@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/ibm-plex-mono-400-latin.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("assets/fonts/ibm-plex-mono-500-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("assets/fonts/manrope-400-700-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("assets/fonts/newsreader-500-latin.woff2") format("woff2");
}

:root {
  --void: #040403;
  --lacquer: #090806;
  --carbon: #13110d;
  --ivory: #f1eadc;
  --parchment: #c9bea9;
  --gold: #c6a568;
  --gold-pale: #e1c98f;
  --gold-deep: #725a31;
  --ash: #85857f;
  --line: rgba(218, 194, 143, 0.18);
  --line-soft: rgba(218, 194, 143, 0.09);
  --header-height: 76px;
  --shell: 1460px;
  --gutter: 48px;
  --cursor-x: 70vw;
  --cursor-y: 28vh;
  --field-shift: 0px;
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  background: var(--void);
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

html.smooth-scroll-active {
  scroll-behavior: auto !important;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: transparent;
  color: var(--ivory);
  font-family: "Manrope", sans-serif;
  font-size: 16px;
  line-height: 1.68;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.is-menu-open {
  overflow: hidden;
}

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

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

button {
  color: inherit;
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul,
ol {
  padding: 0;
}

button,
summary,
a[href] {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--gold-pale);
  outline-offset: 5px;
}

::selection {
  background: var(--gold);
  color: var(--void);
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  transform: translateY(-160%);
  padding: 12px 16px;
  background: var(--ivory);
  color: var(--void);
  border-radius: 2px;
  transition: transform 180ms ease-out;
}

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

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

.world {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: var(--void);
}

.world__scene {
  position: absolute;
  inset: -3%;
  opacity: 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  filter: brightness(0.34) contrast(1.15) saturate(0.78);
  transform: translate3d(0, var(--field-shift), 0) scale(1.035);
  transition: opacity 1100ms ease, filter 1100ms ease;
  will-change: opacity, transform;
}

.world__scene--diagnosis {
  background-image: url("assets/ambient-hero-field-1920.webp");
}

.world__scene--calibration {
  background-image: url("assets/ambient-process-field-1920.webp");
}

.world__scene--evidence {
  background-image: url("assets/ambient-proof-field-1920.webp");
}

body[data-scene="diagnosis"] .world__scene--diagnosis,
body[data-scene="calibration"] .world__scene--calibration,
body[data-scene="evidence"] .world__scene--evidence {
  opacity: 0.42;
}

body[data-scene="calibration"] .world__scene--calibration {
  opacity: 0.36;
  filter: brightness(0.3) contrast(1.2) saturate(0.72);
}

.world__field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.72;
  mix-blend-mode: screen;
}

.world__light {
  position: absolute;
  inset: 0;
  opacity: 0.74;
  background: radial-gradient(circle 330px at var(--cursor-x) var(--cursor-y), rgba(242, 230, 203, 0.13), rgba(198, 165, 104, 0.045) 42%, transparent 74%);
  mix-blend-mode: screen;
  filter: blur(18px);
}

.world__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 4, 3, 0.62), rgba(4, 4, 3, 0.18) 48%, rgba(4, 4, 3, 0.55)),
    linear-gradient(180deg, rgba(4, 4, 3, 0.08), rgba(4, 4, 3, 0.5) 72%, rgba(4, 4, 3, 0.78));
}

main,
.site-footer {
  position: relative;
  z-index: 1;
}

.section {
  position: relative;
  padding: 164px 0;
  border-top: 1px solid var(--line-soft);
}

.eyebrow,
.chapter-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--gold-pale);
}

.chapter-label {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--ash);
}

.chapter-label span {
  color: var(--gold-pale);
}

h1,
h2,
h3,
blockquote {
  font-family: "Newsreader", serif;
  font-weight: 500;
  letter-spacing: 0;
}

h2 {
  max-width: 1040px;
  font-size: 68px;
  line-height: 0.98;
}

.button {
  position: relative;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 24px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  transition: transform 220ms var(--ease-out), border-color 220ms ease, background-position 520ms var(--ease-out), box-shadow 220ms ease;
  touch-action: manipulation;
}

.button > span {
  display: inline-block;
  font-size: 16px;
  line-height: 1;
  transition: transform 260ms var(--ease-out);
}

.button:hover {
  transform: translateY(-2px);
}

.button:hover > span {
  transform: translateX(4px);
}

.button:active {
  transform: translateY(0) scale(0.985);
}

.button--primary {
  color: #130e07;
  border-color: rgba(247, 224, 163, 0.76);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.03) 48%, rgba(87, 55, 12, 0.13) 100%),
    linear-gradient(112deg, #a97831 0%, #d1aa5c 28%, #f0d99a 51%, #c08f42 76%, #9d6b29 100%);
  background-size: 100% 100%, 180% 100%;
  background-position: center, 0 0;
  text-shadow: 0 1px 0 rgba(255, 246, 214, 0.32);
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 220, 0.68),
    inset 0 -1px 0 rgba(75, 47, 10, 0.3),
    0 14px 38px rgba(184, 132, 48, 0.2);
}

.button--primary::before {
  content: "";
  position: absolute;
  top: -70%;
  bottom: -70%;
  left: -48%;
  width: 28%;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 250, 228, 0.46), transparent);
  transform: skewX(-18deg) translateX(-240%);
  transition: transform 720ms var(--ease-out);
}

.button--primary:hover {
  border-color: rgba(255, 237, 190, 0.96);
  background-position: center, 100% 0;
  box-shadow:
    inset 0 1px 0 rgba(255, 252, 235, 0.82),
    inset 0 -1px 0 rgba(75, 47, 10, 0.24),
    0 18px 50px rgba(196, 144, 55, 0.3),
    0 0 24px rgba(225, 193, 121, 0.1);
}

