/* AI Tuningfiles – static site styles */
:root{
  --bg:#05080d;
  --bg2:#080d15;
  --surface:#0c131d;
  --surface2:#111a27;
  --line:rgba(140,200,255,.10);
  --line2:rgba(140,200,255,.20);
  --text:#e8f1fa;
  --muted:#8fa3b8;
  --dim:#5f7287;
  --accent:#4cc9ff;
  --accent2:#9be6ff;
  --accent3:#1e9bff;
  --glow:rgba(76,201,255,.35);
  --ok:#3ee0a1;
  --radius:18px;
  --max:1200px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Space Grotesk','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
::selection{background:var(--accent);color:#001018}

/* background: dyno curves (power / torque, stock vs tuned) + glow */
.bg-fx{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 500px at 80% -10%,rgba(76,201,255,.16),transparent 60%),
    radial-gradient(700px 500px at -10% 30%,rgba(30,155,255,.10),transparent 60%),
    linear-gradient(var(--bg),var(--bg));}
.bg-fx:after{content:"";position:absolute;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A//www.w3.org/2000/svg%27%20viewBox%3D%270%200%201600%20900%27%20preserveAspectRatio%3D%27none%27%3E%20%3Cg%20stroke%3D%27%238cc8ff%27%20stroke-opacity%3D%27.05%27%20stroke-width%3D%271%27%3E%20%3Cpath%20d%3D%27M0%20150H1600M0%20300H1600M0%20450H1600M0%20600H1600M0%20750H1600%27/%3E%20%3Cpath%20d%3D%27M200%200V900M400%200V900M600%200V900M800%200V900M1000%200V900M1200%200V900M1400%200V900%27/%3E%3C/g%3E%20%3Cg%20fill%3D%27none%27%20stroke-linecap%3D%27round%27%20vector-effect%3D%27non-scaling-stroke%27%3E%20%3Cpath%20d%3D%27M-20%20820%20C180%20790%20330%20600%20560%20470%20S980%20330%201280%20360%20S1520%20430%201640%20470%27%20stroke%3D%27%234cc9ff%27%20stroke-opacity%3D%27.55%27%20stroke-width%3D%272.5%27/%3E%20%3Cpath%20d%3D%27M-20%20840%20C200%20820%20360%20680%20580%20580%20S990%20470%201290%20490%20S1520%20540%201640%20570%27%20stroke%3D%27%234cc9ff%27%20stroke-opacity%3D%27.25%27%20stroke-width%3D%272%27%20stroke-dasharray%3D%278%208%27/%3E%20%3Cpath%20d%3D%27M-20%20860%20C150%20760%20300%20450%20520%20360%20S880%20330%201120%20420%20S1450%20600%201640%20660%27%20stroke%3D%27%231e9bff%27%20stroke-opacity%3D%27.45%27%20stroke-width%3D%272.5%27/%3E%20%3Cpath%20d%3D%27M-20%20870%20C170%20800%20320%20560%20540%20480%20S900%20460%201130%20530%20S1460%20680%201640%20730%27%20stroke%3D%27%231e9bff%27%20stroke-opacity%3D%27.2%27%20stroke-width%3D%272%27%20stroke-dasharray%3D%278%208%27/%3E%20%3C/g%3E%20%3Cg%20fill%3D%27%234cc9ff%27%20fill-opacity%3D%27.7%27%3E%3Ccircle%20cx%3D%271280%27%20cy%3D%27360%27%20r%3D%274%27/%3E%3Ccircle%20cx%3D%27520%27%20cy%3D%27360%27%20r%3D%274%27/%3E%3C/g%3E%20%3C/svg%3E");
  background-size:100% 100%;background-repeat:no-repeat;opacity:.55;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.85) 55%,rgba(0,0,0,.35) 100%);mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.85) 55%,rgba(0,0,0,.35) 100%)}

