/* ChinaCar Service — выездная диагностика китайских авто в Люберцах
   Дизайн-система. Автор: внутренняя разработка. */

:root{
  --red:#e2231a;          /* китайский красный — акцент */
  --red-dark:#b51410;
  --ink:#12161d;          /* графит */
  --ink-2:#1c2230;
  --slate:#2b3342;
  --muted:#697586;
  --line:#e6e9ef;
  --bg:#ffffff;
  --bg-soft:#f5f7fb;
  --bg-dark:#0f1320;
  --gold:#f4b41a;
  --green:#15a05a;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(18,22,29,.10);
  --shadow-lg:0 24px 60px rgba(18,22,29,.18);
  --wrap:1180px;
  --font:'Inter','Segoe UI',-apple-system,Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.18;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(28px,4.4vw,46px)}
h2{font-size:clamp(24px,3.2vw,36px)}
h3{font-size:clamp(19px,2vw,23px)}
p{margin:0 0 1em}
ul{margin:0 0 1em;padding-left:1.1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--bg-dark);color:#e9edf5}
.section--dark h2,.section--dark h3{color:#fff}
.lead{font-size:1.12em;color:var(--muted)}
.center{text-align:center}
.mb0{margin-bottom:0}
.accent{color:var(--red)}
.eyebrow{display:inline-block;font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--red);margin-bottom:10px}
.section--dark .eyebrow{color:var(--gold)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 26px;border-radius:var(--radius-sm);font-weight:700;font-size:16px;
  border:2px solid transparent;cursor:pointer;transition:.18s;text-align:center;
}
.btn--primary{background:var(--red);color:#fff;box-shadow:0 8px 22px rgba(226,35,26,.28)}
.btn--primary:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.1)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:#000;transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--ink);border-color:var(--line)}
.btn--light:hover{border-color:var(--red);color:var(--red)}
.btn--block{width:100%}
.btn--lg{padding:17px 34px;font-size:17px}

/* ---------- Header ---------- */
.topbar{background:var(--ink);color:#cfd6e2;font-size:14px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:40px;flex-wrap:wrap}
.topbar a:hover{color:#fff}
.topbar .geo::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:7px;vertical-align:middle}

.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;gap:24px;min-height:74px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:-.02em}
.logo small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.04em}
.nav{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav a{font-weight:600;font-size:15px;color:var(--slate);padding:6px 0;position:relative}
.nav a:hover{color:var(--red)}
.nav .has-sub{position:relative}
.nav .sub{position:absolute;top:100%;left:-14px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:10px;min-width:280px;display:none;flex-direction:column;gap:2px}
.nav .has-sub:hover .sub{display:flex}
.nav .sub a{padding:9px 12px;border-radius:8px;font-size:14.5px}
.nav .sub a:hover{background:var(--bg-soft)}
.header-phone{display:flex;flex-direction:column;align-items:flex-end;line-height:1.15}
.header-phone a{font-weight:800;font-size:18px}
.header-phone span{font-size:12px;color:var(--muted)}
.header-cta{margin-left:6px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.burger span{width:26px;height:3px;background:var(--ink);border-radius:3px;transition:.2s}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,#0f1320 0%,#1a2233 55%,#241016 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:url('../img/pattern.svg') center/520px;opacity:.06;pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;padding-top:56px;padding-bottom:56px}
.hero h1{color:#fff}
.hero .lead{color:#c7cedb}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:8px 14px;border-radius:30px;font-size:14px;font-weight:600}
.hero-badge b{color:var(--gold)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.hero-trust{display:flex;gap:26px;margin-top:28px;flex-wrap:wrap}
.hero-trust div{font-size:14px;color:#c7cedb}
.hero-trust b{display:block;font-size:26px;color:#fff;font-weight:800}

/* ---------- Form card ---------- */
.formcard{background:#fff;color:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:28px}
.formcard h3{margin-bottom:4px}
.formcard .sub{color:var(--muted);font-size:14px;margin-bottom:18px}
.field{margin-bottom:13px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:5px;color:var(--slate)}
.input,select.input,textarea.input{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;font-size:15px;background:#fff;transition:.15s;
}
.input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(226,35,26,.12)}
textarea.input{min-height:84px;resize:vertical}
.consent{font-size:11.5px;color:var(--muted);margin-top:10px;line-height:1.45}
.consent a{color:var(--slate);text-decoration:underline}
.hp{position:absolute;left:-9999px;top:-9999px}
.form-msg{margin-top:12px;font-size:14px;font-weight:600;display:none}
.form-msg.ok{display:block;color:var(--green)}
.form-msg.err{display:block;color:var(--red)}

/* ---------- Generic cards / grids ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card .ic{width:46px;height:46px;margin-bottom:14px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px;margin:0}
.card--link{display:flex;flex-direction:column}
.card--link .more{margin-top:14px;font-weight:700;color:var(--red);font-size:14.5px}

/* checklist */
.checklist{list-style:none;padding:0;display:grid;gap:12px}
.checklist.cols2{grid-template-columns:1fr 1fr}
.checklist li{position:relative;padding-left:34px;font-size:15.5px}
.checklist li::before{content:"";position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:var(--green);
  -webkit-mask:url('../img/check.svg') center/13px no-repeat;mask:url('../img/check.svg') center/13px no-repeat;background:var(--green)}
.checklist li b{display:block}

/* problem stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:var(--ink-2);border-radius:var(--radius);padding:24px;text-align:center}
.stat b{display:block;font-size:38px;font-weight:800;color:var(--gold);line-height:1}
.stat span{font-size:14px;color:#c7cedb;margin-top:8px;display:block}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;padding-top:14px}
.step::before{counter-increment:s;content:counter(s);display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:var(--red);color:#fff;font-weight:800;font-size:20px;margin-bottom:14px}
.step h3{font-size:18px}
.step p{color:var(--muted);font-size:14.5px;margin:0}

