:root {
  --black: #050505;
  --black-2: #11110f;
  --cream: #f1eee4;
  --cream-2: #e5e0d3;
  --yellow: #18d6c4;
  --grey: #a6a59f;
  --line-dark: rgba(255, 255, 255, 0.2);
  --line-light: rgba(5, 5, 5, 0.18);
  --sans: "Manrope", system-ui, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "DM Mono", monospace;
  --page: 1440px;
  --gutter: clamp(20px, 3.3vw, 52px);
  --section-space: clamp(88px, 11vw, 176px);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  overflow-x: clip;
  background: var(--black);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

button {
  color: inherit;
  font: inherit;
}

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

h1,
h2,
h3 {
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

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

.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: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 14px;
  background: var(--yellow);
  color: var(--black);
  transform: translateY(-150%);
}

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

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.section {
  position: relative;
  max-width: var(--page);
  margin: 0 auto;
  padding: var(--section-space) var(--gutter);
}

.section--cream {
  max-width: none;
  background: var(--cream);
  color: var(--black);
}

.section--cream > * {
  max-width: calc(var(--page) - (var(--gutter) * 2));
  margin-inline: auto;
}

.section-label {
  display: flex;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.09em;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow--yellow {
  color: var(--yellow);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  padding: 0 var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled,
.site-header.menu-visible {
  border-color: var(--line-dark);
  background: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  position: relative;
  z-index: 102;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand__mark {
  width: 38px;
  color: var(--yellow);
  fill: currentColor;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.3vw, 38px);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
}

.site-nav > a:not(.nav-cta) {
  position: relative;
  padding: 13px 0;
}

.site-nav > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: 8px;
  left: 0;
  height: 1px;
  background: var(--yellow);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav > a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  min-height: 46px;
  padding-left: 16px;
  background: var(--cream);
  color: var(--black);
}

.arrow-box {
  display: grid;
  width: 34px;
  height: 34px;
  margin-right: 6px;
  place-items: center;
  background: var(--black);
  color: var(--cream);
  font-size: 17px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-cta:hover .arrow-box {
  background: var(--yellow);
  color: var(--black);
  transform: translate(2px, -2px);
}

.menu-toggle {
  position: relative;
  z-index: 102;
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
}

.menu-toggle > span:not(.sr-only) {
  position: absolute;
  right: 2px;
  left: 2px;
  height: 2px;
  background: currentColor;
  transition: transform 200ms ease, top 200ms ease;
}

.menu-toggle > span:first-child {
  top: 16px;
}

.menu-toggle > span:nth-child(2) {
  top: 26px;
}

.menu-toggle[aria-expanded="true"] > span:first-child {
  top: 21px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] > span:nth-child(2) {
  top: 21px;
  transform: rotate(-45deg);
}

.hero {
  --hero-progress: 0;
  --hero-copy-opacity: 1;
  --hero-end-opacity: 0;
  position: relative;
  height: 260svh;
  min-height: 1800px;
  overflow: clip;
  background: var(--black);
}

.hero__stage {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
  background: var(--black);
}

.hero__visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.88;
  animation: hero-arrive 1.4s cubic-bezier(0.2, 0.7, 0.1, 1) both;
}

.hero__poster {
  z-index: 0;
}

.hero__sequence {
  z-index: 1;
}

.hero__headline,
.hero__bottom,
.hero__index {
  opacity: var(--hero-copy-opacity);
  will-change: opacity, transform;
}

.hero__headline {
  transform: translateY(calc(var(--hero-progress) * -28px));
}

.hero__bottom {
  transform: translateY(calc(var(--hero-progress) * 22px));
}

.hero__scroll-status {
  position: absolute;
  right: var(--gutter);
  bottom: 42px;
  z-index: 5;
  display: flex;
  align-items: flex-end;
  gap: 12px;
  color: var(--cream);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
}

.hero__end-mark {
  position: absolute;
  top: 51%;
  left: var(--gutter);
  z-index: 5;
  display: flex;
  align-items: baseline;
  color: var(--yellow);
  font-family: var(--sans);
  font-size: clamp(64px, 8.4vw, 130px);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.8;
  pointer-events: none;
  opacity: var(--hero-end-opacity);
  transform: translate3d(0, -50%, 0);
  text-shadow: 0 4px 34px rgba(5, 5, 5, 0.9);
  will-change: opacity;
}

