html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  height: 100%;
  font-family: sans-serif;
  background: #232323;
  color: #fff;
}

main {
  scroll-snap-type: y mandatory;
  overflow-y: scroll;
  height: 100vh;
}

.section {
  scroll-snap-align: start;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  box-sizing: border-box;
  position: relative;
}
.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  filter: blur(5px);
  opacity: 0.2;
  z-index: 0;
}
.section .content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.intro .content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-shadow: 0px 0px 9px #373737;
  color: #5488bf;
}
.intro .content h1 .myname {
  font-style: normal;
  color: #fff;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

ul {
  list-style: none;
  padding: 0;
}
ul li {
  margin: 0.5rem 0;
}

footer {
  margin-top: auto;
  padding: 1rem;
  font-size: 0.875rem;
  text-align: center;
  opacity: 0.5;
}

.section1 {
  padding: 1rem;
}
.section1::before {
  background-image: url("https://static.vecteezy.com/system/resources/thumbnails/013/384/142/small_2x/fabric-texture-abstract-pattern-black-and-white-textiles-backgrounds-photo.jpg");
}
.section1 .portrait {
  text-align: right;
  margin-top: 0;
  margin-right: -25rem;
}
.section1 .portrait img {
  width: 350px;
  height: 350px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.6);
}
.section1 .content {
  text-align: left;
  margin-left: -30rem;
}
.section1 .content h1 {
  font-size: 4rem;
  margin: -5rem 0 1rem;
  color: #5488bf;
  text-shadow: 0 0 9px #373737;
}
.section1 .content h1 .myname {
  font-style: normal;
  color: #fff;
}
.section1 .content .tagline {
  font-size: 1.7rem;
  text-align: left;
}
.section1 .content .tagline .tagline-item {
  display: inline;
  margin-right: 0.7ch;
}
.section1 .content .tagline .cursor {
  display: inline-block;
  animation: blink 1s steps(2, start) infinite;
  margin-left: 0.2ch;
}
@media (max-width: 600px) {
  .section1 .content {
    margin: 0;
  }
  .section1 .content .portrait {
    text-align: center;
    margin: 0;
  }
  .section1 .content .portrait img {
    width: 200px;
    height: 200px;
  }
  .section1 .content h1 {
    text-align: left;
    margin: 0 0 1ch 1.5rem;
    font-size: 2.7rem;
  }
  .section1 .content .tagline {
    display: block;
    margin-left: 1.5rem;
  }
  .section1 .content .tagline .tagline-item {
    display: block;
    margin-bottom: 0.3rem;
  }
  .section1 .content .tagline .tagline-item:last-child {
    margin-bottom: 0;
  }
  .section1 .content .tagline .cursor {
    margin-left: 0.4ch;
  }
}

@keyframes blink {
  0%, 100% {
    color: rgba(255, 255, 255, 0);
  }
  50% {
    color: #fff;
  }
}
.section2::before {
  background-image: url("https://wallpapers.com/images/hd/integral-project-management-cover-erpo8ef1af3wuquu.jpg");
}

.section3::before {
  background-image: url("https://visme.co/blog/wp-content/uploads/2017/07/50-Beautiful-and-Minimalist-Presentation-Backgrounds-013.jpg");
}

.section4::before {
  background-image: url("https://www.elegantthemes.com/blog/wp-content/uploads/2013/09/bg-1-full.jpg");
}

.section5::before {
  background-image: url("https://wallpapers.com/images/hd/professional-zoom-background-3h69jq8rrky7f3tj.jpg");
}