:root{
  --bg:#0b1220;
  --panel:rgba(255,255,255,.06);
  --panel2:rgba(255,255,255,.09);
  --text:#e6edf7;
  --muted:#a9b6cc;
  --line:rgba(255,255,255,.12);
  --accent:#7c5cff;
  --accent2:#22c55e;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(124,92,255,.30), transparent 55%),
    radial-gradient(900px 500px at 85% 25%, rgba(34,197,94,.18), transparent 55%),
    radial-gradient(900px 700px at 40% 110%, rgba(56,189,248,.12), transparent 55%),
    var(--bg);
  line-height:1.7;
}

a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}

.container{
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 70px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 14px 16px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius: 18px;
  backdrop-filter: blur(10px);
}

.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:700;
  letter-spacing:.2px;
}
.logo{
  width:36px; height:36px; border-radius:12px;
  background: linear-gradient(135deg, rgba(124,92,255,1), rgba(56,189,248,1));
  box-shadow: 0 10px 30px rgba(124,92,255,.25);
}

.nav{
  display:flex; gap:10px; flex-wrap:wrap;
}
.pill{
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  color:var(--text);
  font-size:14px;
}
.pill:hover{background: rgba(255,255,255,.06); text-decoration:none}

.hero{
  margin-top:18px;
  padding: 26px 22px;
  border:1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}

.hero::after{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(600px 220px at 30% 0%, rgba(124,92,255,.25), transparent 60%),
              radial-gradient(600px 220px at 90% 30%, rgba(34,197,94,.15), transparent 60%);
  pointer-events:none;
}

.kicker{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding:6px 10px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.22);
  border-radius:999px;
  color:var(--muted);
  font-size:13px;
  position:relative;
  z-index:1;
}

h1{
  margin: 10px 0 8px;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height:1.15;
  position:relative;
  z-index:1;
}
.meta{
  color:var(--muted);
  margin:0;
  position:relative;
  z-index:1;
}

.cover{
  margin-top:18px;
  border-radius: 18px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  overflow:hidden;
  position:relative;
  z-index:1;
}
.cover img{
  width:100%;
  height:auto;
  display:block;
}

.content{
  margin-top:18px;
  display:grid;
  grid-template-columns: 1fr 280px;
  gap: 18px;
}

@media (max-width: 920px){
  .content{grid-template-columns:1fr}
}

.article{
  padding: 18px 18px;
  border:1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.04);
}

.article h2{
  margin-top:22px;
  font-size: 22px;
}
.article p{margin: 12px 0; color: var(--text)}
.article ul{margin: 10px 0 10px 18px}
.article li{margin: 8px 0; color: var(--text)}

.note{
  margin: 16px 0;
  padding: 14px 14px;
  border-radius: 16px;
  border:1px solid rgba(124,92,255,.35);
  background: rgba(124,92,255,.10);
  color: var(--text);
}

.sidebar{
  padding: 16px 16px;
  border:1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.04);
  height: fit-content;
  position: sticky;
  top: 14px;
}

.side-title{
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--muted);
}
.card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  padding: 12px;
  margin-bottom: 10px;
}
.card strong{display:block; margin-bottom:6px}
.small{color:var(--muted); font-size:14px; margin:0}

.footer{
  margin-top:18px;
  padding: 14px 16px;
  border:1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.03);
  color: var(--muted);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text);
  font-weight:600;
}
.btn:hover{background: rgba(255,255,255,.08); text-decoration:none}
.btn.primary{
  border-color: rgba(124,92,255,.5);
  background: rgba(124,92,255,.16);
}