/* relembra landing page. Tokens first; everything below reads them. */

@font-face {
  font-family: "Stack Sans Headline";
  src: url("fonts/stack-sans-headline-latin.woff2") format("woff2");
  font-weight: 200 700;
  font-display: swap;
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Stack Sans Headline";
  src: url("fonts/stack-sans-headline-latin-ext.woff2") format("woff2");
  font-weight: 200 700;
  font-display: swap;
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Stack Sans Text";
  src: url("fonts/stack-sans-text-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Stack Sans Text";
  src: url("fonts/stack-sans-text-latin-ext.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  color-scheme: light;
  --ground: #f7f7f7;
  --soft: #e6ebe7;
  --ink: #0d2a1c;
  --ink-soft: #46584e;
  --deep: #0d2a1c;
  --deep-2: #173d29;
  --on-deep: #eef3ef;
  --on-deep-soft: #a9bdb1;
  --accent: #f6e016;
  --accent-2: #e9d40f;
  --on-accent: #0d2a1c;
  --on-accent-soft: #3d4219;
  --term: #071610;
  --term-2: #0f241a;
  --term-ink: #e6eee8;
  --term-soft: #8fa699;
  --chev-bg: #0d2a1c;
  --chev-fg: #f6e016;

  --m: clamp(20px, 5vw, 72px);
  --g: clamp(16px, 2.2vw, 32px);
  --pad: clamp(72px, 10vw, 152px);
  --bar-h: 64px;

  --f-head: "Stack Sans Headline", "Helvetica Neue", Arial, sans-serif;
  --f-text: "Stack Sans Text", "Helvetica Neue", Arial, sans-serif;
  --f-code: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --t-small: 15px;
  --t-body: clamp(17px, 16px + 0.2vw, 19px);
  --t-lead: clamp(21px, 18px + 0.75vw, 30px);
  --t-head: clamp(32px, 20px + 3vw, 64px);
  --t-hero: min(10.6vw, 176px);
  --t-display: min(9.2vw, 168px);
  --t-figure: clamp(40px, 5.4vw, 88px);
  --t-ui: 14px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --expo: cubic-bezier(0.16, 1, 0.3, 1);
  --in-out: cubic-bezier(0.76, 0, 0.24, 1);
  --spring: cubic-bezier(0.2, 1.5, 0.4, 1);

  --bg: var(--ground);
  --fg: var(--ink);
  --fg-soft: var(--ink-soft);
  --surface: var(--soft);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --ground: #0b1f15;
  --soft: #13291e;
  --ink: #eef3ef;
  --ink-soft: #9fb0a6;
  --deep: #1b4330;
  --deep-2: #24533b;
  --on-deep: #eef3ef;
  --on-deep-soft: #b3c6ba;
  --term: #050f0a;
  --term-2: #0c1d14;
  --chev-bg: #f6e016;
  --chev-fg: #0d2a1c;
}

html[lang="en"] {
  --t-hero: min(13vw, 212px);
}

/* Fields of colour. Each sets the four roles its children read. */
.on-ground {
  --bg: var(--ground);
  --fg: var(--ink);
  --fg-soft: var(--ink-soft);
  --surface: var(--soft);
}
.on-soft {
  --bg: var(--soft);
  --fg: var(--ink);
  --fg-soft: var(--ink-soft);
  --surface: var(--ground);
}
.on-deep {
  --bg: var(--deep);
  --fg: var(--on-deep);
  --fg-soft: var(--on-deep-soft);
  --surface: var(--deep-2);
}
.on-accent {
  --bg: var(--accent);
  --fg: var(--on-accent);
  --fg-soft: var(--on-accent-soft);
  --surface: var(--accent-2);
}
.on-ground,
.on-soft,
.on-deep,
.on-accent {
  background-color: var(--bg);
  color: var(--fg);
}

/* Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--bar-h) + 16px);
}
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 var(--t-body) / 1.55 var(--f-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  transition: background-color 0.4s var(--ease);
}
html[lang="pt-BR"] [lang="en"],
html[lang="en"] [lang="pt-BR"] {
  /* biome-ignore lint/complexity/noImportantStyles: the other language must stay hidden whatever a component sets */
  display: none !important;
}
h1,
h2,
h3 {
  margin: 0;
  font-family: var(--f-head);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.028em;
  text-wrap: balance;
}
p {
  margin: 0;
  text-wrap: pretty;
}
ul,
ol {
  margin: 0;
  padding: 0;
}
button,
input {
  font: inherit;
  color: inherit;
}
button {
  -webkit-tap-highlight-color: transparent;
}
a {
  color: inherit;
}
code {
  font-family: var(--f-code);
  font-size: 0.86em;
}
:not(pre) > code:not(.raw) {
  padding: 0.06em 0.32em;
  background: color-mix(in srgb, currentColor 10%, transparent);
  overflow-wrap: anywhere;
}
::selection {
  background: var(--accent);
  color: var(--on-accent);
}
:focus-visible {
  outline: 3px solid var(--fg);
  outline-offset: 3px;
}
.num {
  font-variant-numeric: tabular-nums;
}
.sr-only {
  /* biome-ignore lint/complexity/noImportantStyles: visually hidden text must never be repositioned */
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip {
  position: fixed;
  left: var(--m);
  top: 8px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.3s var(--expo);
}
.skip:focus-visible {
  transform: none;
}

/* Grid helper: every section shares one pair of margins and twelve columns. */
.try,
.live__col,
.explain__head,
.ch,
.proof,
.stack,
.faq__row {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--g);
}

