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

html,
body {
  overflow-x: clip;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--space-lg));
}

body {
  margin: 0;
  background: var(--color-surface);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--dur-base) var(--ease-in-out), color var(--dur-base) var(--ease-in-out);
}

::-webkit-scrollbar {
  width: 14px;
  height: 14px;
}

::-webkit-scrollbar-track {
  background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
  border: 4px solid var(--color-surface);
  border-radius: var(--radius-pill);
  background: var(--color-scroll-thumb);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-scroll-thumb-hover);
}

::-webkit-scrollbar-corner {
  background: var(--color-surface);
}

@supports (-moz-appearance: none) {
  html {
    scrollbar-color: var(--color-scroll-thumb) var(--color-surface);
  }
}

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

h1,
h2,
h3,
p,
ol,
ul,
dl,
dd,
figure {
  margin: 0;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
}

img,
svg {
  display: block;
}

button {
  font: inherit;
  color: inherit;
}

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.wrap {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.skip {
  position: absolute;
  left: var(--space-md);
  top: var(--space-md);
  z-index: 60;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-on-primary);
  transform: translateY(-200%);
}

.skip:focus-visible {
  transform: none;
}

.prose-link,
.section-head__lede a,
.step__text a,
.qa__a a,
.foot__legal a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in oklch, var(--color-primary) 40%, transparent);
  transition: text-decoration-color var(--dur-fast) var(--ease-in-out);
}

.section-head__lede a:hover,
.step__text a:hover,
.qa__a a:hover,
.foot__legal a:hover {
  text-decoration-color: currentColor;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  height: 52px;
  padding: 0 var(--space-lg) 0 calc(var(--space-lg) - 4px);
  border: 0;
  border-radius: var(--radius-pill);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.005em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  isolation: isolate;
  overflow: hidden;
  transition: border-radius var(--dur-base) var(--ease-in-out), background-color var(--dur-fast) var(--ease-in-out), box-shadow var(--dur-base) var(--ease-in-out);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-in-out);
}

.btn:hover::after {
  opacity: 0.08;
}

.btn:active {
  border-radius: var(--radius-sm);
}

.btn:active::after {
  opacity: 0.12;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.btn--primary:hover {
  box-shadow: 0 6px 18px -8px var(--color-shadow);
}

.btn--ghost {
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
}

.btn--sm {
  height: 40px;
  padding: 0 var(--space-md);
  font-size: var(--text-sm);
}

.icon-btn {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-on-surface-variant);
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease-in-out), border-radius var(--dur-base) var(--ease-in-out);
}

.icon-btn:hover {
  background: var(--color-state);
}

.icon-btn:active {
  background: var(--color-state-strong);
  border-radius: var(--radius-sm);
}

.icon-btn .icon--sun {
  display: none;
}

.icon-btn[data-dark="true"] .icon--sun {
  display: block;
}

.icon-btn[data-dark="true"] .icon--moon {
  display: none;
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-base) var(--ease-in-out), border-color var(--dur-base) var(--ease-in-out);
}

.nav.is-scrolled {
  background: var(--color-scrim-nav);
  border-bottom-color: var(--color-outline-variant);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
}

.nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-md);
  max-width: var(--page-max);
  height: var(--nav-h);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  justify-self: start;
  min-width: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.brand__mark {
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 50%;
  transition: transform var(--dur-slow) var(--ease-out);
}

.brand:hover .brand__mark {
  transform: rotate(-10deg);
}

.brand__mark--sm {
  width: 28px;
  height: 28px;
}

.brand__name--short {
  display: none;
}

.nav__center {
  display: flex;
  gap: var(--space-2xs);
  padding: var(--space-2xs);
  border-radius: var(--radius-pill);
  background: var(--color-container);
}

.nav__link {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-pill);
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur-fast) var(--ease-in-out), color var(--dur-fast) var(--ease-in-out);
}

.nav__link:hover {
  background: var(--color-state);
  color: var(--color-on-surface);
}

