:root{
  --bg:#0a0a0b;--bg2:#121214;--bg3:#1a1a1d;--line:#26262b;--line2:#333339;
  --txt:#f4f4f5;--muted:#a3a3ab;--dim:#6e6e76;
  --red:#e31e24;--red2:#ff3b41;--steel:#c9ccd1;
  --radius:14px;--max:1240px;
  --font-h:"Montserrat",system-ui,sans-serif;--font-b:"Inter",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);font-family:var(--font-b);font-size:16px;line-height:1.55;overflow-x:hidden}
img,video,canvas{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-h);line-height:1.12;margin:0 0 .5em;text-transform:uppercase;letter-spacing:.01em}
h1{font-size:clamp(30px,5.4vw,62px);font-weight:800}
h2{font-size:clamp(26px,3.6vw,44px);font-weight:800}
h3{font-size:clamp(18px,2vw,22px);font-weight:700}
p{margin:0 0 1em}
.accent{color:var(--red)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
section{padding:72px 0}
@media(min-width:900px){section{padding:104px 0}}
.lead{color:var(--muted);font-size:clamp(16px,1.4vw,19px);max-width:720px}
.kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-h);font-weight:700;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.kicker::before{content:"";width:28px;height:2px;background:var(--red)}
.sr{position:absolute;left:-9999px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 26px;border-radius:999px;font-family:var(--font-h);font-weight:700;font-size:14px;letter-spacing:.04em;text-transform:uppercase;border:2px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-red{background:var(--red);color:#fff;box-shadow:0 10px 30px -10px rgba(227,30,36,.7)}
.btn-red:hover{background:var(--red2);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line2);color:var(--txt);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:#fff}
.btn-sm{padding:11px 18px;font-size:12px}

/* header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;background:linear-gradient(to bottom,rgba(10,10,11,.92),rgba(10,10,11,.75));backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.hdr .wrap{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo svg{height:40px;width:auto}
.logo span{font-family:var(--font-h);font-weight:600;font-size:11px;letter-spacing:.06em;color:var(--muted);text-transform:none;line-height:1.1}
.nav{display:none;gap:22px;margin-left:auto;font-weight:500;font-size:14px;color:var(--muted)}
.nav a:hover{color:#fff}
.hdr-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.hdr-phone{display:none;font-family:var(--font-h);font-weight:700;font-size:15px;color:#fff;white-space:nowrap}
.burger{width:44px;height:44px;border:1px solid var(--line2);border-radius:10px;background:none;color:#fff;display:grid;place-items:center;cursor:pointer}
@media(min-width:1024px){.nav{display:flex}.hdr-cta{margin-left:0}.hdr-phone{display:block}.burger{display:none}}
@media(max-width:1023px){.hdr .wrap{gap:12px;min-width:0}.hdr-cta{flex-shrink:0}}
@media(max-width:600px){.hdr .btn{display:none}.logo svg{height:36px}.logo span{font-size:10px}}
.mnav{position:fixed;inset:68px 0 0 0;background:rgba(10,10,11,.97);z-index:49;display:none;flex-direction:column;padding:24px 20px;gap:4px;font-size:18px;font-family:var(--font-h);font-weight:600}
.mnav.open{display:flex}
.mnav a{padding:14px 6px;border-bottom:1px solid var(--line)}
.mnav .btn{margin-top:18px;align-self:flex-start}

/* hero */
.hero{position:relative;padding:100px 0 40px;min-height:100svh;display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2;background:url(../img/gallery/10.jpg) center/cover no-repeat;opacity:.28;filter:saturate(.6) contrast(1.1)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(70% 60% at 70% 45%,rgba(227,30,36,.14),transparent 60%),linear-gradient(to bottom,rgba(10,10,11,.55),rgba(10,10,11,.75) 40%,var(--bg) 100%)}
.hero .wrap{display:grid;gap:22px;width:100%}
.hero-top h1{margin-bottom:0}
@media(min-width:960px){.hero .wrap{grid-template-columns:1.05fr 1fr;grid-template-areas:"top scene" "rest scene";align-items:center;gap:0 36px}.hero{padding:120px 0 60px}.hero-top{grid-area:top;align-self:end}.hero-rest{grid-area:rest;align-self:start;padding-top:18px}.hero .scene{grid-area:scene}}
.hero h1{margin-bottom:18px}
.hero .lead{margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:560px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:rgba(18,18,20,.6)}
.stat b{display:block;font-family:var(--font-h);font-size:24px;font-weight:800;color:#fff;line-height:1}
.stat small{display:block;color:var(--muted);font-size:12px;margin-top:6px;line-height:1.3}

