:root{
  color-scheme: dark;
  --bg:#08090B;
  --bg-surface:#141619;
  --bg-surface-2:#1C1F24;
  --fg:#F5F7FA;
  --fg-muted:#9AA0AC;
  --fg-faint:#5B616C;
  --border:#2A2E35;
  --blue:#2F8CFF;
  --blue-soft:#6AB4FF;
  --blue-glow:rgba(47,140,255,.28);
  --amber:#FFC700;
  --amber-soft:#FFDD66;
  --amber-glow:rgba(255,199,0,.28);
  --green:#39D98A;
  --font-display:'Unbounded', system-ui, sans-serif;
  --font-body:'Manrope', system-ui, sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, Menlo, monospace;
  --gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
}
*{box-sizing:border-box}
svg[hidden]{display:none!important;width:0!important;height:0!important}
html,body{margin:0}
body{
  background:var(--bg);color:var(--fg);font-family:var(--font-body);
  font-size:16px;line-height:1.55;
  padding-left:var(--gutter-l);padding-right:var(--gutter-r);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.1;text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit}
button{font-family:inherit;cursor:pointer}
.wrap{max-width:1180px;margin-inline:auto}
section,.page-section{padding-block:56px}
.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-soft)}
.gradient-electric{background:linear-gradient(90deg,#2F8CFF 0%,#6AE8FF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* breadcrumbs */
.breadcrumbs{font-family:var(--font-mono);font-size:12px;color:var(--fg-faint);padding-block:16px 0;display:flex;gap:6px;flex-wrap:wrap}
.breadcrumbs a{color:var(--fg-muted);text-decoration:none}
.breadcrumbs a:hover{color:var(--blue-soft)}
.breadcrumbs .sep{color:var(--fg-faint)}
.page-title{padding-block:18px 8px}
.page-title h1{font-size:clamp(28px,5vw,42px)}
.page-lede{color:var(--fg-muted);font-size:16px;max-width:68ch;margin-top:14px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:12px;font-weight:700;font-size:15px;border:1px solid transparent;text-decoration:none;white-space:nowrap}
.btn-blue{background:var(--blue);color:#06101E;box-shadow:0 0 18px var(--blue-glow)}
.btn-amber{background:var(--amber);color:#201800;box-shadow:0 0 18px var(--amber-glow)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--fg)}
.btn-ghost:hover{border-color:var(--blue)}
.btn-sm{padding:10px 16px;font-size:13.5px;border-radius:10px}

/* phone / copy */
.copy-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:10px 10px 10px 16px}
.copy-row .num{font-family:var(--font-mono);font-size:16px;letter-spacing:.02em}
.copy-btn{background:var(--bg-surface-2);color:var(--fg);border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:13px;font-weight:600}
.copy-btn:hover{border-color:var(--blue)}
.copy-btn[data-copied="1"]{border-color:var(--green);color:var(--green)}

.phone-cta{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#06101E;font-weight:700;padding:14px 22px;border-radius:12px;text-decoration:none;font-size:15px;box-shadow:0 0 16px var(--blue-glow)}
.phone-cta.amber{background:var(--amber);color:#201800;box-shadow:0 0 16px var(--amber-glow)}
.phone-cta svg{width:18px;height:18px;flex-shrink:0}
/* На десктопе компактной "таблеткой" телефон выглядит только в шапке —
   это утилитарная ссылка в навигации. Везде, где phone-cta — это CTA
   (калькулятор, контактный блок), он остаётся полноценной кнопкой. */
@media (min-width:900px){
  .header-actions .phone-cta{
    background:var(--bg-surface);box-shadow:none;color:var(--fg);
    font-family:var(--font-mono);font-weight:600;font-size:14px;
    padding:8px 16px;border-radius:999px;border:1px solid var(--border);
  }
  .header-actions .phone-cta:hover{border-color:var(--blue);color:var(--blue-soft)}
  .header-actions .phone-cta svg{display:block;width:14px;height:14px;color:var(--blue-soft)}
  .header-actions .phone-cta.amber{
    background:var(--amber);color:#201800;border-color:var(--amber);box-shadow:none;
  }
  .header-actions .phone-cta.amber svg{color:#201800}
  .header-actions .phone-cta.amber:hover{background:var(--amber-soft);border-color:var(--amber-soft)}
}
.phone-hint{font-size:14px;color:var(--fg-muted);font-weight:600}