.nav__link.is-active {
  background: var(--color-container-lowest);
  color: var(--color-on-surface);
  box-shadow: 0 1px 3px var(--color-shadow);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  justify-self: end;
}

.nav__right .btn {
  margin-left: var(--space-xs);
}

.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + var(--space-3xl));
  padding-bottom: var(--space-4xl);
  isolation: isolate;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.hero__release {
  margin-top: var(--space-md);
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
}

.hero__release a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.hero__release a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.screen__shape {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  background: var(--color-wall-shape);
}

.glance {
  padding-inline: var(--space-xs);
  transition: opacity var(--dur-base) var(--ease-in-out), transform var(--dur-base) var(--ease-out);
  color: var(--color-wall-ink);
  text-shadow: 0 1px 6px var(--color-wall-ink-shadow);
}

.glance__day {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.6vw + 0.5rem, 1.375rem);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.apps,
.dock {
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  column-gap: var(--space-xs);
}

.apps {
  margin-top: auto;
  row-gap: var(--space-sm);
}

.dock {
  margin-top: var(--space-lg);
}

.app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  min-width: 0;
}

.app__icon {
  display: grid;
  place-items: center;
  width: calc(min(52px, 82%) * var(--icon-scale, 1));
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--c);
  color: var(--color-icon-fg);
  box-shadow: 0 2px 6px -2px var(--color-wall-ink-shadow);
  transition: border-radius var(--dur-slow) var(--ease-out), background-color var(--dur-base) var(--ease-in-out), color var(--dur-base) var(--ease-in-out), transform var(--dur-fast) var(--ease-out);
}

.app:nth-child(3n + 2) .app__icon {
  transition-delay: 40ms;
}

.app:nth-child(3n) .app__icon {
  transition-delay: 80ms;
}

.screen[data-hideglance="true"] .glance {
  opacity: 0;
  transform: translateY(-8px);
}

.screen[data-pack="line"] .app__icon {
  background: transparent;
  color: var(--color-wall-ink);
  box-shadow: inset 0 0 0 1.5px var(--color-wall-ink);
}

.screen[data-pack="line"] .app__icon svg {
  stroke-width: 1.6;
}

.screen[data-pack="paper"] .app__icon {
  background: var(--color-pack-paper);
  color: var(--c);
}

.screen[data-tint="blue"] {
  --tint-bg: var(--tint-blue-bg);
  --tint-fg: var(--tint-blue-fg);
}

.screen[data-tint="green"] {
  --tint-bg: var(--tint-green-bg);
  --tint-fg: var(--tint-green-fg);
}

.screen[data-tint="rose"] {
  --tint-bg: var(--tint-rose-bg);
  --tint-fg: var(--tint-rose-fg);
}

.screen[data-tint="amber"] {
  --tint-bg: var(--tint-amber-bg);
  --tint-fg: var(--tint-amber-fg);
}

.screen[data-tint]:not([data-tint="off"]) .app__icon {
  background: var(--tint-bg);
  color: var(--tint-fg);
  box-shadow: 0 2px 6px -2px var(--color-wall-ink-shadow);
}

.app__label {
  max-width: 100%;
  color: var(--color-wall-ink);
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 4px var(--color-wall-ink-shadow);
  transition: opacity var(--dur-base) var(--ease-in-out), transform var(--dur-base) var(--ease-out);
}

.searchbar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  height: 44px;
  margin-top: var(--space-md);
  padding-inline: var(--space-md);
  border-radius: var(--radius-pill);
  background: var(--color-search);
  color: var(--color-search-ink);
}

.searchbar svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
}

.searchbar__line {
  width: 38%;
  height: 8px;
  border-radius: var(--radius-pill);
  background: currentColor;
  opacity: 0.18;
}

.switch__track {
  position: relative;
  display: block;
  width: 52px;
  height: 32px;
  flex: none;
  border: 2px solid var(--color-outline);
  border-radius: var(--radius-pill);
  background: var(--color-container-highest);
  transition: background-color var(--dur-base) var(--ease-in-out), border-color var(--dur-base) var(--ease-in-out);
}

