/* ============================================================
   АНТОНЮК · Ремонт електродвигунів
   Design system — Electric Cobalt / light base + dark accents
   Font: e-Ukraine (local)
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face{font-family:'e-Ukraine';src:url('../../fonts/e-Ukraine-Thin.otf') format('opentype');font-weight:100;font-style:normal;font-display:swap}
@font-face{font-family:'e-Ukraine';src:url('../../fonts/e-Ukraine-UltraLight.otf') format('opentype');font-weight:200;font-style:normal;font-display:swap}
@font-face{font-family:'e-Ukraine';src:url('../../fonts/e-Ukraine-Light.otf') format('opentype');font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:'e-Ukraine';src:url('../../fonts/e-Ukraine-Regular.otf') format('opentype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'e-Ukraine';src:url('../../fonts/e-Ukraine-Medium.otf') format('opentype');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'e-Ukraine';src:url('../../fonts/e-Ukraine-Bold.otf') format('opentype');font-weight:700;font-style:normal;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  /* light base */
  --bg:#F3F5FA;
  --surface:#FFFFFF;
  --surface-2:#F9FAFD;
  --ink:#0B1222;
  --ink-2:#41506B;
  --ink-3:#6B7C97;
  --line:rgba(11,18,34,.10);
  --line-2:rgba(11,18,34,.055);

  /* electric cobalt */
  --accent:#2E5BFF;
  --accent-600:#1B43E0;
  --accent-700:#1536B8;
  --accent-300:#7C97FF;
  --accent-tint:rgba(46,91,255,.10);
  --accent-tint-2:rgba(46,91,255,.06);

  /* dark accent sections */
  --dark:#0A1020;
  --dark-2:#0C1326;
  --dark-3:#101A35;
  --on-dark:#EAEFFF;
  --on-dark-2:rgba(199,212,250,.74);
  --on-dark-3:rgba(150,170,228,.55);
  --dark-line:rgba(120,150,255,.14);
  --dark-grid:rgba(120,150,255,.055);
  --accent-bright:#6E8CFF;
  --accent-soft:#4D6BFF;

  /* shape */
  --r-sm:9px;
  --r-md:13px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow-sm:0 1px 2px rgba(11,18,34,.04),0 4px 14px -8px rgba(11,18,34,.10);
  --shadow-md:0 10px 30px -14px rgba(11,18,34,.22);
  --shadow-lg:0 40px 90px -40px rgba(8,16,40,.55);

  --maxw:1240px;
  --pad:clamp(20px,5vw,40px);
  --nav-h:72px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:'e-Ukraine',system-ui,-apple-system,sans-serif;
  font-weight:400;line-height:1.6;letter-spacing:-0.005em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---------- Type ---------- */
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-0.025em;line-height:1.04}
.display{font-size:clamp(38px,6.4vw,68px)}
.h2{font-size:clamp(28px,4.4vw,44px);line-height:1.07}
.h3{font-size:clamp(19px,2.2vw,22px);font-weight:500;letter-spacing:-0.015em;line-height:1.2}
.eyebrow{
  font-size:11.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;
  color:var(--accent-700);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block}
.eyebrow.on-dark{color:var(--accent-bright)}
.eyebrow.on-dark::before{background:var(--accent-bright)}
.eyebrow.plain::before{display:none}
.mono{
  font-weight:300;letter-spacing:.14em;text-transform:uppercase;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.lead{font-size:clamp(16px,1.5vw,18px);line-height:1.65;color:var(--ink-2);font-weight:300}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.section{padding:clamp(64px,9vw,108px) 0}
.section-head{margin-bottom:clamp(34px,4.5vw,52px)}
.section-head .eyebrow{margin-bottom:16px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 24px;border-radius:var(--r-sm);font-weight:500;font-size:15px;
  border:1px solid transparent;transition:background .2s,border-color .2s,color .2s,transform .2s;
  min-height:48px;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px -12px rgba(46,91,255,.7)}
.btn-primary:hover{background:var(--accent-600)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-ghost.on-dark{color:var(--on-dark);border-color:rgba(170,190,250,.32)}
.btn-ghost.on-dark:hover{border-color:var(--accent-bright)}
.btn-primary.on-dark{background:var(--accent);color:#fff}
.btn-primary.on-dark:hover{background:var(--accent-bright)}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}

