a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-underline-offset linear var(--transition-duration-fast);
}

a:hover {
  text-underline-offset: 0.1em;
}

a:focus-visible {
  outline: 2px solid;
  outline-offset: 2px;
}

img,
iframe {
  display: block;
  height: auto;
  max-width: 100%;
}

/**
 * text for screen-readers only.
 * @see https://www.tpgi.com/the-anatomy-of-visually-hidden/
 */
.visually-hidden:not(:focus):not(:active) {
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.page-container {
  padding-inline: var(--spacing-document-inline);
  margin-inline: auto;
  max-width: calc(
    80ch - var(--spacing-document-inline) - var(--spacing-document-inline)
  );
}

.header {
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 0 0.5rem;
  justify-content: space-between;
  padding-inline: var(--spacing-document-inline);
  min-height: 4.9rem;
}

@media (max-width: 37.5em) {
  .header {
    gap: 0.5rem;
    min-height: 1px;
    padding-block: 0.5rem;
  }
}

.logo {
  display: block;
  font-family: var(--font-family-heading);
  font-size: clamp(0.875, rem, 1.5vw, 1.25rem);
  font-weight: var(--font-weight-heading);
  line-height: 1;
  max-width: 10ch;
  text-decoration: none;
}

.logo__part {
  background: var(--color-brand-yellow);
  color: var(--color-brand-off-black);
  display: inline-block;
  padding: 0.2em;
  text-decoration: underline;
  text-decoration-color: var(--color-brand-yellow);
  transition: text-decoration 300ms ease;
}

.logo__part + .logo__part {
  padding-block-start: 0;
}

.logo:hover .logo__part {
  text-decoration-color: currentColor;
}

@media (prefers-color-scheme: dark) {
  .logo {
    color: var(--color-brand-yellow);
  }
}

.nav {
  display: flex;
  gap: 0.75rem;
  overflow: auto;
  max-width: 100%;
}

@media (max-width: 25em) {
  .nav {
    gap: 0.875rem;
  }
}

.nav a {
  padding: 3px;
  text-decoration: none;
}

.nav a:focus-visible {
  outline-offset: -2px;
}

.nav a:hover {
  text-decoration: underline;
}

.nav a[aria-current] {
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.contact-cta {
  background: var(--color-brand-yellow);
  color: var(--color-brand-off-black);
  inset-inline-start: -50vw;
  margin-block-start: 5rem;
  margin-inline-start: 50%;
  padding: 1rem 0;
  position: relative;
  width: 99.4vw;
}

.footer {
  --font-weight-body: 300;
  font-size: 0.875rem;
  padding-block: 1rem;
}

.footer a {
  display: block;
}

.footer nav {
  margin-block-end: 1rem;
}

.footer nav a:not(:last-of-type) {
  margin-block-end: 0.25em;
}

/* < 600px wide */
@media (max-width: 37.5em) {
  .footer nav a {
    padding-block: 0.25em;
  }

  .footer nav a:not(:last-of-type) {
    margin-block-end: 0.5em;
  }
}

/** Typography */
:where(.main :is(h1, h2, h3, h4, h5, h6)) {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  line-height: 1.2;
  margin-block-end: 0.6em;
  margin-block-start: 0.6em;
  text-wrap: pretty;
}

:where(.main :is(h1, h2, h3, h4, h5, h6):not(:first-child)) {
  margin-block-start: 1.6em;
}

:where(.main h1) {
  font-size: clamp(2rem, 7vw, 3.75rem);
  line-height: 1.2;
  margin-block-end: 0.6em;
  margin-block-start: 1.6em;
}

@supports (text-wrap: pretty) {
  :where(.main h1) {
    text-wrap: pretty;
  }
}

@media (max-width: 25em) {
  :where(.main h1) {
    margin-block-start: 1.2em;
  }
}

:where(.main p) {
  margin-block: 0.5em;
}

:where(.main h1 + p) {
  font-size: 1.6rem;
  line-height: 1.3;
}

@media (max-width: 25em) {
  :where(.main h1 + p) {
    font-size: 1.2rem;
    line-height: 1.4;
  }
}

:where(.main ul) {
  padding-inline-start: 1em;
}

:where(.main li > ul) {
  margin-block: 0.25em;
}

/* .main li:has(> a:first-child) {
  margin-block-end: 0.5rem;
} */

/* .main li {
  margin-block-end: 0.5em;
} */

:where(.main hr) {
  background: color-mix(
    in lch,
    var(--color-body-text) 5%,
    var(--color-body-background)
  );
  border: none;
  height: 1px;
  margin-block: 2rem 1rem;
}

/* Use the best ampersand you can find */
.amp {
  font-style: italic;
}

/** Code examples */
code,
var,
kbd {
  font-family: monospace;
}

pre > code {
  background: color-mix(
    in lch,
    var(--color-body-text) 85%,
    var(--color-body-background)
  );
  color: var(--color-body-background);
  display: block;
  overflow: auto;
  margin-block-end: 0.5em;
  margin-block-start: 1.1em;
  padding: 1.05rem 1rem;
  position: relative;
}

pre > code:focus-visible {
  outline: 2px solid var(--color-body-text);
  outline-offset: 4px;
}

p > code,
li > code,
h2 > code,
h3 > code {
  background: color-mix(
    in lch,
    var(--color-body-text) 5%,
    var(--color-body-background)
  );
  display: inline-block;
  font-size: 0.875em;
  padding: 0 0.2em;
}

pre > [class^="language"]:before {
  border-bottom: 1px solid color-mix(in lch, var(--color-body-text), white 30%);
  content: "";
  display: block;
  margin-bottom: 1rem;
  padding: 0.25rem 0 0.5rem;
}

pre > .language-css::before {
  content: "CSS";
}

pre > .language-html::before {
  content: "HTML";
}

pre > .language-javascript::before {
  content: "JavaScript";
}

pre > .language-jsx::before {
  content: "JSX (ReactJS)";
}

kbd {
  background: color-mix(in lch, var(--color-body-background), white 30%);
  border: 1px solid;
  border-radius: 2px;
  font-family: monospace;
  font-size: 0.875em;
  padding: 0 0.1em;
}

.stand-out {
  background: color-mix(
    in lch,
    var(--color-body-text) 5%,
    var(--color-body-background)
  );
  margin-block: 1rem;
  padding: 1rem;
}

@media (prefers-color-scheme: dark) {
  .stand-out {
    border: 1px solid var(--color-border);
  }
}

:where(.main figure) {
  margin: 0;
  margin-block-end: 2rem;
}

:where(.main figure img) {
  border: 1px solid var(--color-border);
  margin-inline: auto;
}

:where(.main figcaption) {
  text-align: center;
}