:root {
  color-scheme: light;
  --canvas: #FFFFFF;
  --ink: #0B3B30;
  --jade: #1DBF85;
  --mint: #CFF2E0;
  --charcoal: #1C1C1C;
  --page: var(--canvas);
  --text: var(--ink);
  --soft: var(--mint);
  --selected: var(--mint);
  --feature: var(--jade);
  --contrast: var(--ink);
  --contrast-text: var(--canvas);
  --action-on-contrast: var(--mint);
  --action-on-contrast-text: var(--ink);
  --muted: color-mix(in srgb, var(--text) 76%, var(--page));
  --line: color-mix(in srgb, var(--text) 18%, var(--page));
  --control-line: color-mix(in srgb, var(--text) 58%, var(--page));
  --quiet: color-mix(in srgb, var(--text) 4%, var(--page));
  --sans: "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #121212;
  --text: #EDEDED;
  --soft: #19211E;
  --selected: #173329;
  --feature: #10291F;
  --contrast: var(--charcoal);
  --contrast-text: #EDEDED;
  --action-on-contrast: var(--jade);
  --action-on-contrast-text: #121212;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  color: var(--text);
  background: var(--page);
  font: 1rem/1.6 var(--sans);
}
main { flex: 1; }
[hidden] { display: none !important; }
a { color: inherit; text-underline-offset: 0.22em; }
a:hover { text-decoration-thickness: 2px; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.045em; }
svg { display: block; }
img { max-width: 100%; height: auto; }
em, i { font-style: normal; }
::selection { color: var(--ink); background: var(--mint); }

@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
  .masthead { view-transition-name: masthead; }
  ::view-transition-old(masthead) { animation: none; opacity: 0; }
  ::view-transition-new(masthead) { animation: none; }
  ::view-transition-old(root) { animation: page-leave 110ms ease-out both; }
  ::view-transition-new(root) { animation: page-arrive 165ms ease-out both; }
}

@keyframes page-leave { to { opacity: 0; } }
@keyframes page-arrive { from { opacity: 0; transform: translateY(4px); } }
@keyframes loading-breathe { 50% { opacity: 0.48; } }

.loading-state { max-width: 64ch; padding-block: 12px 28px; }
.loading-label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 0.86rem; }
.loading-label::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--jade); }
.loading-lines {
  display: block;
  height: 54px;
  margin-top: 17px;
  background: linear-gradient(var(--line), var(--line)) 0 0 / 84% 9px no-repeat,
    linear-gradient(var(--line), var(--line)) 0 22px / 68% 9px no-repeat,
    linear-gradient(var(--line), var(--line)) 0 44px / 49% 9px no-repeat;
}
@media (prefers-reduced-motion: no-preference) {
  .loading-block, .loading-lines, .loading-label::before { animation: loading-breathe 1.5s ease-in-out 160ms 3; }
}

.wrap { width: min(1160px, calc(100% - 80px)); margin-inline: auto; }
.sr-only, .skip:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip:focus { position: fixed; z-index: 10; inset: 12px auto auto 12px; padding: 10px 14px; background: var(--page); }
.dot { color: var(--jade); }
.eyebrow, .results, .card-meta, .metadata {
  font: 600 0.72rem/1.4 var(--mono);
  letter-spacing: 0.07em;
}
.eyebrow { text-transform: uppercase; }
.section-kicker { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.section-kicker > span { width: 7px; height: 7px; border-radius: 50%; background: var(--jade); }
.icon { width: 19px; height: 19px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }

.masthead { border-bottom: 1px solid var(--line); }
.masthead-inner { min-height: 75px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; font-weight: 750; font-size: 1.04rem; letter-spacing: -0.012em; text-decoration: none; }
.brand-mark {
  display: block;
  width: 35px;
  height: 35px;
  margin-right: 10px;
  background: var(--ink);
  mask: url('liga.svg?v=3') center / contain no-repeat;
}
:root[data-theme="dark"] .brand-mark { background: var(--mint); }
.main-nav { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.main-nav a { font-size: 0.89rem; font-weight: 400; text-decoration: none; }
.main-nav a[aria-current="page"] { text-decoration: underline; }
.main-nav a:hover, .footer-link:hover { text-decoration: underline; }
.theme-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--page);
}
.theme-button:hover { background: var(--soft); }

