:root {
  --white: #ffffff;
  --dark-gray: #3d3d3d;
  --light-gray: #d3d3d3;
  --light-purple: #a980f3;
}

/* pulled from this site: https://animated-gradient-background-generator.netlify.app/ */
.gradient {
  background: linear-gradient(
    211deg,
    var(--white),
    var(--light-purple),
    #9cdbf5,
    #a2a5a7
  );
  background-size: 240% 240%;
  animation: gradient-animation 18s ease infinite;
}
@keyframes gradient-animation {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
@keyframes fadeInAnimation {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes fadeOutAnimation {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

body {
  font-family: "Inter", sans-serif;
  overflow: hidden;
  color: var(--white);
  position: relative;
  height: 100vh;
}

/* styling for hamburger navbar */
.icon1,
.icon2,
.icon3 {
  position: absolute;
  left: 25%;
  top: 50%;
  width: 2rem;
  height: 0.12rem;
  background-color: var(--white);
}
.icon1 {
  transform: translateY(-8px);
}
.icon3 {
  transform: translateY(8px);
}
.hamburger {
  position: absolute;
  height: 60px;
  width: 60px;
  top: 4%;
  left: 2%;
  z-index: 1000;
  border-radius: 35%;
  background: var(--dark-gray);
}
.hamburger:hover {
  transform: scale(1.2);
}
nav {
  background: var(--light-gray);
  position: absolute;
  top: 0;
  left: 0;
  height: 100vh;
  width: 0%;
  z-index: 10;
  opacity: 0;
  transition: all 600ms cubic-bezier(0.62, 0.04, 0.3, 1.56);
  transition-delay: 100ms;
  font-size: large;
}
.navbar-elements {
  margin: 0;
  position: absolute;
  top: 20%;
  left: 20%;
}
.navbar-elements li {
  list-style-type: none;
  font-size: 2rem;
  line-height: 2.2;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}
.navbar-elements a {
  text-decoration: none;
  color: var(--white);
}
.navbar-elements a:hover {
  color: var(--dark-gray);
}
nav.show {
  width: 30%;
  opacity: 1;
}

/* old styling */

hgroup {
  padding-left: 1rem;
  margin-top: 12vh !important;
}

h1 {
  color: white;
  font-size: 2rem;
  margin-bottom: 0;
}

h3 {
  padding-left: 1rem;
  text-decoration: underline;
  font-size: 2rem;
  margin-top: 15vh;
}

h4 {
  font-size: 1.5rem;
  margin-top: 0;
}

p {
  margin-top: 0.5em;
}

#summary {
  font-family: "Roboto Flex", sans-serif;
}

.section hgroup {
  padding-left: 1rem;
  text-align: left;
  display: block;
  align-self: flex-start;
  margin-top: 1rem;
}

.section {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  height: 100vh;
}

#firstPage {
  align-items: center !important;
}

#current-classes {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  align-content: center;
  gap: 12rem;
  margin-top: 2rem;
}

class-card {
  background-color: #a2a5a7;
  height: 35vh;
  width: 20vw;
  border-radius: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
}

#courses {
  margin-top: 3rem;
}

.courseDetails {
  color: white;
  font-family: "Roboto Flex", sans-serif;
}

#secondPage {
  margin-top: 5rem;
}

#currentReads {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  padding-left: 1rem;
  padding-right: 1rem;
}

#bookDetails {
  display: flex;
  align-items: center;
  gap: 3rem;
}

#right-side {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  font-size: 1.5rem;
}

#right-side a {
  display: inline-block;
  background-color: #3d3d3d;
  padding: 1rem;
  color: white;
  border-radius: 1em;
  align-self: center;
  text-decoration: none;
  font-family: "Roboto Flex", sans-serif;
}

#right-side a:hover {
  transform: scale(1.2);
}

/* styling for phones */
@media (max-width: 600px) {
  .hamburger {
    height: 40px;
    width: 40px;
    left: 6%;
  }
  .icon1,
  .icon2,
  .icon3 {
    left: 22.5%;
    width: 1.5rem;
  }
  .navbar-elements a {
    color: var(--dark-gray);
  }
  .navbar-elements {
    top: 25%;
    left: 0%;
  }
  nav.show {
    width: 100%;
    opacity: 1;
  }

  /* styling outside of navbar */

  hgroup {
    text-align: center;
    padding-left: 0;
    margin-top: 2rem;
  }

  h3 {
    font-size: 1rem;
    margin-top: 2vh !important;
    padding-left: 0;
  }

  #current-classes {
    margin-top: 0;
    flex-direction: column;
    gap: 1rem;
  }

  class-card {
    width: 90vw;
    height: 20vh;
  }

  #secondPage {
    flex-direction: column;
  }

  #bookDetails {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  #bookDetails img {
    width: 40vw;
    height: 30vh;
  }

  h4 {
    font-size: 0.75rem;
  }

  #left-side {
    text-align: center;
  }

  #right-side {
    font-size: 0.75rem;
  }

  #right-side a {
    text-align: center;
  }

  h1 {
    font-size: 1.5rem;
  }

  p {
    font-size: 1rem;
    margin-top: 0;
    margin-bottom: -1rem;
  }

  #secondPage {
    margin-top: 100vh;
  }

  #secondPage h3 {
    margin-top: 2vh !important;
  }

  #book-cover {
    margin-bottom: -1rem;
  }
}

@media (max-width: 1100px) and (min-width: 601px) {
  class-card {
    width: 30vw;
    height: 20vh;
  }

  h3 {
    margin-top: 20%;
  }

  .navber-elements {
    font-size: 1rem;
  }
}