.switch__thumb {
  position: absolute;
  top: 50%;
  left: 0;
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-outline);
  transform: translate(6px, -50%);
  transition: transform var(--dur-base) var(--ease-out), width var(--dur-base) var(--ease-out), height var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-in-out);
}

.switch__thumb svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  transform: scale(0.4);
  transition: opacity var(--dur-fast) var(--ease-in-out), transform var(--dur-base) var(--ease-out);
}

.switch[aria-checked="true"] .switch__track {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.switch[aria-checked="true"] .switch__thumb {
  width: 24px;
  height: 24px;
  background: var(--color-on-primary);
  transform: translate(20px, -50%);
}

.switch[aria-checked="true"] .switch__thumb svg {
  opacity: 1;
  transform: none;
}

.seg__opt {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  height: 36px;
  padding: 0 var(--space-sm);
  border: 0;
  border-radius: 6px;
  background: var(--color-container-highest);
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: border-radius var(--dur-base) var(--ease-out), background-color var(--dur-fast) var(--ease-in-out), color var(--dur-fast) var(--ease-in-out);
}

.seg__opt:first-child {
  border-radius: var(--radius-pill) 6px 6px var(--radius-pill);
}

.seg__opt:last-child {
  border-radius: 6px var(--radius-pill) var(--radius-pill) 6px;
}

.seg__opt:hover {
  background: color-mix(in oklch, var(--color-container-highest), var(--color-on-surface) 8%);
}

.seg__opt[aria-pressed="true"] {
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.section-head {
  max-width: 46rem;
  margin-bottom: var(--space-2xl);
}

.section-head__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 650;
  line-height: 1.06;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  min-width: 0;
  text-wrap: balance;
}

.section-head__lede {
  margin-top: var(--space-md);
  max-width: 60ch;
  color: var(--color-on-surface-variant);
  font-size: var(--text-lg);
}

.stack {
  padding-block: var(--space-3xl) var(--space-3xl);
}

.stack__grid {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr);
  align-items: start;
  gap: var(--space-2xl);
}

.stack__index {
  position: sticky;
  top: calc(var(--nav-h) + var(--space-lg));
}

.index {
  display: grid;
  gap: 2px;
}

.index__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 10px var(--space-md);
  border-radius: var(--radius-pill);
  color: var(--color-on-surface-variant);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur-base) var(--ease-in-out), color var(--dur-base) var(--ease-in-out);
}

.index__link:hover {
  background: var(--color-state);
  color: var(--color-on-surface);
}

.index__link::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: none;
  border-radius: 50%;
  background: var(--tone);
  transition: transform var(--dur-base) var(--ease-out);
}

.index__link > span:first-child {
  flex: 1;
}

.index__link.is-active {
  background: color-mix(in oklch, var(--tone) 15%, var(--color-surface));
  color: var(--color-on-surface);
}

.index__link.is-active::before {
  transform: scale(1.3);
}

.index__n {
  min-width: 2ch;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.stack__body {
  display: grid;
  gap: var(--space-sm);
  min-width: 0;
}

.cat {
  padding: clamp(1.25rem, 3vw, 2.25rem);
  border-radius: var(--radius-lg);
  background: var(--color-container-low);
  scroll-margin-top: calc(var(--nav-h) + var(--space-lg));
  transition: border-radius var(--dur-slow) var(--ease-out), background-color var(--dur-base) var(--ease-in-out);
}

.cat.is-current {
  border-radius: var(--radius-xl);
  background: color-mix(in oklch, var(--tone) 9%, var(--color-container-low));
}

.cat__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 50%;
  background: var(--tone);
  color: var(--color-on-tone);
  transition: border-radius var(--dur-slow) var(--ease-out);
}

.cat.is-current .cat__icon {
  border-radius: 34%;
}

.cat__icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cat__head {
  display: grid;
  gap: var(--space-xs);
}

