:root {
  --color-accent: oklch(50% 10% 0);
  color-scheme: dark;
}

body {
    /* Set line height to 1.5 times the font size
         and use the OS’s UI font as the website font
       */
    font: 100%/1.5 system-ui;
    width: 100%;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding: 10px;
}

nav {
  --border-color: oklch(50% 10% 200 / 40%);
  display: flex;
  margin-bottom: 0.5em;
  border-bottom-width: 1px;
  border-bottom-style: solid;
  border-bottom-color: var(--border-color);
}

nav a {
  flex: 1;
  text-decoration: none;
  color: inherit;
  text-align: center;
  padding: 0.5em;
  transition: background-color 0.2s ease, border-bottom-color 0.2s ease;
  border-bottom: 6px solid transparent;
}

nav a:hover {
  background-color: color-mix(in oklch, var(--color-accent), canvas 85%);
  border-bottom-color: var(--border-color);
}

nav a.current {
  border-bottom-color: var(--border-color);
}

form {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1em;
}

form button {
  grid-column: 1 / -1;
}

.projects {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15em, 1fr));
  gap: 1em;
}

.projects article {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 3;
  gap: 1em;
}

.projects article h2 {
  margin: 0;
}

h1 {
  size: 400%;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.1;
}