/* ============ Инженерный Центр — styles ============ */
:root{
  --bg:#0b1a13;
  --bg-2:#0f2219;
  --surface:#132b20;
  --surface-2:#183527;
  --brand:#183c2c;
  --line:rgba(226,240,231,.10);
  --line-2:rgba(226,240,231,.18);
  --text:#eef4ef;
  --muted:#a6b8ad;
  --orange:#f36c35;
  --orange-2:#ff8a57;
  --orange-glow:rgba(243,108,53,.35);
  --cream:#f4f1ea;
  --ink:#12261c;
  --radius:22px;
  --radius-sm:14px;
  --ease:cubic-bezier(.22,1,.36,1);
  --font-h:"Unbounded",system-ui,sans-serif;
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --header-h:76px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 10px);-webkit-text-size-adjust:100%}
html,body{overflow-x:clip}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg{width:1em;height:1em}
::selection{background:var(--orange);color:#fff}
.container{width:min(1200px,100% - 40px);margin-inline:auto}

/* ---------- utility / fx ---------- */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--orange),var(--orange-2));z-index:200;box-shadow:0 0 12px var(--orange-glow)}
.cursor-glow{position:fixed;left:0;top:0;width:520px;height:520px;margin:-260px 0 0 -260px;border-radius:50%;pointer-events:none;z-index:0;background:radial-gradient(circle,rgba(243,108,53,.10),transparent 65%);transform:translate3d(-999px,-999px,0);transition:opacity .4s;opacity:0}
@media (hover:hover){body:hover .cursor-glow{opacity:1}}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:18px}
.kicker::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.section-head.center .kicker::before{display:none}
.kicker-arrow{display:inline-block;animation:nudge 1.8s var(--ease) infinite}
@keyframes nudge{50%{transform:translateX(4px)}}
h1,h2,h3{font-family:var(--font-h);font-weight:700;line-height:1.12;letter-spacing:-.01em}
h2{font-size:clamp(28px,4.2vw,48px);margin-bottom:16px}
h3{font-size:18px;font-weight:600;line-height:1.3}
.lead{font-size:clamp(16px,1.6vw,18px);color:var(--muted);max-width:620px}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* ---------- buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15.5px;border:1px solid var(--line-2);color:var(--text);transition:transform .35s var(--ease),background .3s,border-color .3s,box-shadow .3s,color .3s;white-space:nowrap;overflow:hidden;isolation:isolate}
.btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn .arrow{transition:transform .35s var(--ease)}
.btn:hover .arrow{transform:translateX(5px)}
.btn-primary{background:linear-gradient(135deg,var(--orange),var(--orange-2));border-color:transparent;color:#fff;box-shadow:0 10px 30px -8px var(--orange-glow)}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);transition:transform .9s var(--ease);z-index:-1}
.btn-primary:hover{box-shadow:0 16px 40px -8px rgba(243,108,53,.55)}
.btn-primary:hover::after{transform:translateX(120%)}
.btn-ghost{background:rgba(255,255,255,.04);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange-2)}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:var(--orange);border-color:var(--orange)}
.btn-outline-dark{color:var(--ink);border-color:rgba(18,38,28,.2);width:100%}
.btn-outline-dark:hover{background:var(--ink);color:#fff}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ---------- header ---------- */
.site-header{position:fixed;inset:0 0 auto;z-index:100;height:var(--header-h);transition:background .4s,border-color .4s,height .4s;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(11,26,19,.78);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-color:var(--line);--header-h:66px}
.header-inner{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-icon{width:38px;height:auto;transition:transform .6s var(--ease)}
.brand:hover .brand-icon{transform:rotate(-12deg) scale(1.05)}
.brand-copy{display:flex;flex-direction:column;line-height:1.1}
.brand-copy strong{font-family:var(--font-h);font-size:15px;font-weight:700;letter-spacing:.02em}
.brand-copy span{font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--orange);font-weight:700;margin-top:3px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{position:relative;padding:8px 12px;font-size:14.5px;font-weight:600;color:var(--muted);transition:color .25s;border-radius:10px}
.nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:hover,.nav a.active{color:var(--text)}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.burger{display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line-2);position:relative;margin-left:auto}