.hero__end-mark::before {
  position: absolute;
  z-index: -1;
  top: -160%;
  right: -45%;
  bottom: -160%;
  left: calc(var(--gutter) * -1);
  content: "";
  background: radial-gradient(circle at left, rgba(5, 5, 5, 0.92), rgba(5, 5, 5, 0) 72%);
  filter: blur(24px);
}

.hero__end-mark span {
  opacity: 0;
  will-change: opacity, transform;
}

.hero__progress-track {
  position: relative;
  width: 2px;
  height: 92px;
  overflow: hidden;
  background: rgba(241, 238, 228, 0.25);
}

.hero__progress-track i {
  position: absolute;
  inset: 0;
  display: block;
  background: var(--yellow);
  transform: scaleY(var(--hero-progress));
  transform-origin: top;
  will-change: transform;
}

.hero__shade {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: calc(0.32 + var(--hero-copy-opacity) * 0.68);
  background:
    linear-gradient(180deg, rgba(5, 5, 5, 0.82) 0%, rgba(5, 5, 5, 0.3) 42%, rgba(5, 5, 5, 0.18) 58%, rgba(5, 5, 5, 0.92) 100%),
    linear-gradient(90deg, rgba(5, 5, 5, 0.82) 0%, rgba(5, 5, 5, 0.42) 50%, rgba(5, 5, 5, 0.18) 72%, rgba(5, 5, 5, 0.52) 100%);
  will-change: opacity;
}

.hero__grid,
.manifesto__grid {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%, calc(100% / 12) 100%;
  opacity: 0.3;
}

.hero__headline {
  position: absolute;
  top: clamp(135px, 18vh, 190px);
  right: var(--gutter);
  left: var(--gutter);
  z-index: 4;
}

.hero__headline .eyebrow {
  margin-bottom: clamp(20px, 3vw, 42px);
}

.hero h1 {
  max-width: 1120px;
  font-size: clamp(72px, 10.7vw, 164px);
  line-height: 0.79;
}

.hero h1 em {
  display: inline-block;
  padding-left: clamp(40px, 13vw, 210px);
}

.hero__bottom {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(44px, 6vh, 74px);
  left: var(--gutter);
  z-index: 4;
  display: grid;
  grid-template-columns: minmax(240px, 520px) auto;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
}

.hero__bottom > p {
  max-width: 590px;
  font-size: clamp(18px, 2vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 58px;
  padding: 7px 7px 7px 20px;
  border: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.button--light {
  min-width: min(100%, 330px);
  background: var(--cream);
  color: var(--black);
}

.button--dark {
  min-width: min(100%, 330px);
  background: var(--black);
  color: var(--cream);
}

.button__icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  background: var(--black);
  color: var(--cream);
  font-size: 20px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button--dark .button__icon {
  background: var(--yellow);
  color: var(--black);
}

.button:hover .button__icon {
  background: var(--yellow);
  color: var(--black);
  transform: translate(2px, -2px);
}

.hero__index {
  position: absolute;
  top: 50%;
  right: 12px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 26px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
}

.marquee {
  overflow: hidden;
  border-block: 1px solid var(--black);
  background: var(--yellow);
  color: var(--black);
  font-family: var(--serif);
  font-size: clamp(27px, 3.2vw, 48px);
  font-style: italic;
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  padding: 12px 0 15px;
  animation: ticker 24s linear infinite;
}

.marquee i {
  font-family: var(--sans);
  font-size: 11px;
  font-style: normal;
}

.statement {
  min-height: 92vh;
}

.statement__content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  align-items: end;
  gap: clamp(40px, 8vw, 130px);
  padding-top: clamp(100px, 14vw, 210px);
}

.statement h2,
.offer__heading h2,
.method__heading h2 {
  font-size: clamp(52px, 7.2vw, 108px);
}

.statement h2 em,
.offer__heading h2 em,
.method__heading h2 em {
  color: var(--black);
}

