:root {
  --light-text: #181715;
  --light-bg: #ffffff;
  --light-border: #181715;
  --dark-text: #ffffff;
  --dark-bg: #181715;
  --dark-border: #ffffff;
  --hightlight: #72dec2;
  --border: var(--light-border);
  --text: var(--light-text);
  --bg: var(--light-bg);
}

@font-face {
  font-family: "Iosevka";
  src: url('/font/iosevka-regular.woff') format('woff');
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  word-break: break-all;
}

html,
body {
  width: 100%;
  height: 100%;
  color: var(--text);
  background: var(--bg);
}

body {
  display: grid;
  grid-template:
    "header" 4rem
    "main" 1fr
    "footer" 4rem
    / 1fr;
  gap: 0;
  font-family: 'Iosevka';
}

header,
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 3rem;
}

header {
  grid-area: header;
  border-bottom: 2px solid var(--border);
}

footer {
  grid-area: footer;
  border-top: 2px solid var(--border);
}

main {
  grid-area: main;
  padding: 3rem;
  font-size: 1.3rem;
  line-height: 2rem;
  max-width: 120ch;
  overflow: auto;
}

main h1 {
  margin-bottom: 2rem;
  font-weight: normal;
  font-size: 1.5em;
  font-variant-caps: small-caps;
}

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

main a {
  text-decoration: underline;
}

a:hover,
a:focus {
  background-color: var(--hightlight);
  text-decoration: line-through var(--text);
}

#logo {
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
  font-size: 2.5rem;
  font-weight: bold;
  font-variant: small-caps;
}

#logo img {
  width: 3rem;
}

#theme-switcher {
  border: 3px solid var(--border);
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 3rem;
  margin-left: auto;
  background: linear-gradient(90deg, var(--border) 0%, var(--border) 50%, var(--bg) 51%, var(--bg) 100%);
}

#theme-switcher:hover {
  border-color: var(--hightlight);
  background: linear-gradient(90deg, var(--hightlight) 0%, var(--hightlight) 50%, var(--bg) 51%, var(--bg) 100%);
}

.lang {
  font-size: 2rem;
}

#mesh {
  position: absolute;
  bottom: 4rem;
  right: 0;
  user-select: none;
  pointer-events: none;
}

.links {
  display: flex;
  gap: 2rem;
}

.links > a {
  border-radius: 100%;
}

.links > a > img {
  display: block;
}

#sections-button {
  display: none;
}

nav {
  font-variant: small-caps;
  display: flex;
  flex-direction: row;
  gap: 2rem;
  font-size: 2rem;
}

button {
  font-style: italic;
  font-weight: lighter;
  border: none;
  background: var(--bg);
  color: var(--text);
  margin: 0 2rem 0 0;
  cursor: pointer;
}

@media screen and (max-height: 860px),
screen and (max-width: 1500px) {
  #mesh {
    display: none;
  }
}

@media screen and (max-width: 1160px) {
  nav {
    flex-direction: column;
    border: 2px solid var(--border);
    border-bottom: 0;
    border-left: 0;
    background-color: var(--bg);
    position: absolute;
    bottom: calc(4rem);
    left: 0;
    align-items: center;
    padding: 2rem 3rem;
    display: none;
  }

  #sections-button {
    display: block !important;
  }
}

@media screen and (max-width: 540px) {
  #logo {
    font-size: 2.2rem;
  }

  main {
    padding: 1rem;
  }

  .links {
    gap: 1.2rem;
  }

  .links a {
    width: 1.5rem;
  }

  header,
  footer {
    padding: 0 1rem;
  }

  #theme-switcher {
    margin-right: 1rem;
  }
}