.burger span{position:absolute;left:13px;right:13px;height:2px;background:var(--text);border-radius:2px;transition:transform .4s var(--ease),opacity .3s}
.burger span:nth-child(1){top:16px}.burger span:nth-child(2){top:22px}.burger span:nth-child(3){top:28px}
.menu-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-open .burger span:nth-child(2){opacity:0}
.menu-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:calc(var(--header-h) + 40px) 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1;background:radial-gradient(1200px 700px at 80% 10%,#1a3d2d 0%,transparent 60%),radial-gradient(900px 600px at 0% 100%,#122d21 0%,transparent 60%),var(--bg)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%);opacity:.55}
.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;animation:float 14s ease-in-out infinite}
.blob-1{width:460px;height:460px;background:var(--orange);opacity:.16;right:8%;top:14%}
.blob-2{width:520px;height:520px;background:#2f7a55;opacity:.22;left:-10%;bottom:-10%;animation-delay:-6s}
@keyframes float{50%{transform:translate(30px,-40px) scale(1.08)}}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero-title{font-size:clamp(40px,7vw,86px);font-weight:800;line-height:1.02;letter-spacing:-.025em;margin-bottom:26px}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero-title .line>span{display:inline-block;transform:translateY(110%);transition:transform 1.1s var(--ease)}
.hero-title.in .line>span{transform:none}
.hero-title .line:nth-child(2)>span{transition-delay:.1s}
.hero-title .line:nth-child(3)>span{transition-delay:.2s}
.accent{background:linear-gradient(100deg,var(--orange) 10%,#ffb38c 50%,var(--orange) 90%);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 5s linear infinite}
@keyframes shine{to{background-position:-200% center}}
.hero-stats{display:grid;grid-template-columns:repeat(3,auto);gap:34px;margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.hero-stats dt{font-family:var(--font-h);font-size:clamp(22px,2.6vw,30px);font-weight:700;white-space:nowrap}
.hero-stats dd{font-size:13.5px;color:var(--muted);max-width:170px;line-height:1.4;margin-top:4px}
.hero-visual{position:relative;justify-self:center;width:min(420px,100%)}
.photo-card{position:relative;border-radius:28px;overflow:hidden;aspect-ratio:688/1024;box-shadow:0 40px 80px -30px rgba(0,0,0,.7),0 0 0 1px var(--line-2);transform-style:preserve-3d;transition:transform .6s var(--ease)}
.photo-card img{width:100%;height:100%;object-fit:cover;object-position:50% 50%;transform:scale(1.04);animation:kenburns 18s ease-in-out infinite alternate}
@keyframes kenburns{to{transform:scale(1.12) translate(-1.5%,-1%)}}
.photo-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(11,26,19,.65))}
.photo-shine{position:absolute;inset:0;background:radial-gradient(circle at var(--mx,50%) var(--my,30%),rgba(255,255,255,.18),transparent 45%);z-index:1;pointer-events:none;mix-blend-mode:overlay}
.float-badge{position:absolute;display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:18px;background:rgba(15,34,25,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line-2);box-shadow:0 20px 40px -20px rgba(0,0,0,.6);animation:bob 6s ease-in-out infinite;z-index:2}
.float-badge b{display:block;font-size:14px}
.float-badge small{display:block;font-size:12px;color:var(--muted)}
.float-badge svg{width:30px;height:30px;color:var(--orange);flex-shrink:0}
.badge-top{top:9%;left:-14%}
.badge-bottom{bottom:9%;right:-10%;animation-delay:-3s}
.dot{width:11px;height:11px;border-radius:50%;background:#3ddc84;box-shadow:0 0 0 0 rgba(61,220,132,.6);animation:pulse 2s infinite;flex-shrink:0}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(61,220,132,0)}100%{box-shadow:0 0 0 0 rgba(61,220,132,0)}}
@keyframes bob{50%{transform:translateY(-10px)}}
.scroll-hint{position:absolute;left:50%;bottom:26px;width:26px;height:42px;border:2px solid var(--line-2);border-radius:14px;transform:translateX(-50%)}
.scroll-hint span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--orange);animation:wheel 1.8s var(--ease) infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--line);background:var(--brand);padding:20px 0;transform:rotate(-1.2deg) scale(1.02);margin:10px 0 -10px}
.marquee-track{display:flex;align-items:center;gap:34px;width:max-content;animation:marquee 34s linear infinite}
