*{box-sizing:border-box}
:root{
  --ink:#0c1218;
  --ink2:#151e27;
  --paper:#eef2f5;
  --white:#fff;
  --green:#54d3a6;
  --amber:#ffbb54;
  --red:#ff6b61;
  --muted:#6b7784;
  --line:#d4dce3;
  --max:1180px;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.wrap{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:12px;top:12px;background:#fff;padding:10px 14px;z-index:100}
.header{position:sticky;top:0;z-index:40;background:rgba(12,18,24,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.brand-mark{width:40px;height:40px;border:1px solid rgba(84,211,166,.5);border-radius:9px;display:grid;place-items:center;color:var(--green);font:900 11px/1 ui-monospace,monospace}
.brand-copy{display:flex;flex-direction:column;line-height:1}
.brand-copy strong{font-size:16px;letter-spacing:.12em}
.brand-copy small{font-size:9px;letter-spacing:.25em;color:#8e9cab;margin-top:5px}
.menu{display:flex;align-items:center;gap:25px}
.menu a{text-decoration:none;color:#d6dee6;font-size:14px;font-weight:700}
.phone{border:1px solid rgba(84,211,166,.5);padding:10px 14px;border-radius:8px}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0c1218 0%,#17232e 58%,#0c131a 100%);color:#fff}
.hero:before{content:"";position:absolute;inset:0;opacity:.09;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:46px 46px}
.hero-grid{position:relative;min-height:680px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:60px;padding-block:70px}
.eyebrow{margin:0 0 15px;text-transform:uppercase;letter-spacing:.18em;font-size:12px;font-weight:850;color:var(--green)}
.eyebrow.dark{color:#1ca879}
h1,h2{margin:0;line-height:1.03;letter-spacing:-.045em}
h1{font-size:clamp(60px,7vw,90px)}
h1 span{display:block;color:var(--green)}
h2{font-size:clamp(38px,5vw,60px)}
.lead{font-size:19px;line-height:1.72;color:#c2ccd5;max-width:700px;margin:26px 0 0}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:9px;text-decoration:none;font-weight:800;font-size:14px;transition:.2s ease}
.primary{background:var(--green);color:#07110d}
.primary:hover{background:#78dfbd;transform:translateY(-1px)}
.secondary{border:1px solid rgba(255,255,255,.18);color:#fff;background:rgba(255,255,255,.03)}
.full{width:100%}
.trust{display:flex;gap:9px;flex-wrap:wrap;margin-top:34px}
.trust span{padding:7px 11px;border:1px solid rgba(255,255,255,.1);border-radius:999px;font-size:12px;color:#9eabb7}
.diagnostic-visual{position:relative;min-height:475px}
.scan-panel{position:absolute;left:8%;top:8%;width:78%;background:#111a23;border:1px solid #344454;border-radius:14px;box-shadow:0 30px 75px rgba(0,0,0,.33);overflow:hidden}
.scan-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;background:#0b1117;border-bottom:1px solid #2b3946}
.scan-head span{font:700 10px/1 ui-monospace,monospace;color:#8394a4;letter-spacing:.15em}
.scan-head strong{font:800 11px/1 ui-monospace,monospace;color:var(--green)}
.status-row{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #263441;font-size:13px;color:#c5d0da}
.status-row i{font:800 10px/1 ui-monospace,monospace;font-style:normal}
.ok{color:var(--green)}.warn{color:var(--amber)}
.fault-code{padding:22px 20px 25px;display:flex;flex-direction:column}
.fault-code small{font:700 10px/1 ui-monospace,monospace;color:#758696}
.fault-code strong{font-size:22px;margin-top:8px}
.fault-code span{font-size:12px;color:#7f8e9d;margin-top:5px}
.radar-module{position:absolute;right:2%;bottom:2%;width:165px;height:115px;background:#293643;border:2px solid #81909e;border-radius:13px;box-shadow:0 20px 45px rgba(0,0,0,.35)}
.module-face{position:absolute;left:24px;right:24px;top:22px;bottom:22px;border:1px solid #566776;border-radius:8px;background:#16212a}
.module-glow{position:absolute;left:50%;bottom:-4px;transform:translateX(-50%);width:36px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 22px 8px rgba(84,211,166,.32)}
.section{padding:96px 0}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px}
.large{font-size:20px;line-height:1.75;color:#354350;margin-top:0}
.copy p:last-child{color:var(--muted)}
.faults{background:var(--ink);color:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:60px;margin-bottom:42px}
.section-head>p{max-width:450px;color:#91a0ae;margin:0}
.fault-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.fault-grid article{padding:28px;min-height:240px;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:rgba(255,255,255,.035)}
.fault-grid span{font:700 12px/1 ui-monospace,monospace;color:var(--green)}
