:root {
  --dark-fg-color: #fff;
  --light-fg-color: #141414;
  --light-bg-color: var(--dark-fg-color);
  --dark-bg-color: var(--light-fg-color);
  --fg-color: var(--light-fg-color);
  --bg-color: var(--light-bg-color);
  --light-link-color: #c04828;
  --dark-link-color: #c04828;
  --link-color: var(--light-link-color);
  --light-highlight-bg-color: #ededed;
  --light-highlight-fg-color: #595959;
  --dark-highlight-bg-color: #27272a;
  --dark-highlight-fg-color: #ededed;
  --highlight-fg-color: var(--light-highlight-fg-color);
  --highlight-bg-color: var(--light-highlight-bg-color);
  --font-face: "Fira Sans", sans-serif;
}

*,
::after,
::before {
  border: 0 solid #e5e7eb;
  box-sizing: border-box;
}

html {
  font-feature-settings: normal;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif,
    Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
  font-variation-settings: normal;
  line-height: 1.5;
  tab-size: 4;
}

blockquote,
dd,
dl,
figure,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
pre {
  margin: 0;
}

a {
  color: var(--link-color);
  text-decoration: inherit;
}

/* PAGE LAYOUT */
html,
body {
  font-family: var(--font-face);
  height: 100%;
  scroll-behavior: smooth;
}

body {
  line-height: inherit;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.container {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.page-body {
  flex-grow: 1;
}

/* HEADER */
header {
  display: grid;
  grid-template-columns: repeat(2, max-content) max-content 1fr max-content;
  column-gap: 1em;
  align-items: center;
  justify-items: center;
  padding: 0.5rem 2rem;
  width: 100%;
  border-bottom: 1px solid #ddd;
  font-size: 1.2rem;
}

header .home {
  color: black;
  font-size: 2rem;
  font-weight: bold;
}

header .home:first-child {
  display: flex;
  align-items: center;
  vertical-align: center;
}

header .home svg {
  height: 3rem;
  width: 3rem;
}

header a {
  color: black;
  border-bottom: 2px solid transparent;
}

header a:hover:not(.home) {
  color: black;
  border-bottom: 2px solid #c04828;
}

.navigation-block {
  display: flex;
  flex-direction: row;
  gap: 1rem;
}

header .icon {
  display: flex;
  align-items: center;
}

#mobile-open-navigation button {
  display: none;
}

#mobile-open-navigation {
  justify-self: right;
}

@media (max-width: 640px) {
  #mobile-open-navigation button {
    display: block;
    flex-direction: column;
    background-color: transparent;
  }

  #mobile-open-navigation button div {
    margin: 0.5em 0;
    width: 2em;
    border-bottom: 0.25em solid black;
  }

  header {
    grid-template-columns: max-content 1fr;
  }
  
  .spacer {
    display: none;
  }

  .navigation-block {
    margin-top: 0.5em;
    grid-column: auto / span 2;
    justify-self: left;
  }
  
  header:not(.open) .spacer,
  header:not(.open) .navigation-block {
    display: none;
  }
}

/* HERO */
.hero {
  margin: 2rem 0;
}

.hero img {
  display: block;
  height: 14em;
  margin: auto;
}

.hero div {
  font-size: 3.75rem;
  line-height: 1;
  text-align: center;
  padding-bottom: 0.5rem;
  font-weight: bold;
}

@media (min-width: 640px) {
  .hero div {
    font-size: 6rem;
    line-height: 1;
  }
}

/* MAIN */
main {
  margin: 1rem auto;
  width: 80%;
  flex: 1;
}

@media (min-width: 1024px) {
  main {
    max-width: 56rem;
  }
}

h1 {
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 2.25rem;
  line-height: 1.25;
  margin-bottom: 2rem;
}

p {
  font-size: 1rem;
  line-height: 1.5rem;
  line-height: 1.625;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  h1 {
    font-size: 3rem;
    line-height: 1;
  }

  p {
    font-size: 1.125rem;
    line-height: 1.75rem;
  }
}

h2 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 2rem;
  line-height: 1.25;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  h2 {
    font-size: 3rem;
    line-height: 1;
  }
}

h2,
h3 {
  margin-top: 3rem;
}

@media (min-width: 640px) {
  li {
    font-size: 1.125rem;
    line-height: 1.75rem;
  }
}

ul {
  margin-top: 0;
  margin-bottom: 2rem;
}

/* FOOTER */
footer {
  align-items: center;
  background-color: var(--fg-color);
  color: var(--bg-color);
  display: flex;
  flex-grow: 0;
  flex-shrink: 1;
  font-size: 0.75rem;
  justify-content: space-between;
  line-height: 1rem;
  padding: 0.5rem 1rem;
  width: 100%;
}

.github-icon {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12'/%3E%3C/svg%3E");
  height: 1.25rem;
  width: 1.25rem;
}

.github-icon-black {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='000' d='M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12'/%3E%3C/svg%3E");
  height: 1em;
  width: 1em;
}

.projects {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.project {
  border-left: 0.3em solid gray;
  padding: 1rem;
  text-decoration: none;
  color: var(--fg-color);
  transition: text-decoration 0.3s;
  transition: border-color 0.3s;
}

.project h2 {
  margin-top: 0;
  font-family: monospace;
}

.project p {
  margin-bottom: 0;
}

.project>span {
  color: transparent;
  transition: color 0.3s;
}

.project:hover>span {
  color: black;
}

.project:hover {
  border-color: #c04828;
}

.title {
  font-size: 3em;
  font-weight: 900;
  margin-bottom: 0.5em;
}

@media (min-width: 640px) {
  .title {
    font-size: 4rem;
    line-height: 1;
  }
}

.details {
  margin-bottom: 1.5em;
  color: #333;
}

.post-thingy {
  display: block;
  padding: 1em;
  color: black;
  background: #e5e5e5;
  border-radius: 0.3em;
  border: 0.2em solid #e5e5e5;
  margin-bottom: 0.5em;
}

.post-thingy:hover {
  border-color: #c04828;
  background: transparent;
}

.post-thingy h1 {
  margin-bottom: 0.2em;
}

blockquote {
  border-left: 0.2em solid gray;
  padding-left: 1em;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: stretch;
  gap: 1em;
  margin-bottom: 2em;
  font-size: 1.2em;
}

.links > a {
  padding: 0.2em 1em;
  color: #c04828;
  border: 2px solid #c04828;
  flex: 1;
  text-align: center;
}