.marquee span{font-family:var(--font-h);font-weight:600;font-size:clamp(18px,2.2vw,26px);text-transform:uppercase;letter-spacing:.02em;white-space:nowrap}
.marquee i{width:12px;height:12px;border-radius:50%;background:var(--orange);flex-shrink:0}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
.section{position:relative;padding:clamp(80px,11vw,140px) 0;z-index:1}
.section-dark{background:var(--bg-2)}
.section-light{background:var(--cream);color:var(--ink)}
.section-light .lead{color:#4b5f53}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:56px}
.section-head>div{max-width:640px}
.section-head h2{margin-bottom:0}
.section-head>.lead{max-width:420px}
.section-head.center{flex-direction:column;align-items:center;text-align:center}
.section-head.center .lead{margin-inline:auto}

/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card,.g-card{position:relative;background:linear-gradient(180deg,var(--surface),rgba(19,43,32,.6));border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;overflow:hidden;transition:transform .5s var(--ease),border-color .4s,box-shadow .5s}
.spot::before{content:"";position:absolute;inset:0;background:radial-gradient(420px circle at var(--x,50%) var(--y,0%),rgba(243,108,53,.14),transparent 45%);opacity:0;transition:opacity .4s;pointer-events:none}
.spot:hover::before{opacity:1}
.card:hover,.g-card:hover{transform:translateY(-6px);border-color:rgba(243,108,53,.4);box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.card-num{position:absolute;top:24px;right:26px;font-family:var(--font-h);font-size:13px;color:var(--muted);opacity:.6}
.card-icon{position:relative;width:76px;height:76px;border-radius:22px;display:grid;place-items:center;margin-bottom:28px;background:radial-gradient(120% 120% at 20% 0%,rgba(243,108,53,.20),rgba(243,108,53,0) 60%),linear-gradient(160deg,#1b3a2b,#10241a);box-shadow:inset 0 1px 0 rgba(255,255,255,.07),inset 0 0 0 1px rgba(243,108,53,.22),0 14px 30px -14px rgba(0,0,0,.7);transition:transform .6s var(--ease),box-shadow .5s}
.card-icon::after{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(140deg,rgba(255,170,130,.55),rgba(243,108,53,0) 45%,rgba(243,108,53,.25));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.card-icon svg{width:44px;height:44px;overflow:visible;filter:drop-shadow(0 4px 10px rgba(243,108,53,.25))}
.card:hover .card-icon{transform:translateY(-3px);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),inset 0 0 0 1px rgba(243,108,53,.45),0 18px 40px -12px rgba(243,108,53,.35)}
.card h3{margin-bottom:10px}
.card p,.g-card p{color:var(--muted);font-size:15px}

/* formula */
.formula{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:stretch;gap:14px}
.formula-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;display:flex;flex-direction:column;gap:6px;transition:transform .5s var(--ease)}
.formula-item:hover{transform:translateY(-4px)}
.formula-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.formula-item b{font-family:var(--font-h);font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.2}
.formula-item small{color:var(--muted);font-size:13.5px}
.formula-item.highlight{border-color:rgba(243,108,53,.45);background:linear-gradient(160deg,rgba(243,108,53,.18),var(--surface) 70%)}
.formula-item.highlight b{color:var(--orange-2)}
.formula-item.total{background:linear-gradient(135deg,var(--orange),#e0551f);border-color:transparent}
.formula-item.total .formula-label,.formula-item.total small{color:rgba(255,255,255,.82)}
.formula-op{align-self:center;font-family:var(--font-h);font-size:30px;color:var(--orange)}
.formula-note{margin:30px auto 0;max-width:760px;text-align:center;color:var(--muted);font-size:14.5px;padding:18px 22px;border:1px dashed var(--line-2);border-radius:var(--radius-sm)}

/* process */
.process-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.process-copy{position:sticky;top:120px}
.process-copy .btn{margin-top:30px}
.timeline{list-style:none;position:relative;padding-left:0}
.timeline::before,.timeline::after{content:"";position:absolute;left:27px;top:28px;bottom:28px;width:2px;border-radius:2px}
.timeline::before{background:var(--line-2)}
.timeline::after{background:linear-gradient(var(--orange),var(--orange-2));transform-origin:top;transform:scaleY(var(--p,0));box-shadow:0 0 14px var(--orange-glow)}
.timeline li{position:relative;display:flex;gap:26px;padding:0 0 34px}
.timeline li:last-child{padding-bottom:0}