/* Controls */
.link {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3em;
  text-decoration-color: transparent;
  transition: text-decoration-color 0.25s var(--ease);
}
.link:hover {
  text-decoration-color: currentColor;
}
.seg {
  display: inline-flex;
  border: 2px solid var(--fg);
}
.seg button,
.tog {
  min-height: 40px;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: var(--fg);
  font: 600 var(--t-small) / 1 var(--f-text);
  cursor: pointer;
  transition:
    background-color 0.25s var(--ease),
    color 0.25s var(--ease);
}
.tog {
  border: 2px solid var(--fg);
}
.seg button[aria-pressed="true"],
.tog[aria-pressed="true"] {
  background: var(--fg);
  color: var(--bg);
}
.seg button:hover:not([aria-pressed="true"]),
.tog:hover:not([aria-pressed="true"]) {
  background: color-mix(in srgb, var(--fg) 12%, transparent);
}
.cutwrap {
  display: inline-flex;
}
.cutwrap:has(:focus-visible) {
  outline: 3px solid var(--fg);
  outline-offset: 4px;
}
.btn {
  --cut: 16px;
  display: inline-flex;
  align-items: center;
  min-height: 56px;
  padding: 0 calc(var(--cut) + 24px) 0 24px;
  border: 0;
  background: var(--accent);
  color: var(--on-accent);
  font: 600 var(--t-body) / 1 var(--f-text);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut)) 0,
    100% 50%,
    calc(100% - var(--cut)) 100%,
    0 100%
  );
  transition:
    transform 0.5s var(--expo),
    padding 0.5s var(--expo);
}
.btn:focus-visible {
  outline: none;
}
.btn:hover {
  padding-right: calc(var(--cut) + 34px);
}
.btn:active {
  transform: scale(0.97);
}
.on-accent .btn {
  background: var(--on-accent);
  color: var(--accent);
}
.btn--small {
  --cut: 12px;
  min-height: 40px;
  padding: 0 calc(var(--cut) + 14px) 0 16px;
  font-size: var(--t-small);
}
.btn--small:hover {
  padding-right: calc(var(--cut) + 20px);
}
.ghost {
  min-height: 44px;
  padding: 0 16px;
  border: 2px solid var(--fg);
  background: transparent;
  color: var(--fg);
  font: 600 var(--t-small) / 1.1 var(--f-text);
  cursor: pointer;
  transition:
    background-color 0.2s var(--ease),
    color 0.2s var(--ease),
    transform 0.4s var(--expo),
    opacity 0.3s;
}
.ghost:hover:not(:disabled) {
  background: var(--fg);
  color: var(--bg);
}
.ghost:active:not(:disabled) {
  transform: translateY(1px) scale(0.98);
}
.ghost:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}
.ghost--ink {
  background: var(--fg);
  color: var(--bg);
}
.ghost--ink:hover:not(:disabled) {
  background: color-mix(in srgb, var(--fg) 82%, var(--bg));
}
.ghost--quiet {
  border-color: transparent;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
}

/* Header */
.bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--g);
  height: var(--bar-h);
  padding-inline: var(--m);
  transition:
    transform 0.5s var(--expo),
    background-color 0.4s var(--ease);
}
.bar.is-hidden {
  transform: translateY(-100%);
}
.bar__mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 650 23px / 1 var(--f-head);
  letter-spacing: -0.035em;
  text-decoration: none;
}
.chev {
  position: relative;
  width: 24px;
  height: 24px;
  background: var(--chev-bg);
}
.chev::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--chev-fg);
  clip-path: polygon(22% 50%, 53% 16%, 78% 16%, 47% 50%, 78% 84%, 53% 84%);
  transition: transform 0.6s var(--expo);
}
.bar__mark:hover .chev::after {
  transform: translateX(-12%);
}
.bar__nav {
  display: flex;
  gap: clamp(16px, 2vw, 32px);
  margin-left: auto;
  font-weight: 500;
  font-size: var(--t-small);
}
.bar__tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hero */
.hero {
  padding: clamp(40px, 9vh, 120px) var(--m) clamp(64px, 10vh, 128px);
  /* the masked lines bleed .4em sideways so descenders and the tarja are not cut; keep that
     bleed off the page width */
  overflow-x: clip;
}
.hero__title {
  font-size: var(--t-hero);
  font-weight: 650;
  line-height: 0.94;
  letter-spacing: -0.048em;
}
.ml {
  display: block;
  overflow: hidden;
  padding-bottom: 0.1em;
  margin-bottom: -0.1em;
}
.hero .ml {
  padding-inline: 0.4em;
  margin-inline: -0.4em;
}
.ml__in {
  display: block;
}
.mark {
  position: relative;
  display: inline-block;
  margin-left: -0.3em;
  padding: 0.02em 0.36em 0.16em 0.3em;
}
.mark__bar {
  position: absolute;
  inset: 0;
  padding: inherit;
  background: var(--accent);
  color: var(--on-accent);
  clip-path: polygon(
    0 0,
    calc(100% - 0.3em) 0,
    100% 50%,
    calc(100% - 0.3em) 100%,
    0 100%,
    0.3em 50%
  );
  pointer-events: none;
  user-select: none;
}
.hero__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px 48px;
  margin-top: clamp(32px, 4vw, 48px);
}
.hero__lead {
  max-width: 44ch;
  font-size: var(--t-lead);
  line-height: 1.3;
}