.statement__content > p,
.offer__heading > p,
.perimeters__heading > p {
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.55;
  letter-spacing: -0.025em;
}

.system {
  display: grid;
  grid-template-columns: minmax(340px, 0.82fr) minmax(520px, 1.18fr);
  gap: clamp(44px, 8vw, 128px);
}

.system__intro .section-label {
  margin-bottom: clamp(76px, 11vw, 160px);
}

.system__sticky {
  position: sticky;
  top: 130px;
}

.system__sticky h2 {
  margin: 22px 0 34px;
  font-size: clamp(46px, 5.8vw, 86px);
}

.system__sticky > p:last-child {
  max-width: 520px;
  color: var(--grey);
  font-size: 17px;
  line-height: 1.6;
}

.system__cards {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 48px;
}

.system-card {
  position: relative;
  display: grid;
  grid-template-columns: 46px 1fr;
  min-height: 360px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: var(--black-2);
}

.system-card--yellow {
  border-color: var(--yellow);
  background: var(--yellow);
  color: var(--black);
}

.system-card__number,
.offer-card__top,
.loop article > span,
.principles__list article > span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.system-card > div {
  align-self: end;
  max-width: 540px;
}

.system-card h3 {
  margin: 16px 0 20px;
  font-size: clamp(33px, 4vw, 58px);
}

.system-card > div > p:last-child {
  max-width: 480px;
  color: var(--grey);
  font-size: 15px;
  line-height: 1.55;
}

.system-card--yellow > div > p:last-child {
  color: rgba(5, 5, 5, 0.72);
}

.system-card__symbol {
  position: absolute;
  top: 15px;
  right: 25px;
  color: var(--yellow);
  font-family: var(--serif);
  font-size: 112px;
  line-height: 1;
  opacity: 0.95;
}

.system-card--yellow .system-card__symbol {
  color: var(--black);
}

.offer__heading,
.perimeters__heading {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 420px);
  align-items: end;
  gap: clamp(36px, 8vw, 120px);
  padding: clamp(82px, 11vw, 150px) 0 clamp(60px, 8vw, 110px);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.offer-card {
  min-height: 590px;
  padding: 26px;
  border: 1px solid var(--black);
  background: var(--cream);
}

.offer-card + .offer-card {
  border-left: 0;
}

.offer-card--dark {
  background: var(--black);
  color: var(--cream);
}

.offer-card--yellow {
  background: var(--yellow);
}

.offer-card__top {
  display: flex;
  justify-content: space-between;
}

.offer-card h3 {
  min-height: 2.3em;
  margin: clamp(120px, 14vw, 220px) 0 24px;
  font-size: clamp(35px, 3.7vw, 55px);
}

.offer-card > p {
  min-height: 7em;
  font-size: 15px;
  line-height: 1.55;
}

.offer-card ul {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid currentColor;
}

.offer-card li {
  padding: 10px 0;
  border-bottom: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
}

.manifesto {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.manifesto::before {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 55%, rgba(255, 230, 0, 0.15), transparent 35%);
  content: "";
}

.manifesto > *:not(.manifesto__grid) {
  position: relative;
  z-index: 3;
}

.manifesto__copy {
  max-width: 1190px;
  padding-top: clamp(110px, 15vw, 220px);
}

.manifesto__copy > p {
  margin-bottom: 8px;
  color: var(--grey);
  font-family: var(--mono);
  font-size: clamp(12px, 1.2vw, 16px);
  text-transform: uppercase;
}

.manifesto h2 {
  margin-top: 44px;
  font-size: clamp(56px, 8.4vw, 126px);
}

.perimeters__heading h2 {
  max-width: 850px;
  font-size: clamp(50px, 6.3vw, 94px);
}

.perimeter-list {
  border-top: 1px solid var(--black);
}

.perimeter-list article {
  display: grid;
  grid-template-columns: 80px 0.8fr 1.2fr 40px;
  align-items: center;
  gap: 24px;
  min-height: 150px;
  border-bottom: 1px solid var(--black);
  transition: background 180ms ease, padding 180ms ease;
}

