@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/NotoSansSC-400.woff2") format("woff2");
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/NotoSansSC-600.woff2") format("woff2");
}
:root {
  --paper: #f7f7f5;
  --ink: #151515;
  --blue: #315cfc;
  --muted: #626771;
  --line: #d9dde5;
  --soft: #edf0ff;
  --white: #fff;
  --phi: 1.61803398875;
  --s1: 13px;
  --s2: 21px;
  --s3: 34px;
  --s4: 55px;
  --s5: 89px;
  color-scheme: light;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 34px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 21px;
  font-weight: 400;
  line-height: 1.618;
  -webkit-font-smoothing: antialiased;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3,
strong {
  font-weight: 600;
}
a {
  color: inherit;
  text-decoration: none;
}
svg {
  display: block;
  width: 100%;
  height: auto;
}
svg path {
  stroke-linecap: round;
  stroke-linejoin: round;
}
::selection {
  background: #dfe5ff;
  color: var(--ink);
}
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 6px;
  border-radius: 2px;
}
.wrap {
  width: calc(100% - 96px);
  max-width: 1200px;
  margin-inline: auto;
}
.blue,
.eyebrow {
  color: var(--blue);
}
.muted {
  color: var(--muted);
}
.eyebrow {
  font-size: 13px;
  line-height: 20px;
  letter-spacing: 1.3px;
  font-weight: 600;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  left: 24px;
  top: 13px;
  padding: 13px 21px;
  background: var(--ink);
  color: var(--white);
  z-index: 5;
  transform: translateY(-200%);
  font-size: 17px;
}
.skip-link:focus {
  transform: translateY(0);
}
.site-header {
  height: 89px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 21px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-icon {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: var(--blue);
  stroke-width: 3;
}
.brand-turn {
  stroke-width: 2;
}
.brand-copy {
  display: flex;
  flex-direction: column;
}
.brand-copy strong {
  font-size: 20px;
  line-height: 27px;
}
.brand-copy > span {
  font-size: 10px;
  line-height: 17px;
  letter-spacing: 2px;
  color: var(--muted);
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 48px;
  font-size: 14px;
}
.site-header nav a {
  padding-block: 12px;
}
.site-header nav a:hover {
  color: var(--blue);
}
.nav-mobile {
  display: none;
}
.golden-grid {
  display: grid;
  grid-template-columns: minmax(0, 708fr) minmax(0, 437fr);
  gap: 55px;
}
.hero {
  padding: 55px 0;
}
.hero-main {
  align-items: center;
  min-height: 550px;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 21px;
  min-width: 0;
}
h1 {
  font-size: 89px;
  line-height: 1.48;
  letter-spacing: -2px;
}
h1 span {
  display: block;
  white-space: nowrap;
}
.hero-description {
  font-size: 21px;
  line-height: 1.618;
  color: var(--muted);
  min-height: 89px;
}
.mobile-break {
  display: none;
}
.button {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 13px;
  width: 233px;
  min-height: 55px;
  padding: 13px 21px;
  background: var(--blue);
  color: var(--white);
  border-radius: 3px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  transition:
    background-color 0.18s ease,
    transform 0.18s ease;
}
.button svg {
  width: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  flex-shrink: 0;
}
.button:hover {
  background: #2348dc;
  transform: translateY(-2px);
}
.button:focus-visible {
  outline-color: var(--ink);
}
.hero-art {
  width: 100%;
  aspect-ratio: 1;
  position: relative;
}
.fib-art {
  position: absolute;
  left: 3.9%;
  top: 12.6%;
  width: 92.2%;
  overflow: visible;
}
.fib-grid {
  stroke: var(--line);
  stroke-width: 0.075;
}
.fib-spiral {