/* Try it */
.try {
  row-gap: clamp(32px, 4vw, 48px);
  padding: var(--pad) var(--m);
}
.try__title {
  grid-column: 1 / -1;
  font-size: var(--t-head);
}
.try__line {
  grid-column: 1 / -1;
}
.try__input {
  display: block;
  width: 100%;
  padding: 0.18em 0 0.26em;
  border: 0;
  border-bottom: 3px solid var(--fg);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  caret-color: var(--accent);
  font: 500 var(--t-head) / 1.15 var(--f-head);
  letter-spacing: -0.022em;
  resize: none;
  field-sizing: content;
  transition: border-color 0.25s var(--ease);
}
.try__input:focus-visible {
  outline: none;
  border-bottom-color: var(--accent);
}
.try__grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--g) calc(var(--g) * 2.5);
}
.try__answer {
  display: grid;
  align-content: start;
  gap: 16px;
}
.verdict {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  min-height: 40px;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  font: 600 var(--t-body) / 1.1 var(--f-text);
}
.chip--ok {
  background: var(--accent);
  color: var(--on-accent);
}
.chip--bad {
  background: var(--fg);
  color: var(--bg);
}
.chip.is-new {
  animation: stamp 0.45s var(--spring);
}
.verdict__why {
  max-width: 44ch;
  font-size: var(--t-body);
  color: var(--fg-soft);
}
.bytes {
  margin-top: 8px;
  font: 600 var(--t-lead) / 1 var(--f-head);
  letter-spacing: -0.02em;
}
.meter {
  height: 10px;
  overflow: hidden;
  background: color-mix(in srgb, var(--fg) 18%, transparent);
}
.meter__fill {
  display: block;
  height: 100%;
  background: var(--accent);
  transform: scaleX(var(--p, 0.1));
  transform-origin: left;
  transition:
    transform 0.55s var(--expo),
    background-color 0.25s;
}
.meter.is-over .meter__fill {
  background: var(--fg);
}
.try__save {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 8px;
}
.try__saved {
  font-size: var(--t-body);
  color: var(--fg-soft);
}
.try__side {
  display: grid;
  align-content: start;
  gap: 32px;
}
.try__examples {
  display: grid;
}
.example {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 12px 4px 12px 0;
  border: 0;
  border-top: 2px solid color-mix(in srgb, var(--fg) 40%, transparent);
  background: transparent;
  color: var(--fg);
  font: 500 var(--t-body) / 1.3 var(--f-text);
  text-align: left;
  cursor: pointer;
  transition:
    background-color 0.25s var(--ease),
    color 0.25s var(--ease);
}
.example::after {
  content: "";
  flex: none;
  width: 14px;
  height: 14px;
  background: currentColor;
  clip-path: polygon(0 0, 55% 0, 100% 50%, 55% 100%, 0 100%, 45% 50%);
  transition: transform 0.45s var(--expo);
}
.example:hover {
  color: var(--accent);
}
.example:hover::after {
  transform: translateX(4px);
}
.try__why {
  max-width: 42ch;
}

/* Terminal blocks: a product fragment, so its own quiet rules apply. */
.term {
  margin: 0;
  padding: 16px 18px;
  background: var(--term);
  color: var(--term-ink);
  font: 400 var(--t-ui) / 1.6 var(--f-code);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  tab-size: 2;
}
.term code {
  font: inherit;
}
.term--out {
  background: var(--surface);
  color: var(--fg);
}
.tk-dim {
  color: var(--term-soft);
}
.tk-val {
  color: #f6e016;
}
.tk-text {
  color: #ffffff;
  font-weight: 600;
}
.term--out .tk-dim {
  color: var(--fg-soft);
}
.term--out .tk-val,
.term--out .tk-text {
  color: inherit;
}

/* Live */
.live {
  padding: var(--pad) var(--m);
}
.live__col {
  row-gap: clamp(48px, 7vw, 96px);
}
.live__title {
  grid-column: 1 / 8;
  font-size: var(--t-head);
}
.live__pain {
  grid-column: 8 / -1;
  align-self: end;
  max-width: 46ch;
}
.calls {
  grid-column: 1 / -1;
  display: grid;
  gap: clamp(48px, 6vw, 80px);
  list-style: none;
}
.call {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--g);
  row-gap: 16px;
  align-items: start;
}
.call__say {
  grid-column: 1 / 5;
  font: 600 var(--t-lead) / 1.15 var(--f-head);
  letter-spacing: -0.02em;
}
.call__in {
  position: relative;
  grid-column: 5 / -1;
}
.call__in .term {
  padding-right: 92px;
}
.call__in .term,
.call__out .term {
  white-space: pre;
  overflow-x: auto;
  overflow-wrap: normal;
}
.call__out {
  grid-column: 5 / -1;
  display: grid;
  gap: 10px;
}
.call__where {
  font-size: var(--t-small);
  color: var(--fg-soft);
}
.copy {
  position: absolute;
  top: 10px;
  right: 10px;
  min-height: 32px;
  padding: 0 10px;
  border: 2px solid var(--term-soft);
  background: var(--term);
  color: var(--term-ink);
  font: 600 var(--t-ui) / 1 var(--f-text);
  cursor: pointer;
  transition:
    background-color 0.2s,
    color 0.2s,
    border-color 0.2s;
}
.copy:hover,
.copy.is-done {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}
.session {
  grid-column: 5 / -1;
  min-width: 0;
  overflow-wrap: anywhere;
  background: var(--term);
  color: var(--term-ink);
}
.session__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 8px 8px 16px;
  background: var(--term-2);
  color: var(--term-soft);
  font: 500 var(--t-ui) / 1.2 var(--f-text);
}
.session__replay {
  min-height: 32px;
  padding: 0 12px;
  border: 2px solid var(--term-soft);
  background: transparent;
  color: var(--term-ink);
  font: 600 var(--t-ui) / 1 var(--f-text);
  cursor: pointer;
  transition:
    border-color 0.2s,
    background-color 0.2s,
    color 0.2s;
}
.session__replay:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}
.session__body {
  display: grid;
  gap: 14px;
  padding: 18px 16px 22px;
  list-style: none;
  font-size: var(--t-body);
  line-height: 1.5;
}
.sl {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
}
.sl--sys,
.sl--wake {
  grid-template-columns: minmax(0, 1fr);
}
.sl--sys {
  color: var(--term-soft);
  font: 400 var(--t-ui) / 1.4 var(--f-code);
}
.sl--wake code {
  display: block;
  padding: 12px 14px;
  background: var(--term-2);
  font: 400 var(--t-ui) / 1.6 var(--f-code);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.sl__who {
  color: var(--term-soft);
  font: 600 var(--t-ui) / 1.9 var(--f-text);
}
.sl--agent {
  color: #ffffff;
}
.sl--agent code {
  color: #f6e016;
  background: transparent;
  padding: 0;
}
.session.is-playing .sl {
  opacity: 0;
  transform: translateY(10px);
}
.session.is-playing .sl.is-shown {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.45s var(--ease),
    transform 0.6s var(--expo);
}

