@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

* {
   margin: 0;
   padding: 0;
   box-sizing: border-box;
   font-family: 'poppins';
}





body {
   height: 100%;
   width: 100%;
}

.header-div {
   width: 100%;
   text-align: center;
   margin: 1.5vw 0;
}


h1 {
   font-size: 2rem;
   text-shadow: 1px 1px 4px #a8c1ff;

}

.chopta {
   font-size: 1.2rem;
   color: #555;
   margin-top: 10px;
}

.main {
   width: 80%;
   background: #ffffffcc;
   margin: 0 auto;
   border-radius: 15px;
   box-shadow: 0 10px 20px rgba(36, 54, 101, 0.15);
   padding: 30px 40px;
   text-align: justify;

}

.abc {
   display: flex;
   align-items: center;
   justify-content: space-between;
}


button {
   background-color: #1b3b72;
   color: white;
   cursor: pointer;
   border: none;
   border-radius: 5px;
   padding: 10px 15px;
   transition: background-color 0.3s;
   margin-bottom: 10px;
   margin-left: 250px;
   font-size: 1.1vw;
}

button:hover {
   background-color: #155a8a;

}


details {
   margin: 10px 0;
   padding: 10px;
   background: #e9f5ff;
   border-radius: 5px;
}

summary {
   cursor: pointer;
   font-weight: bold;
}


.watsapp {
   position: fixed;
   height: 4.5vw;
   width: 4.5vw;
   color: aliceblue;
   padding: 10px 20px;
   border: none;
   border-radius: 50%;
   cursor: pointer;
   font-size: 26px;
   transition: transform 0.3s ease-in;
   background-color: rgb(77, 236, 91);
   text-align: right;
   right: 5%;
   bottom: 3%;
   margin-top: 30%;
   display: flex;
   align-items: center;
   justify-content: center;
   text-decoration: none;
}

.watsapp i {
   font-size: 2.5vw;

}


.watsapp:hover {
   background-color: rgb(74, 194, 84);
}

img {
   width: 100%;
   height: 40vw;
   margin-bottom: 3vw;
}

a {
   text-decoration: none;
   color: blue;
}

ul {
   padding: 1vw 1.3vw;
}





@media screen and (max-width: 480px) {
   .header-div {
      margin: 4vw 0;
   }

   h1 {
      font-size: 6vw;
   }

   .chopta {
      font-size: 3.5vw;
   }

   .main {
      width: 95%;
      padding: 20px;
      border-radius: 10px;
   }

   .abc {
      flex-direction: column;
      align-items: flex-start;

      gap: 10px;
   }

   button {
      font-size: 3.5vw;
      margin-left: 15vw;
      width: 100%;
      text-align: center;
   }

   h3 {
      font-size: 4.5vw;
   }

   details {
      font-size: 4vw;
   }

   summary {
      font-size: 4vw;
   }

   .watsapp {
      height: 13vw;
      width: 13vw;
      font-size: 6vw;
   }

   .watsapp i {
      font-size: 7vw;
   }

   img {
      height: auto;
      max-height: 60vh;
      object-fit: cover;
   }

   ul {
      padding: 3vw;
   }
}