:root {
  --black: #050505;
  --ink: #0a0a0a;
  --paper: #f5f5f3;
  --white: #ffffff;
  --muted: #9a9a9a;
  --line: rgba(255, 255, 255, 0.16);
  --line-strong: rgba(255, 255, 255, 0.34);
  --paper-line: rgba(5, 5, 5, 0.17);
  --shell: min(1440px, calc(100vw - 64px));
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--black);
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family:
    "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

a {
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding-block: 150px;
}

.progress {
  position: fixed;
  inset: 0 0 auto;
  height: 2px;
  z-index: 100;
  background: rgba(255, 255, 255, 0.08);
}

.progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
}

.topbar {
  position: fixed;
  z-index: 80;
  top: 18px;
  left: 50%;
  width: min(1480px, calc(100vw - 32px));
  height: 54px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 8px 0 18px;
  border: 1px solid var(--line);
  background: rgba(5, 5, 5, 0.86);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.15em;
}

.wordmark-mark {
  width: 13px;
  height: 13px;
  border: 1px solid var(--white);
  box-shadow: inset 4px 0 0 var(--white);
}

.nav-links {
  display: flex;
  gap: 30px;
  color: #a7a7a7;
  font-size: 12px;
}

.nav-links a,
.footer a {
  transition: color 240ms ease;
}

.nav-links a:hover,
.footer a:hover {
  color: var(--white);
}

.nav-cta {
  padding: 11px 14px;
  background: var(--white);
  color: var(--black);
  cursor: pointer;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.nav-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 14px;
}

.language-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #626262;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.06em;
}

.language-option {
  padding: 7px 3px;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: #6d6d6d;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  transition: color 220ms ease, border-color 220ms ease;
}

.language-option:hover,
.language-option.is-active {
  border-bottom-color: var(--white);
  color: var(--white);
}

.hero {
  min-height: 100vh;
  padding-top: 150px;
}

.hero-copy {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1.5fr 0.5fr;
  gap: 80px;
  align-items: end;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  color: #a6a6a6;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.kicker span {
  color: var(--white);
}

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

h1 {
  margin-bottom: 0;
  font-size: clamp(76px, 11vw, 176px);
  font-weight: 540;
  letter-spacing: -0.085em;
  line-height: 0.82;
}

h1 em {
  color: #686868;
  font-style: normal;
  font-weight: 400;
}

.hero-intro {
  max-width: 350px;
  padding-bottom: 8px;
}

.hero-intro p {
  color: #b9b9b9;
  font-size: 15px;
  line-height: 1.85;
}

.text-link,
.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: border-color 240ms ease;
}

.text-link:hover,
.card-link:hover {
  border-color: var(--white);
}

.hero-visuals {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
  min-height: 650px;
  margin-top: 88px;
  isolation: isolate;
}

.image-card {
  position: relative;
  overflow: hidden;
  height: clamp(420px, 52vw, 690px);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: #111;
  transform: translate3d(var(--tx, 0), var(--ty, 0), 0) rotate(var(--rotate, 0deg));
  transform-origin: center;
  transition:
    transform 600ms var(--ease),
    filter 400ms ease,
    box-shadow 500ms var(--ease);
  will-change: transform;
}

.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
  transition: transform 700ms var(--ease), filter 500ms ease;
}

.image-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.72), transparent 42%);
  content: "";
  pointer-events: none;
}

.image-card-subjectivity {
  z-index: 2;
  --rotate: -1.5deg;
}

.image-card-agency {
  z-index: 1;
  width: 112%;
  margin-top: 155px;
  margin-left: -15%;
  --rotate: 2.2deg;
}

.image-card:hover,
.image-card:focus-within {
  z-index: 20;
  transform: translate3d(var(--tx, 0), calc(var(--ty, 0) - 22px), 0) scale(1.055) rotate(0deg);
  box-shadow: 0 36px 100px rgba(0, 0, 0, 0.85);
}

.image-card:hover img {
  transform: scale(1.035);
  filter: grayscale(1) contrast(1.16) brightness(1.08);
}

.image-card-meta {
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 20px;
  left: 22px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
}

