/* ==========================================================
   PANELPRO — сендвіч-панелі
   Індустріальна естетика: графіт, сталь, помаранчевий RAL 2004
   ========================================================== */

:root {
  --ink: #111316;
  --graphite: #1a1d21;
  --steel: #262a30;
  --steel-2: #343941;
  --line: rgba(255, 255, 255, .1);
  --paper: #eeece6;
  --paper-2: #e3e0d7;
  --text: #16181b;
  --muted: #55595f;
  --signal: #ff6a13;
  --signal-2: #ff8a45;
  --signal-dark: #b8460a;
  --danger: #e5484d;

  --f-display: "Unbounded", "Arial Black", sans-serif;
  --f-body: "Manrope", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  --r: 4px;
  --container: 1240px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

@property --pc { syntax: "<color>"; inherits: true; initial-value: #474a51; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font-family: inherit; }
h1, h2, h3 { font-family: var(--f-display); line-height: 1.05; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
.mono { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
::selection { background: var(--signal); color: var(--ink); }
[hidden] { display: none !important; }

/* ---------- Buttons ---------- */
.btn {
  --bg: transparent; --fg: currentColor; --bd: currentColor;
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: 16px 26px;
  font: 700 .95rem/1 var(--f-body);
  color: var(--fg); background: var(--bg);
  border: 1.5px solid var(--bd); border-radius: var(--r);
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s, color .25s, box-shadow .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }
.btn--primary { --bg: var(--signal); --fg: var(--ink); --bd: var(--signal); box-shadow: 0 6px 0 -2px var(--signal-dark); }
.btn--primary:hover { --bg: var(--signal-2); box-shadow: 0 10px 24px -6px rgba(255, 106, 19, .55); }
.btn--ghost:hover { background: rgba(127,127,127,.14); }
.btn--sm { padding: 11px 16px; font-size: .85rem; }
.btn--lg { padding: 20px 28px; font-size: 1.05rem; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.header { position: fixed; inset: 0 0 auto 0; z-index: 50; color: var(--paper); transition: background .3s, box-shadow .3s; }
.header.is-scrolled { background: rgba(17, 19, 22, .86); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
.header__inner { display: flex; align-items: center; gap: 32px; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo__mark { width: 38px; height: 38px; fill: none; stroke: var(--signal); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.logo__text { font: 900 1.2rem/1 var(--f-display); letter-spacing: .02em; display: flex; flex-direction: column; }
.logo__text small { font: 500 .62rem/1.4 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; opacity: .6; margin-top: 3px; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { white-space: nowrap; text-decoration: none; font-weight: 600; font-size: .92rem; opacity: .8; position: relative; padding: 6px 0; transition: opacity .2s; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav a:hover { opacity: 1; }
.nav a:hover::after { transform: scaleX(1); }
.header__cta { display: flex; align-items: center; gap: 18px; }
.header__phone { font: 600 .9rem var(--f-mono); text-decoration: none; white-space: nowrap; }
.burger { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 10px; right: 10px; height: 2px; background: var(--paper); transition: transform .3s var(--ease); }
.burger span:first-child { top: 17px; } .burger span:last-child { top: 26px; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: radial-gradient(120% 90% at 85% 10%, #2b2f36 0%, var(--ink) 60%);
  color: var(--paper);
  padding: 150px 0 110px;
  overflow: hidden;
  isolation: isolate;
}
.hero__ribs, .order__ribs {
  position: absolute; inset: 0; z-index: -1;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 2px, transparent 2px 22px);
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}
.hero__grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.hero__title { font-size: clamp(2.3rem, 5vw, 4.2rem); font-weight: 900; margin: 0 0 28px; text-transform: uppercase; letter-spacing: -.035em; line-height: 1.04; }
.hero__title em { font-style: normal; color: var(--signal); position: relative; }
.hero__title em::after { content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .08em; background: var(--signal); transform: scaleX(0); transform-origin: left; animation: underline 1s .9s var(--ease) forwards; }
@keyframes underline { to { transform: scaleX(1); } }
.hero__lead { font-size: 1.1rem; max-width: 34em; color: rgba(238,236,230,.78); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero__stats { display: flex; gap: 44px; margin: 56px 0 0; padding-top: 28px; border-top: 1px solid var(--line); }
.hero__stats dt { font: 800 2.4rem/1 var(--f-display); color: var(--paper); display: flex; align-items: baseline; gap: 6px; }
.hero__stats dt small { font: 600 .8rem var(--f-mono); color: var(--signal); text-transform: uppercase; }
.hero__stats dd { margin: 8px 0 0; font-size: .82rem; line-height: 1.35; color: rgba(238,236,230,.6); }