/* Explain */
.explain {
  position: relative;
}
.explain__head {
  row-gap: 28px;
  padding: var(--pad) var(--m) clamp(56px, 7vw, 104px);
}
.explain__title {
  grid-column: 1 / 7;
  font-size: var(--t-head);
}
.explain__lead {
  grid-column: 1 / 8;
  max-width: 40ch;
  font-size: var(--t-lead);
  line-height: 1.32;
}
.ch {
  row-gap: 32px;
  align-items: start;
  padding: clamp(64px, 8vw, 128px) var(--m);
}
.ch__text {
  grid-column: 1 / 6;
  display: grid;
  gap: 24px;
}
.ch__title {
  font-size: var(--t-head);
}
.ch__kid,
.ch__eng {
  max-width: 44ch;
}
.ch__kid {
  font-size: var(--t-lead);
  line-height: 1.35;
}
.explain[data-depth="kid"] .ch__eng,
.explain[data-depth="eng"] .ch__kid {
  display: none;
}
html:not(.js) .explain .ch__eng,
html:not(.js) .explain .ch__kid {
  display: block;
}
.stage {
  grid-column: 7 / -1;
  display: grid;
  /* facts are typed by the visitor: a long unbroken one must wrap, not widen the page */
  min-width: 0;
  overflow-wrap: anywhere;
  align-content: start;
  gap: 20px;
  margin: 0;
  padding: clamp(20px, 2.4vw, 36px);
  background: var(--surface);
  color: var(--fg);
}
.stage__cap {
  font: 600 var(--t-small) / 1.3 var(--f-text);
  color: var(--fg-soft);
}
.stage__out {
  min-height: 1.55em;
  overflow-wrap: anywhere;
  font-size: var(--t-body);
}
.stage__out strong {
  font-weight: 650;
}
.depth {
  position: relative;
  display: flex;
  width: max-content;
  max-width: 100%;
  padding: 4px;
  background: var(--fg);
  color: var(--bg);
}
.depth button {
  position: relative;
  z-index: 1;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  background: transparent;
  color: inherit;
  font: 600 var(--t-small) / 1 var(--f-text);
  cursor: pointer;
  transition:
    background-color 0.35s var(--ease),
    color 0.35s var(--ease);
}
.depth button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--on-accent);
}
.depth button:focus-visible {
  outline-color: var(--accent);
  outline-offset: -3px;
}
.explain__head .depth {
  grid-column: 1 / 7;
}
.film {
  grid-column: 8 / -1;
  grid-row: 1 / span 3;
  align-self: center;
  margin: 0;
}
.film__video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: var(--term);
}
.film__cap {
  margin-top: 12px;
  font-size: var(--t-small);
}
html:not(.js) .depth {
  display: none;
}

/* Chapter 1: anatomy */
.anatomy {
  padding: 16px;
  background: var(--term);
  color: var(--term-ink);
  font: 500 var(--t-ui) / 1.7 var(--f-code);
}
.anatomy__code {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 2px;
  font: inherit;
}
.part {
  padding: 2px 6px;
  border: 0;
  background: transparent;
  color: var(--term-soft);
  font: inherit;
  text-align: left;
  overflow-wrap: anywhere;
  cursor: pointer;
  transition:
    background-color 0.25s var(--ease),
    color 0.25s var(--ease),
    opacity 0.4s var(--ease),
    transform 0.6s var(--expo);
}
.part--text {
  color: #ffffff;
  font-weight: 700;
}
.part--frame {
  cursor: default;
}
.part[aria-pressed="true"],
.part:hover:not(.part--frame) {
  background: var(--accent);
  color: var(--on-accent);
}
.part:focus-visible {
  outline-color: var(--accent);
}
.anatomy__say {
  min-height: 3.2em;
  font-size: var(--t-body);
}
.ruler {
  height: 10px;
  overflow: hidden;
  background: color-mix(in srgb, var(--fg) 14%, transparent);
}
.ruler__fill {
  display: block;
  height: 100%;
  background: var(--fg);
  transform: scaleX(var(--p, 0));
  transform-origin: left;
  transition: transform 0.9s var(--expo);
}
.ruler__label {
  font-size: var(--t-small);
  color: var(--fg-soft);
}