/* blueprint grid background util */
.blueprint{
  background-color:var(--dark);
  background-image:linear-gradient(var(--dark-grid) 1px,transparent 1px),
                   linear-gradient(90deg,var(--dark-grid) 1px,transparent 1px);
  background-size:34px 34px,34px 34px;
}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:sticky;top:0;z-index:60;
  background:rgba(243,245,250,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-2);
}
.header__inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{width:38px;height:38px;border-radius:10px;background:var(--accent-tint);display:grid;place-items:center;color:var(--accent);flex:0 0 auto}
.brand__mark svg{width:24px;height:24px}
.brand__name{display:flex;flex-direction:column;line-height:1.05}
.brand__name b{font-weight:700;font-size:15.5px;letter-spacing:.005em}
.brand__name span{font-size:10px;letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase;font-weight:400;margin-top:2px}
.nav{display:flex;align-items:center;gap:clamp(16px,1.7vw,28px)}
.nav a{font-size:14.5px;font-weight:400;color:var(--ink-2);transition:color .2s;position:relative;white-space:nowrap}
.nav a:hover{color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;background:var(--accent);transition:right .25s}
.nav a:hover::after{right:0}
.header__cta{display:flex;align-items:center;gap:12px}
.header__phone{display:inline-flex;align-items:center;gap:9px;background:var(--ink);color:#fff;padding:11px 17px;border-radius:var(--r-sm);font-weight:500;font-size:14px;transition:background .2s;white-space:nowrap}
.header__phone:hover{background:var(--accent)}
.header__phone svg{width:15px;height:15px}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);align-items:center;justify-content:center}
.burger svg{width:22px;height:22px}

/* mobile menu */
.mobile-menu{
  position:fixed;inset:var(--nav-h) 0 0;z-index:55;
  background:rgba(243,245,250,.98);backdrop-filter:blur(20px);
  padding:24px var(--pad) 40px;display:flex;flex-direction:column;gap:6px;
  transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;
}
.mobile-menu.open{opacity:1;transform:none;pointer-events:auto}
.mobile-menu a{padding:16px 6px;font-size:20px;font-weight:500;border-bottom:1px solid var(--line-2)}
.mobile-menu .btn{margin-top:18px}

/* ============================================================
   HERO  (scroll-driven 3D explode)
   ============================================================ */
.hero{position:relative;color:var(--on-dark);overflow:hidden;background:var(--dark)}
.hero__bp{position:absolute;inset:0;z-index:0;animation:heroSoftIn 1.6s cubic-bezier(.22,1,.36,1) both .1s;will-change:transform}
.hero__glow{position:absolute;z-index:1;width:60vw;height:60vw;max-width:760px;max-height:760px;
  right:-4%;top:-1%;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(46,91,255,.30),rgba(46,91,255,0) 64%);filter:blur(8px)}
@media (min-width:1081px){
  .hero__glow{animation:heroGlowDrift 15s ease-in-out infinite;will-change:transform}
}
/* faint motor watermark, blended into the background (not a focal element) */
.hero__art{position:absolute;inset:0 0 0 auto;z-index:1;width:min(82vw,1180px);pointer-events:none;
  background:url('../img/motor-blueprint.jpg') no-repeat right center;background-size:auto 82%;
  --art-op:.2;animation:heroArtIn 2s cubic-bezier(.22,1,.36,1) both .35s;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 46%,#000 86%,transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0%,#000 46%,#000 86%,transparent 100%);
  will-change:transform}
@media (max-width:860px){.hero__art{--art-op:.13;background-size:auto 58%}}
@media (max-width:680px){.hero__art{--art-op:.08;background-size:auto 46%;background-position:right -14% center}}
.hero__inner{position:relative;z-index:2;display:flex;align-items:center;width:100%;max-width:var(--maxw);margin:0 auto;
  min-height:calc(100svh - var(--nav-h));padding:44px var(--pad) 56px}
.hero__copy{max-width:540px}
.hero .eyebrow{margin-bottom:24px}
.hero h1{font-size:clamp(36px,6vw,64px);margin-bottom:22px}
.hero h1 .accent{color:var(--accent-bright)}
.hero__lead{font-size:clamp(15px,1.5vw,18px);line-height:1.62;color:var(--on-dark-2);font-weight:300;margin:0 0 30px;max-width:480px}
.hero__actions{display:flex;gap:13px;flex-wrap:wrap;margin-bottom:30px}
.hero__pills{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:var(--on-dark-3);letter-spacing:.02em}
.hero__pills span{display:inline-flex;align-items:center;gap:8px}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.dot--a{background:var(--accent-bright)}
.dot--b{background:#fff;opacity:.5}