.fault-grid h3{font-size:20px;margin:48px 0 10px}
.fault-grid p{margin:0;color:#9eabb7;font-size:14px}
.repair{background:var(--paper)}
.repair-steps{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:40px}
.repair-steps article{display:flex;gap:18px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:12px}
.step-num{width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:#dff7ee;color:#158f68;display:grid;place-items:center;font-weight:900}
.repair-steps h3{margin:0 0 7px;font-size:19px}
.repair-steps p{margin:0;color:var(--muted);font-size:14px}
.warning{background:#151e27;color:#fff}
.warning-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
.warning-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.warning-list span{padding:16px 18px;border:1px solid rgba(255,255,255,.11);border-radius:10px;color:#c7d0d8;background:rgba(255,255,255,.025);font-weight:700}
.trade{background:#fff}
.trade-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:80px}
.large-copy{font-size:19px;color:#465563}
.trade ul{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px 26px}
.trade li{position:relative;padding-left:24px;font-weight:700}
.trade li:before{content:"✓";position:absolute;left:0;color:#179b71}
.trade-card{background:var(--ink);color:#fff;padding:31px;border-radius:14px;box-shadow:0 25px 70px rgba(12,18,24,.15)}
.mini{text-transform:uppercase;letter-spacing:.15em;color:var(--green);font-size:11px;font-weight:850}
.trade-card h3{font-size:28px;line-height:1.13;margin:12px 0}
.trade-card p{color:#a5b2be}
.trade-card small{display:block;color:#768696;margin-top:15px}
.area{background:#f8fafb;border-top:1px solid var(--line)}
.area-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px}
.area-grid>div:nth-child(2)>p{font-size:18px;color:var(--muted);margin-top:0}
.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.tags span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;font-size:12px;font-weight:750;background:#fff}
.faq{background:#fff}
.faq-wrap{max-width:850px}
.faq h2{margin-bottom:32px}
details{border-top:1px solid var(--line)}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:22px 42px 22px 0;font-weight:800;font-size:17px;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:4px;top:18px;font-size:24px;color:#179b71}
details[open] summary:after{content:"−"}
details p{color:var(--muted);margin:0;padding:0 50px 24px 0}
.cta{background:linear-gradient(135deg,#17232d,#0c1218);color:#fff;padding:62px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-inner h2{font-size:clamp(34px,4vw,50px)}
.footer{background:#070b0f;color:#fff;padding:54px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}
.footer-grid>div:first-child strong{font-size:18px}
.footer-grid p{color:#72808d;max-width:430px}
.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:8px}
.footer-grid>div:not(:first-child)>strong{text-transform:uppercase;font-size:11px;letter-spacing:.15em;color:#778795;margin-bottom:5px}
.footer-grid a{text-decoration:none;color:#c9d2da;font-size:13px}
.footer-grid a:hover{color:var(--green)}
.footer-bottom{margin-top:42px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;color:#606d79;font-size:12px}
@media(max-width:900px){
  .menu a:not(.phone){display:none}
  .hero-grid{grid-template-columns:1fr;min-height:auto}
  .diagnostic-visual{min-height:430px}
  .split,.warning-grid,.trade-grid,.area-grid{grid-template-columns:1fr;gap:42px}
  .fault-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .wrap{width:min(calc(100% - 28px),var(--max))}
  .nav{height:68px}
  .brand-copy strong{font-size:14px}.brand-mark{width:35px;height:35px}
  .phone{font-size:12px!important;padding:8px 10px!important}
  .hero-grid{padding-block:52px 42px;gap:24px}
  h1{font-size:50px}
  .lead{font-size:17px}
  .actions{display:grid}
  .diagnostic-visual{min-height:360px}
  .scan-panel{left:0;width:88%}
  .radar-module{width:130px;height:92px}
  .section{padding:72px 0}
  h2{font-size:39px}
  .section-head{display:block}
  .section-head>p{margin-top:18px}
  .fault-grid,.repair-steps,.warning-list,.trade ul{grid-template-columns:1fr}
  .fault-grid article{min-height:210px}
  .fault-grid h3{margin-top:36px}
  .cta-inner{display:block}
  .cta-inner .btn{width:100%;margin-top:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:first-child{grid-column:1/-1}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn{transition:none}
}