/* ===== header ===== */
.topbar{border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);background:rgba(5,8,13,.6)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;height:38px}
.topbar a:hover{color:var(--accent)}
.topbar .tb-left{display:flex;gap:22px;align-items:center}
.topbar .tb-left span{display:inline-flex;gap:7px;align-items:center}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);display:inline-block}
header.site{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(5,8,13,.72);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.logo{display:block;position:relative;flex:none;width:240px;height:34px;background:url(/assets/alpha-logo.png) left center/contain no-repeat}
.logo>*{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:640px){.logo{width:180px;height:26px}}
.logo-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent2),var(--accent3));color:#001421;font-weight:800;font-size:15px;box-shadow:0 0 24px var(--glow)}
.logo b{color:var(--accent)}
nav.main{display:flex;gap:4px;align-items:center}
nav.main a{padding:9px 10px;border-radius:10px;font-size:14.5px;color:var(--muted);font-weight:500;transition:.2s;white-space:nowrap}
nav.main a:hover{color:var(--text);background:rgba(255,255,255,.04)}
nav.main a.active{color:var(--accent);background:rgba(76,201,255,.08)}
.hdr-right{display:flex;align-items:center;gap:10px;flex:none}
.hdr-right .btn{white-space:nowrap}
html:not([lang=en]):not([lang=de]) .hdr-right .btn-ghost{display:none}
@media (max-width:1400px){.hdr-right .btn-ghost{display:none}}
html[lang=pl] nav.main a,html[lang=ru] nav.main a{padding:9px 8px;font-size:14px}
.lang-dd{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 12px;border:1px solid var(--line2);border-radius:10px;background:rgba(255,255,255,.03);color:var(--text);font:600 13px/1 inherit;font-family:inherit;cursor:pointer;transition:border-color .2s}
.lang-btn:hover,.lang-dd.open .lang-btn{border-color:var(--accent);color:var(--accent)}
.lang-btn svg{transition:transform .2s}.lang-dd.open .lang-btn svg{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:190px;padding:6px;border:1px solid var(--line2);border-radius:14px;background:#0b121c;box-shadow:0 18px 50px rgba(0,0,0,.55);display:none;z-index:200}
.lang-dd.open .lang-menu{display:block}
.lang-menu a{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:9px;color:var(--muted);font-size:14.5px;font-weight:500}
.lang-menu a b{width:24px;font-size:11.5px;font-weight:700;letter-spacing:.5px;color:var(--dim)}
.lang-menu a:hover{background:rgba(76,201,255,.08);color:var(--text)}
.lang-menu a.on{background:rgba(76,201,255,.12);color:var(--accent)}.lang-menu a.on b{color:var(--accent)}
.burger{display:none;width:44px;height:44px;border-radius:11px;border:1px solid var(--line2);background:transparent;color:var(--text);cursor:pointer;font-size:20px}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:12px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;font-family:inherit;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--accent2),var(--accent) 45%,var(--accent3));color:#00131f;box-shadow:0 8px 30px -8px var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px var(--glow)}
.btn-ghost{border-color:var(--line2);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-wa{background:#1fb855;color:#fff}
.btn-wa:hover{transform:translateY(-2px);background:#22c95d}
.btn-sm{padding:9px 15px;font-size:14px;border-radius:10px}
.btn svg{width:18px;height:18px;flex:none}

/* ===== typography ===== */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:2.2px;text-transform:uppercase;color:var(--accent);padding:7px 13px;border:1px solid var(--line2);border-radius:99px;background:rgba(76,201,255,.06)}
h1,h2,h3,h4{font-family:var(--display);line-height:1.15;letter-spacing:-.5px}
h1{font-size:clamp(38px,6vw,72px);font-weight:700}
h2{font-size:clamp(30px,4vw,46px);font-weight:700}
h3{font-size:21px;font-weight:600}
.grad{background:linear-gradient(90deg,var(--accent2),var(--accent) 50%,var(--accent3));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,1.6vw,19px);color:var(--muted);max-width:680px}
.muted{color:var(--muted)}
section{padding:110px 0;position:relative}
.sec-head{max-width:760px;margin-bottom:56px}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}
.sec-head.center .lead{margin:0 auto}
.sec-head h2{margin:18px 0 16px}