/* hero entrance — premium staggered reveal (plays once on load) */
@keyframes heroLineUp{from{transform:translateY(115%)}to{transform:translateY(0)}}
@keyframes heroFadeUp{0%{opacity:0;transform:translateY(16px);filter:blur(8px)}100%{opacity:1;transform:none;filter:blur(0)}}
@keyframes heroEyebrow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes heroSoftIn{from{opacity:0}to{opacity:1}}
@keyframes heroArtIn{from{opacity:0}to{opacity:var(--art-op,.2)}}
@keyframes heroGlowDrift{
  0%  {transform:translate(0,0) scale(1)}
  22% {transform:translate(-9%,16%) scale(1.13)}
  48% {transform:translate(-18%,2%) scale(.88)}
  68% {transform:translate(-10%,-14%) scale(1.07)}
  82% {transform:translate(4%,-5%) scale(1.16)}
  100%{transform:translate(0,0) scale(1)}
}

.hero__copy .eyebrow{animation:heroFadeUp .9s cubic-bezier(.22,1,.36,1) both .15s}
.hero__copy .eyebrow::before{transform-origin:left center;animation:heroEyebrow .8s cubic-bezier(.22,1,.36,1) both .15s}
/* headline: each line rises from under a mask */
.hero__copy h1 .line{display:block;overflow:hidden;padding:.07em 0;margin:-.07em 0}
.hero__copy h1 .line>span{display:block;animation:heroLineUp 1s cubic-bezier(.22,1,.36,1) both}
.hero__copy h1 .line:nth-child(1)>span{animation-delay:.32s}
.hero__copy h1 .line:nth-child(2)>span{animation-delay:.44s}
.hero__copy h1 .line:nth-child(3)>span{animation-delay:.56s}
.hero__lead{animation:heroFadeUp .9s cubic-bezier(.22,1,.36,1) both .8s}
.hero__actions{animation:heroFadeUp .9s cubic-bezier(.22,1,.36,1) both .94s}
.hero__pills{animation:heroFadeUp .9s cubic-bezier(.22,1,.36,1) both 1.06s}
@media (prefers-reduced-motion:reduce){
  .hero__copy .eyebrow,.hero__copy .eyebrow::before,.hero__copy h1 .line>span,
  .hero__lead,.hero__actions,.hero__pills,.hero__bp,.hero__glow,.hero__art{animation:none}
  .hero__art{opacity:var(--art-op,.2)}
}

/* 3D stage */
.stage{position:relative;margin:0;align-self:center;width:100%;height:min(60svh,540px);min-height:380px;
  display:flex;flex-direction:column;border-radius:var(--r-lg);
  border:1px solid var(--dark-line);
  background:linear-gradient(180deg,rgba(20,32,66,.5),rgba(8,14,30,.35));
  overflow:hidden}
.stage__bar{display:flex;justify-content:space-between;align-items:center;
  padding:13px 18px;font-size:10.5px;color:var(--on-dark-3);border-bottom:1px solid var(--dark-line);
  z-index:3}
.stage__bar b{color:var(--accent-bright);font-weight:500}
.stage__canvas{position:relative;flex:1;min-height:0}
#motor-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:pan-y}
.stage__foot{padding:12px 18px 14px;border-top:1px solid var(--dark-line);z-index:3}
.assembly{display:flex;align-items:center;gap:14px}
.assembly span{font-size:10px;color:var(--on-dark-3);white-space:nowrap}
.assembly span.hot{color:var(--accent-bright)}
.assembly__track{flex:1;height:3px;border-radius:3px;background:rgba(120,150,255,.18);position:relative;overflow:hidden}
.assembly__fill{position:absolute;inset:0 100% 0 0;background:linear-gradient(90deg,var(--accent),var(--accent-bright));transition:right .1s linear}
.parts-legend{display:flex;flex-wrap:wrap;gap:5px 14px;margin-top:11px;font-size:10px;color:var(--on-dark-3)}
.parts-legend span{font-variant-numeric:tabular-nums}

/* loading + fallback */
.stage__load{position:absolute;inset:0;z-index:4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  background:linear-gradient(180deg,rgba(12,20,42,.6),rgba(8,14,30,.5));transition:opacity .5s;color:var(--on-dark-2);font-size:12px;letter-spacing:.12em}
.stage__load.hidden{opacity:0;pointer-events:none}
.spinner{width:34px;height:34px;border-radius:50%;border:2px solid rgba(120,150,255,.25);border-top-color:var(--accent-bright);animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.stage__poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .4s;z-index:2}
.stage__poster.show{opacity:1}