.scene{position:relative;aspect-ratio:4/3.3;border-radius:20px;background:radial-gradient(80% 70% at 50% 60%,#1d1d21,#0d0d0e 75%);border:1px solid var(--line);overflow:hidden;box-shadow:0 40px 80px -40px rgba(0,0,0,.9)}
@media(min-width:960px){.scene{aspect-ratio:1/0.92}}
.scene canvas{width:100%;height:100%;display:block;touch-action:pan-y}
.scene-photo{position:absolute;inset:0;background:center/cover no-repeat;opacity:0;transition:opacity .5s;pointer-events:none}
.scene.show-photo .scene-photo{opacity:1}
.scene-ui{position:absolute;left:12px;right:12px;top:12px;display:flex;justify-content:space-between;gap:8px;z-index:3;flex-wrap:wrap}
.seg{display:inline-flex;background:rgba(10,10,11,.75);border:1px solid var(--line2);border-radius:999px;padding:4px;backdrop-filter:blur(8px)}
.seg button{border:0;background:none;color:var(--muted);font-family:var(--font-h);font-weight:700;font-size:12px;letter-spacing:.04em;text-transform:uppercase;padding:9px 14px;border-radius:999px;cursor:pointer;transition:.2s}
.seg button.on{background:var(--red);color:#fff}
.scene-hint{position:absolute;left:14px;bottom:12px;font-size:12px;color:var(--dim);z-index:3;display:flex;align-items:center;gap:8px}
.scene-tag{position:absolute;right:14px;bottom:12px;z-index:3;font-family:var(--font-h);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:rgba(10,10,11,.7);border:1px solid var(--line2);padding:6px 10px;border-radius:8px}
.scene-tag b{color:#fff}
@media(max-width:600px){.scene-hint{display:none}.scene-tag{left:12px;right:12px;text-align:center;font-size:10px}}

/* scrollytelling */
.story{padding:0;background:linear-gradient(to bottom,var(--bg),#0d0d0f)}
.story-head{padding:80px 0 20px;text-align:center}
.story-head .lead{margin:0 auto}
.story-grid{position:relative}
.story-sticky{position:sticky;top:68px;height:44svh;z-index:3;padding:8px 0 10px;background:var(--bg)}
.story-sticky .scene{height:100%;aspect-ratio:auto;border-radius:16px}
.story-steps{position:relative;z-index:1;padding-top:4px}
@media(max-width:959px){.story{background:var(--bg)}.step{min-height:40svh;align-items:flex-start;padding:0 0 12px}.step-card{opacity:1;transform:none;max-width:none}.step.active .step-card{border-color:rgba(227,30,36,.6)}.story-end{padding-top:10px}}
.step{min-height:56svh;display:flex;align-items:flex-end;padding:10px 0 24px}
.step-card{background:rgba(18,18,20,.94);border:1px solid var(--line2);border-radius:16px;padding:16px 16px 14px;max-width:520px;backdrop-filter:blur(10px);box-shadow:0 30px 60px -30px #000;opacity:.35;transform:translateY(12px);transition:.4s}
@media(max-width:959px){.step-card p{font-size:14px}.step-card ul{display:none}.step-card h3{font-size:16px}}
.step.active .step-card{opacity:1;transform:none;border-color:rgba(227,30,36,.6)}
.step-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--red);color:#fff;font-family:var(--font-h);font-weight:800;font-size:14px;margin-bottom:12px}
.step-card h3{margin-bottom:8px}
.step-card p{color:var(--muted);margin:0;font-size:15px}
.step-card ul{margin:10px 0 0;padding-left:18px;color:var(--muted);font-size:14px}
.step-card li{margin:3px 0}
.story-phone{display:none;color:var(--muted);font-size:13px;margin-top:10px}
@media(min-width:960px){
  .story-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:start}
  .story-sticky{top:88px;height:min(calc(100svh - 110px),640px);order:1;background:none;padding:8px 0 0}
  .story-steps{order:2;padding:0}
  .step{min-height:64svh;align-items:center;padding:0}
  .story-steps{padding-top:10svh}
  .step-card{padding:30px}
}
.story-end{padding:40px 0 80px;text-align:center}

