* {
  padding: 0;
  margin: 0;
}
html {
  font-family: "Quicksand", sans-serif;
  box-sizing: border-box;
}
.main {
  display: grid;
  grid-template-columns: repeat(1, minmax(350px, 1080px));
  justify-content: center;
  margin: 0 0.5cm;
}

/*HEADINGS*/
.heading {
  margin-bottom: 60px;
  text-align: center;
}
.heading h1 {
  font-size: 50px;
  color: #37517e;
}
.heading h3 {
  font-size: 20px;
  color: crimson;
  margin-bottom: 60px;
}
.heading h3::before {
  content: "------------------------------------------";
  color: #47b2e4;
  position: relative;
  letter-spacing: -1px;
  padding: 2px;
  top: 9px;
}
.heading h3::after {
  content: "------------------------------------------";
  color: #47b2e4;
  position: relative;
  letter-spacing: -1px;
  top: 9px;
}
.heading p {
  margin-top: 30px;
  font-size: 18px;
  color: rgb(54, 54, 54);
  margin-bottom: 6rem;
}

/*MAIN CONTENT*/
.projects {
  list-style: none;
  justify-content: center;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 500px));
  grid-gap: 30px 65px;
}
.projectcard {
  width: 100%;
  height: 300px;
  background-size: 120%;
  background-position: center;
  text-align: center;
  border: 1px solid rgb(236, 236, 236);
  border-radius: 30px;
  box-shadow: 0px 23px 30px 0 rgb(105, 105, 105);
  overflow: hidden;
  transition: background-size 0.8s;
  transition-timing-function: ease-out;
}
.e1 {
  background-image: url("../assets/img/projimages/wb.PNG");
}

.e2 {
  background-image: url("../assets/img/projimages/ap.jpg");
}

.e3 {
  background-image: url("../assets/img/projimages/ai.jpg");
}
.e4 {
  background-image: url("../assets/img/projimages/code.jpg");
}
.e5 {
  background-image: url("../assets/img/projimages/robo.jpg");
}
.e6 {
  background-image: url("../assets/img/projimages/ml.png");
}
.txt {
  height: 100%;
  color: white;
  position: relative;
  top: -100%;
  transition: top 0.8s;
  background: linear-gradient(black, rgba(0, 0, 0, 0));
}
.txt h4 {
  height: 30%;
  font-size: 40px;
  font-weight: bold;
}
.txt div {
  height: 42%;
  font-size: 20px;
  font-weight: bold;
  overflow: hidden;
}
.txt p {
  color: white;
  font-size: 23px;
  font-weight: bold;
  margin: 0;
}
.btn {
  display: inline-block;
  background: rgba(58, 135, 165, 0.8);
  text-decoration: none;
  font-size: 18px;
  width: 130px;
  border-radius: 15px;
  color: white;
  padding: 0;
}

.projectcard:hover .txt {
  top: 0%;
}
.projectcard:hover {
  background-size: 128%;
}
.projlink {
  color: red;
}
/*RESPONSIVE RULES*/
@media screen and (max-width: 600px) {
  .projectcard {
    height: 220px;
    width: 350px;
    margin: auto;
  }

  .heading p {
    margin: 30px 50px;
  }
  .txt h4 {
    height: 25%;
    font-size: 30px;
    font-weight: bold;
  }
  .txt div {
    height: 43%;
    font-size: 16px;
  }
  .txt p {
    margin: 0;
    font-size: 16px;
  }
  .btn {
    height: 25px;
    font-size: 15px;
  }
}