.perimeter-list article:hover {
  padding-inline: 20px;
  background: var(--yellow);
}

.perimeter-list span,
.perimeter-list i {
  font-family: var(--mono);
  font-size: 11px;
  font-style: normal;
}

.perimeter-list h3 {
  font-size: clamp(28px, 3vw, 45px);
}

.perimeter-list p {
  max-width: 550px;
  font-size: 15px;
}

.perimeter-list i {
  justify-self: end;
  font-size: 24px;
}

.method {
  min-height: 100vh;
}

.method__heading {
  padding: clamp(88px, 11vw, 150px) 0 clamp(90px, 12vw, 170px);
}

.loop {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.loop__line {
  position: absolute;
  top: 20px;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--line-dark);
}

.loop__line::after {
  position: absolute;
  top: -4px;
  right: 0;
  width: 9px;
  height: 9px;
  background: var(--yellow);
  content: "";
}

.loop article {
  position: relative;
  padding-top: 58px;
}

.loop article::before {
  position: absolute;
  top: 15px;
  left: 0;
  z-index: 2;
  width: 11px;
  height: 11px;
  border: 1px solid var(--cream);
  background: var(--black);
  content: "";
  transform: rotate(45deg);
}

.loop__last::before {
  border-color: var(--yellow) !important;
  background: var(--yellow) !important;
}

.loop article > span {
  color: var(--grey);
}

.loop h3 {
  margin: 48px 0 18px;
  font-size: clamp(24px, 2.5vw, 37px);
}

.loop p {
  max-width: 190px;
  color: var(--grey);
  font-size: 13px;
  line-height: 1.55;
}

.principles__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(50px, 9vw, 150px);
  padding-top: clamp(90px, 12vw, 170px);
}

.principles__title {
  position: sticky;
  top: 130px;
  align-self: start;
}

.principles__title h2 {
  font-size: clamp(48px, 6vw, 88px);
}

.principles__list {
  border-top: 1px solid var(--black);
}

.principles__list article {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 30px;
  padding: 34px 0 46px;
  border-bottom: 1px solid var(--black);
}

.principles__list h3 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3vw, 42px);
}

.principles__list p {
  max-width: 560px;
  font-size: 15px;
  line-height: 1.6;
}

.skybridge {
  display: grid;
  grid-template-columns: 0.75fr 1.2fr 0.75fr;
  align-items: center;
  gap: clamp(40px, 6vw, 95px);
  min-height: 84vh;
}

.skybridge__mark {
  position: relative;
  min-height: 420px;
}

.skybridge__mark span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc(70px + (var(--i) * 54px));
  height: calc(70px + (var(--i) * 54px));
  border: 1px solid var(--yellow);
  transform: translate(-50%, -50%) rotate(45deg);
}

.skybridge__mark span:nth-child(1) { --i: 0; background: var(--yellow); }
.skybridge__mark span:nth-child(2) { --i: 1; }
.skybridge__mark span:nth-child(3) { --i: 2; }
.skybridge__mark span:nth-child(4) { --i: 3; }
.skybridge__mark span:nth-child(5) { --i: 4; }

.skybridge__copy h2 {
  margin: 20px 0 32px;
  font-size: clamp(50px, 6.2vw, 92px);
}

.skybridge__copy > p:last-child {
  max-width: 660px;
  color: var(--grey);
  font-size: 16px;
  line-height: 1.65;
}

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

.skybridge__facts div {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
}

.skybridge__facts span {
  color: var(--yellow);
  font-family: var(--mono);
  font-size: 10px;
}

.skybridge__facts p {
  font-size: 13px;
}

.faq__layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(50px, 9vw, 150px);
  padding-top: clamp(90px, 12vw, 170px);
}

.faq__layout > h2 {
  font-size: clamp(50px, 6vw, 90px);
}

.faq__layout > h2 em {
  color: var(--black);
}

.faq__items {
  border-top: 1px solid var(--black);
}

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

.faq-item button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 27px 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.faq-item button span {
  font-size: clamp(18px, 1.7vw, 24px);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.faq-item button i {
  color: var(--black);
  font-family: var(--mono);
  font-size: 26px;
  font-style: normal;
  transition: transform 180ms ease;
}