/* products */
.cards2{display:grid;gap:18px}
@media(min-width:900px){.cards2{grid-template-columns:1fr 1fr}}
.pcard{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg2);overflow:hidden;display:flex;flex-direction:column}
.pcard figure{margin:0;aspect-ratio:16/9;overflow:hidden;position:relative}
.pcard figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.pcard:hover figure img{transform:scale(1.04)}
.pcard .tag{position:absolute;left:14px;top:14px;background:var(--red);color:#fff;font-family:var(--font-h);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border-radius:6px}
.pcard .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.pcard p{color:var(--muted);margin:0}
.spec{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;font-size:14px}
.spec div{border-top:1px solid var(--line);padding-top:8px}
.spec small{display:block;color:var(--dim);font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.spec b{color:#fff;font-weight:600}
.pcard .actions{margin-top:auto;display:flex;gap:10px;flex-wrap:wrap;padding-top:6px}
@media(min-width:1100px){.cards3{grid-template-columns:repeat(3,1fr)}.cards3 .spec{font-size:13px}}
.card-phone{display:flex;flex-direction:column;gap:2px;border:1px dashed var(--red);border-radius:10px;padding:10px 14px;margin-top:2px}
.card-phone small{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.card-phone b{font-family:var(--font-h);font-size:18px;color:#fff}

/* services (начинка) */
.services{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sgrid{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:640px){.sgrid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.sgrid{grid-template-columns:repeat(3,1fr)}}
.scard{border:1px solid var(--line2);border-radius:var(--radius);padding:20px;background:var(--bg);display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden}
.scard .ico{width:46px;height:46px;border-radius:12px;border:1px solid var(--red);display:grid;place-items:center;color:var(--red)}
.scard .ico svg{width:24px;height:24px}
.scard h3{font-size:17px;margin:4px 0 0}
.scard p{color:var(--muted);font-size:14px;margin:0}
.scard img{position:absolute;right:-10px;bottom:-10px;width:120px;height:90px;object-fit:cover;border-radius:10px;opacity:.35;mask-image:linear-gradient(to left,#000,transparent)}
.phone-box{margin-top:26px;border:1px dashed var(--line2);border-radius:var(--radius);padding:18px 20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px}
.phone-box b{font-family:var(--font-h);font-size:20px}
.phone-box span{color:var(--muted);font-size:14px}

/* why */
.why-grid{display:grid;gap:14px}
@media(min-width:640px){.why-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.why-grid{grid-template-columns:repeat(3,1fr)}}
.why{display:flex;gap:16px;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(18,18,20,.5)}
.why .ico{flex-shrink:0;width:52px;height:52px;border-radius:50%;border:2px solid var(--red);display:grid;place-items:center;color:#fff}
.why .ico svg{width:26px;height:26px}
.why h3{font-size:16px;margin-bottom:6px}
.why p{color:var(--muted);font-size:14px;margin:0}

/* compare slider */
.cmp{position:relative;aspect-ratio:16/10;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);user-select:none;touch-action:none;background:#000}
.cmp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cmp .after{clip-path:inset(0 0 0 50%)}
.cmp .handle{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;transform:translateX(-50%);pointer-events:none}
.cmp .handle::after{content:"⇆";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-size:20px;box-shadow:0 10px 30px -5px #000}
.cmp .lbl{position:absolute;bottom:14px;font-family:var(--font-h);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:rgba(0,0,0,.6);padding:6px 10px;border-radius:6px;pointer-events:none}
.cmp .lbl.l{left:14px}.cmp .lbl.r{right:14px}

