/* Halo: Campaign Evolved theme — UNSC steel night, Spartan HUD green + shield cyan.
   Load with assets/hub.css or assets/article.css.
   Page must also load Google Fonts: Chakra Petch + Rajdhani. */
:root{
  --c1:#4ee08a;    /* Spartan HUD / energy green */
  --c1b:#a8ffc8;
  --c2:#29d0e6;    /* shield recharge cyan */
  --c3:#8a6fd1;    /* Covenant plasma purple (accent only) */
  --bg:#05080a;
  --bg2:#0a1310;
  --glass:rgba(78,224,138,0.06);
  --glass-brd:rgba(41,208,230,0.20);
  --radius:10px;
  --font-head:'Chakra Petch',sans-serif;
  --font-body:'Rajdhani',sans-serif;
}
/* cold UNSC night, drifting toward a faint green horizon glow */
.bg{background:linear-gradient(180deg,#05080a 0%,#0a1310 42%,#060b09 74%,#040706 100%)}
.bg::before{content:"";position:absolute;inset:0;
  background:radial-gradient(56% 46% at 50% 22%,rgba(78,224,138,.15),transparent 62%),
             radial-gradient(42% 36% at 14% 68%,rgba(41,208,230,.10),transparent 56%),
             radial-gradient(36% 30% at 88% 16%,rgba(138,111,209,.10),transparent 52%);
  -webkit-mask-image:linear-gradient(#000,#000 80%,transparent);mask-image:linear-gradient(#000,#000 80%,transparent)}
/* sharp military HUD: uppercase, tight tracking, high-contrast headings */
.hero h1,h2.title,.cta-band h2{text-transform:uppercase;letter-spacing:.04em;font-weight:700}
.eyebrow,.kicker,.card .tag,.brand{letter-spacing:.22em}
.card h3{text-transform:uppercase;font-size:.88rem;letter-spacing:.03em}