  stroke: var(--blue);
  stroke-width: 0.3;
}
.art-message {
  position: absolute;
  left: 13%;
  top: 52.4%;
  font-size: 34px;
  line-height: 55px;
  font-weight: 600;
  letter-spacing: 2px;
}
.art-caption {
  position: absolute;
  left: 3.9%;
  bottom: 7.5%;
  font-size: 11px;
  line-height: 22px;
  color: var(--muted);
  letter-spacing: 1.8px;
}
.hero-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 21px;
  min-height: 34px;
  margin-top: 34px;
  color: var(--muted);
  font-size: 13px;
}
.hero-bottom > a {
  font-size: 11px;
  letter-spacing: 1.5px;
}
.hero-bottom > a span {
  margin-left: 8px;
}
.section {
  padding-block: 89px;
}
.cycle {
  background: var(--white);
}
.section-heading {
  align-items: end;
}
.section-heading .eyebrow {
  margin-bottom: 21px;
}
h2 {
  font-size: 55px;
  line-height: 1.45;
  letter-spacing: -1.2px;
}
.section-intro {
  font-size: 21px;
  color: var(--muted);
  line-height: 1.618;
}
.cycle-body {
  display: grid;
  grid-template-columns: minmax(0, 437fr) minmax(0, 708fr);
  gap: 55px;
  align-items: center;
  margin-top: 55px;
}
.loop-art {
  position: relative;
  padding-bottom: 21px;
}
.loop-art svg {
  overflow: visible;
}
.loop-inner,
.loop-outer {
  fill: none;
}
.loop-inner {
  stroke: var(--line);
}
.loop-outer,
.loop-nodes {
  stroke: var(--blue);
  stroke-width: 2.1;
}
.loop-nodes {
  fill: var(--white);
}
.loop-arrows {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2.1;
}
.loop-numbers {
  fill: var(--blue);
  text-anchor: middle;
  font-size: 13px;
}
.loop-center {
  font-size: 34px;
  font-weight: 600;
  text-anchor: middle;
  fill: var(--ink);
}
.loop-art figcaption {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  line-height: 24px;
  margin-top: -38px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.steps li {
  border-top: 1px solid var(--line);
  padding-top: 13px;
  min-height: 212px;
}
.step-number {
  display: block;
  color: var(--blue);
  font-size: 13px;
  line-height: 22px;
  letter-spacing: 0.7px;
}
.steps h3 {
  font-size: 34px;
  line-height: 55px;
  margin-block: 13px;
}
.steps p {
  font-size: 21px;
  color: var(--muted);
  line-height: 1.618;
}
.loop-return {
  display: none;
}
.meaning > .wrap > .eyebrow {
  margin-bottom: 34px;
}
.meaning-heading {
  align-items: center;
  min-height: 144px;
  margin-bottom: 34px;
}
.meaning-heading h2 {
  font-size: 89px;
  line-height: 1.5;
  letter-spacing: -1.5px;
}
.meanings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 55px;
}
.meanings article {
  border-top: 1px solid var(--line);
  padding-top: 21px;
  min-height: 233px;
}
.meanings h3 {
  font-size: 34px;
  line-height: 55px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 13px;
  margin-block: 21px;
}
.meanings h3 svg {
  width: 28px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.4;
}
.meanings article > p:last-child {
  font-size: 21px;
  color: var(--muted);
  line-height: 1.618;
}
.closing {
  background: var(--ink);
  color: var(--white);
  padding-block: 89px;
}
.closing-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 34px;
  min-height: 199px;
}
.closing-content > p {
  font-size: 55px;
  line-height: 1.45;
  letter-spacing: -1px;
  font-weight: 600;
}
.back-top {
  display: flex;
  flex-direction: column;
  gap: 13px;
  align-items: center;
  flex-shrink: 0;
  color: #c6c8ce;
  font-size: 12px;
  min-width: 100px;
}
.back-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  transition: background-color 0.18s ease;
}
.back-icon svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
}
.back-top:hover .back-icon {
  background: #2348dc;
}