.button--primary:hover::before {
  transform: skewX(-18deg) translateX(690%);
}

.button--wide {
  width: 100%;
}

.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--ivory);
  font-size: 13px;
  font-weight: 600;
  border-bottom: 1px solid rgba(225, 201, 143, 0.4);
  transition: color 180ms ease, border-color 180ms ease, gap 220ms var(--ease-out);
}

.text-link:hover {
  gap: 20px;
  color: var(--gold-pale);
  border-color: var(--gold-pale);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(4, 4, 3, 0.25);
  border-bottom: 1px solid rgba(225, 201, 143, 0.08);
  transition: height 280ms var(--ease-out), background-color 280ms ease, backdrop-filter 280ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  height: 68px;
  background: rgba(4, 4, 3, 0.86);
  -webkit-backdrop-filter: blur(20px) saturate(1.1);
  backdrop-filter: blur(20px) saturate(1.1);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.site-header__signal {
  position: absolute;
  right: 0;
  bottom: -1px;
  width: 22%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(225, 201, 143, 0.86), transparent);
  opacity: 0;
  transform: translateX(-360%);
}

.site-header.is-scrolled .site-header__signal {
  opacity: 0.7;
  animation: headerSignal 7s ease-in-out infinite;
}

@keyframes headerSignal {
  0%, 18% { transform: translateX(-360%); opacity: 0; }
  36%, 70% { opacity: 0.7; }
  88%, 100% { transform: translateX(460%); opacity: 0; }
}

.brand {
  width: 238px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.site-nav > a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--parchment);
  font-size: 12px;
  font-weight: 600;
  transition: color 180ms ease;
}

.site-nav > a:hover {
  color: var(--ivory);
}

.site-nav > a[aria-current="page"] {
  color: var(--gold-pale);
}

.site-nav .header-cta {
  min-height: 40px;
  gap: 12px;
  padding: 0 17px;
  color: var(--gold-pale);
  border: 1px solid rgba(225, 201, 143, 0.42);
  border-radius: 2px;
}

.site-nav .header-cta:hover {
  color: var(--void);
  background: var(--gold-pale);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 0;
  background: transparent;
}

.menu-toggle > span:not(.sr-only) {
  position: absolute;
  left: 11px;
  width: 24px;
  height: 1px;
  background: var(--ivory);
  transition: transform 240ms ease, top 240ms ease;
}

.menu-toggle > span:first-child {
  top: 18px;
}

.menu-toggle > span:nth-child(2) {
  top: 27px;
}

.site-header.is-open .menu-toggle > span:first-child {
  top: 23px;
  transform: rotate(45deg);
}

.site-header.is-open .menu-toggle > span:nth-child(2) {
  top: 23px;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  height: 92svh;
  min-height: 760px;
  overflow: hidden;
  border-bottom: 1px solid rgba(225, 201, 143, 0.15);
  background: var(--void);
}

.hero__picture,
.hero__picture img,
.hero__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__picture img {
  object-fit: cover;
  object-position: center;
  transform: translate3d(0, var(--hero-image-y, 0), 0) scale(1.025);
  filter: brightness(0.82) contrast(1.06) saturate(0.7);
  will-change: transform;
}

.hero__shade {
  background:
    linear-gradient(90deg, rgba(4, 4, 3, 0.96) 0%, rgba(4, 4, 3, 0.78) 34%, rgba(4, 4, 3, 0.18) 67%, rgba(4, 4, 3, 0.2) 100%),
    linear-gradient(180deg, rgba(4, 4, 3, 0.2), rgba(4, 4, 3, 0.08) 56%, rgba(4, 4, 3, 0.88) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: calc(var(--header-height) + 108px);
  padding-bottom: 40px;
}

.hero__copy {
  width: 840px;
  max-width: 62%;
}

.hero__eyebrow {
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 88px;
  line-height: 0.91;
}

.hero h1 span,
.hero h1 em {
  display: block;
}

.hero h1 em {
  color: var(--gold-pale);
  font-style: normal;
}

.hero__lead {
  max-width: 660px;
  margin-top: 32px;
  color: #ddd5c6;
  font-size: 20px;
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 38px;
}

.hero__foot {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr;
  align-items: end;
  gap: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(225, 201, 143, 0.18);
}

.hero__foot > p {
  max-width: 520px;
  color: var(--parchment);
  font-size: 13px;
  line-height: 1.6;
}

.hero__foot ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  list-style: none;
}

.hero__foot li {
  position: relative;
  padding-left: 16px;
  color: #d6cebf;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  line-height: 1.5;
  text-transform: uppercase;
}

.hero__foot li::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 5px;
  height: 5px;
  border: 1px solid var(--gold);
}

html.js body:not(.is-ready) [data-hero-item] {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(10px);
}

[data-hero-item] {
  transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out), filter 900ms var(--ease-out);
}

[data-hero-item]:nth-child(2) {
  transition-delay: 90ms;
}

[data-hero-item]:nth-child(3) {
  transition-delay: 170ms;
}

[data-hero-item]:nth-child(4) {
  transition-delay: 240ms;
}

.hero__foot[data-hero-item] {
  transition-delay: 330ms;
}

.js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 28px, 0);
  filter: blur(10px);
  transition: opacity 760ms var(--ease-out), transform 760ms var(--ease-out), filter 760ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  filter: blur(0);
}

.diagnosis {
  background: rgba(4, 4, 3, 0.46);
}

.diagnosis__intro {
  display: grid;
  grid-template-columns: 1.28fr 0.72fr;
  gap: 64px;
  align-items: end;
}

