:root{
  --bg:#0b0f14;          /* page base */
  --panel:#0f141b;       /* cards/nav */
  --ink:#e8eef5;         /* primary text */
  --muted:#9fb0c5;       /* secondary text */
  --brand:#8fd0ff;       /* link/cta */
  --brand-ink:#0b0f14;   /* on brand */
  --ring:rgba(143,208,255,.35);
}

html,body {
  height:100%
}

body{
  margin:0; font:400 16px/1.6 ui-sans-serif, system-ui, "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  background:var(--bg); color:var(--ink);
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}

.container{max-width:1120px; margin-inline:auto; padding-inline:24px}

/* Nav */
.nav {
  position:sticky; 
  top:0; 
  z-index:40; 
  backdrop-filter:saturate(120%) blur(6px);
  background:linear-gradient(to bottom, rgba(11,15,20,.85), rgba(11,15,20,.55)); 
  border-bottom:1px solid rgba(255,255,255,.06);
}

.nav .inner {
  display:flex; 
  align-items:center; 
  gap:20px; 
  height:64px
}
.logo {
  font-weight:800; 
  letter-spacing:.16em
}
.nav a { 
  color:var(--muted); 
  text-decoration:none
}
.nav a:hover {
  color:var(--ink)
}
.spacer {
  flex:1
}
.cta {
  display:inline-flex; 
  align-items:center; 
  gap:10px; 
  padding:10px 16px; 
  border-radius:999px; 
  background:var(--brand); 
  color:var(--brand-ink) !important; 
  font-weight:700; 
  text-decoration:none; 
  box-shadow:0 6px 22px rgba(143,208,255,.18)
}

.cta:hover {
  box-shadow:0 8px 28px rgba(143,208,255,.28)
}

/* Banner */
.banner{
  position:relative; 
  isolation:isolate; 
  overflow:clip; 
  background:#0b0f14;
}

.banner x-song {
  display:block
}

.brand {
  position:absolute; 
  inset:0; 
  display:grid; 
  place-items:center; 
  pointer-events:none
}

.brand h1 {
  margin:0; 
  font-weight:900; 
  letter-spacing:.18em; 
  text-transform:uppercase; 
  color:#e8eef5;
  font-size:clamp(28px, 6vw, 66px);
  /*  text-shadow:0 1px 2px rgba(0,0,0,.55), 0 8px 30px rgba(0,0,0,.35);*/
  -webkit-text-stroke:1px rgba(0,0,0,.25);
  text-shadow: 0px 0px 1px black, 0px 0px 32px black;
}

.banner::after{
  content:""; 
  position:absolute; 
  inset:0; 
  pointer-events:none;
  background:radial-gradient(60% 50% at 50% 50%, rgba(0,0,0,.16) 0%, rgba(0,0,0,0) 60%);
}

/* Hero copy under banner */
.hero {
  padding:48px 0
}
.hero h2 {
  margin:0 0 10px; 
  font-size:clamp(22px,3.2vw,34px)
}
.hero p {
  margin:0 0 18px; 
  color:var(--muted)
}
.pills {
  display:flex; 
  flex-wrap:wrap; 
  gap:10px; 
  margin-top:14px
}
.pill {
  padding:6px 10px; 
  border-radius:999px; 
  background:rgba(255,255,255,.06); 
  color:var(--ink); 
  border:1px solid rgba(255,255,255,.08)
}

/* Feature cards */
.grid {
  display:grid; 
  grid-template-columns:repeat(3, 1fr); 
  gap:18px
}
.card {
  background:var(--panel); 
  border:1px solid rgba(255,255,255,.06); 
  border-radius:14px;
  padding:18px;
  box-shadow:0 24px 60px rgba(0,0,0,.18)
}
.card h3 {
  margin:0 0 8px; 
  font-size:18px
}
.card p {
  margin:0; 
  color:var(--muted)
}

@media (max-width:900px){ .grid{grid-template-columns:1fr 1fr} }
@media (max-width:620px){ .grid{grid-template-columns:1fr}; .nav .inner{height:56px} }

/* Footer */
footer{margin-top:60px; border-top:1px solid rgba(255,255,255,.08); padding:28px 0; color:var(--muted)}

/* Accessibility: links focus */
a:focus-visible {
  outline:3px solid var(--ring); 
  outline-offset:3px; 
  border-radius:8px
}