*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: auto;
  scroll-padding-top: calc(var(--controls-h) + var(--sp-6));
}
html.smooth-anchors { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: var(--lh-body);
}
img, picture, svg, video, canvas {
  display: block;
  max-width: 100%;
  height: auto;
}
svg { fill: currentColor; }
input, button, textarea, select {
  font: inherit;
  color: inherit;
}
button { background: none; border: 0; cursor: pointer; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
table { border-collapse: collapse; width: 100%; }
@media (prefers-reduced-motion: reduce), (update: slow), (update: none) {
  html { scroll-behavior: auto; }
}
body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: var(--fs-body);
  font-weight: var(--wght-body);
  position: relative;
}
.dusk-wash {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: linear-gradient(180deg, #EFEAE1 0%, var(--bg) 42%);
}
.grain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 1;
  mix-blend-mode: multiply;
}
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: var(--wght-h2);
  line-height: var(--lh-h2);
  text-wrap: balance;
  color: var(--ink);
}
h1, .h1 {
  font-size: var(--fs-hero);
  line-height: var(--lh-hero);
  letter-spacing: var(--track-hero);
  font-weight: var(--wght-hero);
  font-variation-settings: "opsz" 72;
  max-width: 15ch;
  color: var(--forest);
  overflow-wrap: break-word;
  hyphens: auto;
}
h2, .h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
  font-weight: var(--wght-h2);
  font-variation-settings: "opsz" 48;
  max-width: 22ch;
}
h3, .h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  font-weight: var(--wght-h3);
  font-variation-settings: "opsz" 32;
}
.kicker, .eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-kicker);
  letter-spacing: var(--track-kicker);
  text-transform: uppercase;
  font-weight: 600;
  color: var(--sage);
}
.meta, .caption {
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  color: var(--muted);
  line-height: 1.45;
}
.running-meta {
  font-family: var(--font-serif);
  font-variant-caps: small-caps;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-size: var(--fs-meta);
}
.prose {
  max-width: var(--measure);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ink);
}
.prose.solo { max-width: var(--measure-solo); }
.prose > * + * { margin-top: 1.1em; }
.prose p + p,
.prose p + ul,
.prose p + ol,
.prose ul + p,
.prose ol + p { margin-top: 1.1em; }
.prose h3 + p { margin-top: var(--sp-3); }
.prose h2 { margin-top: 1.8em; }
.prose h3 { margin-top: 1.5em; }
.prose h2.visually-hidden + p { margin-top: 1.4em; }
.prose p, .pullquote, blockquote, .rail__note, .about-contact, .footnotes__item, .lede, .lex-def, .email-capture__note, .field__hint, .wherenext__lead, .flag-star__caption, .flag-row__looks, .tier-card__desc, .footer__disclaimer p, .form-status__text, .takeaway-share__status, .part-item__subtitle { hanging-punctuation: first last; text-wrap: pretty; }
.flag-head p.running-meta,
.tier-list .meta,
.tier-row .meta,
#email-toggle,
.pullquote,
.email-capture__form .btn { text-wrap: balance; }
.lede {
  font-size: var(--fs-lede);
  line-height: var(--lh-lede);
  font-weight: var(--wght-lede);
  color: var(--ink);
  max-width: 60ch;
  overflow-wrap: break-word;
  hyphens: auto;
}
.lead-in {
  font-variant-caps: small-caps;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.drop-cap {
  float: left;
  font-family: var(--font-serif);
  font-size: 4.4em;
  line-height: 0.82;
  font-weight: 500;
  color: var(--sage);
  padding-right: 0.08em;
  padding-bottom: 0.12em;
  margin-top: 0.02em;
  font-variation-settings: "opsz" 72;
}
.pullquote {
  float: right;
  width: 40%;
  margin: 0.3em 0 var(--sp-4) var(--sp-8);
  padding-left: var(--sp-4);
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  line-height: 1.3;
  color: var(--clay-ink);
  border-left: 2px solid var(--sage-soft);
  position: relative;
}
.pullquote::before {
  content: "\201C";
  position: absolute;
  left: -0.12em;
  top: -0.35em;
  font-size: 2.4em;
  line-height: 1;
  color: var(--clay);
  pointer-events: none;
}
.rule-threshold,
hr.threshold {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--rule-strong), transparent);
  margin: var(--sp-8) 0;
}
.rule-keyline {
  height: 2px;
  border: 0;
  background: var(--sage-soft);
