html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: dimgray;
  font-family: "Courier New", Courier, monospace;
  min-width: 530px;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

button {
  outline: none;
  border: none;
}

input {
  outline: none;
  border: none;
}

/* Menu */
nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  box-shadow: 5px 10px 30px rgba(0, 0, 0, 0.2);
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 1;
  background-color: dimgray;
}

nav ul {
  display: flex;
}

nav ul li a {
  font-family: "Courier New", Courier, monospace;
  height: 40px;
  line-height: 32px;
  margin: 3px;
  padding: 0px 17px;
  display: flex;
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 500;
  color: white;
  letter-spacing: 1px;
  transition: 0.6s ease;
}

nav ul li:not(.active) a:hover a:active {
  border-bottom: 2px solid greenyellow;
  box-shadow: 5px 10px 30px rgba(0, 255, 128, 0.4);
}
.active {
  border-bottom: 2px solid greenyellow;
  box-shadow: 5px 10px 30px rgba(0, 255, 128, 0.4);
}

/* Button */
.button {
  width: 120px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: aquamarine;
  box-shadow: 5px 10px 30px rgba(0, 255, 128, 0.4);
  border-radius: 10px;
  color: black;
  transition: 0.6s ease-in-out;
  margin-bottom: 20px;
}
.button:hover {
  background-color: greenyellow;
}

@media screen and (min-width: 1024px) {
  /* Gallery Display */
  .section-heading {
    text-align: center;
    color: white;
  }
  .section-heading h1 {
    font-size: 2.5rem;
    margin-top: 100px;
  }
  .section-heading p {
    color: white;
    margin-top: -20px;
  }
  .item-gallery {
    display: flex;
    align-items: center;
    width: 100%;
    height: 80%;
  }
  .item-box {
    background-color: white;
    width: 80%;
    height: 650px;
    margin: 0 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 4px 10px 12px rgba(0, 255, 128, 0.4);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 20px;
    margin-bottom: 60px;
  }
  .item-text {
    width: 100%;
    height: 35%;
    text-align: center;
  }
  .item-text h3 {
    margin-top: 40px;
  }
  .item-text p {
    text-align: center;
    margin: 0 10%;
  }
  .item-list {
    text-align: left;
    list-style: circle;
    margin-left: 10%;
    margin-right: 10%;
  }

  /* Top of page */
  #header {
    width: 100%;
    height: 100vh;
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
  }
  #header img {
    height: auto;
    width: 600px;
    position: relative;
    border-radius: 50%;
    margin-left: 20px;
  }
  .header-heading {
    width: 500px;
    position: relative;
    color: white;
    padding: 0 20px;
    margin-right: 20px;
  }
  .header-heading h2 {
    font-size: 2rem;
    margin-bottom: 10px;
  }
  .header-heading h1 {
    font-size: 3rem;
    letter-spacing: 3px;
    margin: 0px;
  }
  .header-heading h1 span {
    color: greenyellow;
  }
  .header-heading p {
    color: white;
  }

  /* About */
  #about {
    width: 100%;
    height: 100vh;
    background-color: darkslategrey;
    display: flex;
    box-sizing: border-box;
    align-items: center;
    justify-content: space-around;
    padding: 50px 20px 0 20px;
    position: relative;
  }
  #about img {
    width: 40%;
    height: auto;
    margin-left: 5%;
  }
  .about-text {
    display: flex;
    flex-direction: column;
    align-items: left;
    color: white;
    margin-right: 10%;
    margin-left: 20px;
  }
  .about-text h2 {
    font-size: 2rem;
    font-weight: 600;
  }
  .about-text h2 span {
    color: aquamarine;
  }
  .about-text h3 {
    color: aquamarine;
  }
  .about-text p {
    width: 500px;
    color: white;
  }

  /* courses */
  #courses {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    flex-direction: column;
    padding-bottom: 20px;
  }
  #courses .item-gallery .item-box img {
    width: 300px;
    height: 220px;
    margin: 20px;
  }

  /* Projects */
  #projects {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    flex-direction: column;
    background-color: darkslategray;
    padding-bottom: 5%;
  }
  #projects .item-gallery .item-box img {
    width: 100%;
    height: 40%;
  }

