.contact-section {
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 20px;
}

.contact-title {
  text-align: center;
  font-size: 28px;
  font-weight: 900;
  color: #8B0000;
  margin-bottom: 40px;
  text-transform: uppercase;
}

.contact-flex {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.contact-form {
  flex: 1 1 500px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form input,
.contact-form select {
  padding: 12px 16px;
  font-size: 16px;
  border: none;
  border-bottom: 2px solid #2c2c70;
  background-color: transparent;
  font-family: 'Montserrat', sans-serif;
}

.contact-form button {
  padding: 14px;
  font-size: 16px;
  font-weight: bold;
  background: #2c2c70;
  color: white;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.contact-form button:hover {
  background-color: #1a1a4f;
}

.contact-map {
  flex: 1 1 500px;
  height: 400px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.popup-form {
  background: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 12px 24px rgba(0,0,0,0.25);
  animation: fadeIn 0.4s ease-in-out;
  text-align: center;
  font-size: 20px;
}

.zalo-link {
  background: #0084ff;
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  display: inline-block;
  margin-top: 10px;
}

.zalo-link:hover {
  background: #0066cc;
}

@keyframes fadeIn {
  from {opacity: 0; transform: translateY(-20px);}
  to {opacity: 1; transform: translateY(0);}
}

@media (max-width: 768px) {
  .contact-flex {
    flex-direction: column;
  }
  .contact-map {
    height: 300px;
  }
}

/* nút liên hệ */
.floating-contact {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.circle-button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s;
  text-decoration: none;
}

.circle-button:hover {
  transform: scale(1.1);
}

.call {
  background-color: #e53935;
}

.messenger {
  background-color: #0078ff;
}

.facebook {
  background-color: #1877f2;
}

.map {
  background-color: #fdd835;
  color: #000;
}