/* HDFocus Display — dark industrial + holographic ring signature */
:root{
  --bg:#0a0e14; --bg2:#0d1219; --panel:#11161f; --panel2:#151c27;
  --line:#1f2833; --txt:#e6edf3; --muted:#8b949e; --dim:#5c6670;
  --cy:#22d3ee; --cy-dim:rgba(34,211,238,.14); --amber:#f59e0b;
  --font-d:'Space Grotesk',system-ui,sans-serif; --font-b:'Inter',system-ui,sans-serif; --font-m:'IBM Plex Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:var(--font-b);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
a{color:var(--cy);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:var(--cy);color:#000;padding:8px 12px;z-index:99}

/* holographic ring signature */
.holo-ring{position:relative;pointer-events:none}
.holo-ring--hero{position:absolute;inset:-40px auto auto -60px;width:560px;height:560px;opacity:.5;
  background:radial-gradient(circle,transparent 58%,var(--cy-dim) 60%,transparent 62%),
             radial-gradient(circle,transparent 70%,rgba(34,211,238,.09) 72%,transparent 74%),
             radial-gradient(circle,transparent 40%,rgba(245,158,11,.07) 42%,transparent 44%)}
.holo-ring--divider{height:2px;margin:8px auto;max-width:1180px;
  background:linear-gradient(90deg,transparent,var(--cy) 30%,var(--cy) 70%,transparent);opacity:.35}
.holo-ring--footer{height:120px;opacity:.25;
  background:radial-gradient(ellipse 60% 100% at 50% 100%,var(--cy-dim),transparent 70%)}

/* topbar */
.topbar{position:sticky;top:0;z-index:50;background:rgba(10,14,20,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar__in{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--txt)}
.brand:hover{text-decoration:none}
.brand__name{font-family:var(--font-d);font-weight:700;font-size:19px;letter-spacing:.02em}
.nav ul{display:flex;gap:4px;list-style:none}
.nav a{color:var(--muted);padding:8px 12px;border-radius:8px;font-size:14.5px;font-weight:500}
.nav a:hover{color:var(--txt);background:var(--panel);text-decoration:none}
.nav a.is-active{color:var(--cy)}
.topbar__cta{margin-left:auto}

/* buttons */
.btn{display:inline-block;padding:10px 20px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer}
.btn--cta{background:linear-gradient(135deg,#0ea5b7,var(--cy));color:#04121a}
.btn--cta:hover{text-decoration:none;filter:brightness(1.12)}
.btn--ghost{border-color:var(--line);color:var(--txt);background:var(--panel)}
.btn--ghost:hover{border-color:var(--cy);text-decoration:none}
.btn--lg{padding:14px 28px;font-size:16px}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#0b1018 0%,var(--bg) 100%);padding:88px 0 72px}
.hero__in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.kicker{font-family:var(--font-m);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cy);margin-bottom:14px}
.hero h1,.pagehead h1{font-family:var(--font-d);font-size:clamp(34px,4.6vw,56px);line-height:1.12;letter-spacing:-.01em;margin-bottom:18px}
.lede{font-size:18px;color:var(--muted);max-width:640px;margin-bottom:24px}
.hero__proof{list-style:none;margin:0 0 28px;display:grid;gap:8px}
.hero__proof li{font-family:var(--font-m);font-size:13.5px;color:var(--txt);padding-left:26px;position:relative}
.hero__proof li::before{content:"";position:absolute;left:2px;top:8px;width:14px;height:2px;background:var(--amber)}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap}
.hero__media img{border-radius:16px;border:1px solid var(--line);box-shadow:0 0 80px rgba(34,211,238,.12)}
.hero__ph{min-height:320px;border-radius:16px;border:1px dashed var(--line);display:flex;align-items:center;justify-content:center;color:var(--dim);font-family:var(--font-m)}

/* trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.trust__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:22px 24px}
.trust__item b{display:block;font-family:var(--font-d);font-size:26px;color:var(--cy)}
.trust__item span{font-size:13px;color:var(--muted)}

/* sections & cards */
.section{padding:64px 0}
.section h2{font-family:var(--font-d);font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px;transition:border-color .25s,transform .25s}
.card:hover{border-color:var(--cy);transform:translateY(-3px)}
.card__ring{position:absolute;inset:-1px;border-radius:14px;opacity:0;transition:opacity .25s;pointer-events:none;
  box-shadow:0 0 0 1px var(--cy),0 0 24px rgba(34,211,238,.25)}
.card:hover .card__ring{opacity:1}
.card h2{font-size:20px;margin-bottom:8px}
.card h2 a{color:var(--txt)}
.card p{color:var(--muted);font-size:14.5px;margin-bottom:12px}
.morelink{font-weight:600;font-size:14px}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.cols3 h3{font-family:var(--font-d);font-size:18px;margin-bottom:8px;color:var(--cy)}
.cols3 p{color:var(--muted);font-size:15px}