/* ===== hero ===== */
.hero{padding:100px 0 90px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero h1{margin:22px 0 22px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.hero-card{position:relative;border:1px solid var(--line2);border-radius:24px;background:linear-gradient(180deg,rgba(17,26,39,.9),rgba(8,13,21,.9));padding:28px;box-shadow:0 40px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(76,201,255,.05) inset}
.hero-card:before{content:"";position:absolute;inset:-1px;border-radius:24px;padding:1px;background:linear-gradient(140deg,var(--accent),transparent 40%,transparent 60%,var(--accent3));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.6}
.hc-top{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:22px}
.hc-top .live{display:flex;align-items:center;gap:8px;color:var(--ok);font-weight:600}
.hc-car{font-family:var(--display);font-size:20px;font-weight:600;margin-bottom:4px}
.hc-sub{color:var(--dim);font-size:13.5px;margin-bottom:22px}
.gauge-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px}
.gauge{background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:14px;padding:16px}
.gauge .lbl{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--dim)}
.gauge .val{font-family:var(--display);font-size:30px;font-weight:700;margin-top:4px}
.gauge .val small{font-size:14px;color:var(--muted);font-weight:500;margin-left:4px}
.gauge .plus{color:var(--accent);font-size:13.5px;font-weight:600}
.bar{height:8px;border-radius:9px;background:rgba(255,255,255,.06);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;border-radius:9px;background:linear-gradient(90deg,var(--accent3),var(--accent2));box-shadow:0 0 14px var(--glow)}
.hc-steps{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12.5px;padding:6px 11px;border-radius:99px;border:1px solid var(--line2);color:var(--muted);background:rgba(255,255,255,.02)}
.chip.on{color:#00131f;background:var(--accent);border-color:var(--accent);font-weight:600}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);background:rgba(12,19,29,.6);overflow:hidden}
.stat{padding:30px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .num{font-family:var(--display);font-size:clamp(28px,3.2vw,40px);font-weight:700;color:var(--text)}
.stat .num em{font-style:normal;color:var(--accent)}
.stat .cap{color:var(--muted);font-size:14.5px;margin-top:4px}

/* cards & grids */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:linear-gradient(180deg,rgba(17,26,39,.75),rgba(10,16,25,.75));border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:border-color .25s,transform .25s}
.card:hover{border-color:var(--line2);transform:translateY(-3px)}
.card h3{margin:16px 0 10px}
.card p{color:var(--muted);font-size:15.5px}
.ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;background:rgba(76,201,255,.1);border:1px solid rgba(76,201,255,.25);color:var(--accent)}
.ico svg{width:24px;height:24px}
.step-n{position:absolute;top:22px;right:26px;font-family:var(--display);font-size:54px;font-weight:700;color:rgba(76,201,255,.09);line-height:1}
ul.check{list-style:none;display:grid;gap:11px;margin-top:6px}
ul.check li{display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
ul.check li:before{content:"";flex:none;width:20px;height:20px;margin-top:3px;border-radius:6px;background:rgba(76,201,255,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234cc9ff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat}
ul.check li b{color:var(--text);font-weight:600}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.top{align-items:start}
.panel{border:1px solid var(--line);border-radius:22px;background:rgba(12,19,29,.7);padding:36px}

/* promo */
.promo{position:relative;overflow:hidden;border-radius:24px;border:1px solid rgba(76,201,255,.35);background:linear-gradient(120deg,rgba(30,155,255,.18),rgba(76,201,255,.06) 50%,rgba(5,8,13,.4));padding:48px;display:grid;grid-template-columns:1.4fr .6fr;gap:30px;align-items:center}
.promo:after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(76,201,255,.35),transparent 70%)}
.promo h2{font-size:clamp(26px,3vw,36px);margin:14px 0 12px}
.promo .big{font-family:var(--display);font-size:clamp(50px,6vw,78px);font-weight:700;line-height:1;text-align:center;position:relative;z-index:1}
.promo .big small{display:block;font-size:15px;color:var(--muted);font-weight:500;margin-top:8px;letter-spacing:1px;text-transform:uppercase}

/* solutions tags */
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{padding:10px 16px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.02);font-size:14.5px;color:var(--text);transition:.2s}
.tag:hover{border-color:var(--accent);color:var(--accent);background:rgba(76,201,255,.06)}

/* FAQ */
.faq{display:grid;gap:12px;max-width:860px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:14px;background:rgba(12,19,29,.65);transition:border-color .2s}
.faq details[open]{border-color:var(--line2)}
.faq summary{list-style:none;cursor:pointer;padding:21px 24px;font-weight:600;font-size:17px;display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:24px;color:var(--accent);font-weight:400;transition:transform .25s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{padding:0 24px 22px;color:var(--muted)}

