/* Версия B «Студийный»: графит и бронза, чертежи на светлой «бумаге», переход между страницами кругом. */
:root {
  --bg: #1D2326; --bg2: #232A2E; --panel: #262C2F; --fg: #EDEFEC; --mut: #A9B3AE; --acc: #C9A06B; --sage: #6E8179;
  --paper: #F2F3F0; --ink: #1D2326; --line: rgba(255, 255, 255, .14); --soft: rgba(255, 255, 255, .07);
  --rl-bg: #14181A; --rl-fg: #EDEFEC;
  --g: clamp(1.25rem, 4vw, 3rem); --ease: cubic-bezier(.2, .7, .1, 1); --hd: 4.5rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; background: var(--bg); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: 'Geologica', system-ui, sans-serif; font-weight: 330; font-size: 1.0625rem; line-height: 1.6; overflow-x: clip; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, p, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; }
.skip { position: fixed; left: 1rem; top: -4rem; z-index: 2000; background: var(--acc); color: var(--ink); padding: .6rem 1rem; border-radius: 99px; transition: top .2s; }
.skip:focus { top: 1rem; }
.wrapb { width: min(1360px, 100%); margin-inline: auto; padding-inline: var(--g); }
.eyebrow { font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; color: var(--acc); font-weight: 450; }
.sec-lead { max-width: 62ch; color: var(--mut); }

/* переход между страницами: круг от места клика */
.pt { position: fixed; inset: 0; z-index: 960; background: var(--acc); pointer-events: none; clip-path: circle(0% at var(--px, 50%) var(--py, 50%)); transition: clip-path .85s cubic-bezier(.7, 0, .2, 1); }
.pt.cover { clip-path: circle(150% at var(--px, 50%) var(--py, 50%)); transition-duration: .7s; pointer-events: all; }
.pt-in .pt { clip-path: circle(150% at var(--px, 50%) var(--py, 50%)); transition: none; }

/* кнопки */
.btn { display: inline-flex; align-items: center; gap: .6rem; padding: .8rem 1.5rem; border-radius: 99px; font-size: .95rem; font-weight: 450; cursor: pointer; border: 1px solid transparent; transition: background .25s, color .25s, transform .3s var(--ease); }
.btn-b { background: var(--acc); color: var(--ink); }
.btn-b:hover { background: var(--fg); transform: translateY(-2px); }
.btn-ghost { border-color: var(--line); background: transparent; color: var(--fg); }
.btn-ghost:hover { border-color: var(--fg); }
.btn-big { padding: 1.05rem 2.1rem; font-size: 1.05rem; }
.arr { transition: transform .35s var(--ease); } .btn:hover .arr { transform: translateX(5px); }

/* шапка */
.hd { position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--hd); display: flex; align-items: center; gap: 2rem; padding-inline: var(--g); transition: background .35s, box-shadow .35s; }
.hd.stuck { background: rgba(29, 35, 38, .86); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--soft); }
.hd-logo .logo { height: 26px; width: auto; display: block; color: var(--fg); }
.hd-nav { display: flex; gap: 1.8rem; margin-left: auto; font-size: .92rem; }
.hd-nav a { position: relative; padding: .3rem 0; opacity: .72; transition: opacity .2s; }
.hd-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--acc); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.hd-nav a:hover, .hd-nav a[aria-current] { opacity: 1; } .hd-nav a:hover::after, .hd-nav a[aria-current]::after { transform: scaleX(1); }
.hd-cta { padding: .55rem 1.2rem; font-size: .88rem; }
.burger { display: none; margin-left: auto; width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 1px solid var(--line); background: transparent; position: relative; cursor: pointer; }
.burger i { position: absolute; left: 50%; width: 1.1rem; height: 1.5px; background: var(--fg); translate: -50% 0; transition: transform .3s var(--ease); }
.burger i:first-child { top: 41%; } .burger i:last-child { top: 57%; }
.burger[aria-expanded="true"] i:first-child { transform: translateY(3.5px) rotate(45deg); } .burger[aria-expanded="true"] i:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mnav { position: fixed; inset: 0; z-index: 90; background: var(--bg); display: flex; flex-direction: column; justify-content: center; padding: 5rem var(--g) 2rem; }
.mnav[hidden] { display: none; }
.mnav a { font-size: 1.9rem; font-weight: 300; padding: .5rem 0; border-bottom: 1px solid var(--soft); }

