/* Акоблок — демо-сайт. Своя вёрстка, без bootstrap и jQuery. */

:root {
  --coal: #0e1013;
  --coal-2: #15181d;
  --concrete: #1e232a;
  --line: rgba(255, 255, 255, .10);
  --line-2: rgba(14, 16, 19, .12);
  --paper: #f5f3ef;
  --paper-2: #ffffff;
  --ink: #14171b;
  --ink-2: #4a525c;
  --steel: #97a1ac;
  --orange: #ff7a1a;
  --orange-2: #e96506;
  --amber: #ffb020;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --shadow: 0 30px 70px -34px rgba(0, 0, 0, .55);
  --r: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--coal);
  color: var(--ink);
  font: 400 17px/1.6 "Manrope", system-ui, -apple-system, Segoe UI, sans-serif;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4 { font-family: Oswald, Impact, "Arial Narrow", sans-serif; font-weight: 600; line-height: 1.06; margin: 0; letter-spacing: .005em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd, dt { margin: 0; }
table { border-collapse: collapse; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: min(1280px, calc(100% - 40px)); margin-inline: auto; }

::selection { background: var(--orange); color: #fff; }

/* ---------- loader ---------- */
.loader {
  position: fixed; inset: 0; z-index: 200; display: grid; place-content: center; gap: 18px;
  background: var(--coal); transition: opacity .7s var(--ease), visibility .7s;
}
.loader-mark { font: 700 30px/1 Oswald, sans-serif; letter-spacing: .22em; color: #fff; }
.loader-mark span { color: var(--orange); }
.loader-bar { width: 180px; height: 2px; background: rgba(255, 255, 255, .14); overflow: hidden; }
.loader-bar i { display: block; height: 100%; width: 40%; background: var(--orange); animation: load 1s var(--ease) infinite; }
@keyframes load { 0% { transform: translateX(-110%); } 100% { transform: translateX(320%); } }
body.is-ready .loader { opacity: 0; visibility: hidden; }

.grain {
  position: fixed; inset: -50%; z-index: 1; pointer-events: none; opacity: .05;
  background-image: radial-gradient(rgba(255, 255, 255, .7) 1px, transparent 1px);
  background-size: 3px 3px; mix-blend-mode: overlay;
}

/* ---------- кнопки ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; border-radius: 10px; overflow: hidden;
  font: 600 14px/1 Manrope, sans-serif; letter-spacing: .04em; text-transform: uppercase;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, color .3s, border-color .3s;
}
.btn i { font-style: normal; transition: transform .35s var(--ease); }
.btn:hover i { transform: translateX(5px); }
.btn:active { transform: translateY(1px) scale(.99); }
.btn-orange { background: linear-gradient(180deg, var(--orange), var(--orange-2)); color: #fff; box-shadow: 0 16px 34px -18px rgba(255, 122, 26, .85); }
.btn-orange:hover { transform: translateY(-2px); box-shadow: 0 22px 44px -18px rgba(255, 122, 26, .95); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .34); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); border-color: #fff; transform: translateY(-2px); }
.btn-line { border: 1px solid rgba(20, 23, 27, .22); color: var(--ink); }
.btn-line:hover { border-color: var(--orange); color: var(--orange-2); transform: translateY(-2px); }
.btn-line-l { border-color: rgba(255, 255, 255, .34); color: #fff; }
.btn-line-l:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, .1); }
.btn-white { background: #fff; color: var(--ink); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -22px rgba(0, 0, 0, .7); }
.btn-sm { padding: 11px 16px; font-size: 12.5px; border-radius: 9px; }
.btn-full { width: 100%; }

/* ---------- топбар ---------- */
.topbar { background: var(--coal-2); color: var(--steel); border-bottom: 1px solid var(--line); }
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 46px; }
.topbar-addr { font-size: 12.5px; letter-spacing: .02em; }
.topbar-addr .dot { color: var(--orange); margin: 0 6px; }
.topbar-social { display: flex; gap: 8px; }
.topbar-social a { width: 30px; height: 30px; display: grid; place-content: center; border-radius: 8px; border: 1px solid var(--line); color: var(--steel); transition: color .3s, border-color .3s, background .3s, transform .3s; }
.topbar-social a svg { width: 15px; height: 15px; display: block; fill: currentColor; }
.topbar-social a:hover { color: var(--orange); border-color: rgba(255, 122, 26, .6); background: rgba(255, 122, 26, .1); transform: translateY(-2px); }

