/* ALL */
* {
  margin: 0;
  padding: 0;
  position: relative;
  font-family: "Dosis", sans-serif;
  font-optical-sizing: auto;
  font-weight: 300;
  font-style: normal;
  scroll-behavior: smooth;
  user-select: none;
}

/* Using the Hammersmith font */
.hammersmith-one-regular {
  font-family: "Hammersmith One", sans-serif;
  font-weight: 400;
  font-style: normal;
}

body {
  background-color: #1e1e1e;
  color: #ffffff;
  font-size: 20px;
  /* user-select: none; */
}

/* h1 for section */
.bg-title {
  font-size: 10vh;
  font-weight: bold;
  opacity: 0.1;
  position: absolute;
  margin: auto;
  inset: 0;
}

h2 {
  margin: 3vh;
  font-size: 6vh;
}

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

/* HEADER */
header img {
  position: fixed;
  left: 10px;
  z-index: 10;
}

/* HEADER / NAVIGATION */
header img,
nav img {
  width: 40px;
  top: 10px;
  cursor: pointer;
  opacity: 0.5;
  transition: ease-in-out 0.3s;
}

header img {
  left: 15px;
}

nav img:hover,
header img:hover {
  opacity: 1;
}

/* NAVIGATION */

/* Open menu section */
#open_menu_section {
  /* background-color: red; */
  position: fixed;
  height: 100vh;
  width: 50px;
  z-index: 1000;
}

#open_menu_section:hover ~ nav,
nav:hover {
  transform: translateX(350px);
}

/* Menu */
.nav-button {
  display: none;
}

nav {
  backdrop-filter: blur(15px);
  background-color: #0e0e0e80;
  border-radius: 10px;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 0px 8px;
  margin: 2vh;
  position: fixed;
  width: 300px;
  height: 96vh;
  overflow: hidden;
  transition: all 0.3s;
  z-index: 100;
  left: -350px;
}
nav img {
  position: absolute;
  left: 250px;
  z-index: 200;
}

li {
  list-style: none;
}

li a {
  font-family: "Inter";
  padding: 20px;
  display: block;
  transition: all 0.3s;
}

/* Sub menu */
#sub_menu {
  display: block;
  height: 0px;
  overflow: hidden;
  transition: all 0.5s;
}

#sub_menu a {
  font-size: 16px;
  padding-left: 50px;
  transition: all 0.3s;
}

li a:hover,
#sub_menu a:hover {
  background-color: #1f153095;
}

/* Sub menu */
#has_sub_menu:hover #sub_menu {
  height: 180px;
}

#sub_menu a:hover {
  height: 100%;
}

/* MAIN */
main {
  min-height: 100vh;
  overflow-x: hidden;
}

article {
  text-align: center;
}

section {
  padding: 0px 50px 100px 50px;
}

/* FOOTER */
footer {
  color: #ffffff;
  text-align: center;
}

/* Contact */
#contact *:not(a) {
  margin: 30px;
}

h5 a {
  font-weight: bold;
  text-decoration: underline;
}

#contact img {
  width: 48px;
  margin: 180px 20px 0 20px;
}

#cv_icon:hover {
  animation: leftRight 0.5s;
}

@keyframes leftRight {
  0% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(15deg);
  }
  50% {
    transform: rotate(-15deg);
  }
  75% {
    transform: rotate(15deg);
  }
  100% {
    transform: rotate(0deg);
  }
}

#mail_icon {
  transition: 0.5s;
  transform: scale(1, 1);
}

#mail_icon:hover {
  transition: 0.5s;
  transform: scale(-1, 1);
}

#linkedin_icon:hover {
  animation: boing 0.5s;
}

@keyframes boing {
  0% {
    transform: scale(1, 0.8);
  }
  50% {
    transform: translate(0px, -8px);
  }
  100% {
    transform: translate(0px, 0px);
  }
}

#github_icon {
  transition: 0.5s;
  transform: rotate(0deg);
}

#github_icon:hover {
  transition: 0.5s;
  transform: rotate(360deg);
}