.t-num{position:relative;z-index:1;flex-shrink:0;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-family:var(--font-h);font-weight:700;background:var(--bg);border:2px solid var(--line-2);transition:background .5s,border-color .5s,box-shadow .5s,color .5s}
.timeline li.active .t-num{background:var(--orange);border-color:var(--orange);box-shadow:0 0 0 8px rgba(243,108,53,.14);color:#fff}
.timeline li>div{padding:12px 22px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);flex:1;transition:border-color .4s}
.timeline li.active>div{border-color:rgba(243,108,53,.35)}
.timeline h3{margin:6px 0 6px}
.timeline p{color:var(--muted);font-size:15px}

/* guarantees */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.g-wide{grid-column:span 2;display:flex;gap:28px;align-items:center}
.g-big{font-family:var(--font-h);font-size:clamp(64px,7vw,96px);font-weight:800;line-height:.9;color:var(--orange);display:flex;flex-direction:column;flex-shrink:0;text-shadow:0 10px 40px var(--orange-glow)}
.g-big small{font-size:14px;font-weight:600;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-top:10px;text-shadow:none}
.g-card h3{margin-bottom:10px}
.g-ref{display:inline-block;margin-top:16px;font-size:12px;font-weight:700;letter-spacing:.08em;padding:5px 10px;border-radius:8px;background:rgba(243,108,53,.12);color:var(--orange-2)}

/* gallery */
.gallery{display:grid;grid-template-columns:.9fr 1fr 1fr;grid-template-rows:260px 260px;gap:16px}
.g-item{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease),filter .6s}
.g-item:hover img{transform:scale(1.07)}
.g-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(8,20,14,.8))}
.g-cap{position:absolute;left:18px;bottom:16px;right:18px;z-index:1;font-weight:700;font-size:14.5px;display:flex;align-items:center;gap:8px;transform:translateY(4px);transition:transform .5s var(--ease)}
.g-cap::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange)}
.g-item:hover .g-cap{transform:none}
.g-tall{grid-row:span 2}
.g-wide{grid-column:span 2}
.gallery .g-wide{display:block}
.g-tall img{object-position:50% 65%}

/* documents */
.docs-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.section-light .kicker{color:#d95522}
.check-list{list-style:none;margin-top:28px;display:grid;gap:14px}
.check-list li{position:relative;padding-left:38px;font-weight:600}
.check-list li::before{content:"";position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:8px;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12l4 4 8-8'/%3E%3C/svg%3E") center/14px no-repeat}
.req-card{background:#fff;border-radius:28px;padding:34px;box-shadow:0 40px 80px -40px rgba(18,38,28,.35),0 0 0 1px rgba(18,38,28,.06);position:relative;overflow:hidden}
.req-card::before{content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(243,108,53,.18),transparent 70%)}
.req-head{padding-bottom:22px;border-bottom:1px solid rgba(18,38,28,.08);margin-bottom:8px}
.req-head img{height:64px;width:auto}
.req-list div{display:grid;grid-template-columns:160px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid rgba(18,38,28,.06)}
.req-list dt{font-size:13px;color:#6a7d71;font-weight:600}
.req-list dd{font-size:14.5px;font-weight:700;color:var(--ink)}
.req-list dd small{font-weight:500;color:#6a7d71}
.req-card .btn{margin-top:24px}

/* faq */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
.faq{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);transition:border-color .3s,background .3s}
.faq-item.open{border-color:rgba(243,108,53,.4);background:var(--surface-2)}
.faq-q{width:100%;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 24px;font-weight:700;font-size:16.5px}
.faq-icon{position:relative;width:32px;height:32px;border-radius:50%;border:1px solid var(--line-2);flex-shrink:0;transition:transform .5s var(--ease),background .3s,border-color .3s}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;margin:-1px 0 0 -6px;background:currentColor;border-radius:2px}
.faq-icon::after{transform:rotate(90deg);transition:transform .4s var(--ease)}
.faq-item.open .faq-icon{background:var(--orange);border-color:var(--orange);transform:rotate(180deg)}
.faq-item.open .faq-icon::after{transform:rotate(0)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s var(--ease)}
.faq-a>p{overflow:hidden;padding:0 24px;color:var(--muted)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-item.open .faq-a>p{padding-bottom:22px}