.hero__visual { position: relative; }
.hero__stage {
  position: relative;
  padding: 40px 28px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(160deg, #1c1f24, #121417);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.8);
}
.hero__stage::before { content: ""; position: absolute; inset: 12px; border: 1px dashed rgba(255,255,255,.08); border-radius: 4px; pointer-events: none; }
.panel-svg { width: 100%; height: auto; display: block; overflow: visible; transition: --pc .9s var(--ease); }
#heroPanel { filter: drop-shadow(0 30px 30px rgba(0,0,0,.55)); animation: float 6s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-8px); } }
.pmark circle { fill: var(--signal); stroke: var(--ink); stroke-width: 2; }
.pmark text { font: 700 9px var(--f-mono); fill: var(--ink); text-anchor: middle; }
.pdim path { stroke: rgba(238,236,230,.5); stroke-width: 1.2; fill: none; }
.pdim text { font: 700 13px var(--f-mono); fill: rgba(238,236,230,.85); }
.hero__legend { list-style: none; margin: 22px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: .85rem; color: rgba(238,236,230,.75); }
.hero__legend b { font: 700 .7rem var(--f-mono); color: var(--ink); background: var(--signal); border-radius: 50%; width: 22px; height: 22px; display: inline-grid; place-items: center; margin-right: 6px; }
.hero__ral { position: absolute; top: 22px; left: 26px; display: flex; align-items: center; gap: 8px; color: rgba(238,236,230,.7); }
.hero__ral span:first-child { width: 14px; height: 14px; border-radius: 3px; border: 1px solid rgba(255,255,255,.3); transition: background .9s; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Ticker ---------- */
.ticker { background: var(--signal); color: var(--ink); overflow: hidden; border-block: 2px solid var(--ink); }
.ticker__track { display: flex; gap: 28px; align-items: center; width: max-content; padding: 16px 0; animation: ticker 40s linear infinite; }
.ticker span { font: 800 1.05rem var(--f-display); text-transform: uppercase; white-space: nowrap; }
.ticker i { font-style: normal; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: 120px 0; position: relative; }
.section--dark { background: var(--ink); color: var(--paper); }
.section--steel { background: var(--graphite); color: var(--paper); background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 2px, transparent 2px 22px); }
.section__head { max-width: 760px; margin-bottom: 64px; }
.section__top { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 56px; }
.section__top .section__head { margin: 0; }
.label { color: var(--signal); margin-bottom: 18px; display: flex; align-items: center; gap: 12px; }
.label::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.section:not(.section--dark):not(.section--steel):not(.order) .label { color: var(--signal-dark); }
.section__title { font-size: clamp(2rem, 4.2vw, 3.4rem); font-weight: 800; text-transform: uppercase; letter-spacing: -.03em; }
.section__lead { margin-top: 22px; font-size: 1.08rem; color: var(--muted); max-width: 40em; }
.section--dark .section__lead, .section--steel .section__lead, .order .section__lead { color: rgba(238,236,230,.7); }

/* ---------- Catalog ---------- */
.filter { display: flex; flex-wrap: wrap; gap: 6px; background: var(--paper-2); padding: 5px; border-radius: 100px; flex: none; }
.filter button { border: 0; background: none; cursor: pointer; padding: 10px 16px; border-radius: 100px; font-weight: 700; font-size: .9rem; color: var(--muted); transition: background .2s, color .2s; }
.filter button sup { font: 600 .65rem var(--f-mono); margin-left: 2px; opacity: .7; }
.filter button:hover { color: var(--text); }
.filter button.is-active { background: var(--ink); color: var(--paper); }
.filter button.is-active sup { color: var(--signal); opacity: 1; }
.filter button:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }

.products { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.product { background: #fff; border: 1.5px solid rgba(0,0,0,.1); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; transition: transform .4s var(--ease), box-shadow .4s, border-color .3s; }
.product:hover { transform: translateY(-6px); box-shadow: 0 30px 50px -28px rgba(0,0,0,.45); border-color: var(--ink); }
.product.is-hidden { display: none; }
.product__media { position: relative; background: linear-gradient(160deg, #23272d, #15171a); padding: 44px 26px 26px; aspect-ratio: 16 / 10; display: grid; place-items: center; overflow: hidden; }
.product__media::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 2px, transparent 2px 22px); }
.product__media svg { position: relative; max-height: 100%; transition: transform .8s var(--ease); filter: drop-shadow(0 18px 18px rgba(0,0,0,.5)); }
.product:hover .product__media svg { transform: scale(1.05) translateY(-4px); }
.product__cat { position: absolute; top: 14px; left: 14px; color: var(--signal); font-size: .66rem; border: 1px solid rgba(255,106,19,.4); border-radius: 100px; padding: 4px 10px; }
.product__body { padding: 24px 24px 0; flex: 1; }
.product__name { font-size: 1.12rem; font-weight: 800; text-transform: uppercase; line-height: 1.2; }
.product__desc { margin-top: 10px; font-size: .92rem; color: var(--muted); }
.product__specs { margin: 18px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(0,0,0,.1); border: 1px solid rgba(0,0,0,.1); border-radius: 6px; overflow: hidden; }
.product__specs div { background: #fff; padding: 9px 12px; }
.product__specs dt { font: 500 .66rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.product__specs dd { margin: 2px 0 0; font-weight: 800; font-size: .92rem; }
.product__foot { padding: 20px 24px 24px; display: flex; flex-direction: column; gap: 14px; }
.product__price { font: 700 .78rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; display: inline-flex; align-items: center; gap: 8px; color: var(--signal-dark); }
.product__price::before { content: ""; width: 8px; height: 8px; background: var(--signal); border: 2px solid var(--ink); }
.product__btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.product__btns .btn--ghost { --fg: var(--text); border-color: rgba(0,0,0,.2); }
.product--cta { background: var(--ink); color: var(--paper); border-color: var(--ink); padding: 32px 28px; text-decoration: none; gap: 14px; justify-content: flex-end; min-height: 320px; position: relative; isolation: isolate; }
.product--cta::before { content: ""; position: absolute; width: 360px; height: 360px; right: -120px; top: -120px; border-radius: 50%; background: radial-gradient(circle, rgba(255,106,19,.28), transparent 65%); z-index: -1; }
.product--cta .mono { color: var(--signal); }
.product--cta b { font: 800 1.5rem/1.15 var(--f-display); text-transform: uppercase; }
.product--cta span:not(.mono) { color: rgba(238,236,230,.7); font-size: .95rem; }
.product--cta .product--cta__go { margin-top: 10px; display: inline-flex; align-items: center; gap: 8px; color: var(--signal) !important; font-weight: 800; }

