:root {
  --paper: #f0eadf;
  --paper-bright: #faf7f0;
  --paper-deep: #e4dccd;
  --ink: #111514;
  --ink-soft: #303734;
  --muted: #6a716b;
  --line: rgba(17, 21, 20, 0.18);
  --line-strong: rgba(17, 21, 20, 0.42);
  --signal: #dc442d;
  --signal-deep: #a82e20;
  --data: #557779;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "Iowan Old Style", serif;
  --sans: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "IBM Plex Sans", sans-serif;
  --mono: "SFMono-Regular", "IBM Plex Mono", "Roboto Mono", monospace;
  --shell: min(1480px, calc(100% - 48px));
  --masthead: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 89% 8%, rgba(220, 68, 45, 0.09), transparent 31rem),
    radial-gradient(circle at 8% 52%, rgba(85, 119, 121, 0.08), transparent 38rem),
    var(--paper);
  font-family: var(--sans);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  content: "";
  opacity: 0.055;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 3px, rgba(17, 21, 20, 0.2) 3px 4px),
    repeating-linear-gradient(0deg, transparent 0 5px, rgba(17, 21, 20, 0.12) 5px 6px);
  mix-blend-mode: multiply;
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }
::selection { color: var(--paper-bright); background: var(--signal); }

.skip {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.6rem 0.8rem;
  color: var(--paper-bright);
  background: var(--ink);
  transform: translateY(-160%);
}
.skip:focus { transform: translateY(0); }

.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--masthead);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(18px) saturate(120%);
}

.masthead__inner {
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr);
  align-items: center;
  width: var(--shell);
  height: 100%;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  width: max-content;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.brand__mark {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: var(--paper-bright);
  background: var(--signal);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.masthead__edition {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.nav {
  display: flex;
  justify-content: flex-end;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.nav a { position: relative; padding: 0.4rem 0; }

.nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease-out;
}

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

.hero {
  position: relative;
  min-height: calc(100svh - var(--masthead));
  border-bottom: 1px solid var(--line-strong);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 7rem);
  width: var(--shell);
  min-height: calc(100svh - var(--masthead));
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 6.5rem) 0 clamp(6.5rem, 12vh, 9rem);
}

.hero__copy { position: relative; z-index: 2; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--signal-deep);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  content: "";
  background: var(--signal);
  box-shadow: 0 0 0 5px rgba(220, 68, 45, 0.11);
  animation: pulse 2.4s ease-out infinite;
}

.display-title {
  max-width: 7.2ch;
  margin: 1rem 0 1.2rem;
  font-family: var(--serif);
  font-size: clamp(4rem, 9.5vw, 9.6rem);
  font-weight: 680;
  letter-spacing: -0.085em;
  line-height: 0.92;
}

.display-title .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.7em) rotate(1.5deg);
  animation: title-in 780ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero__lede {
  max-width: 37rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.45vw, 1.25rem);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2.2rem;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 48px;
  padding: 0 1.15rem;
  color: var(--paper-bright);
  background: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: background 180ms ease-out, transform 180ms ease-out;
}

.primary-link::after { content: "↗"; font-size: 1rem; }
.primary-link:hover { background: var(--signal); transform: translateY(-2px); }

.text-link {
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.hero__visual { position: relative; align-self: stretch; min-height: 520px; }
.signal-map { position: absolute; inset: 0; display: grid; place-items: center; }

.signal-map::before {
  position: absolute;
  width: min(30rem, 80%);
  aspect-ratio: 1;
  border: 1px solid rgba(17, 21, 20, 0.12);
  border-radius: 50%;
  content: "";
}

.signal-map svg { width: 100%; height: 100%; overflow: visible; }
.signal-map .contour { fill: none; stroke: rgba(17, 21, 20, 0.24); stroke-width: 0.8; }
.signal-map .route {
  fill: none;
  stroke: var(--signal);
  stroke-linecap: round;
  stroke-width: 1.5;
  stroke-dasharray: 8 7;
  animation: route-dash 18s linear infinite;
}
.signal-map .node { fill: var(--paper-bright); stroke: var(--ink); stroke-width: 1.2; }
.signal-map .node--hot { fill: var(--signal); stroke: var(--paper-bright); }
.signal-map .pulse {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1;
  transform-origin: center;
  animation: map-pulse 2.8s ease-out infinite;
}
.signal-map text {
  fill: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}
.signal-map .label-strong { fill: var(--ink); font-size: 10px; font-weight: 700; }