.placeholder-box{border:1px dashed var(--border);border-radius:16px;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--fg-faint);font-family:var(--font-mono);font-size:13px;padding:24px}
.demo-flag{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--fg-faint);text-transform:uppercase}
.stub-card{opacity:.55}
.stub-tag{font-family:var(--font-mono);font-size:10px;letter-spacing:.05em;text-transform:uppercase;color:var(--fg-faint);border:1px solid var(--border);border-radius:6px;padding:2px 8px;display:inline-block;margin-top:8px}

/* header */
header{position:sticky;top:0;z-index:30;background:rgba(8,9,11,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-row{max-width:1180px;margin-inline:auto;display:flex;align-items:center;justify-content:space-between;padding-block:8px;gap:16px}
.logo{font-family:var(--font-display);font-weight:800;font-size:16px;letter-spacing:.01em;text-decoration:none;color:var(--fg)}
.logo b{color:var(--blue)}
nav.desktop-nav{display:none}
.desktop-nav ul{list-style:none;display:flex;gap:24px;margin:0;padding:0}
.desktop-nav a{font-size:13.5px;font-weight:600;color:var(--fg-muted);text-decoration:none}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--fg)}
.header-actions{display:none;align-items:center;gap:10px}
.header-actions .phone-cta{padding:7px 14px;font-size:13.5px}
.header-actions .btn{padding:9px 16px;font-size:13.5px;border-radius:10px}
.burger{width:44px;height:44px;border-radius:10px;border:1px solid var(--border);background:var(--bg-surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;flex-shrink:0}
.burger span{width:20px;height:2px;background:var(--fg);display:block;transition:transform .25s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

#mobileMenu{position:fixed;inset:0;z-index:50;background:var(--bg);padding:calc(env(safe-area-inset-top,0px) + 18px) var(--gutter-r) 24px var(--gutter-l);display:flex;flex-direction:column;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .25s ease}
#mobileMenu.open{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-menu-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}
.menu-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--border);background:var(--bg-surface);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--fg)}
.menu-close svg{width:20px;height:20px}
.mobile-menu-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.mobile-menu-links a{display:block;padding:14px 4px;font-family:var(--font-display);font-size:22px;font-weight:700;text-decoration:none;color:var(--fg);border-bottom:1px solid var(--border)}
.mobile-menu-links a:active,.mobile-menu-links a:hover{color:var(--blue-soft)}
.mobile-menu-bottom{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:24px}
@media (prefers-reduced-motion:reduce){#mobileMenu{transition:none}.burger span{transition:none}}

/* hero */
.hero{padding-block:56px 48px}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(34px,7vw,56px)}
.hero-sub{margin-top:18px;color:var(--fg-muted);font-size:17px;max-width:46ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-visual{aspect-ratio:4/3;border-radius:22px;background:var(--bg-surface);border:1px solid var(--border);box-shadow:0 0 60px var(--blue-glow);position:relative;overflow:hidden}
.hero-visual::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(47,140,255,.25),transparent 55%);pointer-events:none;z-index:2}
.photo-carousel-track{display:flex;width:100%;height:100%;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.photo-carousel-track::-webkit-scrollbar{display:none}
.photo-carousel-track img{flex:0 0 100%;width:100%;height:100%;object-fit:cover;scroll-snap-align:start;scroll-snap-stop:always}
.photo-carousel-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:6px;z-index:3}
.photo-carousel-dots button{width:7px;height:7px;padding:0;border:none;border-radius:50%;background:rgba(255,255,255,.35);cursor:pointer;transition:width .2s ease,background .2s ease}
.photo-carousel-dots button.active{width:18px;border-radius:4px;background:var(--blue-soft)}
.stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding-block:32px;border-block:1px solid var(--border)}
.stat-num{font-family:var(--font-mono);font-size:clamp(26px,5vw,34px);font-weight:700;color:var(--fg)}
.stat-label{color:var(--fg-muted);font-size:13px;margin-top:4px}

/* sections / content */
.section-head{max-width:60ch;margin-bottom:36px}
.section-head h2{font-size:clamp(26px,4vw,36px);margin-top:10px}
.seo-copy{color:var(--fg-muted);font-size:15.5px;max-width:72ch;line-height:1.7}
.seo-copy + .seo-copy{margin-top:14px}

