:root {
  --bg-color: #1f2334;
  --text-color: #d6e0ff;
  --nav-bg: #1f2334;
}

* {
  scroll-behavior: smooth;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-size: 15px;
  font-family: "Gabarito", serif;
  margin: 0 10em;
  background-color: var(--bg-color);
  color: var(--text-color);
}

h1 {
  font-size: 5rem;
  text-shadow: 1px 1px 10px #9eafff;
}

h2 {
  font-size: 4rem;
  text-shadow: 1px 1px 10px #9eafff;
}

p {
  font-size: 2rem;
}

span {
  font-size: 1.2rem;
}

a {
  color: var(--text-color);
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--nav-bg);
  position: fixed;
  padding: 1.5em 10em;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
}

header > a:hover {
  cursor: pointer;
}

#shortcut {
  display: flex;
  width: 20%;
}

#social {
  display: flex;
  width: 10%;
}

nav {
  display: flex;
  align-items: center;
  justify-content: center;
}

nav a,
nav i {
  text-align: center;
  transition: ease 0.3s;
  font-size: 1.2rem;
  padding-right: 1rem;
}

.dark,
.light {
  padding-right: 0;
}

nav a:hover,
nav i:hover,
.contact-item a:hover {
  cursor: pointer;
  color: #9eafff;
  transition: ease 0.3s;
}

#mobile {
  display: none;
}

.nav-mobile {
  display: none;
}

main {
  height: 100%;
}

.wrapper {
  height: 100vh;
}

.wrapper::-webkit-scrollbar {
  display: none;
}

section {
  height: 100vh;
  height: -webkit-fill-available;
  height: fill-available;
  display: flex;
  flex-direction: column;
  scroll-snap-align: start;
  padding-top: 4rem;
}

#home {
  padding-top: 0;
}

.title h1 {
  margin-bottom: 0.25rem;
  text-align: center;
}

.title p {
  margin: 0 auto;
  text-align: center;
}

.picture {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.picture img {
  width: 16.5em;
}

.profile {
  transition: opacity 1s ease;
}

#explore {
  padding-bottom: 4rem;
}

#about {
  flex-direction: column;
}

#about h2 {
  margin-bottom: 0.5rem;
}

#seeproject {
  padding-top: 350px;
}

#project {
  align-items: center;
  justify-content: center;
}

#project h2 {
  padding-bottom: 0.3em;
}

.project-container {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
}

.img {
  width: 3.5em;
  height: 29em;
  border-radius: 0.75rem;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  overflow: hidden;
  border-radius: 2rem;
  opacity: 0.3;
  margin: 0 10px;
  display: flex;
  align-items: flex-end;
  transition: 0.8s cubic-bezier(0.28, -0.03, 0, 0.99);
  box-shadow: 0px 10px 30px -5px rgba(0, 0, 0, 0.8);
}

.img > .project-item {
  display: flex;
  flex-wrap: nowrap;
}

.img > .project-item > .desc {
  display: flex;
  justify-content: center;
  flex-direction: column;
  overflow: hidden;
  height: 80px;
  width: 520px;
  opacity: 0;
  transform: translateY(30px);
  transition-delay: 0.3s;
  transition: all 0.3s ease;
}

.desc a {
  transition: all 0.5s ease;
}

.project-item {
  transition: all 0.5s ease;
}

.project-item:hover {
  transform: scale(1.03);
}

.desc a:hover {
  color: #9eafff;
}

input {
  display: none;
}

input:checked + label {
  width: 50em;
  opacity: 1;
}

input:checked + label .desc {
  opacity: 1 !important;
  transform: translateY(0) !important;
  background-color: var(--bg-color);
  border-radius: 0 10px 10px 0;
  color: var(--text-color);
  padding-left: 2em;
}

.desc a {
  pointer-events: none;
}

input:checked + label .desc a {
  pointer-events: auto;
}

.img[for="s1"] {
  background-image: url("/asset/phoning.png");
}

.img[for="s2"] {
  background-image: url("/asset/aitemshop.png");
}

.img[for="s3"] {
  background-image: url("/asset/revou.png");
}

.img[for="s4"] {
  background-image: url("/asset/random.png");
}

.img[for="s5"] {
  background-image: url("/asset/portfolio.png");
}

#talk {
  padding-top: 3em;
}

.caption {
  animation: MoveUpDown 1.8s linear infinite;
}

@keyframes MoveUpDown {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

#contact {
  padding-bottom: 200px;
}

.contact-container {
  padding-top: 30px;
}

.contact-item a {
  transition: 1s ease;
}

.contact-item i {
  font-size: 1.5em;
}

.contact-item span {
  padding-left: 10px;
  font-size: 1.5em;
}

footer {
  text-align: end;
  padding-bottom: 50px;
}

@media (min-width: 320px) and (max-width: 480px) {
  html {
    font-size: 10px;
  }

  body {
    margin: 0 3em;
  }

  .nav {
    flex-direction: row;
    padding: 1.5em 3em;
  }

  .wrapper {
    scroll-snap-type: none;
  }

  section {
  }

  #title {
    flex: 1;
  }

  #title a {
    padding: 0;
    font-size: 1em;
  }

  #mobile {
    display: flex;
  }

  .nav-mobile {
    flex-direction: column;
    align-items: flex-start;
    position: fixed;
    padding-top: 3em;
    z-index: 1;
    background-color: var(--nav-bg);
    transition: ease 1s;
    width: 50%;
    height: 100%;
    right: 0;
    animation: linear;
    animation-name: show;
    animation-duration: 0.4s;
  }

  .fa-x {
    position: fixed;
    top: 0;
    right: 0;
    padding-top: 2em;
    padding-right: 1em;
  }

  .nav-mobile-item {
    display: flex;
    flex-direction: column;
  }

  @keyframes show {
    0% {
      right: -60%;
      transform: translateX(0);
    }
    100% {
      right: 0;
      transform: translateX(0);
    }
  }

  .nav-mobile-item a {
    font-size: 1.2em;
    padding-top: 2em;
    padding-left: 2em;
  }

  .close-icon {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  #explore {
    padding-top: 50rem;
  }

  #shortcut,
  #social {
    display: none;
    width: 0;
  }

  .nav-mobile-item .dark,
  .nav-mobile-item .light {
    font-size: 1.2em;
    padding-top: 2em;
    padding-left: 2em;
  }

  .caption {
    text-align: center;
    font-size: 1.2em;
  }

  .project-container {
    flex-direction: column;
    align-items: center;
  }

  .img {
    width: 22em;
    height: 5em;
    margin-top: 1em;
  }

  .img > .project-item > .desc {
    padding-left: 1em;
    height: 4em;
    width: 23em;
  }

  .desc p {
    color: var(--text-color);
  }

  input {
    display: none;
  }

  input:checked + label {
    width: 22em;
    height: 30em;
  }

  input:checked + label .desc {
    padding-left: 2em;
  }
}