/* request */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.contact-card,.form-card{border-radius:28px;padding:40px;border:1px solid var(--line)}
.contact-card{background:radial-gradient(500px 300px at 0 0,rgba(243,108,53,.14),transparent 70%),var(--surface)}
.contact-list{display:grid;gap:2px;margin:30px 0 24px}
.c-row{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.c-row span{color:var(--muted);font-size:13.5px}
.c-row b{font-size:15px}
.c-row a{color:var(--orange-2)}
.c-row a:hover{text-decoration:underline}
.map-card{position:relative;border-radius:18px;overflow:hidden;height:220px;border:1px solid var(--line);background:repeating-linear-gradient(45deg,var(--surface-2) 0 12px,var(--surface) 12px 24px)}
.map-card iframe{width:100%;height:100%;border:0;filter:grayscale(.25) contrast(1.05)}
.map-link{position:absolute;left:12px;bottom:12px;padding:9px 14px;border-radius:12px;background:rgba(11,26,19,.85);backdrop-filter:blur(8px);font-size:13px;font-weight:700;color:#fff;border:1px solid var(--line-2);transition:background .3s}
.map-link:hover{background:var(--orange)}
.form-card{background:var(--surface)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.full{grid-column:1/-1}
.field{position:relative}
.field input,.field textarea{width:100%;padding:24px 18px 10px;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--radius-sm);color:var(--text);font:inherit;font-size:16px;outline:none;transition:border-color .3s,box-shadow .3s}
.field textarea{min-height:130px;resize:vertical}
.field label{position:absolute;left:18px;top:17px;color:var(--muted);font-size:15px;pointer-events:none;transition:transform .3s var(--ease),font-size .3s,color .3s;transform-origin:left top}
.field input:focus,.field textarea:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(243,108,53,.14)}
.field input:focus+label,.field input:not(:placeholder-shown)+label,.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label{transform:translateY(-10px);font-size:12px;color:var(--orange-2)}
.field.error input{border-color:#ff5c5c}
.consent{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);cursor:pointer}
.consent input{width:18px;height:18px;accent-color:var(--orange)}
.status{margin-top:14px;font-size:14px;color:var(--muted);min-height:1.4em}
.status.ok{color:#5be39b}
.status.err{color:#ff8a8a}
.status .copy-lead{display:inline;color:var(--orange-2);text-decoration:underline;font-weight:700}

/* footer */
.site-footer{background:#08140e;padding:70px 0 30px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px}
.footer-about{color:var(--muted);margin-top:18px;max-width:320px;font-size:14.5px}
.footer-title{font-family:var(--font);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:16px}
.footer-links{list-style:none;display:grid;gap:9px;color:var(--muted);font-size:14.5px}
.footer-links a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:50px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}

/* lightbox, toast, mobile cta */
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(5,12,9,.92);backdrop-filter:blur(10px);display:grid;place-items:center;opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s;padding:20px}
.lightbox.open{opacity:1;visibility:visible}
.lightbox figure{max-width:min(1200px,100%);transform:scale(.94);transition:transform .5s var(--ease)}
.lightbox.open figure{transform:none}
.lightbox img{max-height:82vh;width:auto;margin:auto;border-radius:16px}
.lightbox figcaption{text-align:center;color:var(--muted);margin-top:14px;font-size:14px}
.lb-close{position:absolute;top:18px;right:20px;width:48px;height:48px;border-radius:50%;font-size:30px;line-height:1;background:rgba(255,255,255,.08)}
.lb-nav{position:absolute;top:50%;width:52px;height:52px;margin-top:-26px;border-radius:50%;font-size:32px;background:rgba(255,255,255,.08);transition:background .3s}
.lb-nav:hover,.lb-close:hover{background:var(--orange)}
.lb-prev{left:18px}.lb-next{right:18px}
.toast{position:fixed;left:50%;bottom:28px;z-index:310;transform:translate(-50%,30px);opacity:0;padding:14px 22px;border-radius:14px;background:var(--ink);color:#fff;font-weight:700;font-size:14.5px;border:1px solid var(--line-2);box-shadow:0 20px 40px -10px rgba(0,0,0,.5);transition:transform .45s var(--ease),opacity .45s;pointer-events:none}
.toast.show{transform:translate(-50%,0);opacity:1}
.mobile-cta{display:none}


/* ---------- Telegram ---------- */