/* ---------- Configurator ---------- */
.cfg { display: grid; grid-template-columns: 1fr 1.1fr; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--ink); }
.cfg__controls { padding: 36px; display: flex; flex-direction: column; gap: 28px; }
.cfg__preview { padding: 36px; background: var(--steel); display: flex; flex-direction: column; gap: 20px; }
.cfg__group { border: 0; padding: 0; margin: 0; min-width: 0; transition: opacity .3s; }
.cfg__group.is-off { opacity: .35; pointer-events: none; }
.cfg__label { display: flex; justify-content: space-between; align-items: baseline; width: 100%; font-weight: 700; font-size: .95rem; margin-bottom: 12px; padding: 0; gap: 12px; }
.cfg__label output { font: 800 1.15rem var(--f-display); color: var(--signal); }
.cfg__row { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; }
.cfg__scale { display: flex; justify-content: space-between; margin-top: 10px; font-size: .72rem; color: rgba(238,236,230,.55); }
.cfg input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }
.cfg__types { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.cfg__types label { cursor: pointer; }
.cfg__types span { display: flex; flex-direction: column; gap: 2px; height: 100%; padding: 12px 10px; border: 1.5px solid var(--line); border-radius: 8px; transition: .2s; }
.cfg__types b { font-size: .86rem; line-height: 1.2; }
.cfg__types small { font-size: .7rem; color: rgba(238,236,230,.55); }
.cfg__types label:hover span { border-color: rgba(255,106,19,.6); }
.cfg__types input:checked + span { background: var(--signal); border-color: var(--signal); color: var(--ink); }
.cfg__types input:checked + span small { color: rgba(17,19,22,.7); }
.cfg__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.cfg__chips label { cursor: pointer; }
.cfg__chips span { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; min-width: 52px; justify-content: center; border: 1.5px solid var(--line); border-radius: 100px; font-weight: 700; font-size: .88rem; color: rgba(238,236,230,.85); transition: .2s; }
.cfg__chips label:hover span { border-color: rgba(255,106,19,.6); }
.cfg__chips input:checked + span { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.cfg input:focus-visible + span { outline: 3px solid var(--signal); outline-offset: 2px; }
.tex { width: 16px; height: 16px; border-radius: 50%; display: inline-block; border: 1px solid rgba(255,255,255,.25); }
.tex--smooth { background: linear-gradient(135deg, #e3e6ea, #8d939b); }
.tex--goak { background: repeating-linear-gradient(100deg, #b8772f 0 3px, #8a521d 3px 4px); }
.tex--walnut { background: repeating-linear-gradient(100deg, #6a4228 0 3px, #43281a 3px 4px); }
.tex--woak { background: repeating-linear-gradient(100deg, #dccaa8 0 3px, #b9a078 3px 4px); }
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); gap: 8px; }
.swatches label { cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.swatches span { width: 100%; aspect-ratio: 1; border-radius: 6px; background: var(--c); border: 1px solid rgba(255,255,255,.15); box-shadow: inset 0 -10px 14px -8px rgba(0,0,0,.35); transition: transform .2s var(--ease), box-shadow .2s; }
.swatches small { font: 500 .62rem var(--f-mono); color: rgba(238,236,230,.55); }
.swatches label:hover span { transform: translateY(-2px); }
.swatches input:checked + span { box-shadow: 0 0 0 2px var(--ink), 0 0 0 4px var(--signal); }
.swatches input:checked ~ small { color: var(--signal); }

input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--signal) var(--p, 30%), var(--steel-2) var(--p, 30%)); outline: none; cursor: pointer; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 28px; height: 28px; border-radius: 50%; background: var(--paper); border: 6px solid var(--signal); box-shadow: 0 4px 12px rgba(0,0,0,.4); transition: transform .2s; }
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--paper); border: 6px solid var(--signal); }
input[type="range"]:focus-visible { outline: 3px solid var(--signal); outline-offset: 8px; }
.stepper { display: grid; grid-template-columns: 44px 1fr 44px; align-items: center; background: var(--steel); border-radius: 8px; padding: 4px; }
.stepper button { height: 42px; border: 0; border-radius: 6px; background: var(--steel-2); color: var(--paper); font-size: 1.4rem; cursor: pointer; transition: background .2s, color .2s; }
.stepper button:hover { background: var(--signal); color: var(--ink); }
.stepper input { text-align: center; font: 800 1.3rem var(--f-display); color: var(--paper); background: transparent; border: 0; width: 100%; min-width: 0; -moz-appearance: textfield; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.stepper input:focus { outline: 2px solid var(--signal); border-radius: 4px; }

