.contato-section {
  background: linear-gradient(135deg, var(--verde-whatsapp), #128C7E);
  color: var(--branco);
  position: relative;
  overflow: hidden;
}

.contato-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 1;
}

.contato-section .container {
  position: relative;
  z-index: 2;
}

.contato-section .section-title {
  color: var(--branco);
}

.contato-section .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.contato-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-3xl);
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.contato-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--branco), rgba(255, 255, 255, 0.5), var(--branco));
}

.contato-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.15);
}

.whatsapp-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-xl);
  background: var(--branco);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
  position: relative;
}

.contato-card:hover .whatsapp-icon {
  transform: scale(1.1) rotate(5deg);
}

.whatsapp-icon::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: linear-gradient(135deg, var(--branco), rgba(255, 255, 255, 0.7));
  border-radius: var(--border-radius-full);
  z-index: -1;
  opacity: 0;
  transition: var(--transition-normal);
}

.contato-card:hover .whatsapp-icon::before {
  opacity: 1;
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

.whatsapp-icon i {
  font-size: var(--font-size-6xl);
  color: var(--verde-whatsapp);
}

.contato-card h3 {
  color: var(--branco);
  font-family: var(--font-primary);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  font-weight: 700;
}

.contato-card p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  line-height: 1.6;
  margin-bottom: var(--spacing-2xl);
}

.btn-whatsapp {
  background: var(--branco);
  color: var(--verde-whatsapp);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: var(--font-size-xl);
  padding: var(--spacing-lg) var(--spacing-3xl);
  border: 3px solid var(--branco);
  border-radius: var(--border-radius-xl);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-whatsapp::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(37, 211, 102, 0.2), transparent);
  transition: var(--transition-slow);
}

.btn-whatsapp:hover::before {
  left: 100%;
}

.btn-whatsapp:hover {
  background: var(--verde-whatsapp);
  color: var(--branco);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-whatsapp i {
  margin-right: var(--spacing-md);
  font-size: var(--font-size-xl);
}

/* Animações de entrada */
.contato-card {
  opacity: 0;
  transform: translateY(50px) scale(0.9);
  transition: var(--transition-slow);
}

.contato-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Responsividade */
@media (max-width: 768px) {
  .contato-card {
    padding: var(--spacing-2xl);
  }
  
  .whatsapp-icon {
    width: 100px;
    height: 100px;
    margin-bottom: var(--spacing-lg);
  }
  
  .whatsapp-icon i {
    font-size: var(--font-size-5xl);
  }
  
  .contato-card h3 {
    font-size: var(--font-size-2xl);
  }
  
  .contato-card p {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
  }
  
  .btn-whatsapp {
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) var(--spacing-xl);
  }
}

@media (max-width: 576px) {
  .contato-card {
    padding: var(--spacing-lg);
  }
  
  .whatsapp-icon {
    width: 80px;
    height: 80px;
  }
  
  .whatsapp-icon i {
    font-size: var(--font-size-4xl);
  }
  
  .contato-card h3 {
    font-size: var(--font-size-xl);
  }
  
  .contato-card p {
    font-size: var(--font-size-sm);
  }
  
  .btn-whatsapp {
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-lg);
  }
  
  .btn-whatsapp i {
    font-size: var(--font-size-lg);
  }
}