:root {
  --cll-navy: #093b69;
  --cll-blue: #0879a3;
  --cll-light: #83c9e0;
  --cll-paper: #f8f9f6;
  --cll-white: #fff;
  --cll-ink: #243c4c;
  --cll-muted: #536670;
  --cll-line: #d5dfe1;
  --cll-space: clamp(24px, 4.5vw, 96px);
  --cll-section: clamp(80px, 9vw, 160px);
  --cll-ease: cubic-bezier(0.23, 1, 0.32, 1);
  --cll-display: var(--font-heading), "Arial Narrow", sans-serif;
  --cll-body: var(--font-body), Arial, sans-serif;
  --cll-surface: var(--cll-paper);
  --cll-text: var(--cll-navy);
  --cll-soft: var(--cll-muted);
  --cll-accent: var(--cll-blue);
  --cll-hairline: var(--cll-line);
}
/* Sections alternate tone; every colour below reads from the active tone. */
.tone-light {
  --cll-surface: var(--cll-paper);
  --cll-text: var(--cll-navy);
  --cll-soft: var(--cll-muted);
  --cll-accent: var(--cll-blue);
  --cll-hairline: var(--cll-line);
  background: var(--cll-surface);
  color: var(--cll-text);
}
.tone-dark {
  --cll-surface: var(--cll-navy);
  --cll-text: var(--cll-white);
  --cll-soft: #cfe2ec;
  --cll-accent: var(--cll-light);
  --cll-hairline: #ffffff35;
  background: var(--cll-surface);
  color: var(--cll-text);
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--cll-header-height, 6rem) + 1rem);
}
body {
  --cll-display: var(--font-heading), "Arial Narrow", sans-serif;
  --cll-body: var(--font-body), Arial, sans-serif;
  margin: 0;
  background: var(--cll-paper);
  color: var(--cll-navy);
  font-family: var(--cll-body);
  font-size: 16px;
  line-height: 1.65;
}
* {
  box-sizing: border-box;
}
::selection {
  background: var(--cll-navy);
  color: var(--cll-white);
}
a {
  color: inherit;
  text-decoration: none;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
a,
button {
  touch-action: manipulation;
}
button {
  font: inherit;
}
a:focus-visible,
button:focus-visible,
video:focus-visible {
  outline: 3px solid var(--cll-accent);
  outline-offset: 6px;
}
.page-pad {
  padding-inline: var(--cll-space);
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-family: var(--cll-display);
  font-weight: 700;
}
h2 {
  font-size: clamp(72px, 8.4vw, 160px);
  line-height: 0.98;
  letter-spacing: -0.018em;
}
h3 {
  font-size: clamp(30px, 3vw, 52px);
  line-height: 1.1;
}
p {
  color: var(--cll-soft);
}
.accent {
  color: var(--cll-accent);
  font-weight: 400;
}
.eyebrow,
.section-kicker,
.hero-foot,
.image-note,
.book-caption,
.film-footer,
.draft-badge,
.measure-note,
.back-top {
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  font-weight: 500;
}
.eyebrow {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--cll-accent);
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--cll-accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 12px 20px;
  background: white;
}
.skip-link:focus {
  transform: none;
}

/* ---------- motion primitives ---------- */
@keyframes cll-mark {
  from {
    opacity: 0;
    transform: scale(1.6);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes cll-sweep {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}
.rule {
  position: relative;
  height: 1px;
  background: var(--cll-hairline);
  margin-block: clamp(40px, 5vw, 80px);
}
.rule:after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--cll-accent);
  transform: scaleX(0);
  transform-origin: left;
}
.rule:last-child {
  margin-bottom: 0;
}
.rule--ticks:before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: -5px;
  height: 11px;
  background-image: repeating-linear-gradient(
    to right,
    var(--cll-hairline) 0 1px,
    transparent 1px 64px
  );
  opacity: 0.8;
}
@supports (animation-timeline: view()) {
  .rule {
    view-timeline-name: --rule;
  }
  .rule:after {
    animation: cll-sweep both;
    animation-timeline: --rule;
    animation-range: entry 20% entry 92%;
  }
  .section-kicker {
    view-timeline-name: --kicker;
  }
  .section-kicker:after {
    animation: cll-sweep both;
    animation-timeline: --kicker;
    animation-range: entry 24% entry 96%;
  }
  .measure-row {
    view-timeline-name: --row;
  }
  .measure-row:before {
    animation: cll-sweep both;
    animation-timeline: --row;
    animation-range: entry 10% entry 60%;
  }
  .site-header:after {
    animation: cll-sweep linear both;
    animation-timeline: scroll(root block);
  }
  .journey {
    view-timeline-name: --journey;
  }
  .journey:after {
    animation: cll-sweep both;
    animation-timeline: --journey;
    animation-range: entry 12% entry 72%;
  }
  .journey li:before {
    animation: cll-mark both;
    animation-timeline: --journey;
  }
  .journey li:nth-child(1):before {
    animation-range: entry 18% entry 34%;
  }
  .journey li:nth-child(2):before {
    animation-range: entry 38% entry 54%;
  }
  .journey li:nth-child(3):before {
    animation-range: entry 58% entry 74%;
  }
  .measure-photo {
    view-timeline-name: --photo;
  }
  .measure-photo:before,
  .measure-photo:after {
    animation: cll-mark both;
    animation-timeline: --photo;
    animation-range: entry 30% entry 70%;
  }
}

