/* Layout: concrete-grey page, technical "spec sheet" sections, signal-orange only on calls to action and prices */
:root{
  --bg:#eceeef; --surface:#f8f9f9; --ink:#17191b; --muted:#5b6266; --line:#cfd4d6;
  --signal:#e2551b; --signal-ink:#ffffff; --hazard:#1d2023;
  --f-display:"Tektur","Arial Narrow",Impact,sans-serif;
  --f-body:"Golos Text",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#141617; --surface:#1c1f21; --ink:#e8eaeb; --muted:#9aa2a6; --line:#30353a;
  --signal:#f06a2f; --signal-ink:#140a05; --hazard:#0c0d0e; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#141617; --surface:#1c1f21; --ink:#e8eaeb; --muted:#9aa2a6; --line:#30353a;
  --signal:#f06a2f; --signal-ink:#140a05; --hazard:#0c0d0e; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.55;margin:0}
.wrap{max-width:1120px;margin:0 auto;padding-inline:20px}
h1,h2,h3{font-family:var(--f-display);line-height:1.08;text-wrap:balance;margin:0}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:800;letter-spacing:-.01em}
h3{font-size:1.15rem;font-weight:600}
p{margin:0}
a{color:inherit}
.label{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border:0;border-radius:4px;background:var(--signal);color:var(--signal-ink);font:600 1rem var(--f-body);text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink)}

/* top bar */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:var(--bg);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px;flex-wrap:wrap}
.logo{font-family:var(--f-display);font-weight:800;font-size:1.25rem;text-decoration:none;letter-spacing:-.01em}
.logo span{color:var(--signal)}
.phones{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.phones a{font-family:var(--f-mono);font-weight:500;text-decoration:none;white-space:nowrap}
.phones small{display:block;color:var(--muted);font-size:.72rem}
nav.menu{display:flex;gap:20px;font-size:.92rem}
nav.menu a{text-decoration:none;color:var(--muted)}
nav.menu a:hover{color:var(--ink)}
@media (max-width:860px){nav.menu{display:none}}

/* hazard stripe */
.stripe{height:10px;background:repeating-linear-gradient(-45deg,var(--signal) 0 14px,var(--hazard) 14px 28px)}

/* hero */
.hero{padding-block:56px 48px}
.hero .grid{display:grid;grid-template-columns:1.25fr .9fr;gap:40px;align-items:start}
@media (max-width:860px){.hero .grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(2.2rem,5.6vw,4rem);font-weight:800;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero .lead{font-size:1.15rem;color:var(--muted);max-width:56ch;margin-top:18px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:36px;border-top:2px solid var(--ink)}
.facts div{padding:14px 12px 0 0}
.facts b{display:block;font-family:var(--f-display);font-size:1.8rem;font-weight:800}
.facts span{font-size:.88rem;color:var(--muted)}
@media (max-width:480px){.facts{grid-template-columns:1fr 1fr}}

.ticket{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px;display:grid;gap:14px}
.ticket h3{font-size:1.3rem}
.ticket ul{list-style:none;margin:0;padding:0;display:grid;gap:0}
.ticket li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:.95rem}
.ticket li .num{color:var(--signal);white-space:nowrap}

/* sections */
section.block{padding-block:64px;border-top:1px solid var(--line)}
.head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.head p{color:var(--muted);max-width:52ch}

/* services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media (max-width:900px){.svc{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.svc{grid-template-columns:1fr}}
.svc article{background:var(--surface);padding:22px;display:grid;gap:10px;align-content:start;min-width:0}
.svc article p{color:var(--muted);font-size:.94rem}
.svc .from{font-family:var(--f-mono);font-size:.95rem}
.svc .from b{color:var(--signal);font-weight:500}

/* price table */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
table{width:100%;border-collapse:collapse;min-width:520px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);font-size:.95rem}
th{font-family:var(--f-mono);font-weight:500;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
td.p{font-family:var(--f-mono);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
th.p{text-align:right}
tr.group td{font-family:var(--f-display);font-weight:600;background:var(--bg);font-size:1rem}
.note{font-size:.88rem;color:var(--muted);margin-top:12px}