/* scroll hint */
.hero__hint{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);z-index:3;
  display:flex;align-items:center;gap:9px;font-size:11px;letter-spacing:.16em;color:var(--on-dark-3);
  transition:opacity .3s}
.hero__hint svg{width:15px;height:15px;animation:nudge 1.8s ease-in-out infinite}
@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* ---------- Blueprint hero image (static + subtle motion) ---------- */
.stage__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;
  opacity:.96;will-change:transform;animation:bpFloat 9s ease-in-out infinite}
@keyframes bpFloat{0%,100%{transform:scale(1.05) translateY(-5px)}50%{transform:scale(1.05) translateY(5px)}}
/* slow "scanner" sweep across the drawing */
.stage__scan{position:absolute;left:0;right:0;height:34%;pointer-events:none;z-index:2;
  background:linear-gradient(180deg,transparent,rgba(110,140,255,.13),transparent);
  animation:bpScan 7.5s linear infinite}
@keyframes bpScan{0%{top:-36%}100%{top:104%}}
/* spec keywords caption */
.stage__specs{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center}
.stage__specs .mono{font-size:10.5px;color:var(--on-dark-3);position:relative}
.stage__specs .mono+.mono::before{content:"";position:absolute;left:-11px;top:50%;width:3px;height:3px;
  border-radius:50%;background:var(--accent-bright);transform:translateY(-50%)}

/* ============================================================
   COUNTERS
   ============================================================ */
.counters{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.counters__grid{display:grid;grid-template-columns:repeat(4,1fr);padding-block:clamp(34px,5vw,48px)}
.counter{text-align:center;padding:8px 14px}
.counter+.counter{border-left:1px solid var(--line-2)}
.counter b{display:block;font-weight:700;font-size:clamp(34px,4.6vw,50px);letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1}
.counter.is-accent b{color:var(--accent)}
.counter small{display:block;margin-top:8px;font-size:11px;letter-spacing:.12em;color:var(--ink-3);text-transform:uppercase;font-weight:400}

/* ============================================================
   SERVICES
   ============================================================ */
.services__top{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:46px}
.services__top h2{max-width:600px}
.services__top p{max-width:330px;margin:0;color:var(--ink-2);font-weight:300;font-size:15.5px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.card{background:var(--surface);padding:32px 28px 36px;transition:background .2s}
.card:hover{background:var(--surface-2)}
.card__head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}
.card__icon{color:var(--accent)}
.card__icon svg{width:26px;height:26px}
.card__n{font-size:12px;color:#A7B4C8;font-variant-numeric:tabular-nums}
.card h3{margin-bottom:10px}
.card p{margin:0;font-size:14.5px;line-height:1.6;color:var(--ink-2);font-weight:300}

/* ============================================================
   MOTOR TYPES
   ============================================================ */
.types{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tabs{display:inline-flex;background:var(--bg);border:1px solid var(--line-2);border-radius:12px;padding:5px;gap:4px;margin-bottom:34px}
.tab{border:none;background:transparent;color:var(--ink-3);font-weight:500;font-size:15px;padding:11px 24px;border-radius:8px;transition:all .2s}
.tab[aria-selected="true"]{background:var(--ink);color:#fff}
.types__panel{display:grid;grid-template-columns:1fr .82fr;gap:48px;align-items:center}
.types__head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.types__head h3{font-size:clamp(24px,3vw,30px);font-weight:700;letter-spacing:-.02em}
.badge{font-size:13.5px;color:var(--accent);background:var(--accent-tint);padding:4px 12px;border-radius:6px;font-variant-numeric:tabular-nums}
.types__note{font-size:16px;line-height:1.6;color:var(--ink-2);font-weight:300;margin:0 0 26px}
.applist{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.applist div{display:flex;align-items:center;gap:11px;padding:13px 15px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-weight:400}
.applist svg{width:16px;height:16px;color:var(--accent);flex:0 0 auto}
.types__viz{border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;position:relative;
  background-color:var(--dark);
  background-image:linear-gradient(var(--dark-grid) 1px,transparent 1px),linear-gradient(90deg,var(--dark-grid) 1px,transparent 1px);
  background-size:34px 34px,34px 34px}
.types__fig{position:absolute;inset:0;margin:0;display:flex;align-items:center;justify-content:center;padding:20px 20px 48px}
.types__img{width:auto;height:auto;max-width:62%;max-height:62%;object-fit:contain;display:block}
.types__cap{
  position:absolute;bottom:0;left:0;right:0;
  padding:28px 16px 14px;
  background:linear-gradient(transparent,rgba(8,14,28,.78));
  color:rgba(199,212,250,.9);
  font-size:10.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;
}

