background:#ddd}
.tab-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s var(--ease)}
.tab-media img.on{opacity:1}
.tab-media .chips{position:absolute;left:16px;bottom:16px;right:16px;display:none;flex-wrap:wrap;gap:6px;z-index:1}
.tab-media .chips.on{display:flex}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;background:rgba(255,255,255,.9);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);font-size:11px;font-family:"IBM Plex Mono",monospace;text-transform:uppercase;letter-spacing:.02em;color:var(--ink)}
.chip::before{content:"";width:4px;height:4px;background:var(--green)}
.chip-line{background:transparent;border:1px solid var(--line-2);backdrop-filter:none;-webkit-backdrop-filter:none}
.trio-head{margin:clamp(56px,6vw,88px) 0 28px}
.trio-head h3{font-size:clamp(28px,2.4vw,36px);letter-spacing:-.04em}
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px}
.trio div{background:#fff;padding:28px;min-height:160px}
.trio h4{font-size:21px;letter-spacing:-.025em;line-height:1.15}
.trio p{color:var(--grey);font-size:15px;line-height:1.45;margin-top:10px}

/* Избранный проект */
.feat{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,80px);padding-top:clamp(32px,4vw,48px);border-top:1px solid var(--line)}
.feat h3{font-size:clamp(28px,2.6vw,40px);letter-spacing:-.04em;line-height:1.05;margin:18px 0 28px;max-width:12em}
.feat-img{position:relative;aspect-ratio:4/3;overflow:hidden;cursor:pointer;margin:0}
.feat-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.feat-img:hover img{transform:scale(1.03)}
.feat-img figcaption{position:absolute;left:0;right:0;bottom:0;padding:70px 22px 20px;color:#fff;font-size:17px;line-height:1.4;background:linear-gradient(180deg,transparent,rgba(0,0,0,.55))}
.feat-txt{display:grid;gap:30px;align-content:start}
.feat-txt p{color:var(--grey);font-size:17px;line-height:1.55;margin-top:12px}
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px;margin-top:14px}
.tiles div{background:var(--soft);padding:20px;min-height:140px;display:flex;flex-direction:column;justify-content:space-between;gap:16px}
.tiles b{font-weight:350;font-size:22px;letter-spacing:-.03em;line-height:1.1}
.tiles span{color:rgba(0,0,0,.5);font-size:15px;line-height:1.3}

/* Лента проектов */
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:56px 20px}
.item{display:flex;flex-direction:column;text-align:left;background:none;border:0;padding:0;cursor:pointer;color:inherit}
.item::before{content:"";width:28px;height:1px;background:var(--ink);margin-bottom:18px}
.item h3{font-size:19px;letter-spacing:-.025em;line-height:1.2;min-height:2.4em}
.item .meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:12px 0 14px}
.item .meta .mono{color:var(--grey);display:flex;align-items:center;gap:8px}
.item .meta .mono::before{content:"";width:5px;height:5px;background:var(--ink)}
.item-img{aspect-ratio:4/3;overflow:hidden;background:var(--soft)}
.item-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.item:hover .item-img img{transform:scale(1.04)}
.tag-v{font-size:11px;padding:3px 7px;border:1px solid var(--line-2);font-family:"IBM Plex Mono",monospace;text-transform:uppercase;color:var(--ink-2);white-space:nowrap}

/* Этапы */
.steps4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px}
.step4{background:#fff;display:flex;flex-direction:column}
.step4 .ph{aspect-ratio:4/3;overflow:hidden}
.step4 .ph img{width:100%;height:100%;object-fit:cover}
.step4 .tx{padding:24px 24px 30px}
.step4 .mono{color:var(--green)}
.step4 h3{font-size:24px;letter-spacing:-.03em;margin:14px 0 12px;line-height:1.1}
.step4 p{color:var(--grey);font-size:15px;line-height:1.5}

/* Дизайнеры */
.designers{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:56px}
.designers .h2{max-width:11em;margin-top:22px}
.dlist{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);align-self:end}
.dlist li{display:grid;grid-template-columns:48px 1fr;padding:16px 0;border-bottom:1px solid var(--line);font-size:17px;color:var(--ink-2);line-height:1.45}
.dlist .mono{color:var(--grey);padding-top:4px}
.faces{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:3px}
.face{margin:0}
.face .fi{aspect-ratio:1;overflow:hidden;background:var(--soft)}
.face img{width:100%;height:100%;object-fit:cover;filter:grayscale(1);transition:filter .5s,transform .8s var(--ease)}
.face:hover img{filter:none;transform:scale(1.04)}
.face figcaption{font-size:12px;line-height:1.3;color:var(--grey);padding:8px 2px 0}
.face.logo-face img{object-fit:contain;padding:16%;background:#fff}
.btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:40px}

