:root {
  --paper: #f6f4ef;
  --paper-bright: #fcfbf8;
  --paper-deep: #ece9e1;
  --ink: #201e1a;
  --ink-soft: #6f6a60;
  --ink-faint: #a39d92;
  --line: #e6e1d6;
  --line-strong: #d0c9bc;
  --moss: #7e8c7b;
  --moss-deep: #55614e;
  --night: #151412;
  --serif: "Iowan Old Style", "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --content-width: 1240px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --section-space: clamp(6.5rem, 13vw, 12rem);
  --type-hero: clamp(3rem, 5.5vw, 5.5rem);
  --type-section: clamp(2.2rem, 3.5vw, 3.45rem);
  --type-panel: clamp(2.15rem, 3.8vw, 4rem);
  --type-item: clamp(1.35rem, 1.8vw, 1.65rem);
  --type-card: clamp(1.55rem, 2.2vw, 2rem);
  --type-response: clamp(1.55rem, 2.45vw, 2.45rem);
  --type-body: 1rem;
  --type-small: .84rem;
  --type-label: .68rem;
  --measure-copy: 34rem;
  --ease: cubic-bezier(.32, 0, .18, 1);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--moss-deep);
  color: var(--paper-bright);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: .25em;
}

button {
  color: inherit;
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--moss-deep);
  outline-offset: 4px;
}

::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  border: 3px solid var(--paper);
  border-radius: 8px;
  background: var(--line-strong);
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: .75rem;
  left: .75rem;
  transform: translateY(-180%);
  padding: .6rem .85rem;
  border-radius: 6px;
  background: var(--night);
  color: var(--paper-bright);
  transition: transform .2s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  width: 100%;
  border-bottom: 1px solid transparent;
  background: rgba(246, 244, 239, .58);
  transition: background .35s var(--ease), border-color .35s var(--ease);
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(246, 244, 239, .94);
}

.header-inner,
.footer-inner {
  display: flex;
  width: min(100%, var(--content-width));
  min-height: 5.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 8rem;
}

.brand img {
  display: block;
  width: 8.5rem;
  height: auto;
}

.site-navigation {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.2rem);
  color: var(--ink-soft);
  font-size: .77rem;
  letter-spacing: .04em;
}

.site-navigation a {
  position: relative;
  padding: .7rem 0;
  text-decoration: none;
}

.site-navigation a::after {
  position: absolute;
  right: 0;
  bottom: .32rem;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--moss-deep);
  content: "";
  transition: transform .35s var(--ease);
}

.site-navigation a:hover,
.site-navigation a:focus-visible {
  color: var(--ink);
}

.site-navigation a:hover::after,
.site-navigation a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-quiet-link {
  color: var(--moss-deep);
}

.mobile-menu-button {
  display: none;
  min-height: 44px;
  align-items: center;
  gap: .6rem;
  border: 0;
  background: none;
  cursor: pointer;
}

.menu-line,
.menu-line::after {
  display: block;
  width: 1.4rem;
  height: 1px;
  background: var(--ink);
  content: "";
  transition: transform .25s var(--ease);
}

.menu-line::after {
  transform: translateY(6px);
}

.menu-label {
  color: var(--ink-soft);
  font-size: .74rem;
  letter-spacing: .08em;
}

.site-header.is-open .menu-line {
  transform: rotate(45deg) translateY(3px);
}

.site-header.is-open .menu-line::after {
  transform: rotate(-90deg) translateX(6px);
}

.page-section {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding-right: var(--gutter);
  padding-left: var(--gutter);
}

.section-rule {
  border-top: 1px solid var(--line);
}

.section-kicker,
.brand-mark,
.item-index,
.panel-label,
.partner-label,
.direction-label,
.response-label {
  margin: 0;
  color: var(--moss-deep);
  font-family: var(--mono);
  font-size: var(--type-label);
  letter-spacing: .12em;
  line-height: 1.5;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 400;
}

h1,
h2 {
  letter-spacing: -.035em;
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  max-width: none;
  margin-bottom: 1.5rem;
  font-size: var(--type-hero);
  white-space: nowrap;
}

h2 {
  margin-bottom: 2.2rem;
  font-size: var(--type-section);
  white-space: nowrap;
}

h3 {
  line-height: 1.25;
}

.section-lede {
  max-width: var(--measure-copy);
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: var(--type-body);
  line-height: 1.8;
  text-wrap: pretty;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  color: var(--moss-deep);
  font-size: .9rem;
  text-decoration: none;
}

.text-link-arrow span {
  display: inline-block;
  font-size: 1.2rem;
  transition: transform .35s var(--ease);
}

.text-link-arrow:hover span,
.text-link-arrow:focus-visible span {
  transform: translate(3px, 3px);
}

.hero-section {
  position: relative;
  display: grid;
  min-height: min(900px, 100svh);
  grid-template-columns: minmax(0, 1fr) minmax(360px, .9fr);
  align-items: center;
  gap: clamp(2rem, 8vw, 9rem);
  padding-top: 10rem;
  padding-bottom: 5rem;
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding-bottom: 3.5rem;
}

.brand-mark {
  margin-bottom: 2.5rem;
}

.hero-lede {
  margin-bottom: 1.25rem;
  color: var(--moss-deep);
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  line-height: 1.35;
}