/* первый экран */
.hero { min-height: 100svh; display: flex; flex-direction: column; justify-content: space-between; padding-top: calc(var(--hd) + 1rem); overflow: hidden; }
.hero-in { width: min(1360px, 100%); margin: auto; padding: clamp(1.5rem, 5vh, 4rem) var(--g); position: relative; }
.hero-eb { margin-bottom: 1.4rem; }
.hero-h { line-height: 0; }
.hero-logo { width: min(100%, 920px); height: auto; color: var(--fg); overflow: visible; }
.hero-cols { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(1.5rem, 5vw, 5rem); margin-top: clamp(1.6rem, 4vw, 3rem); align-items: end; }
.hero-lead { font-size: clamp(1.05rem, 1.5vw, 1.3rem); font-weight: 300; max-width: 52ch; color: #D5DAD6; }
.hero-facts { display: grid; gap: 0; border-top: 1px solid var(--line); }
.hero-facts li { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.hero-facts b { font-weight: 450; } .hero-facts span { color: var(--mut); font-size: .92rem; text-align: right; }
.cue { position: absolute; right: var(--g); top: -2rem; color: var(--acc); display: grid; place-items: center; }
.cue svg circle { stroke-dasharray: 6 5; transform-origin: center; animation: spin 24s linear infinite; }
.cue svg path { transition: transform .4s var(--ease); } .cue:hover svg path { transform: translateY(4px); }
@keyframes spin { to { transform: rotate(360deg); } }
.marq { border-block: 1px solid var(--line); overflow: hidden; padding: .9rem 0; }
.marq-t { display: flex; width: max-content; gap: 2.4rem; animation: marq 46s linear infinite; font-size: .85rem; letter-spacing: .16em; text-transform: uppercase; color: var(--mut); }
.marq-t span::after { content: "/"; margin-left: 2.4rem; color: var(--acc); }
@keyframes marq { to { transform: translateX(-50%); } }

.js .hero-eb, .js .hero-cols { opacity: 0; transform: translateY(20px); }
.js .hero-logo { clip-path: inset(0 100% 0 0); }
.ready .hero-eb, .ready .hero-cols { opacity: 1; transform: none; transition: opacity .9s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.ready .hero-logo { clip-path: inset(0 0 0 0); transition: clip-path 1.3s var(--ease) .1s; }
.ready .hero-cols { --d: .55s; }

