body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background-color: #0b1a2e;
  color: #fff;
  overflow-x: hidden;
}

header {
  background-color: #101c34;
  padding: 20px;
  text-align: center;
  border-bottom: 3px solid #d4af37;
  animation: fadeIn 2s ease-in;
}

.logo h1 {
  color: #d4af37;
  margin: 10px 0 5px;
}

.logo p {
  font-style: italic;
  color: #ccc;
}

.contact p {
  margin: 5px 0;
  font-size: 14px;
}

.intro {
  padding: 40px;
  text-align: center;
  background-color: #162544;
  animation: slideUp 1.5s ease-out;
}

.services {
  padding: 40px;
  text-align: center;
}

.service {
  margin: 20px auto;
  max-width: 800px;
  background-color: #1e2f50;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service:hover {
  transform: scale(1.03);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
}

.service img {
  width: 100%;
  border-radius: 10px;
}

.service h3 {
  color: #d4af37;
  margin-top: 15px;
}

.contact-buttons {
  text-align: center;
  padding: 40px;
  background-color: #162544;
}

.btn {
  display: inline-block;
  margin: 10px;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn.zalo {
  background-color: #0084ff;
  color: #fff;
}

.btn.email {
  background-color: #d4af37;
  color: #0b1a2e;
}

.btn:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

footer {
  background-color: #101c34;
  text-align: center;
  padding: 15px;
  font-size: 14px;
  border-top: 2px solid #d4af37;
}

/* Hiệu ứng chuyển động */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.fade-in {
  animation: fadeIn 2s ease-in;
}

.slide-up {
  animation: slideUp 1.5s ease-out;
}