/* gallery */
.gal-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.gal-filters button{border:1px solid var(--line2);background:none;color:var(--muted);padding:9px 14px;border-radius:999px;font-family:var(--font-h);font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;cursor:pointer}
.gal-filters button.on{background:#fff;color:#000;border-color:#fff}
.gal{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media(min-width:640px){.gal{grid-template-columns:repeat(3,1fr);gap:10px}}
@media(min-width:1024px){.gal{grid-template-columns:repeat(4,1fr)}}
.gal a{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:10px;background:var(--bg3);display:block}
.gal a img{width:100%;height:100%;object-fit:cover;transition:transform .5s,opacity .3s}
.gal a:hover img{transform:scale(1.05)}
.gal a.hide{display:none}
.gal-more{text-align:center;margin-top:22px}
.vgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:40px}
@media(min-width:640px){.vgrid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.vgrid{grid-template-columns:repeat(6,1fr)}}
.vgrid a{position:relative;aspect-ratio:9/16;border-radius:10px;overflow:hidden;display:block;background:var(--bg3)}
.vgrid a img{width:100%;height:100%;object-fit:cover}
.vgrid a::after{content:"▶";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:28px;background:rgba(0,0,0,.25)}

/* lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.94);display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img,.lb video{max-width:94vw;max-height:88vh;border-radius:8px;object-fit:contain}
.lb button{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;width:48px;height:48px;border-radius:50%;cursor:pointer;font-size:22px;display:grid;place-items:center}
.lb .x{top:16px;right:16px}.lb .p{left:10px;top:50%;transform:translateY(-50%)}.lb .n{right:10px;top:50%;transform:translateY(-50%)}
.lb .cnt{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);color:var(--muted);font-size:13px}

/* applications */
.apps{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:640px){.apps{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.apps{grid-template-columns:repeat(6,1fr)}}
.app{border:1px solid var(--line);border-radius:12px;padding:18px 14px;text-align:center;background:var(--bg2);font-family:var(--font-h);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.03em}
.app svg{width:34px;height:34px;margin:0 auto 10px;display:block;color:var(--red)}

/* process */
.steps{display:grid;gap:12px;counter-reset:s}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1100px){.steps{grid-template-columns:repeat(6,1fr)}}
.pstep{border:1px solid var(--line);border-radius:12px;padding:18px 16px;background:var(--bg2);position:relative}
.pstep::before{counter-increment:s;content:"0" counter(s);font-family:var(--font-h);font-weight:800;font-size:34px;color:var(--red);line-height:1;display:block;margin-bottom:10px}
.pstep b{display:block;font-family:var(--font-h);font-size:14px;text-transform:uppercase;margin-bottom:6px}
.pstep span{color:var(--muted);font-size:13px}

/* tech */
.tech{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tech-grid{display:grid;gap:20px}
@media(min-width:960px){.tech-grid{grid-template-columns:1fr 1fr;align-items:center}}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.tabs button{border:1px solid var(--line2);background:none;color:var(--muted);padding:8px 14px;border-radius:8px;font-family:var(--font-h);font-size:12px;font-weight:700;cursor:pointer}
.tabs button.on{background:var(--red);border-color:var(--red);color:#fff}
.tech-img{background:#fff;border-radius:12px;overflow:hidden}
.tech-img img{width:100%;height:auto}
.tech ul{color:var(--muted);padding-left:18px}
.tech li{margin:6px 0}
.tech li b{color:#fff;font-weight:600}

/* calc teaser */
.calc-teaser{position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line2);padding:36px 24px;background:linear-gradient(120deg,#17171a,#0e0e10)}
@media(min-width:900px){.calc-teaser{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:30px;padding:48px}}
.calc-teaser::before{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(227,30,36,.25),transparent 70%)}
.calc-teaser ul{color:var(--muted);padding-left:18px;margin:0 0 20px}
.calc-mini{border:1px solid var(--line2);border-radius:14px;background:rgba(10,10,11,.6);padding:18px;position:relative}
.calc-mini label{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin:10px 0 6px}
.calc-mini input[type=range]{width:100%;accent-color:var(--red)}
.calc-mini .out{font-family:var(--font-h);font-weight:800;font-size:26px;margin-top:10px}
.calc-mini .out small{display:block;font-family:var(--font-b);font-weight:400;font-size:12px;color:var(--dim);text-transform:none}