.hero {
  display: grid;
  grid-template-columns: 1fr minmax(0, 1fr);
  align-items: center;
  gap: clamp(36px, 6vw, 90px);
  padding-block: clamp(44px, 6vw, 86px);
}
.hero h1 { margin-top: 17px; font-size: clamp(3.7rem, 6.75vw, 6.05rem); line-height: 0.99; letter-spacing: -0.022em; }
.hero-lead { max-width: 34ch; margin: 22px 0 26px; color: var(--muted); font-size: clamp(1.02rem, 1.5vw, 1.24rem); }
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--page);
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
}
.button:hover { background: var(--soft); text-decoration: underline; }
.button.primary { color: var(--canvas); background: var(--ink); border-color: var(--ink); }
:root[data-theme="dark"] .button.primary { border-color: var(--jade); }
.button.primary:focus-visible { outline-color: var(--text); }
.button.primary:hover { text-decoration: underline; }
.featured {
  min-height: 354px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 22px;
  background: var(--contrast);
  color: var(--contrast-text);
  text-decoration: none;
}
.featured-loading { justify-content: flex-end; padding: 25px; border: 1px solid var(--line); background: var(--quiet); }
.featured-loading .loading-block {
  height: 104px;
  border-radius: 8px;
  background: linear-gradient(var(--line), var(--line)) 0 0 / 24% 10px no-repeat,
    linear-gradient(var(--line), var(--line)) 0 30px / 82% 20px no-repeat,
    linear-gradient(var(--line), var(--line)) 0 66px / 63% 20px no-repeat;
}
.feature-top { position: relative; min-height: 185px; overflow: hidden; isolation: isolate; padding: 25px; }
.feature-top::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: radial-gradient(color-mix(in srgb, var(--mint) 27%, transparent) 1px, transparent 1px); background-size: 17px 17px; mask-image: linear-gradient(to bottom, black 20%, transparent); }
.feature-tag { display: inline-flex; align-items: center; gap: 7px; color: var(--mint); background: color-mix(in srgb, var(--mint) 9%, var(--contrast)); border: 1px solid color-mix(in srgb, var(--mint) 28%, var(--contrast)); border-radius: 999px; padding: 6px 9px; }
.feature-tag .icon { width: 13px; height: 13px; }
.feature-top .cover-art { position: absolute; right: 5%; top: 5%; width: min(72%, 330px); height: 186px; color: var(--mint); z-index: -1; }
.feature-bottom { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 20px; align-items: end; padding: 8px 25px 25px; margin-top: auto; }
.feature-bottom .eyebrow { grid-column: 1 / -1; color: var(--mint); }
.feature-bottom h2 { max-width: 18ch; font-size: clamp(1.65rem, 3vw, 2.7rem); }
.feature-link {
  width: 46px; height: 46px; display: grid; place-items: center;
  border-radius: 50%; color: var(--action-on-contrast-text); background: var(--action-on-contrast);
}
.featured:focus-visible { outline-color: var(--text); }
.featured:hover .feature-link .icon { transform: translate(2px, -2px); }