.service-grid{display:grid;grid-template-columns:1fr;gap:16px}
.service-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:16px;padding:22px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;text-decoration:none;color:var(--fg);display:flex;flex-direction:column;gap:12px}
.service-card:hover{border-color:var(--blue);box-shadow:0 0 30px var(--blue-glow);transform:translateY(-2px)}
.icon-badge{width:44px;height:44px;border-radius:12px;background:var(--bg-surface-2);display:flex;align-items:center;justify-content:center;color:var(--blue-soft);flex-shrink:0}
.icon-badge svg{width:22px;height:22px}
.service-card h3{font-size:17px}
.service-card p{color:var(--fg-muted);font-size:14px}
.service-card .more{font-family:var(--font-mono);font-size:12px;color:var(--blue-soft);margin-top:auto}
.service-card.urgent{border-color:rgba(255,199,0,.4)}
.service-card.urgent .icon-badge{color:var(--amber)}
.service-card.urgent:hover{border-color:var(--amber);box-shadow:0 0 30px var(--amber-glow)}
.service-card.urgent .more{color:var(--amber-soft)}

.service-block{padding-block:44px;border-top:1px solid var(--border);scroll-margin-top:90px}
.service-block h2{font-size:24px;margin-bottom:6px}
.service-block .eyebrow{display:block;margin-bottom:8px}
.service-block ul{margin:16px 0;padding-left:20px;color:var(--fg-muted);font-size:14.5px;line-height:1.8}
.block-ctas{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}

.safety-list{display:grid;gap:10px;margin:20px 0}
.safety-item{display:flex;gap:14px;align-items:flex-start;background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
.safety-item .num{font-family:var(--font-mono);color:var(--amber);font-weight:700;flex-shrink:0}
.safety-item p{color:var(--fg-muted);font-size:14.5px}

.contact-block{background:var(--bg-surface);border:1px solid var(--border);border-radius:20px;padding:28px;display:grid;gap:18px}
.contact-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.contact-label{font-size:11px;color:var(--fg-faint);text-transform:uppercase;letter-spacing:.06em;font-family:var(--font-mono);width:100%;margin-bottom:2px}

.rating-summary{display:flex;align-items:center;gap:18px;margin-bottom:26px;flex-wrap:wrap}
.rating-num{font-family:var(--font-mono);font-size:40px;color:var(--amber-soft)}
.stars{color:var(--amber);font-size:14px;letter-spacing:2px}

/* calculator */
.calc-panel{background:var(--bg-surface);border:1px solid var(--border);border-radius:20px;padding:28px;display:grid;gap:18px}
.calc-row{display:grid;grid-template-columns:1fr;gap:12px}
.calc-field label{display:block;font-size:13px;color:var(--fg-muted);margin-bottom:6px}
.calc-field select,.calc-field input{width:100%;background:var(--bg-surface-2);border:1px solid var(--border);color:var(--fg);border-radius:10px;padding:12px 14px;font-family:var(--font-body);font-size:15px}
.calc-result{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid var(--border);padding-top:18px}
.calc-price{font-family:var(--font-mono);font-size:clamp(24px,5vw,30px);color:var(--amber-soft)}
.calc-note{font-size:12px;color:var(--fg-faint)}
.calc-ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}

/* калькулятор — каталог + корзина */
.object-type-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.obj-chip{cursor:pointer}
.obj-chip input{position:absolute;opacity:0;pointer-events:none}
.obj-chip span{display:inline-block;padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:var(--bg-surface);font-size:13.5px;font-weight:600;color:var(--fg-muted);transition:border-color .15s ease,color .15s ease}
.obj-chip input:checked + span{border-color:var(--blue);color:var(--fg);background:var(--bg-surface-2)}

.calc-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:start}
@media (min-width:960px){.calc-grid{grid-template-columns:1.3fr .95fr}}

.catalog-category{margin-bottom:30px}
.catalog-category h3{font-family:var(--font-display);font-size:16px;font-weight:700;margin-bottom:10px}
.catalog-item{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--border);flex-wrap:wrap}
.catalog-item-name{flex:1 1 200px;font-size:14.5px;min-width:0}
.catalog-item-price{font-size:12.5px;color:var(--fg-faint);margin-top:4px}
.qty-stepper{display:flex;align-items:center;gap:4px;background:var(--bg-surface);border:1px solid var(--border);border-radius:10px;padding:4px}
.qty-stepper button{width:26px;height:26px;border-radius:7px;border:none;background:var(--bg-surface-2);color:var(--fg);font-size:16px;line-height:1;cursor:pointer}
.qty-stepper button:hover{background:var(--border)}
.qty-stepper input{width:34px;text-align:center;background:transparent;border:none;color:var(--fg);font-family:var(--font-mono);font-size:14px}
.qty-stepper input::-webkit-outer-spin-button,.qty-stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

