body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  color: #fff;
  background-color: #0c2d13;
}

.hero {
  position: relative;
  height: 100vh;
  background-color: #6b8f71; /* Xanh vườn rừng */
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 50, 20, 0.6);
}

.content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 20px;
}

.logo {
  width: 120px;
  margin-bottom: 15px;
}

h1 {
  font-size: 2.5rem;
  color: #f5c542;
  margin-bottom: 10px;
}

.slogan {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
}

.desc {
  font-size: 1.1rem;
  margin-bottom: 30px;
  line-height: 1.6;
}

.buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn {
  background: #f0a500;
  color: #fff;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #ffd15c;
  color: #333;
}

.phone { background-color: #4caf50; }
.phone:hover { background-color: #6fdc82; }

.zalo { background-color: #0084ff; }
.zalo:hover { background-color: #4fa9ff; }

.menu { background-color: #f0a500; }
.menu:hover { background-color: #ffd15c; }

footer {
  text-align: center;
  padding: 15px;
  background: #05270b;
  color: #ccc;
  font-size: 0.9rem;
}