:root {
  /* 原始色阶 */
  --color-paper-100: #f4eee2;
  --color-paper-200: #e7ddcc;
  --color-ink-900: #25221f;
  --color-ink-700: #4d4841;
  --color-rust-600: #a6533b;
  --color-rust-500: #bd6b50;
  --color-slate-500: #738285;
  --color-moss-500: #697360;
  --color-paper-white: #fbf7ee;
  --color-rule: rgba(37, 34, 31, 0.22);
  --color-rule-light: rgba(251, 247, 238, 0.25);

  /* 语义色 */
  --page-background: var(--color-paper-100);
  --section-background: var(--color-paper-100);
  --ink: var(--color-ink-900);
  --muted-ink: var(--color-ink-700);
  --accent: var(--color-rust-600);
  --secondary-accent: var(--color-slate-500);
  --dark-background: var(--color-ink-900);
  --dark-ink: var(--color-paper-white);

  /* 字体系统 */
  --font-display: "STKaiti", "KaiTi", "DFKai-SB", "FangSong", serif;
  --font-reading: "Songti SC", "STSong", "SimSun", "FangSong", serif;
  --font-label: "Arial Narrow", "Aptos Narrow", "Bahnschrift", sans-serif;

  --page-pad: clamp(1.25rem, 5.5vw, 6.75rem);
  --content-width: 1180px;
  --reading-width: 620px;
  color: var(--ink);
  background: var(--page-background);
  font-family: var(--font-reading);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--page-background);
}

body::before {
  position: fixed;
  z-index: 10;
  inset: 0;
  pointer-events: none;
  opacity: 0.12;
  content: "";
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)' opacity='.3'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

body::after {
  position: fixed;
  z-index: 0;
  top: 0;
  bottom: 0;
  left: max(1.25rem, calc((100vw - var(--content-width)) / 2));
  width: 1px;
  pointer-events: none;
  background: var(--color-rule);
  content: "";
}

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

button {
  color: inherit;
  font: inherit;
}

.section-frame {
  position: relative;
  z-index: 1;
  width: min(var(--content-width), calc(100% - (var(--page-pad) * 2)));
  margin-right: auto;
  margin-left: auto;
}

.site-header {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(var(--content-width), calc(100% - (var(--page-pad) * 2)));
  min-height: 86px;
  margin: 0 auto;
  border-bottom: 1px solid var(--color-rule);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  justify-self: start;
}

.brand-glyph {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
}

.brand-copy,
.issue-note,
.site-nav,
.eyebrow,
.note-label,
.route-time,
.moment-caption,
.question-kicker,
.footer-meta {
  font-family: var(--font-label);
  font-size: 0.63rem;
  letter-spacing: 0.12em;
}

.brand-copy {
  color: var(--muted-ink);
  font-size: 0.7rem;
}

.site-nav {
  display: flex;
  gap: clamp(1.1rem, 3.3vw, 3.4rem);
  justify-self: center;
}

.site-nav a {
  position: relative;
  padding: 0.5rem 0;
  color: var(--muted-ink);
  font-size: 1rem;
  font-weight: bold;
  transition: color 220ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.1rem;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--accent);
}

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

.issue-note {
  display: flex;
  justify-self: end;
  gap: 1rem;
  color: var(--muted-ink);
  font-size: 0.6rem;
  text-transform: uppercase;
}

.reading-progress {
  position: fixed;
  z-index: 8;
  top: 0;
  right: 0;
  bottom: 0;
  width: 3px;
  background: rgba(37, 34, 31, 0.08);
}

.reading-progress-bar {
  display: block;
  width: 100%;
  height: calc(var(--scroll-progress, 0) * 100%);
  background: var(--accent);
  transition: height 120ms linear;
}

.hero {
  position: relative;
  z-index: 1;
  color: var(--dark-ink);
  background: var(--dark-background);
}

.hero-inner {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) minmax(250px, 0.66fr);
  grid-template-rows: minmax(630px, calc(100svh - 86px)) auto;
  gap: 2rem;
  align-items: center;
  width: min(var(--content-width), calc(100% - (var(--page-pad) * 2)));
  padding-right: clamp(1.5rem, 4vw, 4.5rem);
  padding-left: clamp(1.5rem, 4vw, 4.5rem);
  margin: 0 auto;
}