.diagnosis__intro .chapter-label {
  grid-column: 1 / -1;
}

.diagnosis__intro h2 {
  max-width: 760px;
}

.diagnosis__intro > p:last-child {
  max-width: 590px;
  padding-bottom: 6px;
  color: var(--parchment);
  font-size: 18px;
}

.system-equation {
  display: grid;
  grid-template-columns: 1fr 34px 1fr 34px 1fr 34px 1fr;
  gap: 12px;
  align-items: stretch;
  margin-top: 118px;
  padding: 32px 0 36px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.system-term {
  min-width: 0;
  padding: 4px 12px 4px 0;
  color: var(--ash);
  transition: color 420ms ease, transform 420ms var(--ease-out);
}

.system-term.is-active {
  color: var(--ivory);
  transform: translateY(-4px);
}

.system-term__index {
  color: var(--gold);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
}

.system-term__name {
  margin-top: 38px;
  font-family: "Newsreader", serif;
  font-size: 36px;
  line-height: 1;
}

.system-term__meaning {
  max-width: 230px;
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.6;
}

.system-equation__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-deep);
  font-family: "IBM Plex Mono", monospace;
}

.ceiling-ledger {
  margin-top: 180px;
}

.ceiling-ledger__label {
  margin-bottom: 42px;
  color: var(--gold-pale);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.ceiling-row {
  display: grid;
  grid-template-columns: 72px 1.25fr 0.75fr;
  gap: 42px;
  align-items: center;
  min-height: 128px;
  border-top: 1px solid var(--line-soft);
}

.ceiling-row:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.ceiling-row > span {
  color: var(--gold-deep);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
}

.ceiling-row h3 {
  font-size: 34px;
  line-height: 1.08;
}

.ceiling-row p {
  color: var(--ash);
  font-size: 14px;
  line-height: 1.6;
}

.calibration {
  position: relative;
  padding: 150px 0;
  overflow: clip;
  background: rgba(4, 4, 3, 0.82);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.calibration__sticky {
  position: relative;
}

.calibration__wash {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 4, 3, 0.2), rgba(4, 4, 3, 0.72) 52%, rgba(4, 4, 3, 0.96));
}

.calibration__stage {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(520px, 1.22fr);
  gap: 9%;
  align-items: center;
}

.calibration__media {
  position: relative;
  width: min(100%, 500px);
  aspect-ratio: 9 / 16;
  justify-self: center;
  overflow: hidden;
  background: #020202;
  border: 1px solid rgba(225, 201, 143, 0.28);
  box-shadow: 0 42px 100px rgba(0, 0, 0, 0.52), 0 0 80px rgba(198, 165, 104, 0.05);
}

.calibration__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(4, 4, 3, 0.16), transparent 18%, transparent 74%, rgba(4, 4, 3, 0.68));
}

.calibration__frame {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.76) contrast(1.08) saturate(0.72);
}

.calibration__media-head,
.calibration__readout {
  position: absolute;
  z-index: 3;
  right: 18px;
  left: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: rgba(241, 234, 220, 0.7);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
}

.calibration__media-head {
  top: 16px;
}

.calibration__readout {
  bottom: 16px;
}

.calibration__copy {
  position: relative;
}

.calibration__heading h2 {
  max-width: 680px;
  margin-top: 20px;
  font-size: 64px;
}

.calibration__heading > p:last-child {
  max-width: 560px;
  margin-top: 20px;
  color: var(--parchment);
  font-size: 16px;
}

.calibration__steps {
  display: grid;
  gap: 54px;
  margin-top: 74px;
  list-style: none;
}

.calibration-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
}

.calibration-step > span {
  padding-top: 8px;
  color: var(--gold);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
}

.calibration-step h3 {
  font-size: 42px;
  line-height: 1.03;
}

.calibration-step p {
  max-width: 610px;
  margin-top: 18px;
  color: var(--parchment);
  font-size: 15px;
}

.js .calibration {
  height: 720vh;
  padding: 0;
}

.js .calibration__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
}

.js .calibration__stage {
  min-height: 100svh;
  padding-top: calc(var(--header-height) + 30px);
  padding-bottom: 30px;
  opacity: var(--calibration-stage-opacity, 1);
  transition: opacity 120ms linear;
}

.js .calibration__media {
  height: min(76svh, 820px);
  width: auto;
  max-width: 100%;
}

.js .calibration__copy {
  align-self: stretch;
  min-height: 0;
}

.js .calibration__heading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.js .calibration__steps {
  position: absolute;
  top: 214px;
  right: 0;
  bottom: 0;
  left: 0;
  height: auto;
  margin: 0;
}

.js .calibration-step {
  position: absolute;
  top: 44%;
  left: 0;
  width: 100%;
  opacity: var(--step-opacity, 0.12);
  transform: translate3d(0, var(--step-y, 220px), 0) scale(var(--step-scale, 0.96));
  filter: blur(var(--step-blur, 8px));
  will-change: transform, opacity, filter;
  transition: color 220ms ease;
}

.js .calibration-step:not(.is-active) {
  color: #68645d;
}

.layers {
  background: rgba(7, 6, 4, 0.58);
}

.layers__intro {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 72px;
  align-items: end;
}

.layers__intro .chapter-label {
  grid-column: 1 / -1;
}

.layers__intro h2 {
  max-width: 840px;
}

.layers__intro > p:last-child {
  max-width: 520px;
  padding-bottom: 6px;
  color: var(--parchment);
  font-size: 17px;
}

.layers__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
  gap: 72px;
  align-items: stretch;
  margin-top: 98px;
}