.cat__title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.cat__desc {
  max-width: 54ch;
  color: var(--color-on-surface-variant);
}

.feats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.band {
  padding-block: var(--space-xl);
}

.band__panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-3xl);
  padding: clamp(1.5rem, 5vw, 4.5rem);
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, var(--color-band), var(--color-band-2));
  color: var(--color-on-band);
  overflow: hidden;
  isolation: isolate;
}

.band__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 650;
  line-height: 1.06;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  min-width: 0;
}

.band__lede {
  margin-top: var(--space-md);
  max-width: 42ch;
  font-size: var(--text-lg);
  opacity: 0.88;
}

.reqs {
  display: grid;
  margin-top: var(--space-xl);
}

.reqs__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2xs) var(--space-md);
  padding-block: var(--space-sm);
  border-top: 1px solid var(--color-band-rule);
}

.reqs dt {
  font-weight: 600;
}

.reqs dd {
  opacity: 0.85;
}

.steps {
  display: grid;
  gap: var(--space-xs);
  counter-reset: none;
}

.step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg) var(--space-md) var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-band-card);
}

.step:first-child {
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.step:last-child {
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.step__title {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.3;
}

.step__text {
  margin-top: 2px;
  opacity: 0.88;
}

.step__text a {
  color: inherit;
  text-decoration-color: color-mix(in oklch, currentColor 45%, transparent);
}

.faq {
  padding-block: var(--space-4xl) var(--space-3xl);
}

.faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: var(--space-2xl);
}

.faq__head {
  position: sticky;
  top: calc(var(--nav-h) + var(--space-lg));
}

.faq__list {
  display: grid;
  gap: 3px;
}

.qa {
  border-radius: var(--radius-xs);
  background: var(--color-container-low);
  transition: border-radius var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-in-out);
}

.qa:first-child {
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.qa:last-child {
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.qa[open] {
  border-radius: var(--radius-lg);
  background: var(--color-container);
}

.qa__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-md) var(--space-md) var(--space-lg);
  border-radius: inherit;
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.35;
  list-style: none;
  cursor: pointer;
}

.qa__q::-webkit-details-marker {
  display: none;
}

.qa__icon {
  width: 40px;
  height: 40px;
  flex: none;
  padding: 10px;
  border-radius: 50%;
  background: var(--color-container-highest);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  transition: transform var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-in-out), border-radius var(--dur-base) var(--ease-out);
}

.qa__q:hover .qa__icon {
  border-radius: 34%;
}

.qa[open] .qa__icon {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.qa__a {
  padding: 0 var(--space-3xl) var(--space-lg) var(--space-lg);
  color: var(--color-on-surface-variant);
}

.qa[open] .qa__a {
  animation: rise var(--dur-base) var(--ease-out);
}

.foot {
  padding-block: var(--space-3xl) var(--space-xl);
}

.foot__line {
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: var(--text-statement);
  font-weight: 650;
  line-height: 1.02;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xl);
}

.foot__links a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-pill);
  color: var(--color-on-surface);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur-fast) var(--ease-in-out), border-radius var(--dur-base) var(--ease-out), border-color var(--dur-fast) var(--ease-in-out);
}

.foot__links a:hover {
  background: var(--color-secondary-container);
  border-color: var(--color-secondary-container);
  border-radius: var(--radius-sm);
}

.foot__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm) var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
}

.foot__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-on-surface);
  font-weight: 600;
  white-space: nowrap;
}

.foot__top {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  text-decoration: none;
  white-space: nowrap;
}

.foot__top:hover {
  color: var(--color-on-surface);
}

.foot__top .icon {
  width: 16px;
  height: 16px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.6);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .js [data-enter] {
    animation: enter 800ms var(--ease-out) both;
  }

  .js .hero__copy > [data-enter]:nth-child(2) {
    animation-delay: 120ms;
  }


  .js .play {
    animation: enter 900ms var(--ease-out) 200ms both;
  }

  .js .screen .app__icon {
    animation: pop 600ms var(--ease-out) both;
    animation-delay: calc(400ms + var(--i, 0) * 28ms);
  }

