/* Steel Groups — дизайн-система сайта. Один файл, без внешних библиотек. */
:root{
  --o:#F97316; --o-d:#EA6A0B; --o-l:#FB923C; --o-bg:#FFF7ED; --o-br:#FED7AA;
  --ink:#111827; --ink2:#374151; --ink3:#6B7280; --ink4:#9CA3AF;
  --line:#E9EDF2; --line2:#F1F4F8; --soft:#F7F9FB; --bg:#FAFBFC;
  --ok:#16A34A; --warn:#C98A00; --blue:#2563EB;
  --wrap:1520px; --r:22px; --r-s:14px; --r-xs:10px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 1px 2px rgba(16,24,40,.04),0 18px 40px -26px rgba(16,24,40,.22);
  --sh-3:0 2px 4px rgba(16,24,40,.04),0 34px 64px -30px rgba(16,24,40,.28);
  --ease:cubic-bezier(.22,.8,.24,1);
  --f:"Inter",-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",system-ui,Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--f);font-size:15.5px;line-height:1.6;
  -webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
img{max-width:100%;display:block}
a{color:var(--o-d);text-decoration:none}
a:hover{text-decoration:none}
button,input,select,textarea{font-family:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 40px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- Шапка ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink3)}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:6px 24px;align-items:center;justify-content:space-between;
  padding-top:9px;padding-bottom:9px}
.topbar a{color:var(--ink2)}
.topbar a:hover{color:var(--o-d)}
header.site{background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
header.site .wrap{display:flex;align-items:center;gap:20px;padding-top:12px;padding-bottom:12px}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;font-size:19.5px;color:var(--ink);
  letter-spacing:-.02em;flex:0 0 auto;white-space:nowrap}
.logo .mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(160deg,#374151,#111827);
  color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16)}
.logo span{color:var(--ink3);font-weight:600}
nav.main{display:flex;gap:2px;flex:1;flex-wrap:wrap}
nav.main a{padding:8px 11px;border-radius:11px;color:var(--ink2);font-size:14px;font-weight:500;
  transition:.2s var(--ease)}
nav.main a:hover{background:var(--soft);color:var(--ink)}
nav.main a.on{color:var(--o-d);background:rgba(249,115,22,.08);font-weight:600}
.hd-cta{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.hd-phone{font-weight:700;font-size:17px;color:var(--ink);white-space:nowrap;letter-spacing:-.01em;line-height:1.15}
.hd-phone:hover{color:var(--o-d)}
.hd-phone small{display:block;font-weight:400;font-size:11.5px;color:var(--ink3);letter-spacing:0}

/* ---------- Кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;
  border-radius:var(--r-s);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  line-height:1.3;text-align:center;position:relative;overflow:hidden;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .3s var(--ease),background .2s,border-color .2s,color .2s}
.btn:active{transform:scale(.985)}
.btn-p{background:linear-gradient(180deg,var(--o-l),var(--o));color:#fff;
  box-shadow:0 1px 0 rgba(255,255,255,.28) inset,0 10px 22px -9px rgba(249,115,22,.75)}
.btn-p:hover{color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.28) inset,0 16px 30px -10px rgba(249,115,22,.85)}
.btn-p::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.32) 50%,transparent 65%);
  transform:translateX(-120%);transition:transform .75s var(--ease)}
.btn-p:hover::after{transform:translateX(120%)}
.btn-o{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-o:hover{border-color:#D7DEE7;box-shadow:var(--sh-2);color:var(--ink)}
.btn-d{background:var(--ink);color:#fff}
.btn-d:hover{background:#1F2937;color:#fff}
.btn-wa{background:#25D366;color:#fff;box-shadow:0 10px 22px -10px rgba(37,211,102,.8)}
.btn-wa:hover{background:#1DA851;color:#fff}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:12px}
.btn-lg{padding:15px 28px;font-size:15.5px;border-radius:16px}
.btn-full{width:100%}