/* два раздела: карточки наезжают друг на друга */
.chaps { position: relative; }
.chap { position: sticky; top: 0; min-height: 100vh; display: grid; align-items: center; padding: calc(var(--hd) + 2rem) var(--g) 3rem; background: var(--bg2); border-top: 1px solid var(--line); border-radius: 28px 28px 0 0; will-change: transform; }
.chap-viz { background: var(--paper); color: var(--ink); box-shadow: 0 -30px 60px -30px rgba(0, 0, 0, .55); }
.chap-viz .eyebrow { color: #8A6B3F; } .chap-viz .chap-txt p:not(.eyebrow) { color: #3C464A; }
.chap-in { width: min(1360px, 100%); margin: auto; display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.chap-txt { display: grid; gap: 1.2rem; justify-items: start; }
.chap-txt h2 { font-weight: 300; font-size: clamp(2.4rem, 5.6vw, 5rem); line-height: 1.02; letter-spacing: -.015em; }
.chap-txt p:not(.eyebrow) { max-width: 46ch; color: var(--mut); }
.chap-pics { position: relative; aspect-ratio: 1.15; }
.chap-pics-viz { aspect-ratio: 1.05; }
.cp { position: absolute; background: #fff; border-radius: 6px; overflow: hidden; box-shadow: 0 30px 60px -28px rgba(0, 0, 0, .6); }
.cp img { width: 100%; height: 100%; object-fit: cover; }
.chap-tech .cp-1 { left: 0; top: 4%; width: 78%; aspect-ratio: 800/550; transform: rotate(-2.5deg); }
.chap-tech .cp-2 { right: 0; top: 30%; width: 62%; aspect-ratio: 800/550; transform: rotate(3deg); }
.chap-tech .cp-3 { left: 12%; bottom: 0; width: 60%; aspect-ratio: 800/550; transform: rotate(-1deg); }
.chap-viz .cp-1 { left: 4%; top: 6%; width: 40%; aspect-ratio: 3/4; transform: rotate(-3deg); }
.chap-viz .cp-2 { left: 34%; top: 0; width: 38%; aspect-ratio: 3/4; transform: rotate(2.5deg); z-index: 1; }
.chap-viz .cp-3 { right: 0; bottom: 2%; width: 40%; aspect-ratio: 3/4; transform: rotate(-1.5deg); z-index: 2; }

/* общие секции */
[data-rv] { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0ms); }
[data-rv].in { opacity: 1; transform: none; }
.sec { padding-block: clamp(4rem, 9vw, 8rem); position: relative; background: var(--bg); }
.sec-hd { display: grid; gap: .9rem; margin-bottom: clamp(1.8rem, 4vw, 3.2rem); }
.sec-hd h2, .page-hd h1 { font-weight: 300; font-size: clamp(2.1rem, 4.8vw, 4rem); line-height: 1.05; letter-spacing: -.012em; }
.page-hd { padding: calc(var(--hd) + clamp(2.5rem, 7vw, 5.5rem)) 0 clamp(2rem, 4vw, 3rem); }
.page-hd .wrapb { display: grid; gap: 1rem; }

.b-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 clamp(1.2rem, 3vw, 3rem); }
.b-st { border-top: 1px solid var(--line); padding: 1.6rem 0 2.4rem; position: relative; }
.b-st::before { content: ""; position: absolute; left: 0; top: -1px; height: 1px; width: 0; background: var(--acc); transition: width 1s var(--ease); }
.b-st.in::before { width: 100%; }
.b-stn { display: block; font-size: 3.6rem; font-weight: 200; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--acc); margin-bottom: 1.1rem; font-variant-numeric: tabular-nums; }
.b-st h3 { font-weight: 450; font-size: 1.25rem; margin-bottom: .4rem; } .b-st p { color: var(--mut); max-width: 38ch; }

/* пакеты: колонки */
.sec-pk { background: var(--bg2); }
.pcols { display: flex; gap: .9rem; min-height: clamp(26rem, 58vh, 34rem); }
.pcol { flex: 1; position: relative; display: flex; flex-direction: column; justify-content: space-between; gap: 1.4rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); overflow: hidden; transition: flex .7s var(--ease), background .35s, border-color .35s, transform .5s var(--ease), opacity .9s var(--ease); }
.pcols:hover .pcol:not(:hover) { flex: .82; }
.pcol:hover { flex: 1.45; border-color: var(--acc); background: #2D353A; }
.pcol::after { content: ""; position: absolute; right: -5rem; top: -5rem; width: 12rem; height: 12rem; border: 1px solid var(--line); border-radius: 50%; transition: transform .8s var(--ease), border-color .3s; }
.pcol:hover::after { transform: scale(1.6); border-color: var(--acc); }
.pcol-n { font-size: 3.6rem; font-weight: 200; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--acc); }
.pcol-body { display: grid; gap: .7rem; }
.pcol-name { font-size: 1.5rem; font-weight: 400; line-height: 1.15; } .pcol-lead { color: var(--mut); font-size: .95rem; }
.pcol-foot { display: grid; gap: .3rem; }
.pcol-price { font-size: 2.3rem; font-weight: 300; line-height: 1; font-variant-numeric: tabular-nums; } .pcol-price small { font-size: .85rem; color: var(--mut); }
.pcol-term { color: var(--mut); font-size: .88rem; }
.pcol-go { display: inline-flex; align-items: center; gap: .5rem; margin-top: .9rem; font-size: .9rem; font-weight: 450; color: var(--acc); }
.pcol:hover .pcol-go .arr { transform: translateX(6px); }
.pcol-hit { background: var(--acc); color: var(--ink); border-color: var(--acc); }
.pcol-hit .pcol-n { -webkit-text-stroke-color: var(--ink); } .pcol-hit .pcol-lead, .pcol-hit .pcol-term, .pcol-hit .pcol-price small { color: #3A3224; } .pcol-hit .pcol-go { color: var(--ink); }
.pcol-hit:hover { background: #D8B684; border-color: #D8B684; } .pcol-hit::after { border-color: rgba(29, 35, 38, .25); }
.pk-extra { margin-top: 1.8rem; color: var(--mut); font-size: .94rem; max-width: 90ch; }
.sec-pk-p { padding-bottom: 6rem; }