.hero-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  justify-content: space-between;
  padding: 3.2rem 0 1.6rem;
  color: rgba(251, 247, 238, 0.5);
  font-family: var(--font-label);
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
}

.hero-rail--left {
  border-right: 1px solid var(--color-rule-light);
}

.rail-line {
  display: block;
  width: 1px;
  height: 120px;
  background: var(--color-rust-500);
}

.hero-main {
  align-self: center;
  max-width: 670px;
  padding: 4rem 0 3rem;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 2rem;
  color: var(--accent);
  line-height: 1.4;
}

.eyebrow::before {
  display: inline-block;
  width: 18px;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero h1 {
  margin: 0;
  color: var(--color-paper-white);
  font-family: var(--font-display);
  font-size: clamp(4rem, 8.4vw, 7.9rem);
  font-weight: 400;
  letter-spacing: -0.18em;
  line-height: 0.88;
}

.hero h1 > span {
  display: block;
}

.title-indent {
  margin-left: clamp(2.6rem, 8vw, 7.2rem);
}

.hero h1 .title-ink {
  margin-top: 0.28em;
  color: var(--color-rust-500);
  font-family: var(--font-reading);
  font-size: 0.63em;
  letter-spacing: -0.13em;
}

.hero-summary {
  margin: 2.4rem 0 2.8rem;
  color: rgba(251, 247, 238, 0.7);
  font-size: clamp(1rem, 1.6vw, 1.28rem);
  line-height: 2.05;
}

.read-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--color-paper-white);
  font-family: var(--font-label);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  transition: color 220ms ease;
}

.read-link-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--color-rust-500);
  border-radius: 50%;
  color: var(--color-rust-500);
  font-size: 1rem;
  transition: background-color 220ms ease, color 220ms ease, transform 220ms ease;
}

.read-link:hover {
  color: var(--color-rust-500);
}

.read-link:hover .read-link-mark {
  background: var(--color-rust-500);
  color: var(--dark-background);
  transform: translateY(4px);
}

.hero-art {
  position: relative;
  align-self: center;
  justify-self: end;
  width: min(31vw, 360px);
  aspect-ratio: 0.8;
  margin-top: 3rem;
  transform: translate3d(0, var(--hero-art-shift, 0px), 0);
  will-change: transform;
}

.art-frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 1px solid rgba(251, 247, 238, 0.45);
}

.art-frame::before {
  position: absolute;
  top: 14%;
  right: 13%;
  bottom: 12%;
  left: 13%;
  border: 1px solid rgba(251, 247, 238, 0.2);
  content: "";
}

.art-date {
  position: absolute;
  top: 1.2rem;
  left: 1.4rem;
  color: var(--color-rust-500);
  font-family: var(--font-reading);
  font-size: 1rem;
}

.art-character {
  position: absolute;
  top: 19%;
  right: 20%;
  color: var(--color-paper-white);
  font-family: var(--font-display);
  font-size: clamp(9rem, 18vw, 16rem);
  line-height: 1;
  opacity: 0.92;
}

.art-caption {
  position: absolute;
  bottom: 1.4rem;
  left: 1.4rem;
  color: rgba(251, 247, 238, 0.6);
  font-family: var(--font-label);
  font-size: 0.49rem;
  letter-spacing: 0.18em;
  line-height: 1.7;
}

.art-sun {
  position: absolute;
  top: 21%;
  left: 15%;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-rust-500);
  border-radius: 50%;
}

.art-sun::after {
  position: absolute;
  top: 50%;
  right: -20px;
  width: 20px;
  height: 1px;
  background: var(--color-rust-500);
  content: "";
}

.art-note {
  position: absolute;
  right: -2.7rem;
  bottom: 1.8rem;
  color: rgba(251, 247, 238, 0.55);
  font-family: var(--font-reading);
  font-size: 0.82rem;
  line-height: 1.9;
  writing-mode: vertical-rl;
}

.hero-bottom {
  grid-column: 2 / -1;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 0 1.6rem;
  border-top: 1px solid var(--color-rule-light);
  color: rgba(251, 247, 238, 0.48);
  font-family: var(--font-label);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

.hero-bottom-rule {
  flex: 1;
  height: 1px;
  background: var(--color-rust-500);
  opacity: 0.7;
}

.opening {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) 180px;
  gap: 2rem;
  align-items: start;
  min-height: 560px;
  padding-top: 9.5rem;
  padding-bottom: 9rem;
}