.image-card-meta span {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.image-card-meta strong {
  font-size: 13px;
  font-weight: 550;
}

.hero-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 62px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #8c8c8c;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-index {
  display: flex;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  color: #8d8d8d;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.definition-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 100px;
  align-items: end;
  padding-top: 64px;
}

.definition-lead {
  max-width: 820px;
  margin-bottom: 0;
  font-size: clamp(46px, 6.5vw, 100px);
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.definition-body {
  color: #a9a9a9;
  font-size: 15px;
  line-height: 1.85;
}

.definition-rule {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 34px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 8px;
  letter-spacing: 0.09em;
}

.definition-rule i {
  display: block;
  width: 12px;
  height: 1px;
  background: #6c6c6c;
}

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

.section-heading {
  display: grid;
  grid-template-columns: 1fr 0.58fr;
  column-gap: 64px;
  align-items: end;
  margin-bottom: 80px;
}

.section-heading .kicker {
  grid-column: 1 / -1;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(48px, 6.3vw, 94px);
  font-weight: 500;
  letter-spacing: -0.068em;
  line-height: 0.98;
}

.section-heading > p:last-child {
  max-width: 480px;
  margin-bottom: 4px;
  color: #9b9b9b;
  font-size: 14px;
  line-height: 1.8;
}

.diagram-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.diagram-card {
  min-width: 0;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #080808;
  background-size: 32px 32px;
}

.diagram-header,
.diagram-note {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 22px;
}

.diagram-header {
  border-bottom: 1px solid var(--line);
}

.diagram-header span,
.diagram-note {
  color: #777;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.diagram-header h3 {
  margin: 7px 0 0;
  font-size: 14px;
  font-weight: 520;
  letter-spacing: -0.01em;
}

.diagram-number {
  align-self: start;
  color: var(--white) !important;
}

.diagram-note {
  border-top: 1px solid var(--line);
}

.circle-stage,
.flywheel {
  position: relative;
  min-height: 590px;
  overflow: hidden;
}

.circle-stage {
  display: grid;
  place-items: center;
}

.habit-layer {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: 50%;
  cursor: pointer;
  transition:
    border-color 350ms ease,
    background 350ms ease,
    transform 500ms var(--ease);
}

.habit-layer:hover,
.habit-layer:focus-visible {
  z-index: 10;
  outline: none;
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.045);
  transform: scale(1.025);
}

.habit-outcome {
  width: min(78%, 460px);
  aspect-ratio: 1;
}

.habit-process {
  z-index: 2;
  width: min(54%, 318px);
  aspect-ratio: 1;
  background: #090909;
}

.habit-identity {
  z-index: 3;
  width: min(29%, 170px);
  aspect-ratio: 1;
  background: var(--white);
  color: var(--black);
}

.layer-label {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
}

.habit-outcome .layer-label {
  transform: translateY(-184px);
}

.habit-process .layer-label {
  transform: translateY(-111px);
}

.layer-arrow,
.node-arrow {
  position: absolute;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 14px;
  transition: transform 400ms var(--ease), background 240ms ease, color 240ms ease;
}

.habit-outcome .layer-arrow {
  top: 12%;
  right: 15%;
}

.habit-process .layer-arrow {
  right: 4%;
  bottom: 23%;
}

.habit-identity .layer-arrow {
  right: -5px;
  bottom: -5px;
  background: var(--black);
  color: var(--white);
}

.habit-layer:hover .layer-arrow,
.fly-node:hover .node-arrow,
.perspective-row:hover .mini-link {
  transform: rotate(45deg);
}

.circle-axis {
  position: absolute;
  z-index: 1;
  display: block;
  background: rgba(255, 255, 255, 0.09);
  pointer-events: none;
}

.axis-horizontal {
  width: 92%;
  height: 1px;
}

.axis-vertical {
  width: 1px;
  height: 86%;
}

.flywheel {
  isolation: isolate;
}

.orbit {
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit::before {
  position: absolute;
  top: -4px;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--white);
  content: "";
}

.orbit-one {
  width: 420px;
  height: 420px;
  animation: orbit-spin 22s linear infinite;
}

