/* CSS cho thanh điều hướng */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "DM Sans", sans-serif;
    text-decoration: none;
  }
  
  .loader {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
  }
  
  .loader>div {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 5px solid rgb(45, 45, 216);
    border-top-color: transparent;
    animation: spin 1s linear infinite;
  }
  
  .loader img {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 50px;
  }
  
  @keyframes spin {
    to {
      transform: rotate(1turn);
    }
  }
  
  .navbar {
    font-weight: 1000;
    background: linear-gradient(to right, #4F8EF7, #3A5FCD);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    position: fixed;
    width: 100%;
    z-index: 100;
    top: 0;
  }
  
  .logo a {
    color: white;
    font-size: 20px;
    font-weight: bold;
  }
  
  .logo img {
    height: 100px;
    width: 100px;
    border-radius: 5px;
  }
  
  .navbar-items {
    display: flex;
    align-items: center;
  }
  
  .navbar-items a {
    color: white;
    text-decoration: none;
    margin-right: 20px;
  }
  
  .navbar-items button {
    background-color: orange;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 5px;
  }
  
  .navbar-items a.join,
  .navbar-items a.login {
    background-color: orange;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 5px;
    text-decoration: none;
    /* Đảm bảo không có gạch chân dưới liên kết */
    font-weight: 1000;
    margin-right: 10px;
  }
  
  .navbar-items a.join:hover,
  .navbar-items a.login:hover {
    background-color: white;
    color: black;
    cursor: pointer;
  }
  
  /* CSS cho menu di động */
  .menu-icon {
    display: none;
    /* Ẩn nút menu trên các kích thước lớn hơn */
    flex-direction: column;
    cursor: pointer;
  }
  
  .menu-icon span {
    width: 30px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
  }
  
  /* Sử dụng media queries để xác định phản hồi của thanh điều hướng */
  @media screen and (max-width: 768px) {
    .navbar-items {
      display: none;
      /* Ẩn menu trên các kích thước nhỏ hơn */
      margin-top: 60px;
      text-align: center;
      flex-direction: column;
      position: absolute;
      top: 60px;
      left: 0;
      right: 0;
      background-color: #333;
      text-align: center;
      z-index: 1;
    }
  
    .navbar-items.active {
      display: flex;
    }
  
    .menu-icon {
      display: flex;
    }
  }

/* CSS for the page content */
header {
  margin-top: 120px;
    background-color: #007BFF;
    color: #fff;
    text-align: center;
    padding: 20px;
}

.main-content {
    margin: 20px;
    text-align: left;
}

h2 {
    font-size: 24px;
    margin-bottom: 20px;
}

p {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 20px;
}

.call-to-action {
    background-color: #007BFF;
    color: #fff;
    text-align: center;
    padding: 20px;
}

.call-to-action h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.call-to-action p {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 20px;
}

.call-to-action .button {
    display: inline-block;
    background-color: #fff;
    color: #007BFF;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
}

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

body {
  line-height: 1.5;
  font-family: 'Poppins', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.container {
  max-width: 1170px;
  margin: auto;
}

.row {
  display: flex;
  flex-wrap: wrap;
}

ul {
  list-style: none;
}

.footer {
  background-color: #24262b;
  padding: 70px 0;
}

.footer-col {
  width: 25%;
  padding: 0 15px;
}

.footer-col h4 {
  font-size: 18px;
  color: #ffffff;
  text-transform: capitalize;
  margin-bottom: 35px;
  font-weight: 500;
  position: relative;
}

.footer-col h4::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  background-color: #e91e63;
  height: 2px;
  box-sizing: border-box;
  width: 50px;
}

.footer-col ul li:not(:last-child) {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 16px;
  text-transform: capitalize;
  color: #ffffff;
  text-decoration: none;
  font-weight: 300;
  color: #bbbbbb;
  display: block;
  transition: all 0.3s ease;
}

.footer-col ul li a:hover {
  color: #ffffff;
  padding-left: 8px;
}

.footer-col .social-links a {
  display: inline-block;
  height: 40px;
  width: 40px;
  background-color: rgba(255, 255, 255, 0.2);
  margin: 0 10px 10px 0;
  text-align: center;
  line-height: 40px;
  border-radius: 50%;
  color: #ffffff;
  transition: all 0.5s ease;
}

.footer-col .social-links a:hover {
  color: #24262b;
  background-color: #ffffff;
}

/*responsive*/
@media(max-width: 767px) {
  .footer-col {
    width: 50%;
    margin-bottom: 30px;
  }
}

@media(max-width: 574px) {
  .footer-col {
    width: 100%;
  }
}