.btn-tg{background:rgba(255,255,255,.04);backdrop-filter:blur(8px);border-color:rgba(243,108,53,.45)}
.btn-tg svg{width:20px;height:20px;color:var(--orange)}
.btn-tg:hover{background:rgba(243,108,53,.12);border-color:var(--orange);color:#fff}
.tg-icon-btn{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid rgba(243,108,53,.45);color:var(--orange);background:rgba(243,108,53,.08);transition:transform .4s var(--ease),background .3s,color .3s,box-shadow .3s;flex-shrink:0}
.tg-icon-btn svg{width:20px;height:20px;transform:translateX(-1px)}
.tg-icon-btn:hover{background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;transform:translateY(-2px) rotate(-8deg);box-shadow:0 10px 24px -8px var(--orange-glow)}
.tg-card{display:flex;align-items:center;gap:16px;padding:16px 18px;margin-bottom:16px;border-radius:18px;background:linear-gradient(135deg,rgba(243,108,53,.18),rgba(243,108,53,.05));border:1px solid rgba(243,108,53,.4);transition:transform .45s var(--ease),box-shadow .45s,border-color .3s}
.tg-card:hover{transform:translateY(-3px);border-color:var(--orange);box-shadow:0 18px 40px -18px rgba(243,108,53,.55)}
.tg-card-icon{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;flex-shrink:0;background:linear-gradient(135deg,var(--orange),#e0521c);color:#fff;box-shadow:0 10px 24px -8px var(--orange-glow),inset 0 1px 0 rgba(255,255,255,.3)}
.tg-card-icon svg{width:24px;height:24px;transform:translateX(-1px)}
.tg-card-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.tg-card-text b{font-size:16px}
.tg-card-text small{color:var(--muted);font-size:13px;overflow-wrap:anywhere}
.tg-card-arrow{margin-left:auto;font-size:20px;color:var(--orange);transition:transform .4s var(--ease)}
.tg-card:hover .tg-card-arrow{transform:translateX(5px)}
.footer-tg{color:var(--orange-2)!important}
.tg-fab{position:fixed;right:24px;bottom:24px;z-index:95;width:62px;height:62px;border-radius:50%;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--orange),#e0521c);box-shadow:0 16px 36px -10px rgba(243,108,53,.65),inset 0 1px 0 rgba(255,255,255,.35);opacity:0;transform:scale(.6) translateY(20px);pointer-events:none;transition:opacity .45s var(--ease),transform .45s var(--ease),bottom .45s var(--ease)}
.tg-fab.show{opacity:1;transform:none;pointer-events:auto}
.tg-fab svg{width:28px;height:28px;transform:translateX(-1px);position:relative;z-index:1}
.tg-fab-ring{position:absolute;inset:0;border-radius:50%;border:2px solid var(--orange);animation:tgring 2.4s var(--ease) infinite}
@keyframes tgring{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.6);opacity:0}}
.tg-fab:hover{transform:translateY(-3px) scale(1.05)}
.tg-fab-tip{position:absolute;right:76px;top:50%;transform:translate(8px,-50%);white-space:nowrap;padding:9px 14px;border-radius:12px;background:var(--ink);border:1px solid var(--line-2);font-size:13.5px;font-weight:700;opacity:0;pointer-events:none;transition:opacity .3s,transform .4s var(--ease)}
.tg-fab:hover .tg-fab-tip{opacity:1;transform:translate(0,-50%)}
@media (max-width:900px){
  .tg-icon-btn{margin-left:auto;width:42px;height:42px}
  .header-inner{gap:10px}.burger{margin-left:0}
  .tg-fab{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));width:56px;height:56px}
  body.cta-up .tg-fab{bottom:calc(88px + env(safe-area-inset-bottom))}
  .tg-fab-tip{display:none}
}
@media (prefers-reduced-motion:reduce){.tg-fab-ring{display:none}}


/* ---------- living hero scene: day/night + headlights ---------- */
.scene{--n:0;--f:0}
.scene-inner{position:absolute;inset:0;transform:scale(1.04);animation:kenburns 22s ease-in-out infinite alternate;transform-origin:70% 60%}
.photo-card.scene img{animation:none;transform:none;filter:brightness(calc(1 - var(--n) * .4)) saturate(calc(1 - var(--n) * .3)) contrast(calc(1 + var(--n) * .1)) hue-rotate(calc(var(--n) * -8deg))}
.scene-inner>div,.scene-inner>span{position:absolute;pointer-events:none}
.sc-sun{left:-18%;top:22%;width:60%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(255,196,120,.75),rgba(255,140,60,.25) 35%,transparent 65%);mix-blend-mode:screen;opacity:calc((1 - var(--n)) * .9);animation:sunpulse 6s ease-in-out infinite}
@keyframes sunpulse{50%{transform:scale(1.08)}}
.sc-sky{inset:0 0 auto 0;height:50%;background:linear-gradient(180deg,#0c1640 0%,rgba(28,42,100,.6) 50%,transparent 100%);mix-blend-mode:multiply;opacity:calc(var(--n) * .9)}