.faq-item button[aria-expanded="true"] i {
  transform: rotate(45deg);
}

.faq-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 240ms ease;
}

.faq-item__answer > p {
  max-width: 680px;
  overflow: hidden;
  font-size: 15px;
  line-height: 1.65;
}

.faq-item.is-open .faq-item__answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-item__answer > p {
  padding-bottom: 30px;
}

.final-cta {
  display: grid;
  min-height: 92vh;
  place-items: center;
  overflow: hidden;
  background: var(--yellow);
  color: var(--black);
  text-align: center;
}

.final-cta__number {
  position: absolute;
  top: 50%;
  left: 50%;
  color: rgba(5, 5, 5, 0.09);
  font-family: var(--serif);
  font-size: min(72vw, 1000px);
  font-style: italic;
  line-height: 0.7;
  transform: translate(-50%, -50%);
}

.final-cta__content {
  position: relative;
  z-index: 2;
  display: flex;
  max-width: 970px;
  flex-direction: column;
  align-items: center;
}

.final-cta h2 {
  margin: 30px 0 34px;
  font-size: clamp(64px, 9.6vw, 144px);
}

.final-cta h2 em {
  color: var(--black);
}

.final-cta__content > p:not(.eyebrow) {
  max-width: 650px;
  margin-bottom: 42px;
  font-size: clamp(16px, 1.5vw, 21px);
  line-height: 1.55;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr auto;
  align-items: end;
  gap: 40px;
  max-width: var(--page);
  margin: 0 auto;
  padding: 64px var(--gutter);
  border-top: 1px solid var(--line-dark);
}

.brand--footer {
  align-self: start;
}

.site-footer > p {
  color: var(--grey);
  font-size: 13px;
}

.site-footer nav {
  display: grid;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.site-footer nav a:hover {
  color: var(--yellow);
}

.site-footer > span {
  color: var(--grey);
  font-family: var(--mono);
  font-size: 10px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms cubic-bezier(0.2, 0.65, 0.1, 1), transform 700ms cubic-bezier(0.2, 0.65, 0.1, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@keyframes hero-arrive {
  from { opacity: 0; transform: scale(1.08); }
  to { opacity: 0.88; transform: scale(1); }
}

@keyframes ticker {
  to { transform: translateX(-50%); }
}

@media (max-width: 1100px) {
  .system {
    grid-template-columns: 1fr;
  }

  .system__intro .section-label {
    margin-bottom: 80px;
  }

  .system__sticky,
  .principles__title {
    position: static;
  }

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

  .system-card:last-child {
    grid-column: 1 / -1;
  }

  .offer-card {
    min-height: 540px;
  }

  .offer-card h3 {
    margin-top: 100px;
  }

  .skybridge {
    grid-template-columns: 0.7fr 1.3fr;
  }

  .skybridge__facts {
    grid-column: 2;
  }
}

@media (max-width: 880px) {
  .site-header {
    height: 72px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 101;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 10px;
    padding: 90px var(--gutter) 40px;
    background: var(--black);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-16px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .site-nav > a:not(.nav-cta) {
    font-family: var(--sans);
    font-size: clamp(34px, 8vw, 58px);
    font-weight: 600;
    letter-spacing: -0.05em;
    line-height: 1;
    text-transform: none;
  }

  .site-nav .nav-cta {
    width: 100%;
    margin-top: 34px;
    justify-content: space-between;
  }

  .hero h1 em {
    padding-left: 0;
  }

  .hero__bottom {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero__bottom .button {
    justify-self: start;
  }

  .hero__visual {
    object-position: 57% center;
  }

  .statement__content,
  .offer__heading,
  .perimeters__heading,
  .principles__grid,
  .faq__layout {
    grid-template-columns: 1fr;
  }

  .statement__content > p,
  .offer__heading > p,
  .perimeters__heading > p {
    max-width: 600px;
  }

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

  .offer-card {
    min-height: auto;
  }

  .offer-card + .offer-card {
    border-top: 0;
    border-left: 1px solid var(--black);
  }