/* pricing */
.price-card{display:flex;flex-direction:column}
.price-card .from{font-size:13px;color:var(--dim);text-transform:uppercase;letter-spacing:1.5px;margin-top:20px}
.price-card .amount{font-family:var(--display);font-size:48px;font-weight:700;line-height:1.1}
.price-card .amount span{font-size:22px;color:var(--accent)}
.price-card .note{color:var(--muted);font-size:14.5px;margin:8px 0 22px}
.price-card .btn{margin-top:auto}
.price-card.hot{border-color:rgba(76,201,255,.5);box-shadow:0 0 0 1px rgba(76,201,255,.2),0 30px 60px -30px var(--glow)}
.badge{position:absolute;top:18px;right:18px;font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:5px 10px;border-radius:8px;background:var(--accent);color:#00131f}
table.tbl{width:100%;border-collapse:collapse;font-size:15px}
table.tbl th,table.tbl td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line)}
table.tbl th{color:var(--dim);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:1.3px}
table.tbl td:last-child{text-align:right;font-weight:600}
table.tbl tr:last-child td{border-bottom:0}
table.tbl .hl{color:var(--accent)}

/* page hero */
.page-hero{padding:90px 0 40px}
.page-hero h1{font-size:clamp(36px,5vw,60px);margin:20px 0 18px}

/* CTA band */
.cta-band{border-radius:26px;padding:64px 48px;text-align:center;border:1px solid var(--line2);background:radial-gradient(600px 260px at 50% 0%,rgba(76,201,255,.22),transparent 70%),linear-gradient(180deg,#0c1520,#070b12)}
.cta-band h2{margin:16px 0 14px}
.cta-band .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* forms */
.form{display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:7px;font-weight:500}
.form input,.form select,.form textarea,.cfg select,.cfg input{width:100%;padding:14px 15px;border-radius:12px;border:1px solid var(--line2);background:#070c13;color:var(--text);font:inherit;font-size:15px;transition:border-color .2s,box-shadow .2s}
.form textarea{min-height:130px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus,.cfg select:focus,.cfg input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(76,201,255,.14)}
select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234cc9ff' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px!important}
select:disabled{opacity:.45;cursor:not-allowed}
.contact-list{display:grid;gap:14px}
.contact-item{display:flex;gap:16px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02);transition:.2s}
a.contact-item:hover{border-color:var(--accent)}
.contact-item .k{font-size:12.5px;color:var(--dim);text-transform:uppercase;letter-spacing:1.3px}
.contact-item .v{font-weight:600}