/* Chapter 2: drawers */
.who {
  flex-wrap: wrap;
  width: max-content;
  max-width: 100%;
}
.search input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 2px solid var(--fg);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  font-size: var(--t-body);
  -webkit-appearance: none;
  appearance: none;
}
.search input:focus-visible {
  outline-offset: 2px;
}
.drawers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.drawer {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 220px;
  padding: 12px;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  transition: background-color 0.3s var(--ease);
}
.drawer__head {
  display: grid;
  gap: 2px;
}
.drawer__name {
  font: 600 var(--t-ui) / 1.2 var(--f-code);
}
.drawer__key {
  font-size: var(--t-ui);
  color: var(--fg-soft);
}
.drawer__items {
  display: grid;
  gap: 6px;
  list-style: none;
}
.drawer__item {
  padding: 6px 8px;
  background: var(--bg);
  font-size: var(--t-small);
  line-height: 1.35;
  transition:
    background-color 0.3s var(--ease),
    color 0.3s var(--ease),
    opacity 0.4s var(--ease),
    transform 0.6s var(--expo);
}
.drawer__item.is-hit {
  background: var(--accent);
  color: var(--on-accent);
}
.drawer.is-locked .drawer__item {
  min-height: 1.6em;
  background: color-mix(in srgb, var(--fg) 22%, transparent);
  color: transparent;
  user-select: none;
}
.drawer.is-shaking {
  animation: shake 0.5s var(--ease);
}

/* Chapter 3: wake budget */
.budget {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--t-body);
  font-size: var(--t-body);
}
.budget output {
  min-width: 7.5ch;
  font: 600 var(--t-body) / 1 var(--f-head);
  text-align: right;
}
.budget input[type="range"] {
  width: 100%;
  height: 32px;
  margin: 0;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}
.budget input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  background: color-mix(in srgb, var(--fg) 25%, transparent);
}
.budget input[type="range"]::-moz-range-track {
  height: 6px;
  background: color-mix(in srgb, var(--fg) 25%, transparent);
}
.budget input[type="range"]::-webkit-slider-thumb {
  width: 24px;
  height: 24px;
  margin-top: -9px;
  border: 0;
  border-radius: 0;
  background: var(--fg);
  -webkit-appearance: none;
  appearance: none;
}
.budget input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 0;
  background: var(--fg);
}
.wakebar {
  height: 14px;
  overflow: hidden;
  background: color-mix(in srgb, var(--fg) 12%, transparent);
}
.wakebar__fill {
  display: block;
  height: 100%;
  background: var(--fg);
  transform: scaleX(var(--p, 0));
  transform-origin: left;
  transition: transform 0.5s var(--expo);
}
.wakelist {
  display: grid;
  gap: 6px;
  list-style: none;
}
.wl {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 8px 10px;
  background: var(--bg);
  font-size: var(--t-small);
  line-height: 1.35;
  transition:
    opacity 0.35s var(--ease),
    background-color 0.35s var(--ease);
}
.wl__tag {
  font: 600 var(--t-ui) / 1.2 var(--f-text);
}
.wl__how {
  font-size: var(--t-ui);
  color: var(--fg-soft);
  white-space: nowrap;
}
.wl--index .wl__text {
  font: 400 var(--t-ui) / 1.4 var(--f-code);
  color: var(--fg-soft);
}
.wl--out {
  background: transparent;
  opacity: 0.55;
}
.wl--out .wl__text {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

/* Chapter 4: erase */
.erase {
  display: grid;
  gap: 8px;
  list-style: none;
}
.er {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 12px 14px;
  background: var(--bg);
}
.er__scope {
  font: 600 var(--t-ui) / 1.5 var(--f-code);
}
.er__kind {
  font-size: var(--t-ui);
  color: var(--fg-soft);
}
.er__body {
  grid-row: span 2;
  grid-column: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  min-width: 0;
}
.er__text {
  position: relative;
  width: max-content;
  max-width: 100%;
  font-size: var(--t-body);
  line-height: 1.4;
}
.er__ink {
  position: absolute;
  inset: -0.08em -0.2em;
  background: var(--fg);
  color: var(--bg);
  font: 600 var(--t-ui) / 1 var(--f-text);
  display: flex;
  align-items: center;
  padding-left: 0.6em;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.75s var(--in-out);
  transition-delay: calc(var(--i, 0) * 140ms);
}
.er.is-redacted .er__ink {
  transform: none;
}
.er__state {
  font-size: var(--t-ui);
  font-weight: 600;
  color: var(--fg-soft);
}
.er.is-retracted .er__text {
  opacity: 0.5;
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}
.carriers__title {
  font: 600 var(--t-small) / 1.3 var(--f-text);
  color: var(--fg-soft);
}
.carriers {
  display: grid;
  gap: 6px;
  list-style: none;
}
.carrier {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  background: var(--bg);
  font-size: var(--t-small);
}
.carrier__id {
  font: 500 var(--t-ui) / 1.3 var(--f-code);
}
.carrier__what {
  display: block;
  font: 400 var(--t-ui) / 1.3 var(--f-text);
  color: var(--fg-soft);
}
.carrier__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}
.status {
  padding: 4px 8px;
  border: 2px solid var(--fg);
  font: 600 var(--t-ui) / 1 var(--f-text);
  white-space: nowrap;
}
.status--pending {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}
.status--acknowledged {
  background: var(--fg);
  color: var(--bg);
}
.status--unsupported {
  border-style: dotted;
  border-width: 3px;
}
.status.is-new {
  animation: stamp 0.45s var(--spring);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Chapter 5: retry */
.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}
.term--log {
  min-height: 10.5em;
  background: var(--term);
}
.log-line {
  display: block;
  animation: lineIn 0.5s var(--expo) both;
}
.log-line--bad {
  color: #f6e016;
}

