Particle Starfield — Playground

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.hs-star {
  position: relative;
  width: 100%;
  min-height: clamp(240px, 32vh, 100vh);
  padding: clamp(20px, 4vh, 60px) clamp(16px, 4vw, 40px);
  background: radial-gradient(80% 80% at 50% 100%, #1a0a3a 0%, #06060c 70%);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  font-family: system-ui, sans-serif; color: #f0eeff; text-align: center;
}
.hs-star-bg, .hs-star-bg2 {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 20px 30px,  rgba(255,255,255,0.85), transparent),
    radial-gradient(1px 1px at 60px 70px,  rgba(255,255,255,0.7),  transparent),
    radial-gradient(1.5px 1.5px at 110px 40px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 160px 90px, rgba(167,139,250,0.7), transparent),
    radial-gradient(1px 1px at 200px 20px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.5px 1.5px at 240px 70px, rgba(255,108,138,0.65), transparent),
    radial-gradient(1px 1px at 280px 50px, rgba(255,255,255,0.7), transparent);
  background-size: 320px 120px;
  background-repeat: repeat;
  animation: hs-star-pan 60s linear infinite;
}
.hs-star-bg2 {
  background-image:
    radial-gradient(1px 1px at 30px 80px,  rgba(255,255,255,0.55), transparent),
    radial-gradient(1px 1px at 90px 30px,  rgba(167,139,250,0.6),  transparent),
    radial-gradient(1px 1px at 150px 100px, rgba(255,255,255,0.45), transparent),
    radial-gradient(1px 1px at 220px 50px, rgba(255,255,255,0.65), transparent),
    radial-gradient(1px 1px at 280px 110px, rgba(46,184,138,0.5),  transparent);
  background-size: 320px 160px;
  animation-duration: 90s;
  opacity: 0.7;
}
.hs-star-c {
  position: relative; z-index: 1; max-width: 560px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hs-star-eye {
  font-family: monospace; font-size: clamp(9px, 1.3vw, 11px);
  letter-spacing: 0.14em; color: #a78bfa; text-transform: uppercase;
}
.hs-star h1 {
  margin: 0; font-size: clamp(24px, 5.5vw, 64px);
  font-weight: 900; line-height: 1.05; letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 30%, #a78bfa 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hs-star p { margin: 0; font-size: clamp(11px, 1.5vw, 15px); color: #b8b6d4; }
.hs-star-cta {
  padding: 9px 20px; border-radius: 7px;
  background: linear-gradient(135deg, #7c6cff, #a78bfa); color: #fff;
  font-size: clamp(11px, 1.5vw, 14px); font-weight: 700;
  text-decoration: none; margin-top: 4px;
  box-shadow: 0 8px 32px rgba(124,108,255,0.4);
  transition: transform 0.15s;
}
.hs-star-cta:hover { transform: translateY(-2px); }
@keyframes hs-star-pan { to { transform: translateX(-320px); } }
@media (prefers-reduced-motion: reduce) {
  .hs-star-bg, .hs-star-bg2 { animation: none; }
}

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