/* ---------- header ---------- */
.site-header {
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--cll-space);
  gap: 24px;
  background: var(--cll-paper);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--cll-line);
}
.site-header:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--cll-blue);
  transform: scaleX(0);
  transform-origin: left;
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}
.brand > span {
  font-family: var(--cll-display);
  font-size: 22px;
  line-height: 1.05;
  letter-spacing: 0.01em;
  font-weight: 400;
}
.brand strong {
  font-weight: 700;
}
.site-header nav {
  display: flex;
  gap: 32px;
  font-size: 13px;
}
.site-header nav a {
  padding: 12px 0;
  position: relative;
}
.site-header nav a:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 1px;
  background: var(--cll-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--cll-ease);
}
.header-contact {
  font-size: 13px;
  display: flex;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid var(--cll-navy);
  padding: 12px 0;
}
.site-header nav a:hover {
  color: var(--cll-blue);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  min-height: calc(100svh - var(--cll-header-height, 6rem));
}
.hero-bg {
  z-index: -2;
  object-fit: cover;
  object-position: 62% center;
}
/* Navy veil: heavy behind the headline and copy on the left, fading into chapter 01 at the bottom. */
.hero:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      90deg,
      rgb(9 59 105 / 0.9) 0%,
      rgb(9 59 105 / 0.62) 42%,
      rgb(9 59 105 / 0.25) 72%,
      rgb(9 59 105 / 0.4) 100%
    ),
    linear-gradient(
      180deg,
      rgb(9 59 105 / 0.7) 0%,
      rgb(9 59 105 / 0.4) 28%,
      rgb(9 59 105 / 0) 52%,
      rgb(9 59 105 / 0.35) 80%,
      var(--cll-navy) 100%
    );
}
.hero-heading {
  padding-top: 36px;
  padding-bottom: 28px;
}
.hero-heading h1 {
  font-size: clamp(64px, 12.45vw, 250px);
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-top: 14px;
  white-space: nowrap;
}
.hero-heading h1 span {
  font-weight: 400;
}
.hero-body {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 24px;
  margin-top: 8px;
}
.hero-intro {
  font-size: 13px;
  line-height: 1.5;
  color: var(--cll-soft);
}
.hero-lede .hero-promise {
  margin-top: clamp(40px, 5vw, 96px);
  text-shadow: 0 2px 24px rgb(3 28 38 / 0.35);
}
.hero-cue {
  text-shadow: 0 1px 12px rgb(3 28 38 / 0.6);
  display: flex;
  gap: 20px;
  align-items: center;
  margin-top: 18px;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--cll-text);
}
.hero-promise {
  font-family: var(--cll-display);
  font-size: clamp(38px, 4.2vw, 80px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: inherit;
  position: relative;
  z-index: 1;
}
.hero-promise em {
  font-weight: 400;
  font-style: normal;
  color: var(--cll-accent);
}
.hero-foot {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding-block: 24px;
  border-top: 1px solid var(--cll-hairline);
}