/* pricing */
.ptable{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);font-size:15.5px}
.ptable th,.ptable td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.ptable th{background:var(--ink);color:#fff;font-weight:700}
.ptable tr:last-child td{border-bottom:0}
.ptable td:last-child{font-weight:800;color:var(--red);white-space:nowrap}
.ptable tr:hover td{background:var(--bg-soft)}
.price-note{font-size:13.5px;color:var(--muted);margin-top:12px}

/* brands grid */
.brands{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.brand{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 10px;font-weight:700;color:var(--slate);transition:.18s;text-align:center;font-size:15px}
.brand:hover{border-color:var(--red);color:var(--red);transform:translateY(-3px);box-shadow:var(--shadow)}
.brand .bmark{width:40px;height:40px}

/* cases */
.case{display:grid;grid-template-columns:120px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.case .pic{border-radius:12px;overflow:hidden;background:var(--bg-soft);align-self:start}
.case h3{font-size:18px;margin-bottom:4px}
.case .verdict{display:inline-block;font-size:13px;font-weight:700;padding:4px 12px;border-radius:20px;margin-top:8px}
.verdict.no{background:#fdecec;color:var(--red)}
.verdict.yes{background:#e7f6ee;color:var(--green)}

/* reviews */
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.review .top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review .av{width:46px;height:46px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.review .who b{display:block}
.review .who span{font-size:13px;color:var(--muted)}
.stars{color:var(--gold);font-size:15px;letter-spacing:2px}
.review p{font-size:15px;margin:0}

/* faq */
.faq{max-width:840px;margin:0 auto}
.qa{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.qa summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:16.5px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-size:24px;color:var(--red);font-weight:400;transition:.2s}
.qa[open] summary::after{transform:rotate(45deg)}
.qa .ans{padding:0 22px 18px;color:var(--muted);font-size:15.5px}

/* CTA band */
.ctaband{background:linear-gradient(120deg,var(--red),var(--red-dark));color:#fff;border-radius:24px;padding:42px;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.ctaband h2{color:#fff;margin-bottom:6px}
.ctaband p{color:rgba(255,255,255,.9);margin:0}
.ctaband .actions{display:flex;flex-direction:column;gap:12px}

/* trust / equipment */
.equip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.equip .card{background:var(--ink-2);border:1px solid rgba(255,255,255,.08);color:#e9edf5}
.equip .card p{color:#b9c2d2}

/* breadcrumbs */
.crumbs{font-size:13.5px;color:var(--muted);padding:14px 0}
.crumbs a:hover{color:var(--red)}
.crumbs span{margin:0 7px;color:var(--line)}

/* article / text page */
.prose{max-width:820px}
.prose h2{margin-top:1.4em}
.prose ul li{margin-bottom:6px}

/* footer */
.footer{background:var(--bg-dark);color:#aeb7c7;font-size:14.5px;padding:54px 0 26px}
.footer a:hover{color:#fff}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:34px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer .logo{color:#fff;margin-bottom:14px}
.footer .req{font-size:13px;line-height:1.7;color:#8a93a6}
.footer .bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7d8699}
.footer .msgr{display:flex;gap:10px;margin-top:12px}
.footer .msgr a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center}
.footer .msgr a:hover{background:var(--red)}
.footer .msgr svg{width:20px;height:20px}

/* sticky mobile bar */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.08);padding:8px;gap:8px}
.mbar a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:13px;border-radius:10px;font-weight:700;font-size:15px}
.mbar .call{background:var(--ink);color:#fff}
.mbar .lead{background:var(--red);color:#fff}

/* modal */
.modal{position:fixed;inset:0;z-index:100;background:rgba(10,12,20,.6);display:none;align-items:center;justify-content:center;padding:18px}
.modal.open{display:flex}
.modal .box{background:#fff;border-radius:var(--radius);max-width:440px;width:100%;padding:26px;position:relative;box-shadow:var(--shadow-lg)}
.modal .x{position:absolute;top:12px;right:14px;font-size:26px;line-height:1;color:var(--muted);background:none;border:0;cursor:pointer}

.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.tag{background:var(--bg-soft);border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:13.5px;font-weight:600;color:var(--slate)}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero .wrap{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .equip{grid-template-columns:1fr}
  .brands{grid-template-columns:repeat(4,1fr)}
  .ctaband{grid-template-columns:1fr;padding:30px}
  .split{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:1024px){
  .nav,.header-phone,.header-cta{display:none}
  .burger{display:flex}
  .header .wrap{min-height:64px;gap:14px}
  .nav.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;gap:4px;box-shadow:var(--shadow);max-height:80vh;overflow:auto}
  .nav.open a{padding:11px 4px;border-bottom:1px solid var(--bg-soft)}
  .nav.open .has-sub{flex-direction:column}
  .nav.open .sub{position:static;display:flex;box-shadow:none;border:0;padding:0 0 0 14px;min-width:0}
}
@media(max-width:760px){
  body{font-size:16px}
  .grid-2,.grid-3,.grid-4,.steps,.stats,.checklist.cols2{grid-template-columns:1fr}
  .brands{grid-template-columns:repeat(3,1fr)}
  .case{grid-template-columns:1fr}
  .case .pic{max-width:160px}
  .mbar{display:flex}
  body{padding-bottom:74px}
  .section{padding:46px 0}
  .topbar{display:none}
}
@media(max-width:420px){.brands{grid-template-columns:repeat(2,1fr)}}