:root {
  --navy-950: #030712; --navy-900: #0F172A; --navy-800: #1E293B; --navy-700: #334155;
  --navy-400: #94A3B8; --navy-300: #CBD5E1; --navy-100: #F1F5F9;
  --brand: #3B82F6; --brand-light: #60A5FA; --accent: #22D3EE;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 50% -10%, rgba(59,130,246,0.18), transparent 60%), var(--navy-950);
  color: var(--navy-100);
  font-family: 'Outfit', 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding: 40px 16px 32px;
}
.hub { max-width: 480px; margin: 0 auto; }
.hub-header { text-align: center; margin-bottom: 28px; }
.hub-mark { width: 64px; height: 64px; border-radius: 14px; margin: 0 auto 14px; display: block; }
.hub-title { font-size: 28px; font-weight: 700; letter-spacing: -0.01em; color: #fff; }
.hub-bio { margin-top: 8px; color: var(--navy-300); font-family: 'Inter', system-ui, sans-serif; font-size: 15px; line-height: 1.5; }
.cards { list-style: none; display: grid; gap: 14px; }
.card {
  position: relative; overflow: hidden;
  background: rgba(15,23,42,0.6); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px; padding: 18px 18px 16px 22px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--card-accent, var(--brand)); }
.card h2 { font-size: 19px; font-weight: 600; color: #fff; }
.card p { margin-top: 4px; color: var(--navy-400); font-family: 'Inter', system-ui, sans-serif; font-size: 14px; line-height: 1.45; }
.btn {
  display: flex; align-items: center; justify-content: center; min-height: 46px; margin-top: 12px;
  border-radius: 10px; background: var(--brand); color: #fff; text-decoration: none; font-weight: 600; font-size: 16px;
  transition: background 0.2s ease;
}
.btn:hover { background: var(--brand-light); }
.btn:focus-visible, .chip:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 999px;
  border: 1px solid var(--navy-700); color: var(--navy-300); text-decoration: none; font-size: 14px;
}
.chip:hover { border-color: var(--accent); color: #fff; }
.hub-footer { margin-top: 28px; text-align: center; color: var(--navy-400); font-size: 13px; font-family: 'Inter', system-ui, sans-serif; }
.hub-footer a { color: var(--navy-300); }
@media (min-width: 768px) {
  body { padding-top: 64px; }
  .hub { max-width: 560px; }
  .hub-title { font-size: 34px; }
}