.site-footer {
  background: var(--ink);
  color: #c6c8ce;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 21px;
  min-height: 144px;
  border-top: 1px solid #363940;
  font-size: 12px;
}
.footer-brand strong {
  color: var(--white);
}
.footer-brand .brand-copy > span {
  color: #c6c8ce;
}
.filing {
  padding-block: 12px;
}
.filing:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.footer-mobile-name,
.footer-mobile-tag {
  display: none;
}
.not-found {
  min-height: 100svh;
  display: flex;
  align-items: center;
}
.not-found .eyebrow {
  margin-bottom: 21px;
}
.not-found h1 {
  font-size: 55px;
  white-space: normal;
  line-height: 1.45;
}
.not-found p:not(.eyebrow) {
  color: var(--muted);
  margin-block: 21px 34px;
}
@media (min-width: 1100px) {
  .cycle {
    min-height: 892px;
  }
  .meaning {
    min-height: 643px;
  }
}
@media (min-width: 701px) and (max-width: 1099px) {
  .golden-grid {
    gap: 34px;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
  h1 {
    font-size: clamp(55px, 6.18vw, 76px);
  }
  .hero-description,
  .section-intro,
  .steps p,
  .meanings article > p:last-child {
    font-size: 18px;
  }
  .desktop-break {
    display: none;
  }
  .hero-main {
    min-height: 500px;
  }
  .hero-art .art-message {
    font-size: clamp(21px, 2.36vw, 34px);
  }
  .hero-bottom {
    margin-top: 21px;
  }
  h2,
  .closing-content > p {
    font-size: clamp(34px, 4vw, 55px);
  }
  .cycle-body {
    gap: 34px;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr);
  }
  .steps {
    gap: 21px;
  }
  .steps h3,
  .meanings h3 {
    font-size: 28px;
  }
  .meaning-heading h2 {
    font-size: 76px;
  }
  .footer-content {
    flex-wrap: wrap;
    padding-block: 21px;
    min-height: 144px;
  }
  .site-header nav {
    gap: 34px;
  }
}
@media (min-width: 701px) and (max-width: 900px) {
  .cycle-body {
    grid-template-columns: 1fr;
  }
  .loop-art {
    width: 342px;
    margin-inline: auto;
  }
}
@media (max-width: 700px) {
  html {
    scroll-padding-top: 21px;
  }
  body {
    font-size: 18px;
  }
  .wrap {
    width: calc(100% - 48px);
  }
  .site-header {
    gap: 13px;
  }
  .site-header nav {
    font-size: 12px;
    gap: 27px;
  }
  .nav-desktop {
    display: none;
  }
  .nav-mobile {
    display: inline;
  }
  .brand-copy strong {
    font-size: 20px;
  }
  .brand {
    gap: 12px;
  }
  .golden-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: stretch;
  }
  .hero {
    padding-block: 34px 55px;
  }
  .hero-main {
    min-height: 0;
  }
  .hero-copy {
    gap: 21px;
  }
  h1 {
    font-size: clamp(44px, 14.103vw, 55px);
    line-height: 1.48;
    letter-spacing: -1.2px;
  }
  .hero-description {
    font-size: 18px;
    min-height: 110px;
    line-height: 1.7;
  }
  .mobile-break {
    display: block;
  }
  .desktop-break {
    display: none;
  }
  .hero-art {
    width: 100%;
    height: 300px;
    aspect-ratio: auto;
    margin-top: 55px;
  }
  .fib-art {
    left: 5%;
    top: 11.3%;
    width: 90%;
  }
  .art-message {
    top: 55.3%;
    left: 22%;
    font-size: 21px;
    line-height: 40px;
  }
  .art-caption {
    left: 5%;
    bottom: 4%;
    font-size: 11px;
    letter-spacing: 1px;
  }
  .hero-bottom {
    margin-top: 55px;
    min-height: 24px;
  }
  .hero-bottom > a {
    display: none;
  }
  .section {
    padding-block: 55px 89px;
  }
  .section-heading .eyebrow {
    margin-bottom: 21px;
  }
  h2 {
    font-size: 34px;
    line-height: 1.45;
    letter-spacing: -0.6px;
  }
  .section-intro {
    font-size: 17px;
    line-height: 1.8;
  }
  .section-heading .section-intro {
    margin-top: 34px;
