/* ===== KNOPPEN ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.375rem;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  border-radius: var(--radius-md);
  border: 0.125rem solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

.btn:active {
  transform: translateY(0.0625rem) scale(0.99);
}

/* Primaire knop - donker teal, witte tekst */
.btn-primary {
  background-color: var(--color-primary-darker);
  color: #fff;
  border-color: var(--color-primary-darker);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
  box-shadow: var(--shadow-md);
  transform: translateY(-0.0625rem);
}

/* Outline knop */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary-darker);
  border-color: var(--color-primary-darker);
}

.btn-outline:hover {
  background-color: var(--color-primary-muted);
  color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-0.0625rem);
}

/* Ghost knop (voor donkere secties) */
.btn-ghost {
  background-color: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.22);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

/* Maten */
.btn-sm {
  padding: 0.4rem 1rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 0.875rem 1.875rem;
  font-size: var(--text-lg);
}

/* ===== KAARTEN ===== */
.card {
  background: var(--color-bg);
  border: 0.0625rem solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-spring);
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-0.1875rem);
}

.card-accent {
  border-top: 0.1875rem solid var(--color-primary);
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-muted);
  color: var(--color-primary-darker);
  letter-spacing: 0.01em;
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: #25D366;
  color: #fff;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.125rem;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 0.25rem 1.25rem rgba(37, 211, 102, 0.35);
  transition:
    transform var(--transition-spring),
    box-shadow var(--transition-base);
}

.whatsapp-float:hover {
  color: #fff;
  transform: translateY(-0.125rem) scale(1.03);
  box-shadow: 0 0.5rem 1.75rem rgba(37, 211, 102, 0.45);
}

.whatsapp-float svg {
  flex-shrink: 0;
}

@media (max-width: 30rem) {
  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    padding: 0.75rem;
    border-radius: var(--radius-full);
  }

  .whatsapp-float span {
    display: none;
  }
}