body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #fdfdfd;
  color: #333;
}

.banner {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.banner img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* Navbar */
.navbar {
  background: #4CAF50;
  color: white;
  padding: 10px 20px;
  position: relative;
}

.navbar .menu-toggle {
  display: none;
  cursor: pointer;
  font-size: 20px;
}
.menu-text {
  font-size: 14px;   /* chữ nhỏ lại */
  margin-left: 4px;  /* cách biểu tượng ☰ một chút */
  vertical-align: middle;
}

.navbar .nav-list {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

.navbar .nav-list li {
  margin: 10px;
}

.navbar .nav-list a {
  color: white;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
  transition: background 0.3s;
}

.navbar .nav-list a:hover {
  background: #45a049;
}

/* Mobile */
@media (max-width: 768px) {
  .navbar {
    position: relative;
  }
 .menu-text {
    font-size: 12px;
  }
.banner {
    height: auto; /* banner mobile cao hơn chút */
    width: 100%;
  }
.banner img {
    height: 100%;
    width: 100%;
  }

  .navbar .menu-toggle {
    display: block;
    cursor: pointer;
    z-index: 1000;
    font-size: 20px;
    padding: 10px 15px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
  }

  .navbar .nav-list {
    overflow: hidden;
    max-height: 0;
    flex-direction: column;
    width: 100%;
    background: #4CAF50;
    transition: max-height 0.4s ease-in-out;
    margin: 0;
    padding: 0;
  }

  .navbar .nav-list.active {
    max-height: 500px; /* đủ chỗ menu */
  }

  .navbar .nav-list li {
    width: 100%;
    text-align: center;
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
  }

  .navbar .nav-list li:first-child {
    border-top: none;
  }

  .navbar .nav-list li a {
    display: block;
    width: 100%;
    padding: 12px 0;
    color: white;
    text-decoration: none;
  }

  .navbar .nav-list li a:hover {
    background: rgba(0, 0, 0, 0.2);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .banner {
    height: 450px; /* banner desktop vừa mắt */
    width: 100%;
  }
  .banner img {
    height: 100%;
    width: 100%;
  }
}

/* Tablet */
@media (max-width: 1023px) and (min-width: 769px) {
  .banner {
    height: 250px;
  }
  .banner img {
    height: 100%;
  }
}
/* Nội dung */
.content {
  padding: 2px;
  text-align: center;
}

.nhaphoc-btn {
  margin-top: 20px;
  background: #2196F3;
  color: white;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

.nhaphoc-btn:hover {
  background: #0b7dda;
}

/* Footer */
.footer {
  background: #333;
  color: #ddd;
  padding: 20px;
  text-align: center;
  font-size: 14px;
}

.admission-info {
  background: #f9f9ff;
  border: 1px solid #e0e0f0;
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  line-height: 1.6;
  font-size: 16px;
  text-align: left;
}

.admission-info h2 {
  color: #2a4d9c;
  margin-top: 15px;
  margin-bottom: 8px;
  font-size: 18px;
}

.admission-info ul,
.admission-info ol {
  padding-left: 20px;
}

.admission-info li {
  margin-bottom: 6px;
}

.admission-info a {
  color: #0066cc;
  text-decoration: none;
  font-weight: 500;
}

.admission-info a:hover {
  text-decoration: underline;
  color: #004c99;
}