.opening-number {
  color: var(--accent);
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
}

.opening-copy {
  max-width: 760px;
  padding-right: clamp(0rem, 4vw, 4rem);
}

.opening blockquote {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.13em;
  line-height: 1.25;
}

.opening-note {
  margin: 3.2rem 0 0;
  color: var(--muted-ink);
  font-size: 1rem;
  line-height: 2;
}

.opening-side-note {
  align-self: end;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--accent);
  color: var(--muted-ink);
  font-family: var(--font-reading);
  font-size: 0.82rem;
  writing-mode: vertical-rl;
}

.chapter {
  padding-top: 8.5rem;
  padding-bottom: 7rem;
}

.chapter--now {
  border-top: 1px solid var(--color-rule);
  background: var(--color-paper-200);
}

.chapter--joy {
  background: var(--page-background);
}

.chapter--future {
  width: 100%;
  margin: 0;
  color: var(--dark-ink);
  background: var(--secondary-accent);
}

.section-marker {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--accent);
  font-family: var(--font-label);
}

.chapter--future .section-marker {
  color: var(--color-paper-white);
}

.marker-number {
  font-family: var(--font-reading);
  font-size: 1rem;
}

.marker-label {
  font-size: 0.63rem;
  letter-spacing: 0.2em;
}

.marker-line {
  display: block;
  width: 64px;
  height: 1px;
  margin-left: 0.4rem;
  background: currentColor;
  opacity: 0.55;
}

.chapter-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 10vw, 10rem);
  padding-top: 5rem;
  padding-right: clamp(1rem, 3vw, 3.5rem);
  padding-left: clamp(1rem, 3vw, 3.5rem);
}

.chapter-heading h2,
.small-heading h2,
.question-body h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(3.1rem, 6vw, 6.2rem);
  font-weight: 400;
  letter-spacing: -0.14em;
  line-height: 1.13;
}

.chapter--future .chapter-heading h2,
.question-body h2 {
  color: var(--dark-ink);
}

.chapter-heading h2 em,
.small-heading h2 em,
.question-body h2 em {
  color: var(--accent);
  font-family: var(--font-reading);
  font-size: 0.78em;
  font-style: normal;
  letter-spacing: -0.1em;
}

.chapter--future .chapter-heading h2 em,
.question-body h2 em {
  color: var(--color-paper-white);
}

.heading-aside {
  margin: 4rem 0 0;
  color: var(--muted-ink);
  font-family: var(--font-label);
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  line-height: 1.8;
}

.chapter--future .heading-aside {
  color: rgba(251, 247, 238, 0.58);
}

.chapter-copy {
  align-self: end;
  max-width: var(--reading-width);
  padding-right: clamp(0rem, 2vw, 2rem);
}

.copy-lead {
  max-width: 580px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.35rem, 2.2vw, 1.9rem);
  letter-spacing: -0.06em;
  line-height: 1.8;
}

.copy-body {
  max-width: 510px;
  margin: 2.2rem 0 0;
  color: var(--muted-ink);
  font-size: 0.98rem;
  line-height: 2.05;
}

.chapter--future .copy-lead {
  color: var(--dark-ink);
}

.copy-body--light {
  color: rgba(251, 247, 238, 0.72);
}

.practice-note {
  position: relative;
  max-width: 500px;
  margin: 4.5rem 0 0 auto;
  transform: translateX(clamp(0rem, 2vw, 2.2rem));
  padding: 1.5rem 1.7rem 1.6rem;
  border-top: 3px solid var(--accent);
  border-right: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  border-left: 1px solid var(--color-rule);
}

.note-label {
  color: var(--accent);
}

.practice-note h3 {
  margin: 1.6rem 0 0.55rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: -0.08em;
}

.practice-note p {
  max-width: 330px;
  margin: 0;
  color: var(--muted-ink);
  font-size: 0.87rem;
  line-height: 1.9;
}

.note-sign {
  display: block;
  margin-top: 1.5rem;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.82rem;
}

.chapter-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 5.5rem;
  margin-right: clamp(1rem, 3vw, 3.5rem);
  margin-left: clamp(1rem, 3vw, 3.5rem);
  padding-top: 1.3rem;
  border-top: 1px solid var(--color-rule);
  color: var(--muted-ink);
  font-family: var(--font-label);
  font-size: 0.58rem;
  letter-spacing: 0.13em;
}

