* {
  box-sizing: border-box;
}

html,
body {
  --border-radius: 100px;
  --blue: #1c47ff;
  --pink: #d6a3fb;
  --green: #daff94;
  --grey: #e5e5e5;
  --gutter: 3.125vw 6.25vw;

  margin: 0;
  padding: 0;
  background: #000;
  color: #fff;
  font-size: 20px;
  font-family: "Syne", sans-serif;
}

h1 {
  font-size: 70px;
  line-height: 1em;
  margin: 0px;
}

h2 {
  font-size: 60px;
  margin: 0px;
}

a {
  color: #fff;
  text-decoration: none;
}

section {
  position: relative;
  width: 100%;
  height: calc(100vh - 100px);
  display: flex;
  top: 100px;
  z-index: 2;
}

section.sticky {
  position: sticky;
  margin-top: 100px;
}

section.full-screen {
  height: 100vh;
  top: 0;
  margin-top: 0;
  z-index: 3;
}

/* Navigation */

nav {
  position: fixed;
  width: 100%;
  height: 100px;
  top: 0;
  left: 0;
  font-size: 20px;
  z-index: 1;
}

nav ul {
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

nav ul li {
  list-style: none;
  margin-left: 45px;
}

nav ul li a {
  color: #fff;
  font-family: monospace;
}

/* About section */
section.about .empty {
  flex-basis: 37.5vw;
  background: var(--grey);
  border-radius: var(--border-radius);
  transition: flex-basis 1s cubic-bezier(0, 0.9, 0.4, 0.99);
}
section.about article {
  flex: 1;
  display: flex;
  flex-direction: column;
}

section.about article .title {
  flex: 1;
  display: flex;
  align-items: flex-end;
  /* flex-basis: 15.5vh; */
  background: var(--blue);
  border-radius: var(--border-radius);
  padding: var(--gutter);
  transition: flex-basis 1s cubic-bezier(0, 0.9, 0.4, 0.99);
}

section.about article .description {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--pink);
  border-radius: var(--border-radius);
  padding: var(--gutter);
  color: #000;
}

/* Service section */

section.service article {
  display: flex;
  width: 100%;
}

section.service figure {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-basis: 56.25vw;
  margin: 0;
  background: var(--pink);
  border-radius: var(--border-radius);
  max-width: 62.5vw;
  transition: flex-basis 1s cubic-bezier(0, 0.9, 0.4, 0.99);
}

section.service figure img {
  width: 40%;
}

section.service .text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  background: #1f1a1c;
  padding: 6.25vw;
  border-radius: var(--border-radius);
}

section.service .text a {
  font-family: "Space Mono", monospace;
}

/* service section animation */

section.service.service-html figure img {
  animation-name: floaty;
  animation-duration: 1s;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  animation-timing-function: cubic-bezier(0.77, 0.28, 0.42, 0.93);
}

section.service.service-css figure img {
  animation-name: floatx;
  animation-duration: 1s;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  animation-timing-function: cubic-bezier(0.77, 0.28, 0.42, 0.93);
}
section.service.service-js figure img {
  animation-name: scale;
  animation-duration: 1s;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  animation-timing-function: cubic-bezier(0.77, 0.28, 0.42, 0.93);
}

@keyframes floaty {
  0% {
    transform: translateY(-5%);
  }
  100% {
    transform: translateY(5%);
  }
}

@keyframes floatx {
  0% {
    transform: translateX(-20px);
  }
  100% {
    transform: translateX(20px);
  }
}

@keyframes scale {
  0% {
    /* transform: rotate(10deg) scale(0.95); */
    transform: scale(0.9);
  }
  100% {
    /* transform: rotate(-10deg); */
    transform: scale(1);
  }
}

/* section service overrides */

section.service.service-html figure {
  background: var(--green);
}
section.service.service-html .text h2,
section.service.service-html a {
  color: var(--green);
}

section.service.service-css figure {
  background: var(--blue);
}

section.service.service-css .text h2,
section.service.service-css a {
  color: var(--blue);
}
section.service.service-js figure {
  background: var(--pink);
}

section.service.service-js .text h2,
section.service.service-js a {
  color: var(--pink);
}

/* Contact section*/
section.contact {
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    var(--blue),
    var(--green) 60%,
    var(--pink) 70%,
    var(--grey)
  );
  border-radius: var(--border-radius);
  /* mix-blend-mode: difference; */
}

section.contact a {
  font-size: 100px;
  color: #000;
  font-weight: bold;
  transition: filter 2s cubic-bezier(0.77, 0.28, 0.42, 0.93);
  will-change: filter;
  /* transition-duration: 2s; */
}

section.contact a:hover {
  /* color: #ffffff; */
  filter: blur(20px);
}

/* Responsive */

@media only screen and (max-width: 768px) {
  html,
  body {
    --border-radius: 50px;
    --gutter: 6.25vw;
  }

  h1 {
    font-size: 60px;
  }

  h2 {
    font-size: 40px;
  }

  nav ul li {
    margin-left: 25px;
  }

  section.about .empty {
    display: none;
  }

  section.service article {
    flex-direction: column;
  }

  section.service figure {
    flex-basis: 35vh;
  }

  section.service figure img {
    width: 20%;
  }
  section.contact a {
    font-size: 50px;
    transform: rotate(90deg);
  }
}