@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');

:root {
  --dark: #2E3047;
  --light: #EDEEFF;
  --accent: #3BBA9C;
  --gray: #AAAABC;
}

/* General */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--dark);
  color: var(--gray);
  font-family: 'Roboto', sans-serif;
  letter-spacing: .8px;
}

h1, h2, h3, h4{
  letter-spacing: 2px;
}

section{
  padding-top: 150px;
}

.container{
  max-width: 1140px;
  margin: 0 auto;
  overflow: hidden;
}

.link{
  border: 2px solid var(--accent); 
  border-radius: 3px; 
  background-color: transparent;
  text-decoration: none;
  color: var(--accent);
}

.link:hover{
  background-color: var(--accent);
  color: var(--light);
}

/* Navbar */
#navbar{
  position: fixed;
  top:0;
  left:0;
  right: 0;
  background-color: var(--dark); 
  box-shadow: 0 2px 2px -2px rgba(0,0,0,.9);    
  z-index: 5;
}

#navbar-container{
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;  
  height: 58px;
}

#logo{
  color: var(--accent);
  font-size: 28px;
  letter-spacing: 1.5px;
  font-weight: bold;
  padding: 0 5px;
  text-decoration: none;
}

.burger-menu {
  display: none;
}

#nav-links {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
}

#nav-list {
  display: flex;
}

.nav-link {
  list-style: none;
  padding: 0 15px;
}

.nav-link a{
  text-decoration: none;
  color: var(--gray);
}

.nav-link a:hover{
  color: var(--light);
}

/* Main */
/* Hero section */
#hero{
  display: block;
  height: 100vh;  
}

#hero h4{
  font-size: 18px;
  color: var(--accent);
}

#hero h1{
  font-size: 80px;
  color: var(--light);
}

#hero h2{
  font-size: 70px;
  color: var(--gray);
  margin-bottom: 30px;
}

#hero p{
  max-width: 500px;
  font-size: 18px;
}

.mail-link{
  display: inline-block;
  margin-top: 60px;
  padding: 15px 20px;
  font-size: 18px; 
}

#about-me{
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  margin: 0 60px;
}

.section-heading{
  font-size: 48px;
  color: var(--accent);
} 

.hr {
  /* display: block;     */
  width: 100px;
  background-color: var(--gray);
  height: 1px;
  opacity: .6;
  margin: 20px 0 40px 0;
}

#about-me p{
  max-width: 700px;
  font-size: 18px;
}

.hl{
  color: var(--light);
}

/* Skills section */
#skills{
  display: flex;
  flex-direction: column;
  margin: 0 60px;
}

.info{
  display: flex;
  justify-content: space-between;
  font-size: 18px;
}

.info p{
  flex: .4;
}

#tech{
  flex: .5;
  transform: translateY(-30px);
}

#tech h3{
  margin-bottom: 10px;
  color: var(--light);
}

#tech-list{
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 200px));
  list-style: none;
  background-color: rgba(0, 0, 0, .3);  
}

#tech-list li{
  padding: 7px 0;
  font-size: 18px;
  color: var(--light);
}

#tech-list li::before{
  content: '▹';
  color: var(--accent);
  font-weight: bold;
  font-size: 14px;
  padding: 0 10px;
}

#projects-container{
  display: flex;
  flex-direction: column;
}

#projects .section-heading{
  text-align: center;
}

#projects .hr, #contact .hr{
  margin: 20px auto 40px auto;
}

.project{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 50px 0;
}

.image{
  width: 500px;
  height: auto;    
}

.about-project { 
  text-align: right;
}

.sub {
  color: var(--accent);  
  letter-spacing: .8px;
}

.project-title {
  color: var(--light);
  font-size: 26px;
  margin: 5px 0 25px 0;
}

.project-descr{
  background-color: rgba(0, 0, 0, .3);
  max-width: 550px;
  padding: 20px 10px;
}

.tags {
  display: flex;
  justify-content: flex-end;  
  flex-wrap: wrap;
}

.tag {
  padding: 15px 10px;
}

.tag::before{
  content: '#';
  font-size: 14px;
  margin: 0 3px;
}

.project-link {
  border: 1px solid var(--accent);
  padding: 5px 10px;
  color: var(--accent);
  margin: 20px 10px;
}

.project-reverse{
  flex-direction: row-reverse;
}

.project-reverse .about-project{
  text-align: left;
}

.project-reverse .tags {
  justify-content: flex-start;
}

#contact {
  text-align: center;
}

#contact-heading{
  text-transform: uppercase;
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 40px;
}

#contact p{
  font-size: 20px;
  color: var(--light);
}

#contact .mail-link{
  border: 1px solid var(--accent);
  padding: 15px 30px;
  font-size: 20px;
  text-transform: uppercase;  
}

#contact .mail-link:hover{
  color: var(--light);
}

footer{
  padding: 40px 0 20px 0;
  text-align: center;
}

footer a{
  color: var(--gray);  
}

@media (max-width: 780px) {
  #hero{
    /* padding: 0 20px; */
  }
  #hero h4{
    font-size: 16px;
  }

  #hero h1, #hero h2{
    font-size: 70px;
  }

  .project{
    flex-direction: column;
  }

  .about-project, .project-reverse .about-project{
    text-align: center;
  }

  .tags, .project-reverse .tags{
    justify-content: center;
  }
}

@media (max-width: 715px) {
  #navbar .container{
    position: relative;
  }

  .burger-menu{
    display: block;
  }

  .burger-menu{
    color: var(--light);
    font-size: 29px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 28px;
    cursor: pointer;
    z-index: 1500;
  }

  .burger-menu .fa-window-close{
    display: none;
  }

  #nav-links{
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 45%;
    background-color: var(--gray);
    flex-direction: column;
    justify-content: center;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform .5s;
  }

  .nav-link{
    padding: 30px;
  }

  .nav-link a{
    text-transform: uppercase;
    color: var(--dark);
  }

  .open .fa-window-close{
    display: block;
  }
  
  .open .fa-bars{
    display: none;
  }
  
  .open #nav-links{
    transform: translateX(0);
  }  

  #about-me, #skills {
    padding: 150px 20px;
  }
}

@media (max-width: 650px) {
  #about-me, #skills {
    padding: 75px 15px;
    margin: 0;
  }

  #hero h1, #hero h2{
    font-size: 60px;
  }

  #about-me, #skills{
    align-items: center;
    text-align: center;
    padding-left: 30px;
    padding-right: 30px;
  }

  #skills .hr{
    margin-left: auto;
    margin-right: auto;
  }

  .info{
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .info p{
    padding-bottom: 50px;
  }

  #tech{
    transform: translateY(0);
  }

  #tech-list{
    text-align: left;
  }
}

@media (max-width: 550px) {
  #nav-links{
    width: 60%;
  }

  #hero h4{
    font-size: 14px;
  }

  #hero h1, #hero h2{
    font-size: 40px;
  }

  #hero p{
    font-size: 16px;
  }

  #hero .mail-link{
    padding: 10px 15px;
    font-size: 16px;
  }

  .section-heading, #contact-heading{
    font-size: 38px;
  }

  #projects{
    padding-left: 20px;
    padding-right: 20px;
  }

  .project .image {
    width: 100%;
  }

  .tags{
    margin: 20px 0;
  }

  .tag{
    padding: 5px 10px;
  }

  footer{
    font-size: 14px;
  }
}

@media (max-width: 420px){
  section{
    /* padding-top: 80px; */
  }
}