:root {
  --ink: #151815;
  --ink-soft: #283029;
  --paper: #f5f5ef;
  --paper-deep: #e6e8de;
  --line: rgba(21, 24, 21, 0.17);
  --line-light: rgba(245, 245, 239, 0.2);
  --lime: #d7ff55;
  --lime-deep: #b6dc39;
  --orange: #eb704e;
  --serif: Iowan Old Style, Baskerville, Georgia, Times New Roman, serif;
  --sans: Inter, Avenir Next, Avenir, BlinkMacSystemFont, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", "Microsoft YaHei UI", monospace;
  --content: min(100% - 80px, 1440px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  color: inherit;
  font: inherit;
}

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

::selection {
  background: var(--lime);
  color: var(--ink);
}

.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;
  z-index: 100;
  top: 12px;
  left: 12px;
  transform: translateY(-150%);
  padding: 10px 14px;
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
}

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

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 50%;
  display: flex;
  width: var(--content);
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  transform: translateX(-50%);
  color: var(--paper);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.055em;
}

.brand-mark {
  color: var(--lime);
  font-family: var(--serif);
  font-size: 1.28em;
  font-style: italic;
  font-weight: 700;
  letter-spacing: -0.12em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
  color: rgba(245, 245, 239, 0.78);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav > a:not(.nav-cta):not(.language-switch) {
  position: relative;
}

.site-nav > a:not(.nav-cta):not(.language-switch)::after {
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--lime);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav > a:not(.nav-cta):not(.language-switch):hover::after,
.site-nav > a:not(.nav-cta):not(.language-switch):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta,
.language-switch {
  padding: 9px 13px;
  border: 1px solid var(--line-light);
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
}

.language-switch {
  padding-inline: 11px;
  color: var(--lime);
}

.language-switch:hover,
.language-switch:focus-visible {
  border-color: var(--lime);
  background: rgba(215, 255, 85, 0.1);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  min-height: min(900px, 100svh);
  grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.98fr);
  gap: clamp(40px, 7vw, 128px);
  align-items: center;
  padding: 150px max(40px, calc((100vw - 1440px) / 2)) 76px;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}

.hero::before {
  position: absolute;
  right: -14vw;
  bottom: -40vw;
  width: min(78vw, 1100px);
  aspect-ratio: 1;
  border: 1px solid rgba(215, 255, 85, 0.16);
  border-radius: 50%;
  content: "";
}

.hero::after {
  position: absolute;
  top: 18%;
  left: -12%;
  width: 34%;
  height: 44%;
  background: radial-gradient(circle, rgba(235, 112, 78, 0.16), transparent 68%);
  content: "";
  filter: blur(8px);
}

.hero-copy,
.hero-art {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 740px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.085em;
  line-height: 1.25;
  text-transform: uppercase;
}

.eyebrow > span {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(215, 255, 85, 0.1);
}

.hero h1 {
  max-width: 750px;
  margin-top: 23px;
  font-family: var(--serif);
  font-size: clamp(50px, 5.55vw, 91px);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

h1 em,
h2 em {
  color: var(--lime);
  font-style: italic;
}

.hero-lede {
  max-width: 570px;
  margin-top: 34px;
  color: rgba(245, 245, 239, 0.7);
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  align-items: center;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 13px 17px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: -0.01em;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

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

.button--light {
  background: var(--lime);
  color: var(--ink);
}

.button--light:hover,
.button--light:focus-visible {
  background: #ecffb1;
}

.button--dark {
  min-width: 172px;
  background: var(--ink);
  color: var(--paper);
}

.button--dark:hover,
.button--dark:focus-visible {
  background: var(--ink-soft);
}

.text-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid rgba(245, 245, 239, 0.38);
  color: var(--paper);
  font-size: 12px;
  font-weight: 700;
  line-height: 2.1;
  transition: border-color 160ms ease, color 160ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}

.hero-art {
  max-width: 590px;
  min-height: 520px;
  justify-self: end;
  padding: 22px;
  overflow: hidden;
  background: #eff2e9;
  color: var(--ink);
  box-shadow: 23px 23px 0 rgba(215, 255, 85, 0.94);
}

.art-topline,
.art-footnote {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #4d574f;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
}

.signal-field {
  position: relative;
  display: grid;
  min-height: 402px;
  place-items: center;
  isolation: isolate;
}

.signal {
  position: absolute;
  border: 1px solid rgba(21, 24, 21, 0.24);
  border-radius: 50%;
}

