:root{
  --bg: #071029;
  --card: #0f1724;
  --muted: #9aa8bd;
  --accent: #60a5fa;
  --accent-2: #5ff1d9;
  --glass: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.04);
  --max-width: 1200px;
  --radius: 12px;
}

/* Reset & base */
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;color:#e6eef8;background:linear-gradient(180deg,var(--bg),#081026);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}

.site {
  max-width:var(--max-width);
  margin:32px auto;
  padding:20px;
}

/* header */
.site-header{
  display:flex;
  gap:18px;
  align-items:center;
  justify-content:space-between;
  margin-bottom:22px;
  flex-wrap:wrap;
}
.heading{flex:1 1 480px; min-width:220px}
.heading h1{margin:0;font-size:26px;color:var(--accent);letter-spacing:-0.4px}
.lead{margin:8px 0 0;color:var(--muted);max-width:860px;line-height:1.45}

.header-actions{display:flex;gap:10px;align-items:center}
.btn {
  background: linear-gradient(180deg, var(--accent), #3b82f6);
  color:#071026;border:none;padding:10px 14px;border-radius:10px;font-weight:700;text-decoration:none;font-size:13px;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;box-shadow:0 8px 24px rgba(20,60,120,0.08);
  transition:transform .14s ease, box-shadow .14s ease, background .12s ease;
}
.btn.secondary {
  background:transparent;border:1px solid var(--border);color:var(--muted);font-weight:600;
}
.btn:hover{ transform:translateY(-3px); box-shadow:0 18px 40px rgba(10,30,60,0.12) }

/* main grid */
.hub {
  display:grid;
  grid-template-columns: 320px 1fr;
  gap:28px;
  align-items:start;
}

/* download card (left) */
.download-card{
  background:var(--card);
  border:1px solid var(--border);
  box-shadow:0 8px 30px rgba(2,6,23,0.6);
  padding:20px;
  border-radius:14px;
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:center;
  text-align:center;
}
.download-card .icon{font-size:44px}
.download-card h3{margin:0;font-size:18px}
.download-card p{margin:0;color:var(--muted);font-size:14px}
.download-card .actions{display:flex;gap:10px;margin-top:6px}
.download-note{font-size:13px;color:var(--muted);margin-top:6px}

/* right column */
.right{display:flex;flex-direction:column;gap:18px}
.right-head{display:flex;flex-direction:column;gap:8px}
.right-head h2{margin:0;color:var(--accent);font-size:18px}
.muted{color:var(--muted)}

/* card grid */
.card-row{
  display:flex;
  gap:12px;
  align-items:flex-start;
  flex-wrap:wrap;
}

/* app card */
.app-card{
  background:linear-gradient(180deg, rgba(255,255,255,0.008), rgba(255,255,255,0.006));
  border:1px solid var(--border);
  padding:14px;
  border-radius:12px;
  display:flex;
  gap:12px;
  align-items:center;
  min-width:220px;
  max-width:320px;
  box-shadow:0 6px 20px rgba(2,6,23,0.45);
  transition:transform .14s ease, box-shadow .14s ease;
  text-decoration:none;color:inherit;
}
.app-card:hover{ transform:translateY(-6px); box-shadow:0 22px 50px rgba(2,6,23,0.6); }
.app-icon{font-size:28px; width:44px; text-align:center}
.app-meta{display:flex;flex-direction:column}
.app-meta h4{margin:0;font-size:15px}
.app-meta p{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.35}

/* small helper row */
.meta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:13px}

/* footer */
.site-footer{margin-top:28px;padding:18px;border-radius:10px;background:linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.02));display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}
.footer-inner{display:flex;gap:12px;width:100%;justify-content:space-between;align-items:center}

/* responsiveness */
@media (max-width:980px){
  .hub{grid-template-columns:1fr;gap:18px}
  .download-card{order:1}
  .right{order:2}
  .card-row{justify-content:center}
  .app-card{max-width:100%}
}