:root {
  --teal: #008080;
  --grey: rgb(224, 224, 229);
}

* {
  margin: 0;
  padding: 0;
  }

html, body {
  margin: 0 0 0 0;
  height: 100vh;
  font-family: 'roboto', sans-serif;
  -webkit-font-smoothing: antialised;
  scroll-snap-type: proximity;
  scroll-snap-points-y: repeat(100vh);
  scroll-snap-type: y mandatory;
  overflow: hidden;
}

@media (prefers-color-scheme: light) {
  .area {
    background: #008080;  
    background: -webkit-linear-gradient(to left, #8f94fb, #4e54c8);  
    width: 100%;
    }
    :root {
      --dark-grey: #323238;
    }

.circles li{
  position: absolute;
  list-style: none;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.2);
  animation: animate 25s linear infinite;
  bottom: -150px;
  }
}

#dark-mode-toggle {
  font-family: inherit;
  font-size: 20px;
  background: transparent;
  color: white;
  padding: .5em;
  display: flex;
  align-items: center;
  border: none;
  overflow: hidden;
  position: relative;
  margin: 10px 95%;
  cursor: pointer;
}

body {
  display: grid;
  place-items: center;
}

main {
  background-size: cover;
  width: 100%;
  background-repeat: no-repeat;
}


main section {
  /*scroll-snap-align: start;*/
  height: 100vh;
}

/* .scroll1 {
  background-color: blue;
}

.scroll1 h1 {
  font-size: 100px;
  color: red;
}

.scroll2 {
  background-color: yellow;
} */

.container {
  position: relative;
  max-width: 270px;
  margin-top: -4rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  color: var(--grey)
}

.avatar {
  width: 10rem;
  margin: 11.5rem auto 0;
  position: relative;
}

.avatar > img {
  width: 10rem;
  object-fit: cover;
  border-radius: 80%;
  box-shadow: 3px 3px 20px rgb(0, 0, 0);
  /* clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); */
}

h1 {
  font-size: 1.5rem;
  margin-top: 1.5rem;
  text-shadow: 0.1px 0.1px 6px black;
}

a {
  color: var(--grey);
  text-decoration: none;
  margin-top: 0.25rem;
  text-shadow: 0.5px 0.5px 8px black;
  transition: 150ms ease-in-out;
}

.github-icon path {
  fill: var(--grey);
}

a:hover {
  color: #141414;
  text-shadow: none;
}

a:hover svg path {
  fill: #141414;
}

.bio {
  text-shadow: 0.5px 0.5px 8px black;
}

p {
  margin-top: 2rem;
}

.social {
  margin-top: 3rem;

  list-style: none;
  padding: 0;

  display: flex;
  gap: .5rem;

  justify-content: center;
}

.social li img {
  border-radius: 15%;
}

.linkedin {
  transition: ease-in-out 0.2s;
  background: var(--dark-grey);
}

.linkedin:hover {
  background: #2867b2;
  scale: 1.1;
}

.facebook {
  transition: ease-in-out 0.2s;
  background: var(--dark-grey);
}

.facebook:hover {
  background: #4267B2;
  scale: 1.1;
}

.instagram {
  background: var(--dark-grey);
  transition: ease-in-out 0.2s;
}

.instagram:hover {
  background: #d64273;
  scale: 1.1;
}

.twitter {
  background: var(--dark-grey);
  transition: ease-in-out 0.2s;
}

.twitter:hover {
  background: #1DA1F2;
  scale: 1.1;
}

.telegram {
  background: var(--dark-grey);
  transition: ease-in-out 0.2s;
}

.telegram:hover {
  background: #0088cc;
}


/* based on uiverse.io by @adamgiebl */
#contact-btn {
  font-family: inherit;
  font-size: 20px;
  background: var(--dark-grey);
  color: white;
  padding: 0.7em 1.2em;
  display: flex;
  align-items: center;
  border-radius: 10px;
  border: none;
  overflow: hidden;
  transition: all 0.2s;
  position: relative;
  margin: 10px auto;
  cursor: pointer;
 }
 
 #contact-btn span {
  display: block;
  font-size: 16px;
  margin-left: 0.3em;
  transition: all 0.3s ease-in-out;
 }
 
 #contact-btn svg {
  display: block;
  transform-origin: center center;
  transition: transform 0.3s ease-in-out;
 }

 #contact-btn a {
   display: block;
 }
 
 #contact-btn:hover .svg-wrapper {
  animation: fly-1 0.6s ease-in-out infinite alternate;
 }
 
 #contact-btn:hover svg {
  transform: translateX(2.1em) rotate(45deg) scale(1.1);
}

#contact-btn:hover {
  background-color: #0088cc;
  transform: scale(1.05);
}

#contact-btn:hover span {
  transform: translateX(8em);
 }
 
 #contact-btn:active {
  transform: scale(0.95);
 }

 @keyframes fly-1 {
  from {
   transform: translateY(0.1em);
  }
 
  to {
   transform: translateY(-0.1em);
  }
 }


/* background */

.circles{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}


.circles li:nth-child(1){
    left: 2%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
    animation-duration: 7s;
}


.circles li:nth-child(2){
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.circles li:nth-child(3){
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.circles li:nth-child(4){
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}

.circles li:nth-child(5){
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}

.circles li:nth-child(6){
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}

.circles li:nth-child(7){
    left: 35%;
    width: 110px;
    height: 110px;
    animation-delay: 7s;
}

.circles li:nth-child(8){
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
}

.circles li:nth-child(9){
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
}

.circles li:nth-child(10){
    left: 85%;
    width: 130px;
    height: 130px;
    animation-delay: 0s;
    animation-duration: 10s;
}

.circles li:nth-child(11){
    left: 15%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 9s;
}

.circles li:nth-child(12){
    left: 15%;
    width: 10px;
    height: 10px;
    animation-delay: 0s;
    animation-duration: 49s;
}

.circles li:nth-child(13){
    left: 70%;
    width: 22px;
    height: 22px;
    animation-delay: 0s;
    animation-duration: 13s;
}

.circles li:nth-child(14){
    left: 12%;
    width: 2px;
    height: 2px;
    animation-delay: 0s;
    animation-duration: 28s;
}

.circles li:nth-child(15){
    left: 78%;
    width: 40px;
    height: 40px;
    animation-delay: 0s;
    animation-duration: 18s;
}

@keyframes animate {

    0%{
        transform: translateY(0);
        opacity: 10;
        border-radius: 95%;
        filter: brightness(100%);
    }

    100%{
        transform: translateY(-1000px);
        opacity: 0;
        border-radius: 95%;
        filter: brightness(70%);
    }

}

 
@media screen and (max-width: 700px) {

  html, body {
    margin: 0;
    height: 100%;
    overflow: hidden
  }
  
  #dark-mode-toggle {
    margin-left: 85%;
  }

  #contact-btn {
    width: 45%;
    max-width: 172px;
    transform: none;
  }
  
  #contact-btn:hover {
    transform: none;
  }

  main section {
    height: 100vh;
  }

 }