/* ---------- Первый экран ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fff 0%,#FBFCFD 55%,#F6F8FA 100%);padding:52px 0 46px}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(17,24,39,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(17,24,39,.055) 1px,transparent 1px),
    linear-gradient(rgba(17,24,39,.026) 1px,transparent 1px),
    linear-gradient(90deg,rgba(17,24,39,.026) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  -webkit-mask-image:radial-gradient(115% 90% at 68% 35%,#000 5%,transparent 76%);
  mask-image:radial-gradient(115% 90% at 68% 35%,#000 5%,transparent 76%)}
.hero .wrap{position:relative}
.hero .cols{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:44px;align-items:center}
.hero h1{margin:0 0 16px;font-size:clamp(32px,3vw,50px);line-height:1.06;letter-spacing:-.035em;
  font-weight:700;max-width:15em;color:var(--ink)}
.hero h1 em{font-style:normal;color:var(--o)}
.hero p.sub{color:var(--ink3);font-size:17px;max-width:40em;margin:0 0 28px;line-height:1.6}
.hero .acts{display:flex;flex-wrap:wrap;gap:12px}
.hero .facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:34px}
.hero .facts div{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:18px;
  padding:16px 18px;backdrop-filter:blur(8px);transition:.3s var(--ease)}
.hero .facts div:hover{background:#fff;box-shadow:var(--sh-2);transform:translateY(-3px)}
.hero .facts b{display:block;font-size:22px;font-weight:700;letter-spacing:-.03em;color:var(--ink);line-height:1.2}
.hero .facts span{font-size:12.5px;color:var(--ink3)}
.hero .shot{border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-3);
  aspect-ratio:16/10;background:var(--soft)}
.hero .shot img{width:100%;height:100%;object-fit:cover}
.eyebrow{display:inline-flex;align-items:center;gap:9px;height:30px;padding:0 13px 0 9px;border-radius:99px;
  background:rgba(249,115,22,.09);color:var(--o-d);font-size:12.5px;font-weight:600;
  border:1px solid rgba(249,115,22,.18);margin-bottom:18px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--o);animation:pulse 2.4s infinite;font-style:normal}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(249,115,22,.55)}70%{box-shadow:0 0 0 7px rgba(249,115,22,0)}}

/* ---------- Секции и типографика ---------- */
main{padding-bottom:20px;background:#fff}
section.blk{padding:52px 0 4px}
h1.page{font-size:clamp(29px,2.6vw,44px);letter-spacing:-.035em;margin:0 0 12px;line-height:1.08;font-weight:700}
h1.page em{font-style:normal;color:var(--o)}
h2{font-size:clamp(23px,1.9vw,32px);letter-spacing:-.03em;margin:38px 0 14px;font-weight:700;line-height:1.15}
h3{font-size:18.5px;margin:26px 0 8px;font-weight:600;letter-spacing:-.02em}
p{margin:0 0 14px}
.lead{font-size:16.5px;color:var(--ink3);max-width:62em;line-height:1.62}
.muted{color:var(--ink3);font-size:13.5px}
.crumbs{font-size:12.5px;color:var(--ink4);padding:18px 0 4px}
.crumbs a{color:var(--ink4)}
.crumbs a:hover{color:var(--o-d)}
.crumbs span{margin:0 7px;opacity:.55}

/* ---------- Карточки и сетки ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;box-shadow:var(--sh-2)}
.card h3{margin-top:0}
a.card{color:inherit;display:flex;flex-direction:column;transition:.35s var(--ease)}
a.card:hover{border-color:#DFE6EE;box-shadow:var(--sh-3);transform:translateY(-4px)}
a.card .more{color:var(--o-d);font-weight:600;font-size:14px;margin-top:12px;display:inline-block;
  transition:.25s var(--ease)}
a.card:hover .more{transform:translateX(3px)}
.card .price{font-size:21px;font-weight:700;color:var(--ink);letter-spacing:-.025em}
.card .price small{font-size:13px;font-weight:400;color:var(--ink3)}
.card.ph{padding:0;overflow:hidden}
.card.ph .pic{aspect-ratio:3/2;overflow:hidden;background:var(--soft);position:relative}
.card.ph .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
a.card.ph:hover .pic img{transform:scale(1.06)}
.card.ph .pic b{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);border-radius:9px;padding:4px 10px;font-size:11px;font-weight:600;color:var(--ink2)}
.card.ph .bd{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.figure{border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);
  aspect-ratio:16/10;background:var(--soft)}
.figure img{width:100%;height:100%;object-fit:cover}
.tile-list{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0}
.tile-list a{background:#fff;border:1px solid var(--line);color:var(--ink2);border-radius:11px;
  padding:8px 14px;font-size:13.5px;font-weight:500;transition:.25s var(--ease)}
.tile-list a:hover{border-color:var(--o);color:var(--o-d);box-shadow:var(--sh-2);transform:translateY(-2px)}