  width: 3rem;
  margin: var(--sp-3) 0 var(--sp-6);
}
.rule-part {
  height: 2px;
  border: 0;
  background: var(--ink);
  margin: var(--sp-12) 0;
}
.rule-hair {
  height: 1px;
  border: 0;
  background: var(--line);
  margin: var(--sp-6) 0;
}
blockquote {
  font-family: var(--font-serif);
  color: var(--clay-ink);
  font-size: var(--fs-h3);
  line-height: 1.35;
  padding-left: var(--sp-6);
  border-left: 2px solid var(--sage-soft);
}
strong, b { font-weight: var(--wght-h3); }
em, i { font-style: italic; }
small { font-size: 0.85em; }
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section-y); }
.section--tight { padding-block: var(--sp-12); }
.band {
  width: 100%;
  padding-block: var(--section-y);
}
.band--alt   { background: var(--bg-alt); }
.band--card  { background: var(--card); }
.band--night {
  background: var(--ink-panel);
  color: var(--paper-on-dark);
}
.band--night h1,
.band--night h2,
.band--night h3 { color: var(--paper-on-dark); }
.band--night .kicker { color: var(--sage-on-dark); }
.band--night a { color: var(--sage-on-dark); }
.band--night a:visited { color: var(--sage-on-dark); }
.band--night .link:visited { color: var(--sage-on-dark); }
.night-line { margin: 0; font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem); line-height: 1.35; }
.night-sub { margin: .5rem 0 0; color: var(--sage-on-dark);
  font-size: 1rem; line-height: 1.5; }
.longform {
  display: grid;
  grid-template-columns: minmax(0, var(--measure)) var(--rail);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}
.longform__rail {
  position: sticky;
  top: calc(var(--controls-h) + var(--sp-6));
  align-self: start;
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  color: var(--muted);
  display: grid;
  gap: var(--sp-6);
}
.stack     { display: grid; gap: var(--sp-4); }
.stack--lg { display: grid; gap: var(--sp-8); }
.cluster   { display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: center; }
.breath { height: var(--sp-8); }
:root {
  --underline-h:    2.5px;
  --underline-thin: 0.4;
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:visited { color: var(--sage-ink); }
.link:visited { color: var(--accent); }
.link,
.prose a,
.nav__link,
.breadcrumb a,
.footer__nav a {
  position: relative;
  color: var(--accent);
  text-decoration: none;
  padding-bottom: 1px;
}
.link::after,
.prose a:not(.cite)::after,
.nav__link::after,
.breadcrumb a::after,
.footer__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: var(--underline-h);
  background: currentColor;
  opacity: 1;
  transition: width var(--dur-underline) var(--ease-out);
}
.link:hover::after,
.link:focus-visible::after,
.prose a:not(.cite):hover::after,
.prose a:not(.cite):focus-visible::after,
.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link[aria-current="page"]::after,
.breadcrumb a:hover::after,
.breadcrumb a:focus-visible::after,
.footer__nav a:hover::after,
.footer__nav a:focus-visible::after {
  opacity: 1;
  width: 100%;
}
.breadcrumb ol { row-gap: var(--sp-2); }
.breadcrumb li { text-wrap: balance; }
.breadcrumb__sep {
  color: var(--muted);
  padding-inline: var(--sp-1);
  -webkit-user-select: none;
  user-select: none;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: var(--sp-3) var(--sp-4);
  background: var(--card);
  color: var(--accent);
  border: var(--focus-width) solid var(--sage-soft);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
}
.skip-link:visited { color: var(--accent); }
.skip-link:focus {
  left: var(--sp-3);
  top: var(--sp-3);
}
:focus-visible {
  outline: var(--focus-width) solid var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: 3px;
}
:focus:not(:focus-visible) { outline: none; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  -webkit-backdrop-filter: saturate(1.1) blur(8px);
  backdrop-filter: saturate(1.1) blur(8px);
  border-bottom: 1px solid var(--rule-strong);
}
@supports (background: color-mix(in srgb, red, blue)) {
  .topbar { background: color-mix(in srgb, var(--bg) 95%, transparent); }
}
@media (prefers-reduced-transparency: reduce) {
  .topbar { -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--bg); }
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  min-height: var(--touch);
  padding-block: var(--sp-3);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-serif);
  font-weight: var(--wght-h3);