.campaign {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(120px, 32%);
  align-items: center;
  gap: 18px;
  overflow: hidden;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid #393939;
  border-radius: 16px;
  background: var(--charcoal);
  color: #EDEDED;
}
.campaign--catalog { margin-bottom: 32px; }
.campaign--mobile { display: none; margin-top: 32px; }
.campaign-copy { min-width: 0; }
.campaign-label { display: flex; align-items: center; gap: 8px; color: var(--mint); font-size: 0.8rem; }
.campaign-label .icon { width: 1.1em; height: 1.1em; }
.campaign h2 { margin-top: 8px; color: var(--canvas); font-size: clamp(1.05rem, 2.55vw, 2.05rem); letter-spacing: -0.02em; }
.campaign-description { max-width: 52ch; margin-top: 8px; }
.campaign-status { margin-top: 14px; color: var(--mint); }
.campaign-action { margin-top: 15px; border-color: var(--jade); background: var(--ink); color: var(--canvas); }
.campaign-action:hover { background: color-mix(in srgb, var(--ink) 86%, var(--jade)); }
.campaign-action:focus-visible { outline-color: #EDEDED; }
.campaign .cover-art { width: 100%; max-height: 125px; color: var(--mint); }
.campaign--sidebar { display: block; margin-top: 18px; padding: 17px; }
.campaign--sidebar h2 { font-size: 1.25rem; }
.campaign--sidebar .campaign-description { font-size: 0.84rem; }
.campaign--sidebar .campaign-action { width: 100%; padding-inline: 10px; }

.contact-dialog {
  width: min(440px, calc(100% - 28px));
  max-height: calc(100dvh - 28px);
  padding: clamp(18px, 4vw, 28px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--page);
  color: var(--text);
  box-shadow: 0 18px 64px #00000055;
}
.contact-dialog::backdrop { background: #000000aa; }
.contact-heading { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.contact-close { width: 42px; height: 42px; flex: none; border: 1px solid var(--line); border-radius: 50%; background: var(--page); font-size: 1.5rem; line-height: 1; }
.contact-close:hover { background: var(--soft); }
.contact-dialog h2 { font-size: clamp(1.65rem, 5vw, 2.25rem); }
.contact-form { display: grid; gap: 5px; margin-top: 10px; }
.contact-form p { color: var(--muted); font-size: 0.9rem; margin-bottom: 8px; }
.contact-form label { font-size: 0.86rem; font-weight: 650; }
.contact-form input { min-width: 0; min-height: 44px; margin-bottom: 6px; padding: 8px 11px; border: 1px solid var(--control-line); border-radius: 8px; background: var(--page); }
.contact-form .button { margin-top: 4px; }
.contact-form .contact-note { margin: 6px 0 0; font-size: 0.78rem; }
.contact-success { margin-top: 14px; padding: 12px 14px; border-radius: 9px; background: var(--soft); }
.contact-skip { margin-top: 12px; padding: 5px 0; border: 0; background: transparent; color: var(--muted); font-size: 0.88rem; text-decoration: underline; text-underline-offset: 0.2em; }