.orbit-two {
  width: 300px;
  height: 300px;
  border-style: dashed;
  animation: orbit-spin-reverse 18s linear infinite;
}

.fly-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: 200px;
  min-height: 150px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  background: #090909;
  cursor: pointer;
  transition:
    border-color 300ms ease,
    transform 500ms var(--ease),
    background 300ms ease;
}

.fly-node:hover,
.fly-node:focus-visible {
  z-index: 10;
  outline: none;
  border-color: var(--white);
  background: #111;
  transform: translateY(-8px);
}

.fly-node strong {
  margin-top: 4px;
  font-size: 21px;
  font-weight: 520;
  letter-spacing: -0.04em;
}

.fly-node small,
.node-seq {
  color: #777;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 8px;
  letter-spacing: 0.08em;
}

.fly-node small {
  margin-top: 8px;
}

.fly-node .node-arrow {
  top: 15px;
  right: 15px;
}

.subjectivity-node {
  top: 50%;
  left: 50%;
  width: 218px;
  min-height: 178px;
  border-color: var(--white);
  background: var(--white);
  color: var(--black);
  transform: translate(-50%, -50%);
}

.subjectivity-node:hover {
  background: var(--white);
  transform: translate(-50%, calc(-50% - 8px));
}

.subjectivity-node .node-arrow {
  background: var(--black);
  color: var(--white);
}

.agency-node {
  top: 8%;
  right: 5%;
}

.system-node {
  bottom: 7%;
  left: 5%;
}

.flow-line {
  position: absolute;
  z-index: -1;
  height: 1px;
  background: rgba(255, 255, 255, 0.38);
  transform-origin: left;
}

.flow-line i {
  position: absolute;
  right: -7px;
  top: -8px;
  color: var(--white);
  font-size: 12px;
  font-style: normal;
}

.flow-one {
  top: 29%;
  left: 48%;
  width: 23%;
  transform: rotate(-24deg);
}

.flow-two {
  top: 61%;
  left: 57%;
  width: 27%;
  transform: rotate(130deg);
}

.flow-three {
  top: 68%;
  left: 31%;
  width: 24%;
  transform: rotate(-55deg);
}

.formation-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 72px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.formation-thesis {
  max-width: 600px;
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 56px);
  letter-spacing: -0.052em;
  line-height: 1.06;
}

.formation-copy > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  color: #9a9a9a;
  font-size: 13px;
  line-height: 1.75;
}

.practice {
  background: var(--paper);
  color: var(--black);
}

.section-heading.compact {
  display: block;
}

.section-heading.compact .kicker {
  color: #666;
}

.section-heading.compact .kicker span {
  color: var(--black);
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--paper-line);
  border-left: 1px solid var(--paper-line);
}

.practice-card {
  min-height: 570px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  border-right: 1px solid var(--paper-line);
  border-bottom: 1px solid var(--paper-line);
  transition: background 350ms ease, color 350ms ease;
}

.practice-card:hover {
  background: var(--black);
  color: var(--white);
}

.practice-number {
  margin-bottom: 118px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 10px;
}

.practice-title span {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.practice-title h3 {
  margin: 10px 0 24px;
  font-size: 38px;
  font-weight: 520;
  letter-spacing: -0.055em;
}

.practice-card p,
.practice-card li {
  font-size: 13px;
  line-height: 1.7;
}

.practice-card p {
  max-width: 330px;
  color: #555;
  transition: color 350ms ease;
}

.practice-card:hover p {
  color: #aaa;
}

.practice-card ul {
  display: grid;
  gap: 8px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid currentColor;
  list-style: none;
}

.practice-card li::before {
  margin-right: 10px;
  content: "↳";
}

.practice-card .card-link {
  margin-top: auto;
  align-self: stretch;
}

.case {
  padding-top: 180px;
}

.case-label {
  display: flex;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.case-label span {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
}

.case-label p {
  margin-bottom: 0;
  color: #888;
  font-size: 12px;
}

.case-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 44px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.case-step {
  position: relative;
  min-height: 330px;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-step::after {
  position: absolute;
  right: -10px;
  bottom: 46px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--black);
  color: #aaa;
  content: "↓";
  font-size: 9px;
}