.hero-description {
  max-width: 34rem;
  margin-bottom: 2rem;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.9;
}

.hero-media {
  position: relative;
  display: flex;
  min-height: 30rem;
  align-items: center;
  justify-content: center;
}

.hero-ripple {
  position: absolute;
  top: 46%;
  left: 50%;
  width: min(34vw, 27rem);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
}

.ripple-ring,
.ripple-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.ripple-ring {
  border: 1px solid var(--moss);
}

.ripple-ring-one {
  width: 42%;
  height: 42%;
  opacity: .25;
}

.ripple-ring-two {
  width: 70%;
  height: 70%;
  opacity: .17;
}

.ripple-ring-three {
  width: 100%;
  height: 100%;
  opacity: .1;
}

.ripple-dot {
  width: 8px;
  height: 8px;
  background: var(--moss-deep);
}

.hero-web-frame {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: min(100%, 42rem);
  transform: translate(-50%, -50%) rotate(1deg);
}

.web-frame {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-bright);
  box-shadow: 0 20px 50px rgba(32, 30, 26, .12);
}

.web-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-web-frame figcaption,
.journey-figure figcaption {
  margin-top: .8rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .04em;
  line-height: 1.5;
}

.hero-footnote {
  position: absolute;
  right: var(--gutter);
  bottom: 2rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .08em;
}

.problem-section,
.journey-section,
.deep-reading-section,
.distinction-section,
.traces-section,
.about-section,
.partners-section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.problem-section,
.journey-section,
.about-section {
  display: block;
}

.reading-mode-layout {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: clamp(3rem, 10vw, 10rem);
}

.problem-section .section-intro,
.journey-section .section-intro,
.deep-reading-section .section-intro,
.partners-section .section-intro {
  align-self: start;
}

.problem-section h2,
.journey-section h2,
.about-section h2 {
  max-width: none;
  font-size: var(--type-section);
}

.problem-body {
  padding-top: 3.5rem;
}

.problem-list {
  margin-top: 5rem;
  border-top: 1px solid var(--line);
}

.problem-item {
  display: grid;
  grid-template-columns: 4rem minmax(7rem, .5fr) 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}

.problem-item h3 {
  margin-bottom: 0;
  font-size: var(--type-item);
}

.problem-item p {
  max-width: 23rem;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: var(--type-small);
}

.journey-layout {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(8.5rem, .28fr) minmax(0, .72fr);
  gap: clamp(2rem, 8vw, 8rem);
  margin-top: 1rem;
}

.stage-rail {
  align-self: start;
  position: sticky;
  top: 8rem;
}

.stage-tabs,
.mode-tabs {
  display: grid;
  border-top: 1px solid var(--line);
}

.stage-tabs button,
.mode-tabs button {
  min-height: 3.6rem;
  padding: .7rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}

.stage-tabs button {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: .67rem;
  letter-spacing: .09em;
}

.stage-tabs button span {
  color: inherit;
  font-family: var(--serif);
  font-size: 1.2rem;
  letter-spacing: 0;
}

.stage-tabs button:hover,
.stage-tabs button:focus-visible,
.stage-tabs button[aria-selected="true"] {
  color: var(--moss-deep);
}

.stage-tabs button[aria-selected="true"] {
  padding-right: .65rem;
  border-color: var(--moss-deep);
}

.stage-note {
  max-width: 10rem;
  margin: 1.5rem 0 0;
  color: var(--ink-faint);
  font-size: .76rem;
  line-height: 1.7;
}

.journey-panels {
  min-width: 0;
}

.journey-panel {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(280px, .78fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  min-height: 30rem;
}

body.js-enabled .journey-panel:not(.is-active),
body.js-enabled .mode-response:not(.is-active) {
  display: none;
}

.panel-copy {
  align-self: center;
}

.panel-label {
  margin-bottom: 1.8rem;
}

.panel-copy h3 {
  max-width: 12ch;
  min-height: 2.5em;
  margin-bottom: 1.4rem;
  font-size: var(--type-panel);
  letter-spacing: -.025em;
  text-wrap: balance;
}

.panel-copy > p:last-child {
  max-width: 29rem;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: var(--type-body);
  line-height: 1.85;
  text-wrap: pretty;
}

.journey-figure {
  width: min(100%, 31rem);
  margin: 0 auto;
}

.web-frame-journey {
  border-radius: 14px;
}

.app-showcase-grid {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1rem;
  border: 1px solid var(--line);
  background: var(--line);
}

.app-showcase-card {
  display: block;
  padding: clamp(1.25rem, 3vw, 2.2rem);
  background: var(--paper-bright);
  text-decoration: none;
  transition: background .3s var(--ease), color .3s var(--ease);
}

.app-showcase-card:hover,
.app-showcase-card:focus-visible {
  background: #f0eee8;
}

.app-card-index,
.app-card-link {
  display: block;
  color: var(--moss-deep);
  font-family: var(--mono);
  font-size: var(--type-label);
  letter-spacing: .1em;
  line-height: 1.5;
  text-transform: uppercase;
}

.app-showcase-card h3 {
  max-width: 14ch;
  min-height: 2.5em;
  margin: 1rem 0 .55rem;
  font-size: clamp(1.55rem, 2.4vw, 2.2rem);
  letter-spacing: -.025em;
  line-height: 1.25;
  text-wrap: balance;
}

