:root {
  --roost-gray: rgb(187, 193, 190);
  --roost-dark: hsl(80, 22%, 13%);
  --roost-yellow: rgb(238, 238, 0);
  --roost-peach: rgb(247, 187, 128);
  --roost-muddy: rgb(229, 217, 136);

  --bg: white;
  --fg: var(--roost-dark);
  --font-sans: "Funnel Sans", sans-serif;
  --font-display: "Funnel Display", sans-serif;
  --max-width: 1000px;

  background-color: var(--bg);
  color: var(--fg);
  color-scheme: light dark;
  font-family: var(--font-sans);
  font-optical-sizing: auto;
  font-style: normal;
  scroll-behavior: smooth;
  text-wrap: balance;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--roost-dark);
    --fg: rgba(255, 255, 255, 0.9);
  }
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
}

@media (min-width: 320px) {
  body {
    font-size: 15px;
  }
}

@media (min-width: 600px) {
  body {
    font-size: 18px;
  }
}

header {
  background-color: var(--roost-dark);
  color: var(--roost-yellow);
  padding-block: 0.5em;
}

header nav {
  display: flex;
  justify-content: space-between;
  margin-inline: auto;
  max-width: var(--max-width);
  padding-inline: 1rem;
}

header nav a {
  color: inherit;
  font-family: var(--font-display);
  font-weight: bold;
  padding-block: 0.5em;
  text-decoration: none;
}

header nav a:hover,
header nav a:focus {
  text-decoration: underline;
}

main {
  margin-inline: auto;
  max-width: var(--max-width);
  padding-inline: 1rem;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
}

h1 {
  margin-top: 2em;
}

h1 + p {
  font-size: 1.2em;
  line-height: 1.33;
}

ul#projects {
  align-items: stretch;
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  list-style: none;
  margin-block-start: 3em;
  padding: 0;
}

#projects li {
  flex-grow: 1;
  max-width: calc(var(--max-width) / 2 - 1.5em);
}

#projects li a {
  --project-color: var(--roost-yellow);
  border: 2px dashed var(--project-color);
  border-radius: 1em;
  color: inherit;
  display: block;
  height: 100%;
  padding: 1em 1.5em;
  text-decoration: none;
}

#projects li:nth-child(3n-1) a {
  --project-color: var(--roost-peach);
}

#projects li:nth-child(3n) a {
  --project-color: var(--roost-muddy);
}

#projects li a:hover,
#projects li a:focus {
  background-color: color-mix(var(--project-color) 10%, transparent);
}

#projects li h2 {
  margin: 0 auto 0.5em;
  padding: 0;
}

#projects li p {
  margin: 0 auto;
  padding: 0;
}

.tag {
  background-color: var(--project-color);
  border-radius: 999px;
  color: var(--roost-dark);
  display: inline-block;
  font-size: 0.8em;
  padding: 0.125em 0.5em;
  margin-top: 1em;
}

.button {
  background-image: linear-gradient(
    135deg,
    var(--roost-yellow),
    var(--roost-muddy),
    var(--roost-peach)
  );
  background-position: center;
  background-size: 175%;
  border-radius: 0.25em;
  color: var(--roost-dark);
  font-weight: 600;
  padding: 0.5em 1em;
  transition:
    background-size 1s ease-in-out,
    box-shadow 200ms ease-in-out,
    color 200ms ease-in-out;
}

.button:hover,
.button:focus {
  background-size: 100%;
  color: color-mix(var(--roost-dark) 80%, transparent);
  text-decoration: none;
  box-shadow:
    -3px -3px 12px -3px var(--roost-yellow),
    3px 3px 12px -3px var(--roost-peach);
}