.chapter-footer--light {
  border-color: var(--color-rule-light);
  color: rgba(251, 247, 238, 0.6);
}

.chapter--future .section-frame {
  padding-top: 8.5rem;
  padding-bottom: 7rem;
}

.future-route {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin: 4rem 0 0 clamp(0rem, 1vw, 1rem);
  padding-top: 1.1rem;
}

.future-route::before {
  position: absolute;
  top: 1.35rem;
  right: 10%;
  left: 0;
  height: 1px;
  background: var(--color-rule-light);
  content: "";
}

.route-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 170px;
}

.route-dot {
  z-index: 1;
  display: block;
  width: 9px;
  height: 9px;
  margin: 0 0 1.35rem 0.05rem;
  border: 1px solid var(--color-paper-white);
  border-radius: 50%;
  background: var(--secondary-accent);
}

.route-item--active .route-dot {
  border-color: var(--color-paper-white);
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--secondary-accent);
}

.route-time {
  color: rgba(251, 247, 238, 0.58);
}

.route-item strong {
  margin-top: 0.85rem;
  color: var(--dark-ink);
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 400;
}

.route-item small {
  margin-top: 0.65rem;
  color: rgba(251, 247, 238, 0.65);
  font-family: var(--font-reading);
  font-size: 0.8rem;
  line-height: 1.75;
}

.joy-list {
  max-width: var(--reading-width);
  margin: 4rem 0 0;
  padding: 0;
  list-style: none;
}

.joy-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 32px;
  gap: 1rem;
  align-items: start;
  padding: 1.4rem 0 1.7rem;
  border-top: 1px solid var(--color-rule);
}

.joy-item:last-child {
  border-bottom: 1px solid var(--color-rule);
}

.joy-index {
  padding-top: 0.4rem;
  color: var(--accent);
  font-family: var(--font-label);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.joy-item h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 400;
  letter-spacing: -0.07em;
}

.joy-item p {
  margin: 0.55rem 0 0;
  color: var(--muted-ink);
  font-size: 0.83rem;
  line-height: 1.8;
}

.joy-arrow {
  padding-top: 0.2rem;
  color: var(--accent);
  font-family: var(--font-label);
  font-size: 1.3rem;
  transition: transform 220ms ease;
}

.joy-item:hover .joy-arrow {
  transform: translate(4px, -4px);
}

.small-section {
  padding-top: 10rem;
  padding-bottom: 11rem;
}

.small-heading {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 3rem;
  align-items: end;
  margin-bottom: 5rem;
  padding: 0 clamp(1rem, 3vw, 3.5rem);
}

.small-heading .eyebrow {
  margin-bottom: 2.5rem;
}

.small-intro {
  margin: 0 0 0.4rem;
  color: var(--muted-ink);
  font-size: 0.95rem;
  line-height: 2;
}

.moments {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0 clamp(1rem, 3vw, 3.5rem);
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}

.moment {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 1.5rem 1.6rem 1.7rem;
  border-right: 1px solid var(--color-rule);
}

.moment:first-child {
  padding-left: 0;
}

.moment:last-child {
  border-right: 0;
}

.moment--first {
  color: var(--accent);
}

.moment-number {
  font-family: var(--font-reading);
  font-size: 1rem;
}

.moment p {
  margin: auto 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  letter-spacing: -0.09em;
  line-height: 1.55;
}

.moment-caption {
  align-self: flex-start;
  padding-top: 0.8rem;
  border-top: 1px solid currentColor;
  color: var(--muted-ink);
}

.moment--first .moment-caption {
  color: var(--accent);
}

.question-section {
  position: relative;
  z-index: 1;
  width: 100%;
  color: var(--dark-ink);
  background: var(--dark-background);
}

.question-inner {
  padding-right: clamp(1rem, 3vw, 3.5rem);
  padding-left: clamp(1rem, 3vw, 3.5rem);
  padding-top: 5.5rem;
  padding-bottom: 6.5rem;
}

.question-kicker {
  display: flex;
  justify-content: space-between;
  color: var(--color-rust-500);
  text-transform: uppercase;
}

.question-body {
  position: relative;
  max-width: 960px;
  margin: 6.5rem auto 0;
  padding-left: 5.3rem;
}

.question-mark {
  position: absolute;
  top: -2.6rem;
  left: -0.8rem;
  color: var(--color-rust-500);
  font-family: var(--font-display);
  font-size: 8rem;
  line-height: 1;
}