/* ===== configurator ===== */
.cfg{border:1px solid var(--line2);border-radius:24px;background:linear-gradient(180deg,rgba(17,26,39,.85),rgba(8,13,21,.85));padding:30px;box-shadow:0 40px 80px -40px rgba(0,0,0,.9)}
.cfg-type{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.cfg-type button{font:inherit;font-size:14px;font-weight:600;padding:9px 16px;border-radius:10px;border:1px solid var(--line2);background:transparent;color:var(--muted);cursor:pointer;transition:.2s}
.cfg-type button.on{background:var(--accent);border-color:var(--accent);color:#00131f}
.cfg-sel{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.cfg-sel .f label{display:flex;gap:8px;align-items:center;font-size:12.5px;text-transform:uppercase;letter-spacing:1.3px;color:var(--dim);margin-bottom:8px;font-weight:600}
.cfg-sel .f label i{font-style:normal;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;background:rgba(76,201,255,.12);color:var(--accent);font-size:11px}
.cfg-search{position:relative;margin-bottom:16px}
.cfg-search input{padding-left:44px}
.cfg-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--dim)}
.cfg-hits{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:20;background:#0b121c;border:1px solid var(--line2);border-radius:14px;max-height:340px;overflow:auto;display:none;box-shadow:0 30px 60px -20px #000}
.cfg-hits.show{display:block}
.cfg-hits button{display:block;width:100%;text-align:left;padding:12px 16px;border:0;border-bottom:1px solid var(--line);background:none;color:var(--text);font:inherit;font-size:14.5px;cursor:pointer}
.cfg-hits button:hover,.cfg-hits button.act{background:rgba(76,201,255,.08)}
.cfg-hits button small{color:var(--dim);display:block;font-size:12.5px}
.brand-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:10px;margin-top:26px}
.brand-grid button{font:inherit;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.02);color:var(--text);font-size:13.5px;font-weight:500;transition:.2s}
.brand-grid button:hover,.brand-grid button.on{border-color:var(--accent);background:rgba(76,201,255,.07)}
.brand-grid .bi{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:15px;color:var(--accent);background:rgba(76,201,255,.08);border:1px solid rgba(76,201,255,.2)}
.cfg-empty{text-align:center;padding:50px 20px;color:var(--dim)}
.cfg-empty svg{width:46px;height:46px;color:var(--accent);opacity:.6;margin:0 auto 12px}
.result{margin-top:26px;display:none}
.result.show{display:block;animation:fadeUp .5s ease}
.res-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:22px}
.res-head h3{font-size:26px}
.res-head .sub{color:var(--muted);font-size:14.5px;margin-top:4px}
.stage-tabs{display:flex;gap:6px;background:#070c13;border:1px solid var(--line2);padding:5px;border-radius:12px}
.stage-tabs button{font:inherit;font-size:14px;font-weight:600;border:0;padding:9px 16px;border-radius:9px;background:none;color:var(--muted);cursor:pointer}
.stage-tabs button.on{background:var(--accent);color:#00131f}
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.metric{border:1px solid var(--line);border-radius:16px;padding:22px;background:rgba(255,255,255,.02)}
.metric .t{display:flex;justify-content:space-between;align-items:center;font-size:13px;text-transform:uppercase;letter-spacing:1.4px;color:var(--dim);font-weight:600}
.metric .gain{font-family:var(--display);font-size:15px;color:#00131f;background:var(--accent);padding:4px 10px;border-radius:8px;letter-spacing:0;text-transform:none}
.metric .vals{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.metric .vals div span{display:block;font-size:12.5px;color:var(--dim)}
.metric .vals div b{font-family:var(--display);font-size:32px;font-weight:700}
.metric .vals div b small{font-size:14px;color:var(--muted);font-weight:500;margin-left:3px}
.metric .vals div.tuned b{color:var(--accent)}
.mbar{position:relative;height:10px;border-radius:9px;background:rgba(255,255,255,.06);margin-top:16px;overflow:hidden}
.mbar i{position:absolute;left:0;top:0;bottom:0;border-radius:9px;transition:width 1s cubic-bezier(.2,.8,.2,1)}
.mbar i.s{background:#3b4a5c;z-index:2}
.mbar i.t{background:linear-gradient(90deg,var(--accent3),var(--accent2));box-shadow:0 0 16px var(--glow)}
.res-info{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.res-info .box{border:1px solid var(--line);border-radius:16px;padding:20px;background:rgba(255,255,255,.02)}
.res-info .box h4{font-family:var(--font);font-size:12.5px;text-transform:uppercase;letter-spacing:1.4px;color:var(--dim);margin-bottom:12px;font-weight:600}
.res-info .box .tags{gap:7px}
.res-info .box .tag{font-size:13px;padding:6px 10px;border-radius:8px}
.res-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;align-items:center}
.res-cta .disc{flex:1;min-width:240px;font-size:13px;color:var(--dim)}
.cfg-note{font-size:13px;color:var(--dim);margin-top:16px}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:40px;padding:70px 0 30px;background:linear-gradient(180deg,transparent,rgba(76,201,255,.03))}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
footer h5{font-family:var(--font);font-size:13px;text-transform:uppercase;letter-spacing:1.6px;color:var(--dim);margin-bottom:16px;font-weight:600}
footer ul{list-style:none;display:grid;gap:10px}
footer li,footer p{color:var(--muted);font-size:15px}
footer a:hover{color:var(--accent)}
.f-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:50px;padding-top:24px;font-size:13.5px;color:var(--dim)}
.hours{display:grid;grid-template-columns:auto auto;gap:6px 18px;font-size:15px;color:var(--muted)}
.hours b{color:var(--text);font-weight:600}

