:root{
  --bg:#0B1220; --panel:#111B2E; --panel2:#0e1728; --line:#22314D;
  --text:#EDF2F7; --muted:#93A1B5; --gold:#F2A93B; --green:#3FA34D;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.7;font-size:16px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
a{color:var(--gold);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
/* ---- header ---- */
header.site{background:rgba(11,18,32,.96);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.logo{font-weight:800;font-size:20px;letter-spacing:2px;color:var(--text);
  display:inline-flex;align-items:center;gap:9px}
.logo:hover{text-decoration:none}
.sun-dot{width:11px;height:11px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 10px rgba(242,169,59,.9);flex:none}
.nav-menu{display:flex;gap:4px;flex-wrap:wrap}
.nav-menu a{color:var(--muted);font-size:14px;padding:8px 11px;border-radius:6px;font-weight:600}
.nav-menu a:hover{color:var(--gold);background:var(--panel);text-decoration:none}
/* ---- hero ---- */
.hero{position:relative;overflow:hidden;padding:84px 0 64px;
  background:radial-gradient(1100px 480px at 78% -8%,rgba(242,169,59,.10),transparent 60%),var(--bg)}
.solar-arc{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.kicker{color:var(--gold);font-weight:700;font-size:13px;letter-spacing:2.5px;text-transform:uppercase}
.hero h1{font-size:44px;line-height:1.18;margin:14px 0 16px;letter-spacing:-.5px}
.hero .lead{color:var(--muted);font-size:18px;max-width:560px}
.cta-row{display:flex;gap:14px;margin:28px 0 34px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--gold);color:#14100a;font-weight:700;
  padding:13px 26px;border-radius:8px;font-size:15px;border:2px solid var(--gold)}
.btn:active{transform:scale(.97)}
.card:active{transform:scale(.98)}
.btn.ghost{background:transparent;color:var(--gold)}
@media (hover:hover){
  .btn{position:relative;overflow:hidden}
  .btn::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
    background:linear-gradient(90deg,transparent,var(--gold),#ffe0a3);transition:width .45s cubic-bezier(.22,.61,.36,1)}
  .btn:hover::after{width:100%}
  .btn:hover{text-decoration:none;transform:translateY(-1px)}
}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:640px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 12px}
.stat .num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:21px;font-weight:700;color:var(--gold);white-space:nowrap}
.stat .lbl{font-size:12px;color:var(--muted);margin-top:4px;line-height:1.4}
.hero-img{position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:26px;text-align:center}
.hero-img img{max-width:100%;height:auto;border-radius:8px}
.onsite-badge{position:absolute;top:-14px;right:18px;background:var(--green);color:#fff;
  font-weight:700;font-size:13px;padding:7px 14px;border-radius:20px;letter-spacing:.5px;
  box-shadow:0 4px 16px rgba(0,0,0,.45)}
/* ---- sections ---- */
.block{padding:56px 0}
.block h2.sec{font-size:30px;margin:10px 0 8px;letter-spacing:-.3px}
.sec-sub{color:var(--muted);max-width:760px;margin-bottom:28px}
.arc-div{margin:6px 0 2px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;color:var(--text);display:flex;flex-direction:column;gap:8px}
.card:hover{border-color:var(--gold);text-decoration:none}
.card img{width:100%;height:150px;object-fit:contain;background:#0d1626;border-radius:6px}
.card h3{font-size:16px}
.card p{font-size:13.5px;color:var(--muted);flex:1}
.card .go{color:var(--gold);font-weight:700;font-size:14px}
.teaser{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:36px;display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:center}
.teaser img{width:100%;height:auto;border-radius:8px}
.teaser h2{font-size:26px;margin-bottom:10px}
.teaser p{color:var(--muted);margin-bottom:18px}
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.app{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.app h3{font-size:18px;margin-bottom:8px;color:var(--gold)}
.app p{color:var(--muted);font-size:14.5px}
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.why-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.why-item h3{font-size:16px;margin-bottom:6px}