.layers__visual {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  background: var(--lacquer);
  border: 1px solid var(--line);
  border-radius: 3px;
}

.layers__visual picture,
.layers__visual img {
  width: 100%;
  height: 100%;
}

.layers__visual img {
  object-fit: cover;
  object-position: center;
  filter: brightness(0.65) contrast(1.08) saturate(0.78);
  transform: scale(1.02);
  transition: filter 600ms ease, transform 900ms var(--ease-out);
}

.layers__visual:hover img {
  transform: scale(1.035);
}

.layers__focus {
  position: absolute;
  inset: 0;
  opacity: 0.82;
  background: radial-gradient(circle 200px at 60% var(--layer-focus-y, 25%), rgba(225, 201, 143, 0.2), rgba(198, 165, 104, 0.04) 48%, transparent 75%);
  mix-blend-mode: screen;
  transition: background-position 500ms var(--ease-out);
  pointer-events: none;
}

.layers[data-active-layer="emotional"] {
  --layer-focus-y: 50%;
}

.layers[data-active-layer="nervous"] {
  --layer-focus-y: 69%;
}

.layers__visual figcaption {
  position: absolute;
  right: 22px;
  bottom: 18px;
  left: 22px;
  color: rgba(241, 234, 220, 0.56);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
}

.layer-controls {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--line-soft);
}

.layer-control {
  flex: 1;
  min-height: 170px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 28px 0;
  text-align: left;
  background: transparent;
  border: 0;
  border-left: 1px solid transparent;
  border-top: 1px solid var(--line-soft);
  transition: color 260ms ease, padding-left 360ms var(--ease-out), background-color 260ms ease;
}

.layer-control:hover,
.layer-control.is-active {
  padding-left: 22px;
  background: transparent;
  border-left-color: rgba(225, 201, 143, 0.44);
}

.layer-control > span {
  color: var(--gold);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.layer-control strong {
  display: block;
  margin-top: 13px;
  font-family: "Newsreader", serif;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.08;
}

.layer-control p {
  max-width: 440px;
  margin-top: 12px;
  color: var(--ash);
  font-size: 13px;
  line-height: 1.6;
}

.layer-control.is-active p {
  color: var(--parchment);
}

.model-note {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 42px;
  margin-top: 68px;
  padding-top: 30px;
  border-top: 1px solid var(--line-soft);
}

.model-note span {
  color: var(--gold-pale);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.model-note p {
  max-width: 920px;
  color: var(--parchment);
  font-size: 14px;
}

.translation {
  padding-top: 190px;
  padding-bottom: 190px;
  background: rgba(17, 15, 11, 0.78);
}

.translation__grid {
  display: grid;
  grid-template-columns: 0.84fr 1.16fr;
  gap: 110px;
}

.translation__intro {
  position: sticky;
  top: 118px;
  align-self: start;
}

.translation__intro h2 {
  margin-top: 36px;
  font-size: 58px;
  line-height: 1;
}

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

.translation-row {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-top: 1px solid var(--line);
}

.translation-row > p {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr);
  gap: 18px;
  align-items: baseline;
  font-family: "Newsreader", serif;
  font-size: 42px;
  line-height: 1;
}

.translation-row > p span {
  color: var(--ash);
}

.translation-row > p b {
  color: var(--gold-deep);
  font-family: "IBM Plex Mono", monospace;
  font-size: 15px;
  font-weight: 400;
}

.translation-row > p strong {
  color: var(--gold-pale);
  font-weight: 500;
}

.translation-row > div {
  max-width: 660px;
  margin-top: 26px;
  color: var(--parchment);
  font-size: 14px;
}

.proof {
  background: rgba(4, 4, 3, 0.6);
}

.proof__heading {
  max-width: 1180px;
  text-align: center;
}

.proof__heading .chapter-label {
  justify-content: center;
}

.proof__heading h2 {
  margin: 34px auto 0;
}

.proof__heading > p:last-child {
  max-width: 720px;
  margin: 26px auto 0;
  color: var(--parchment);
  font-size: 17px;
}

.proof__layout {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 78px;
  align-items: stretch;
  margin-top: 110px;
}

.case-study {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 530px;
  padding: 46px 0 40px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-study__label {
  color: var(--gold);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.case-study > p {
  max-width: 900px;
  padding: 60px 0;
  color: var(--ivory);
  font-size: 54px;
  line-height: 1.02;
}

.case-study footer {
  color: var(--ash);
  font-family: "Manrope", sans-serif;
  font-size: 11px;
}

.proof__context {
  display: flex;
  flex-direction: column;
  padding: 46px 0 40px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof__context-label {
  color: var(--gold);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.proof__context > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 26px;
  align-items: center;
  padding: 42px 0;
  border-bottom: 1px solid var(--line-soft);
}

.proof__context strong {
  color: var(--gold-pale);
  font-family: "Newsreader", serif;
  font-size: 48px;
  font-weight: 500;
  line-height: 1;
}

.proof__context span {
  color: var(--parchment);
  font-size: 13px;
  line-height: 1.55;
}

.proof__fineprint {
  margin-top: auto;
  padding-top: 34px;
  color: #a29e95;
  font-size: 11px;
  line-height: 1.65;
}

.no-guarantee {
  display: grid;
  grid-template-columns: 0.4fr 0.65fr 1fr;
  gap: 54px;
  align-items: center;
  margin-top: 130px;
  padding: 50px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.no-guarantee > p:first-child {
  color: var(--gold);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.no-guarantee h3 {
  font-size: 48px;
  line-height: 1;
}