/* Отзывы */
.quotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}
.quote{margin:0;padding:36px 40px 36px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:24px}
.quote:nth-child(2n){padding:36px 0 36px 40px;border-left:1px solid var(--line)}
.quote q{quotes:none;font-size:clamp(18px,1.6vw,22px);line-height:1.4;letter-spacing:-.015em;color:var(--ink)}
.quote q::before{content:"«"}.quote q::after{content:"»"}
.quote figcaption{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote figcaption img,.quote figcaption i{width:40px;height:40px;object-fit:cover;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-style:normal;font-size:15px;filter:grayscale(1)}
.quote b{display:block;font-weight:450;font-size:15px}
.quote small{color:var(--grey);font-size:13px}

/* Видео */
.video{position:relative;aspect-ratio:16/9;background:#111;cursor:pointer;overflow:hidden}
.video img{width:100%;height:100%;object-fit:cover}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:2}
.video::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.45));pointer-events:none}
.play{position:absolute;z-index:1;left:24px;bottom:24px;display:inline-flex;align-items:center;gap:12px;color:#fff;font-size:15px;line-height:1.3;max-width:calc(100% - 48px)}
.play i{flex:none;width:52px;height:52px;border-radius:50%;background:#fff;color:var(--ink);display:grid;place-items:center;transition:transform .3s var(--ease)}
.play i svg{width:16px;height:16px;margin-left:3px}
.video:hover .play i{transform:scale(1.08)}
.video.is-playing::after,.video.is-playing .play{display:none}
.split{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(32px,4vw,64px);align-items:end}
.split .h2{margin-top:22px}
.split p{color:var(--grey);font-size:17px;line-height:1.55;margin:20px 0 28px}