/* ---------- shared chapter furniture ---------- */
.chapter {
  padding-block: 40px var(--cll-section);
}
.section-kicker {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--cll-hairline);
  margin-bottom: 72px;
}
.section-kicker:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--cll-accent);
  transform: scaleX(0);
  transform-origin: left;
}
.lead {
  font-size: clamp(20px, 2vw, 30px);
  line-height: 1.4;
  letter-spacing: -0.025em;
  color: var(--cll-text);
}
.body-copy {
  display: block;
  font-size: 14px;
  color: var(--cll-soft);
  letter-spacing: 0;
  line-height: 1.8;
  margin-top: 24px;
  max-width: 320px;
}
.text-link {
  display: inline-flex;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid currentColor;
  padding-block: 12px;
  margin-top: 24px;
  font-size: 12px;
}
.image-note {
  position: absolute;
  bottom: 20px;
  left: var(--cll-space);
  color: white;
  font-size: 9px;
  background: #073858b8;
  padding: 5px 8px;
}

/* ---------- 01 book ---------- */
.book-section {
  overflow: hidden;
}
.book-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 24px;
  align-items: center;
}
.book-copy .eyebrow {
  font-size: 10px;
  margin-bottom: 24px;
}
.book-copy h2 {
  margin-bottom: 32px;
}
.book-copy > p:not(.eyebrow):not(.lead) {
  max-width: 410px;
  margin-top: 24px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--cll-soft);
}
.book-art {
  width: 114%;
  margin-left: -2%;
  position: relative;
}
.book-art img {
  width: 100%;
  height: auto;
}
.book-caption {
  display: block;
  text-align: center;
  font-size: 9px;
  margin-top: 16px;
  color: var(--cll-soft);
}

.journey {
  position: relative;
  list-style: none;
  margin: clamp(56px, 6vw, 96px) 0 0;
  padding: 44px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 56px);
}
.journey:before,
.journey:after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
}
.journey:before {
  background: var(--cll-hairline);
}
.journey:after {
  background: var(--cll-accent);
  transform: scaleX(0);
  transform-origin: left;
}
.journey li {
  position: relative;
}
.journey li:before {
  content: "";
  position: absolute;
  top: -49px;
  left: 0;
  width: 9px;
  height: 9px;
  border: 1px solid var(--cll-accent);
  border-radius: 50%;
  background: var(--cll-surface);
}
.journey-index {
  display: block;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--cll-accent);
  margin-bottom: 12px;
}
.journey h3 {
  font-size: clamp(20px, 1.8vw, 28px);
  letter-spacing: 0.01em;
  margin-bottom: 12px;
}
.journey p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--cll-soft);
  max-width: 34ch;
}

/* ---------- 02 measures ---------- */
.measures-section {
  padding-top: 40px;
}
.measures-title {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 48px;
  margin-bottom: 24px;
}
.measures-title .lead {
  width: 34%;
  padding-bottom: 8px;
}
.measure-row {
  position: relative;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  border-top: 1px solid var(--cll-hairline);
  padding-block: clamp(40px, 5vw, 76px);
}
.measure-row:before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 1px;
  background: var(--cll-accent);
  transform: scaleX(0);
  transform-origin: left;
}
.measure-copy {
  max-width: 470px;
}
.measure-top {
  display: flex;
  justify-content: space-between;
  color: var(--cll-accent);
  font-size: 11px;
  align-items: center;
  margin-bottom: 20px;
}
.measure-row h3 {
  font-size: clamp(27px, 2.9vw, 52px);
}
.measure-row p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--cll-soft);
  margin-top: 16px;
}
.measure-note {
  display: block;
  margin-top: 24px;
  font-size: 9px;
  color: var(--cll-accent);
}

/* ---------- 03 air ---------- */
.air-section {
  padding-top: 40px;
}
.air-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12vw;
  align-items: center;
}
.air-grid .eyebrow {
  margin-bottom: 32px;
}
.air-grid h2 {
  font-size: clamp(80px, 10vw, 184px);
}
.air-copy {
  padding-top: 24px;
  max-width: 430px;
}
.air-copy h3 {
  font-family: var(--cll-body);
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.045em;
  margin-bottom: 24px;
  color: var(--cll-text);
}
.air-copy > p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--cll-soft);
}
.air-copy .monitoring-note {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 9px;
  letter-spacing: 0.07em;
  color: var(--cll-text);
  margin-top: 32px;
}
.air-copy .small-copy {
  font-size: 11px;
  margin-top: 12px;
}