.signal--one {
  width: 82%;
  aspect-ratio: 1;
  border-color: rgba(235, 112, 78, 0.86);
  transform: translate(-7%, 4%);
}

.signal--two {
  width: 65%;
  aspect-ratio: 1;
  border-color: rgba(21, 24, 21, 0.48);
  transform: translate(11%, -12%);
}

.signal--three {
  width: 43%;
  aspect-ratio: 1;
  border-color: rgba(21, 24, 21, 0.64);
  transform: translate(-16%, 14%);
}

.signal-core {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(248px, 58%);
  min-height: 248px;
  flex-direction: column;
  justify-content: center;
  padding: 22px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 12px 13px 0 var(--ink);
  text-align: center;
}

.signal-core span {
  color: #496017;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-core strong {
  display: block;
  margin: 2px 0 11px;
  font-family: var(--serif);
  font-size: clamp(25px, 2.5vw, 36px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.art-footnote {
  justify-content: center;
  align-items: center;
  gap: 9px;
}

.art-footnote i {
  width: 25px;
  height: 1px;
  background: #829080;
}

.hero-index {
  position: absolute;
  z-index: 1;
  right: max(40px, calc((100vw - 1440px) / 2));
  bottom: 38px;
  color: rgba(245, 245, 239, 0.45);
  font-family: var(--serif);
  font-size: 20px;
  font-style: italic;
}

.section-wrap {
  width: var(--content);
  margin-inline: auto;
}

.section-label {
  display: flex;
  gap: 12px;
  align-items: center;
  color: #556057;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.075em;
  line-height: 1.3;
  text-transform: uppercase;
}

.section-label span:first-child {
  color: var(--orange);
}

.statement {
  display: grid;
  grid-template-columns: minmax(170px, 0.65fr) minmax(0, 2.35fr);
  gap: clamp(40px, 7vw, 155px);
  padding-top: clamp(110px, 13vw, 204px);
  padding-bottom: clamp(110px, 12vw, 190px);
}

.statement-content h2,
.standard h2,
.loop h2,
.machine h2,
.v1 h2,
.principle h2,
.closing h2 {
  font-family: var(--serif);
  font-size: clamp(43px, 5vw, 78px);
  font-weight: 400;
  letter-spacing: -0.064em;
  line-height: 0.98;
}

.statement-content h2 em,
.standard h2 em,
.loop h2 em,
.machine h2 em,
.v1 h2 em,
.principle h2 em,
.closing h2 em {
  color: var(--orange);
}

.statement-copy {
  display: grid;
  max-width: 810px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 5vw, 80px);
  margin-top: 55px;
}

.statement-copy p {
  color: #3e4740;
  font-size: 17px;
  line-height: 1.62;
}

.standard {
  padding-block: clamp(100px, 11vw, 174px);
  border-top: 1px solid var(--line);
}

.standard-intro {
  display: grid;
  grid-template-columns: minmax(170px, 0.65fr) minmax(0, 2.35fr);
  gap: clamp(40px, 7vw, 155px);
}

.standard-intro h2 {
  max-width: 750px;
}

.standard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 88px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.standard-card {
  min-height: 300px;
  padding: 30px 30px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background-color 200ms ease, transform 200ms ease;
}

.standard-card:hover {
  background: #ecefe2;
  transform: translateY(-5px);
}

.card-number {
  display: block;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.standard-card h3 {
  max-width: 280px;
  margin-top: 68px;
  font-family: var(--serif);
  font-size: clamp(27px, 2.3vw, 38px);
  font-weight: 400;
  letter-spacing: -0.057em;
  line-height: 0.98;
}

.standard-card p {
  max-width: 310px;
  margin-top: 18px;
  color: #475049;
  font-size: 14px;
  line-height: 1.58;
}

.loop {
  display: grid;
  grid-template-columns: minmax(230px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(60px, 10vw, 192px);
  padding-block: clamp(110px, 14vw, 220px);
}

.loop-heading {
  position: sticky;
  top: 44px;
  align-self: start;
}

.loop-heading h2 {
  margin-top: 36px;
}

.loop-heading p {
  max-width: 390px;
  margin-top: 34px;
  color: #4a544d;
  font-size: 16px;
  line-height: 1.6;
}

.loop-list {
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.loop-step {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 18px;
  min-height: 130px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  transition: padding 180ms ease, background-color 180ms ease;
}

.loop-step:hover {
  padding-inline: 16px;
  background: #ebeee3;
}

.loop-step > span {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.loop-step h3 {
  font-family: var(--serif);
  font-size: clamp(27px, 2.4vw, 39px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 1;
}