.library { padding: 36px 0 78px; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.section-heading h2, .related > h2 { margin-top: 7px; font-size: clamp(1.9rem, 4vw, 3.2rem); }
.search { display: flex; align-items: center; gap: 6px; min-height: 45px; width: min(100%, 265px); padding-inline: 10px; border: 1px solid var(--control-line); border-radius: 9px; }
.search:focus-within { outline: 2px solid var(--text); outline-offset: 2px; }
.search svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; flex: none; }
.search input { background: none; border: 0; outline: none; width: 100%; min-width: 0; font-size: 0.9rem; }
.search input:focus-visible { outline: none; }
.search input::placeholder { color: var(--muted); }
.filter-bar { display: flex; justify-content: space-between; align-items: center; gap: 10px 20px; margin: 22px 0; }
.filters { display: flex; flex-wrap: wrap; gap: 7px; }
.filter { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px; background: var(--page); padding: 6px 12px; min-height: 36px; font-size: 0.8rem; font-weight: 650; }
.filter[aria-pressed="true"], .filter:hover { background: var(--selected); border-color: var(--control-line); }
.filter-count { min-width: 1.6em; padding-inline: 4px; border: 1px solid var(--line); border-radius: 999px; background: var(--soft); color: var(--text); font-size: 0.85em; font-variant-numeric: tabular-nums; text-align: center; }
.results { flex: none; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card { position: relative; display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.card-loading { min-height: 272px; }
.card-loading::before { content: ''; height: 134px; background: var(--quiet); }
.card-loading .loading-lines { margin: 20px 18px; }
.card-cover { min-height: 134px; display: grid; place-items: center; position: relative; overflow: hidden; color: var(--text); background: var(--soft); }
.card-cover[data-art="orbit"] { color: var(--contrast-text); background: var(--contrast); }
.card-cover[data-art="map"] { color: var(--text); background: var(--feature); }
.card-cover .cover-art { width: 65%; height: 120px; margin-left: 23%; opacity: 0.88; }
.cover-index { position: absolute; top: 14px; left: 15px; }
.card-body { display: flex; flex-direction: column; flex: 1; align-items: start; padding: 18px; }
.card-meta { color: var(--muted); text-transform: uppercase; }
.card h3 { margin-top: 9px; font-size: clamp(1.3rem, 2vw, 1.6rem); }
.card p:not(.card-meta) { margin: 9px 0 16px; color: var(--muted); font-size: 0.9rem; }
.card-link { display: inline-flex; align-items: center; gap: 5px; margin-top: auto; font-size: 0.84rem; font-weight: 650; letter-spacing: 0.01em; }
.card-link .icon { width: 15px; height: 15px; }
.card-link::after { content: ""; position: absolute; inset: 0; }
.card:hover .card-link { text-decoration-thickness: 2px; }
.empty { grid-column: 1 / -1; padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--quiet); }
.empty .button { margin-top: 12px; }
.footer {
  --footer-muted: color-mix(in srgb, var(--contrast-text) 78%, var(--contrast));
  --footer-line: color-mix(in srgb, var(--contrast-text) 22%, var(--contrast));
  background: var(--contrast);
  color: var(--contrast-text);
}
.footer-inner { display: grid; grid-template-columns: 1.6fr 0.8fr 1fr; gap: 24px; padding-block: 36px 28px; }
.footer-intro p { max-width: 30ch; margin-top: 8px; color: var(--footer-muted); font-size: 0.9rem; }
.footer-brand { font-size: 1.15rem; }
.footer-group { display: grid; justify-items: start; align-content: start; gap: 6px; }
.footer-group .eyebrow { margin-bottom: 5px; color: var(--mint); }
.footer-link { color: var(--footer-muted); font-size: 0.88rem; text-decoration: none; }
.footer-link:hover { color: var(--contrast-text); }
.footer-bottom { display: flex; justify-content: flex-end; border-top: 1px solid var(--footer-line); padding-block: 12px 16px; }

.inner-page { padding: 28px 0 66px; }
.breadcrumbs { margin-bottom: 24px; color: var(--muted); font-size: 0.87rem; }
.article-header { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.article-header h1 { max-width: 20ch; margin: 10px 0 12px; font-size: clamp(2.5rem, 6vw, 5rem); letter-spacing: -0.05em; overflow-wrap: anywhere; }
.article-header .lead { max-width: 56ch; color: var(--muted); font-size: clamp(1.02rem, 1.8vw, 1.25rem); }
.metadata { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 5px 12px; color: var(--muted); }
.post-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, 0.67fr); align-items: start; gap: clamp(22px, 5vw, 70px); }
.post-copy { max-width: 65ch; }
.post-copy > p { font-size: 1.1rem; margin-bottom: 20px; }
.takeaways { margin: 0; padding: 23px; border-radius: 14px; background: var(--soft); }
.takeaways h2, .signup h2, .next-step h2 { font-size: 1.43rem; }
.takeaways ul { display: grid; gap: 8px; margin: 15px 0 0; padding: 0; list-style: none; }
.takeaways li { display: flex; align-items: baseline; gap: 9px; }
.takeaways .icon { width: 16px; height: 16px; align-self: start; margin-top: 5px; }
.post-copy .card-cover { margin-top: 20px; border-radius: 14px; }
.signup { padding: 22px; border: 1px solid var(--line); border-radius: 15px; background: var(--quiet); }
.reading-gate { max-width: 540px; }
.signup > p { margin: 7px 0 14px; color: var(--muted); font-size: 0.9rem; }
.signup .local-note { padding: 8px 11px; border-radius: 6px; background: var(--soft); color: var(--text); font-size: 0.8rem; }
.signup form { display: grid; gap: 6px; }
.signup label { font-size: 0.84rem; font-weight: 750; }
.signup label span { color: var(--muted); font-weight: 500; }
.signup input { width: 100%; padding: 9px 11px; min-height: 44px; margin-bottom: 6px; border: 1px solid var(--control-line); border-radius: 7px; background: var(--page); }
.signup iframe { display: block; width: 100%; min-height: 320px; border: 0; }
.signup .form-fallback { margin: 10px 0 0; }
.related { margin-top: 54px; padding-top: 26px; border-top: 1px solid var(--line); }
.related > h2 { margin: 0 0 18px; font-size: 1.9rem; }