/* Контакты и форма */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:3px}
.c-info{padding:0 clamp(0px,3vw,48px) 0 0}
.c-info .h2{margin:22px 0 36px}
.c-rows{border-top:1px solid var(--line)}
.c-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:15px 0;border-bottom:1px solid var(--line);font-size:16px}
.c-row .mono{color:var(--grey);padding-top:3px}
.c-row a:hover{color:var(--green-ink)}
.c-row .big{font-size:22px;letter-spacing:-.02em}
.socials{display:flex;flex-wrap:wrap;gap:6px;margin-top:24px}
.soc{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 14px;color:#fff;font-size:14px;font-weight:450;transition:opacity .2s}
.soc:hover{opacity:.88}
.soc svg{width:16px;height:16px}
.soc.tg{background:#27a7e7}.soc.vk{background:#0077ff}.soc.max{background:linear-gradient(135deg,#3b6cff,#9a3bff)}.soc.rt{background:#1d1a4d}
.form-card{background:var(--soft);padding:clamp(24px,3.5vw,48px);position:relative}
.form-card h2{font-size:clamp(28px,2.6vw,40px);letter-spacing:-.04em}
.form-card .sub{color:var(--grey);margin:14px 0 24px;font-size:16px;max-width:30em;line-height:1.5}
.f{display:grid;gap:4px}
.fld{position:relative;border-bottom:1px solid var(--line-2);transition:border-color .2s}
.fld:focus-within{border-color:var(--ink)}
.fld input,.fld textarea{width:100%;border:0;background:transparent;padding:26px 0 10px;font-size:18px;letter-spacing:-.01em;outline:none;resize:vertical;color:var(--ink)}
.fld textarea{min-height:84px}
.fld label{position:absolute;left:0;top:20px;font-size:17px;color:var(--grey);pointer-events:none;transition:.2s var(--ease)}
.fld input:focus+label,.fld input:not(:placeholder-shown)+label,.fld textarea:focus+label,.fld textarea:not(:placeholder-shown)+label{top:4px;font-size:12px}
.fld:has(input[aria-invalid=true]){border-color:#d1462f}
.chk{display:flex;gap:12px;align-items:flex-start;font-size:13px;line-height:1.5;color:var(--ink-2);cursor:pointer;margin-top:20px}
.chk input{appearance:none;-webkit-appearance:none;flex:none;width:18px;height:18px;border:1px solid var(--line-2);background:#fff;margin:1px 0 0;display:grid;place-items:center;cursor:pointer}
.chk input:checked{background:var(--ink);border-color:var(--ink)}
.chk input:checked::after{content:"";width:8px;height:4px;border:1.5px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.chk a{text-decoration:underline;text-underline-offset:3px}
.f .btn{margin-top:20px;width:100%;justify-content:space-between;min-height:56px;font-size:16px;padding:0 20px 0 24px}
.f .btn[disabled]{opacity:.6;cursor:progress}
.f-status{min-height:1.4em;font-size:14px;color:#b33a24;margin-top:8px}
.f-status a{text-decoration:underline}
.f-ok{display:none}
.f-ok .mono{color:var(--green)}
.f-ok h3{font-size:clamp(28px,2.6vw,40px);letter-spacing:-.04em;margin:18px 0 12px}
.f-ok p{color:var(--grey);margin-bottom:28px;line-height:1.5}
.form-card.is-sent .f{display:none}
.form-card.is-sent .f-ok{display:block}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* Диалоги */
dialog{border:0;padding:0;background:transparent;max-width:none;max-height:none;width:100%;height:100%;color:var(--ink)}
dialog::backdrop{background:rgba(15,15,15,.45);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
dialog[open]{display:block;overflow:auto;overscroll-behavior:contain}
.dlg{position:relative;margin:clamp(12px,4vh,48px) auto;width:min(1120px,calc(100% - 24px));background:#fff;padding:clamp(22px,4vw,56px);animation:dlgIn .45s var(--ease)}
.dlg-sm{width:min(560px,calc(100% - 24px));padding:0}
@keyframes dlgIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.x{position:sticky;top:0;float:right;margin:-10px -10px 0 16px;width:44px;height:44px;border:1px solid var(--line-2);background:#fff;cursor:pointer;display:grid;place-items:center;z-index:3}
.x:hover{background:var(--ink);color:#fff}
.x svg{width:16px;height:16px}
.dlg h2{font-size:clamp(30px,3.4vw,52px);letter-spacing:-.045em;margin:18px 0 18px;max-width:16em}
.dlg .lead{font-size:19px;color:var(--grey);max-width:38em;line-height:1.5;letter-spacing:-.01em}
.dlg-body{display:grid;gap:14px;margin-top:32px;color:var(--ink-2);max-width:44em;font-size:17px;line-height:1.55}
.dlg-body h4{font-size:13px;font-weight:450;text-transform:uppercase;letter-spacing:.02em;margin-top:18px;display:flex;align-items:center;gap:10px;color:var(--ink)}
.dlg-body h4::before{content:"";width:7px;height:7px;background:var(--green)}
.dlg-body ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.dlg-body li{position:relative;padding-left:18px}
.dlg-body li::before{content:"";position:absolute;left:0;top:.68em;width:5px;height:5px;background:var(--ink)}
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:3px;margin-top:32px}
.gal button{border:0;padding:0;overflow:hidden;cursor:zoom-in;aspect-ratio:4/3;background:var(--soft)}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.gal button:hover img{transform:scale(1.04)}
.dlg .video{margin-top:32px}
.dlg-actions{margin-top:40px;display:flex;gap:8px;flex-wrap:wrap;padding-top:28px;border-top:1px solid var(--line)}
.lightbox[open]{display:grid;place-items:center;padding:16px;background:rgba(255,255,255,.96)}
.lightbox img{max-width:min(1500px,100%);max-height:calc(100vh - 32px);width:auto;margin:auto}
.lightbox .x{position:fixed;right:16px;top:16px;margin:0}
#lead-dlg .form-card{background:#fff}
#lead-dlg .x{position:absolute;right:16px;top:16px;margin:0}
#film-dlg .dlg{padding:0;background:#000;width:min(1280px,calc(100% - 24px));margin-top:max(12px,calc(50vh - 360px))}
#film-dlg .x{position:absolute;right:-6px;top:-54px;margin:0}

/* Подвал — светлый */
.foot{background:var(--soft);padding:64px 0 32px}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:72px}
.foot .logo{padding:0;display:inline-flex}
.foot .logo-svg{width:110px}
.foot-top>div>p{color:var(--grey);font-size:15px;margin-top:18px;max-width:22em;line-height:1.5}
.foot h4{font-size:15px;font-weight:350;color:var(--grey);letter-spacing:-.01em;margin-bottom:16px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:15px}
.foot ul a:hover{color:var(--green-ink)}
.foot-bot{display:flex;justify-content:space-between;gap:12px 32px;flex-wrap:wrap;font-size:13px;color:var(--grey);padding-top:24px;border-top:1px solid var(--line)}
.foot-bot nav{display:flex;flex-wrap:wrap;gap:6px 20px}
.foot-bot a:hover{color:var(--ink)}