/* ---------- нав ---------- */
.nav { position: sticky; top: 0; z-index: 90; background: rgba(14, 16, 19, .92); backdrop-filter: blur(14px) saturate(140%); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 28px; min-height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; grid-template-columns: repeat(3, 5px); gap: 3px; }
.brand-mark i { width: 5px; height: 22px; background: var(--steel); border-radius: 1px; transition: background .4s var(--ease), transform .4s var(--ease); }
.brand-mark i:nth-child(2) { background: var(--orange); height: 22px; }
.brand:hover .brand-mark i:nth-child(1) { background: var(--amber); transform: translateY(-3px); }
.brand:hover .brand-mark i:nth-child(3) { background: var(--amber); transform: translateY(3px); }
.brand-txt b { display: block; font: 700 21px/1 Oswald, sans-serif; letter-spacing: .1em; color: #fff; }
.brand-txt b span { color: var(--orange); }
.brand-txt small { display: block; font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-top: 3px; }
.menu { display: flex; gap: 2px; margin-left: auto; }
.menu a { position: relative; padding: 10px 13px; font-size: 13.5px; font-weight: 600; color: rgba(255, 255, 255, .72); border-radius: 8px; transition: color .3s, background .3s; }
.menu a::after { content: ""; position: absolute; left: 13px; right: 13px; bottom: 5px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.menu a:hover, .menu a.on { color: #fff; }
.menu a:hover::after, .menu a.on::after { transform: scaleX(1); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-phone { display: flex; flex-direction: column; align-items: flex-end; color: #fff; font: 600 17px/1.1 Oswald, sans-serif; letter-spacing: .02em; transition: color .3s; }
.nav-phone small { font: 500 10.5px/1 Manrope, sans-serif; letter-spacing: .06em; text-transform: uppercase; color: var(--steel); margin-top: 4px; }
.nav-phone:hover { color: var(--orange); }
.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; place-content: center; gap: 4px; }
.burger i { display: block; width: 18px; height: 2px; background: #fff; transition: transform .35s var(--ease), opacity .25s; }
.burger.on i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.on i:nth-child(2) { opacity: 0; }
.burger.on i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.mob-panel { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 0 20px; background: #0e1013; border-bottom: 0; gap: 2px; max-height: 0; overflow: hidden; transition: max-height .45s var(--ease), padding .45s var(--ease); }
.mob-panel a { padding: 12px 4px; border-bottom: 1px solid rgba(255, 255, 255, .07); color: rgba(255, 255, 255, .84); font: 600 15px/1 Manrope, sans-serif; }
.mob-panel .mob-call { margin-top: 12px; border: 0; text-align: center; color: var(--amber); font: 600 22px/1 Oswald, sans-serif; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; min-height: calc(100svh - 120px); display: flex; align-items: flex-end; padding: 56px 0 clamp(104px, 15vh, 132px); isolation: isolate; color: #fff; }
.hero-bg { position: absolute; inset: 0; z-index: -3; overflow: hidden; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; animation: kb 34s var(--ease) infinite alternate; }
@keyframes kb { from { transform: scale(1.02) translate3d(0, 0, 0); } to { transform: scale(1.07) translate3d(-.9%, -.8%, 0); } }
.hero-veil { position: absolute; inset: 0; z-index: -1; background:
  linear-gradient(180deg, rgba(10, 12, 14, .82) 0%, rgba(10, 12, 14, .5) 34%, rgba(10, 12, 14, .92) 100%),
  radial-gradient(70% 78% at 88% 74%, rgba(8, 10, 13, .74), transparent 62%),
  radial-gradient(120% 90% at 12% 92%, rgba(255, 122, 26, .22), transparent 62%); }

/* тёплые пятна света в фоне */
.hero-glow { position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.hero-glow i { position: absolute; display: block; border-radius: 50%; filter: blur(72px); }
.hero-glow i:nth-child(1) { left: -14vw; bottom: -20vw; width: 46vw; height: 46vw; background: radial-gradient(circle, rgba(255, 122, 26, .3), transparent 66%); animation: drift 26s var(--ease) infinite alternate; }
.hero-glow i:nth-child(2) { right: -6vw; top: -16vw; width: 40vw; height: 40vw; background: radial-gradient(circle, rgba(255, 176, 32, .17), transparent 66%); animation: drift2 33s var(--ease) infinite alternate; }
@keyframes drift { to { transform: translate3d(8vw, -5vw, 0) scale(1.16); } }
@keyframes drift2 { to { transform: translate3d(-7vw, 6vw, 0) scale(1.1); } }

