:root{
  --bg:#0b1020;
  --panel:#121a33;
  --text:#e9ecff;
  --muted:#b8c0ff;
  --accent:#6ee7ff;
  --accent2:#a78bfa;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; background: var(--bg); color: var(--text); }
a{ color: inherit; text-decoration: none; }

.container{ width: min(1000px, 92%); margin: 0 auto; }

.header{
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px 0;
  position: sticky; top: 0; background: rgba(11,16,32,.85); backdrop-filter: blur(8px);
}

.logo{ font-weight: 800; letter-spacing: .5px; }
.nav{ display:flex; gap:14px; flex-wrap: wrap; }
.nav a{
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
}
.nav a:hover{ background: rgba(255,255,255,.06); color: var(--text); }

.hero{
  padding: 40px 0 10px;
}
.hero h1{ font-size: clamp(26px, 4vw, 42px); margin: 10px 0; }
.hero p{ max-width: 70ch; color: var(--muted); line-height: 1.5; }

.hero-buttons{ display:flex; gap:12px; margin-top: 18px; flex-wrap: wrap; }

.btn{
  display:inline-block;
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #081025;
  font-weight: 700;
  box-shadow: var(--shadow);
}
.btn.btn-secondary{
  background: rgba(255,255,255,.08);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: none;
}

.section{ padding: 26px 0; }
.section h2{ margin: 0 0 12px; font-size: 22px; }

.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.card{
  background: var(--panel);
  padding: 16px;
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.08);
}
.card-wide{ margin-top: 8px; }
.card p{ color: var(--muted); line-height: 1.45; }
.card h3{ margin: 0 0 8px; }

.card-img{
  height: 110px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 40px;
  background: rgba(255,255,255,.06);
  margin-bottom: 12px;
}

.card-links{ display:flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.link{
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(100,255,255,.06);
  color: var(--text);
}
.link:hover{ background: rgba(255,255,255,.10); }

.list{ margin: 10px 0 0; color: var(--muted); }
.hint{ margin-top: 10px; font-size: 13px; color: rgba(233,236,255,.75); }

.footer{
  padding: 30px 0 50px;
  color: rgba(233,236,255,.65);
  text-align:center;
}