  }
  .cycle-body {
    display: block;
    margin-top: 55px;
  }
  .loop-art {
    display: none;
  }
  .steps-container {
    position: relative;
    padding-right: 26px;
  }
  .steps {
    display: flex;
    flex-direction: column;
    gap: 21px;
  }
  .steps li {
    display: flex;
    position: relative;
    gap: 13px;
    border: 0;
    padding: 0;
    min-height: 144px;
  }
  .steps li::before {
    content: "";
    position: absolute;
    top: 29px;
    bottom: 0;
    left: 15px;
    width: 1px;
    background: var(--line);
  }
  .step-number {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--soft);
    text-align: center;
    font-size: 13px;
    line-height: 32px;
    letter-spacing: 0;
  }
  .step-en {
    display: none;
  }
  .steps h3 {
    font-size: 21px;
    line-height: 34px;
    margin: 0 0 13px;
  }
  .steps p {
    font-size: 17px;
    line-height: 1.618;
  }
  .loop-return {
    display: block;
    position: absolute;
    top: 16px;
    bottom: 30px;
    right: 1px;
    width: 15px;
    border: solid var(--blue);
    border-width: 1.4px 1.4px 1.4px 0;
  }
  .loop-return > span {
    position: absolute;
    left: -6px;
    top: -18px;
    color: var(--blue);
    font-size: 24px;
    line-height: 30px;
    transform: rotate(-45deg);
  }
  .meaning {
    padding-block: 55px;
  }
  .meaning > .wrap > .eyebrow {
    margin-bottom: 21px;
  }
  .meaning-heading {
    min-height: 0;
    margin-bottom: 55px;
    gap: 34px;
  }
  .meaning-heading h2 {
    font-size: 55px;
    line-height: 84px;
  }
  .meaning-heading .section-intro {
    font-size: 18px;
    line-height: 1.7;
  }
  .meanings {
    display: flex;
    flex-direction: column;
    gap: 21px;
  }
  .meanings article {
    min-height: 233px;
  }
  .meanings h3 {
    font-size: 34px;
    line-height: 55px;
    margin-block: 21px;
  }
  .meanings article > p:last-child {
    font-size: 18px;
    line-height: 1.7;
  }
  .closing {
    padding-block: 55px;
  }
  .closing-content {
    min-height: 199px;
    flex-direction: column;
    align-items: flex-start;
    gap: 34px;
  }
  .closing-content > p {
    font-size: 34px;
    line-height: 1.45;
    letter-spacing: -0.6px;
  }
  .back-top {
    flex-direction: row;
    gap: 16px;
  }
  .back-icon {
    width: 48px;
    height: 48px;
  }
  .back-icon svg {
    width: 28px;
    height: 28px;
  }
  .footer-content {
    min-height: 200px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 13px;
    padding-block: 21px;
    font-size: 11px;
  }
  .footer-brand > .brand-icon,
  .footer-brand .brand-copy > span,
  .footer-desktop-tag {
    display: none;
  }
  .footer-mobile-name,
  .footer-mobile-tag {
    display: inline;
  }
  .footer-brand .brand-copy strong {
    font-size: 18px;
    line-height: 29px;
  }
  .filing {
    font-size: 11px;
    padding-block: 8px;
  }
  .not-found h1 {
    font-size: 34px;
  }
}
@media (max-width: 359px) {
  .site-header nav {
    gap: 18px;
  }
  .brand {
    gap: 7px;
  }
  .brand-copy strong {
    font-size: 18px;
  }
  .brand-icon {
    width: 28px;
    height: 28px;
  }
  .hero-description {
    font-size: 17px;
    min-height: 116px;
  }
  .hero-description br,
  .meanings article > p:last-child br {
    display: none;
  }
  .art-message {
    top: 48%;
    left: 19%;
  }
  .steps p {
    font-size: 16px;
  }
  .meanings h3,
  .closing-content > p {
    font-size: 30px;
  }
  .eyebrow {
    letter-spacing: 1px;
  }
  .section-intro {
    font-size: 16px;
  }
  .hero-art {
    height: 270px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
  .button:hover {
    transform: none;
  }
}