:root{
  --bg1: 255, 99, 132;
  --bg2: 53, 162, 235;
  --fg: 255,255,255;
}
*{box-sizing:border-box}
html,body{
  height:100%;
}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: rgba(var(--fg),0.95);
  background: radial-gradient(1200px 800px at 15% 10%, rgba(var(--bg1),0.25), transparent 60%),
              radial-gradient(1200px 800px at 85% 90%, rgba(var(--bg2),0.25), transparent 60%),
              linear-gradient(135deg, rgba(var(--bg1),0.25), rgba(var(--bg2),0.25));
  backdrop-filter: none;
}
.noise{
  position: fixed; inset: 0; pointer-events:none; opacity: .05;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="160" height="160" viewBox="0 0 160 160"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="4" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.7"/></svg>');
}
.header{
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  background: rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.container{max-width:1100px;margin:0 auto;padding:20px}
.nav{
  display:flex; gap: 12px; flex-wrap: wrap; align-items:center;
}
.nav a{
  text-decoration:none; color: rgba(var(--fg),0.9);
  padding:10px 14px; border-radius: 14px;
  transition: transform .2s ease, background .2s ease, color .2s ease;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
}
.nav a:hover{ transform: translateY(-2px); background: rgba(255,255,255,0.12); }
.hero{
  padding: 60px 0 30px 0;
}
.card{
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.06);
  border-radius: 24px; padding: 24px;
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.card:hover{
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(0,0,0,0.25);
  background: rgba(255,255,255,0.1);
}
.grid{
  display:grid; gap: 20px;
  grid-template-columns: repeat(auto-fit,minmax(260px,1fr));
}
footer{
  margin-top: 60px;
  padding: 30px 0;
  color: rgba(var(--fg),0.7);
}
main{min-height:60vh}
h1,h2,h3{margin: 0 0 12px 0}
p{line-height:1.6}
.button{
  display:inline-block; padding:12px 16px; border-radius:14px; border:1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08); text-decoration:none; color: white;
}