.question-body h2 {
  font-size: clamp(3rem, 6.3vw, 6.5rem);
}

.question-button {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 3.2rem;
  padding: 0.7rem 0;
  border: 0;
  border-bottom: 1px solid var(--color-rust-500);
  background: transparent;
  color: var(--color-rust-500);
  cursor: pointer;
  font-family: var(--font-label);
  font-size: 0.64rem;
  letter-spacing: 0.13em;
  transition: gap 220ms ease, color 220ms ease;
}

.question-button span:last-child {
  font-size: 1.4rem;
  line-height: 0.5;
  transition: transform 380ms ease;
}

.question-button:hover {
  gap: 1.45rem;
  color: var(--color-paper-white);
}

.question-button:hover span:last-child {
  transform: rotate(180deg);
}

.question-response {
  max-width: 470px;
  margin: 1.6rem 0 0;
  color: rgba(251, 247, 238, 0.62);
  font-size: 0.95rem;
  line-height: 1.9;
}

.question-response.is-changing {
  animation: response-in 380ms ease both;
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  border-top: 1px solid var(--color-rule);
  padding-top: 2rem;
  padding-bottom: 2.4rem;
  padding-right: clamp(1rem, 3vw, 3.5rem);
  padding-left: clamp(1rem, 3vw, 3.5rem);
  color: var(--ink);
  background: var(--page-background);
}

.footer-brand {
  display: flex;
  align-items: end;
  gap: 2rem;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.09em;
  line-height: 1.25;
}

.footer-title em {
  color: var(--color-rust-500);
  font-family: var(--font-reading);
  font-style: normal;
}

.footer-sentence {
  padding-bottom: 0.15rem;
  color: var(--muted-ink);
  font-size: 0.8rem;
}

.footer-meta {
  display: flex;
  align-items: end;
  gap: 1.5rem;
  color: var(--muted-ink);
  font-size: 0.85rem;
}

.footer-meta a {
  color: var(--color-rust-500);
  transition: color 200ms ease;
}

.footer-meta a:hover {
  color: var(--ink);
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms cubic-bezier(0.2, 0.75, 0.25, 1), transform 700ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.js-enabled .text-char {
  display: inline-block;
  opacity: 0;
  transform: translate3d(0, 0.72em, 0) rotate(2deg);
  transform-origin: 50% 100%;
  will-change: opacity, transform;
}

.js-enabled .text-char.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) rotate(0);
}

.hero-summary [data-animate-text] {
  display: inline-block;
}

.js-enabled .section-marker .marker-line {
  transform: scaleX(0.25);
  transform-origin: left;
  transition: transform 900ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.js-enabled .section-marker.is-visible .marker-line {
  transform: scaleX(1);
}

.js-enabled .reveal--delayed {
  transition-delay: 120ms;
}

.js-enabled .reveal--delayed-more {
  transition-delay: 220ms;
}

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

@keyframes response-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  body::after {
    display: none;
  }

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

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
    gap: 1.3rem;
    padding-bottom: 0.8rem;
  }

  .issue-note {
    align-self: start;
    padding-top: 0.7rem;
  }

  .hero-inner {
    grid-template-columns: 46px minmax(0, 1fr) minmax(220px, 0.7fr);
    grid-template-rows: minmax(620px, calc(100svh - 125px)) auto;
    padding-right: 1.5rem;
    padding-left: 1.5rem;
  }

  .hero-main {
    padding-top: 3.5rem;
  }

  .hero-art {
    width: min(29vw, 290px);
  }

  .opening {
    grid-template-columns: 46px minmax(0, 1fr) 100px;
  }

  .chapter-grid {
    gap: 4.5rem;
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .small-heading {
    grid-template-columns: 1fr 0.65fr;
  }
}

@media (max-width: 640px) {
  :root {
    --page-pad: 1.25rem;
  }

  .site-header {
    display: flex;
    flex-wrap: wrap;
    min-height: 116px;
    padding-top: 0.7rem;
  }

  .brand-glyph {
    font-size: 1.65rem;
  }

  .brand-copy {
    font-size: 0.62rem;
  }

  .issue-note {
    margin-left: auto;
    padding-top: 0;
  }

  .site-nav {
    order: 3;
    width: 100%;
    padding-top: 0.35rem;
  }

  .site-nav a {
    font-size: 0.64rem;
  }

  .hero-inner {
    display: block;
    width: calc(100% - 2.5rem);
    min-height: 0;
    padding-right: 0;
    padding-left: 0;
    padding-bottom: 1.4rem;
  }