.hero__latest {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  min-height: 96px;
  padding: 1rem max(24px, calc((100vw - var(--shell)) / 2));
  border-top: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--paper-bright) 88%, transparent);
  backdrop-filter: blur(15px);
}

.hero__latest time {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
}

.hero__latest strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2vw, 1.55rem);
  line-height: 1.25;
}

.hero__latest p {
  display: -webkit-box;
  margin: 0.35rem 0 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.85rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

.hero__latest span {
  color: var(--signal-deep);
  font-family: var(--mono);
  font-size: 0.72rem;
  white-space: nowrap;
}

.section { width: var(--shell); margin: 0 auto; padding: clamp(4rem, 9vw, 8rem) 0; }

.section-head {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 3rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line-strong);
}

.section-kicker {
  color: var(--signal-deep);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 5.2rem);
  font-weight: 650;
  letter-spacing: -0.06em;
  line-height: 1;
}

.section-head p {
  justify-self: end;
  max-width: 38rem;
  margin: 0;
  color: var(--muted);
}

.coverage {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.coverage__item {
  min-height: 172px;
  padding: 1.5rem;
  border-right: 1px solid var(--line);
}
.coverage__item:last-child { border-right: 0; }
.coverage__item small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.coverage__item strong {
  display: block;
  margin-top: 1.1rem;
  font-family: var(--serif);
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  font-weight: 620;
  letter-spacing: -0.06em;
  line-height: 0.9;
}
.coverage__item p { margin: 1rem 0 0; color: var(--muted); font-size: 0.82rem; }

.issue {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.32fr);
  gap: clamp(2.5rem, 6vw, 7rem);
}

.issue__feature { display: grid; grid-template-columns: 118px minmax(0, 1fr); gap: clamp(1.5rem, 3vw, 3rem); }
.issue__number {
  color: var(--signal);
  font-family: var(--serif);
  font-size: clamp(4rem, 8vw, 8rem);
  letter-spacing: -0.08em;
  line-height: 0.8;
}
.issue__feature h3 {
  max-width: 15ch;
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.2vw, 4.3rem);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 1.08;
}
.issue__feature > div > p { max-width: 48rem; margin: 0 0 1.6rem; color: var(--muted); }

.fact-stack { border-top: 1px solid var(--line-strong); }
.fact {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}
.fact span { color: var(--signal); font-family: var(--mono); font-size: 0.7rem; font-weight: 700; }
.fact p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  font-size: 0.92rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.issue-archive { padding-left: 1.5rem; border-left: 1px solid var(--line-strong); }
.issue-archive h3 {
  margin: 0 0 1.25rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.archive-row {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  transition: color 160ms ease-out, padding-left 180ms ease-out;
}
.archive-row:hover { padding-left: 0.5rem; color: var(--signal-deep); }
.archive-row time { color: var(--muted); font-family: var(--mono); font-size: 0.68rem; }
.archive-row strong { font-size: 0.88rem; line-height: 1.45; }

.method {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.method__column { min-height: 230px; padding: 1.6rem; border-right: 1px solid var(--line); }
.method__column:last-child { border-right: 0; }
.method__column span { color: var(--signal); font-family: var(--mono); font-size: 0.72rem; }
.method__column h3 {
  margin: 1.3rem 0 0.7rem;
  font-family: var(--serif);
  font-size: 1.75rem;
  line-height: 1.15;
}
.method__column p { margin: 0; color: var(--muted); font-size: 0.86rem; }

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--ink);
  color: var(--paper-bright);
}
.ticker__track {
  display: flex;
  width: max-content;
  padding: 0.85rem 0;
  animation: ticker 34s linear infinite;
}
.ticker__track span {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-right: 2.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.ticker__track span::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  content: "";
  background: var(--signal);
}

.footer {
  width: var(--shell);
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
  color: var(--muted);
  font-size: 0.75rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.footer strong { color: var(--ink); font-family: var(--mono); letter-spacing: 0.08em; }

.article-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 90;
  width: var(--progress, 0%);
  height: 2px;
  background: var(--signal);
}