/* ---------- 04 reveal ---------- */
.reveal-section {
  padding-top: 40px;
}
.reveal-heading {
  padding-bottom: clamp(40px, 5vw, 72px);
}
.reveal-heading h2 {
  font-size: clamp(42px, 6.3vw, 120px);
  line-height: 1.08;
}
.hero-picture {
  height: min(65vw, 720px);
  min-height: 460px;
  position: relative;
  isolation: isolate;
  background: var(--cll-navy);
  overflow: hidden;
}
.factory-scene {
  position: absolute;
  inset: 0;
}
.factory-scene > img {
  object-fit: cover;
  object-position: center 15%;
}
.factory-scene canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  object-fit: cover;
  object-position: center 15%;
  pointer-events: none;
}
.factory-scene[data-ready="true"] canvas {
  opacity: 1;
}
.factory-scene:after {
  content: "";
  position: absolute;
  inset: 40% 0 0;
  background: linear-gradient(transparent, rgba(3, 28, 38, 0.68));
  pointer-events: none;
}
.hero-picture-bottom {
  position: absolute;
  bottom: 64px;
  left: var(--cll-space);
  right: var(--cll-space);
  display: flex;
  align-items: end;
  justify-content: space-between;
  color: white;
  z-index: 1;
}
.hero-picture-bottom .hero-promise em {
  color: var(--cll-light);
}
.round-link {
  width: 112px;
  height: 112px;
  border: 1px solid #ffffff85;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 10px;
  line-height: 1.4;
  letter-spacing: 0.05em;
  transition: background 0.2s ease;
  flex-shrink: 0;
}
.round-link:hover {
  background: #ffffff25;
}
.play-small {
  width: 0;
  height: 0;
  border-block: 6px solid transparent;
  border-left: 9px solid white;
}
.measure-photo {
  position: relative;
  overflow: hidden;
}
.measure-photo img {
  display: block;
  width: 100%;
  height: auto;
}
.measure-photo:before,
.measure-photo:after {
  content: "";
  position: absolute;
  width: 34px;
  height: 34px;
  z-index: 2;
  border: 1px solid #ffffffb0;
  pointer-events: none;
}
.measure-photo:before {
  top: 16px;
  left: 16px;
  border-right: 0;
  border-bottom: 0;
}
.measure-photo:after {
  bottom: 16px;
  right: 16px;
  border-left: 0;
  border-top: 0;
}
/* ---------- 05 film ---------- */
.film-section {
  padding-block: 40px 48px;
}
.film-section .rule {
  margin-block: 0 clamp(32px, 4vw, 56px);
}
.film-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 56px;
}
.film-heading > p {
  color: var(--cll-soft);
  font-size: 14px;
  line-height: 1.7;
  padding-bottom: 8px;
  min-width: 30%;
}
.film-player {
  position: relative;
  aspect-ratio: 2;
  overflow: hidden;
  background: #08273e;
}
.film-player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.film-poster {
  position: relative;
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
  display: block;
  color: white;
  cursor: pointer;
}
.film-poster:after {
  content: "";
  position: absolute;
  inset: 0;
  background: #03253c35;
}
.film-poster > img {
  object-fit: cover;
  transition: transform 0.7s var(--cll-ease);
}
.film-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 1px solid #fff;
  background: #ffffff20;
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  z-index: 1;
}
.film-play svg {
  margin-left: 4px;
}
.film-play-label {
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: 24px;
  display: flex;
  justify-content: space-between;
  z-index: 1;
  font-size: 12px;
  letter-spacing: 0.06em;
}
.draft-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  background: var(--cll-paper);
  color: var(--cll-navy);
  padding: 6px 12px;
  pointer-events: none;
  font-size: 9px;
}
.film-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 24px;
  font-size: 9px;
  color: var(--cll-soft);
}
.film-section button:focus-visible {
  outline-color: white;
  outline-offset: -5px;
}

/* ---------- 06 contact ---------- */
.contact-section {
  padding-block: 40px 32px;
}
.contact-section h2 {
  font-size: clamp(88px, 15.4vw, 290px);
  line-height: 0.92;
  letter-spacing: -0.02em;
}
.contact-grid {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  padding-block: 56px 72px;
}
.contact-grid p {
  max-width: 44ch;
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.55;
  color: var(--cll-text);
}
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
  padding: 20px 28px;
  background: var(--cll-text);
  color: var(--cll-surface);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: background 0.2s ease;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--cll-hairline);
  padding-top: 32px;
  font-size: 10px;
  color: var(--cll-soft);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 20px;
  line-height: 1.8;
}
.back-top {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 9px;
}
@media (hover: hover) and (pointer: fine) {
  .film-poster:hover > img {
    transform: scale(1.035);
  }
  .site-header nav a:hover:after {
    transform: scaleX(1);
  }
  .text-link:hover,
  .header-contact:hover {
    color: var(--cll-accent);
  }
  .cta-button:hover {
    background: var(--cll-accent);
  }
}