.app-showcase-card > p {
  min-height: 3.4em;
  margin: 0;
  color: var(--ink-soft);
  font-size: .9rem;
  line-height: 1.7;
}

.app-showcase-card img {
  display: block;
  width: 100%;
  height: auto;
  margin: 1.6rem 0 1.35rem;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
}

.hero-v4-phone {
  width: min(100%, 22rem);
  overflow: hidden;
  transform: translate(-50%, -50%);
  border-radius: 44px;
  border-color: var(--line-strong);
  background: var(--paper-bright);
  box-shadow: 0 24px 50px rgba(32, 30, 26, .14);
}

.hero-v4-phone img,
.app-showcase-card img {
  width: min(100%, 17rem);
  margin-right: auto;
  margin-left: auto;
  border-radius: 44px;
}

.hero-v4-phone img {
  width: 100%;
}

.app-card-link {
  color: var(--ink-soft);
  letter-spacing: .05em;
  text-transform: none;
  transition: color .3s var(--ease);
}

.app-showcase-card:hover .app-card-link,
.app-showcase-card:focus-visible .app-card-link {
  color: var(--moss-deep);
}

.deep-reading-demo {
  display: flex;
  width: 100%;
  aspect-ratio: 390 / 844;
  flex-direction: column;
  overflow: hidden;
  background: #eeece5;
  color: var(--ink);
  font-family: var(--sans);
}

.deep-reading-demo-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .7rem;
  padding: 1.05rem 1.15rem;
  border-bottom: 1px solid rgba(32, 30, 26, .12);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: .55rem;
  letter-spacing: .12em;
}

.deep-reading-demo-brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: .45rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .04em;
}

.deep-reading-demo-mark {
  display: inline-grid;
  width: 1.25rem;
  height: 1.25rem;
  place-items: center;
  border: 1px solid var(--moss-deep);
  border-radius: 50%;
  color: #d9362e;
  font-family: var(--serif);
  font-size: .78rem;
  font-weight: 400;
}

.deep-reading-demo-path {
  overflow: hidden;
  color: var(--ink-faint);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.deep-reading-demo-state {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--moss-deep);
  white-space: nowrap;
}

.deep-reading-demo-state i {
  display: block;
  width: .34rem;
  height: .34rem;
  border-radius: 50%;
  background: #d9362e;
}

.deep-reading-demo-body {
  display: grid;
  min-height: 0;
  flex: 1;
  grid-template-columns: 2.5rem minmax(0, 1fr);
}

.deep-reading-demo-rail {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem .45rem;
  border-right: 1px solid rgba(32, 30, 26, .1);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: .48rem;
  letter-spacing: .08em;
  line-height: 1.55;
  text-align: center;
}

.deep-reading-demo-rail .is-active {
  display: grid;
  width: 1.45rem;
  height: 1.45rem;
  place-items: center;
  border: 1px solid var(--moss-deep);
  border-radius: 50%;
  color: var(--moss-deep);
}

.deep-reading-demo-page {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.2rem, 5vw, 2.5rem);
  background:
    radial-gradient(circle at 90% 16%, rgba(126, 140, 123, .12), transparent 27%),
    linear-gradient(135deg, rgba(255, 255, 255, .34), transparent 50%);
}

.deep-reading-demo-page::before,
.deep-reading-demo-page::after {
  position: absolute;
  border: 1px solid rgba(85, 97, 78, .16);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.deep-reading-demo-page::before {
  top: 18%;
  right: -19%;
  width: 56%;
  aspect-ratio: 1;
}

.deep-reading-demo-page::after {
  top: 24%;
  right: -11%;
  width: 40%;
  aspect-ratio: 1;
}

.deep-reading-demo-caption,
.deep-reading-demo-note,
.deep-reading-demo-verse,
.deep-reading-demo-quote {
  position: relative;
  z-index: 1;
  margin: 0;
}

.deep-reading-demo-caption {
  margin-bottom: 1.3rem;
  color: var(--moss-deep);
  font-family: var(--mono);
  font-size: .53rem;
  letter-spacing: .1em;
}

.deep-reading-demo-verse {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 5.2vw, 2.2rem);
  letter-spacing: -.04em;
  line-height: 1.25;
  white-space: nowrap;
}

.deep-reading-demo-rule {
  position: relative;
  z-index: 1;
  width: 3.5rem;
  height: 1px;
  margin: 1.2rem 0 1.4rem;
  background: var(--moss-deep);
  opacity: .55;
}

.deep-reading-demo-quote {
  max-width: 14ch;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 3.6vw, 1.45rem);
  line-height: 1.7;
}

.deep-reading-demo-note {
  margin-top: 1.25rem;
  color: var(--ink-faint);
  font-size: .68rem;
  letter-spacing: .03em;
  transition: color .35s var(--ease);
}

.deep-reading-demo-ask {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .35rem .8rem;
  margin-top: clamp(2rem, 7vw, 3.2rem);
  padding: .9rem 1rem;
  border: 1px solid rgba(85, 97, 78, .28);
  border-radius: 12px;
  background: rgba(252, 251, 248, .62);
}