  .offer-card h3 {
    min-height: auto;
    margin-top: 100px;
  }

  .offer-card > p {
    min-height: auto;
  }

  .perimeter-list article {
    grid-template-columns: 50px 0.8fr 1.2fr 30px;
  }

  .loop {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 64px;
  }

  .loop__line {
    display: none;
  }

  .skybridge {
    grid-template-columns: 0.5fr 1fr;
  }

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

@media (max-width: 620px) {
  :root {
    --section-space: 82px;
  }

  .section-label {
    padding-bottom: 12px;
    font-size: 9px;
  }

  .brand {
    font-size: 18px;
  }

  .brand__mark {
    width: 32px;
  }

  .hero {
    min-height: 820px;
  }

  .hero__headline {
    top: 130px;
  }

  .hero h1 {
    font-size: clamp(55px, 16vw, 78px);
    line-height: 0.86;
  }

  .hero__visual {
    top: 135px;
    height: 68%;
    object-position: 58% center;
  }

  .hero__shade {
    background: linear-gradient(180deg, rgba(5, 5, 5, 0.56) 0%, rgba(5, 5, 5, 0.14) 42%, rgba(5, 5, 5, 0.98) 78%);
  }

  .hero__bottom {
    bottom: 32px;
  }

  .hero__bottom > p {
    font-size: 17px;
  }

  .hero__bottom .button {
    width: 100%;
    min-width: 0;
    gap: 12px;
    padding-left: 14px;
    font-size: 10px;
  }

  .hero__bottom .button__icon {
    flex: 0 0 42px;
  }

  .hero__index {
    display: none;
  }

  .marquee__track {
    gap: 18px;
  }

  .statement {
    min-height: auto;
  }

  .statement__content {
    padding-top: 80px;
  }

  .statement h2,
  .offer__heading h2,
  .method__heading h2,
  .manifesto h2,
  .perimeters__heading h2,
  .principles__title h2,
  .skybridge__copy h2,
  .faq__layout > h2 {
    font-size: clamp(44px, 13vw, 65px);
  }

  .system__sticky h2 {
    font-size: 48px;
  }

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

  .system-card,
  .system-card:last-child {
    grid-column: auto;
  }

  .system-card {
    min-height: 330px;
    padding: 20px;
  }

  .system-card__symbol {
    font-size: 78px;
  }

  .system-card h3 {
    font-size: 38px;
  }

  .offer__heading,
  .perimeters__heading {
    padding-block: 74px 54px;
  }

  .offer-card {
    padding: 21px;
  }

  .offer-card h3 {
    margin-top: 76px;
    font-size: 40px;
  }

  .manifesto {
    min-height: 840px;
  }

  .manifesto__copy > p {
    font-size: 10px;
  }

  .perimeter-list article {
    grid-template-columns: 34px 1fr 26px;
    gap: 12px;
    min-height: 0;
    padding: 24px 0;
  }

  .perimeter-list h3 {
    font-size: 29px;
  }

  .perimeter-list p {
    grid-column: 2 / -1;
    padding-right: 20px;
  }

  .perimeter-list i {
    grid-column: 3;
    grid-row: 1;
  }

  .perimeter-list article:hover {
    padding-inline: 10px;
  }

  .method__heading {
    padding-block: 76px 90px;
  }

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

  .loop article {
    padding-top: 36px;
  }

  .loop article::before {
    top: 0;
  }

  .loop h3 {
    margin-top: 28px;
  }

  .principles__grid,
  .faq__layout {
    padding-top: 76px;
  }

  .principles__list article {
    grid-template-columns: 34px 1fr;
    gap: 12px;
  }

  .skybridge {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .skybridge__mark {
    min-height: 300px;
  }

  .skybridge__facts {
    grid-column: auto;
  }

  .final-cta {
    min-height: 820px;
  }

  .final-cta h2 {
    font-size: clamp(56px, 16vw, 84px);
  }

  .final-cta .button {
    width: 100%;
    min-width: 0;
  }

  .site-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

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

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

}

@media print {
  .skip-link,
  .site-header,
  .marquee {
    display: none !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .section {
    break-inside: avoid;
  }
}