/* Внутренние страницы */
.page-hero{padding:calc(var(--head) + clamp(40px,5vw,72px)) 0 clamp(36px,4vw,56px)}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;color:var(--grey);margin-bottom:32px}
.crumbs a:hover{color:var(--ink)}
.crumbs span::before{content:"/";margin-right:8px;opacity:.5}
.ph-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(24px,4vw,64px);align-items:end}
.page-hero h1{font-size:clamp(42px,5.4vw,80px);letter-spacing:-.05em;line-height:.95}
.page-hero .lead{font-size:clamp(17px,1.4vw,20px);color:var(--grey);letter-spacing:-.01em;line-height:1.5}
.page-hero .hero-cta{margin-top:28px}
.ph-img{aspect-ratio:21/9;overflow:hidden;margin-top:clamp(32px,4vw,56px)}
.ph-img img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.prose-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,80px);padding:clamp(40px,5vw,64px) 0;border-top:1px solid var(--line)}
.prose-grid h2{font-size:clamp(28px,2.6vw,40px);letter-spacing:-.04em;line-height:1.05;margin-top:20px;max-width:12em}
.prose{display:grid;gap:16px;color:var(--ink-2);font-size:18px;line-height:1.55;letter-spacing:-.01em;max-width:38em}
.prose ul{list-style:none;padding:0;margin:4px 0;border-top:1px solid var(--line)}
.prose li{padding:13px 0 13px 44px;border-bottom:1px solid var(--line);position:relative;color:var(--ink)}
.prose li::before{content:attr(data-n);position:absolute;left:0;top:16px;font:12px "IBM Plex Mono",monospace;color:var(--grey)}
.cards4{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px;margin-top:8px}
.cards4 div{background:var(--soft);padding:22px;min-height:150px}
.cards4 b{display:block;font-weight:350;color:var(--ink);font-size:21px;letter-spacing:-.025em;margin-bottom:8px}
.cards4 p{font-size:15px;color:var(--grey)}
.svc4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px}
.svc4.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.svc{background:var(--soft);display:flex;flex-direction:column;transition:background .3s}
.svc:hover{background:var(--soft-2)}
.svc-img{aspect-ratio:4/3;overflow:hidden}
.svc-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.svc:hover .svc-img img{transform:scale(1.04)}
.svc-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.svc .mono{color:var(--grey)}
.svc h3{font-size:24px;letter-spacing:-.03em;line-height:1.1}
.svc p{color:var(--grey);font-size:15px;line-height:1.45}
.svc .go{margin-top:auto;padding-top:14px;font-size:14px;font-weight:450;display:flex;align-items:center;gap:8px}
.svc .go svg{width:14px;height:14px;transition:transform .3s var(--ease)}
.svc:hover .go svg{transform:translateX(4px)}
.events{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:56px 20px}
.offices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}
.office{position:relative;aspect-ratio:16/10;overflow:hidden;color:#fff}
.office img{width:100%;height:100%;object-fit:cover}
.office::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.6))}
.office div{position:absolute;z-index:1;left:24px;right:24px;bottom:22px}
.office h3{font-size:28px;letter-spacing:-.035em;margin:10px 0 6px}
.office p{font-size:15px;opacity:.85}

/* Документы */
.legal{padding:calc(var(--head) + 56px) 0 96px}
.legal-main{max-width:820px;margin:0 auto;color:var(--ink-2);font-size:17px;line-height:1.6}
.legal-main h1{font-size:clamp(34px,4vw,56px);color:var(--ink);letter-spacing:-.045em;margin:20px 0 14px;line-height:1}
.legal-main h2{font-size:22px;font-weight:400;color:var(--ink);letter-spacing:-.02em;margin:36px 0 10px;line-height:1.2}
.legal-main p,.legal-main li{margin:0 0 12px}
.legal-main a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.legal-main>a:first-child{font-size:14px;color:var(--grey)}
.legal-main .legal-version{font-size:14px;color:var(--grey)}
.legal-main dl{display:grid;grid-template-columns:minmax(160px,.8fr) 1.2fr;margin:24px 0;border-top:1px solid var(--line)}
.legal-main dt,.legal-main dd{margin:0;padding:12px 0;border-bottom:1px solid var(--line)}
.legal-main dt{color:var(--grey);font-size:15px}
.legal-main dd{color:var(--ink)}
.legal-main .eng-button{margin-top:24px;min-height:44px;padding:0 20px;border:1px solid var(--line-2);background:transparent;cursor:pointer}
.documents-list{display:grid;margin-top:24px;border-top:1px solid var(--line)}
.documents-list a{padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none!important;font-size:19px;letter-spacing:-.015em;display:flex;justify-content:space-between}
.documents-list a::after{content:"→";color:var(--grey)}
.e404{min-height:80vh;display:grid;place-items:center;text-align:center;padding:120px 16px}
.e404 h1{font-size:clamp(80px,14vw,180px);letter-spacing:-.06em}