.article-hero {
  width: var(--shell);
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 8rem) 0 3rem;
  border-bottom: 1px solid var(--line-strong);
}
.article-hero__meta {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.article-hero h1 {
  max-width: 15ch;
  margin: 1rem 0 1.5rem;
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 640;
  letter-spacing: -0.075em;
  line-height: 0.98;
}
.article-hero__lede {
  max-width: 58rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.7vw, 1.3rem);
}

.article-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 310px;
  gap: clamp(2rem, 5vw, 6rem);
  width: var(--shell);
  margin: 0 auto;
  padding: 4rem 0 7rem;
}

.article-rail,
.ledger { position: sticky; top: calc(var(--masthead) + 2rem); align-self: start; }
.article-rail small,
.ledger small {
  color: var(--signal-deep);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.toc { margin: 1rem 0 2rem; padding: 0; list-style: none; }
.toc li { padding: 0.55rem 0; border-bottom: 1px solid var(--line); }
.toc a { color: var(--muted); font-size: 0.76rem; line-height: 1.45; }
.toc a:hover { color: var(--signal-deep); }

.article-meta-list { color: var(--muted); font-size: 0.72rem; }
.article-meta-list div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
}
.article-meta-list strong { color: var(--ink); font-weight: 650; }

.prose {
  min-width: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.06rem, 1.3vw, 1.18rem);
  line-height: 1.95;
}
.prose > p:first-of-type::first-letter {
  float: left;
  margin: 0.12em 0.12em 0 0;
  color: var(--signal);
  font-size: 4.2em;
  font-weight: 700;
  line-height: 0.8;
}
.prose h2,
.prose h3 { scroll-margin-top: calc(var(--masthead) + 2rem); }
.prose h2 {
  margin: 4.5rem 0 1.2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-strong);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 640;
  letter-spacing: -0.045em;
  line-height: 1.15;
}
.prose h3 {
  margin: 2.7rem 0 0.8rem;
  color: var(--signal-deep);
  font-size: 1.25rem;
}
.prose p { margin: 1rem 0; }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose li { margin: 0.75rem 0; padding-left: 0.35rem; }
.prose li::marker { color: var(--signal); }
.prose strong { color: var(--ink); font-weight: 720; }
.prose a {
  border-bottom: 1px solid rgba(168, 46, 32, 0.45);
  color: var(--signal-deep);
}
.prose a:hover { color: var(--signal); border-bottom-color: currentColor; }
.prose blockquote {
  margin: 3rem 0;
  padding: 2rem 0 2rem 2.5rem;
  border-left: 2px solid var(--signal);
  color: var(--ink);
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.4;
}
.prose code {
  padding: 0.12rem 0.32rem;
  border: 1px solid var(--line);
  background: rgba(17, 21, 20, 0.045);
  font-family: var(--mono);
  font-size: 0.78em;
}
.prose pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 1.2rem;
  border-left: 3px solid var(--signal);
  color: var(--paper-bright);
  background: var(--ink);
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.7;
}
.prose pre code { padding: 0; border: 0; color: inherit; background: transparent; }
.prose table {
  display: block;
  width: 100%;
  margin: 2rem 0;
  overflow-x: auto;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.82rem;
}
.prose th, .prose td {
  min-width: 9rem;
  padding: 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.prose th {
  color: var(--ink);
  border-bottom-color: var(--line-strong);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ledger { border-top: 2px solid var(--ink); }
.ledger__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-strong);
}
.ledger__head span { color: var(--muted); font-family: var(--mono); font-size: 0.68rem; }
.ledger details { border-bottom: 1px solid var(--line); }
.ledger summary {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 720;
  list-style: none;
}
.ledger summary::-webkit-details-marker { display: none; }
.ledger summary::after { content: "+"; color: var(--signal); }
.ledger details[open] summary::after { content: "−"; }
.ledger ul { margin: 0 0 1rem; padding: 0; list-style: none; }
.ledger li {
  position: relative;
  padding: 0 0 0.8rem 0.85rem;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.55;
}
.ledger li::before {
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  content: "";
  background: var(--signal);
}

.article-next {
  width: var(--shell);
  margin: 0 auto 5rem;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.article-next__link {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
}
.article-next time { color: var(--signal); font-family: var(--mono); font-size: 0.72rem; }
.article-next strong {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 3rem);
  font-weight: 620;
}
.article-next span:last-child { color: var(--muted); font-family: var(--mono); font-size: 0.7rem; }