.cfg__stage { position: relative; background: #0f1114; border-radius: 8px; padding: 48px 22px 22px; min-height: 280px; display: grid; place-items: center;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 24px 24px; }
.cfg__stage svg { max-height: 300px; filter: drop-shadow(0 24px 22px rgba(0,0,0,.6)); }
.cfg__tag { position: absolute; top: 16px; left: 18px; color: var(--signal); }
.cfg__summary { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border-radius: 8px; overflow: hidden; }
.cfg__summary div { background: var(--steel-2); padding: 14px 16px; }
.cfg__summary div:first-child, .cfg__summary div:last-child { grid-column: 1 / -1; }
.cfg__summary dt { font-size: .74rem; color: rgba(238,236,230,.62); margin-bottom: 4px; }
.cfg__summary dd { margin: 0; font-weight: 800; font-size: 1.02rem; }
.cfg__note { font-size: .78rem; color: rgba(238,236,230,.55); }

/* ---------- Blueprint ---------- */
.scheme { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: start; }
.scheme__drawing { background: #0c1a2b; border: 1px solid rgba(120,170,230,.25); border-radius: var(--r); padding: 20px; color: #9cc3ef; position: sticky; top: 100px; }
.blueprint { width: 100%; height: auto; display: block; }
.bp-part { fill: none; stroke: #9cc3ef; stroke-width: 3; transition: stroke .3s, stroke-width .3s, filter .3s; cursor: pointer; }
path.bp-part[data-part="3"] { stroke-width: 1.5; }
.bp-thin { stroke-width: 1.8; stroke-dasharray: 5 4; }
.bp-dim path { stroke: #9cc3ef; stroke-opacity: .6; fill: none; }
.bp-dim text { font: 500 12px var(--f-mono); fill: #9cc3ef; }
.bp-markers circle { fill: #0c1a2b; stroke: #9cc3ef; stroke-width: 1.5; transition: fill .3s, stroke .3s; }
.bp-markers text { font: 700 12px var(--f-mono); fill: #9cc3ef; text-anchor: middle; transition: fill .3s; }
.bp-markers g { cursor: pointer; }
.blueprint .is-active.bp-part { stroke: var(--signal); stroke-width: 4.5; filter: drop-shadow(0 0 6px rgba(255,106,19,.6)); }
.blueprint path.is-active.bp-part[data-part="3"] { stroke-width: 2.5; fill: rgba(255,106,19,.12); }
.bp-markers g.is-active circle { fill: var(--signal); stroke: var(--signal); }
.bp-markers g.is-active text { fill: var(--ink); }
.scheme__hint { margin-top: 12px; opacity: .75; font-size: .72rem; }
.scheme .section__head { margin-bottom: 40px; }
.parts { list-style: none; margin: 0; padding: 0; counter-reset: p; }
.parts li { counter-increment: p; padding: 20px 0 20px 64px; border-top: 1px solid var(--line); position: relative; cursor: default; transition: padding .3s var(--ease); }
.parts li:last-child { border-bottom: 1px solid var(--line); }
.parts li::before { content: "0" counter(p); position: absolute; left: 0; top: 22px; font: 600 .85rem var(--f-mono); color: rgba(238,236,230,.4); transition: color .3s; }
.parts b { display: block; font: 700 1.05rem var(--f-display); text-transform: uppercase; margin-bottom: 6px; transition: color .3s; }
.parts span { color: rgba(238,236,230,.65); font-size: .95rem; }
.parts li.is-active { padding-left: 76px; }
.parts li.is-active::before, .parts li.is-active b { color: var(--signal); }