/* floating whatsapp */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#1fb855;color:#fff;box-shadow:0 12px 30px -6px rgba(31,184,85,.6);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ===== responsive ===== */
@media (max-width:1200px){
  nav.main{display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;background:#070b12;border-bottom:1px solid var(--line);padding:12px 18px 20px}
  nav.main.open{display:flex}
  nav.main a{padding:13px 14px;font-size:16px}
  .burger{display:grid;place-items:center}
  .hdr-right .btn-ghost{display:none}
}
@media (max-width:960px){
  section{padding:80px 0}
  .hero .wrap,.split,.promo{grid-template-columns:1fr}
  .hero{padding:60px 0}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .f-grid{grid-template-columns:1fr 1fr}
  .cfg-sel{grid-template-columns:1fr 1fr}
  .res-info{grid-template-columns:1fr}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .topbar .tb-left span.hide-s,.topbar .tb-right{display:none}
  .g2,.g3,.g4,.res-grid{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .cfg{padding:18px}
  .cfg-sel{grid-template-columns:1fr}
  .promo,.cta-band,.panel{padding:30px 22px}
  .f-grid{grid-template-columns:1fr}
  .hdr-right .btn-primary{display:none}
  .logo{font-size:17px}
  .metric .vals div b{font-size:26px}
  table.tbl th,table.tbl td{padding:12px 10px;font-size:14px}
}

/* ===== vehicle SEO pages ===== */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:var(--dim);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs span{color:var(--accent)}
.crumbs i{font-style:normal;color:var(--dim)}
.lgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}
.lcard{display:flex;flex-direction:column;gap:4px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02);transition:.2s}
.lcard:hover{border-color:var(--accent);background:rgba(76,201,255,.06);transform:translateY(-2px)}
.lcard b{font-family:var(--display);font-size:17px;font-weight:600}
.lcard span{font-size:13.5px;color:var(--dim)}
.tblwrap{padding:6px 10px;overflow-x:auto}
.etbl td:last-child{text-align:left;color:var(--accent)}
.etbl td a{color:var(--text);font-weight:600}
.etbl td a:hover{color:var(--accent)}
.etbl td{white-space:nowrap}
.etbl tr:hover td{background:rgba(76,201,255,.04)}
a.tag{display:inline-block}
.bg-h{font-size:20px;margin:30px 0 4px;color:var(--muted);font-weight:600}
.brand-grid a{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.02);color:var(--text);font-size:13.5px;font-weight:500;text-align:center;transition:.2s}
.brand-grid a:hover{border-color:var(--accent);background:rgba(76,201,255,.07)}
@media (max-width:640px){.lgrid{grid-template-columns:1fr 1fr}.res-head .btn{display:none}}
svg[aria-hidden]{width:1.15em;height:1.15em;flex:none}
.ico svg{width:24px!important;height:24px!important}
.btn svg{width:18px;height:18px}
.wa-float svg{width:30px!important;height:30px!important}
.cfg-search svg{width:18px!important;height:18px!important}
.cfg-empty svg{width:46px!important;height:46px!important;display:block}

/* ===== API page ===== */
.codebox{border:1px solid var(--line2);border-radius:20px;background:#070c13;box-shadow:0 40px 80px -30px #000,0 0 60px -30px var(--glow);overflow:hidden}
.codebar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.codebar i{width:11px;height:11px;border-radius:50%;background:#2a3646}
.codebar i:first-child{background:#ff5f57}.codebar i:nth-child(2){background:#febc2e}.codebar i:nth-child(3){background:#28c840}
.codebar span{margin-left:10px;font-size:13px;color:var(--dim);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.codebox pre{margin:0;padding:22px 22px 26px;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;line-height:1.75;color:#cfe3f5}
.c-k{color:#4cc9ff;font-weight:600}.c-s{color:#9be6ff}.c-c{color:var(--dim)}
@media (max-width:640px){.codebox pre{font-size:12px;padding:16px}}

