@font-face {
  font-family: "Teachers";
  src: url("./Teachers.ttf");
}

:root {
  /* color palette */

  --black: black;
  --white: white;

  --blue-1: royalblue;
  --blue-2: cornflowerblue;
  --blue-3: lightskyblue;

  --brown-1: sienna;
  --brown-2: peru;
  --brown-3: rosybrown;

  --gray-1: slategray;
  --gray-2: gray;
  --gray-3: silver;

  /* semantic colors */

  --color-text: var(--black);
  --color-background: var(--white);

  --color-link: var(--blue-1);
  --color-link-hover: var(--blue-2);

  --color-selection: var(--blue-3);
  --color-focus: var(--blue-1);

  --color-border: var(--gray-3);

  /* spacing */

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;

  /* layout */

  --content-width: 70ch;

  /* shape */

  --radius-1: 0.25rem;
  --radius-2: 0.5rem;
}

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

* {
  margin: 0;
}

::selection {
  background-color: var(--color-selection);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

html {
  font-family: Teachers, Arial, Helvetica, sans-serif;
}

body {
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  line-height: 1.4;

  color: var(--color-text);
  background-color: var(--color-background);
}

a {
  text-decoration-thickness: 1px;

  color: var(--color-link);

  &:hover {
    color: var(--color-link-hover);
  }
}

hr {
  border: 0.5px solid var(--color-border);
}

address {
  font-style: normal;
}

img {
  display: block;
  max-width: 100%;
}

ul {
  padding: 0;
}

h1,
h2,
h3,
th {
  font-weight: 600;
}

h1 {
  font-size: clamp(2.5rem, 2.25rem + 0.75vw, 3rem);
}

h2 {
  font-size: clamp(2rem, 1.75rem + 0.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 1.25rem + 0.25vw, 1.75rem);
}

small,
caption,
figcaption {
  font-size: 0.875em;
}

main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-3);
}

section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

table {
  width: 100%;
  margin-top: var(--space-1);
  table-layout: fixed;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: var(--space-1) var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

tr:hover {
  background-color: rgba(0, 0, 0, 0.03);
}

caption {
  caption-side: bottom;
}