/* The Tools (/tools) and Learn (/learn) hubs (services/site_hubs.py). */
.hub-main { max-width: 1120px; margin: 0 auto; padding: 28px 24px 64px; }
.hub-breadcrumbs { margin: 0 0 18px; }
.hub-head { margin: 0 0 28px; }
.hub-head h1 { font-size: clamp(2rem, 4vw, 2.8rem); letter-spacing: -0.03em; line-height: 1.1; margin: 0 0 10px; }
.hub-lede { color: var(--muted); font-size: 1.05rem; max-width: 62ch; margin: 0; }
.hub-actions { margin: 20px 0 0; }
.hub-app-btn { display: inline-flex; align-items: center; min-height: 48px; padding: 12px 22px; font-size: 15px; }
.hub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.hub-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 24px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06); min-width: 0; }
.hub-card-title { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; margin: 0 0 8px; }
.hub-card-title a { color: var(--text); text-decoration: none; }
.hub-card-title a:hover { text-decoration: underline; }
.hub-tag { font-size: 11px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 8px;
  border-radius: 999px; background: #d1fae5; color: #065f46; }
.hub-card-desc { color: var(--muted); margin: 0 0 14px; line-height: 1.55; }
.hub-card-sub { font-size: 0.8rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.hub-links { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.hub-links li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.hub-links a { color: var(--text); font-weight: 700; text-decoration: none; overflow-wrap: anywhere; }
.hub-links a:hover { text-decoration: underline; }
.hub-link-desc { display: block; color: var(--muted); font-size: 0.92rem; line-height: 1.5; margin-top: 2px; }
.hub-card a:focus-visible, .hub-app-btn:focus-visible { outline: 3px solid #3730a3; outline-offset: 3px; border-radius: 6px; }
@media (max-width: 640px) {
  .hub-main { padding: 20px 16px 48px; }
  .hub-grid { grid-template-columns: minmax(0, 1fr); }
  .hub-card { padding: 20px; }
}