.loop-step p {
  margin-top: 8px;
  color: #4c574e;
  font-size: 14px;
  line-height: 1.45;
}

.machine {
  padding-bottom: clamp(110px, 13vw, 200px);
}

.machine-panel {
  padding: clamp(46px, 7vw, 106px);
  background: var(--orange);
  color: var(--ink);
}

.machine .eyebrow {
  color: var(--ink);
}

.machine .eyebrow > span {
  background: var(--ink);
  box-shadow: 0 0 0 5px rgba(21, 24, 21, 0.09);
}

.machine h2 {
  max-width: 930px;
  margin-top: 38px;
}

.machine h2 em {
  color: #fdf9ee;
}

.machine-panel > p:not(.eyebrow) {
  max-width: 615px;
  margin-top: 42px;
  color: #38231d;
  font-size: 18px;
  line-height: 1.62;
}

.machine-rule {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: end;
  margin-top: 72px;
  padding-top: 18px;
  border-top: 1px solid rgba(21, 24, 21, 0.3);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.075em;
  line-height: 1.4;
  text-transform: uppercase;
}

.machine-rule strong {
  font-family: var(--serif);
  font-size: clamp(25px, 2.8vw, 45px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.95;
  text-align: center;
  text-transform: none;
}

.machine-rule span:last-child {
  text-align: right;
}

.v1 {
  padding-block: clamp(110px, 13vw, 205px);
  border-top: 1px solid var(--line);
}

.v1-heading {
  display: grid;
  grid-template-columns: minmax(170px, 0.65fr) minmax(0, 2.35fr);
  gap: clamp(40px, 7vw, 155px);
}

.v1-card {
  margin-top: 88px;
  padding: 22px 28px 29px;
  background: var(--ink);
  color: var(--paper);
}

.v1-card-top,
.v1-card-bottom {
  display: flex;
  justify-content: space-between;
  gap: 25px;
  color: rgba(245, 245, 239, 0.63);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
}

.v1-card-main {
  display: grid;
  min-height: 390px;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.7fr);
  gap: 65px;
  align-items: center;
  padding: 40px 0;
}

.v1-question {
  color: var(--lime);
  font-family: var(--serif);
  font-size: clamp(75px, 12vw, 177px);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.09em;
  line-height: 0.8;
}

.v1-card-main > p:last-child {
  max-width: 425px;
  color: rgba(245, 245, 239, 0.74);
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 1.58;
}

.v1-card-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--line-light);
}

.v1-card-bottom div {
  display: grid;
  gap: 7px;
}

.v1-card-bottom strong {
  max-width: 330px;
  color: var(--paper);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.4;
}

.principle {
  display: grid;
  grid-template-columns: minmax(170px, 0.65fr) minmax(0, 2.35fr);
  gap: clamp(40px, 7vw, 155px);
  padding-bottom: clamp(110px, 14vw, 222px);
}

.principle-content {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(200px, 0.72fr);
  gap: clamp(35px, 6vw, 100px);
}

.principle-content p {
  align-self: end;
  color: #465048;
  font-size: 16px;
  line-height: 1.64;
}

.closing {
  display: flex;
  min-height: 530px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding-block: 80px;
  border-top: 1px solid var(--line);
}

.closing h2 {
  margin-top: 34px;
}

.site-footer {
  display: grid;
  width: var(--content);
  min-height: 100px;
  grid-template-columns: 1fr auto auto;
  gap: 30px;
  align-items: center;
  margin-inline: auto;
  border-top: 1px solid var(--line);
  color: #556057;
  font-size: 11px;
}

.site-footer .brand {
  color: var(--ink);
}

.site-footer p:last-child {
  text-align: right;
}

.site-footer a:not(.brand) {
  color: var(--orange);
  font-weight: 700;
}

.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms cubic-bezier(0.2, 0.65, 0.2, 1), transform 650ms cubic-bezier(0.2, 0.65, 0.2, 1);
}

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

.js .standard-card.reveal.is-visible,
.js .loop-step.reveal.is-visible {
  transition-delay: var(--reveal-delay, 0ms);
}

@media (max-width: 1040px) {
  :root {
    --content: min(100% - 56px, 1440px);
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.85fr);
    gap: 42px;
  }