.case-step span {
  color: #777;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.case-step h3 {
  margin: 140px 0 15px;
  font-size: 24px;
  font-weight: 520;
  letter-spacing: -0.04em;
}

.case-step p {
  max-width: 300px;
  margin-bottom: 0;
  color: #888;
  font-size: 12px;
  line-height: 1.65;
}

.case-answer {
  grid-column: 1 / -1;
  min-height: 380px;
  background: var(--white);
  color: var(--black);
}

.case-answer::after {
  display: none;
}

.case-answer h3 {
  max-width: 850px;
  margin-top: 118px;
  margin-bottom: 20px;
  font-size: clamp(48px, 6.2vw, 92px);
  letter-spacing: -0.07em;
  line-height: 0.98;
}

.case-answer p {
  color: #555;
}

.agency-callout {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.agency-layout {
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: 100px;
}

.agency-question h2 {
  max-width: 900px;
  margin-bottom: 28px;
  font-size: clamp(50px, 7vw, 104px);
  font-weight: 500;
  letter-spacing: -0.072em;
  line-height: 0.95;
}

.giant-question {
  max-width: 800px;
  margin-bottom: 0;
  color: #686868;
  font-size: clamp(28px, 4vw, 62px);
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.agency-actions {
  border-top: 1px solid var(--line);
}

.action-row {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.action-row span {
  grid-row: span 2;
  color: #696969;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9px;
}

.action-row p,
.action-row strong {
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.6;
}

.action-row p {
  color: #777;
}

.action-row strong {
  font-weight: 520;
}

.perspective-list {
  border-top: 1px solid var(--line);
}

.perspective-row {
  position: relative;
  display: grid;
  grid-template-columns: 0.8fr 1.1fr 1.4fr 42px;
  gap: 28px;
  align-items: center;
  min-height: 138px;
  border-bottom: 1px solid var(--line);
  transition: background 300ms ease, padding 450ms var(--ease);
}

.perspective-row:hover {
  padding-inline: 18px;
  background: #0b0b0b;
}

.perspective-row > span {
  color: #757575;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
}

.perspective-row h3,
.perspective-row p {
  margin-bottom: 0;
}

.perspective-row h3 {
  font-size: 20px;
  font-weight: 520;
  letter-spacing: -0.035em;
}

.perspective-row p {
  color: #818181;
  font-size: 12px;
  line-height: 1.6;
}

.mini-link {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: transform 400ms var(--ease), background 240ms ease, color 240ms ease;
}

.mini-link:hover {
  background: var(--white);
  color: var(--black);
}

.closing {
  padding-block: 180px 100px;
}

.closing-label {
  margin-bottom: 40px;
  color: #777;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.closing blockquote {
  max-width: 1240px;
  margin: 0;
  font-size: clamp(58px, 8.5vw, 132px);
  font-weight: 510;
  letter-spacing: -0.078em;
  line-height: 0.96;
}

.closing-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 80px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #757575;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding-block: 22px 36px;
  border-top: 1px solid var(--line);
  color: #707070;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer span:nth-child(2) {
  text-align: center;
}

.footer a {
  justify-self: end;
}

.toast {
  position: fixed;
  z-index: 120;
  right: 24px;
  bottom: 24px;
  display: flex;
  min-width: 320px;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding: 16px;
  border: 1px solid var(--line-strong);
  background: var(--white);
  color: var(--black);
  opacity: 0;
  pointer-events: none;
  transform: translateY(18px);
  transition: opacity 300ms ease, transform 450ms var(--ease);
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-label {
  display: block;
  margin-bottom: 5px;
  color: #666;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 8px;
  letter-spacing: 0.1em;
}

.toast strong {
  font-size: 13px;
  font-weight: 560;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 850ms var(--ease);
}

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

@keyframes orbit-spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes orbit-spin-reverse {
  to {
    transform: translate(-50%, -50%) rotate(-360deg);
  }
}

@media (max-width: 1100px) {
  :root {
    --shell: min(100% - 36px, 940px);
  }

  .nav-links {
    display: none;
  }

  .topbar {
    grid-template-columns: 1fr 1fr;
  }

  .hero-copy,
  .section-heading,
  .definition-grid,
  .formation-copy,
  .agency-layout {
    grid-template-columns: 1fr;
  }