.dock{display:none}

/* Появление */
.rv{opacity:0;transform:translateY(20px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.is-in,dialog .rv,.hero .rv,.page-hero .rv{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ——— Адаптив ——— */
@media (max-width:1240px){
  .nav>a,.nav-drop>a{padding:0 14px}
  .head-phone{display:none}
  .faces{grid-template-columns:repeat(5,minmax(0,1fr))}
  .grid4,.svc4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cards,.steps4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card{min-height:360px}
}
@media (max-width:1024px){
  .nav,.head .btn,.head-phone{display:none}
  .burger{display:block}
  .vision,.designers,.feat,.split,.contact,.ph-grid{grid-template-columns:1fr}
  .tabs{grid-template-columns:1fr;min-height:0}
  .tab-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tab-media{aspect-ratio:16/10}
  .tab-panel>p{padding-top:20px}
  .trio{grid-template-columns:1fr}
  .film{display:none}
  .prose-grid{grid-template-columns:1fr}
  .events{grid-template-columns:repeat(2,minmax(0,1fr))}
  .c-info{padding:0 0 40px}
  .foot-top{grid-template-columns:1fr 1fr}
  .svc4.three{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  :root{--head:60px}
  body{padding-bottom:60px}
  .logo{padding-right:12px}
  .logo-svg{width:76px}
  .hero{min-height:max(560px,92svh)}
  .hero-prog{gap:6px;padding-bottom:16px}
  .seg .mono{display:none}
  .hero-cta .btn{flex:1 1 100%;justify-content:space-between}
  .cards,.steps4,.grid4,.svc4,.svc4.three,.events,.offices,.tiles{grid-template-columns:1fr}
  .tiles div{min-height:0}
  .card{min-height:0;padding-bottom:20px}
  .card svg{max-height:140px;margin-top:24px}
  .tab b{font-size:18px}
  .tab{padding:16px}
  .faces{grid-template-columns:repeat(4,minmax(0,1fr))}
  .face figcaption{font-size:11px}
  .quotes{grid-template-columns:1fr}
  .quote,.quote:nth-child(2n){padding:28px 0;border-left:0}
  .c-row{grid-template-columns:1fr;gap:2px}
  .foot-top{grid-template-columns:1fr;padding-bottom:40px}
  .dlg{margin:0;width:100%;min-height:100%;padding:20px 16px 32px}
  .dlg-sm{min-height:0;margin:0 auto}
  .x{margin:-4px -4px 0 12px}
  #film-dlg .dlg{min-height:0;margin-top:30vh}
  #film-dlg .x{right:8px}
  .legal-main dl{grid-template-columns:1fr}
  .legal-main dd{padding-top:0}
  .ph-img{aspect-ratio:4/3}
  .item h3{min-height:0}
  .dock{display:grid;grid-template-columns:60px 60px 1fr;position:fixed;z-index:40;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);transition:transform .35s var(--ease)}
  .dock.is-hidden{transform:translateY(100%)}
  .dock a,.dock button{height:60px;display:flex;align-items:center;justify-content:center;gap:8px;border:0;font-size:15px;font-weight:450;cursor:pointer;background:#fff;color:var(--ink)}
  .dock .d-call{border-right:1px solid var(--line)}
  .dock .d-tg{background:#27a7e7;color:#fff}
  .dock .d-go{background:var(--green);color:#fff}
  .dock svg{width:20px;height:20px}
}

/* ===== Лендинг «Мастер Инжиниринг» ===== */
.logo-img{display:flex;align-items:center;gap:10px;font-weight:500;font-size:15px;letter-spacing:-.01em;line-height:1.05;text-transform:uppercase}
.logo-img img{width:34px;height:34px}
.logo-img small{display:block;font-size:10px;letter-spacing:.06em;font-weight:450;opacity:.7}
.head-msg{display:flex;gap:6px}
.head-msg a{width:36px;height:36px;display:grid;place-items:center;color:#fff}
.head-msg svg{width:17px;height:17px}
.m-wa{background:#25d366}.m-tg{background:#27a7e7}.m-max{background:linear-gradient(135deg,#3b6cff,#9a3bff)}
.hero h1 em{font-style:normal;color:#c9f0cf}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.25);margin-top:36px;max-width:760px}
.facts div{padding:14px 18px 0 0}
.facts div+div{padding-left:18px;border-left:1px solid rgba(255,255,255,.25)}
.facts b{display:block;font-weight:350;font-size:clamp(24px,2.2vw,32px);letter-spacing:-.04em;line-height:1}
.facts span{display:block;font-size:13px;line-height:1.35;color:rgba(255,255,255,.8);margin-top:6px}

/* Кейсы с ценами */
.cases{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px}
.case{background:var(--soft);display:flex;flex-direction:column}
.case-img{position:relative;aspect-ratio:4/3;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.case:hover .case-img img{transform:scale(1.04)}
.case-img .chip{position:absolute;left:12px;top:12px}
.case-b{padding:22px 22px 26px;display:flex;flex-direction:column;gap:14px;flex:1}
.case-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.case-top span{color:var(--grey);font-size:14px}
.price{font-size:32px;letter-spacing:-.045em;line-height:1}
.case dl{margin:0;display:grid;gap:12px}
.case dt{font:12px "IBM Plex Mono",monospace;text-transform:uppercase;color:var(--grey);margin-bottom:3px}
.case dd{margin:0;font-size:15px;line-height:1.45;color:var(--ink-2)}
.case .note{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:15px;display:flex;gap:10px;align-items:baseline}
.case .note::before{content:"";width:6px;height:6px;background:var(--green);flex:none;transform:translateY(-2px)}
.cases-foot{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.cases-foot p{color:var(--grey);max-width:44em;font-size:16px;line-height:1.5}