/* Chapter 6: the exam */
.exam__wrap {
  overflow-x: auto;
}
.exam {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--t-small);
}
.exam th {
  padding: 6px 10px;
  color: var(--fg-soft);
  font: 600 var(--t-ui) / 1.3 var(--f-text);
  text-align: left;
}
.exam td {
  padding: 6px 10px;
}
.exam td:first-child {
  font: 500 var(--t-ui) / 1.4 var(--f-code);
  overflow-wrap: anywhere;
}
.exam td:nth-child(2) {
  color: var(--fg-soft);
  font-size: var(--t-ui);
}
.exam tbody tr {
  cursor: default;
  transition:
    background-color 0.2s,
    color 0.2s;
}
.exam tbody tr:nth-child(odd) {
  background: color-mix(in srgb, var(--fg) 7%, transparent);
}
.exam tbody tr:hover,
.exam tbody tr:focus-visible,
.exam tbody tr.is-on {
  background: var(--fg);
  color: var(--bg);
  outline: none;
}
.exam tbody tr:hover td:nth-child(2),
.exam tbody tr:focus-visible td:nth-child(2),
.exam tbody tr.is-on td:nth-child(2) {
  color: inherit;
}
.stamp {
  display: inline-block;
  padding: 4px 7px;
  border: 2px solid currentColor;
  font: 700 var(--t-ui) / 1 var(--f-text);
  letter-spacing: 0.04em;
  transform: rotate(-4deg);
}
.stamp--pass {
  border-color: var(--fg);
  background: var(--fg);
  color: var(--bg);
}
.exam tbody tr:hover .stamp--pass,
.exam tbody tr:focus-visible .stamp--pass,
.exam tbody tr.is-on .stamp--pass {
  border-color: var(--bg);
  background: var(--bg);
  color: var(--fg);
}

/* Fields: four tiles */
.fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--g);
  padding: var(--pad) var(--m);
}
.field {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 48px;
  min-height: clamp(380px, 40vw, 600px);
  padding: clamp(24px, 3vw, 48px);
}
.field__text {
  max-width: 36ch;
  font-size: var(--t-body);
}
.field__phrase {
  font-size: var(--t-figure);
  font-weight: 650;
  line-height: 0.94;
  letter-spacing: -0.045em;
}

/* Numbers */
.proof {
  row-gap: clamp(40px, 5vw, 64px);
  padding: var(--pad) var(--m);
}
.proof__title {
  grid-column: 1 / -1;
  font-size: var(--t-display);
  font-weight: 650;
  line-height: 0.92;
  letter-spacing: -0.048em;
}
.proof__l2 {
  padding-left: calc(25% + 0.4em);
}
.proof__wrap {
  grid-column: 1 / -1;
}
.proof__table {
  width: 100%;
  border-collapse: collapse;
}
.proof__table tbody tr {
  border-top: 3px solid var(--fg);
}
.proof__table tbody tr:last-child {
  border-bottom: 3px solid var(--fg);
}
.proof__table th[scope="row"] {
  padding: 22px 24px 22px 0;
  font: 600 var(--t-lead) / 1.2 var(--f-head);
  letter-spacing: -0.015em;
  text-align: left;
  vertical-align: top;
}
.proof__how {
  display: block;
  margin-top: 6px;
  font: 400 var(--t-body) / 1.45 var(--f-text);
  letter-spacing: 0;
  color: var(--fg-soft);
}
.proof__n .num {
  font-variant-numeric: proportional-nums;
}
.proof__n {
  padding: 16px 0;
  font: 650 var(--t-figure) / 1 var(--f-head);
  letter-spacing: -0.04em;
  font-variant-numeric: proportional-nums;
  text-align: right;
  vertical-align: top;
  white-space: nowrap;
}
.proof__src {
  margin-top: 24px;
  max-width: 70ch;
  font-size: var(--t-small);
  color: var(--fg-soft);
}

/* Everything you get */
.stack {
  padding: var(--pad) var(--m);
}
.stack__title {
  grid-column: 1 / -1;
  margin-bottom: clamp(32px, 4vw, 56px);
  font-size: var(--t-head);
}
.stack__group {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: 12px var(--g);
  padding: 24px 0;
  border-top: 3px solid var(--fg);
}
.stack__name {
  font: 600 var(--t-lead) / 1.15 var(--f-head);
  letter-spacing: -0.015em;
}
.stack__group ul {
  display: grid;
  list-style: none;
}
.stack__group li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 24px;
  padding: 8px 0;
}
.stack__v {
  text-align: right;
}
.stack__group--price {
  margin-top: 12px;
  padding: 24px;
  border: 0;
  background: var(--accent);
  color: var(--on-accent);
}
.stack__group--price .stack__v {
  color: inherit;
  font: 650 var(--t-lead) / 1 var(--f-head);
}
.stack__close {
  grid-column: 1 / 10;
  margin-top: clamp(32px, 4vw, 56px);
  font: 600 var(--t-lead) / 1.3 var(--f-head);
  letter-spacing: -0.015em;
}

