/* Theme */

:root {
  --foreground: #ccc;
  --foreground-header: #fff;
  --background: #111;
  --background-panel: #222;
  --background-dark: #000;
  --border: #333;
  --accent-zeff: #a561e1;
  --accent-ovol: #92d3fd;

  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-title: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 
    'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}



/* Static rules */

html, body {
  margin: 0;
  padding: 0;
  height: 100%;

  color: var(--foreground);
  background: var(--background);
  font-family: var(--font);
  font-size: 14pt;
}

header {
  margin: 64px 0;
}

main {
  flex: 1;
  align-self: stretch;
}

footer {
  margin-top: 64px;
  background: var(--background-dark);
}

h1, h2, h3 {
  font-family: var(--font-header);
}

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

.logo-inner {
  display: flex;
  flex-direction: row;
}

.logo-inner img {
  width: 128px;
  height: 128px;
  position: relative;
  top: -48px;
}

.logo-inner h1 {
  margin: 0;
  color: var(--background);
}

.navigation nav {
    padding-top: 16px;
    padding-left: 128px;
}

.navigation a {
    margin-right: 1em;
}

.centered {
  align-self: center;
}

.column {
  display: flex;
  flex-direction: column;
}



/* Dynamic rules */

.logo {
  height: 48px;
  background: linear-gradient(
    45deg, #0000, var(--accent-zeff) 20%, var(--accent-zeff) 80%, #0000);
}

.main-centered {
  margin: auto;
  width: calc(1280px - 4em);
}

@media screen and (max-width: 1280px) {
  .logo {
    background: var(--accent-zeff);
  }

  .main-centered {
    margin: 0 1em;
    width: auto;
  }
}

@media screen and (max-width: 768px) {
  .main-centered {
    min-width: 320px;
  }
}