.pkg-card{display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--bg-surface);border:1px solid var(--border);border-radius:14px;padding:14px 16px;margin-bottom:10px;flex-wrap:wrap}
.pkg-name{font-size:14.5px;font-weight:600}
.pkg-price{font-size:13px;color:var(--amber-soft);margin-top:4px}

.cart-panel{background:var(--bg-surface);border:1px solid var(--border);border-radius:20px;padding:24px}
.cart-empty{color:var(--fg-faint);font-size:13.5px;text-align:center;padding:24px 0}
.cart-line{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:13.5px}
.cart-remove{width:22px;height:22px;flex-shrink:0;border-radius:6px;border:1px solid var(--border);background:transparent;color:var(--fg-faint);font-size:14px;line-height:1;cursor:pointer}
.cart-remove:hover{border-color:var(--amber);color:var(--amber-soft)}
.night-toggle{display:flex;align-items:flex-start;gap:10px;margin-top:16px;font-size:13px;color:var(--fg-muted);cursor:pointer}
.night-toggle input{margin-top:3px;flex-shrink:0}

/* статьи блога */
.article-hero{aspect-ratio:16/7;border-radius:22px;background:var(--bg-surface);border:1px solid var(--border);box-shadow:0 0 50px var(--blue-glow);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;margin-top:18px}
.article-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 25% 25%,rgba(47,140,255,.22),transparent 55%);pointer-events:none}
.article-hero svg{width:62%;max-width:280px;height:auto;position:relative;z-index:1}
.spark-amber{filter:drop-shadow(0 0 10px rgba(255,199,0,.65))}
.article-body{max-width:74ch}
.article-body .seo-copy{max-width:none}
.callout{background:var(--bg-surface);border:1px solid var(--border);border-left:3px solid var(--amber);border-radius:12px;padding:16px 18px;margin:22px 0;font-size:14.5px;color:var(--fg-muted);max-width:74ch}
.callout b{color:var(--fg)}
.article-meta{display:flex;gap:10px;align-items:center;margin-top:10px;font-family:var(--font-mono);font-size:12px;color:var(--fg-faint)}

/* мини-прайс внутри блока услуги */
.price-mini{list-style:none;margin:18px 0 0;padding:14px 16px;border:1px solid var(--border);border-radius:14px;background:var(--bg-surface)}
.price-mini li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:7px 0;font-size:13.5px;color:var(--fg-muted)}
.price-mini li + li{border-top:1px solid var(--border)}
.price-mini b{font-family:var(--font-mono);font-weight:600;color:var(--amber-soft);white-space:nowrap}

.blog-grid{display:grid;grid-template-columns:1fr;gap:16px}
.blog-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--fg)}
.blog-card .tag{font-family:var(--font-mono);font-size:11px;color:var(--blue-soft);letter-spacing:.06em;text-transform:uppercase}
.blog-card h3{font-size:16px;font-weight:700}
.blog-card p{color:var(--fg-muted);font-size:13.5px}

.review-grid{display:grid;grid-template-columns:1fr;gap:16px}
.review-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:16px;padding:20px}
.review-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.review-name{font-weight:700;font-size:14.5px}
.review-date{font-size:12px;color:var(--fg-faint);font-family:var(--font-mono)}
.review-text{color:var(--fg-muted);font-size:14px}

footer{border-top:1px solid var(--border);padding-block:48px 100px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
.footer-col h4{font-family:var(--font-display);font-size:14px;margin-bottom:12px}
.footer-col p,.footer-col a{color:var(--fg-muted);font-size:13.5px;text-decoration:none;display:block;margin-bottom:8px}
.footer-bottom{margin-top:32px;padding-top:20px;border-top:1px solid var(--border);color:var(--fg-faint);font-size:12px}

.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:35;background:rgba(8,9,11,.92);backdrop-filter:blur(10px);border-top:1px solid var(--border);padding:10px var(--gutter-r) calc(10px + env(safe-area-inset-bottom,0px)) var(--gutter-l);display:flex;gap:10px}
.sticky-bar .btn{flex:1}

@media (min-width:720px){
  .hero-grid{grid-template-columns:1.05fr .95fr}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .blog-grid{grid-template-columns:repeat(3,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(4,1fr)}
  .calc-row{grid-template-columns:1fr 1fr}
}
@media (min-width:960px){.service-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:900px){
  nav.desktop-nav{display:block}
  .header-actions{display:flex}
  .burger{display:none}
  .sticky-bar{display:none}
}