.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.std-page-content h1,
.std-page-content h2,
.std-page-content h3,
.std-page-content h4 {
  margin: 0 0 var(--space-md);
}

.std-page-content p {
  margin: 0 0 var(--space-md);
}

a {
  color: inherit;
}

.btn {
  --btn-bg: transparent;
  --btn-bg-hover: transparent;
  --btn-bg-active: transparent;
  --btn-color: currentColor;
  --btn-color-hover: var(--btn-color);
  --btn-color-active: var(--btn-color-hover);
  --btn-border: transparent;
  --btn-border-hover: var(--btn-border);
  --btn-border-active: var(--btn-border-hover);
  --btn-disabled-bg: transparent;
  --btn-disabled-color: var(--color-text-disabled);
  --btn-disabled-border: transparent;

  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: var(--control-height);
  padding: var(--space-sm) var(--btn-padding-inline);
  border: var(--border-width) solid var(--btn-border);
  border-radius: var(--btn-radius);
  font: inherit;
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--btn-color);
  background: var(--btn-bg);
  text-decoration: none;
  cursor: pointer;
  transition:
    color var(--transition-fast) ease,
    background-color var(--transition-fast) ease,
    border-color var(--transition-fast) ease,
    box-shadow var(--transition-fast) ease,
    transform var(--transition-fast) ease;
  user-select: none;
}

.btn:hover {
  color: var(--btn-color-hover);
  background: var(--btn-bg-hover);
  border-color: var(--btn-border-hover);
}

.btn:active {
  color: var(--btn-color-active);
  background: var(--btn-bg-active);
  border-color: var(--btn-border-active);
  transform: translateY(var(--border-width));
}

.btn:focus-visible {
  outline: var(--focus-outline-width) solid var(--color-primary);
  outline-offset: var(--focus-ring-width);
}

.btn:disabled,
.btn[aria-disabled="true"],
.btn.is-disabled {
  color: var(--btn-disabled-color);
  background: var(--btn-disabled-bg);
  border-color: var(--btn-disabled-border);
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

.btn-primary {
  --btn-bg: var(--color-button-primary-bg);
  --btn-bg-hover: var(--color-button-primary-bg-hover);
  --btn-bg-active: var(--color-button-primary-bg-active);
  --btn-color: var(--color-button-primary-text);
  --btn-disabled-bg: var(--color-button-primary-bg-disabled);
  --btn-disabled-color: var(--color-button-primary-text-disabled);
}

.btn-secondary {
  --btn-bg: var(--color-button-secondary-bg);
  --btn-bg-hover: var(--color-button-secondary-bg-hover);
  --btn-bg-active: var(--color-button-secondary-bg-active);
  --btn-color: var(--color-button-secondary-text);
  --btn-color-hover: var(--color-button-secondary-border-hover);
  --btn-color-active: var(--color-button-secondary-border-hover);
  --btn-border: var(--color-button-secondary-border);
  --btn-border-hover: var(--color-button-secondary-border-hover);
  --btn-border-active: var(--color-button-secondary-border-hover);
  --btn-disabled-bg: var(--color-button-secondary-bg-disabled);
  --btn-disabled-color: var(--color-button-secondary-text-disabled);
  --btn-disabled-border: var(--color-button-secondary-border-disabled);
}

.btn-tertiary {
  --btn-color: var(--color-button-tertiary-text);
  --btn-color-hover: var(--color-button-tertiary-text-hover);
  --btn-color-active: var(--color-button-tertiary-text-active);
  --btn-disabled-color: var(--color-button-tertiary-text-disabled);
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
}

.btn-tertiary:hover,
.btn-tertiary:active {
  text-decoration: underline;
  text-underline-offset: var(--underline-offset);
}

.std-page-content {
  padding-block: var(--section-padding);
}

.site-content > section:first-child,
.site-content > .container:first-child > .std-page-content {
  --section-padding: var(--first-section-padding);
}

.std-page-content > *:first-child {
  margin-top: 0;
}

.not-found {
  padding-block: var(--section-padding);
}

.not-found h1 {
  margin-bottom: var(--space-md);
}

.not-found p {
  margin-bottom: var(--space-lg);
}

.archive-card {
  padding-block: var(--space-lg);
  border-bottom: var(--border-width) solid var(--color-border);
}

.archive-card h2 {
  font-size: var(--fs-h3);
}

.archive-card a {
  text-decoration: none;
}

.archive-card a:hover {
  text-decoration: underline;
  text-underline-offset: var(--underline-offset);
}