/* calculator */
.calc{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}
@media (max-width:860px){.calc{grid-template-columns:1fr}}
.calc .rows{display:grid;gap:10px}
.crow{display:grid;grid-template-columns:1fr 110px;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:10px 14px}
.crow label{font-size:.95rem}
.crow label small{display:block;color:var(--muted);font-family:var(--f-mono);font-size:.75rem}
.crow input{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--ink);font:500 1rem var(--f-mono);text-align:right}
.result{background:var(--hazard);color:#eef0f1;border-radius:6px;padding:24px;display:grid;gap:14px;align-content:start}
.result .label{color:#9aa2a6}
.result .line{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid #353a3e;padding-bottom:10px;font-size:.95rem}
.result .total{font-family:var(--f-display);font-size:2.4rem;font-weight:800;color:#f06a2f}
.result p{font-size:.85rem;color:#9aa2a6}
.chk{display:flex;gap:10px;align-items:center;font-size:.95rem;margin-top:6px}
.chk input{width:18px;height:18px;accent-color:var(--signal)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.steps li{list-style:none;counter-increment:s;border-top:3px solid var(--ink);padding-top:12px;display:grid;gap:6px}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--f-mono);color:var(--signal);font-size:.85rem}
.steps p{color:var(--muted);font-size:.92rem}
.steps ol{margin:0;padding:0}

/* why */
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 40px}
@media (max-width:700px){.why{grid-template-columns:1fr}}
.why div{display:grid;gap:6px}
.why p{color:var(--muted)}

/* areas */
.areas{display:flex;flex-wrap:wrap;gap:8px}
.areas span{border:1px solid var(--line);background:var(--surface);border-radius:3px;padding:6px 12px;font-size:.92rem}

/* faq */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font-family:var(--f-mono);color:var(--signal)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin-top:10px;max-width:70ch}

/* order */
.order{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
@media (max-width:860px){.order{grid-template-columns:1fr}}
form{display:grid;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px}
form label{display:grid;gap:6px;font-size:.9rem;color:var(--muted)}
form input,form select,form textarea{padding:12px;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--ink);font:400 1rem var(--f-body);width:100%}
form textarea{min-height:90px;resize:vertical}
.ok{border-left:4px solid var(--signal);padding:12px 14px;background:var(--bg);font-size:.95rem}
.contacts{display:grid;gap:18px}
.contacts .big{font-family:var(--f-mono);font-size:1.5rem;font-weight:500;text-decoration:none}

footer{background:var(--hazard);color:#b9c0c4;padding-block:36px;font-size:.88rem}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer b{color:#eef0f1}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.answer{margin-top:22px;max-width:760px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--signal);border-radius:4px;padding:16px 18px;display:grid;gap:10px}
.answer dl{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0}
@media (max-width:600px){.answer dl{grid-template-columns:1fr 1fr}}
.answer dt{font-size:.75rem;color:var(--muted)}
.answer dd{margin:0;font-weight:600;font-size:.92rem}
.dd{position:relative}
.dd>a{display:inline-flex;gap:4px}
.dd .sub{display:none;position:absolute;left:0;top:100%;z-index:20;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:10px 0;min-width:280px;box-shadow:0 8px 24px rgba(0,0,0,.12)}
.dd:hover .sub,.dd:focus-within .sub{display:grid}
.dd .sub a{padding:6px 16px;color:var(--ink);font-size:.92rem}
.dd .sub a:hover{background:var(--bg)}
.crumbs{font-size:.85rem;color:var(--muted);padding-top:20px;display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--muted)}
.crumbs span[aria-hidden]{opacity:.5}
.phero{padding-block:24px 48px}
.phero h1{font-size:clamp(2rem,4.6vw,3.2rem);font-weight:800;letter-spacing:-.02em;margin-top:10px}
.phero .lead{font-size:1.1rem;color:var(--muted);max-width:62ch;margin-top:16px}
.phero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.incl{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:860px){.incl{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.incl{grid-template-columns:1fr}}
.incl div{border-top:3px solid var(--ink);padding-top:10px;display:grid;gap:4px}
.incl p{color:var(--muted);font-size:.92rem}
.links{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media (max-width:860px){.links{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.links{grid-template-columns:1fr}}
.links a{background:var(--surface);padding:16px 18px;text-decoration:none;display:grid;gap:4px;min-width:0}
.links a:hover{background:var(--bg)}
.links a b{font-family:var(--f-display);font-weight:600}
.links a span{font-family:var(--f-mono);font-size:.85rem;color:var(--signal)}
.grp{margin-top:28px}
.grp h3{margin-bottom:12px}
.fmap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-block:28px;border-bottom:1px solid #353a3e}
@media (max-width:760px){.fmap{grid-template-columns:1fr}}
.fmap ul{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:4px}
.fmap a{color:#b9c0c4;text-decoration:none}
.fmap a:hover{color:#fff}
.fmap b a{color:#eef0f1}
footer .wrap.f2{padding-block:20px 0}