  .hero-intro,
  .section-heading > p:last-child {
    margin-top: 30px;
  }

  .diagram-grid {
    grid-template-columns: 1fr;
  }

  .formation-copy > div {
    max-width: 720px;
  }

  .practice-grid {
    grid-template-columns: 1fr;
  }

  .practice-card {
    min-height: 440px;
  }

  .practice-number {
    margin-bottom: 70px;
  }

  .agency-layout {
    gap: 70px;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: calc(100vw - 28px);
  }

  .section {
    padding-block: 96px;
  }

  .topbar {
    top: 8px;
    width: calc(100vw - 16px);
  }

  .nav-cta {
    width: 34px;
    height: 34px;
    padding: 0;
  }

  .nav-cta [data-i18n] {
    display: none;
  }

  .nav-cta > span:last-child {
    font-size: 12px;
  }

  .nav-actions {
    gap: 9px;
  }

  .language-switch {
    gap: 4px;
    font-size: 8px;
  }

  .hero {
    padding-top: 125px;
  }

  h1 {
    font-size: clamp(64px, 23vw, 100px);
    line-height: 0.88;
  }

  .hero-copy {
    gap: 20px;
  }

  .hero-visuals {
    display: block;
    min-height: 680px;
    margin-top: 58px;
  }

  .image-card {
    height: 410px;
  }

  .image-card-subjectivity {
    width: 88%;
  }

  .image-card-agency {
    width: 88%;
    margin-top: -80px;
    margin-left: 12%;
  }

  .image-card:hover {
    transform: translate3d(0, -10px, 0) scale(1.025) rotate(0);
  }

  .image-card-meta {
    display: block;
  }

  .image-card-meta strong {
    display: block;
    margin-top: 6px;
  }

  .hero-footer {
    display: grid;
    gap: 8px;
  }

  .definition-grid {
    gap: 40px;
  }

  .definition-lead {
    font-size: 48px;
  }

  .definition-rule {
    flex-wrap: wrap;
  }

  .section-heading {
    margin-bottom: 50px;
  }

  .section-heading h2 {
    font-size: 50px;
  }

  .circle-stage,
  .flywheel {
    min-height: 440px;
  }

  .habit-outcome .layer-label {
    transform: translateY(-134px);
  }

  .habit-process .layer-label {
    transform: translateY(-76px);
  }

  .orbit-one {
    width: 310px;
    height: 310px;
  }

  .orbit-two {
    width: 220px;
    height: 220px;
  }

  .fly-node {
    width: 145px;
    min-height: 122px;
    padding: 12px;
  }

  .fly-node strong {
    font-size: 15px;
  }

  .fly-node small {
    max-width: 100px;
    font-size: 7px;
  }

  .subjectivity-node {
    width: 160px;
    min-height: 142px;
  }

  .agency-node {
    top: 4%;
    right: 1%;
  }

  .system-node {
    bottom: 4%;
    left: 1%;
  }

  .node-arrow {
    width: 25px;
    height: 25px;
  }

  .formation-copy,
  .formation-copy > div {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .case-flow {
    grid-template-columns: 1fr;
  }

  .case-answer {
    grid-column: auto;
  }

  .case-step {
    min-height: 270px;
  }

  .case-step h3 {
    margin-top: 95px;
  }

  .case-step::after {
    right: 18px;
    bottom: -10px;
  }

  .case-answer h3 {
    font-size: 48px;
  }

  .perspective-row {
    grid-template-columns: 1fr 40px;
    gap: 12px 18px;
    padding-block: 24px;
  }

  .perspective-row > span,
  .perspective-row p {
    grid-column: 1;
  }

  .perspective-row .mini-link {
    grid-column: 2;
    grid-row: 1 / span 3;
  }

  .closing blockquote {
    font-size: 54px;
  }

  .footer {
    grid-template-columns: 1fr auto;
    gap: 12px;
  }

  .footer span:nth-child(2) {
    display: none;
  }

  .toast {
    right: 12px;
    bottom: 12px;
    left: 12px;
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}