/* ---------- Fillers ---------- */
.fillers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2px; background: var(--text); border: 2px solid var(--text); }
.filler { background: var(--paper); padding: 30px 26px; position: relative; transition: background .35s; }
.filler:hover { background: #fff; }
.filler--main { background: var(--ink); color: var(--paper); }
.filler--main:hover { background: var(--ink); }
.filler__badge { position: absolute; top: 18px; right: 18px; background: var(--signal); color: var(--ink); padding: 4px 10px; border-radius: 100px; font-size: .64rem; }
.filler__swatch { height: 64px; border-radius: 4px; margin-bottom: 22px; border: 1px solid rgba(0,0,0,.15); }
.filler__swatch--pir { background: radial-gradient(circle at 30% 40%, rgba(196,143,42,.7) 1px, transparent 1.6px) 0 0 / 9px 9px, radial-gradient(circle at 70% 70%, rgba(255,255,255,.4) 1px, transparent 1.4px) 0 0 / 7px 7px, #e8bf55; }
.filler__swatch--mv { background: repeating-linear-gradient(92deg, #a99067 0 1px, #c9b285 1px 3px, #b49a6e 3px 4px), #c3aa7c; }
.filler__swatch--eps { background: radial-gradient(circle, transparent 3px, rgba(0,0,0,.08) 3.5px, transparent 4.5px) 0 0 / 10px 10px, #f5f3ee; }
.filler__swatch--pur { background: radial-gradient(circle at 30% 40%, rgba(200,160,50,.5) 1px, transparent 1.6px) 0 0 / 8px 8px, #f0d878; }
.filler h3 { font-size: 1.8rem; font-weight: 900; }
.filler__sub { font-size: .88rem; color: var(--muted); margin-top: 4px; }
.filler--main .filler__sub { color: rgba(238,236,230,.6); }
.filler dl { margin: 22px 0; }
.filler dl div { display: flex; justify-content: space-between; gap: 10px; padding: 9px 0; border-top: 1px solid rgba(0,0,0,.12); font-size: .88rem; }
.filler--main dl div { border-color: var(--line); }
.filler dt { color: var(--muted); }
.filler--main dt { color: rgba(238,236,230,.6); }
.filler dd { margin: 0; font-weight: 800; text-align: right; }
.filler dd small { font-weight: 500; opacity: .6; }
.meter { position: relative; height: 26px; border-radius: 100px; background: rgba(0,0,0,.08); overflow: hidden; }
.filler--main .meter { background: var(--steel-2); }
.meter::before { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--v); background: var(--ink); border-radius: 100px; }
.filler--main .meter::before { background: var(--signal); }
.meter span { position: relative; font: 600 .66rem/26px var(--f-mono); text-transform: uppercase; letter-spacing: .08em; padding-left: 12px; color: var(--paper); }
.filler--main .meter span { color: var(--ink); }
.fillers__note { margin-top: 18px; font-size: .85rem; color: var(--muted); }

/* ---------- Uses ---------- */
.uses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.use { padding: 34px 30px 40px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; transition: background .35s; }
.use::after { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--signal); transition: width .5s var(--ease); }
.use:hover { background: var(--graphite); }
.use:hover::after { width: 100%; }
.use__n { color: var(--signal); }
.use h3 { font-size: 1.2rem; text-transform: uppercase; margin: 26px 0 10px; }
.use p { color: rgba(238,236,230,.65); font-size: .95rem; }

/* ---------- Compare ---------- */
.compare { border-top: 2px solid var(--text); }
.compare__row { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid rgba(0,0,0,.14); align-items: center; transition: background .25s; }
.compare__row:not(.compare__row--head):hover { background: var(--paper-2); }
.compare__row--head { color: var(--muted); padding: 16px 0; }
.compare__row--head .mono:nth-child(2) { color: var(--text); font-weight: 600; }
.compare__row > span:first-child { font-weight: 600; }
.compare__row b { font: 700 1.05rem var(--f-display); display: flex; align-items: center; gap: 10px; }
.compare__row b::before { content: ""; width: 10px; height: 10px; background: var(--signal); border: 2px solid var(--ink); flex: none; }
.compare__row em { font-style: normal; color: var(--muted); text-decoration: line-through; text-decoration-color: rgba(0,0,0,.25); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin-top: 64px; }
.fact { border-top: 3px solid var(--ink); padding-top: 18px; }
.fact b { display: block; font: 900 clamp(1.5rem, 2.6vw, 2.2rem)/1.1 var(--f-display); margin-bottom: 8px; }
.fact span:not([data-count]) { color: var(--muted); font-size: .92rem; }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.steps li { padding: 36px 32px 44px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; transition: background .35s; }
.steps li::after { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--signal); transition: width .5s var(--ease); }
.steps li:hover { background: var(--steel); }
.steps li:hover::after { width: 100%; }
.steps__n { display: block; font: 900 3.4rem/1 var(--f-display); color: transparent; -webkit-text-stroke: 1.2px rgba(238,236,230,.35); letter-spacing: -.04em; margin-bottom: 24px; transition: -webkit-text-stroke-color .3s, color .3s; }
.steps li:hover .steps__n { color: var(--signal); -webkit-text-stroke-color: var(--signal); }
.steps h3 { font-size: 1.2rem; text-transform: uppercase; margin-bottom: 10px; }
.steps p { color: rgba(238,236,230,.65); font-size: .95rem; }

/* ---------- FAQ ---------- */
.faq { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; align-items: start; }
.faq .section__head { position: sticky; top: 110px; margin: 0; }
.faq__list details { border-top: 1px solid rgba(0,0,0,.15); }
.faq__list details:last-child { border-bottom: 1px solid rgba(0,0,0,.15); }
.faq__list summary { list-style: none; cursor: pointer; padding: 26px 56px 26px 0; font: 700 1.1rem/1.35 var(--f-display); position: relative; transition: color .2s; }
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after { content: "+"; position: absolute; right: 0; top: 50%; width: 38px; height: 38px; margin-top: -19px; border: 1.5px solid currentColor; border-radius: 50%; display: grid; place-items: center; font: 400 1.4rem/1 var(--f-body); transition: transform .35s var(--ease), background .25s, color .25s; }
.faq__list details[open] summary::after { transform: rotate(45deg); background: var(--ink); color: var(--signal); border-color: var(--ink); }
.faq__list summary:hover { color: var(--signal-dark); }
.faq__list details p { padding: 0 56px 28px 0; color: var(--muted); animation: fade .4s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(-6px); } }