/* Квиз */
.quiz-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:3px}
.quiz-side{background:var(--green);color:#fff;padding:clamp(28px,3.5vw,48px);display:flex;flex-direction:column;gap:20px;position:relative;overflow:hidden}
.quiz-side .label{color:#fff}.quiz-side .label::before{background:#fff}
.quiz-side h2{font-size:clamp(32px,3.2vw,48px);letter-spacing:-.045em;line-height:1}
.quiz-side p{opacity:.88;font-size:17px;line-height:1.5}
.quiz-side ul{list-style:none;margin:auto 0 0;padding:0;border-top:1px solid rgba(255,255,255,.3)}
.quiz-side li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.3);font-size:15px;display:flex;gap:12px}
.quiz-side li::before{content:"";width:6px;height:6px;background:#fff;flex:none;margin-top:8px}
.quiz{background:var(--soft);padding:clamp(24px,3.5vw,48px);display:flex;flex-direction:column;min-height:560px}
.q-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}
.q-bar{flex:1;height:2px;background:var(--line);position:relative}
.q-bar i{position:absolute;inset:0;background:var(--green);transform-origin:left;transform:scaleX(.2);transition:transform .5s var(--ease)}
.q-step{display:none;flex-direction:column;flex:1;animation:qIn .45s var(--ease)}
.q-step.on{display:flex}
@keyframes qIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}
.q-step h3{font-size:clamp(24px,2.2vw,32px);letter-spacing:-.035em;line-height:1.1}
.q-step .hint{color:var(--grey);font-size:15px;margin:8px 0 22px}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}
.opt{position:relative;display:flex;align-items:center;gap:12px;min-height:60px;padding:14px 16px;background:#fff;cursor:pointer;font-size:16px;line-height:1.3;transition:background .2s,box-shadow .2s}
.opt:hover{box-shadow:inset 0 0 0 1px var(--line-2)}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt i{flex:none;width:18px;height:18px;border:1px solid var(--line-2);display:grid;place-items:center;background:#fff}
.opt input[type=radio]+i{border-radius:50%}
.opt input:checked+i{background:var(--green);border-color:var(--green)}
.opt input:checked+i::after{content:"";width:8px;height:4px;border:1.5px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.opt:has(input:checked){box-shadow:inset 0 0 0 1px var(--green)}
.opt:has(input:focus-visible){outline:1.5px solid var(--green);outline-offset:2px}
.q-nav{display:flex;justify-content:space-between;gap:10px;margin-top:auto;padding-top:28px}
.q-nav .btn[disabled]{opacity:.35;pointer-events:none}
.q-final .f{gap:4px}
.q-final .fld input{font-size:18px}
.q-final .msgr{display:flex;flex-wrap:wrap;gap:3px;margin:18px 0 4px}
.q-final .msgr .opt{min-height:48px;flex:1 1 120px;font-size:15px}
.q-sum{font-size:14px;color:var(--grey);line-height:1.5;margin:4px 0 14px}

/* День монтажа */
.day{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px}
.day-s{background:#fff;padding:28px 28px 32px;min-height:240px;display:flex;flex-direction:column}
.day-s .mono{color:var(--green)}
.day-s h3{font-size:26px;letter-spacing:-.035em;margin:40px 0 12px;line-height:1.1}
.day-s p{color:var(--grey);font-size:16px;line-height:1.5}
.day-photo{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px;margin-top:3px}
.day-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* Схема и грунт */
.scheme{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(32px,4vw,64px);align-items:center}
.scheme figure{margin:0;background:#fff;border:1px solid var(--line)}
.scheme figure img{width:100%;height:auto}
.soil{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.soil li{padding:18px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:44px 1fr;gap:6px 0}
.soil .mono{color:var(--grey);padding-top:5px}
.soil b{font-weight:350;font-size:22px;letter-spacing:-.03em}
.soil p{grid-column:2;color:var(--grey);font-size:15px;line-height:1.5}

/* Почему мы + гарантии */
.why{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px}
.why div{background:var(--soft);padding:28px;min-height:230px;display:flex;flex-direction:column}
.why h3{font-size:24px;letter-spacing:-.03em;line-height:1.1;margin-top:auto}
.why p{color:var(--grey);font-size:16px;line-height:1.5;margin-top:12px}
.why .mono{color:var(--green)}
.guar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:clamp(32px,4vw,72px);align-items:start}
.guar-img{position:sticky;top:calc(var(--head) + 24px);aspect-ratio:4/5;overflow:hidden}
.guar-img img{width:100%;height:100%;object-fit:cover}
.glist{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.glist li{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.glist .mono{color:var(--grey);padding-top:5px}
.glist p{font-size:clamp(18px,1.6vw,22px);letter-spacing:-.02em;line-height:1.35}

