:root{
  --bg:#0b1220;
  --card:#0f1b33;
  --text:#e6edf7;
  --muted:#a9b7d0;
  --border:rgba(255,255,255,.08);
  --accent:#5aa7ff;
  --shadow: 0 12px 30px rgba(0,0,0,.35);
  --radius:14px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background: radial-gradient(1200px 700px at 10% 10%, rgba(90,167,255,.12), transparent 60%),
              radial-gradient(900px 500px at 90% 0%, rgba(120,255,214,.08), transparent 60%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}

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

.container{
  width:min(980px, 92vw);
  margin:0 auto;
}

.site-header{
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.7);
  border-bottom:1px solid var(--border);
  padding:18px 0;
  z-index:10;
}

.brand__title{
  font-weight:700;
  letter-spacing:.2px;
}
.brand__subtitle{
  color:var(--muted);
  font-size:.95rem;
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 55%), var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:18px 18px;
  margin:18px 0;
}

h1,h2{ margin:0 0 10px 0; }
h1{ font-size:1.35rem; }
h2{ font-size:1.05rem; }

.muted{ color:var(--muted); margin:0; }

.grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:14px;
}

@media (max-width: 780px){
  .grid{ grid-template-columns: 1fr; }
}

.dl{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap:10px 14px;
  margin:0;
}

.dl dt{
  color:var(--muted);
  font-weight:600;
}
.dl dd{
  margin:0;
}

.actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:12px;
}

.btn{
  display:inline-block;
  padding:10px 12px;
  border-radius: 12px;
  background: rgba(90,167,255,.15);
  border:1px solid rgba(90,167,255,.35);
  color: var(--text);
  text-decoration:none;
}
.btn:hover{
  background: rgba(90,167,255,.22);
  text-decoration:none;
}

.btn--ghost{
  background: transparent;
  border:1px solid var(--border);
}

.site-footer{
  padding:18px 0 40px;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  border-top:1px solid var(--border);
  padding-top:18px;
}