/* ---------- Order ---------- */
.order { background: var(--ink); color: var(--paper); overflow: hidden; isolation: isolate; }
.order::before { content: ""; position: absolute; width: 700px; height: 700px; right: -200px; top: -200px; border-radius: 50%; background: radial-gradient(circle, rgba(255,106,19,.16), transparent 65%); z-index: -1; }
.order__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; align-items: start; }
.contacts { list-style: none; padding: 0; margin: 0; }
.contacts li { display: grid; grid-template-columns: 120px 1fr; padding: 18px 0; border-top: 1px solid var(--line); align-items: center; }
.contacts li:last-child { border-bottom: 1px solid var(--line); }
.contacts .mono { color: rgba(238,236,230,.5); font-size: .7rem; }
.contacts a, .contacts b { font: 600 1.08rem var(--f-body); text-decoration: none; }
.contacts a:hover { color: var(--signal); }
.contacts__msg { display: flex; flex-wrap: wrap; gap: 8px; }
.mbtn { display: inline-flex; align-items: center; gap: 8px; font-size: .9rem !important; font-weight: 700 !important; color: #fff; border-radius: 100px; padding: 9px 14px 9px 10px; transition: transform .2s var(--ease), filter .2s; }
.mbtn svg { width: 20px; height: 20px; flex: none; }
.mbtn:hover { transform: translateY(-2px); filter: brightness(1.08); color: #fff !important; }
.mbtn--telegram { background: #229ed9; }
.mbtn--viber { background: #7360f2; }

.form { background: var(--paper); color: var(--text); padding: 40px; border-radius: var(--r); position: relative; box-shadow: 0 40px 80px -30px rgba(0,0,0,.7), 12px 12px 0 var(--signal); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: block; margin: 0 0 18px; border: 0; padding: 0; min-width: 0; }
.field > span, .field legend { display: block; font: 600 .7rem var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; padding: 0; }
.field input, .field textarea { width: 100%; font: 500 1rem var(--f-body); color: var(--text); background: #fff; border: 1.5px solid rgba(0,0,0,.14); border-radius: var(--r); padding: 14px 16px; transition: border-color .2s, box-shadow .2s; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #a5a7ab; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 4px rgba(255,106,19,.3); }
.field.has-error input { border-color: var(--danger); box-shadow: 0 0 0 4px rgba(229,72,77,.15); }
.field .err { display: block; color: var(--danger); font-size: .8rem; margin-top: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { cursor: pointer; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: 10px 16px; border: 1.5px solid rgba(0,0,0,.16); border-radius: 100px; font-weight: 600; font-size: .9rem; transition: .2s; background: #fff; }
.chips label:hover span { border-color: var(--ink); }
.chips input:checked + span { background: var(--ink); color: var(--signal); border-color: var(--ink); }
.chips input:focus-visible + span { outline: 3px solid var(--signal); outline-offset: 2px; }
.consent { display: flex; gap: 10px; align-items: center; font-size: .85rem; color: var(--muted); margin: 6px 0 24px; cursor: pointer; }
.consent input { width: 18px; height: 18px; accent-color: var(--ink); }
.form__status { margin-top: 14px; font-size: .9rem; text-align: center; min-height: 1.4em; }
.form__status.is-error { color: var(--danger); }
.btn__spinner { width: 18px; height: 18px; border: 2.5px solid var(--ink); border-right-color: transparent; border-radius: 50%; display: none; animation: spin .7s linear infinite; }
.form.is-loading .btn__spinner { display: inline-block; }
.form.is-loading button[type="submit"] { pointer-events: none; opacity: .85; }
.form__config { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; background: #fff1e8; border: 1.5px solid var(--signal); border-radius: var(--r); padding: 12px 14px; margin-bottom: 18px; }
.form__config span { width: 100%; font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--signal-dark); }
.form__config b { flex: 1; font-size: .92rem; }
.form__config a { font-size: .85rem; color: var(--muted); }
.form__success { position: absolute; inset: 0; background: var(--paper); border-radius: var(--r); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px; gap: 12px; }
.form__success svg { width: 84px; height: 84px; fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 10px; }
.form__success circle { stroke: var(--signal); stroke-dasharray: 240; stroke-dashoffset: 240; animation: draw .8s var(--ease) forwards; }
.form__success path { stroke: var(--ink); stroke-dasharray: 60; stroke-dashoffset: 60; animation: draw .5s .6s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.form__success h3 { font-size: 1.8rem; text-transform: uppercase; }
.form__success p { color: var(--muted); margin-bottom: 16px; }
.form__success .btn--ghost { --fg: var(--text); }

/* ---------- Footer ---------- */
.footer { background: #0a0b0d; color: var(--paper); padding: 48px 0 40px; border-top: 1px solid var(--line); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 8px 26px; }
.footer__nav a { text-decoration: none; font-size: .92rem; color: rgba(238,236,230,.7); }
.footer__nav a:hover { color: var(--signal); }
.footer__copy { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); font-size: .85rem; color: rgba(238,236,230,.5); }

/* ---------- Mobile dock ---------- */
.dock { display: none; }

/* ---------- Nav: мова, активний пункт ---------- */
.nav a[aria-current="page"] { opacity: 1; }
.nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav__lang { border: 1.5px solid var(--line); border-radius: 100px; padding: 4px 12px !important; opacity: 1 !important; font-family: var(--f-mono); font-size: .78rem !important; }
.nav__lang::after { display: none; }
.nav__lang:hover { border-color: var(--signal); color: var(--signal); }