.reading-progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 5; pointer-events: none; }
.reading-progress span { display: block; height: 100%; background: var(--jade); transform: scaleX(0); transform-origin: left; }
.reader-layout { display: grid; grid-template-columns: minmax(0, 71ch) minmax(185px, 1fr); gap: clamp(28px, 6vw, 90px); align-items: start; }
.reader-layout > * { min-width: 0; }
.reader-side { grid-column: 2; grid-row: 1; position: sticky; top: 22px; }
.toc { border-left: 1px solid var(--line); padding-left: 18px; }
.toc summary { cursor: pointer; font-weight: 750; font-size: 0.92rem; }
.toc ol { display: grid; gap: 6px; margin: 10px 0 0; list-style: none; padding: 0; max-height: 74vh; overflow: auto; }
.reader-side:has(.campaign) .toc ol { max-height: min(42vh, 22rem); }
.toc a { display: block; color: var(--muted); font-size: 0.82rem; text-decoration: none; }
.toc a:hover { text-decoration: underline; color: var(--text); }
.prose { grid-column: 1; grid-row: 1; min-width: 0; font-size: 1.05rem; line-height: 1.72; overflow-wrap: anywhere; }
.prose > :first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol { margin: 0 0 0.9em; }
.prose li + li { margin-top: 0.25em; }
.prose li > p { margin-bottom: 0.35em; }
.prose ul, .prose ol { padding-left: 1.55em; }
.prose h2 { margin: 1.45em 0 0.5em; font-size: clamp(1.55rem, 3.6vw, 2.25rem); }
.prose h3 { margin: 1.35em 0 0.45em; font-size: 1.28rem; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 1.7em 0; }
.prose blockquote { margin: 1.15em 0; padding: 13px 16px; border-left: 3px solid var(--jade); border-radius: 0 10px 10px 0; background: var(--soft); }
.prose blockquote[data-kind="tip"] { background: var(--feature); border-left-color: var(--text); }
.prose blockquote[data-kind="important"] { color: var(--contrast-text); background: var(--contrast); }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose blockquote:empty { display: none; }
.editorial-icon { display: inline-flex; vertical-align: -0.13em; }
.editorial-icon .icon { width: 0.92em; height: 0.92em; }
.prose code { font: 0.9em/1.6 var(--mono); }
.prose :not(pre) > code { padding: 0.1em 0.25em; border-radius: 4px; background: var(--quiet); }
.prose .code-block { margin: 1.2em 0; border-radius: 12px; border: 1px solid var(--line); background: var(--quiet); }
.code-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 12px; border-bottom: 1px solid var(--line); }
.code-toolbar .button { min-height: 34px; padding: 3px 8px; }
.prose pre { margin: 0; padding: 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.table-scroll { overflow-x: auto; margin: 1em 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 11px; text-align: left; }
.prose th { background: var(--soft); }
.next-step { margin-top: 28px; padding: 22px; background: var(--feature); border-radius: 12px; }
.next-step p { margin: 6px 0 12px; }
.article-follow { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; margin-top: 24px; padding: 8px 16px 9px; border-radius: 12px; background: var(--soft); font-size: 0.875rem; }
.article-follow h2 { font-size: 1rem; letter-spacing: normal; }
.article-follow p { margin-top: 4px; color: color-mix(in srgb, var(--text) 76%, var(--soft)); }
.article-follow-links { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.article-follow-links a { display: inline-flex; align-items: center; gap: 6px; min-height: 24px; }
.article-follow-links .icon { width: 15px; height: 15px; }