/* кладка: стена собирается снизу вверх за ~2 секунды при открытии и остаётся стоять */
.hero-wall { position: absolute; right: -26px; bottom: -6px; z-index: -1; width: min(46vw, 700px); pointer-events: none; }
.hero-wall-in { position: relative; width: 100%; aspect-ratio: 702 / 558; }
/* каждый блок встаёт своим чередом: снизу вверх, курс за курсом; --f = во сколько он виден */
.hero-wall .bl { position: absolute; width: 15.67%; aspect-ratio: 110 / 56; border: 1.4px solid rgba(255, 255, 255, calc(.46 * var(--f, 1))); border-radius: 4px; background: rgba(245, 243, 239, calc(.1 * var(--f, 1))); animation: block-in .44s var(--ease) both; animation-delay: calc(var(--b) * .03s); }
.hero-wall .bl s { position: absolute; display: block; top: 37.5%; height: 25%; width: 16.36%; border: 1px solid rgba(255, 255, 255, calc(.24 * var(--f, 1))); border-radius: 4px; background: rgba(8, 10, 13, calc(.46 * var(--f, 1))); }
.hero-wall .bl s:nth-child(1) { left: 20%; }
.hero-wall .bl s:nth-child(2) { left: 43.6%; }
.hero-wall .bl s:nth-child(3) { left: 67.2%; }
.hero-wall .bl:nth-child(n+50):nth-child(-n+55) { border-color: rgba(255, 200, 92, calc(.72 * var(--f, 1))); background: rgba(255, 176, 32, calc(.16 * var(--f, 1))); }
.hero-wall .bl:nth-child(n+56) { border-color: rgba(255, 158, 80, calc(.85 * var(--f, 1))); background: rgba(255, 122, 26, calc(.2 * var(--f, 1))); }
@keyframes block-in {
  0% { opacity: 0; transform: translateY(-34px) scale(.84); }
  55% { opacity: 1; }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
/* причальный шнур каменщика: идёт курс за курсом вверх, потом гаснет */
.hero-wall-line { position: absolute; inset: 0; pointer-events: none; opacity: 0; background:
  linear-gradient(90deg, transparent, rgba(255, 122, 26, .5) 30%, rgba(255, 122, 26, .5) 62%, transparent) no-repeat 0 100% / 100% 12px,
  linear-gradient(90deg, transparent, rgba(255, 176, 32, .95) 26%, rgba(255, 122, 26, 1) 62%, transparent) no-repeat 0 100% / 100% 2px;
  animation: wall-line 2.3s linear both; }
@keyframes wall-line {
  0% { opacity: 1; background-position: 0 100%, 0 100%; animation-timing-function: steps(9, end); }
  78% { opacity: 1; background-position: 0 0, 0 0; }
  100% { opacity: 0; background-position: 0 0, 0 0; }
}
.hero-in { position: relative; width: min(1280px, calc(100% - 40px)); }
.hero-badge { display: inline-flex; align-items: center; gap: 9px; padding: 8px 15px 8px 11px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 999px; background: rgba(255, 255, 255, .06); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .86); }
.hero-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 0 rgba(255, 122, 26, .7); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 12px rgba(255, 122, 26, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 122, 26, 0); } }
.hero-title { margin: 20px 0 0; max-width: 15ch; font-size: clamp(38px, 5.2vw, 70px); font-weight: 700; letter-spacing: -.01em; text-transform: uppercase; }
.hero-title em { font-style: normal; color: var(--amber); }
.hero-lead { margin-top: 16px; max-width: 62ch; font-size: clamp(15px, 1.25vw, 18px); color: rgba(255, 255, 255, .8); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; margin-top: 18px; font-size: 14px; color: rgba(255, 255, 255, .62); }
.hero-price b { font: 600 27px/1 Oswald, sans-serif; color: #fff; letter-spacing: .01em; }
.hero-price span { flex: 0 0 100%; max-width: 52ch; font-size: 12.5px; }
.hero-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; margin-top: 32px; border-top: 1px solid rgba(255, 255, 255, .16); }
.hero-facts li { padding: 18px 22px 4px 0; }
.hero-facts b { display: block; font: 600 clamp(26px, 2.9vw, 40px)/1 Oswald, sans-serif; color: #fff; letter-spacing: -.01em; }
.hero-facts span { display: block; margin-top: 8px; font-size: 12.5px; line-height: 1.4; color: rgba(255, 255, 255, .6); }
.hero-scroll { position: absolute; right: 20px; bottom: 30px; width: 46px; height: 76px; border: 1px solid rgba(255, 255, 255, .28); border-radius: 24px; display: grid; place-content: center; }
.hero-scroll i { width: 3px; height: 16px; border-radius: 3px; background: var(--orange); animation: wheel 2s var(--ease) infinite; }
@keyframes wheel { 0% { transform: translateY(-8px); opacity: 0; } 40% { opacity: 1; } 100% { transform: translateY(12px); opacity: 0; } }