.sc-night{inset:0;background:linear-gradient(180deg,#2a3f86,#2b4a7a 55%,#22324a);mix-blend-mode:multiply;opacity:calc(var(--n) * .62)}
.sc-night::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 45% at 75% 30%,rgba(140,170,255,.22),transparent 70%);mix-blend-mode:screen}
.sc-stars{left:0;top:0;width:55%;height:34%;opacity:calc(var(--n) * var(--n));background-image:radial-gradient(1.2px 1.2px at 8% 18%,#fff 60%,transparent),radial-gradient(1px 1px at 22% 40%,#fff 60%,transparent),radial-gradient(1.4px 1.4px at 35% 12%,#fff 60%,transparent),radial-gradient(1px 1px at 48% 30%,#fff 60%,transparent),radial-gradient(1.2px 1.2px at 62% 9%,#fff 60%,transparent),radial-gradient(1px 1px at 14% 62%,#fff 60%,transparent),radial-gradient(1.3px 1.3px at 74% 26%,#fff 60%,transparent),radial-gradient(1px 1px at 30% 72%,#fff 60%,transparent),radial-gradient(1px 1px at 86% 14%,#fff 60%,transparent),radial-gradient(1.1px 1.1px at 55% 55%,#fff 60%,transparent);animation:twinkle 3.5s ease-in-out infinite alternate}
@keyframes twinkle{to{filter:brightness(.55)}}
.sc-dapple{inset:-20% -60%;background:linear-gradient(105deg,transparent 40%,rgba(255,214,160,.32) 47%,transparent 54%,transparent 62%,rgba(255,214,160,.2) 66%,transparent 70%);mix-blend-mode:soft-light;opacity:calc(1 - var(--n));animation:dapple 7s linear infinite}
@keyframes dapple{from{transform:translateX(-30%)}to{transform:translateX(30%)}}
.sc-streaks{left:0;top:66%;width:70%;height:34%;overflow:hidden;opacity:calc(.25 + var(--n) * .35)}
.sc-streaks i{position:absolute;left:-30%;height:2px;width:34%;border-radius:2px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.85),transparent);transform:rotate(34deg);transform-origin:left center;animation:streak 1.6s linear infinite}
.sc-streaks i:nth-child(1){top:10%;animation-delay:0s}
.sc-streaks i:nth-child(2){top:35%;animation-delay:.55s;width:24%}
.sc-streaks i:nth-child(3){top:58%;animation-delay:1.05s}
.sc-streaks i:nth-child(4){top:80%;animation-delay:.3s;width:20%}
@keyframes streak{0%{translate:0 0;opacity:0}15%{opacity:1}100%{translate:160% 110%;opacity:0}}
.sc-pool{left:36%;top:64%;width:78%;height:26%;border-radius:50%;background:radial-gradient(ellipse at 50% 22%,rgba(255,214,150,.42),rgba(255,190,120,.14) 42%,transparent 70%);mix-blend-mode:screen;opacity:calc(var(--n) * .85 + var(--f) * .6);transform:scale(calc(1 + var(--f) * .1))}
.lamp{left:var(--x);top:var(--y);border-radius:50%;translate:-50% -50%;mix-blend-mode:screen}
.lamp.hl{width:14%;aspect-ratio:1;background:radial-gradient(circle,#fff 0 9%,rgba(255,250,235,.9) 16%,rgba(255,226,170,.45) 32%,rgba(255,200,130,.12) 52%,transparent 70%);opacity:calc(.3 + var(--n) * .7 + var(--f));transform:scale(calc(1 + var(--n) * .25 + var(--f) * .8));transition:transform .08s,opacity .08s}
.lamp.hl::after{content:"";position:absolute;left:50%;top:50%;width:300%;height:4%;translate:-50% -50%;border-radius:50%;background:linear-gradient(90deg,transparent,rgba(255,245,225,.85) 50%,transparent);opacity:calc(var(--n) * .45 + var(--f) * .9)}
.lamp.fog{width:8%;aspect-ratio:1;background:radial-gradient(circle,rgba(255,250,240,.95) 0 10%,rgba(255,220,160,.4) 34%,transparent 68%);opacity:calc(var(--n) * .9 + var(--f) * .6)}
.lamp.mk{width:3.6%;aspect-ratio:1;background:radial-gradient(circle,#fff 0 18%,rgba(255,190,120,.7) 38%,transparent 70%);opacity:calc(.2 + var(--n) * .8);animation:mk 1.2s steps(2,end) infinite}
.lamp.mk:nth-of-type(odd){animation-delay:.6s}
@keyframes mk{50%{filter:brightness(.6)}}
.sc-chip{position:absolute;right:14px;top:14px;z-index:2;display:flex;align-items:center;gap:8px;padding:7px 12px 7px 8px;border-radius:999px;background:rgba(11,26,19,.62);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line-2);font-size:12.5px}
.sc-chip b{font-weight:700}
.sc-time{font-family:var(--font-h);font-size:11.5px;color:var(--orange-2);font-variant-numeric:tabular-nums;min-width:38px}
.sc-ico{position:relative;width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--orange),#e0521c);display:grid;place-items:center}
.sc-ico svg{position:absolute;width:14px;height:14px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;transition:opacity .6s,transform .6s var(--ease)}
.sc-ico .i-sun circle{fill:#fff}
.sc-ico .i-moon{fill:#fff;stroke:none;opacity:0;transform:rotate(-40deg) scale(.6)}
.scene.is-night .i-sun{opacity:0;transform:rotate(90deg) scale(.6)}