/* Работы */
.works{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px}
.work{margin:0;position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--soft);cursor:zoom-in;border:0;padding:0}
.work img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.work:hover img{transform:scale(1.04)}
.work figcaption{position:absolute;left:0;right:0;bottom:0;padding:48px 14px 12px;color:#fff;font-size:14px;line-height:1.35;text-align:left;background:linear-gradient(180deg,transparent,rgba(0,0,0,.6))}
.work figcaption .mono{display:block;opacity:.8;margin-bottom:4px;font-size:11px}

/* Команда */
.team{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px}
.tm{margin:0;background:var(--soft)}
.tm img{width:100%;aspect-ratio:1;object-fit:cover;filter:grayscale(1);transition:filter .5s}
.tm:hover img{filter:none}
.tm figcaption{padding:16px 18px 20px}
.tm b{display:block;font-weight:350;font-size:22px;letter-spacing:-.03em}
.tm span{color:var(--grey);font-size:12px;font-family:"IBM Plex Mono",monospace;text-transform:uppercase}

/* Отзывы-карточки */
.revs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px}
.rev{margin:0;background:#fff;padding:28px;display:flex;flex-direction:column;gap:22px;min-height:230px}
.rev .stars{display:flex;gap:3px;color:#f5a623}
.rev .stars svg{width:14px;height:14px}
.rev q{quotes:none;font-size:19px;line-height:1.4;letter-spacing:-.015em}
.rev q::before{content:"«"}.rev q::after{content:"»"}
.rev figcaption{margin-top:auto;display:flex;justify-content:space-between;gap:12px;font-size:14px;padding-top:16px;border-top:1px solid var(--line)}
.rev figcaption span{color:var(--grey)}
.ya-badge{display:inline-flex;align-items:center;gap:14px;padding:10px 16px;border:1px solid var(--line-2);background:#fff}
.ya-badge b{font-weight:350;font-size:28px;letter-spacing:-.04em}
.ya-badge span{font-size:13px;color:var(--grey);line-height:1.3}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;padding:22px 0;font-size:clamp(18px,1.6vw,22px);letter-spacing:-.02em;line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:300;font-size:26px;line-height:1;transition:transform .3s var(--ease);color:var(--grey)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--grey);font-size:17px;line-height:1.55;padding:0 0 24px;max-width:46em}
.faq-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,4vw,72px)}