/* ---------- бегущая строка ---------- */
.marquee { position: relative; z-index: 1; overflow: hidden; padding: 18px 0; background: var(--coal-2); border-block: 1px solid var(--line); }
.marquee-track { display: flex; gap: 22px; width: max-content; animation: slide 42s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font: 500 13px/1 Manrope, sans-serif; letter-spacing: .16em; text-transform: uppercase; color: rgba(255, 255, 255, .55); white-space: nowrap; }
.marquee-track span:nth-child(4n+1) { color: var(--amber); }
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- секции ---------- */
.sec { padding: clamp(64px, 8vw, 118px) 0; position: relative; }
.sec-light { background: var(--paper); color: var(--ink); }
.sec-dark { background: var(--coal); color: #fff; }
.sec-head { max-width: 76ch; margin-bottom: clamp(34px, 4vw, 56px); }
.sec-dark .sec-lead, .sec-dark .eyebrow { color: var(--steel); }
.eyebrow { font: 600 12px/1 Manrope, sans-serif; letter-spacing: .22em; text-transform: uppercase; color: var(--orange); margin-bottom: 16px; }
.sec-title { font-size: clamp(28px, 4.1vw, 54px); font-weight: 600; text-transform: uppercase; letter-spacing: -.005em; }
.sec-title em { font-style: normal; color: var(--orange); }
.sec-light .sec-title em { color: var(--orange-2); }
.sec-lead { margin-top: 18px; font-size: 16.5px; line-height: 1.62; color: var(--ink-2); max-width: 68ch; }
.sec-dark .sec-lead { color: rgba(255, 255, 255, .74); }
.sub-title { font-size: clamp(20px, 2.4vw, 30px); text-transform: uppercase; }
.grid-foot { margin-top: 26px; font-size: 13.5px; line-height: 1.55; color: var(--ink-2); max-width: 92ch; }
.sec-dark .grid-foot { color: var(--steel); }
.grid-foot a { color: var(--orange-2); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- карточки продукции ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: shot; }
.card { position: relative; display: flex; flex-direction: column; background: var(--paper-2); border: 1px solid var(--line-2); border-radius: var(--r); overflow: hidden; transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .4s; }
.card::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 3px; background: linear-gradient(90deg, var(--orange), var(--amber)); transition: width .7s var(--ease); }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(255, 122, 26, .42); }
.card:hover::after { width: 100%; }
.card-media { position: relative; aspect-ratio: 830 / 540; overflow: hidden; background: linear-gradient(150deg, #efece7, #d8d3ca); counter-increment: shot; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18); }
.card-media img { position: relative; z-index: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 52%; transform: scale(1.22); filter: saturate(1.24) brightness(1.15) contrast(1.02) sepia(.11); transition: transform 1.2s var(--ease), filter .6s; }
/* кадр светлее и теплее: затемнение только под плашку и под низ карточки */
.card-media::before { content: ""; position: absolute; inset: 0; z-index: 1; background:
  linear-gradient(180deg, rgba(20, 23, 27, .2) 0%, rgba(20, 23, 27, 0) 24%, rgba(20, 23, 27, 0) 66%, rgba(20, 23, 27, .3) 100%),
  linear-gradient(96deg, rgba(255, 122, 26, .13), rgba(255, 176, 32, .06) 46%, transparent 74%); }
.card-media::after { content: "0" counter(shot); position: absolute; z-index: 2; top: 9px; right: 14px; font: 700 34px/1 Oswald, sans-serif; color: rgba(255, 255, 255, .62); text-shadow: 0 1px 12px rgba(0, 0, 0, .5); transition: color .5s, transform .6s var(--ease); }
.card:hover .card-media img { transform: scale(1.3); filter: saturate(1.32) contrast(1.04) brightness(1.2) sepia(.09); }
.card:hover .card-media::after { color: var(--amber); transform: translateY(-3px); }
.tag { position: absolute; z-index: 3; top: 12px; left: 12px; padding: 6px 11px; border-radius: 999px; background: rgba(20, 23, 27, .82); backdrop-filter: blur(6px); color: #fff; font: 600 11px/1 Manrope, sans-serif; letter-spacing: .08em; text-transform: uppercase; }
.tag-hit { background: linear-gradient(180deg, var(--orange), var(--orange-2)); }
.card-body { display: flex; flex-direction: column; flex: 1; padding: 22px 22px 20px; }
.card-body h3 { font-size: 24px; text-transform: uppercase; }
.card-note { margin-top: 10px; font-size: 14px; line-height: 1.5; color: var(--ink-2); }
.spec-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 16px; background: var(--line-2); border-radius: 10px; overflow: hidden; }
.spec-mini > div { background: #faf9f7; padding: 9px 11px; }
.spec-mini dt { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--steel); }
.spec-mini dd { margin-top: 3px; font: 600 15px/1.2 Oswald, sans-serif; color: var(--ink); }
.card-use { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line-2); font-size: 12.5px; line-height: 1.45; color: var(--ink-2); }
.card-foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 16px; }
.card-price { font: 600 26px/1 Oswald, sans-serif; color: var(--orange-2); }
.card-price small { display: block; font: 500 10.5px/1 Manrope, sans-serif; letter-spacing: .06em; text-transform: uppercase; color: var(--steel); margin-top: 4px; }
.card-btns { display: flex; gap: 7px; flex-wrap: wrap; justify-content: flex-end; }

/* ---------- таблица ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--coal-2); }
.cmp { width: 100%; min-width: 860px; font-size: 14.5px; }
.cmp th, .cmp td { padding: 15px 16px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.cmp thead th { font: 600 11.5px/1.3 Manrope, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--steel); background: rgba(255, 255, 255, .03); }
.cmp tbody th { font-family: Oswald, sans-serif; font-size: 17px; font-weight: 600; text-transform: uppercase; color: #fff; }
.cmp tbody tr { transition: background .3s; }
.cmp tbody tr:hover { background: rgba(255, 122, 26, .09); }
.cmp tbody tr:hover .hit { color: var(--amber); }
.cmp td:last-child, .cmp th:last-child { white-space: normal; min-width: 240px; color: rgba(255, 255, 255, .72); }
.spec-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 30px; }
.spec-notes > div { padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--r); background: var(--coal-2); }
.spec-notes b { display: block; font: 600 13px/1 Manrope, sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--orange); margin-bottom: 10px; }
.spec-notes p { font-size: 14px; line-height: 1.55; color: rgba(255, 255, 255, .74); }