.deep-reading-demo-ask span:first-child {
  color: var(--moss-deep);
  font-family: var(--mono);
  font-size: .48rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.deep-reading-demo-ask strong {
  max-width: 17ch;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(.82rem, 2.8vw, 1rem);
  font-weight: 400;
  line-height: 1.5;
}

.deep-reading-demo-arrow {
  align-self: end;
  color: var(--moss-deep);
  font-size: 1.2rem;
}

.deep-reading-demo-modes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(32, 30, 26, .12);
  background: rgba(252, 251, 248, .46);
}

.deep-reading-demo-modes button {
  display: grid;
  min-height: 3.8rem;
  align-content: center;
  justify-items: start;
  gap: .12rem;
  padding: .65rem .8rem;
  border: 0;
  border-right: 1px solid rgba(32, 30, 26, .1);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  text-align: left;
  transition: background .3s var(--ease), color .3s var(--ease);
}

.deep-reading-demo-modes button:last-child {
  border-right: 0;
}

.deep-reading-demo-modes button span {
  font-family: var(--serif);
  font-size: .88rem;
}

.deep-reading-demo-modes button small {
  color: var(--ink-faint);
  font-size: .5rem;
  letter-spacing: .04em;
}

.deep-reading-demo-modes button:hover,
.deep-reading-demo-modes button:focus-visible,
.deep-reading-demo-modes button.is-active {
  background: var(--moss-deep);
  color: var(--paper-bright);
}

.deep-reading-demo-modes button.is-active small,
.deep-reading-demo-modes button:hover small,
.deep-reading-demo-modes button:focus-visible small {
  color: #d1d9ca;
}

.hero-v4-phone figcaption {
  margin: 0;
  padding: .7rem .9rem .85rem;
  background: var(--paper-bright);
  color: var(--ink-faint);
  text-align: center;
}

/* The homepage artwork is one contained landscape showcase, not a tall app screen. */
.hero-v4-phone {
  width: min(100%, 36rem);
  border-radius: 20px;
}

.deep-reading-demo {
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(circle at 82% 42%, rgba(126, 140, 123, .12), transparent 26%),
    #eeece5;
}

.deep-reading-demo-top {
  min-height: 3.2rem;
  padding: .72rem 1rem;
}

.deep-reading-demo-body {
  position: relative;
  grid-template-columns: minmax(0, 1.08fr) minmax(10rem, .92fr);
  gap: clamp(1rem, 4vw, 2rem);
  padding: clamp(1.2rem, 4vw, 2.25rem);
}

.deep-reading-demo-body::after {
  position: absolute;
  right: 34%;
  bottom: 18%;
  width: 8rem;
  height: 8rem;
  border: 1px solid rgba(85, 97, 78, .15);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.deep-reading-demo-reading {
  position: relative;
  z-index: 1;
  align-self: center;
  min-width: 0;
}

.deep-reading-demo-reading .deep-reading-demo-caption {
  margin-bottom: .8rem;
}

.deep-reading-demo-reading .deep-reading-demo-verse {
  font-size: clamp(1.45rem, 4.5vw, 2.2rem);
}

.deep-reading-demo-reading .deep-reading-demo-rule {
  margin: .9rem 0 1rem;
}

.deep-reading-demo-reading .deep-reading-demo-quote {
  max-width: 12ch;
  font-size: clamp(.95rem, 2.8vw, 1.35rem);
  line-height: 1.55;
}

.deep-reading-demo-reading .deep-reading-demo-note {
  margin-top: 1rem;
  font-size: .62rem;
}

.deep-reading-demo-question {
  position: relative;
  z-index: 1;
  display: grid;
  min-width: 0;
  align-content: center;
  gap: .75rem;
  padding: clamp(1.1rem, 3vw, 1.7rem);
  border: 1px solid rgba(85, 97, 78, .25);
  border-radius: 14px;
  background: rgba(252, 251, 248, .78);
  box-shadow: 0 12px 26px rgba(32, 30, 26, .08);
}

.deep-reading-demo-question-label {
  color: var(--moss-deep);
  font-family: var(--mono);
  font-size: .5rem;
  letter-spacing: .1em;
}

.deep-reading-demo-question strong {
  max-width: 12ch;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1rem, 3vw, 1.45rem);
  font-weight: 400;
  line-height: 1.45;
}

.deep-reading-demo-question-mark {
  position: absolute;
  top: .85rem;
  right: .9rem;
  display: grid;
  width: 1.7rem;
  height: 1.7rem;
  place-items: center;
  border: 1px solid var(--moss-deep);
  border-radius: 50%;
  color: #d9362e;
  font-family: var(--serif);
  font-size: .9rem;
}

.deep-reading-demo-question-arrow {
  align-self: end;
  color: var(--moss-deep);
  font-size: 1.2rem;
}

.deep-reading-demo-modes {
  min-height: 3.8rem;
}

.hero-v4-phone figcaption {
  display: none;
}

/* Homepage artwork: show one contained fragment of the post-reading state. */
.deep-reading-complete {
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(circle at 88% 18%, rgba(126, 140, 123, .14), transparent 27%),
    #eeece5;
}

.deep-reading-complete-top {
  display: grid;
  min-height: 2.85rem;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .7rem;
  padding: .62rem .8rem;
  border-bottom: 1px solid rgba(32, 30, 26, .12);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: .48rem;
  letter-spacing: .08em;
}