.scene.is-night .i-moon{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.scene{--n:0!important;--f:0!important}.sc-streaks,.sc-dapple{display:none}}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav{gap:0}.nav a{padding:8px 9px;font-size:14px}
  .header-cta{display:none}
  .hero-inner{gap:40px}
  .badge-top{left:-10%}.badge-bottom{right:-8%}
  .formula{grid-template-columns:1fr 1fr;gap:14px}
  .formula-op{display:none}
  .guarantee-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  :root{--header-h:66px}
  .burger{display:block}
  .nav{position:fixed;inset:0;margin:0;flex-direction:column;justify-content:center;align-items:center;gap:6px;background:rgba(8,20,14,.97);backdrop-filter:blur(18px);opacity:0;visibility:hidden;transition:opacity .45s var(--ease),visibility .45s;z-index:-1}
  .nav a{font-family:var(--font-h);font-size:26px;color:var(--text);padding:10px 20px;opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease),color .3s}
  .nav a::after{display:none}
  .menu-open .nav{opacity:1;visibility:visible}
  .menu-open .nav a{opacity:1;transform:none}
  .menu-open .nav a:nth-child(2){transition-delay:.04s}.menu-open .nav a:nth-child(3){transition-delay:.08s}.menu-open .nav a:nth-child(4){transition-delay:.12s}.menu-open .nav a:nth-child(5){transition-delay:.16s}.menu-open .nav a:nth-child(6){transition-delay:.2s}.menu-open .nav a:nth-child(7){transition-delay:.24s}
  .menu-open{overflow:hidden}
  .menu-open .site-header{background:transparent;border-color:transparent;backdrop-filter:none}
  .hero{padding-top:calc(var(--header-h) + 30px);min-height:auto}
  .hero-inner{grid-template-columns:1fr}
  .hero-visual{width:min(360px,86%);margin-top:10px}
  .badge-top{left:-12%}.badge-bottom{right:-12%}
  .scroll-hint{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:40px}
  .card-grid{grid-template-columns:1fr 1fr}
  .process-layout,.docs-layout,.faq-layout,.contact-layout{grid-template-columns:1fr;gap:40px}
  .process-copy{position:static}
  .gallery{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .gallery .g-item{aspect-ratio:4/3}
  .gallery .g-tall{grid-row:span 2;aspect-ratio:auto}
  .gallery .g-wide{grid-column:1/-1;aspect-ratio:16/8}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:first-child{grid-column:1/-1}
  .mobile-cta{display:block;position:fixed;left:0;right:0;bottom:0;z-index:90;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:linear-gradient(180deg,transparent,rgba(8,20,14,.92) 35%);transform:translateY(110%);transition:transform .5s var(--ease)}
  .mobile-cta.show{transform:none}
  .site-footer{padding-bottom:110px}
  .toast{bottom:96px}
}
@media (max-width:600px){
  .container{width:calc(100% - 32px)}
  body{font-size:15.5px}
  .brand-icon{width:32px}.brand-copy strong{font-size:13px}.brand-copy span{font-size:9.5px}
  .hero-title{font-size:clamp(38px,12vw,56px)}
  .hero-stats{grid-template-columns:1fr 1fr;gap:22px 18px;margin-top:36px}
  .hero-stats>div:first-child{grid-column:1/-1}
  .hero-stats dd{max-width:none}
  .actions{flex-direction:column}
  .actions .btn{width:100%}
  .float-badge{padding:10px 13px;border-radius:14px}
  .float-badge b{font-size:12.5px}.float-badge small{font-size:11px}
  .float-badge svg{width:24px;height:24px}
  .badge-top{left:-8%;top:6%}.badge-bottom{right:-8%;bottom:6%}
  .card-grid,.guarantee-grid,.formula{grid-template-columns:1fr}
  .g-wide{grid-column:auto;flex-direction:column;align-items:flex-start;gap:14px}
  .gallery .g-wide{grid-column:1/-1}
  .card,.g-card{padding:26px 22px}
  .gallery{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin-right:-16px;padding-right:16px;scrollbar-width:none}
  .gallery::-webkit-scrollbar{display:none}
  .gallery .g-item{flex:0 0 82%;aspect-ratio:4/5;scroll-snap-align:start}
  .gallery .g-wide{flex-basis:92%;aspect-ratio:4/3}
  .req-card,.contact-card,.form-card{padding:26px 20px;border-radius:22px}
  .req-list div{grid-template-columns:1fr;gap:2px}
  .req-head img{height:52px}
  .c-row{grid-template-columns:1fr;gap:2px}
  .form{grid-template-columns:1fr}
  .faq-q{padding:18px;font-size:15.5px}
  .faq-a>p{padding:0 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .timeline li{gap:16px}
  .t-num{width:46px;height:46px;font-size:14px}
  .timeline::before,.timeline::after{left:22px}
  .lb-nav{display:none}
  .marquee{padding:14px 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal,.hero-title .line>span{opacity:1;transform:none}
  html{scroll-behavior:auto}
}