@media (max-width:1240px){
  .cases{grid-template-columns:repeat(2,minmax(0,1fr))}
  .works{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1024px){
  .head-msg{display:none}
  .quiz-wrap,.scheme,.guar,.faq-grid{grid-template-columns:1fr}
  .guar-img{position:relative;top:0;aspect-ratio:16/10}
  .day,.why{grid-template-columns:1fr}
  .day-s,.why div{min-height:0}
  .day-s h3,.why h3{margin-top:18px}
  .team{grid-template-columns:repeat(2,minmax(0,1fr))}
  .revs{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .facts{grid-template-columns:1fr 1fr}
  .facts div:nth-child(3){padding-left:0;border-left:0}
  .facts div:nth-child(n+3){margin-top:14px}
  .cases,.revs,.opts{grid-template-columns:1fr}
  .works{grid-template-columns:1fr 1fr}
  .day-photo{grid-template-columns:1fr 1fr}
  .glist li{grid-template-columns:1fr;gap:6px}
  .quiz{min-height:0}
  .logo-img span{font-size:13px}
}
/* правки v1 */
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(8,12,10,.55) 0,rgba(8,12,10,.25) 38%,rgba(8,12,10,0) 62%)}
.day-s,.rev{background:var(--soft)}
.case-top{flex-direction:column;align-items:flex-start;gap:6px}
@media (max-width:680px){.hero::before{background:linear-gradient(180deg,rgba(8,12,10,.1),rgba(8,12,10,.45))}}
[hidden]{display:none!important}
.hero{padding-top:calc(var(--head) + 24px)}
.opt:hover:not(:has(input:checked)){box-shadow:inset 0 0 0 1px var(--line-2)}
@media (max-width:680px){
  .hero::before{background:linear-gradient(180deg,rgba(8,12,10,.35),rgba(8,12,10,.25) 30%,rgba(8,12,10,.55))}
  .hero h1{font-size:40px}
  .hero-sub{font-size:16px;margin:16px 0 22px}
  .facts{margin-top:24px}
}
.hero h1,.hero-sub{text-shadow:0 1px 24px rgba(0,0,0,.3)}
/* Окно при уходе */
.dlg.exit{width:min(980px,calc(100% - 24px));padding:0;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
.dlg.exit .x{position:absolute;right:14px;top:14px;margin:0}
.exit-img{position:relative;min-height:100%}
.exit-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.exit-body{padding:clamp(24px,3.5vw,44px)}
.exit-body h2{font-size:clamp(26px,2.6vw,38px);letter-spacing:-.04em;line-height:1.05;margin:18px 0 12px;max-width:none}
.exit-body .sub{color:var(--grey);font-size:16px;line-height:1.5;margin-bottom:8px}
.exit-body .msgr{display:flex;flex-wrap:wrap;gap:3px;margin:16px 0 0}
.exit-body .msgr .opt{min-height:44px;flex:1 1 100px;font-size:15px;background:var(--soft)}
/* Плашка-подсказка */
.nudge{position:fixed;z-index:39;left:20px;bottom:20px;width:340px;background:#fff;border:1px solid var(--line);box-shadow:0 30px 60px -20px rgba(0,0,0,.3);padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;transform:translateY(calc(100% + 40px));transition:transform .5s var(--ease)}
.nudge.on{transform:none}
.nudge .x{position:absolute;right:8px;top:8px;margin:0;width:34px;height:34px;border:0}
.nudge .mono{color:var(--green)}
.nudge b{font-weight:350;font-size:21px;letter-spacing:-.03em;line-height:1.15;padding-right:24px}
.nudge p{color:var(--grey);font-size:14px;line-height:1.45}
.nudge .btn{align-self:flex-start;margin-top:6px}
@media (max-width:680px){
  .dlg.exit{grid-template-columns:1fr}
  .exit-img{height:160px;min-height:0}
  .nudge{left:10px;right:10px;width:auto;bottom:70px}
}
.hero h1{max-width:12.5em}
/* Блок-приглашение к расчёту */
.calc-card{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);background:#fff;border:1px solid var(--line)}
.calc-img{position:relative;min-height:520px;overflow:hidden}
.calc-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.calc-body{padding:clamp(28px,4vw,56px);display:flex;flex-direction:column}
.calc-body .h2{margin:22px 0 18px;max-width:12em}
.calc-body>p{color:var(--grey);font-size:17px;line-height:1.55;max-width:34em}
.calc-steps{list-style:none;margin:28px 0 32px;padding:0;border-top:1px solid var(--line)}
.calc-steps li{display:grid;grid-template-columns:44px 1fr;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px}
.calc-steps .mono{color:var(--green);padding-top:3px}
.calc-body .hero-cta{margin-top:auto;align-items:center}
.calc-note{color:var(--grey);font-size:14px}
/* Квиз в окне */
.quiz-dlg .qd{position:relative;margin:clamp(12px,5vh,56px) auto;width:min(1080px,calc(100% - 24px));min-height:min(640px,calc(100vh - 2*clamp(12px,5vh,56px)));display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);background:#fff;animation:dlgIn .45s var(--ease)}
.quiz-dlg .x{position:absolute;right:14px;top:14px;margin:0;z-index:3}
.qd-side{position:relative;overflow:hidden;color:#fff;display:flex;align-items:flex-end}
.qd-side img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.qd-side::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,12,0) 30%,rgba(10,14,12,.72))}
.qd-side-in{position:relative;z-index:1;padding:28px;display:grid;gap:14px}
.qd-side .label{color:#fff}
.qd-side b{font-weight:350;font-size:26px;letter-spacing:-.035em;line-height:1.1}
.qd-side ul{list-style:none;margin:4px 0 0;padding:0;border-top:1px solid rgba(255,255,255,.3)}
.qd-side li{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.3);font-size:14px;display:flex;gap:10px}
.qd-side li::before{content:"";width:5px;height:5px;background:var(--green);flex:none;margin-top:8px}
.quiz-dlg .quiz{background:#fff;min-height:0;padding:clamp(24px,3.5vw,48px) clamp(24px,3.5vw,48px) clamp(20px,3vw,36px)}
.quiz-dlg .q-top{padding-right:56px}
.quiz-dlg .opt{background:var(--soft)}
@media (max-width:860px){
  .calc-card{grid-template-columns:1fr}
  .calc-img{min-height:0;aspect-ratio:16/10}
  .quiz-dlg .qd{grid-template-columns:1fr;margin:0;width:100%;min-height:100%}
  .qd-side{display:none}
  .quiz-dlg .quiz{min-height:100svh;padding:20px 16px 16px}
  .quiz-dlg .q-nav{position:sticky;bottom:0;background:#fff;padding:14px 0 calc(6px + env(safe-area-inset-bottom));margin-top:auto;border-top:1px solid var(--line)}
}