html[lang=zh]{--font:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;--display:"Space Grotesk","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif}
html[lang=zh] h1,html[lang=zh] h2,html[lang=zh] h3{letter-spacing:0}
/* products: websites & configurator */
.prod-group{font-size:15px;letter-spacing:1.5px;text-transform:uppercase;color:var(--dim);font-weight:700;margin:0 0 16px;display:flex;align-items:center;gap:8px}
.prod-card{display:flex;flex-direction:column;position:relative;padding:14px 14px 22px}
.prod-card .prod-img{border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:#0b1118;margin-bottom:18px;border:1px solid rgba(255,255,255,.06)}
.prod-card .prod-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.prod-card:hover .prod-img img{transform:scale(1.04)}
.prod-card h3,.prod-card .note,.prod-card .prod-price,.prod-card .btn{margin-left:8px;margin-right:8px}
.prod-card h3{font-size:19px;margin-bottom:8px}
.prod-card .note{color:var(--muted);font-size:14.5px;line-height:1.55;margin-bottom:18px}
.prod-card .prod-price{margin-top:auto;margin-bottom:16px;font-family:var(--display)}
.prod-card .prod-price b{font-size:34px;font-weight:700}
.prod-card .prod-price span{color:var(--accent);font-size:15px;font-family:inherit}
.prod-card .btn{justify-content:center}
.prod-card.hot{border-color:rgba(76,201,255,.5);box-shadow:0 0 0 1px rgba(76,201,255,.2),0 30px 60px -30px var(--glow)}
.prod-card .badge{top:24px;right:24px;z-index:2}
.badge-dim{background:rgba(10,16,24,.85);color:var(--accent);border:1px solid rgba(76,201,255,.45)}
.prod-teaser{align-items:center}
.prod-teaser-img{position:relative;z-index:1;display:block;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.08);box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
.prod-teaser-img img,.prod-hero img{width:100%;height:auto;display:block}
.prod-hero{border-radius:20px;overflow:hidden;border:1px solid rgba(76,201,255,.25);box-shadow:0 40px 80px -40px var(--glow)}
.prod-feat{padding:14px 14px 22px}
.prod-feat .prod-img{border-radius:12px;overflow:hidden;aspect-ratio:4/3;margin-bottom:16px;border:1px solid rgba(255,255,255,.06)}
.prod-feat .prod-img img{width:100%;height:100%;object-fit:cover;display:block}
.prod-feat h3,.prod-feat p{margin-left:8px;margin-right:8px}
.prod-lays{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.prod-lay{margin:0;border-radius:14px;overflow:hidden;border:1px solid var(--line,rgba(255,255,255,.08));background:#0b1118}
.prod-lay img{width:100%;height:auto;display:block;transition:transform .5s}
.prod-lay:hover img{transform:scale(1.05)}
.prod-lay figcaption{font-size:13px;color:var(--dim);text-align:center;padding:8px}
@media (max-width:1000px){.prod-lays{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.prod-lays{grid-template-columns:1fr 1fr}}
.prod-hero-sec .split>*{min-width:0}
.prod-hero-sec h1{font-size:clamp(32px,4.6vw,58px);overflow-wrap:break-word;hyphens:auto}
button.prod-img{display:block;width:100%;padding:0;cursor:zoom-in;position:relative;font:inherit;color:inherit}
.prod-cnt{position:absolute;left:10px;bottom:10px;display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:8px;background:rgba(5,8,13,.8);border:1px solid rgba(255,255,255,.12);font-size:12.5px;font-weight:700;color:#fff}
.lb{position:fixed;inset:0;z-index:1000;background:rgba(3,6,10,.92);display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(6px)}
.lb[hidden]{display:none}
.lb figure{margin:0;max-width:min(1200px,100%);text-align:center}
.lb img{max-width:100%;max-height:80vh;border-radius:12px;display:block;margin:0 auto;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb figcaption{color:var(--dim);font-size:14px;margin-top:12px}
.lb button{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);color:#fff;width:48px;height:48px;border-radius:50%;font-size:30px;line-height:1;cursor:pointer;display:grid;place-items:center}
.lb button:hover{background:rgba(76,201,255,.25)}
.lb-x{top:18px;right:18px}.lb-p{left:18px;top:50%;transform:translateY(-50%)}.lb-n{right:18px;top:50%;transform:translateY(-50%)}
@media (max-width:640px){.lb-p,.lb-n{top:auto;bottom:18px;transform:none}}
.prod-inc li span b{color:var(--text,#fff)}