:root {
  --bg0: #0b0a1a;
  --bg1: #14122b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(124,58,237,0.35), transparent 60%),
    radial-gradient(1000px 500px at 90% 0%, rgba(219,39,119,0.25), transparent 55%),
    linear-gradient(160deg, var(--bg1), var(--bg0));
  background-attachment: fixed;
  min-height: 100vh;
}

.psl-header {
  position: relative;
}
.psl-title {
  background: linear-gradient(90deg, #67e8f9, #f472b6, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
  animation: glowpulse 3.5s ease-in-out infinite;
}
@keyframes glowpulse {
  0%,100% { filter: drop-shadow(0 0 8px rgba(167,139,250,0.35)); }
  50%     { filter: drop-shadow(0 0 22px rgba(244,114,182,0.55)); }
}

input[type=range].psl-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 999px;
  background: rgba(148,163,184,0.25);
  outline: none;
  cursor: pointer;
}
input[type=range].psl-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid currentColor;
  box-shadow: 0 0 8px rgba(255,255,255,0.4);
}
input[type=range].psl-slider::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #a78bfa;
}

/* animated section reveal */
main > div > * {
  animation: fadein 0.4s ease both;
}
@keyframes fadein {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

::selection { background: rgba(244,114,182,0.4); }