/* ---------- Таблицы ---------- */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff;margin:18px 0;
  box-shadow:var(--sh-2)}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th{background:#fff;text-align:left;padding:14px 20px;font-size:10.5px;font-weight:600;text-transform:uppercase;
  letter-spacing:.08em;color:var(--ink4);border-bottom:1px solid var(--line2);white-space:nowrap}
td{padding:14px 20px;border-bottom:1px solid var(--line2);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr{transition:background .22s var(--ease)}
tbody tr:hover{background:#FCFDFE}
td.nw,th.nw{white-space:nowrap}
td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
td b a{color:var(--ink)}
td b a:hover{color:var(--o-d)}
td .thumb{width:56px;height:42px;border-radius:9px;object-fit:cover;border:1px solid var(--line)}

/* ---------- Ценовой блок ---------- */
.pricebox{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;margin:22px 0;
  box-shadow:var(--sh-3);position:relative;overflow:hidden}
.pricebox::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--o-l),var(--o))}
.pricebox .row{display:flex;flex-wrap:wrap;gap:22px;align-items:flex-end;justify-content:space-between}
.pricebox .val{font-size:38px;font-weight:700;letter-spacing:-.035em;line-height:1.1;color:var(--o)}
.pricebox .val small{font-size:15px;font-weight:500;color:var(--ink3);letter-spacing:0}
.pricebox .lbl{font-size:13px;color:var(--ink3);margin-bottom:3px}
.pricebox .acts{display:flex;gap:10px;flex-wrap:wrap}
.disclaimer{font-size:12.5px;color:var(--ink4);margin-top:14px;padding-top:14px;border-top:1px solid var(--line2)}

/* ---------- Плашки ---------- */
.note{border:1px solid var(--o-br);background:var(--o-bg);padding:16px 20px;border-radius:16px;margin:18px 0;
  font-size:14.5px;color:var(--ink2)}
.note.warn{border-color:#FDE68A;background:#FFFBEB}
.note.ok{border-color:#BBF7D0;background:#F0FDF4}
.badge{display:inline-block;background:#FFEDD5;color:#C2410C;border:0;border-radius:8px;padding:3px 10px;
  font-size:11px;font-weight:600;white-space:nowrap}
.badge.gray{background:#E2E8F0;color:#475569}
.badge.green{background:#DCFCE7;color:#15803D}
.badge.blue{background:#DBEAFE;color:#1D4ED8}

/* ---------- Калькулятор ---------- */
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--sh-3)}
.calc h3{margin:0 0 4px;font-size:20px;letter-spacing:-.02em}
.calc .hint{font-size:13.5px;color:var(--ink3);margin-bottom:18px}
.frow{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
label.f{display:block;font-size:13px;color:var(--ink3);font-weight:500;margin-bottom:6px}
input.f,select.f,textarea.f{width:100%;padding:0 14px;height:46px;border:1px solid var(--line);
  border-radius:12px;font-size:15px;font-weight:500;background:#fff;color:var(--ink);
  transition:.2s var(--ease);outline:none}
textarea.f{height:auto;padding:12px 14px;font-weight:400;line-height:1.5}
select.f{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='m4 6 4 4 4-4' stroke='%239CA3AF' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
input.f:focus,select.f:focus,textarea.f:focus{border-color:var(--o);box-shadow:0 0 0 4px rgba(249,115,22,.13)}
.calc-out{margin-top:20px;background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:20px}
.calc-out .line{display:flex;justify-content:space-between;gap:12px;padding:6px 0;font-size:15px;color:var(--ink2)}
.calc-out .line b{font-variant-numeric:tabular-nums;color:var(--ink)}
.calc-out .total{border-top:1px solid var(--line);margin-top:10px;padding-top:12px;font-size:15px}
.calc-out .total b{font-size:26px;font-weight:700;letter-spacing:-.03em;color:var(--o)}
.calc-out .acts{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}

