/* Portal landing — external CSS (CSP hash-only script-src). */
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: #1e293b;
  background: linear-gradient(165deg, #f8fafc 0%, #e2e8f0 100%);
  min-height: 100vh;
}
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem calc(7rem + env(safe-area-inset-bottom, 0px));
}
@media (max-width: 767px) {
  .wrap { padding: 1.25rem 1rem calc(6.5rem + env(safe-area-inset-bottom, 0px)); }
  h1 { font-size: 1.35rem; }
  .card { padding: 1rem; }
}
header { text-align: center; margin-bottom: 2rem; }
h1 { font-size: 1.75rem; margin: 0 0 0.5rem; font-weight: 700; }
.sub { color: #64748b; font-size: 1rem; line-height: 1.5; }
.card {
  background: #fff;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  margin-bottom: 1rem;
}
.card h2 { font-size: 1.1rem; margin: 0 0 0.75rem; }
.card p { margin: 0; line-height: 1.6; color: #475569; }
ul { margin: 0.5rem 0 0; padding-left: 1.25rem; color: #475569; line-height: 1.7; }
footer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.85rem;
  color: #94a3b8;
}