  /* Contact */
  #contact {
    width: 100%;
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
  #contact form {
    width: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
  #contact form label {
    color: white;
    margin: 10px 0;
  }
  #contact form input,
  #contact form textarea {
    width: 100%;
    height: 50px;
    margin: 5px 0px;
    padding: 10px;
    background-color: white;
    color: black;
    border-radius: 5px;
  }
  #contact form input:focus,
  #contact form textarea:focus {
    color: black;
    background-color: greenyellow;
    box-shadow: 4px 10px 12px rgba(0, 255, 128, 0.4);
  }
  #contact form textarea {
    height: 150px;
  }
  #contact form input[type="submit"] {
    height: 45px;
    background-color: greenyellow;
    color: black;
    text-transform: uppercase;
  }
  #contact form input[type="submit"]:focus {
    background-color: aquamarine;
    box-shadow: 4px 10px 12px rgba(0, 255, 128, 0.4);
  }

  /* Footer */
  #footer {
    width: 100%;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background-color: darkslategray;
    padding: 10px 0;
  }
  .footer-icons {
    display: flex;
    flex-direction: row;
  }
  .footer-icons a img {
    height: 50px;
    width: auto;
  }
}

@media screen and (max-width: 1023px) {
  /* Gallery Display */
  .section-heading {
    text-align: center;
    color: white;
  }
  .section-heading h1 {
    font-size: 2.5rem;
    margin-top: 100px;
  }
  .section-heading p {
    color: white;
    margin-bottom: 50px;
    margin-top: -20px;
  }
  .item-gallery {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
  .item-box {
    background-color: white;
    width: fit-content;
    height: 100%;
    margin: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 4px 10px 12px rgba(0, 255, 128, 0.4);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 80px;
  }
  .item-box img {
    height: 150px;
    width: auto;
    margin-top: 10px;
  }
  .item-text {
    width: 100%;
    height: 35%;
    text-align: center;
    margin-top: 30px;
    padding: 10px;
  }
  .item-text p {
    text-align: center;
  }

  /* Top of page */
  #header {
    width: 100%;
    height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  #header img {
    height: 55%;
    width: auto;
    position: relative;
    border-radius: 50%;
  }
  .header-heading {
    width: 500px;
    position: relative;
    color: white;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  .header-heading h2 {
    font-size: 2rem;
    margin-bottom: 10px;
  }
  .header-heading h1 {
    font-size: 3rem;
    letter-spacing: 3px;
    margin: 0px;
  }
  .header-heading h1 span {
    color: greenyellow;
  }
  .header-heading p {
    color: white;
  }

  /* About */
  #about {
    width: 100%;
    height: 100vh;
    background-color: darkslategrey;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    align-items: center;
    justify-content: space-around;
    padding: 10px 20px;
    position: relative;
  }
  #about img {
    width: 100%;
    height: 50%;
    margin-top: 70px;
  }
  .about-text {
    display: flex;
    flex-direction: column;
    align-items: left;
    color: white;
    padding: 10px;
  }
  .about-text h2 {
    font-size: 2rem;
    font-weight: 600;
  }
  .about-text h2 span {
    color: aquamarine;
  }
  .about-text h3 {
    color: aquamarine;
  }
  .about-text p {
    width: 100%;
    color: white;
  }

  /* courses */
  #courses {
    width: 100%;
    height: fit-content;
    display: flex;
    align-items: center;
    flex-direction: column;
    padding-bottom: 20px;
  }

  /* Projects */
  #projects {
    width: 100%;
    height: fit-content;
    display: flex;
    align-items: center;
    flex-direction: column;
    background-color: darkslategray;
    padding-bottom: 20px;
  }

  /* Contact */
  #contact {
    width: 100%;
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
  #contact form {
    width: 70%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
  #contact form label {
    color: white;
    margin: 10px 0;
  }
  #contact form input,
  #contact form textarea {
    width: 100%;
    height: 50px;
    margin: 5px 0px;
    padding: 10px;
    background-color: white;
    color: black;
    border-radius: 5px;
  }
  #contact form input:focus,
  #contact form textarea:focus {
    color: black;
    background-color: greenyellow;
    box-shadow: 4px 10px 12px rgba(0, 255, 128, 0.4);
  }
  #contact form textarea {
    height: 150px;
  }
  #contact form input[type="submit"] {
    height: 45px;
    background-color: greenyellow;
    color: black;
    text-transform: uppercase;
  }
  #contact form input[type="submit"]:focus {
    background-color: aquamarine;
    box-shadow: 4px 10px 12px rgba(0, 255, 128, 0.4);
  }

  /* Footer */
  #footer {
    width: 100%;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background-color: darkslategray;
    padding: 10px 0;
  }
  .footer-icons {
    display: flex;
    flex-direction: row;
  }
  .footer-icons a img {
    height: 50px;
    width: auto;
  }
}