.no-guarantee > p:last-child {
  color: var(--parchment);
  font-size: 14px;
}

.access {
  background: rgba(7, 6, 4, 0.68);
}

.access__intro {
  display: grid;
  grid-template-columns: 1.28fr 0.72fr;
  gap: 68px;
  align-items: end;
}

.access__intro .chapter-label {
  grid-column: 1 / -1;
}

.access__intro h2 {
  max-width: 700px;
}

.access__intro > p:last-child {
  max-width: 560px;
  padding-bottom: 7px;
  color: var(--parchment);
  font-size: 16px;
}

.access-list {
  margin-top: 98px;
  border-bottom: 1px solid var(--line);
}

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

.access-trigger {
  width: 100%;
  min-height: 112px;
  display: grid;
  grid-template-columns: 72px 1fr 0.7fr 44px;
  gap: 28px;
  align-items: center;
  padding: 0;
  text-align: left;
  background: transparent;
  border: 0;
  transition: background-color 220ms ease;
}

.access-trigger:hover {
  background: rgba(225, 201, 143, 0.025);
}

.access-trigger > span {
  color: var(--gold-deep);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
}

.access-trigger > strong {
  font-family: "Newsreader", serif;
  font-size: 34px;
  font-weight: 500;
  line-height: 1.05;
}

.access-trigger > small {
  color: var(--ash);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.access-trigger > b {
  color: var(--gold);
  font-family: "IBM Plex Mono", monospace;
  font-size: 20px;
  font-weight: 400;
  text-align: center;
}

.access-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 74px;
  align-items: center;
  padding: 16px 0 72px 100px;
  transform-origin: top center;
}

.access-panel[hidden] {
  display: none;
}

.access-panel > img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: brightness(1.05) contrast(1.02) saturate(0.78);
  border: 1px solid rgba(225, 201, 143, 0.2);
  border-radius: 3px;
}

.access-panel h3 {
  max-width: 560px;
  margin-top: 20px;
  font-size: 44px;
  line-height: 1.02;
}

.access-panel div > p:not(.eyebrow) {
  max-width: 580px;
  margin-top: 24px;
  color: var(--parchment);
  font-size: 15px;
}

.access-panel ul {
  margin: 28px 0 30px;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.access-panel li {
  position: relative;
  padding: 11px 0 11px 18px;
  color: #d6cebf;
  font-size: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.access-panel li::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 0;
  width: 5px;
  height: 5px;
  border: 1px solid var(--gold);
}

.founder {
  padding-top: 186px;
  padding-bottom: 186px;
  background: rgba(4, 4, 3, 0.46);
}

.founder__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(420px, 0.85fr);
  gap: 94px;
  align-items: center;
}

.founder__visual {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
}

.founder__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 4, 3, 0.48), transparent 42%), linear-gradient(180deg, transparent 62%, rgba(4, 4, 3, 0.38));
  pointer-events: none;
}

.founder__visual picture {
  position: absolute;
  inset: 0;
  display: block;
}

.founder__visual picture,
.founder__visual img {
  width: 100%;
  height: 100%;
}

.founder__visual img {
  display: block;
  object-fit: cover;
  object-position: right center;
  filter: brightness(0.72) contrast(1.08) saturate(0.7);
  transition: transform 900ms var(--ease-out), filter 500ms ease;
}

.founder__visual:hover img {
  transform: scale(1.025);
  filter: brightness(0.8) contrast(1.08) saturate(0.74);
}

.founder__copy h2 {
  max-width: 680px;
  margin-top: 36px;
  font-size: 60px;
}

.founder__copy > p:not(.chapter-label) {
  max-width: 650px;
  margin-top: 26px;
  color: var(--parchment);
  font-size: 16px;
}

.founder__principles {
  display: flex;
  flex-direction: column;
  margin-top: 42px;
  border-bottom: 1px solid var(--line-soft);
}

.founder__principles span {
  padding: 14px 0;
  color: #d8d0c1;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  border-top: 1px solid var(--line-soft);
}

.founder__copy > .text-link {
  margin-top: 28px;
}

.questions {
  background: rgba(9, 8, 6, 0.78);
}

.questions__layout {
  display: grid;
  grid-template-columns: minmax(380px, 0.75fr) minmax(0, 1.25fr);
  gap: 110px;
}

.questions__intro {
  position: sticky;
  top: 118px;
  align-self: start;
}

.questions__intro h2 {
  max-width: 600px;
  margin-top: 36px;
  font-size: 58px;
}

.questions__intro > p:last-child {
  margin-top: 24px;
  color: var(--parchment);
}

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

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

.faq summary {
  min-height: 92px;
  display: grid;
  grid-template-columns: 1fr 34px;
  gap: 24px;
  align-items: center;
  list-style: none;
  font-family: "Newsreader", serif;
  font-size: 27px;
  line-height: 1.15;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary span {
  color: var(--gold);
  font-family: "IBM Plex Mono", monospace;
  font-size: 18px;
  text-align: center;
  transition: transform 220ms ease;
}

.faq details[open] summary span {
  transform: rotate(45deg);
}

.faq details p {
  max-width: 760px;
  padding: 0 56px 38px 0;
  color: var(--parchment);
  font-size: 14px;
}

.booking {
  position: relative;
  min-height: 900px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.booking__backdrop {
  position: absolute;
  inset: -4%;
  opacity: 0.6;
  background: url("assets/ambient-proof-field-1920.webp") center / cover no-repeat;
  filter: brightness(0.48) contrast(1.16) saturate(0.75);
  transform: scale(1.05);
}

.booking::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 4, 3, 0.92), rgba(4, 4, 3, 0.62) 52%, rgba(4, 4, 3, 0.86)), linear-gradient(180deg, rgba(4, 4, 3, 0.3), rgba(4, 4, 3, 0.78));
}