.deep-reading-complete-top .deep-reading-demo-brand {
  font-size: .58rem;
}

.deep-reading-complete-top .deep-reading-demo-mark {
  width: 1.1rem;
  height: 1.1rem;
  font-size: .68rem;
}

.deep-reading-complete-path {
  overflow: hidden;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.deep-reading-complete-state {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--moss-deep);
  white-space: nowrap;
}

.deep-reading-complete-state i {
  display: block;
  width: .3rem;
  height: .3rem;
  border-radius: 50%;
  background: #d9362e;
}

.deep-reading-complete-body {
  display: grid;
  min-height: 0;
  flex: 1;
  grid-template-columns: 2.15rem minmax(0, 1fr);
}

.deep-reading-complete-rail {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.05rem .35rem .85rem;
  border-right: 1px solid rgba(32, 30, 26, .1);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: .4rem;
  letter-spacing: .08em;
  line-height: 1.45;
  text-align: center;
}

.deep-reading-complete-index {
  display: grid;
  width: 1.35rem;
  height: 1.35rem;
  place-items: center;
  border: 1px solid var(--moss-deep);
  border-radius: 50%;
  color: var(--moss-deep);
}

.deep-reading-complete-page {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: clamp(.3rem, 1.2vw, 1.15rem) clamp(.55rem, 2.4vw, 1.5rem);
  background:
    radial-gradient(circle at 93% 20%, rgba(126, 140, 123, .1), transparent 25%),
    linear-gradient(135deg, rgba(255, 255, 255, .32), transparent 55%);
}

.deep-reading-complete-page::before,
.deep-reading-complete-page::after {
  position: absolute;
  border: 1px solid rgba(85, 97, 78, .14);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.deep-reading-complete-page::before {
  top: 8%;
  right: -13%;
  width: 34%;
  aspect-ratio: 1;
}

.deep-reading-complete-page::after {
  top: 16%;
  right: -5%;
  width: 23%;
  aspect-ratio: 1;
}

.deep-reading-complete-kicker,
.deep-reading-complete-lede,
.deep-reading-complete-next {
  position: relative;
  z-index: 1;
  margin: 0;
}

.deep-reading-complete-kicker {
  margin-bottom: .22rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: clamp(.4rem, .8vw, .46rem);
  letter-spacing: .18em;
}

.deep-reading-complete-page h2 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(.75rem, 1.9vw, 1.32rem);
  font-weight: 400;
  letter-spacing: -.02em;
  line-height: 1.25;
  white-space: nowrap;
}

.deep-reading-complete-lede {
  margin-top: .2rem;
  color: var(--ink-faint);
  font-size: clamp(.46rem, 1vw, .72rem);
  line-height: 1.2;
  letter-spacing: .08em;
  white-space: nowrap;
}

.deep-reading-complete-trace,
.deep-reading-complete-next-book {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: clamp(1.45rem, 3vw, 2.1rem);
  padding: .2rem .55rem;
  border: 1px solid rgba(151, 137, 111, .34);
  border-radius: 10px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(.54rem, 1.25vw, .88rem);
  white-space: nowrap;
}

.deep-reading-complete-trace {
  margin-top: .45rem;
  background: rgba(252, 251, 248, .38);
}

.deep-reading-complete-trace span,
.deep-reading-complete-next-book span {
  color: var(--moss-deep);
  font-family: var(--sans);
  font-size: .92rem;
}

.deep-reading-complete-next {
  margin-top: .4rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(.56rem, 1.3vw, .94rem);
  line-height: 1.25;
  white-space: nowrap;
}

.deep-reading-complete-next-book {
  margin-top: .3rem;
  color: var(--ink-faint);
  background: rgba(252, 251, 248, .2);
}

.deep-reading-complete-footer {
  min-height: 1.9rem;
  padding: .52rem .8rem;
  border-top: 1px solid rgba(32, 30, 26, .12);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: .44rem;
  letter-spacing: .08em;
  text-align: right;
  white-space: nowrap;
}

.app-showcase-stage {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: 1px;
  min-width: 0;
  margin-top: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.app-showcase-copy {
  display: grid;
  min-width: 0;
  background: var(--paper-bright);
}

.app-showcase-option {
  display: block;
  min-width: 0;
  padding: clamp(1.25rem, 2.8vw, 2.2rem);
  border: 0;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}

.app-showcase-option:last-child {
  border-bottom: 0;
}

.app-showcase-option:hover,
.app-showcase-option:focus-visible,
.app-showcase-option.is-active {
  background: #f0eee8;
}

.app-showcase-option.is-active {
  border-left-color: var(--moss-deep);
}

.app-showcase-option-title,
.app-showcase-option-description {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-showcase-option-title {
  margin: .8rem 0 .5rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  letter-spacing: -.025em;
  line-height: 1.3;
}

.app-showcase-option-description {
  margin-bottom: 1.5rem;
  color: var(--ink-soft);
  font-size: .86rem;
  line-height: 1.6;
}

.app-showcase-option .app-card-link {
  color: var(--ink-soft);
  letter-spacing: .05em;
  text-transform: none;
  transition: color .3s var(--ease);
}