/* form */
.contact{background:linear-gradient(to bottom,var(--bg),#0f0f11)}
.contact-grid{display:grid;gap:30px}
@media(min-width:960px){.contact-grid{grid-template-columns:1fr 1fr;gap:50px;align-items:start}}
.form{border:1px solid var(--line2);border-radius:20px;padding:26px;background:var(--bg2);box-shadow:0 40px 80px -50px #000}
.form h3{margin-bottom:6px}
.form p{color:var(--muted);font-size:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;background:var(--bg);border:1px solid var(--line2);border-radius:10px;color:#fff;padding:14px 14px;font:inherit;font-size:16px;outline:none;transition:.2s}
.field input:focus,.field textarea:focus{border-color:var(--red)}
.field textarea{min-height:96px;resize:vertical}
.form .btn{width:100%}
.form-note{font-size:12px;color:var(--dim);margin-top:12px}
.form-ok{display:none;text-align:center;padding:30px 10px}
.form-ok svg{width:64px;height:64px;color:var(--red);margin:0 auto 14px}
.form.sent form{display:none}.form.sent .form-ok{display:block}
.contacts-list{display:grid;gap:14px}
.cline{display:flex;gap:14px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:12px;background:rgba(18,18,20,.5)}
.cline .ico{width:40px;height:40px;border-radius:50%;border:1px solid var(--red);display:grid;place-items:center;color:var(--red);flex-shrink:0}
.cline .ico svg{width:20px;height:20px}
.cline b{display:block;font-family:var(--font-h);font-size:17px}
.cline small{color:var(--muted);font-size:13px}
.msgr{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.msgr a{border:1px solid var(--line2);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600}
.msgr a:hover{border-color:#fff}

/* share */
.share-sec{padding:0 0 60px}
.share{border:1px solid var(--line2);border-radius:20px;background:var(--bg2);overflow:hidden;display:grid;gap:0}
@media(min-width:860px){.share{grid-template-columns:1.1fr 1fr;align-items:center}}
.share img{width:100%;height:100%;object-fit:contain;aspect-ratio:1200/630;background:#000}
.share>div{padding:24px}
@media(min-width:860px){.share>div{padding:34px}}
.share p{color:var(--muted);font-size:14px}
.share-btns{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.share-btns a,.share-btns button{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;border:1px solid var(--line2);background:var(--bg);color:#fff;font:600 13px/1 var(--font-b);cursor:pointer;transition:.2s}
.share-btns a::before,.share-btns button::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--muted)}
.share-btns .s-tg::before{background:#2aabee}.share-btns .s-vb::before{background:#7360f2}.share-btns .s-wa::before{background:#25d366}.share-btns .s-fb::before{background:#1877f2}.share-btns .s-copy::before,.share-btns .s-native::before{background:var(--red)}
.share-btns a:hover,.share-btns button:hover{border-color:#fff}
.tg-channel{display:inline-block;font-size:13px;color:var(--muted);border-bottom:1px dashed var(--line2)}
.tg-channel:hover{color:#fff}

/* footer */
footer{border-top:1px solid var(--line);padding:36px 0 110px;color:var(--muted);font-size:13px}
@media(min-width:960px){footer{padding-bottom:40px}}
footer .wrap{display:grid;gap:18px}
@media(min-width:800px){footer .wrap{grid-template-columns:1.2fr 1fr 1fr}}
footer b{color:#fff}

/* floating actions */
.fab{position:fixed;right:14px;bottom:14px;z-index:60;display:flex;flex-direction:column;gap:10px}
.fab a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 10px 30px -8px #000;border:1px solid rgba(255,255,255,.12)}
.fab a svg{width:24px;height:24px}
.fab .call{background:var(--red)}.fab .tg{background:#2aabee}.fab .vb{background:#7360f2}
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;background:rgba(10,10,11,.95);border-top:1px solid var(--line2);padding:10px 14px;display:flex;gap:10px;backdrop-filter:blur(10px)}
.mobile-bar .btn{flex:1;padding:13px 10px;font-size:12px}
@media(min-width:960px){.mobile-bar{display:none}}
@media(max-width:959px){.fab{bottom:78px}}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.rv.in{opacity:1;transform:none}

