/* v9 / A quiet, persistent sky behind the sticky header controls. */
.site-header {
  isolation:isolate;
  background:#0b0925;
}
.site-header > :not(.header-sky) { position:relative; z-index:1; }
.site-header .brand, .site-header .desktop-nav, .site-header .header-actions {
  text-shadow:0 1px 5px #07051f;
}
.header-sky {
  position:absolute; inset:0; z-index:0; overflow:hidden; pointer-events:none;
  background:
    radial-gradient(ellipse at 49% 110%,#713b785e,transparent 65%),
    radial-gradient(ellipse at 83% 0%,#34367363,transparent 50%),
    linear-gradient(100deg,#0b0925,#211333 52%,#0c0b27);
}
.header-sky:before, .header-sky:after { content:""; position:absolute; inset:0; pointer-events:none; }
.header-sky:before {
  background:url("../img/hero-starfield.svg") center 42% / 760px 475px repeat;
  opacity:.74;
}
.header-sky:after {
  background:linear-gradient(90deg,#0908235c,transparent 22%,transparent 72%,#0908233d);
}
.header-spark {
  position:absolute; left:var(--x); top:var(--y); width:2px; height:2px;
  border-radius:50%; background:#ffe6bb; opacity:.55;
  box-shadow:0 0 5px 1px #ffe1b244,0 0 11px #cfb4ff44;
}
.header-spark:before, .header-spark:after {
  content:""; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  background:linear-gradient(transparent,#fff2d9,transparent);
}
.header-spark:before { width:1px; height:8px; }
.header-spark:after { width:6px; height:1px; background:linear-gradient(90deg,transparent,#fff2d9,transparent); }
.header-meteor {
  --flight:clamp(130px,23vw,370px);
  position:absolute; left:66%; top:calc(100% - 31px);
  width:clamp(58px,14vw,150px); height:1px; opacity:0;
  transform-origin:left center;
  background:linear-gradient(90deg,#fff2d9,#ffdda65e 30%,#d8b5ff24 64%,transparent);
}
.header-meteor:before {
  content:""; position:absolute; left:-1px; top:-1px; width:3px; height:3px;
  border-radius:50%; background:#fff2dc; box-shadow:0 0 6px 1px #ffe1b277;
}
.header-meteor--second { left:94%; top:17px; }
.js[data-motion="on"] .header-spark {
  animation:header-twinkle var(--duration,5s) var(--delay,0s) ease-in-out infinite alternate;
}
.js[data-motion="on"] .header-meteor { animation:header-meteor 10s 1s linear infinite; }
.js[data-motion="on"] .header-meteor--second { animation-delay:6s; }
@keyframes header-twinkle {
  from { opacity:.2; transform:scale(.7); }
  to { opacity:.85; transform:scale(1.1); }
}
@keyframes header-meteor {
  0% { opacity:0; transform:translate3d(0,0,0) rotate(-8deg); }
  3% { opacity:.8; }
  14% { opacity:.65; }
  19%,100% { opacity:0; transform:translate3d(calc(-1 * var(--flight)),19px,0) rotate(-8deg); }
}
@media(max-width:767px) {
  .header-sky:before { background-size:560px 350px; opacity:.68; }
  .header-sky:after { background:linear-gradient(90deg,#09082355,transparent 43%,transparent 70%,#09082333); }
  .header-meteor { left:76%; }
  .header-meteor--second { left:95%; }
}
@media(prefers-reduced-motion:reduce) {
  .header-spark,.header-meteor { animation:none!important; }
}