/* ---------- scroll tour ---------- */
.hero-tour {
  position: relative;
}
.hero-tour[data-motion="enabled"] {
  height: 240svh;
}
.hero-tour[data-motion="enabled"] .hero-picture {
  position: sticky;
  top: var(--cll-header-height, 9rem);
  height: calc(100svh - var(--cll-header-height, 9rem));
  min-height: 0;
}
.tour-cue {
  display: none;
  position: absolute;
  top: 1.5rem;
  inset-inline: var(--cll-space);
  align-items: center;
  justify-content: space-between;
  color: white;
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  z-index: 1;
}
.hero-tour[data-motion="enabled"] .tour-cue {
  display: flex;
}
.tour-progress {
  position: absolute;
  inset: auto 0 0;
  height: 0.1875rem;
  background: #ffffff30;
  z-index: 1;
}
.tour-progress > span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--cll-light);
  transform: scaleX(0);
  transform-origin: left;
}
.site-header nav a,
.header-contact {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

/* ---------- responsive ---------- */
@media (min-width: 48em) {
  .hero-tour[data-motion="enabled"] {
    height: 300svh;
  }
  .hero-tour[data-motion="enabled"] .hero-picture {
    top: var(--cll-header-height, 6rem);
    height: calc(100svh - var(--cll-header-height, 6rem));
  }
}
@media (min-width: 1921px) {
  .hero-picture {
    height: 800px;
  }
}
@media (max-width: 1024px) {
  .site-header nav {
    gap: 20px;
  }
  .header-contact {
    gap: 12px;
  }
  .book-grid {
    grid-template-columns: 1fr 1fr;
  }
  .book-art {
    width: 125%;
    margin-left: -6%;
  }
  .measures-title .lead {
    width: 38%;
  }
  .measure-row {
    grid-template-columns: 1fr 1fr;
  }
  .air-grid {
    gap: 64px;
  }
  .hero-picture {
    min-height: 520px;
  }
}
@media (max-width: 767px) {
  html {
    scroll-padding-top: calc(var(--cll-header-height, 9rem) + 1rem);
  }
  .site-header {
    height: auto;
    min-height: 88px;
    padding-block: 16px;
    gap: 12px;
    flex-wrap: wrap;
  }
  .brand {
    gap: 10px;
  }
  .brand img {
    width: 44px;
    height: 44px;
  }
  .brand > span {
    font-size: 18px;
  }
  .site-header nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    font-size: 11px;
    border-top: 1px solid var(--cll-line);
    padding-top: 8px;
    gap: 16px;
  }
  .site-header nav a {
    padding-block: 6px;
  }
  .header-contact {
    font-size: 10px;
    gap: 8px;
    padding: 8px 0;
  }
  .header-contact svg {
    width: 16px;
  }
  .hero-heading {
    padding-top: 28px;
    padding-bottom: 24px;
  }
  .hero-heading .eyebrow {
    font-size: 9px;
    letter-spacing: 0.05em;
  }
  .hero-heading h1 {
    font-size: 17vw;
    line-height: 1;
    margin-top: 24px;
    white-space: normal;
  }
  .hero-heading h1 > span {
    display: block;
    font-size: 18vw;
  }
  .hero-body {
    margin-top: 20px;
    gap: 16px;
  }
  .hero-intro {
    font-size: 11px;
  }
  .hero-lede .hero-promise {
    margin-top: 28px;
  }
  .hero-cue {
    width: 94px;
    margin-top: 0;
    font-size: 8px;
    gap: 8px;
    line-height: 1.5;
  }
  .hero-cue svg {
    flex-shrink: 0;
  }
  .hero-promise {
    font-size: 34px;
  }
  .hero-promise em {
    display: block;
  }
  .hero-foot {
    font-size: 8px;
    padding-block: 20px;
    gap: 24px;
  }
  .hero-foot > span:last-child {
    text-align: right;
    white-space: nowrap;
  }
  .chapter,
  .reveal-section {
    padding-top: 28px;
  }
  .section-kicker {
    font-size: 8px;
    margin-bottom: 48px;
    padding-bottom: 20px;
    gap: 24px;
  }
  .section-kicker > span:last-child {
    text-align: right;
    max-width: 140px;
  }
  .book-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .book-copy .eyebrow {
    font-size: 8px;
    letter-spacing: 0.03em;
  }
  .book-copy h2 {
    font-size: 24vw;
    margin-bottom: 24px;
  }