/* ---------- Внутрішні сторінки ---------- */
.hero--page { padding: 130px 0 90px; }
.hero__title--page { font-size: clamp(2.1rem, 4.4vw, 3.8rem); margin-top: 22px; }
.hero__title--product { font-size: clamp(1.7rem, 3.2vw, 2.8rem); margin: 0 0 20px; line-height: 1.1; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: .85rem; color: rgba(238,236,230,.55); }
.crumbs a { color: rgba(238,236,230,.8); text-decoration: none; }
.crumbs a:hover { color: var(--signal); }
.phero .crumbs { margin-bottom: 26px; }
.phero__stage { margin: 0; padding: 44px 28px; display: grid; place-items: center; }
.phero__stage img { width: 100%; height: auto; filter: drop-shadow(0 30px 30px rgba(0,0,0,.55)); }
.phero__thumbs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.phero__thumb { display: flex; flex-direction: column; gap: 6px; align-items: center; padding: 12px 10px 10px; border: 1px solid var(--line); border-radius: 8px; background: #16181c; text-decoration: none; color: rgba(238,236,230,.6); transition: border-color .2s; }
.phero__thumb:hover { border-color: var(--signal); color: var(--signal); }
.phero__thumb img { width: 100%; height: auto; }
.phero__thumb .mono { font-size: .62rem; }
.phero__specs { margin: 26px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; max-width: 520px; }
.phero__specs div { background: var(--graphite); padding: 12px 16px; }
.phero__specs dt { font: 500 .66rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: rgba(238,236,230,.55); }
.phero__specs dd { margin: 2px 0 0; font-weight: 800; }
.phero__price { margin-top: 22px; }
.phero .product__price { color: var(--signal); }
.phero .hero__actions { margin-top: 24px; }

.pabout__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: start; }
.pabout .section__title { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 24px; }
.spec-table { margin: 0; border-top: 2px solid var(--text); }
.spec-table div { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,.14); font-size: .95rem; }
.spec-table dt { color: var(--muted); }
.spec-table dd { margin: 0; font-weight: 700; }
.pabout__thick-label { margin: 24px 0 10px; color: var(--muted); font-size: .68rem; }
.pabout__thick { display: flex; flex-wrap: wrap; gap: 6px; }
.pabout__thick span { font: 700 .85rem var(--f-mono); padding: 6px 12px; border: 1.5px solid var(--ink); border-radius: 100px; }

/* ---------- SEO-текст і стаття ---------- */
.seo { background: var(--paper-2); }
.seo__grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 64px; align-items: start; }
.seo .section__head { margin: 0; position: sticky; top: 110px; }
.seo .section__title { font-size: clamp(1.6rem, 2.8vw, 2.5rem); }
[data-collapse].is-collapsed { max-height: 340px; overflow: hidden; -webkit-mask-image: linear-gradient(#000 55%, transparent); mask-image: linear-gradient(#000 55%, transparent); }
.more-btn { margin-top: 18px; background: none; border: 1.5px solid var(--text); border-radius: var(--r); padding: 12px 20px; font: 700 .9rem var(--f-body); color: var(--text); cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: background .2s, border-color .2s; }
.more-btn::after { content: "↓"; transition: transform .2s; }
.more-btn[aria-expanded="true"]::after { transform: rotate(180deg); }
.more-btn:hover { background: var(--signal); border-color: var(--signal); }
.more-btn:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }
.seo__text { font-size: 1.02rem; color: #33363b; }
.seo__text p { margin-bottom: 16px; }
.seo__text h3 { font-size: 1.05rem; text-transform: uppercase; margin: 30px 0 12px; color: var(--text); }
.seo__text ul { margin: 0 0 20px; padding: 0; list-style: none; }
.seo__text li { padding: 10px 0 10px 22px; border-top: 1px solid rgba(0,0,0,.12); position: relative; }
.seo__text li::before { content: ""; position: absolute; left: 0; top: 19px; width: 8px; height: 8px; background: var(--signal); border: 2px solid var(--ink); }
.seo__text a, .article a { font-weight: 700; color: var(--text); text-decoration-color: var(--signal); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.seo__text a:hover, .article a:hover { color: var(--signal-dark); }
.article { max-width: 820px; font-size: 1.05rem; color: #33363b; }
.article h2 { font-size: clamp(1.3rem, 2.4vw, 1.8rem); text-transform: uppercase; margin: 48px 0 16px; color: var(--text); }
.article h2:first-child { margin-top: 0; }
.article h3 { font-size: 1.05rem; text-transform: uppercase; margin: 28px 0 12px; color: var(--text); }
.article p { margin-bottom: 16px; }
.gtable { width: 100%; border-collapse: collapse; margin: 8px 0 18px; font-size: .95rem; }
.gtable th { text-align: left; font: 600 .7rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 10px 12px; border-bottom: 2px solid var(--text); }
.gtable td { padding: 12px; border-bottom: 1px solid rgba(0,0,0,.12); }
.gtable td:not(:first-child) { font-weight: 700; white-space: nowrap; }
.gtable tr:hover td { background: #fff; }