.band { background: var(--acc); color: var(--ink); }
.band-in { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
.band h2 { font-weight: 300; font-size: clamp(2rem, 4.8vw, 4rem); line-height: 1.05; }
.band .btn-b { background: var(--ink); color: var(--fg); } .band .btn-b:hover { background: var(--fg); color: var(--ink); }

/* список проектов */
.prows { padding-bottom: 6rem; position: relative; border-top: 1px solid var(--line); }
.prow { display: grid; grid-template-columns: 4rem 1fr auto 3rem; gap: 1rem; align-items: center; padding: clamp(1.2rem, 2.6vw, 2rem) .4rem; border-bottom: 1px solid var(--line); transition: padding .5s var(--ease), background .3s; }
.prow:hover { padding-left: 1.4rem; background: var(--soft); }
.prow-n { color: var(--acc); font-size: .9rem; letter-spacing: .1em; }
.prow-t { font-size: clamp(1.5rem, 3.4vw, 2.8rem); font-weight: 300; line-height: 1.1; }
.prow-m { color: var(--mut); font-size: .9rem; }
.prow-go { justify-self: end; color: var(--acc); }
.prow:hover .arr { transform: translateX(6px); }
.prow-pv { position: fixed; left: 0; top: 0; width: min(380px, 30vw); aspect-ratio: 4/3; z-index: 50; pointer-events: none; background: #fff; border-radius: 6px; overflow: hidden; box-shadow: 0 28px 60px -20px rgba(0, 0, 0, .7); opacity: 0; transform: translate(-50%, -50%) scale(.9) rotate(-3deg); transition: opacity .25s, transform .35s var(--ease); }
.prow-pv img { width: 100%; height: 100%; object-fit: cover; }
.prow-pv.on { opacity: 1; }
@media (hover: none) { .prow-pv { display: none; } }