  .book-copy > p:not(.eyebrow):not(.lead) {
    font-size: 13px;
  }
  .book-art {
    width: 115%;
    margin-left: -7.5%;
  }
  .book-caption {
    font-size: 8px;
  }
  .journey {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 0;
    margin-top: 48px;
  }
  .journey:before,
  .journey:after {
    display: none;
  }
  .journey li {
    border-top: 1px solid var(--cll-hairline);
    padding-top: 28px;
    padding-bottom: 28px;
  }
  .journey li:last-child {
    padding-bottom: 0;
  }
  .journey li:before {
    top: -6px;
  }
  .measures-title {
    display: block;
    margin-bottom: 8px;
  }
  .measures-title h2 {
    font-size: 21vw;
  }
  .measures-title .lead {
    width: auto;
    margin-top: 32px;
    font-size: 22px;
  }
  .body-copy {
    font-size: 13px;
    margin-top: 16px;
    max-width: none;
  }
  .measure-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .measure-row {
    padding-block: 32px;
  }
  .measure-row h3 {
    font-size: 36px;
  }
  .measure-row p {
    font-size: 13px;
  }
  .measure-top {
    margin-bottom: 16px;
  }
  .reveal-heading {
    padding-bottom: 32px;
  }
  .reveal-heading h2 {
    font-size: 11.4vw;
    line-height: 1.12;
  }
  .hero-picture {
    height: 70svh;
    min-height: 450px;
    max-height: 650px;
  }
  .factory-scene > img {
    object-position: 46% center;
  }
  .hero-picture-bottom {
    bottom: 66px;
    align-items: end;
    gap: 12px;
  }
  .round-link {
    width: 76px;
    height: 76px;
    font-size: 8px;
    gap: 8px;
  }
  .image-note {
    font-size: 7px;
    bottom: 20px;
  }
  .film-section {
    padding-top: 28px;
    padding-bottom: 32px;
  }
  .film-heading {
    display: block;
    margin-bottom: 32px;
  }
  .film-heading h2 {
    font-size: 21vw;
  }
  .film-heading > p {
    font-size: 12px;
    margin-top: 24px;
  }
  .film-player {
    aspect-ratio: 1.35;
    margin-inline: calc(-1 * var(--cll-space));
  }
  .film-play {
    width: 68px;
    height: 68px;
  }
  .film-play-label {
    font-size: 9px;
    left: 24px;
    right: 24px;
  }
  .draft-badge {
    font-size: 8px;
    top: 16px;
    left: 16px;
  }
  .film-footer {
    font-size: 7px;
    gap: 16px;
  }
  .film-footer > span:last-child {
    text-align: right;
  }
  .air-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .air-grid h2 {
    font-size: 26vw;
  }
  .air-grid .eyebrow {
    font-size: 9px;
    margin-bottom: 24px;
  }
  .air-copy {
    padding: 0;
  }
  .air-copy h3 {
    font-size: 32px;
  }
  .air-copy > p {
    font-size: 13px;
  }
  .contact-section {
    padding-top: 28px;
  }
  .contact-section h2 {
    font-size: 27vw;
  }
  .contact-grid {
    display: block;
    padding-block: 32px 48px;
  }
  .contact-grid > p {
    font-size: 16px;
  }
  .cta-button {
    margin-top: 32px;
    width: 100%;
    justify-content: space-between;
  }
  .footer-bottom {
    flex-wrap: wrap;
    row-gap: 28px;
    font-size: 8px;
  }
  .footer-brand {
    width: 100%;
    gap: 16px;
  }
  .footer-brand img {
    width: 48px;
    height: 48px;
  }
  .back-top {
    font-size: 8px;
  }
  .rule {
    margin-block: 40px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .factory-scene canvas {
    display: none !important;
  }
  .book-art > div {
    transform: none !important;
  }
  .hero-tour[data-motion="enabled"] {
    height: auto;
  }
  .hero-tour[data-motion="enabled"] .hero-picture {
    position: relative;
    top: auto;
    height: 65svh;
  }
  .tour-cue,
  .tour-progress {
    display: none !important;
  }
}
@supports (animation-timeline: view()) {
  .reveal {
    animation: cll-reveal both;
    animation-timeline: view();
    animation-range: entry 0% entry 28%;
  }
  @keyframes cll-reveal {
    from {
      opacity: 0.4;
      transform: translateY(16px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}