.why-item p{color:var(--muted);font-size:14px}
.steps{list-style:none;counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}
.steps li{background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:14px 14px 14px 52px;position:relative;font-size:14px;color:var(--muted)}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:14px;top:12px;
  width:26px;height:26px;border-radius:50%;background:var(--gold);color:#14100a;
  font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.prod-imgs{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.prod-imgs figure{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.prod-imgs img{width:100%;height:auto;border-radius:6px}
.prod-imgs figcaption{font-size:13px;color:var(--muted);margin-top:10px}
/* ---- prose (inner pages) ---- */
.crumb{font-size:13.5px;color:var(--muted);padding:26px 0 0}
.crumb a{color:var(--gold)}
.prose{max-width:860px;padding:26px 0 10px}
.prose h1{font-size:34px;line-height:1.3;margin:8px 0 18px;letter-spacing:-.3px}
.prose h2{font-size:24px;margin:30px 0 12px}
.prose h3{font-size:19px;margin:24px 0 10px}
.prose p{margin:0 0 16px;color:#dbe4ef}
.prose ul,.prose ol{margin:0 0 18px 22px;color:#dbe4ef}
.prose li{margin-bottom:8px}
.prose strong{color:var(--text)}
.prose img{max-width:100%;height:auto;border-radius:8px}
.page-img{margin:6px 0 8px}
.page-img img{max-width:520px;width:100%;height:auto;border:1px solid var(--line);border-radius:10px}
.table-wrap{overflow-x:auto;margin:0 0 18px}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left}
th{background:var(--panel);color:var(--gold)}
td{color:#dbe4ef}
/* ---- cta band ---- */
.cta-band{background:linear-gradient(135deg,#16233c,#0e1830);border:1px solid var(--line);
  border-radius:14px;padding:40px 32px;margin:40px 0;text-align:center;position:relative;overflow:hidden}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{color:var(--muted);margin-bottom:22px;max-width:640px;margin-left:auto;margin-right:auto}
.cta-band .cta-row{justify-content:center;margin:0}
/* ---- contact form ---- */
.quote-form{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:32px;margin:26px 0;max-width:680px}
.quote-form h2{font-size:22px;margin-bottom:6px}
.quote-form p{color:var(--muted);font-size:14px;margin-bottom:20px}
.quote-form label{display:block;font-size:14px;font-weight:600;margin:14px 0 6px}
.quote-form input,.quote-form textarea{width:100%;background:var(--panel2);
  border:1px solid var(--line);border-radius:8px;color:var(--text);padding:12px;font-size:15px;font-family:inherit}
.quote-form input:focus,.quote-form textarea:focus{outline:none;border-color:var(--gold)}
.quote-form textarea{min-height:120px;resize:vertical}
/* ---- footer ---- */
footer.site{border-top:1px solid var(--line);background:var(--panel2);margin-top:40px}
.cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding:44px 0 28px}
.cols>*{min-width:0}
.cols a{overflow-wrap:anywhere}
.cols h4{font-size:14px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.cols a{display:block;color:var(--muted);font-size:14px;padding:9px 0}
.cols a:hover{color:var(--gold)}
.cols p{font-size:14px;color:var(--muted)}
.copy{border-top:1px solid var(--line);padding:18px 0;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
/* ---- responsive ---- */
@media (max-width:960px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .apps,.why{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .teaser{grid-template-columns:1fr}
  .prod-imgs{grid-template-columns:1fr}
  .nav-burger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
  .nav-burger span{display:block;width:24px;height:2px;background:var(--text)}
  .nav-menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--panel2);
    flex-direction:column;border-bottom:1px solid var(--line);padding:8px 24px 16px}
  .nav-toggle:checked + .nav-burger + .nav-menu{display:flex}
  .block{padding:40px 0}
}
@media (max-width:560px){
  .apps,.why,.steps{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .prose h1{font-size:27px}
}
/* ---- reduced motion ---- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}