.archive-hero {
  width: var(--shell);
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 8rem) 0 3rem;
  border-bottom: 1px solid var(--line-strong);
}
.archive-hero h1 {
  max-width: 9ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(4rem, 10vw, 10rem);
  font-weight: 640;
  letter-spacing: -0.08em;
  line-height: 0.9;
}
.archive-list { width: var(--shell); margin: 0 auto; padding: 2rem 0 7rem; }
.archive-entry {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 90px;
  gap: 2rem;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 180ms ease-out, color 180ms ease-out;
}
.archive-entry:hover { padding-left: 0.7rem; color: var(--signal-deep); }
.archive-entry time, .archive-entry span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
}
.archive-entry h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.6vw, 2.4rem);
  font-weight: 620;
  line-height: 1.2;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms ease-out, transform 650ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.empty { padding: 5rem 0; color: var(--muted); }

@keyframes title-in { to { opacity: 1; transform: translateY(0) rotate(0); } }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(220, 68, 45, 0.25); }
  70% { box-shadow: 0 0 0 12px rgba(220, 68, 45, 0); }
  100% { box-shadow: 0 0 0 0 rgba(220, 68, 45, 0); }
}
@keyframes route-dash { to { stroke-dashoffset: -150; } }
@keyframes map-pulse {
  0% { opacity: 0.9; r: 7; }
  100% { opacity: 0; r: 31; }
}
@keyframes ticker { to { transform: translateX(-50%); } }

@media (max-width: 1100px) {
  :root { --shell: min(100% - 36px, 1120px); }
  .hero__inner { grid-template-columns: 1fr; gap: 0; padding-bottom: 8rem; }
  .hero__visual { min-height: 420px; order: 2; }
  .hero__copy { padding-top: 1rem; }
  .article-layout { grid-template-columns: minmax(0, 1fr) 280px; }
  .article-rail { display: none; }
}

@media (max-width: 820px) {
  :root { --masthead: 64px; --shell: calc(100% - 28px); }
  .masthead__inner { grid-template-columns: 1fr auto; }
  .masthead__edition { display: none; }
  .nav { gap: 1rem; }
  .nav a:nth-child(2) { display: none; }
  .hero { min-height: auto; }
  .hero__inner { min-height: auto; padding: 2.8rem 0 10rem; }
  .display-title { font-size: clamp(3.6rem, 18vw, 7rem); }
  .hero__visual { min-height: 360px; }
  .hero__latest { grid-template-columns: 90px 1fr; }
  .hero__latest span { display: none; }
  .hero__latest p { -webkit-line-clamp: 2; }
  .section-head { grid-template-columns: 1fr; align-items: start; }
  .section-head p { justify-self: start; }
  .coverage { grid-template-columns: repeat(2, 1fr); }
  .coverage__item:nth-child(2) { border-right: 0; }
  .coverage__item:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .issue { grid-template-columns: 1fr; }
  .issue-archive { padding: 2rem 0 0; border-top: 1px solid var(--line-strong); border-left: 0; }
  .method { grid-template-columns: 1fr; }
  .method__column { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .method__column:last-child { border-bottom: 0; }
  .article-layout { grid-template-columns: 1fr; padding-top: 2.5rem; }
  .ledger { position: static; margin-top: 2rem; }
  .article-next__link { grid-template-columns: 1fr; gap: 0.6rem; }
  .archive-entry { grid-template-columns: 1fr; gap: 0.45rem; }
  .archive-entry span { display: none; }
}

@media (max-width: 520px) {
  .brand { font-size: 0.68rem; }
  .brand__mark { width: 19px; height: 19px; }
  .nav { font-size: 0.7rem; }
  .nav a:nth-child(3) { display: none; }
  .hero__actions { align-items: flex-start; flex-direction: column; }
  .hero__visual { min-height: 300px; }
  .section { padding: 3.5rem 0; }
  .coverage { grid-template-columns: 1fr; }
  .coverage__item { border-right: 0; border-bottom: 1px solid var(--line); }
  .coverage__item:last-child { border-bottom: 0; }
  .issue__feature { grid-template-columns: 1fr; }
  .issue__number { font-size: 3.8rem; }
  .article-hero__meta { flex-direction: column; gap: 0.3rem; }
  .footer__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}