/* calculator page */
.calc-page{padding-top:96px}
.calc-layout{display:grid;gap:20px}
.calc-layout>*{min-width:0}
.opt-type button{min-width:0;overflow:hidden}
.brk td:first-child{padding-right:10px}
@media(min-width:1024px){.calc-layout{grid-template-columns:420px 1fr;align-items:start}}
.panel{border:1px solid var(--line2);border-radius:16px;background:var(--bg2);padding:20px}
.panel h3{font-size:15px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.opt-type{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-bottom:14px}
.opt-type button{border:1px solid var(--line2);background:var(--bg);color:var(--muted);border-radius:12px;padding:12px 8px;font-family:var(--font-h);font-size:11px;font-weight:700;text-transform:uppercase;cursor:pointer;line-height:1.3;display:flex;flex-direction:column;align-items:center;gap:3px;text-align:center}
.opt-type button small{font-family:var(--font-b);font-weight:400;font-size:11px;text-transform:none;color:var(--dim);line-height:1.25}
.opt-type button svg{width:40px;height:22px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.8;margin-bottom:3px}
.opt-type button.on{border-color:var(--red);color:#fff;background:rgba(227,30,36,.12)}
.opt-type button.on small{color:var(--muted)}
@media(max-width:520px){.opt-type{grid-template-columns:1fr;gap:6px}.opt-type button{flex-direction:row;justify-content:flex-start;text-align:left;gap:12px;padding:10px 14px;font-size:13px}.opt-type button span{display:flex;flex-direction:column;gap:2px}.opt-type button svg{width:44px;height:26px;margin:0}}
.brk td:last-child{white-space:normal}
.rng{margin:10px 0 14px}
.rng .lbl{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:4px}
.rng .lbl b{color:#fff;font-family:var(--font-h)}
.rng input{width:100%;accent-color:var(--red)}
.chk{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;cursor:pointer}
.chk:last-child{border-bottom:0}
.chk input{width:20px;height:20px;accent-color:var(--red)}
.chk small{color:var(--dim);display:block;font-size:12px}
.chk select{margin-left:auto;background:var(--bg);color:#fff;border:1px solid var(--line2);border-radius:8px;padding:6px 8px;font-size:13px}
.calc-scene{height:min(56svh,520px)}
.calc-scene .scene{height:100%;aspect-ratio:auto}
.sum{display:grid;gap:10px;margin-top:16px}
@media(min-width:640px){.sum{grid-template-columns:repeat(3,1fr)}}
.sum .stat b{font-size:22px}
.price{margin-top:16px;border:1px solid var(--red);border-radius:16px;padding:20px;background:linear-gradient(135deg,rgba(227,30,36,.14),rgba(227,30,36,.02))}
.price .big{font-family:var(--font-h);font-weight:800;font-size:clamp(24px,3.4vw,38px);line-height:1.1}
.price .uah{color:var(--muted);font-size:15px;margin-top:4px}
.price .note{color:var(--dim);font-size:12px;margin-top:8px}
.brk{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px}
.brk td{padding:8px 0;border-bottom:1px solid var(--line)}
.brk td:last-child{text-align:right;white-space:nowrap;font-family:var(--font-h);font-weight:600}
.brk tr.off td{color:var(--dim);text-decoration:line-through}
.calc-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.sticky-price{position:fixed;left:0;right:0;bottom:0;z-index:55;background:rgba(10,10,11,.96);border-top:1px solid var(--line2);padding:10px 14px;display:flex;align-items:center;gap:12px;backdrop-filter:blur(10px)}
.sticky-price>div{min-width:0}
.sticky-price b{font-family:var(--font-h);font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.sticky-price small{display:block;color:var(--muted);font-size:11px}
.sticky-price .btn{margin-left:auto;flex-shrink:0;padding:11px 16px}
@media(min-width:1024px){.sticky-price{display:none}}