  .hero-art {
    min-height: 465px;
  }

  .signal-field {
    min-height: 350px;
  }

  .standard-card {
    min-height: 270px;
    padding-inline: 22px;
  }

  .principle-content {
    grid-template-columns: 1fr;
  }

  .principle-content p {
    max-width: 490px;
  }
}

@media (max-width: 820px) {
  :root {
    --content: min(100% - 40px, 1440px);
  }

  body.menu-open {
    overflow: hidden;
  }

  .site-header {
    min-height: 74px;
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: grid;
    width: 42px;
    height: 42px;
    padding: 11px 8px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }

  .menu-toggle > span:not(.sr-only) {
    display: block;
    width: 100%;
    height: 1px;
    background: var(--paper);
    transition: transform 180ms ease;
  }

  .menu-toggle[aria-expanded="true"] > span:nth-of-type(2) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] > span:nth-of-type(3) {
    transform: rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    z-index: 1;
    inset: 0;
    display: none;
    width: 100vw;
    height: 100svh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 29px;
    padding: 96px 10vw 50px;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--serif);
    font-size: clamp(35px, 11vw, 58px);
    font-weight: 400;
    letter-spacing: -0.05em;
    line-height: 1;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav > a:not(.nav-cta):not(.language-switch)::after {
    bottom: -8px;
  }

  .nav-cta,
  .language-switch {
    padding: 0;
    border: 0;
    color: var(--lime);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0;
  }

  .hero {
    display: flex;
    min-height: auto;
    flex-direction: column;
    align-items: stretch;
    padding: 137px 20px 63px;
  }

  .hero-copy {
    width: min(100%, 680px);
  }

  .hero h1 {
    font-size: clamp(51px, 14.3vw, 75px);
  }

  .hero-art {
    width: min(100% - 15px, 590px);
    min-height: 405px;
    margin-top: 18px;
    padding: 17px;
    align-self: flex-end;
    box-shadow: 15px 15px 0 var(--lime);
  }

  .signal-field {
    min-height: 314px;
  }

  .hero-index {
    display: none;
  }

  .statement,
  .standard-intro,
  .v1-heading,
  .principle {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .statement-content h2,
  .standard h2,
  .loop h2,
  .machine h2,
  .v1 h2,
  .principle h2,
  .closing h2 {
    font-size: clamp(44px, 12vw, 67px);
  }

  .statement-copy {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 37px;
  }

  .statement-copy p {
    font-size: 16px;
  }

  .standard-grid {
    grid-template-columns: 1fr;
    margin-top: 52px;
  }

  .standard-card {
    min-height: 220px;
  }

  .standard-card h3 {
    margin-top: 38px;
  }

  .loop {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .loop-heading {
    position: static;
  }

  .loop-step {
    min-height: 116px;
  }

  .machine-panel {
    margin-inline: -20px;
    padding: 48px 20px;
  }

  .machine-rule {
    grid-template-columns: 1fr;
    gap: 13px;
    margin-top: 46px;
  }

  .machine-rule strong,
  .machine-rule span:last-child {
    text-align: left;
  }

  .v1-card {
    margin-top: 48px;
    margin-inline: -20px;
    padding: 18px 20px 21px;
  }

  .v1-card-main {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 44px;
    padding: 68px 0 56px;
  }

  .v1-question {
    font-size: clamp(79px, 23vw, 145px);
  }

  .v1-card-bottom {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .principle-content {
    gap: 32px;
  }

  .closing {
    min-height: 440px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    padding-block: 70px 48px;
  }

  .site-footer {
    min-height: 150px;
    grid-template-columns: 1fr auto;
    align-content: center;
    gap: 16px;
  }

  .site-footer > p:nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 430px) {
  :root {
    --content: min(100% - 32px, 1440px);
  }

  .hero {
    padding-inline: 16px;
  }

  .hero-art {
    width: calc(100% - 12px);
  }

  .signal-core {
    width: min(220px, 61%);
    min-height: 220px;
  }

  .signal-core strong {
    font-size: 28px;
  }

  .art-footnote {
    gap: 6px;
    font-size: 8px;
  }

  .art-footnote i {
    width: 14px;
  }

  .machine-panel,
  .v1-card {
    margin-inline: -16px;
    padding-inline: 16px;
  }

  .loop-step {
    grid-template-columns: 51px 1fr;
  }
}

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

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

html[lang="zh-Hans"] .hero h1 {
  font-size: clamp(50px, 4.45vw, 64px);
  letter-spacing: -0.055em;
  line-height: 1.04;
}

@media (max-width: 820px) {
  html[lang="zh-Hans"] .hero h1 {
    font-size: clamp(39px, 10.3vw, 48px);
    line-height: 1.12;
  }
}