.app-showcase-option.is-active .app-card-link,
.app-showcase-option:hover .app-card-link,
.app-showcase-option:focus-visible .app-card-link {
  color: var(--moss-deep);
}

.app-showcase-visual {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  overflow: hidden;
  padding: clamp(1.5rem, 5vw, 4.5rem);
  background: var(--paper-deep);
}

.showcase-slides {
  position: relative;
  width: min(100%, 19rem);
  aspect-ratio: 390 / 844;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 34px;
  background: var(--night);
  box-shadow: 0 18px 36px rgba(32, 30, 26, .14);
}

.showcase-slide {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  opacity: 1;
  text-decoration: none;
}

.showcase-slide[hidden] {
  display: none;
}

.showcase-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase-controls {
  display: flex;
  min-width: 8rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.35rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .08em;
}

.showcase-control {
  display: inline-grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  color: var(--moss-deep);
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.showcase-control:hover,
.showcase-control:focus-visible {
  border-color: var(--moss-deep);
  background: var(--moss-deep);
  color: var(--paper-bright);
}

.showcase-hint {
  margin: .75rem 0 0;
  color: var(--ink-faint);
  font-size: .68rem;
  letter-spacing: .03em;
}

.deep-reading-section {
  background: var(--paper-deep);
}

.reading-mode-layout {
  grid-column: 1 / -1;
  align-items: end;
}

.mode-intro {
  padding-top: 2rem;
}

.mode-tabs {
  margin-top: 4.2rem;
}

.mode-tabs button {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 1.3rem;
}

.mode-tabs button span {
  color: var(--ink-faint);
  font-family: var(--sans);
  font-size: .78rem;
}

.mode-tabs button:hover,
.mode-tabs button:focus-visible,
.mode-tabs button[aria-selected="true"] {
  color: var(--moss-deep);
}

.mode-tabs button[aria-selected="true"] {
  padding-left: .7rem;
  border-color: var(--moss-deep);
}

.mode-stage {
  position: relative;
  min-height: 21rem;
  padding: clamp(2rem, 5vw, 4.5rem);
  border: 1px solid var(--line-strong);
  background: var(--paper-bright);
}

.mode-response {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.8rem;
  align-items: start;
}

.response-mark {
  display: inline-grid;
  width: 2.6rem;
  height: 2.6rem;
  place-items: center;
  border: 1px solid var(--moss);
  border-radius: 50%;
  color: var(--moss-deep);
  font-family: var(--serif);
  font-size: 1.4rem;
}

.response-label {
  margin-bottom: 1.6rem;
}

.response-text {
  max-width: 25rem;
  margin-bottom: 1.2rem;
  font-family: var(--serif);
  font-size: var(--type-response);
  line-height: 1.4;
  text-wrap: balance;
}

.response-note {
  max-width: 23rem;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: .86rem;
  line-height: 1.8;
}

.mode-footnote {
  position: absolute;
  right: clamp(1.5rem, 4vw, 4.5rem);
  bottom: 1.4rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: .61rem;
  letter-spacing: .04em;
}

.distinction-section {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 10vw, 9rem);
}

.comparison-heading h2 {
  margin-bottom: 1.5rem;
}

.comparison-table {
  align-self: end;
  border-top: 1px solid var(--ink);
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 4.2rem;
  border-bottom: 1px solid var(--line);
}

.comparison-row span {
  display: flex;
  align-items: center;
  padding: 1rem 1.2rem;
  font-size: .86rem;
  line-height: 1.6;
}

.comparison-row span + span {
  border-left: 1px solid var(--line);
  color: var(--moss-deep);
}

.comparison-header {
  min-height: 3.2rem;
  border-bottom-color: var(--ink);
}

.comparison-header span {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.traces-section {
  background: var(--night);
  color: var(--paper-bright);
}

.traces-section .section-kicker,
.traces-section .section-lede {
  color: #b6c0ad;
}

.traces-heading {
  max-width: 43rem;
}

.traces-heading h2 {
  margin-top: .8rem;
  margin-bottom: 1.5rem;
}

.trace-chain {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  margin-top: 7rem;
}

.trace-node {
  flex: 0 1 11rem;
}

.trace-symbol {
  display: grid;
  width: 3.2rem;
  height: 3.2rem;
  margin-bottom: 1.4rem;
  place-items: center;
  border: 1px solid #71806c;
  border-radius: 50%;
  color: #b6c0ad;
  font-family: var(--serif);
  font-size: 1.35rem;
}

.trace-node strong,
.trace-node small {
  display: block;
}

.trace-node strong {
  margin-bottom: .35rem;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
}

.trace-node small {
  color: #8d9787;
  font-size: .75rem;
}

.trace-line {
  flex: 1;
  min-width: 1.5rem;
  height: 1px;
  background: #485247;
}

.about-section {
  align-items: end;
}

.about-copy h2 {
  margin-top: .8rem;
  margin-bottom: 1.5rem;
}

.direction-label {
  display: inline-flex;
  margin-top: 2.5rem;
  padding: .45rem .65rem;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: .62rem;
}

.growth-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: .65rem;
  padding-bottom: .8rem;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.7rem);
}

.growth-path i {
  color: var(--moss);
  font-family: var(--sans);
  font-size: 1rem;
  font-style: normal;
}