/* ---------- калькулятор ---------- */
.calc-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: clamp(28px, 4vw, 60px); align-items: start; }
.ticks { margin-top: 24px; display: grid; gap: 11px; }
.ticks li { position: relative; padding-left: 30px; font-size: 15px; line-height: 1.5; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 5px; background: rgba(255, 122, 26, .14); border: 1px solid rgba(255, 122, 26, .5); }
.ticks li::after { content: ""; position: absolute; left: 4px; top: 9px; width: 9px; height: 5px; border-left: 2px solid var(--orange-2); border-bottom: 2px solid var(--orange-2); transform: rotate(-45deg); }
.calc-aside { margin-top: 30px; padding: 22px; border-radius: var(--r); background: var(--coal); color: #fff; }
.calc-aside-t { font: 600 19px/1.2 Oswald, sans-serif; text-transform: uppercase; }
.calc-aside p { margin-top: 10px; font-size: 14px; line-height: 1.55; color: rgba(255, 255, 255, .72); }
.calc-aside .btn { margin-top: 16px; }

.calc-box { padding: clamp(20px, 2.6vw, 34px); border-radius: 18px; background: var(--paper-2); border: 1px solid var(--line-2); box-shadow: 0 34px 70px -40px rgba(20, 23, 27, .3); }
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fld { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }
.fld span { font: 600 11px/1.3 Manrope, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.fld select, .fld input, .fld textarea {
  width: 100%; padding: 13px 14px; border: 1px solid rgba(20, 23, 27, .18); border-radius: 10px;
  background: #fbfaf8; color: var(--ink); font: 500 15.5px/1.3 Manrope, sans-serif;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.fld select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%); background-position: calc(100% - 19px) 21px, calc(100% - 14px) 21px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 38px; }
.fld textarea { resize: vertical; min-height: 76px; }
.fld select:focus, .fld input:focus, .fld textarea:focus { outline: none; border-color: var(--orange); background: #fff; box-shadow: 0 0 0 4px rgba(255, 122, 26, .14); }
.fld-wide { grid-column: 1 / -1; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 2px 0 18px; }
.chips button { padding: 8px 14px; border: 1px solid rgba(20, 23, 27, .16); border-radius: 999px; font: 600 13px/1 Manrope, sans-serif; color: var(--ink-2); transition: all .3s var(--ease); }
.chips button:hover, .chips button.on { border-color: var(--orange); background: rgba(255, 122, 26, .1); color: var(--orange-2); transform: translateY(-2px); }

.calc-out { margin: 4px 0 0; padding: 20px; border-radius: 14px; background: var(--coal); color: #fff; }
.out-main { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.out-main b { font: 600 clamp(30px, 3.4vw, 44px)/1 Oswald, sans-serif; letter-spacing: -.01em; color: var(--amber); }
.out-main span { font-size: 13px; color: rgba(255, 255, 255, .6); }
.out-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 18px; background: var(--line); border-radius: 10px; overflow: hidden; }
.out-grid > div { background: var(--coal-2); padding: 13px 12px; }
.out-grid i { display: block; font: 600 21px/1 Oswald, sans-serif; font-style: normal; }
.out-grid small { display: block; margin-top: 5px; font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: var(--steel); }
.out-hint { margin-top: 14px; padding-left: 12px; border-left: 3px solid var(--orange); font-size: 13px; line-height: 1.5; color: rgba(255, 255, 255, .74); }
.calc-sep { display: flex; align-items: center; gap: 14px; margin: 24px 0 18px; color: var(--steel); font: 600 11px/1 Manrope, sans-serif; letter-spacing: .18em; text-transform: uppercase; }
.calc-sep::before, .calc-sep::after { content: ""; height: 1px; flex: 1; background: var(--line-2); }
.chk { display: flex; align-items: flex-start; gap: 10px; margin: 4px 0 16px; font-size: 12.5px; line-height: 1.5; color: var(--ink-2); cursor: pointer; }
.chk input { width: 17px; height: 17px; margin-top: 1px; accent-color: var(--orange); flex: none; }
.form-foot { margin-top: 14px; font-size: 12.5px; line-height: 1.55; color: var(--ink-2); }
.form-foot b { color: var(--orange-2); }

.done { padding: 24px; border-radius: 14px; background: var(--coal); color: #fff; }
.done-t { font: 600 22px/1.1 Oswald, sans-serif; text-transform: uppercase; color: var(--amber); }
.done-body { margin: 16px 0 0; padding: 16px; border-radius: 10px; background: rgba(255, 255, 255, .05); border: 1px solid var(--line); font: 500 13.5px/1.65 ui-monospace, Consolas, monospace; white-space: pre-wrap; word-break: break-word; }
.done-note { margin-top: 14px; font-size: 13px; line-height: 1.55; color: rgba(255, 255, 255, .68); }
.done-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.link-again { margin-top: 14px; font-size: 13px; color: var(--steel); text-decoration: underline; text-underline-offset: 3px; }
.link-again:hover { color: var(--amber); }