/* ============================================================
   PROCESS
   ============================================================ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{border:1px solid var(--line);border-radius:var(--r-md);padding:28px 26px 30px;background:var(--surface);transition:border-color .2s,transform .2s}
.step:hover{border-color:var(--accent);transform:translateY(-3px)}
.step__n{font-size:13px;color:var(--accent);letter-spacing:.05em;margin-bottom:18px;font-variant-numeric:tabular-nums}
.step h3{margin-bottom:8px}
.step p{margin:0;font-size:14px;line-height:1.6;color:var(--ink-2);font-weight:300}

/* ============================================================
   PRICE / CALCULATOR
   ============================================================ */
.price{color:var(--on-dark)}
.price__grid{display:grid;grid-template-columns:1fr 1.08fr;gap:56px;align-items:center}
.price h2{margin-bottom:18px}
.price__lead{font-size:16px;line-height:1.62;color:var(--on-dark-2);font-weight:300;margin:0 0 24px}
.price__list{display:flex;flex-direction:column;gap:12px;font-size:14.5px;color:var(--on-dark-2)}
.price__list span{display:flex;align-items:center;gap:11px}
.price__list svg{width:16px;height:16px;color:var(--accent-bright);flex:0 0 auto}
.calc{background:rgba(255,255,255,.035);border:1px solid var(--dark-line);border-radius:var(--r-lg);padding:clamp(24px,3vw,34px)}
.calc__label{font-size:11px;letter-spacing:.12em;color:var(--on-dark-3);margin-bottom:11px;text-transform:uppercase}
.seg{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}
.seg button{flex:1;min-width:max-content;background:transparent;color:var(--on-dark-2);border:1px solid var(--dark-line);border-radius:8px;padding:11px 16px;font-weight:500;font-size:14px;transition:all .2s}
.seg button[aria-selected="true"]{background:var(--accent);color:#fff;border-color:var(--accent)}
.calc__row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}
.calc__row .val{color:var(--accent-bright);font-size:16px;font-variant-numeric:tabular-nums}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;
  background:rgba(120,150,255,.22);outline:none;margin:0 0 24px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;
  background:var(--accent);border:3px solid #fff;cursor:pointer;box-shadow:0 2px 8px rgba(46,91,255,.5)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);border:3px solid #fff;cursor:pointer}
.calc__out{border-top:1px solid var(--dark-line);padding-top:24px}
.calc__price{font-weight:700;font-size:clamp(30px,4vw,38px);letter-spacing:-.02em;color:#fff;font-variant-numeric:tabular-nums}
.calc__price small{font-size:20px;color:var(--on-dark-3);font-weight:400}
.calc__hint{font-size:12.5px;color:var(--on-dark-3);margin-top:8px}
.calc .btn{width:100%;margin-top:20px}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery__top{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:38px}
.gallery__top p{max-width:330px;margin:0;font-size:13.5px;color:var(--ink-3);line-height:1.55;font-weight:300}
.grid-gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:14px}
.tile{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  background:var(--dark);color:var(--on-dark-3);display:flex;align-items:flex-end;
  background-image:linear-gradient(var(--dark-grid) 1px,transparent 1px),linear-gradient(90deg,var(--dark-grid) 1px,transparent 1px);
  background-size:24px 24px,24px 24px}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tile figcaption{position:relative;z-index:2;width:100%;padding:14px 16px;font-size:12px;letter-spacing:.04em;
  background:linear-gradient(0deg,rgba(8,14,30,.85),transparent)}
.tile__ico{position:absolute;top:14px;left:14px;z-index:2;opacity:.5}
.tile__ico svg{width:22px;height:22px}
.tile--tall{grid-row:span 2}
.tile--wide{grid-column:span 2}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{background:var(--surface);border-top:1px solid var(--line)}
.contact__grid{display:grid;grid-template-columns:1fr 1.25fr;gap:36px}
.contact__cards{display:flex;flex-direction:column;gap:13px}
.ccard{display:flex;align-items:center;gap:16px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-md);transition:border-color .2s}
a.ccard:hover{border-color:var(--accent)}
.ccard__ico{width:46px;height:46px;border-radius:11px;background:var(--accent-tint);display:grid;place-items:center;color:var(--accent-700);flex:0 0 auto}