.growth-path .path-end {
  color: var(--moss-deep);
}

.partners-section {
  background: var(--paper-deep);
}

.partner-list {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
}

.partner-item {
  min-height: 17rem;
  padding: 2rem 1.5rem 2rem 0;
}

.partner-item + .partner-item {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line-strong);
}

.partner-item h3 {
  max-width: 11ch;
  margin: 1.7rem 0 1.1rem;
  font-size: var(--type-card);
  text-wrap: balance;
}

.partner-item > p:last-child {
  max-width: 18rem;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: var(--type-small);
  line-height: 1.8;
}

.partner-note {
  grid-column: 1 / -1;
  margin: 1.5rem 0 0;
  color: var(--ink-faint);
  font-size: .76rem;
}

.closing-section {
  position: relative;
  display: grid;
  min-height: 37rem;
  place-items: center;
  overflow: hidden;
  padding-top: 8rem;
  padding-bottom: 8rem;
  text-align: center;
}

.closing-ripple {
  position: absolute;
  width: min(72vw, 46rem);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.closing-ripple::before,
.closing-ripple::after {
  position: absolute;
  inset: 13%;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: "";
}

.closing-ripple::after {
  inset: 28%;
  border-color: var(--moss);
}

.closing-copy {
  position: relative;
  z-index: 1;
}

.closing-copy h2 {
  margin: 1rem 0 2.5rem;
  font-size: var(--type-hero);
  white-space: nowrap;
}

.button {
  display: inline-flex;
  min-height: 3.2rem;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding: .8rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  transition: background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}

.button-dark {
  background: var(--night);
  color: var(--paper-bright);
}

.button-dark:hover,
.button-dark:focus-visible {
  background: var(--moss-deep);
  transform: translateY(-2px);
}

.site-footer {
  background: var(--night);
  color: var(--paper-bright);
}

.footer-inner {
  min-height: 11rem;
  align-items: flex-end;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.footer-brand,
.footer-tagline {
  margin-bottom: 0;
}

.footer-brand {
  font-family: var(--serif);
  font-size: 1.7rem;
}

.footer-tagline {
  color: #8d9787;
  font-size: .74rem;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .7rem 1.2rem;
  color: #8d9787;
  font-family: var(--mono);
  font-size: .61rem;
  letter-spacing: .04em;
  text-align: right;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem 1.2rem;
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding: 1.1rem var(--gutter) 2.25rem;
  border-top: 1px solid rgba(248, 245, 238, .14);
  color: #8d9787;
  font-family: var(--mono);
  font-size: .62rem;
  line-height: 1.7;
  letter-spacing: .02em;
}

.footer-legal p {
  margin: 0;
}

.footer-legal-primary {
  width: 100%;
  color: var(--paper-bright);
}

.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: .12s;
}

body:not(.js-enabled) .reveal {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .site-navigation {
    gap: 1.1rem;
  }

  .hero-section {
    grid-template-columns: minmax(0, 1fr) minmax(240px, .75fr);
    gap: 3rem;
  }

  .hero-web-frame {
    width: min(100%, 34rem);
  }

  .app-showcase-stage {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }

  .problem-section,
  .journey-section,
  .reading-mode-layout,
  .about-section {
    gap: 3.5rem;
  }

  .journey-layout {
    gap: 3rem;
  }

  .journey-panel {
    grid-template-columns: minmax(0, 1fr) minmax(220px, .58fr);
    gap: 2.5rem;
  }

  .growth-path {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  html {
    scroll-padding-top: 5rem;
  }

  .site-header.is-open {
    background: var(--paper-bright);
  }

  .header-inner {
    min-height: 4.7rem;
  }

  .mobile-menu-button {
    display: inline-flex;
  }

  .site-navigation {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: .65rem var(--gutter);
    border-bottom: 1px solid transparent;
    background: var(--paper-bright);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-.5rem);
    visibility: hidden;
    transition: opacity .4s var(--ease), transform .4s var(--ease), visibility .4s var(--ease), border-color .4s var(--ease);
  }

  .site-header.is-open .site-navigation {
    border-color: var(--line);
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .site-navigation a {
    min-height: 44px;
    padding: .7rem 0;
  }

  .site-navigation a::after {
    bottom: .5rem;
    transform-origin: left;
  }

  .hero-section {
    display: block;
    min-height: auto;
    padding-top: 8.2rem;
    padding-bottom: 5.5rem;
  }

  :root {
    --type-hero: clamp(1.9rem, 9vw, 4rem);
  }

  h1 {
    max-width: none;
    margin-bottom: 1.15rem;
    font-size: var(--type-hero);
  }

  h2 {
    --type-section: clamp(2rem, 9vw, 3rem);
    font-size: var(--type-section);
    white-space: normal;
  }

  .hero-description {
    font-size: .93rem;
  }

  .hero-description br {
    display: none;
  }

  .hero-media {
    min-height: 25rem;
    margin-top: 2.5rem;
  }

  .hero-ripple {
    width: min(82vw, 23rem);
  }

  .hero-web-frame {
    position: relative;
    top: auto;
    left: auto;
    width: min(100%, 34rem);
    transform: none;
  }

  .hero-footnote {
    position: static;
    justify-content: center;
    margin-top: 1.4rem;
  }