.booking__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(390px, 0.8fr);
  gap: 120px;
  align-items: center;
  padding: 150px 0;
}

.booking__copy h2 {
  max-width: 880px;
  margin-top: 38px;
  font-size: 72px;
}

.booking__copy > p:last-child {
  max-width: 720px;
  margin-top: 30px;
  color: var(--parchment);
  font-size: 17px;
}

.booking__action {
  padding: 36px 0 0;
  border-top: 1px solid var(--line);
}

.booking__action dl {
  margin-bottom: 36px;
}

.booking__action dl > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.booking__action dt,
.booking__action dd {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.booking__action dt {
  color: var(--gold);
}

.booking__action dd {
  color: var(--parchment);
}

.booking__action > p {
  margin-top: 20px;
  color: var(--ash);
  font-size: 11px;
  text-align: center;
}

.site-footer {
  padding: 48px 0;
  background: #020202;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 42px;
  align-items: center;
}

.brand--footer {
  width: 210px;
}

.site-footer p {
  color: var(--gold);
  font-family: "Newsreader", serif;
  font-size: 18px;
}

.site-footer__inner > div {
  display: flex;
  justify-content: flex-end;
  gap: 28px;
}

.site-footer__inner > div a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--ash);
  font-size: 11px;
  transition: color 180ms ease;
}

.site-footer__inner > div a:hover {
  color: var(--ivory);
}

.site-footer__meta {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  align-items: flex-start;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.site-footer__meta > p {
  max-width: 560px;
  color: #8f8b83;
  font-family: "Manrope", sans-serif;
  font-size: 10px;
  line-height: 1.65;
}

.site-footer__meta nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 22px;
}

.site-footer__meta a,
.site-footer__meta span {
  color: #8f8b83;
  font-size: 10px;
  line-height: 1.65;
}

.site-footer__meta a {
  transition: color 180ms ease;
}

.site-footer__meta a:hover {
  color: var(--ivory);
}

@media (min-width: 821px) and (max-height: 820px) {
  .hero {
    height: 94svh;
    min-height: 680px;
  }

  .hero__inner {
    padding-top: 118px;
    padding-bottom: 22px;
  }

  .hero__copy {
    width: 760px;
    max-width: 62%;
  }

  .hero__eyebrow {
    margin-bottom: 16px;
  }

  .hero h1 {
    font-size: 68px;
    line-height: 0.92;
  }

  .hero__lead {
    margin-top: 22px;
    font-size: 17px;
    line-height: 1.5;
  }

  .hero__actions {
    margin-top: 24px;
  }

  .hero__foot {
    padding-top: 14px;
  }

  .button {
    min-height: 46px;
  }

  .calibration__heading h2 {
    font-size: 52px;
  }

  .calibration__heading > p:last-child {
    margin-top: 14px;
  }

  .js .calibration__steps {
    top: 190px;
  }
}

@media (max-width: 1240px) {
  :root {
    --gutter: 34px;
  }

  .hero h1 {
    font-size: 76px;
  }

  h2 {
    font-size: 60px;
  }

  .calibration__stage {
    grid-template-columns: minmax(280px, 0.72fr) minmax(480px, 1.28fr);
    gap: 7%;
  }

  .js .calibration__media {
    height: min(78svh, 790px);
  }

  .calibration__heading h2 {
    font-size: 56px;
  }

  .calibration-step h3 {
    font-size: 38px;
  }

  .layers__layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
    gap: 48px;
  }

  .proof__layout,
  .founder__layout {
    gap: 58px;
  }

  .case-study > p {
    font-size: 46px;
  }

  .booking__inner {
    gap: 72px;
  }
}

@media (max-width: 1020px) {
  :root {
    --header-height: 68px;
  }

  .site-nav {
    gap: 22px;
  }

  .brand {
    width: 208px;
  }

  .hero__copy {
    max-width: 64%;
  }

  .hero h1 {
    font-size: 66px;
  }

  .hero__lead {
    font-size: 18px;
  }

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

  .hero__foot ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .diagnosis__intro,
  .layers__intro,
  .access__intro {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .system-equation {
    grid-template-columns: 1fr 24px 1fr 24px 1fr 24px 1fr;
  }

  .system-term__name {
    font-size: 30px;
  }

  .ceiling-row {
    grid-template-columns: 54px 1fr;
  }

  .ceiling-row p {
    grid-column: 2;
    padding-bottom: 26px;
  }

  .calibration__stage {
    grid-template-columns: minmax(260px, 0.7fr) minmax(420px, 1.3fr);
    gap: 6%;
  }

  .js .calibration__steps {
    margin-top: 200px;
  }

  .layers__layout,
  .translation__grid,
  .proof__layout,
  .founder__layout,
  .questions__layout,
  .booking__inner {
    grid-template-columns: 1fr;
  }

  .layers__visual {
    min-height: 560px;
  }

  .translation__grid,
  .questions__layout {
    gap: 72px;
  }

  .translation__intro,
  .questions__intro {
    position: static;
  }

  .translation__intro h2,
  .questions__intro h2 {
    max-width: 820px;
  }

  .proof__context {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 32px;
  }

  .proof__context-label,
  .proof__fineprint {
    grid-column: 1 / -1;
  }

  .no-guarantee {
    grid-template-columns: 0.4fr 0.8fr;
  }

  .no-guarantee > p:last-child {
    grid-column: 1 / -1;
  }

  .access-panel {
    padding-left: 72px;
  }

  .founder__visual {
    min-height: 520px;
  }

  .booking__inner {
    max-width: 900px;
    gap: 70px;
  }

  .booking__action {
    max-width: 600px;
  }
}

@media (max-width: 820px) {
  :root {
    --gutter: 24px;
  }

  body {
    font-size: 16px;
  }

  .section {
    padding: 118px 0;
  }

  h2 {
    font-size: 48px;
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    padding: 100px 34px 48px;
    background: rgba(4, 4, 3, 0.98);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-18px);
    transition: opacity 240ms ease, visibility 240ms ease, transform 320ms var(--ease-out);
  }

