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

html {
  
  scroll-behavior: smooth;
  
  overflow-anchor: none;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar) transparent;
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar);
  
  border: 3px solid transparent;
  background-clip: content-box;
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--text-dim);
  background-clip: content-box;
}

::-webkit-scrollbar-track {
  background: transparent;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a.card:hover,
a.feedback-card:hover {
  text-decoration: none;
}

::selection {
  background: var(--accent);
  color: var(--text-on-accent);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  letter-spacing: -0.01em;
  color: var(--text);
}

h1 {
  font-size: var(--fs-title);
  line-height: var(--lh-title);
}

h2 {
  font-size: var(--fs-subtitle);
  line-height: var(--lh-subtitle);
}

h3,
h4 {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

p {
  margin: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  margin: 0;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

input,
textarea,
select {
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

textarea {
  resize: vertical;
}

input[type="checkbox"],
input[type="radio"] {
  -webkit-appearance: auto;
  appearance: auto;
}

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

table {
  border-collapse: collapse;
  width: 100%;
}

code,
kbd,
pre {
  font-family: var(--mono);
  font-size: 0.9em;
}

code {
  padding: 2px 6px;
  background: var(--subtle);
  border-radius: var(--r-control);
  word-break: break-word;
}

pre {
  margin: 0;
  padding: var(--sp-3);
  background: var(--subtle);
  border-radius: var(--r-control);
  overflow-x: auto;
}

pre code {
  padding: 0;
  background: none;
}

hr {
  border: none;
  border-top: 1px solid var(--divider);
  margin: var(--sp-6) 0;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--focus-outer);
  outline-offset: 1px;
  border-radius: var(--r-control);
}

.btn--primary:focus-visible,
.segmented__item.is-active:focus-visible,
.chip.is-active:focus-visible {
  outline-color: var(--text-on-accent);
  box-shadow: inset 0 0 0 1px var(--focus-outer);
}

.container {
  width: min(100% - var(--gutter) * 2, var(--container));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - var(--gutter) * 2, 760px);
}

.section {
  padding-block: var(--section-y);
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--sp-4);
  z-index: var(--z-toast);
  padding: var(--sp-2) var(--sp-4);
  background: var(--accent);
  color: var(--text-on-accent);
  border-radius: var(--r-control);
  font-weight: var(--fw-semibold);
  transition: top var(--dur-fast) var(--ease);
}

.skip-link:focus {
  top: var(--sp-2);
  text-decoration: none;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.clamp-2,
.clamp-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.clamp-2 {
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.clamp-3 {
  -webkit-line-clamp: 3;
  line-clamp: 3;
}

.hidden {
  display: none !important;
}

.only-mobile {
  display: none;
}

.prewrap {
  white-space: pre-wrap;
  word-break: break-word;
}

.break-word {
  word-break: break-word;
  overflow-wrap: anywhere;
}

.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.text-caption { font-size: var(--fs-caption); line-height: var(--lh-caption); }
.text-semibold { font-weight: var(--fw-semibold); }
.text-mono { font-family: var(--mono); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--sp-1); }
.mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mt-8 { margin-top: var(--sp-8); }
.mb-1 { margin-bottom: var(--sp-1); }
.mb-2 { margin-bottom: var(--sp-2); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }

.row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.row--wrap {
  flex-wrap: wrap;
}

.row--between {
  justify-content: space-between;
}

.row--end {
  justify-content: flex-end;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

@supports (view-transition-name: none) {
  
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
  }

  ::view-transition-old(root) { z-index: 1; }
  ::view-transition-new(root) { z-index: 2; }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 820px) {
  :root {
    --gutter: var(--sp-4);
    --section-y: var(--sp-6);
  }

  h1 {
    font-size: var(--fs-subtitle);
  }
}

@media (max-width: 560px) {
  :root {
    --card-pad: var(--sp-3);
    --section-y: var(--sp-5);
  }

  .only-mobile {
    display: block;
  }

  .only-desktop {
    display: none;
  }
}