/* страница проекта */
.pj { display: grid; grid-template-columns: minmax(300px, 410px) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); padding: calc(var(--hd) + 1.2rem) var(--g) 3rem; min-height: 100svh; width: min(1560px, 100%); margin-inline: auto; align-items: start; }
.pj-side { position: sticky; top: calc(var(--hd) + 1.2rem); display: grid; gap: .9rem; max-height: calc(100svh - var(--hd) - 2rem); overflow: auto; scrollbar-width: thin; padding-bottom: 1rem; }
.crumbs { display: flex; gap: .5rem; font-size: .84rem; color: var(--mut); flex-wrap: wrap; } .crumbs a:hover { color: var(--acc); }
.pj-side h1 { font-weight: 300; font-size: clamp(1.8rem, 3vw, 2.5rem); line-height: 1.08; }
.toc { border-top: 1px solid var(--line); margin-top: .4rem; }
.toc-i { display: grid; grid-template-columns: 2.4rem 1fr; gap: .2rem .5rem; width: 100%; text-align: left; padding: .85rem .1rem; background: none; border: 0; border-bottom: 1px solid var(--line); cursor: pointer; opacity: .6; transition: opacity .25s, padding .4s var(--ease); }
.toc-i:hover, .toc-i[aria-current="true"] { opacity: 1; }
.toc-i[aria-current="true"] { padding-left: .6rem; box-shadow: inset 2px 0 0 var(--acc); }
.toc-n { color: var(--acc); font-size: .8rem; letter-spacing: .1em; padding-top: .25rem; font-variant-numeric: tabular-nums; }
.toc-b { display: grid; }
.toc-t { font-size: 1.05rem; font-weight: 400; }
.toc-d { display: block; max-height: 0; overflow: hidden; opacity: 0; font-size: .88rem; color: var(--mut); line-height: 1.5; transition: max-height .5s var(--ease), opacity .4s, margin .4s; }
.toc-i[aria-current="true"] .toc-d { max-height: 9rem; opacity: 1; margin-top: .4rem; }
.pj-nav { display: grid; gap: .3rem; margin-top: .6rem; font-size: .88rem; color: var(--mut); } .pj-nav a:hover { color: var(--acc); }
.pj-view { min-width: 0; position: sticky; top: calc(var(--hd) + 1.2rem); --vw-ring: #C9A06B; --vw-lens-bg: #fff; }
.pj-bar { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: .8rem; }
.pj-count { display: block; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--acc); }
.pj-title { font-weight: 400; font-size: clamp(1.3rem, 2.2vw, 1.8rem); transition: opacity .25s; }
.pj-tools { display: flex; gap: .4rem; flex-wrap: wrap; }
.tool { font-size: .82rem; padding: .45rem .95rem; border-radius: 99px; background: transparent; border: 1px solid var(--line); cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.tool:hover { border-color: var(--fg); } .tool[aria-pressed="true"] { background: var(--fg); color: var(--ink); border-color: var(--fg); }
.tool-ic { width: 2.1rem; padding: .45rem 0; text-align: center; }
.pj-stage { height: calc(100svh - 14.5rem); min-height: 380px; background: var(--paper); border-radius: 10px; overflow: hidden; position: relative; box-shadow: 0 30px 60px -34px rgba(0, 0, 0, .7); }
.pj-prog { height: 2px; background: var(--line); margin-top: .8rem; } .pj-prog i { display: block; height: 100%; background: var(--acc); width: 0; transition: width .6s var(--ease); }
.pj-hint { margin-top: .7rem; font-size: .8rem; color: var(--mut); }
.pj-hint .t { display: none; }
@media (hover: none) { .pj-hint .d { display: none; } .pj-hint .t { display: inline; } }

/* 3D */
.vz { display: grid; grid-template-columns: 260px 1fr; gap: clamp(1.5rem, 4vw, 4rem); padding-bottom: 6rem; align-items: start; }
.vz-side { position: sticky; top: calc(var(--hd) + 1.2rem); display: grid; gap: 1.2rem; }
.vz-i { display: grid; grid-template-columns: 2rem 1fr; padding: .8rem 0; border-bottom: 1px solid var(--line); opacity: .6; transition: opacity .25s, padding .35s var(--ease); }
.vz-i span { color: var(--acc); font-size: .8rem; letter-spacing: .1em; padding-top: .2rem; } .vz-i:hover, .vz-i.on { opacity: 1; } .vz-i.on { padding-left: .5rem; box-shadow: inset 2px 0 0 var(--acc); }
.vz-side ul { border-top: 1px solid var(--line); }
.vz-note { color: var(--mut); font-size: .9rem; }
.vz-sec { margin-bottom: clamp(3rem, 7vw, 6rem); }
.vz-sec header { display: flex; gap: 1.2rem; align-items: baseline; margin-bottom: 1.2rem; }
.vz-n { color: transparent; -webkit-text-stroke: 1px var(--acc); font-size: 3rem; font-weight: 200; line-height: 1; }
.vz-sec h2 { font-weight: 300; font-size: clamp(1.6rem, 3vw, 2.4rem); } .vz-sec p { color: var(--mut); }
.vgrid { columns: 3 210px; column-gap: .8rem; }
.vt { position: relative; display: block; width: 100%; padding: 0; margin: 0 0 .8rem; border: 0; border-radius: 6px; overflow: hidden; cursor: zoom-in; break-inside: avoid; background: var(--panel); }
.vt img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.vt:hover img { transform: scale(1.06); }
.vt-r { position: absolute; left: 0; bottom: 0; right: 0; padding: 1.6rem .8rem .6rem; font-size: .82rem; background: linear-gradient(to top, rgba(0, 0, 0, .65), transparent); transform: translateY(100%); transition: transform .4s var(--ease); }
.vt:hover .vt-r, .vt:focus-visible .vt-r { transform: none; }