.about .article-header h1 { letter-spacing: -0.022em; }
.team { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.profile { display: grid; grid-template-columns: minmax(145px, 35%) minmax(0, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 16px; }
.profile img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 38%; background: var(--mint); }
.profile-body { padding: 22px; }
.profile-body .eyebrow { color: var(--muted); }
.profile h2 { margin: 7px 0 9px; font-size: clamp(1.45rem, 2.4vw, 2rem); }
.profile-body p:not(.eyebrow) { margin-bottom: 14px; color: var(--muted); font-size: 0.94rem; }
.profile-link { font-size: 0.88rem; font-weight: 400; }

@media (max-width: 860px) {
  .wrap { width: calc(100% - 48px); }
  .hero { gap: 30px; }
  .hero h1 { font-size: clamp(2.8rem, 7vw, 3.7rem); }
  .featured { min-height: 310px; }
  .feature-top { min-height: 155px; }
  .feature-top .cover-art { height: 157px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profile { grid-template-columns: 1fr; }
  .profile img { aspect-ratio: 4 / 3; height: auto; object-position: center top; }
  .reader-layout { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .reader-side, .prose { grid-column: auto; grid-row: auto; }
  .reader-side { position: static; }
  .reader-side:has(.toc[hidden]) { display: none; }
  .toc { border: 1px solid var(--line); border-radius: 10px; padding: 10px 13px; }
  .toc ol { max-height: 48vh; }
  .campaign--sidebar { display: none; }
  .campaign--mobile { display: grid; }
}

@media (max-width: 620px) {
  .wrap { width: calc(100% - 32px); }
  .masthead-inner { min-height: 62px; gap: 13px; }
  .brand { font-size: 0.98rem; }
  .brand-mark { margin-right: 6px; }
  .main-nav a { font-size: 0.79rem; }
  .main-nav { gap: 10px; }
  .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 14px; padding-block: 25px 20px; }
  .footer-intro { grid-column: 1 / -1; }
  .hero { grid-template-columns: 1fr; padding-block: 35px; gap: 24px; }
  .hero h1 { font-size: clamp(3rem, 15vw, 5.25rem); }
  .hero-lead { margin: 13px 0 17px; }
  .featured { min-height: 278px; }
  .feature-top { padding: 17px; }
  .feature-bottom { padding: 6px 17px 17px; gap: 8px; }
  .campaign { grid-template-columns: 1fr; }
  .campaign--catalog h2 { font-size: clamp(0.76rem, 3.85vw, 1.45rem); }
  .campaign .cover-art { display: none; }
  .section-heading { align-items: stretch; flex-direction: column; gap: 14px; }
  .search { width: 100%; }
  .filter-bar { align-items: start; flex-direction: column; margin: 15px 0; }
  .cards, .post-layout { grid-template-columns: 1fr; }
  .team { grid-template-columns: 1fr; }
  .library { padding: 26px 0 45px; }
  .inner-page { padding: 18px 0 42px; }
  .breadcrumbs { margin-bottom: 17px; }
  .article-header { margin-bottom: 18px; padding-bottom: 18px; }
  .prose { font-size: 1rem; }
}

@media (max-width: 400px) {
  .masthead-inner { flex-wrap: wrap; gap: 4px 12px; padding-block: 9px; }
  .main-nav { order: 1; flex-basis: 100%; margin-left: 0; gap: 16px; }
  .theme-button { margin-left: auto; }
}

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