/* ---------- доставка ---------- */
.del-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(22px, 3vw, 44px); }
.zones { display: grid; gap: 10px; }
.zones li { display: grid; gap: 3px; padding: 17px 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--coal-2); transition: border-color .35s, transform .35s var(--ease), background .35s; }
.zones li:hover { border-color: rgba(255, 122, 26, .55); transform: translateX(5px); background: #191d23; }
.zones b { font: 600 19px/1.2 Oswald, sans-serif; text-transform: uppercase; }
.zones span { font-size: 13px; color: var(--steel); }
.del-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.df { padding: 20px; border-radius: 12px; background: linear-gradient(180deg, rgba(255, 122, 26, .12), rgba(255, 122, 26, .03)); border: 1px solid rgba(255, 122, 26, .28); }
.df b { display: block; font: 600 27px/1 Oswald, sans-serif; color: var(--amber); }
.df p { margin-top: 9px; font-size: 13px; line-height: 1.5; color: rgba(255, 255, 255, .74); }
.map { margin-top: 26px; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); }
.map-facade { position: relative; display: grid; place-content: center; gap: 10px; width: 100%; min-height: 340px; padding: 34px 20px; text-align: center; background:
  radial-gradient(90% 120% at 50% 0%, rgba(255, 122, 26, .12), transparent 60%), var(--coal-2); transition: background .4s; }
.map-facade:hover { background: radial-gradient(90% 120% at 50% 0%, rgba(255, 122, 26, .2), transparent 60%), #191d23; }
.map-facade b { font: 600 22px/1.2 Oswald, sans-serif; text-transform: uppercase; }
.map-facade small { font-size: 12.5px; color: var(--steel); }
.map-pin { display: grid; place-content: center; width: 46px; height: 46px; margin: 0 auto 6px; border-radius: 50% 50% 50% 4px; background: var(--orange); transform: rotate(-45deg); box-shadow: 0 12px 26px -12px rgba(255, 122, 26, .9); }
.map-pin i { width: 13px; height: 13px; border-radius: 50%; background: #fff; }
.map iframe { display: block; width: 100%; height: 520px; border: 0; }

/* ---------- почему завод ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.why { position: relative; padding: 26px 24px 24px; border-radius: var(--r); background: var(--paper-2); border: 1px solid var(--line-2); overflow: hidden; transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.why::after { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: linear-gradient(90deg, var(--orange), var(--amber)); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.why:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.why:hover::after { transform: scaleX(1); }
.why-n { display: block; font: 700 44px/1 Oswald, sans-serif; color: rgba(20, 23, 27, .1); }
.why h3 { margin-top: 6px; font-size: 21px; text-transform: uppercase; }
.why p { margin-top: 11px; font-size: 14.5px; line-height: 1.55; color: var(--ink-2); }

.video-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: clamp(44px, 6vw, 76px); }
.video-head p { font-size: 13.5px; color: var(--ink-2); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 22px; }
.vid { position: relative; display: grid; align-content: end; gap: 4px; aspect-ratio: 16 / 9; padding: 20px; text-align: left; border-radius: var(--r); overflow: hidden; background: linear-gradient(180deg, #2b3138, #171b20); color: #fff; box-shadow: 0 20px 44px -30px rgba(0, 0, 0, .8); transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.vid::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(135deg, rgba(255, 255, 255, .04) 0 2px, transparent 2px 9px); }
.vid:hover { transform: translateY(-5px); }
.vid b { position: relative; font: 600 20px/1.2 Oswald, sans-serif; text-transform: uppercase; }
.vid small { position: relative; font-size: 12px; color: rgba(255, 255, 255, .6); }
.vid-play { position: absolute; top: 18px; right: 18px; width: 46px; height: 46px; display: grid; place-content: center; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .4); font-size: 15px; color: #fff; transition: background .35s, transform .35s var(--ease), border-color .35s; }
.vid:hover .vid-play { background: var(--orange); border-color: var(--orange); transform: scale(1.08); }
.vid.playing { aspect-ratio: auto; padding: 0; background: #000; }
.vid iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; }

.tile { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(22px, 3vw, 44px); align-items: center; margin-top: clamp(44px, 6vw, 76px); padding: clamp(20px, 2.6vw, 34px); border-radius: 20px; background: var(--coal); color: #fff; }
.tile picture img { border-radius: var(--r); }
.tile-txt .sub-title { margin-top: 14px; }
.tile-txt p { margin-top: 14px; font-size: 15px; line-height: 1.6; color: rgba(255, 255, 255, .76); }
.tile-txt .btn { margin-top: 20px; }

/* ---------- faq ---------- */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(26px, 4vw, 60px); align-items: start; }
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 12px; background: var(--coal-2); overflow: hidden; transition: border-color .35s, background .35s; }
.faq details[open] { border-color: rgba(255, 122, 26, .5); background: #191d23; }
.faq summary { position: relative; padding: 19px 52px 19px 22px; cursor: pointer; list-style: none; font: 600 19px/1.3 Oswald, sans-serif; text-transform: uppercase; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 15px; font: 400 26px/1 Manrope, sans-serif; color: var(--orange); transition: transform .35s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 22px 20px; font-size: 14.5px; line-height: 1.62; color: rgba(255, 255, 255, .74); }