/* страница пакета */
.pkp-hd { padding: calc(var(--hd) + clamp(2rem, 6vw, 4.5rem)) 0 2rem; }
.pkp-hd .wrapb { display: grid; gap: 1rem; }
.pkp-hd h1 { font-weight: 300; font-size: clamp(2.4rem, 6vw, 5rem); line-height: 1.02; }
.pkp-meta { display: grid; grid-template-columns: auto auto 1fr; gap: clamp(1.2rem, 4vw, 4rem); margin-top: 1rem; padding-block: 1.3rem; border-block: 1px solid var(--line); }
.pkp-meta small { display: block; font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--acc); }
.pkp-meta b { font-weight: 300; font-size: 1.8rem; font-variant-numeric: tabular-nums; } .pkp-meta span { color: var(--mut); max-width: 46ch; display: block; }
.pkp-body { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 6vw, 6rem); padding-block: 2.5rem 3rem; }
.pkp-body h2 { font-weight: 400; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--acc); margin-bottom: 1rem; }
.inc li { position: relative; padding: .8rem 0 .8rem 2.2rem; border-bottom: 1px solid var(--line); font-size: 1.1rem; }
.inc li::before { content: ""; position: absolute; left: 0; top: 1.5rem; width: 1.2rem; height: 1px; background: var(--acc); }
.inc li::after { content: ""; position: absolute; left: 0; top: 1.5rem; width: 1px; height: .5rem; margin-top: -.25rem; background: var(--acc); }
.exs { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.ex { position: relative; display: block; padding: 0; border: 0; border-radius: 6px; overflow: hidden; background: #fff; cursor: zoom-in; aspect-ratio: 4/3; }
.ex img { width: 100%; height: 100%; object-fit: contain; transition: transform .7s var(--ease); } .ex-3d img { object-fit: cover; }
.ex:hover img { transform: scale(1.05); }
.ex span { position: absolute; left: 0; right: 0; bottom: 0; padding: .9rem .7rem .5rem; font-size: .8rem; color: #fff; background: linear-gradient(to top, rgba(0, 0, 0, .65), transparent); }
.pkp-note { margin-top: .8rem; color: var(--mut); font-size: .86rem; }
.pkp-act { display: flex; gap: .7rem; flex-wrap: wrap; padding-bottom: 2.5rem; }
.pkp-nav { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.5rem 5rem; border-top: 1px solid var(--line); color: var(--mut); } .pkp-nav a:hover { color: var(--acc); }