/* ---------- Форма заявки / КП ---------- */
.leadform{background:linear-gradient(120deg,#111827,#1F2937 60%,#374151);color:#fff;border-radius:26px;
  padding:38px 40px;position:relative;overflow:hidden}
.leadform::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-mask-image:radial-gradient(80% 100% at 85% 40%,#000,transparent 72%);
  mask-image:radial-gradient(80% 100% at 85% 40%,#000,transparent 72%)}
.leadform>*{position:relative}
.leadform h3{margin:0 0 8px;color:#fff;font-size:26px;letter-spacing:-.03em}
.leadform p{color:#C3CBD6;font-size:14.5px}
.leadform input.f,.leadform textarea.f,.leadform select.f{background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.14);color:#fff}
.leadform input.f::placeholder,.leadform textarea.f::placeholder{color:#8B95A0}
.leadform input.f:focus,.leadform textarea.f:focus,.leadform select.f:focus{
  background:rgba(255,255,255,.1);border-color:var(--o);box-shadow:0 0 0 4px rgba(249,115,22,.18)}
.leadform label.f{color:#9CA7B3}
.formnote{font-size:12.5px;color:#8B95A0;margin-top:14px}
.okmsg{display:none;background:rgba(22,163,74,.14);border:1px solid rgba(34,197,94,.4);color:#86EFAC;
  padding:15px 18px;border-radius:14px;margin-top:16px;font-size:14.5px}

/* ---------- FAQ ---------- */
details.faq{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0;margin-bottom:12px;
  overflow:hidden;transition:.3s var(--ease)}
details.faq:hover{box-shadow:var(--sh-2);border-color:#DFE6EE}
details.faq summary{cursor:pointer;padding:18px 24px;font-weight:600;font-size:16px;list-style:none;
  position:relative;padding-right:52px;letter-spacing:-.015em}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"";position:absolute;right:22px;top:19px;width:20px;height:20px;
  border-radius:50%;border:1px solid var(--line);
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='m4 6 4 4 4-4' stroke='%23F97316' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/11px no-repeat;
  transition:transform .3s var(--ease)}
details.faq[open] summary::after{transform:rotate(180deg)}
details.faq .a{padding:0 24px 20px;color:var(--ink3);font-size:15px}
details.faq[open] summary{border-bottom:1px solid var(--line2)}
details.faq[open] .a{padding-top:16px}

/* ---------- Подвал ---------- */
footer.site{background:var(--soft);border-top:1px solid var(--line);color:var(--ink3);
  padding:48px 0 28px;margin-top:56px;font-size:14px}
footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;
  padding-bottom:28px;border-bottom:1px solid var(--line)}
footer.site h4{color:var(--ink);font-size:12px;margin:0 0 14px;text-transform:uppercase;letter-spacing:.08em;font-weight:600}
footer.site a{color:var(--ink3);display:block;padding:4px 0;font-size:14px;transition:color .2s}
footer.site a:hover{color:var(--o-d)}
footer.site .btm{padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--ink4)}

/* ---------- Плавающие кнопки ---------- */
.floats{position:fixed;right:22px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:12px}
.floats a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:22px;
  box-shadow:0 10px 26px -8px rgba(0,0,0,.45);transition:.28s var(--ease)}
.floats a:hover{transform:translateY(-3px) scale(1.04)}
.floats .wa{background:#25D366}
.floats .tg{background:#2AABEE}

@media(max-width:1200px){
  .wrap{padding:0 24px}
  .hero .cols{grid-template-columns:1fr}
  .hero .shot{display:none}
}
@media(max-width:900px){
  header.site .wrap{flex-wrap:wrap;gap:12px}
  nav.main{order:3;width:100%;gap:0;overflow-x:auto;flex-wrap:nowrap}
  nav.main a{padding:7px 10px;font-size:13.5px;white-space:nowrap}
  .hero{padding:36px 0 34px}
  .leadform{padding:26px 22px;border-radius:20px}
  section.blk{padding:38px 0 4px}
  .pricebox .val{font-size:30px}
}
@media print{header.site,.floats,footer.site,.leadform,.topbar{display:none}}