/* Questions */
.faq {
  padding: var(--pad) var(--m);
}
.faq__row {
  padding-block: 28px;
  border-top: 3px solid var(--fg);
}
.faq__row--head {
  padding-block: 0 clamp(32px, 4vw, 56px);
  border-top: 0;
}
.faq__q {
  grid-column: 1 / 6;
  font: 600 var(--t-lead) / 1.2 var(--f-head);
  letter-spacing: -0.015em;
}
.faq__q--head {
  grid-column: 1 / -1;
  font-size: var(--t-head);
  letter-spacing: -0.028em;
}
.faq__a {
  grid-column: 7 / -1;
  max-width: 56ch;
}

/* Call to action band */
.cta {
  padding: 0;
}
.band {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto 1fr;
  gap: 32px var(--g);
  min-height: clamp(360px, 46vw, 680px);
  padding: clamp(32px, 4vw, 56px) var(--m) clamp(16px, 2vw, 32px);
  text-decoration: none;
  overflow: hidden;
  transition:
    background-color 0.45s var(--ease),
    color 0.45s var(--ease);
}
.band:hover {
  --bg: var(--ink);
  --fg: var(--ground);
}
html[data-theme="dark"] .band:hover {
  --bg: var(--ground);
  --fg: var(--accent);
}
.band:focus-visible {
  outline-offset: -6px;
}
.band__say {
  max-width: 30ch;
  font: 500 var(--t-lead) / 1.3 var(--f-text);
}
.band__arrow {
  width: clamp(48px, 7vw, 112px);
  height: auto;
  transition: transform 0.7s var(--expo);
}
.band:hover .band__arrow {
  transform: translate(10%, -10%);
}
.band__word {
  grid-column: 1 / -1;
  align-self: end;
  font: 650 clamp(88px, 21vw, 380px) / 0.8 var(--f-head);
  letter-spacing: -0.06em;
  transition: transform 0.9s var(--expo);
}
.band:hover .band__word {
  transform: translateX(1.5%);
}

/* Footer */
.foot {
  padding: clamp(56px, 7vw, 96px) var(--m) 28px;
}
.foot__cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px var(--g);
}
.foot__h {
  margin-bottom: 12px;
  font: 600 var(--t-small) / 1.3 var(--f-text);
  color: var(--fg-soft);
}
.foot__cols ul {
  display: grid;
  gap: 6px;
  list-style: none;
  font-size: var(--t-body);
}
.foot__prefs {
  margin-top: 32px;
}
.foot__mark {
  margin: clamp(48px, 7vw, 112px) 0 0;
  font: 650 22vw / 0.84 var(--f-head);
  letter-spacing: -0.042em;
  white-space: nowrap;
}
.foot__mark .ml {
  padding-bottom: 0.08em;
}
.foot__mark .ml__in {
  display: inline-block;
}
.foot__legal {
  margin-top: 24px;
  font-size: var(--t-small);
  color: var(--fg-soft);
}

/* Motion. The page is complete without any of it. */
@keyframes rise {
  from {
    transform: translateY(108%);
  }
}
@keyframes tarja {
  from {
    clip-path: polygon(0 0, 0 0, 0 50%, 0 100%, 0 100%, 0 50%);
  }
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
}
@keyframes textIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}
@keyframes lineIn {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }
}
@keyframes stamp {
  from {
    transform: scale(1.25);
  }
}
@keyframes shake {
  20% {
    transform: translateX(-7px);
  }
  40% {
    transform: translateX(6px);
  }
  60% {
    transform: translateX(-4px);
  }
  80% {
    transform: translateX(2px);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
}

/* Motion. The bootstrap script sets data-motion from the visitor's saved choice, or from the
   system's preference on a first visit; the Motion toggles change it. "full" moves things;
   "reduced" keeps the fades and drops every movement. Without script there is no attribute, so
   nothing is hidden and nothing animates. */
:root[data-motion="full"] {
  scroll-behavior: smooth;
}
:root[data-motion] .mark__bar {
  animation: tarja 1s var(--in-out) 0.7s both;
}
:root[data-motion] .hero__lead {
  animation: fadeUp 0.9s var(--ease) 0.45s both;
}
:root[data-motion] .hero__cta {
  animation: fadeUp 0.9s var(--ease) 0.6s both;
}

.motion [data-reveal] {
  transition:
    opacity 0.9s var(--ease),
    transform 1.1s var(--expo);
  transition-delay: calc(var(--d, 0) * 80ms);
}
.motion [data-reveal]:not(.is-in) {
  opacity: 0;
  transform: translateY(28px);
}
[data-d="1"] {
  --d: 1;
}
[data-d="2"] {
  --d: 2;
}
[data-d="3"] {
  --d: 3;
}
[data-d="4"] {
  --d: 4;
}

/* Masked lines, in ascending specificity so each later rule can win. */
.motion [data-lines] .ml__in {
  transition:
    transform 1.15s var(--expo),
    opacity 0.9s var(--ease);
}
.motion .foot__mark .ml__in {
  transition-duration: 1.4s;
}
:root[data-motion] .hero .ml__in {
  animation: rise 1.15s var(--expo) both;
}
.motion [data-lines]:not(.is-in) .ml__in {
  transform: translateY(108%);
}
.motion [data-lines] .ml + .ml .ml__in {
  transition-delay: 0.1s;
}
:root[data-motion] .hero .ml:nth-child(2) .ml__in {
  animation-delay: 0.1s;
}