  .site-header .brand {
    position: relative;
    z-index: 2;
  }

  .site-header.is-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav > a,
  .site-nav .header-cta {
    min-height: 64px;
    justify-content: space-between;
    padding: 0;
    color: var(--ivory);
    font-family: "Newsreader", serif;
    font-size: 34px;
    font-weight: 500;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .site-nav .header-cta:hover {
    color: var(--gold-pale);
    background: transparent;
  }

  .hero {
    min-height: 96svh;
  }

  .hero__picture img {
    object-position: 62% center;
  }

  .hero__shade {
    background:
      linear-gradient(90deg, rgba(4, 4, 3, 0.93), rgba(4, 4, 3, 0.45) 76%, rgba(4, 4, 3, 0.24)),
      linear-gradient(180deg, rgba(4, 4, 3, 0.18), rgba(4, 4, 3, 0.35) 56%, rgba(4, 4, 3, 0.94));
  }

  .hero__inner {
    min-height: 96svh;
    padding-top: calc(var(--header-height) + 84px);
  }

  .hero__copy {
    width: 620px;
    max-width: 78%;
  }

  .hero h1 {
    font-size: 58px;
  }

  .hero__foot ul {
    display: none;
  }

  .system-equation {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .system-equation__arrow {
    display: none;
  }

  .system-term {
    min-height: 200px;
    padding: 24px;
    border-right: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
  }

  .system-term:nth-of-type(2n) {
    border-right: 0;
  }

  .system-term__name {
    margin-top: 36px;
  }

  .ceiling-ledger {
    margin-top: 120px;
  }

  .js .calibration {
    height: 680vh;
  }

  .js .calibration__stage {
    display: block;
    padding-top: calc(var(--header-height) + 18px);
    padding-bottom: 18px;
  }

  .js .calibration__media {
    position: absolute;
    top: calc(var(--header-height) + 24px);
    left: 24px;
    width: 210px;
    height: auto;
  }

  .js .calibration__copy {
    height: 100%;
  }

  .js .calibration__heading {
    top: 92px;
    left: 270px;
    width: calc(100% - 294px);
  }

  .calibration__heading h2 {
    font-size: 42px;
  }

  .calibration__heading > p:last-child {
    display: none;
  }

  .js .calibration__steps {
    position: absolute;
    right: 24px;
    bottom: 20px;
    left: 270px;
    height: 54svh;
    margin: 0;
  }

  .calibration-step h3 {
    font-size: 34px;
  }

  .calibration-step p {
    font-size: 14px;
  }

  .layers__layout {
    gap: 42px;
    margin-top: 64px;
  }

  .layers__visual {
    min-height: 480px;
  }

  .model-note {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .translation {
    padding-top: 130px;
    padding-bottom: 130px;
  }

  .translation-row > p {
    font-size: 36px;
  }

  .case-study > p {
    font-size: 40px;
  }

  .access-trigger {
    grid-template-columns: 46px 1fr 44px;
    gap: 16px;
  }

  .access-trigger > small {
    display: none;
  }

  .access-panel {
    grid-template-columns: 1fr;
    gap: 42px;
    padding: 8px 0 64px 62px;
  }

  .founder__visual {
    min-height: 460px;
  }

  .founder__copy h2 {
    font-size: 50px;
  }

  .booking {
    min-height: 860px;
  }

  .booking__copy h2 {
    font-size: 58px;
  }

  .site-footer__inner {
    grid-template-columns: 1fr auto;
  }

  .site-footer p {
    display: none;
  }

  .site-footer__meta {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .site-footer__meta > p {
    display: block;
  }

  .site-footer__meta nav {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  :root {
    --gutter: 18px;
  }

  .world__light {
    display: none;
  }

  .world__field {
    opacity: 0.4;
  }

  .brand {
    width: 184px;
  }

  .hero {
    height: 96svh;
    min-height: 810px;
  }

  .hero__picture img {
    object-position: 70% center;
  }

  .hero__shade {
    background:
      linear-gradient(90deg, rgba(4, 4, 3, 0.94), rgba(4, 4, 3, 0.58) 74%, rgba(4, 4, 3, 0.36)),
      linear-gradient(180deg, rgba(4, 4, 3, 0.25), rgba(4, 4, 3, 0.42) 56%, rgba(4, 4, 3, 0.97));
  }

  .hero__inner {
    min-height: 810px;
    padding-top: 142px;
    padding-bottom: 28px;
  }

  .hero__copy {
    max-width: 100%;
  }

  .hero__eyebrow {
    max-width: 300px;
  }

  .hero h1 {
    font-size: 48px;
    line-height: 0.95;
  }

  .hero__lead {
    max-width: 520px;
    margin-top: 26px;
    font-size: 17px;
    line-height: 1.55;
  }

  .hero__actions {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
  }

  .hero__actions .text-link {
    align-self: flex-start;
  }

  .hero__foot {
    gap: 0;
  }

  h2 {
    font-size: 42px;
    line-height: 1;
  }

  .section {
    padding: 98px 0;
  }

  .diagnosis__intro > p:last-child,
  .layers__intro > p:last-child,
  .proof__heading > p:last-child,
  .booking__copy > p:last-child {
    font-size: 16px;
  }