/* ---------- cta strip ---------- */
.cta-strip { padding: clamp(46px, 6vw, 76px) 0; background: linear-gradient(120deg, var(--orange-2), var(--orange) 55%, var(--amber)); color: #14100c; }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-title { font-size: clamp(24px, 3.4vw, 42px); text-transform: uppercase; }
.cta-in p { margin-top: 12px; max-width: 52ch; font-size: 15px; line-height: 1.55; color: rgba(20, 16, 12, .78); }
.cta-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-strip .btn-white { color: var(--ink); }

/* ---------- контакты ---------- */
.contacts-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px, 3vw, 44px); align-items: start; }
.contacts-list { display: grid; gap: 2px; border-radius: var(--r); overflow: hidden; }
.ci { padding: 20px 22px; background: var(--paper-2); border: 1px solid var(--line-2); }
.ci b { display: block; font: 600 11px/1 Manrope, sans-serif; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-bottom: 9px; }
.ci a { font: 600 26px/1.1 Oswald, sans-serif; color: var(--ink); transition: color .3s; }
.ci a:hover { color: var(--orange-2); }
.ci-main { display: block; font-size: 15.5px; font-weight: 600; line-height: 1.45; }
.ci span { display: block; margin-top: 6px; font-size: 13px; color: var(--ink-2); }
.ci-links { display: flex; flex-wrap: wrap; gap: 8px; }
.ci-links a { padding: 8px 14px; border: 1px solid rgba(20, 23, 27, .16); border-radius: 999px; font: 600 13px/1 Manrope, sans-serif; color: var(--ink); transition: all .3s var(--ease); }
.ci-links a:hover { border-color: var(--orange); background: rgba(255, 122, 26, .1); color: var(--orange-2); transform: translateY(-2px); }
.contacts-card { border-radius: var(--r); overflow: hidden; background: var(--coal); color: #fff; }
.contacts-card img { aspect-ratio: 830 / 540; object-fit: cover; width: 100%; }
.cc-body { padding: 24px; }
.cc-body h3 { font-size: 24px; text-transform: uppercase; }
.cc-body p { margin: 12px 0 18px; font-size: 14.5px; line-height: 1.55; color: rgba(255, 255, 255, .74); }

/* ---------- футер ---------- */
.footer { padding: clamp(46px, 6vw, 76px) 0 26px; background: var(--coal-2); color: rgba(255, 255, 255, .74); border-top: 1px solid var(--line); }
.footer-in { display: grid; grid-template-columns: 1.3fr .7fr 1fr; gap: clamp(24px, 3vw, 50px); }
.footer-brand p { margin-top: 18px; font-size: 13.5px; line-height: 1.6; max-width: 46ch; color: var(--steel); }
.footer-nav { display: grid; align-content: start; gap: 9px; }
.footer-nav a { font-size: 14px; color: rgba(255, 255, 255, .74); transition: color .3s, transform .3s var(--ease); }
.footer-nav a:hover { color: var(--orange); transform: translateX(3px); }
.footer-cont { display: grid; align-content: start; gap: 14px; }
.footer-phone { font: 600 26px/1 Oswald, sans-serif; color: #fff; transition: color .3s; }
.footer-phone:hover { color: var(--orange); }
.footer-cont p { font-size: 13.5px; line-height: 1.55; color: var(--steel); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: clamp(30px, 4vw, 52px); padding-top: 22px; border-top: 1px solid var(--line); font-size: 12px; color: rgba(255, 255, 255, .45); max-width: min(1280px, calc(100% - 40px)); }

/* ---------- плашка демо ---------- */
.demo-note {
  position: fixed; left: 50%; bottom: clamp(12px, 1.6vh, 16px); z-index: 105;
  display: flex; align-items: center; gap: 14px; max-width: min(800px, calc(100vw - 32px));
  padding: 11px 12px 11px 20px; border: 1px solid rgba(255, 122, 26, .42); border-radius: 999px;
  background: rgba(10, 12, 14, .86); backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 26px 60px -26px rgba(0, 0, 0, .95); color: #fff;
  opacity: 0; transform: translate(-50%, 16px); transition: opacity .7s var(--ease) .9s, transform .7s var(--ease) .9s;
}
.demo-note b { font: 600 12px/1 Manrope, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--amber); flex: none; }
.demo-note span { font-size: 13px; line-height: 1.4; color: rgba(255, 255, 255, .82); }
.demo-note button { flex: none; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--line); color: var(--steel); font-size: 15px; line-height: 1; transition: all .3s; }
.demo-note button:hover { color: #fff; border-color: var(--orange); background: rgba(255, 122, 26, .16); }
body.is-ready .demo-note { opacity: 1; transform: translate(-50%, 0); }
.demo-note.is-gone { pointer-events: none; }
body.is-ready .demo-note.is-gone { opacity: 0; transform: translate(-50%, 20px); transition-delay: 0s; }

/* ---------- мобильная полоса звонка ---------- */
.mob-call-bar { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95; grid-template-columns: 1.4fr 1fr; gap: 1px; background: var(--line); padding-top: 1px; }
.mob-call-bar a { display: grid; place-content: center; padding: 15px 10px; background: linear-gradient(180deg, var(--orange), var(--orange-2)); color: #fff; font: 600 13px/1 Manrope, sans-serif; letter-spacing: .06em; text-transform: uppercase; }
.mob-call-bar .mcb-2 { background: var(--coal-2); color: #fff; }

