:root{
  --ink:#10243A;        /* deep navy: text, console */
  --ink-2:#3C4F63;      /* secondary text */
  --paper:#F4F7F7;      /* cool page background */
  --white:#FFFFFF;
  --line:#D5DEE2;
  --brand:#E0360D;      /* Cybervzn logo orange (darkened slightly for text contrast) */
  --brand-hot:#FF6A3D;  /* brand orange on dark backgrounds */
  --amber:#F2A900;      /* medium severity */
  --red:#B42318;        /* high severity */
  --teal:#1F7A70;       /* resolved / success */
  --console:#0F2236;
  --console-line:#24405C;
  --display:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --wrap:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--body);font-size:17px;line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
a{color:inherit}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:50}
.skip:focus{left:8px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:20;background:rgba(244,247,247,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand img{height:40px;width:auto}
.nav{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:500}
.nav a{text-decoration:none;color:var(--ink-2)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 16px/1 var(--body);text-decoration:none;border:2px solid var(--ink);border-radius:999px;padding:14px 22px;cursor:pointer;transition:background .15s,color .15s,border-color .15s;background:none}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:#1c3756}
.btn-brand{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-brand:hover{background:#c12d09;border-color:#c12d09}
.btn-ghost{color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.nav .btn{padding:10px 18px;font-size:15px;color:#fff;box-shadow:none}
.menu-toggle{display:none;background:none;border:0;font:600 15px var(--body);color:var(--ink);cursor:pointer;padding:8px}
@media (max-width:900px){
  .brand img{height:32px}
  .menu-toggle{display:block}
  .nav{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 24px 20px;display:none}
  .nav.open{display:flex}
  .nav a{padding:12px 0;width:100%}
  .nav a[aria-current="page"]{box-shadow:none;color:var(--brand)}
  .nav .btn{margin-top:8px;width:auto;padding:12px 20px}
}

/* ---------- sections ---------- */
section{scroll-margin-top:84px}
.sec{padding:96px 0}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head h2,.page-title{font-family:var(--display);font-weight:800;font-size:clamp(32px,4vw,48px);line-height:1.08;letter-spacing:-.03em}
.sec-head p{margin-top:16px;font-size:18px;color:var(--ink-2)}
@media (max-width:700px){.sec{padding:64px 0}}

/* ---------- footer ---------- */
footer{background:var(--ink);color:#A9BDCF;padding:44px 0;font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:center}
footer .brand img{height:34px}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
footer a{text-decoration:none}
footer a:hover{color:#fff}
footer .tag{font-family:var(--mono);font-size:13px;color:#7F96AB}