  .problem-section,
  .journey-section,
  .reading-mode-layout,
  .distinction-section,
  .about-section {
    display: block;
  }

  .problem-body,
  .mode-intro {
    padding-top: 0;
  }

  .problem-list,
  .mode-tabs {
    margin-top: 3.2rem;
  }

  .problem-item {
    grid-template-columns: 3rem minmax(5rem, .4fr) 1fr;
    gap: .8rem;
    padding: 1.2rem 0;
  }

  .problem-item h3 {
    --type-item: 1.35rem;
    font-size: var(--type-item);
  }

  .problem-item p {
    font-size: var(--type-small);
  }

  .journey-layout {
    display: block;
    margin-top: 3.5rem;
  }

  .app-showcase-grid {
    grid-template-columns: 1fr;
    margin-top: 3.5rem;
  }

  .app-showcase-stage {
    grid-template-columns: 1fr;
    margin-top: 3.5rem;
  }

  .app-showcase-option {
    padding: 1.2rem 1.25rem;
  }

  .app-showcase-option-title,
  .app-showcase-option-description {
    white-space: normal;
  }

  .app-showcase-option-title {
    font-size: clamp(1.35rem, 7vw, 2rem);
  }

  .app-showcase-visual {
    padding: 2.5rem 1.25rem 2rem;
  }

  .showcase-slides {
    width: min(100%, 17rem);
  }

  .app-showcase-card h3,
  .app-showcase-card > p {
    min-height: auto;
  }

  .stage-rail {
    position: static;
  }

  .stage-tabs {
    display: flex;
    overflow-x: auto;
    gap: 1.5rem;
    margin-right: calc(var(--gutter) * -1);
    margin-left: calc(var(--gutter) * -1);
    padding: 0 var(--gutter);
    scrollbar-width: none;
  }

  .stage-tabs::-webkit-scrollbar {
    display: none;
  }

  .stage-tabs button {
    min-width: 5.2rem;
    flex: 0 0 auto;
    display: grid;
    justify-content: start;
    gap: .2rem;
    min-height: 4.2rem;
  }

  .stage-tabs button[aria-selected="true"] {
    padding-right: 0;
  }

  .stage-note {
    display: none;
  }

  .journey-panels {
    margin-top: 2.5rem;
  }

  .journey-panel {
    display: block;
    min-height: auto;
  }

  .panel-copy h3 {
    --type-panel: clamp(2rem, 9vw, 3rem);
    max-width: 12ch;
    margin-bottom: 1rem;
    font-size: var(--type-panel);
  }

  .journey-figure {
    width: min(100%, 31rem);
    margin-top: 2.5rem;
  }

  .mode-stage {
    min-height: 23rem;
    margin-top: 3rem;
    padding: 1.5rem;
  }

  .mode-response {
    grid-template-columns: 2.6rem 1fr;
    gap: 1rem;
  }

  .response-mark {
    width: 2.2rem;
    height: 2.2rem;
  }

  .response-text {
    --type-response: clamp(1.45rem, 7vw, 2.2rem);
    font-size: var(--type-response);
  }

  .mode-footnote {
    right: 1.5rem;
    bottom: 1rem;
    font-size: .55rem;
  }

  .distinction-section {
    display: block;
  }

  .comparison-table {
    margin-top: 3rem;
  }

  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-row span {
    min-height: 3.2rem;
    padding: .8rem 0;
  }

  .comparison-row span + span {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .comparison-header {
    grid-template-columns: 1fr 1fr;
  }

  .comparison-header span {
    min-height: 2.7rem;
  }

  .comparison-header span + span {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .trace-chain {
    display: grid;
    grid-template-columns: 3.2rem minmax(0, 1fr);
    gap: 1rem 1.3rem;
    margin-top: 4rem;
  }

  .trace-node {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: 3.2rem 1fr;
    column-gap: 1.3rem;
    align-items: center;
    flex: none;
  }

  .trace-symbol {
    grid-row: span 2;
    margin-bottom: 0;
  }

  .trace-node small {
    grid-column: 2;
  }

  .trace-line {
    display: none;
  }

  .about-section {
    display: block;
  }

  .growth-path {
    justify-content: flex-start;
    margin-top: 4rem;
    padding-bottom: 0;
  }

  .partner-list {
    display: block;
    margin-top: 3.5rem;
  }

  .partner-item,
  .partner-item + .partner-item {
    min-height: auto;
    padding: 1.7rem 0;
    border-left: 0;
  }

  .partner-item + .partner-item {
    border-top: 1px solid var(--line-strong);
  }

  .partner-item h3 {
    max-width: none;
    margin: 1rem 0 .8rem;
  }

  .closing-section {
    min-height: 30rem;
    padding-top: 6rem;
    padding-bottom: 6rem;
  }

  .closing-ripple {
    width: 90vw;
  }

  .closing-copy h2 {
    font-size: var(--type-hero);
    white-space: nowrap;
  }

  .footer-inner {
    display: block;
    min-height: auto;
    padding-top: 2.4rem;
    padding-bottom: 2.4rem;
  }

  .footer-meta {
    justify-content: flex-start;
    margin-top: 2rem;
    text-align: left;
  }

  .footer-legal {
    display: block;
    padding-top: 1rem;
  }

  .footer-legal p + p {
    margin-top: .4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}