/* Upgrade card at the end of the /tools articles: one clear paid next step,
   with the price shown as "from €N" together with "price negotiable". */
.article .upgrade-card {
  margin: var(--space-8, 32px) 0;
  padding: 28px 28px 24px;
  border: 1px solid #dbe4f3;
  border-radius: 16px;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(37, 99, 235, .06);
}
.article .upgrade-card p { margin: 0; }
.article .upgrade-card .upgrade-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--primary-600, #2563eb);
}
.article .upgrade-card .upgrade-title {
  margin-top: 8px;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -.01em;
}
.article .upgrade-card .upgrade-text {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.6;
  color: #475569;
}
.article .upgrade-card .upgrade-price {
  margin-top: 16px;
  font-size: 15px;
  font-weight: 600;
  color: #0f172a;
}
.article .upgrade-card .upgrade-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 10px;
  background: var(--primary-600, #2563eb);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color .15s ease, transform .15s ease, box-shadow .15s ease;
  box-shadow: 0 2px 8px rgba(37, 99, 235, .25);
}
.article .upgrade-card .upgrade-btn:hover { background: var(--primary-700, #1d4ed8); transform: translateY(-1px); }
.article .upgrade-card .upgrade-btn:active { transform: translateY(0); }
.article .upgrade-card .upgrade-btn:focus-visible,
.article .upgrade-card .upgrade-links a:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .35);
  outline-offset: 2px;
}
.article .upgrade-card .upgrade-fine {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.5;
  color: #64748b;
}
.article .upgrade-card .upgrade-links {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #e2e8f0;
  font-size: 14px;
  line-height: 1.6;
  color: #475569;
}
.article .upgrade-card .upgrade-links a {
  color: var(--primary-600, #2563eb);
  font-weight: 600;
  text-decoration: none;
}
.article .upgrade-card .upgrade-links a:hover { text-decoration: underline; }
.calc-price-note {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #e2e8f0;
}
@media (max-width: 480px) {
  .article .upgrade-card { padding: 22px 18px 20px; }
  .article .upgrade-card .upgrade-title { font-size: 19px; }
  .article .upgrade-card .upgrade-btn { display: flex; width: 100%; }
}