/* .motion sits on the root; naming it there keeps this after the no-script rules in specificity */
:root.motion .explain .ch__kid,
:root.motion .explain .ch__eng {
  animation: textIn 0.6s var(--expo) both;
}

.motion .stage .part,
.motion .stage .drawer__item,
.motion .stage .stamp {
  transition-delay: calc(var(--i, 0) * 45ms);
}
.motion .stage:not(.is-in) .part,
.motion .stage:not(.is-in) .drawer__item {
  opacity: 0;
  transform: translateY(8px);
}
.motion .stage .stamp {
  transition:
    transform 0.5s var(--spring),
    opacity 0.25s var(--ease);
}
.motion .stage:not(.is-in) .stamp {
  opacity: 0;
  transform: scale(1.9) rotate(-14deg);
}
.motion .stage:not(.is-in) .ruler__fill,
.motion .stage:not(.is-in) .wakebar__fill {
  transform: scaleX(0);
}

/* Reduced: every animation becomes a fade with its own timing, and only opacity and colour ease;
   a transform still applies, at once, so nothing slides, sweeps, bounces or shakes. */
:root[data-motion="reduced"] *,
:root[data-motion="reduced"] *::before,
:root[data-motion="reduced"] *::after {
  /* biome-ignore lint/complexity/noImportantStyles: reduced motion overrides every component */
  animation-name: fadeIn !important;
  /* biome-ignore lint/complexity/noImportantStyles: reduced motion overrides every component */
  transition-property: opacity, color, background-color, border-color !important;
}
/* a masked line hides by sliding under its mask; reduced, it fades instead */
:root.motion[data-motion="reduced"] [data-lines]:not(.is-in) .ml__in {
  opacity: 0;
}

@media (forced-colors: active) {
  .mark__bar {
    forced-color-adjust: none;
  }
  .btn,
  .chip,
  .status {
    border: 2px solid ButtonText;
  }
}

/* Tablet */
@media (max-width: 1080px) {
  .call__say {
    grid-column: 1 / -1;
  }
  .call__in,
  .call__out {
    grid-column: 1 / -1;
  }
  .session {
    grid-column: 1 / -1;
  }
  .ch__text,
  .stage {
    grid-column: 1 / -1;
  }
  .explain__title,
  .explain__lead,
  .explain__head .depth,
  .film {
    grid-column: 1 / -1;
  }
  .film {
    grid-row: auto;
  }
  .ch__kid,
  .ch__eng {
    max-width: 56ch;
  }
  .live__title {
    grid-column: 1 / -1;
  }
  .live__pain {
    grid-column: 1 / 10;
  }
}

/* Header on narrow screens: the sections move to a second row */
@media (max-width: 900px) {
  :root {
    --bar-h: 104px;
  }
  .bar {
    flex-wrap: wrap;
    height: auto;
    min-height: var(--bar-h);
    row-gap: 4px;
    padding-block: 10px 4px;
  }
  .bar__tools {
    margin-left: auto;
  }
  .bar__nav {
    order: 3;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
    margin: 0;
    padding: 4px 0 6px;
    gap: 0 12px;
    white-space: nowrap;
  }
  .bar__nav .link {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
  }
}
@media (max-width: 680px) {
  .bar__cta {
    display: none;
  }
}
@media (max-width: 520px) {
  /* no room beside the language and theme controls; the footer keeps its own toggle */
  .bar__motion {
    display: none;
  }
}

/* Phone */
@media (max-width: 760px) {
  .try__grid,
  .call__in,
  .call__out,
  .live__pain,
  .explain__title,
  .explain__lead,
  .stack__close {
    grid-column: 1 / -1;
  }
  .try__grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .drawers {
    grid-template-columns: minmax(0, 1fr);
  }
  .drawer {
    min-height: 0;
  }
  .fields {
    grid-template-columns: minmax(0, 1fr);
  }
  .field {
    min-height: 360px;
  }
  .proof__l2 {
    padding-left: 0.4em;
  }
  .stack__group li {
    display: block;
  }
  .stack__v {
    display: block;
    margin-top: 2px;
    color: var(--fg-soft);
    text-align: left;
  }
  /* On a phone each row becomes a stat: the figure first, then what it measures. */
  .proof__table tbody tr {
    display: flex;
    flex-direction: column;
  }
  .proof__table th[scope="row"],
  .proof__table .proof__n {
    display: block;
  }
  .proof__table th[scope="row"] {
    padding: 0 0 32px;
  }
  .proof__table .proof__n {
    order: -1;
    padding: 40px 0 10px;
    text-align: left;
    white-space: normal;
  }
  .stack__group {
    grid-template-columns: minmax(0, 1fr);
  }
  .faq__q,
  .faq__a {
    grid-column: 1 / -1;
  }
  .faq__a {
    margin-top: 12px;
  }
  .foot__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .wl {
    grid-template-columns: 76px minmax(0, 1fr);
  }
  .wl__how {
    grid-column: 2;
  }
  .er {
    grid-template-columns: minmax(0, 1fr);
  }
  .er__body {
    grid-row: auto;
    grid-column: 1;
  }
  .call__in .term {
    padding-right: 18px;
    padding-top: 48px;
  }
}