.ccard__ico svg{width:20px;height:20px}
.ccard small{display:block;font-size:11px;letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase;margin-bottom:3px}
.ccard b{font-weight:500;font-size:16.5px}
.ccard b.sm{font-size:14.5px;line-height:1.4;font-weight:400}
.map{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);min-height:420px}
.map iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(.2) contrast(1.02)}
.map__card{position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:rgba(10,16,32,.86);backdrop-filter:blur(8px);border:1px solid var(--dark-line);border-radius:var(--r-md);
  padding:16px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.map__card small{font-size:10.5px;letter-spacing:.14em;color:var(--on-dark-3);text-transform:uppercase}
.map__card b{color:#fff;font-weight:500;font-size:16px;display:block;margin-top:4px}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:#070D1B;color:var(--on-dark-2)}
.footer__top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-block:54px 40px}
.footer__brand{max-width:360px}
.footer__brand .brand{margin-bottom:14px}
.footer__brand .brand__mark{background:rgba(110,140,255,.14);color:var(--accent-bright)}
.footer__brand b{color:#fff}
.footer__brand p{margin:0;font-size:14px;line-height:1.6;font-weight:300}
.footer__cols{display:flex;gap:56px;flex-wrap:wrap}
.fcol{display:flex;flex-direction:column;gap:10px;font-size:14px}
.fcol b{font-size:10.5px;letter-spacing:.14em;color:var(--accent-bright);text-transform:uppercase;font-weight:500;margin-bottom:4px}
.fcol a{transition:color .2s}
.fcol a:hover{color:var(--accent-bright)}
.footer__bar{border-top:1px solid var(--dark-line)}
.footer__bar div{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-block:20px;font-size:11.5px;color:var(--on-dark-3)}
@media (max-width:680px){
  .footer__top{flex-direction:column;gap:30px;padding-block:44px 30px}
  .footer__brand{max-width:none}
  .footer__cols{gap:30px 36px}
  .fcol{min-width:0;overflow-wrap:anywhere}
  .footer__bar div{flex-direction:column;gap:8px;align-items:flex-start;padding-block:18px}
}
@media (max-width:460px){
  .footer__cols{flex-direction:column;gap:26px}
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
[data-reveal].in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  /* Drop the sticky-pin model: hero flows normally and the motor explodes
     as the stage scrolls through the viewport (handled in hero3d.js). */
  .hero__scroll{height:auto}
  .hero__sticky{position:static;min-height:auto;overflow:visible;padding-bottom:56px}
  .hero__inner{grid-template-columns:1fr;gap:24px;align-content:start}
  .stage{height:60svh;min-height:340px}
  .hero__hint{display:none}
  .price__grid{grid-template-columns:1fr;gap:34px}
  .types__panel{grid-template-columns:1fr;gap:32px}
  .contact__grid{grid-template-columns:1fr;gap:24px}
}
/* Swap full nav → hamburger before it gets cramped (tablet↔desktop zone). */
@media (max-width:1080px){
  .nav,.header__phone{display:none}
  .burger{display:inline-flex}
}
@media (max-width:860px){
  .cards{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .counters__grid{grid-template-columns:1fr 1fr}
  .counter:nth-child(3){border-left:none}
  .counter:nth-child(n+3){border-top:1px solid var(--line-2);padding-top:26px;margin-top:18px}
}
@media (max-width:680px){
  :root{--nav-h:64px}
  .hero h1{font-size:clamp(32px,9vw,46px)}
  .stage{height:54svh;min-height:300px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .applist{grid-template-columns:1fr}
  .grid-gallery{grid-template-columns:1fr 1fr;grid-auto-rows:150px}
  .tile--wide{grid-column:span 2}
  .tile--tall{grid-row:span 1}
  .services__top,.gallery__top{flex-direction:column;align-items:flex-start;gap:14px}
  .stage__bar{font-size:9.5px;gap:10px}
  .stage__bar span:last-child{flex:0 0 auto}
  .stage__bar span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}
@media (max-width:430px){
  .stage__bar span:last-child{display:none}
}
@media (max-width:420px){
  .counters__grid{grid-template-columns:1fr}
  .counter+.counter{border-left:none;border-top:1px solid var(--line-2);padding-top:24px;margin-top:14px}
  .counter:nth-child(3){border-top:1px solid var(--line-2)}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  [data-reveal]{opacity:1;transform:none}
  .hero__hint svg{animation:none}
}