.hub-body {
  align-items: flex-start;
  padding: 48px 16px 32px;
}

.hub-page {
  width: 100%;
  max-width: 780px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.hub-header { text-align: center; }
.hub-logo {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -1px;
}
.hub-tagline {
  color: var(--muted);
  margin-top: 6px;
  font-size: .95rem;
}

/* Category sections */
.hub-main {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.hub-section { display: flex; flex-direction: column; gap: 12px; }

.hub-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin: 0;
}

/* Grid */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}

/* Tool Card */
.tool-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 20px 20px 20px;
  text-decoration: none;
  color: var(--text);
  transition: border-color .2s, box-shadow .2s, transform .15s;
  position: relative;
}

a.tool-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 20px rgba(79,110,247,.12);
  transform: translateY(-2px);
}

.tool-card--soon {
  opacity: .6;
  cursor: default;
}

.tool-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: 12px;
}

.tool-info { flex: 1; min-width: 0; }
.tool-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.tool-desc {
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.45;
}

.tool-arrow {
  color: var(--primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.tool-badge {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: .7rem;
  font-weight: 600;
  background: var(--border);
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 50px;
}

/* Back link on sub-pages */
.back-link {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  font-size: .85rem;
  margin-bottom: 8px;
  transition: color .15s;
}
.back-link:hover { color: var(--primary); }

.hub-footer {
  text-align: center;
  color: var(--muted);
  font-size: .8rem;
}

@media (max-width: 480px) {
  .hub-grid { grid-template-columns: 1fr; }
  .hub-logo { font-size: 1.8rem; }
}