html,
 body {
   margin: 0;
   padding: 0;
   font-family: 'Prompt', Arial, sans-serif;
 }

 .purple-navbar {
   background: linear-gradient(90deg, #a678f4, #996bfe, #7b61ff);
   border-bottom: 2px solid #a678f4;
   padding: 2px 0;
   box-shadow: 0 2px 8px rgba(178, 141, 255, 0.2);
 }

 .nav-button {
   background-color: #fff;
   color: #6f42c1;
   font-weight: 500;
   padding: 6px 10px;
   border-radius: 25px;
   text-decoration: none;
   transition: all 0.3s ease;
 }

 .nav-button:hover {
   background-color: #b28dff;
   color: #fff;
 }

 .nav-group {
   flex-shrink: 0;
 }

 .navbar-brand {
   flex-grow: 1;
   text-align: center;
   color: white;
   font-weight: bold;
   font-size: 45px;
   margin: 0;
 }

 .header {
   width: 100%;
   max-width: 1600px;
   height: 500px;
   margin: 0 auto;
   border-radius: 0 0 15px 15px;
   background-image: url('/img/banner.png');
   background-size: cover;
   background-position: center;
   background-repeat: no-repeat;
   display: flex;
   align-items: center;
   justify-content: center;
   color: white;
   text-align: center;
 }

 .container-fluid {
   max-width: 900px;
   margin: 0 auto;
 }

 .split-dropdown {
   position: relative;
   display: inline-block;
   font-family: 'Prompt', sans-serif;
 }

 .btn-main {
   background-color: #fff;
   color: #6f42c1;
   padding: 6px 12px;
   text-decoration: none;
   font-weight: 500;
   border-radius: 25px;
   transition: all 0.3s ease;
   display: inline-block;
 }

 .split-dropdown:hover .btn-main {
   background-color: #b28dff;
   color: #fff;
 }

 .dropdown-menu {
   display: none;
   position: absolute;
   top: 110%;
   left: 58%;
   transform: translateX(-50%);
   background-color: #fff;
   border: 1px solid #ddd;
   border-radius: 10px;
   min-width: 170px;
   z-index: 100;
   box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
 }

 .split-dropdown:hover .dropdown-menu {
   display: block;
 }

 .dropdown-menu a {
   display: block;
   padding: 10px 20px;
   color: #6f42c1;
   text-decoration: none;
   font-weight: 500;
 }

 .dropdown-menu a:hover {
   background-color: #f3e9ff;
   color: #4c2d8d;
 }

 .row {
   display: flex;
   flex-wrap: wrap;
   align-items: flex-start;
   justify-content: center;
 }

 .side {
   flex: 0 0 30%;
   background-color: #f1f1f1;
   padding: 20px;
   margin-top: 20px;
   position: relative;
   box-shadow: 0 -1px 20px rgba(201, 161, 255, 0.8);
 }

 .main {
   flex: 0 0 70%;
   background-color: white;
   padding: 25px;
   margin-top: 20px;
   padding-bottom: 25px;
   box-shadow: 0 -1px 20px rgba(201, 161, 255, 0.8);
 }

 .row1 {
   display: flex;
   flex-wrap: wrap;
   justify-content: center;
   gap: 10px;
 }

 .card {
   width: 14rem;
   margin: 10px;
   overflow: hidden;
   border-radius: 10px;
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
   background-color: white;
   padding: 0;
 }

 .card-img-top {
   width: 100%;
   height: 280px;
   display: block;
   transition: transform 0.3s ease;
   border-radius: 10px 10px 0 0;
 }

 .card-body {
   padding: 10px;
   text-align: center;
 }

 .card-text {
   margin: 0;
   font-size: 0.95rem;
 }

 .card-img-top:hover {
   transform: scale(1.05);
 }

 .h2 {
   display: inline-block;
   color: #fff;
   padding: 6px 14px;
   font-weight: 600;
   margin-bottom: 20px;
   background-color: #7b61ff;
   border-radius: 20px;
   transition: box-shadow 0.3s ease, transform 0.3s ease;
 }

 .h2:hover {
   box-shadow: 0 0 15px rgba(123, 97, 255, 0.8);
   transform: scale(1.03);
 }

 h5 {
   margin-bottom: 10px;
 }

 .img_pf {
   width: 200px;
   height: 200px;
   object-fit: cover;
   border-radius: 50%;
   display: block;
   margin: 0 auto 10px auto;
 }

 .img_pf:hover {
   transform: scale(1.05);
   box-shadow: 0 0 15px rgba(123, 97, 255, 0.8);
 }

 .list-unstyled {
   padding-left: 0;
   list-style: none;
   box-shadow: 0 2px 12px rgba(72, 61, 139, 0.07);
   font-size: 18px;
   margin: 0 auto;
   padding: 15px;
 }

 .box-dotted {
   width: 100%;
   max-width: 350px;
   height: 180px;
   border: 10px dotted #7b61ff;
   margin: 0 auto;
 }

 @keyframes tada {
   0% {
     transform: scale(1) rotate(0);
   }

   10%,
   20% {
     transform: scale(0.9) rotate(-3deg);
   }

   30%,
   50%,
   70%,
   90% {
     transform: scale(1.1) rotate(3deg);
   }

   40%,
   60%,
   80% {
     transform: scale(1.1) rotate(-3deg);
   }

   100% {
     transform: scale(1) rotate(0);
   }
 }

 .tada {
   display: inline-block;
   animation: tada 1s infinite;
 }

 footer {
   background: linear-gradient(90deg, #996bfe, #7b61ff);
   border-top: 2px solid #e0e0ef;
   font-size: 1rem;
   color: white;
 }