/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg-white);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(43, 159, 232, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-light);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

/* WhatsApp modal */
.wa-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.wa-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.wa-modal-card {
  background: white;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  max-width: 480px;
  width: 90%;
  box-shadow: 0 24px 64px rgba(0,0,0,0.15);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
}

.wa-modal-overlay.active .wa-modal-card {
  transform: scale(1) translateY(0);
}

.wa-modal-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

/* Grid backgrounds */
.bg-grid-pattern,
.bg-grid-pattern-dark {
  position: relative;
}

.bg-grid-pattern::before,
.bg-grid-pattern-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: 40px 40px;
  z-index: 0;
  pointer-events: none;
}

.bg-grid-pattern::before {
  background-image: linear-gradient(to right, rgba(0,0,0,0.04) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0,0,0,0.04) 1px, transparent 1px);
}

.bg-grid-pattern-dark::before {
  background-image: linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
}

.bg-grid-pattern > *,
.bg-grid-pattern-dark > * {
  position: relative;
  z-index: 1;
}