/* ---------- Підвал: колонки ---------- */
.footer__cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--line); }
.footer__cols a { display: block; color: rgba(238,236,230,.75); text-decoration: none; padding: 4px 0; font-size: .92rem; }
.footer__cols a:hover { color: var(--signal); }
.footer__cols p { font-size: .9rem; color: rgba(238,236,230,.7); margin-bottom: 10px; line-height: 1.7; }
.footer__cols p a { display: inline; }
.footer__h { font-weight: 800; color: var(--signal) !important; text-transform: uppercase; font-size: .75rem !important; letter-spacing: .08em; margin-bottom: 8px !important; }

/* ---------- 404 ---------- */
.nf { padding-bottom: 120px; }
.nf__code { font: 900 clamp(5rem, 16vw, 11rem)/1 var(--f-display); color: transparent; -webkit-text-stroke: 2px var(--signal); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
/* Перший екран видно одразу (важливо для LCP): лише зсув, без прозорості */
.hero__copy > *, .hero__visual { animation: rise .9s var(--ease) both; }
.hero__copy > :nth-child(2) { animation-delay: .06s; }
.hero__copy > :nth-child(3) { animation-delay: .12s; }
.hero__copy > :nth-child(4) { animation-delay: .18s; }
.hero__visual { animation-delay: .12s; }
@keyframes rise { from { transform: translateY(24px); } }
.products .reveal:nth-child(3n+2) { transition-delay: .08s; }
.products .reveal:nth-child(3n) { transition-delay: .16s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1480px) {
  .header__phone { display: none; }
}
@media (max-width: 1280px) {
  .nav { gap: 18px; }
  .header__inner { gap: 24px; }
}
@media (max-width: 1080px) {
  .nav.is-open .nav__lang { align-self: flex-start; margin-top: 12px; border-bottom: 1.5px solid var(--line); }
  .pabout__grid, .seo__grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .seo .section__head { position: static; }
  .footer__cols { grid-template-columns: 1fr 1fr; }
  .nav, .header__phone { display: none; }
  .burger { display: block; }
  .header__cta { margin-left: auto; }
  .nav.is-open { display: flex; position: fixed; inset: 76px 0 auto 0; flex-direction: column; gap: 0; background: var(--ink); padding: 12px 24px 24px; border-top: 1px solid var(--line); }
  .nav.is-open a { padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 1.1rem; }
  .hero__grid, .scheme, .order__grid, .faq, .cfg { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .cfg { gap: 0; }
  .hero__visual { max-width: 640px; }
  .scheme__drawing, .faq .section__head { position: static; }
  .section__top { flex-direction: column; align-items: flex-start; }
  .products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fillers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .uses, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  body { font-size: 16px; padding-bottom: 70px; }
  .container { padding: 0 16px; }
  .header__cta .btn { display: none; }
  .section { padding: 80px 0; }
  .section__head { margin-bottom: 40px; }
  .section__title { font-size: clamp(1.5rem, 8vw, 2rem); overflow-wrap: break-word; }
  .hero { padding: 116px 0 72px; }
  .hero__title { font-size: clamp(1.9rem, 9vw, 2.6rem); }
  .hero__stats { gap: 16px; justify-content: space-between; }
  .hero__stats dt { font-size: 1.6rem; }
  .hero__stage { padding: 44px 14px 18px; }
  .filter { width: 100%; justify-content: space-between; }
  .filter button { padding: 9px 11px; font-size: .84rem; }
  .products, .fillers, .uses, .steps, .facts { grid-template-columns: minmax(0, 1fr); }
  .cfg__controls, .cfg__preview { padding: 24px 18px; }
  .cfg__types { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cfg__row { grid-template-columns: minmax(0, 1fr); }
  .cfg__stage { min-height: 0; padding: 44px 12px 14px; }
  .compare__row { grid-template-columns: 1fr 1fr; gap: 8px 16px; }
  .compare__row > span:first-child { grid-column: 1 / -1; }
  .compare__row--head > span:first-child { display: none; }
  .form { padding: 26px 20px; box-shadow: 0 40px 80px -30px rgba(0,0,0,.7), 8px 8px 0 var(--signal); }
  .form__row { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .contacts li { grid-template-columns: 1fr; gap: 6px; }
  .faq__list summary { font-size: 1rem; }
  .spec-table div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__cols { grid-template-columns: minmax(0, 1fr); }
  .hero--page { padding: 110px 0 64px; }
  .phero__specs { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .gtable { font-size: .85rem; }
  .gtable th, .gtable td { padding: 9px 6px; }
  .gtable td:not(:first-child) { white-space: normal; }
  .dock { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; gap: 8px; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: rgba(17,19,22,.94); backdrop-filter: blur(12px); border-top: 1px solid var(--line); transition: transform .3s var(--ease); }
  .dock.is-hidden { transform: translateY(100%); }
  .dock a { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 46px; border-radius: 10px; font-weight: 800; font-size: .92rem; text-decoration: none; }
  .dock__call { background: var(--steel-2); color: var(--paper); }
  .dock__call svg { width: 18px; height: 18px; }
  .dock__lead { background: var(--signal); color: var(--ink); }
}