/* контакты */
.cont { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); padding-bottom: 6rem; align-items: start; }
.cont-faq h2 { font-weight: 400; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--acc); margin-bottom: 1rem; }
.fq { border-top: 1px solid var(--line); } .fq:last-child { border-bottom: 1px solid var(--line); }
.fq summary { cursor: pointer; list-style: none; padding: 1.1rem 2.6rem 1.1rem 0; font-size: 1.08rem; font-weight: 400; position: relative; }
.fq summary::-webkit-details-marker { display: none; }
.fq summary::after { content: "+"; position: absolute; right: .3rem; top: 50%; translate: 0 -50%; font-size: 1.5rem; font-weight: 200; transition: transform .35s var(--ease); color: var(--acc); }
.fq[open] summary::after { transform: rotate(45deg); }
.fq p { padding: 0 2.6rem 1.2rem 0; color: var(--mut); max-width: 62ch; }
.form { display: grid; gap: 1.1rem; }
.form label { display: grid; gap: .3rem; font-size: .82rem; letter-spacing: .06em; color: var(--mut); }
.form input, .form textarea { font: inherit; font-size: 1.05rem; color: #fff; background: transparent; border: 0; border-bottom: 1px solid rgba(255, 255, 255, .3); padding: .55rem 0; border-radius: 0; resize: vertical; }
.form input:focus, .form textarea:focus { outline: 0; border-color: var(--acc); }
.form .btn { justify-self: start; border: 0; }
.form-note { min-height: 1.4em; font-size: .88rem; color: var(--acc); }

.ft { background: #14181A; color: var(--mut); padding: 3rem var(--g) 2rem; border-top: 1px solid var(--line); font-size: .9rem; }
.ft-in { width: min(1360px, 100%); margin: auto; display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; }
.ft-logo { height: 24px; width: auto; color: var(--fg); margin-bottom: .8rem; }
.ft nav { display: flex; gap: 1.4rem; flex-wrap: wrap; } .ft nav a:hover { color: var(--acc); }
.ft-c { grid-column: 1 / -1; font-size: .8rem; opacity: .7; }

@media (max-width: 1100px) {
  .pcols { flex-wrap: wrap; } .pcol { flex: 1 1 calc(50% - .5rem); min-height: 22rem; } .pcols:hover .pcol:not(:hover), .pcol:hover { flex: 1 1 calc(50% - .5rem); }
  .b-steps { grid-template-columns: 1fr 1fr; }
  .pkp-body, .cont { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .hd-nav, .hd-cta { display: none; } .burger { display: block; }
  .hero-cols, .chap-in { grid-template-columns: 1fr; }
  .chap { position: relative; min-height: 0; padding-block: calc(var(--hd) + 1rem) 3rem; } .chap-viz { margin-top: -28px; }
  .chap-in .chap-pics, .chap-pics-viz { order: 2; max-width: 560px; }
  .chap-viz .chap-pics-viz { order: 2; }
  .cue { display: none; }
  .pj { grid-template-columns: minmax(0, 1fr); padding-top: calc(var(--hd) + .8rem); }
  .pj-side, .pj-view { position: static; max-height: none; }
  .pj-view { order: -1; } .pj-side { order: 0; }
  .pj-stage { height: auto; aspect-ratio: 1.38; min-height: 0; }
  .vz { grid-template-columns: 1fr; } .vz-side { position: static; } .vz-side ul { display: none; }
  .ft-in { grid-template-columns: 1fr; }
  .prow { grid-template-columns: 2.6rem 1fr 2rem; } .prow-m { display: none; }
  .pkp-meta { grid-template-columns: 1fr 1fr; } .pkp-meta > div:last-child { grid-column: 1 / -1; }
  .tool[data-t="plus"], .tool[data-t="minus"] { display: none; }
}
@media (max-width: 640px) { .pcol, .pcols:hover .pcol:not(:hover), .pcol:hover { flex: 1 1 100%; min-height: 19rem; } .b-steps { grid-template-columns: 1fr; } .vgrid { columns: 2 140px; } }
@media (hover: none) { .tool[data-t="lens"] { display: none; } .pcols:hover .pcol:not(:hover) { flex: 1; } }
@media (prefers-reduced-motion: reduce) {
  [data-rv], .js .hero-eb, .js .hero-cols { opacity: 1 !important; transform: none !important; transition: none !important; }
  .js .hero-logo { clip-path: none; } .marq-t, .cue svg circle { animation: none; } .pt { display: none; }
  .chap { position: relative; }
}