/* spec list */
.speclist{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}
.speclist li{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.speclist b{display:block;font-family:var(--font-d);font-size:16px;color:var(--cy);margin-bottom:4px}
.speclist span{font-size:14px;color:var(--muted)}
.models{font-family:var(--font-m);font-size:13px;color:var(--muted);margin-top:8px}
.models span{color:var(--amber);margin-right:8px}

/* faq */
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600}
.faq p{color:var(--muted);margin-top:8px;font-size:15px}

/* cta band */
.ctaband{background:linear-gradient(135deg,#0c1622,#101b2a);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0;margin-top:40px}
.ctaband__in{display:flex;align-items:center;justify-content:space-between;gap:32px}
.ctaband h2{font-family:var(--font-d);font-size:28px;margin-bottom:8px}
.ctaband p{color:var(--muted)}
.ctaband__btns{display:flex;gap:12px;flex-shrink:0}

/* prose */
.cols{display:grid;grid-template-columns:1fr 300px;gap:40px;padding:48px 0}
.prose h2{font-family:var(--font-d);font-size:24px;margin:32px 0 12px}
.prose h3{font-size:18px;margin:24px 0 8px;color:var(--cy)}
.prose p{margin-bottom:14px;color:#c9d4de}
.prose ul,.prose ol{margin:0 0 16px 22px;color:#c9d4de}
.prose li{margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--panel2);font-family:var(--font-m);font-size:13px;color:var(--cy)}
.prose blockquote{border-left:3px solid var(--cy);padding:8px 18px;color:var(--muted);margin:18px 0;background:var(--panel);border-radius:0 8px 8px 0}
.article h1{font-family:var(--font-d);font-size:clamp(28px,3.6vw,42px);line-height:1.2;margin-bottom:16px}
.articlesign{margin-top:36px;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:12px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.articlesign p{margin:0;color:var(--muted);font-size:14px}
.sidecard{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:20px}
.sidecard h2{font-family:var(--font-d);font-size:17px;margin-bottom:12px}
.factlist{list-style:none}
.factlist li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.factlist li:last-child{border:0}
.factlist span{color:var(--muted)}
.linklist{list-style:none}
.linklist li{margin-bottom:8px;font-size:14.5px}
.fineprint{font-size:12.5px;color:var(--dim);margin-top:10px}

/* pagehead / crumbs */
.pagehead{padding:56px 0 8px}
.crumbs{padding:18px 24px 0}
.crumbs ol{list-style:none;display:flex;gap:8px;font-size:13px;color:var(--dim)}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--dim)}

/* form */
.leadform{display:grid;gap:14px;max-width:560px}
.leadform label{display:grid;gap:6px;font-size:14px;font-weight:500}
.leadform input,.leadform select,.leadform textarea{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:12px;color:var(--txt);font-size:15px;font-family:var(--font-b)}
.leadform input:focus,.leadform select:focus,.leadform textarea:focus{outline:none;border-color:var(--cy)}
.honeypot{position:absolute;left:-9999px}

/* footer */
.footer{background:#070b10;border-top:1px solid var(--line);padding:20px 0 0;margin-top:64px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:40px 24px}
.footer__title{font-family:var(--font-d);font-weight:700;font-size:18px;margin-bottom:10px}
.footer p{color:var(--muted);font-size:14px}
.footer__h{font-family:var(--font-m);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.footer__col ul{list-style:none}
.footer__col li{margin-bottom:8px;font-size:14px}
.footer__col a{color:var(--muted)}
.footer__col a:hover{color:var(--cy)}
.footer__base{border-top:1px solid var(--line);padding:18px 24px}
.footer__base p{font-size:12.5px;color:var(--dim)}

@media(max-width:900px){
  .hero__in,.cols{grid-template-columns:1fr}
  .cards,.cols3{grid-template-columns:1fr}
  .trust__grid{grid-template-columns:1fr 1fr}
  .ctaband__in{flex-direction:column;align-items:flex-start}
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .speclist{grid-template-columns:1fr}
}
.pimg img{border-radius:14px;border:1px solid var(--line);margin:6px 0 18px}
.aboutimgs{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.aboutimgs img{border-radius:12px;border:1px solid var(--line)}
.aboutimgs figcaption{font-size:12.5px;color:var(--dim);margin-top:6px}
@media(max-width:900px){.aboutimgs{grid-template-columns:1fr}}