  .system-equation {
    margin-top: 70px;
  }

  .system-term {
    min-height: 178px;
    padding: 20px 14px;
  }

  .system-term__name {
    margin-top: 28px;
    font-size: 27px;
  }

  .system-term__meaning {
    font-size: 12px;
  }

  .ceiling-row {
    grid-template-columns: 38px 1fr;
    gap: 12px;
    padding: 24px 0;
  }

  .ceiling-row h3 {
    font-size: 29px;
  }

  .ceiling-row p {
    padding-bottom: 0;
  }

  .js .calibration {
    height: 720vh;
  }

  .js .calibration__media {
    top: 86px;
    left: 18px;
    width: 145px;
  }

  .calibration__media-head,
  .calibration__readout {
    right: 9px;
    left: 9px;
    font-size: 7px;
  }

  .js .calibration__heading {
    top: 94px;
    right: 0;
    left: 170px;
    width: auto;
  }

  .calibration__heading .chapter-label {
    display: block;
    font-size: 9px;
  }

  .calibration__heading .chapter-label span {
    display: block;
    margin-bottom: 5px;
  }

  .calibration__heading h2 {
    margin-top: 10px;
    font-size: 27px;
    line-height: 1;
  }

  .js .calibration__steps {
    right: 18px;
    bottom: 26px;
    left: 18px;
    height: 48svh;
  }

  .calibration-step {
    grid-template-columns: 34px 1fr;
    gap: 12px;
  }

  .calibration-step h3 {
    font-size: 30px;
  }

  .calibration-step p {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.55;
  }

  .layers__visual {
    min-height: 360px;
  }

  .layer-control {
    min-height: 184px;
  }

  .layer-control strong {
    font-size: 25px;
  }

  .translation__intro h2,
  .questions__intro h2,
  .founder__copy h2 {
    font-size: 42px;
  }

  .translation-row {
    min-height: 178px;
  }

  .translation-row > p {
    grid-template-columns: 1fr 26px 1fr;
    gap: 8px;
    font-size: 29px;
  }

  .translation-row > p b {
    font-size: 11px;
  }

  .proof__heading {
    text-align: left;
  }

  .proof__heading .chapter-label {
    justify-content: flex-start;
  }

  .proof__layout {
    margin-top: 74px;
  }

  .case-study {
    min-height: 470px;
  }

  .case-study > p {
    font-size: 35px;
  }

  .proof__context {
    display: flex;
  }

  .proof__context > div {
    grid-template-columns: 100px 1fr;
  }

  .proof__context strong {
    font-size: 40px;
  }

  .no-guarantee {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .no-guarantee > p:last-child {
    grid-column: auto;
  }

  .access-trigger {
    min-height: 100px;
    grid-template-columns: 30px 1fr 30px;
    gap: 12px;
  }

  .access-trigger > strong {
    font-size: 27px;
  }

  .access-panel {
    gap: 32px;
    padding: 6px 0 54px;
  }

  .access-panel h3 {
    font-size: 36px;
  }

  .founder__visual {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .founder__layout,
  .questions__layout {
    gap: 60px;
  }

  .faq summary {
    min-height: 84px;
    font-size: 24px;
  }

  .faq details p {
    padding-right: 0;
  }

  .booking {
    min-height: 940px;
  }

  .booking__inner {
    gap: 58px;
    padding: 110px 0;
  }

  .booking__copy h2 {
    font-size: 47px;
  }

  .booking__action dl > div {
    grid-template-columns: 90px 1fr;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .site-footer__inner > div {
    justify-content: flex-start;
  }

  .site-footer__meta nav {
    gap: 10px 18px;
  }
}

@media (max-width: 360px) {
  .js .calibration__media {
    width: 130px;
  }

  .js .calibration__heading {
    left: 150px;
  }

  .calibration__heading h2 {
    font-size: 25px;
  }

  .translation__grid,
  .translation__intro,
  .translation__list,
  .translation-row {
    min-width: 0;
  }

  .translation-row > p {
    grid-template-columns: minmax(0, 1fr) 22px minmax(0, 1fr);
    gap: 6px;
    font-size: 22px;
  }
}

@media (max-width: 620px) and (max-height: 760px) {
  .hero {
    height: 96svh;
    min-height: 640px;
  }

  .hero__inner {
    min-height: 640px;
    padding-top: 108px;
    padding-bottom: 18px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero__lead {
    margin-top: 18px;
    font-size: 15px;
  }

  .hero__actions {
    margin-top: 20px;
  }

  .hero__foot {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .world__field,
  .world__light {
    display: none;
  }

  .hero__picture img {
    transform: none;
  }

  .js [data-reveal],
  html.js body:not(.is-ready) [data-hero-item] {
    opacity: 1;
    transform: none;
    filter: none;
  }

  .js .calibration {
    height: auto;
    padding: 110px 0;
  }

  .js .calibration__sticky {
    position: relative;
    height: auto;
    overflow: visible;
  }

  .js .calibration__stage {
    min-height: 0;
    padding-top: 0;
  }

  .js .calibration__media {
    position: relative;
    top: auto;
    left: auto;
    height: auto;
    width: min(100%, 500px);
  }

  .js .calibration__heading {
    position: relative;
    top: auto;
    left: auto;
    width: auto;
  }

  .js .calibration__steps {
    position: relative;
    inset: auto;
    height: auto;
    margin-top: 74px;
  }

  .js .calibration-step {
    position: relative;
    top: auto;
    left: auto;
    opacity: 1;
    transform: none;
    filter: none;
    color: var(--ivory);
  }
}