  .hero-rail {
    display: none;
  }

  .hero-main {
    min-height: 560px;
    padding: 5rem 0 2rem;
  }

  .hero h1 {
    font-size: clamp(3.5rem, 16vw, 5.8rem);
    letter-spacing: -0.16em;
  }

  .title-indent {
    margin-left: 2.3rem;
  }

  .hero-summary {
    margin-top: 2rem;
    font-size: 0.95rem;
  }

  .hero-art {
    width: min(62vw, 260px);
    margin: 0 2.3rem 3.5rem auto;
  }

  .art-character {
    font-size: 10rem;
  }

  .art-note {
    right: -2rem;
  }

  .hero-bottom {
    gap: 0.65rem;
    font-size: 0.52rem;
  }

  .opening {
    display: block;
    min-height: 0;
    padding-top: 6rem;
    padding-bottom: 6.5rem;
  }

  .opening-copy {
    margin-top: 2rem;
  }

  .opening blockquote {
    font-size: clamp(2.35rem, 11vw, 3.7rem);
  }

  .opening-note {
    margin-top: 2.5rem;
    font-size: 0.9rem;
  }

  .opening-side-note {
    display: inline-block;
    margin-top: 3.5rem;
    padding: 0 0 0.5rem;
    writing-mode: initial;
  }

  .chapter,
  .chapter--future .section-frame {
    padding-top: 6rem;
    padding-bottom: 5.5rem;
  }

  .chapter-grid {
    display: block;
    padding-top: 3.5rem;
    padding-right: 0;
    padding-left: 0;
  }

  .chapter-copy {
    margin-top: 3.7rem;
  }

  .chapter-heading h2,
  .small-heading h2,
  .question-body h2 {
    font-size: clamp(2.85rem, 13vw, 4.4rem);
  }

  .heading-aside {
    margin-top: 2rem;
  }

  .copy-lead {
    font-size: 1.3rem;
  }

  .copy-body {
    font-size: 0.92rem;
  }

  .practice-note {
    margin-top: 3.3rem;
    transform: none;
  }

  .chapter-footer {
    margin-top: 4rem;
    font-size: 0.52rem;
  }

  .future-route {
    gap: 0.5rem;
    margin-top: 3rem;
  }

  .route-item strong {
    font-size: 1.35rem;
  }

  .route-item small {
    font-size: 0.72rem;
  }

  .small-section {
    padding-top: 7rem;
    padding-bottom: 8rem;
  }

  .small-heading {
    display: block;
    margin-bottom: 3.5rem;
    padding-right: 0;
    padding-left: 0;
  }

  .small-heading .eyebrow {
    margin-bottom: 2rem;
  }

  .small-intro {
    margin-top: 2rem;
    font-size: 0.9rem;
  }

  .moments {
    display: block;
    margin-right: 0;
    margin-left: 0;
  }

  .moment,
  .moment:first-child {
    min-height: 220px;
    padding: 1.4rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--color-rule);
  }

  .moment:last-child {
    border-bottom: 0;
  }

  .question-inner {
    padding-right: 0;
    padding-left: 0;
    padding-top: 3.5rem;
    padding-bottom: 4.5rem;
  }

  .question-body {
    margin-top: 5.5rem;
    padding-left: 1.2rem;
  }

  .question-mark {
    top: -3.4rem;
    left: -0.7rem;
    font-size: 5.6rem;
  }

  .question-body h2 {
    font-size: clamp(2.8rem, 13vw, 4.5rem);
  }

  .question-kicker {
    font-size: 0.56rem;
  }

  .site-footer {
    display: block;
    width: calc(100% - 2.5rem);
    padding-right: 0;
    padding-left: 0;
    padding-bottom: 2rem;
  }

  .footer-brand {
    display: block;
  }

  .footer-sentence {
    display: block;
    margin-top: 1.5rem;
    font-size: 0.75rem;
  }

  .footer-meta {
    display: block;
    margin-top: 2.8rem;
    font-size: 0.52rem;
    line-height: 2.2;
  }

  .footer-meta a {
    display: block;
  }
}

@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;
  }
}