/**
 * Primary Join CTA — matches About Us (.hero-actions .btn + .btn-green).
 * Used on marketing pages and article footer "Join now".
 */
.nfb-btn-join,
.nfb-article-cta__btn,
.hero-actions .btn.btn-green,
a.btn.btn-green {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  margin: 0;
  padding: 14px 32px;
  font-family: Arial, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: bold;
  line-height: 1.3;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border-radius: 50px;
  border: 1px solid #4a7d00;
  background: linear-gradient(#a4d007, #6d9c00);
  color: #0a2700;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.6),
    0 4px 6px rgba(0, 0, 0, 0.3);
  text-shadow: 0 1px rgba(255, 255, 255, 0.4);
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.nfb-btn-join:hover,
.nfb-article-cta__btn:hover,
.hero-actions .btn.btn-green:hover,
a.btn.btn-green:hover {
  background: linear-gradient(#b8e20a, #7bb300);
  color: #0a2700;
  text-decoration: none;
  transform: scale(1.03);
}

.nfb-btn-join:focus-visible,
.nfb-article-cta__btn:focus-visible,
.hero-actions .btn.btn-green:focus-visible,
a.btn.btn-green:focus-visible {
  outline: 2px solid #4a7d00;
  outline-offset: 3px;
}

.nfb-btn-join:active,
.nfb-article-cta__btn:active,
.hero-actions .btn.btn-green:active,
a.btn.btn-green:active {
  transform: translateY(1px) scale(1);
}