/* ---------- модалка характеристик ---------- */
.modal { position: fixed; inset: 0; z-index: 120; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-back { position: absolute; inset: 0; background: rgba(8, 9, 11, .74); backdrop-filter: blur(6px); animation: fade .35s var(--ease); }
@keyframes fade { from { opacity: 0; } }
.modal-box { position: relative; width: min(920px, 100%); max-height: min(86svh, 760px); overflow: auto; display: grid; grid-template-columns: 1fr 1fr; background: var(--paper-2); border-radius: 18px; box-shadow: 0 50px 100px -40px rgba(0, 0, 0, .8); animation: pop .45s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(24px) scale(.97); } }
.modal-x { position: absolute; top: 12px; right: 12px; z-index: 2; width: 38px; height: 38px; border-radius: 50%; background: rgba(20, 23, 27, .7); color: #fff; font-size: 21px; line-height: 1; }
.modal-x:hover { background: var(--orange); }
.modal-media { background: #e7e3dd; }
.modal-media img { width: 100%; height: 100%; object-fit: cover; }
.modal-body { padding: 26px 26px 24px; }
.modal-body h3 { font-size: 27px; text-transform: uppercase; }
.modal-lead { margin-top: 12px; font-size: 14.5px; line-height: 1.6; color: var(--ink-2); }
.modal-specs { display: grid; gap: 1px; margin-top: 18px; background: var(--line-2); border-radius: 10px; overflow: hidden; }
.modal-specs > div { display: flex; justify-content: space-between; gap: 14px; background: #faf9f7; padding: 11px 14px; }
.modal-specs dt { font-size: 13px; color: var(--ink-2); }
.modal-specs dd { font: 600 14.5px/1.3 Oswald, sans-serif; text-align: right; }
.modal-gost { margin-top: 16px; font-size: 12px; line-height: 1.55; color: var(--steel); }
.modal-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-bg img, .marquee-track, .loader-bar i, .hero-badge i, .hero-scroll i,
  .hero-wall, .hero-wall .bl, .hero-wall-line, .hero-glow i { animation: none; }
}

/* ---------- планшеты ---------- */
@media (max-width: 1080px) {
  .menu { display: none; }
  .burger { display: grid; }
  .nav { background: #0e1013; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .mob-panel { display: grid; }
  .mob-panel.on { max-height: 520px; padding: 14px 20px 22px; border-bottom: 1px solid var(--line); }
  .nav-in { justify-content: space-between; }
  .prod-grid, .why-grid, .video-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-grid, .faq-wrap, .contacts-grid, .del-grid, .tile { grid-template-columns: 1fr; }
  .spec-notes { grid-template-columns: 1fr; }
  .hero-facts { grid-template-columns: repeat(2, 1fr); }
  .hero-facts li:nth-child(2n) { padding-left: 22px; border-left: 1px solid rgba(255, 255, 255, .14); }
  .hero-wall { width: 46vw; right: -4vw; opacity: .78; }
  .footer-in { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 28px); }
  .topbar-addr { font-size: 11px; }
  .topbar-in { flex-direction: column; align-items: flex-start; gap: 6px; padding: 9px 0; min-height: 0; }
  .topbar .topbar-social { display: none; }
  .brand-txt small { display: none; }
  .hero { min-height: auto; padding: 44px 0 122px; }
  .hero-title { max-width: none; }
  .hero-facts { grid-template-columns: 1fr 1fr; }
  .hero-facts li { padding: 16px 14px 0 0; }
  .hero-facts li:nth-child(2n) { padding-left: 14px; }
  .hero-scroll { display: none; }
  /* на телефоне стена показана верхними, «свежими» рядами: сдвинута вниз так, что видна только кладка с раствором */
  /* стена на телефоне не помещается над складкой: остаётся фото + плавающие световые пятна */
  .hero-wall { display: none; }
  .card-media::after { display: none; }
  .prod-grid, .why-grid, .video-grid, .out-grid, .del-facts, .calc-row { grid-template-columns: 1fr; }
  .out-grid { grid-template-columns: 1fr 1fr; }
  .card-foot { flex-direction: column; align-items: stretch; }
  .card-btns { justify-content: stretch; }
  .card-btns .btn { flex: 1; }
  .modal-box { grid-template-columns: 1fr; }
  .nav-phone { display: none; }
  .mob-call-bar { display: grid; }
  body { padding-bottom: 84px; }
  .demo-note { left: 0; right: 0; bottom: 45px; display: flex; align-items: center; gap: 9px; padding: 7px 12px; border-radius: 0; border-left: 0; border-right: 0; border-bottom: 0; background: rgba(10, 12, 14, .96); box-shadow: none; transform: none; }
  body.is-ready .demo-note { transform: none; }
  body.is-ready .demo-note.is-gone { transform: none; }
  .demo-note b { font-size: 10px; flex: none; }
  .demo-note span { font-size: 11.5px; line-height: 1.3; }
  .demo-note button { width: 24px; height: 24px; font-size: 14px; }
  .footer-in { grid-template-columns: 1fr; }
}