  .js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  }

  .js .reveal.is-in {
    opacity: 1;
    transform: none;
  }

  .js .steps .step:nth-child(2) {
    transition-delay: 70ms;
  }

  .js .steps .step:nth-child(3) {
    transition-delay: 140ms;
  }

  .js .steps .step:nth-child(4) {
    transition-delay: 210ms;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 120ms !important;
    transition-delay: 0ms !important;
  }

}

.hero__copy {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  align-items: end;
  gap: var(--space-xl) var(--space-3xl);
}

.hero__title {
  max-width: 10ch;
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 600;
  line-height: 0.94;
  letter-spacing: -0.045em;
  overflow-wrap: anywhere;
  min-width: 0;
}

.hero__side {
  min-width: 0;
  padding-bottom: var(--space-xs);
}

.hero__lede {
  max-width: 44ch;
  color: var(--color-on-surface-variant);
  font-size: var(--text-lg);
  line-height: 1.6;
}

.play {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 25rem);
  align-items: center;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
  padding: clamp(0.75rem, 3vw, 2.5rem);
  border-radius: var(--radius-xl);
  background: linear-gradient(150deg, var(--color-stage), var(--color-stage-2));
  color: var(--color-on-stage);
}

.prefs {
  min-width: 0;
  max-width: 34rem;
}

.prefs__title {
  margin: 0 0 var(--space-lg) var(--space-2xs);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.pref {
  color: var(--color-on-surface);
}

.prefs__list {
  display: grid;
  gap: 2px;
}

.pref {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 76px;
  padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-lg);
  border-radius: 4px;
  background: var(--color-container-lowest);
}

.pref:first-child {
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.pref:last-child {
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.pref__text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.pref__name {
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.3;
}

.pref__sum {
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
  line-height: 1.4;
}

.switch {
  display: inline-flex;
  flex: none;
  padding: 0;
  border: 0;
  border-radius: var(--radius-pill);
  background: none;
  cursor: pointer;
}

.seg {
  display: flex;
  flex: none;
  gap: 2px;
}

.swatches {
  display: flex;
  flex: none;
  gap: 6px;
}

.swatch {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sw-fg) 50%, var(--sw-bg) 50%);
  box-shadow: inset 0 0 0 1px var(--color-outline-variant);
  cursor: pointer;
  transition: border-radius var(--dur-base) var(--ease-out), box-shadow var(--dur-fast) var(--ease-in-out);
}

.swatch:hover {
  border-radius: 34%;
}

.swatch[aria-pressed="true"] {
  border-radius: 34%;
  box-shadow: 0 0 0 2px var(--color-container-lowest), 0 0 0 4px var(--color-primary);
}

.swatch--off {
  background: conic-gradient(var(--color-icon-red) 0 25%, var(--color-icon-amber) 0 50%, var(--color-icon-green) 0 75%, var(--color-icon-blue) 0);
}

.swatch--blue {
  --sw-bg: var(--tint-blue-bg);
  --sw-fg: var(--tint-blue-fg);
}

.swatch--green {
  --sw-bg: var(--tint-green-bg);
  --sw-fg: var(--tint-green-fg);
}

.swatch--rose {
  --sw-bg: var(--tint-rose-bg);
  --sw-fg: var(--tint-rose-fg);
}

.swatch--amber {
  --sw-bg: var(--tint-amber-bg);
  --sw-fg: var(--tint-amber-fg);
}

.slider {
  --fill: 66.6%;
  width: min(11rem, 100%);
  height: 32px;
  flex: none;
  margin: 0;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.slider:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
  border-radius: var(--radius-xs);
}

.slider::-webkit-slider-runnable-track {
  height: 12px;
  border-radius: var(--radius-pill);
  background: linear-gradient(to right, var(--color-primary) var(--fill), var(--color-secondary-container) var(--fill));
}

.slider::-webkit-slider-thumb {
  width: 4px;
  height: 32px;
  margin-top: -10px;
  border-radius: 2px;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-container-lowest);
  -webkit-appearance: none;
  appearance: none;
}

.slider::-moz-range-track {
  height: 12px;
  border-radius: var(--radius-pill);
  background: var(--color-secondary-container);
}

.slider::-moz-range-progress {
  height: 12px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.slider::-moz-range-thumb {
  width: 4px;
  height: 32px;
  border: 0;
  border-radius: 2px;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-container-lowest);
}

.play__caption {
  margin-top: var(--space-md);
  padding-inline: var(--space-2xs);
  color: var(--color-on-stage);
  opacity: 0.86;
  font-size: var(--text-sm);
}

.screen {
  --cols: 5;
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  aspect-ratio: 4 / 5;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  border-radius: var(--radius-lg);
  background: linear-gradient(170deg, var(--color-wall-1), var(--color-wall-2) 55%, var(--color-wall-3));
  box-shadow: 0 0 0 1px var(--color-wall-shape), 0 28px 56px -28px var(--color-wall-ink-shadow);
  overflow: hidden;
  isolation: isolate;
}

.screen__shape--a {
  width: 90%;
  aspect-ratio: 1;
  right: -36%;
  top: 16%;
}

.screen__shape--b {
  width: 60%;
  aspect-ratio: 1;
  left: -26%;
  bottom: -20%;
}

.app__icon svg {
  width: 52%;
  height: auto;
  aspect-ratio: 1;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feats li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2xs) var(--space-xs);
  padding-block: var(--space-sm);
  border-top: 1px solid var(--color-outline-variant);
  overflow-wrap: anywhere;
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 7px;
  border: 1px solid var(--color-outline-variant);
  border-radius: 6px;
  color: var(--color-on-surface-variant);
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.legend {
  display: grid;
  gap: var(--space-xs);
  margin-top: var(--space-xl);
  padding-inline: var(--space-md);
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
}

.legend li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.step__n {
  color: var(--color-on-band);
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

@media (max-width: 1024px) {
  .hero__copy {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .play {
    grid-template-columns: minmax(0, 1fr) minmax(0, 21rem);
    gap: var(--space-xl);
  }

  .stack__grid {
    grid-template-columns: 13.5rem minmax(0, 1fr);
    gap: var(--space-xl);
  }

  .band__panel {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2xl);
  }
}

@media (max-width: 860px) {
  .nav__center {
    display: none;
  }

  .nav__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .play {
    grid-template-columns: minmax(0, 1fr);
  }

  .screen {
    order: -1;
    max-width: 25rem;
    justify-self: center;
  }

  .prefs {
    max-width: none;
  }

  .stack__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .stack__index {
    display: none;
  }

  .faq__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .faq__head {
    position: static;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: calc(var(--nav-h) + var(--space-xl));
    padding-bottom: var(--space-2xl);
  }

  .play {
    margin-top: var(--space-2xl);
    border-radius: var(--radius-lg);
  }

  .screen {
    padding: var(--space-md) var(--space-sm) var(--space-sm);
    border-radius: var(--radius-md);
  }

  .pref {
    padding-left: var(--space-md);
  }

  .feats {
    grid-template-columns: minmax(0, 1fr);
  }

  .qa__a {
    padding-right: var(--space-lg);
  }

  .stack,
  .faq {
    padding-block: var(--space-3xl) var(--space-2xl);
  }
}

@media (max-width: 560px) {
  .brand__name--full {
    display: none;
  }

  .brand__name--short {
    display: inline;
  }
}

@media (max-width: 480px) {
  .pref--stack {
    flex-wrap: wrap;
    padding-block: var(--space-md);
  }

  .pref--stack .pref__text {
    flex: 1 1 100%;
  }

  .pref--stack .slider {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .nav__github {
    display: none;
  }

  .hero__actions .btn {
    flex: 1 1 auto;
  }
}

@media (max-width: 360px) {
  .brand__name--short {
    display: none;
  }
}