  font-size: 18px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.brand:visited { color: var(--ink); }
.brand:active { transform: scale(0.98); }
.brand__mark { width: 22px; height: 22px; color: var(--sage); flex: none; }
.brand span { text-wrap: balance; }
.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
}
.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav__link {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  padding: var(--sp-2) 2px;
  display: inline-flex;
  align-items: center;
  min-height: var(--touch);
}
.nav__link:visited { color: var(--ink); }
.nav__link[aria-current="page"] { color: var(--accent); font-weight: 600; }
.link:active,
.prose a:active,
.nav__link:active,
.breadcrumb a:active,
.footer__nav a:active { color: var(--clay-ink); }
.skip-link:active { color: var(--clay-ink); }
.band--night .link:active,
.band--night .prose a:active { color: var(--sage-on-dark); }
@media (min-width: 761px) and (max-width: 808px) {
  .nav__list { gap: 10px; }
  .nav__link { white-space: nowrap; font-size: 14px; letter-spacing: -0.005em; }
}
.nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: var(--touch);
  height: var(--touch);
  color: var(--ink);
  border-radius: var(--radius-sm);
  border: 1px solid var(--rule-strong);
  transition: border-color var(--dur-fast) var(--ease-soft),
              transform var(--dur-press) var(--ease-soft);
}
.nav__toggle svg { width: 22px; height: 22px; }
@media (hover: hover) and (pointer: fine) {
  .nav__toggle:hover { border-color: var(--sage-soft); }
}
.nav__toggle:active { transform: scale(0.98); }
.nav__toggle[aria-expanded="true"] {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  border-color: var(--sage-soft);
}
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding-block: var(--section-y) var(--sp-12);
  margin-top: var(--section-y);
}
.footer__inner { display: grid; gap: 0; }
.footer__extra {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--muted);
}
.footer__extra a { color: var(--sage-ink); }
.footer__extra a { white-space: nowrap; }
.footer__disclaimer {
  margin-top: var(--sp-6);
  max-width: 62ch;
  color: var(--muted);
  font-size: var(--fs-meta);
  font-family: var(--font-sans);
  display: grid;
  gap: var(--sp-3);
}
.footer__disclaimer strong {
  display: block;
  margin-bottom: var(--sp-1);
  font-size: 16px;
  color: var(--ink);
  font-weight: var(--wght-display);
}
.footer__nav { margin-top: var(--sp-12); }
.footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4) var(--sp-6);
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer__nav a {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  min-height: var(--touch);
  display: inline-flex;
  align-items: center;
}
.footer__byline {
  margin-top: var(--sp-12);
  border-top: 1px solid var(--line);
  padding-top: var(--sp-6);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-serif);
  color: var(--ink);
  font-size: var(--fs-body);
}
.footer__mark { width: 22px; height: 22px; color: var(--sage); flex: none; }
.footer__copyright {
  margin-top: var(--sp-2);
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
}
.footer__data {
  margin-top: var(--sp-3);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-2) var(--sp-4);
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
}
.footer__data-clear {
  position: relative;
  min-height: var(--touch);
  padding: var(--sp-2) 0;
  background: none;
  border: 0;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  font-weight: 400;
  cursor: pointer;
}
.footer__data-clear::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: var(--underline-h);
  background: currentColor;
  opacity: 1;
  transition: width var(--dur-underline) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .footer__data-clear:hover::after { opacity: 1; width: calc(100% - 2px); }
}
.footer__data-clear:focus-visible::after { opacity: 1; width: calc(100% - 2px); }
.footer__data-cancel { position: relative; }
.footer__data-cancel::after {
  content: "";
  position: absolute;
  left: 2px;
  bottom: 0;
  width: 0;
  height: var(--underline-h);
  background: currentColor;
  opacity: 1;
  transition: width var(--dur-underline) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .footer__data-cancel:hover::after { width: calc(100% - 4px); }
}
.footer__data-cancel:focus-visible::after { width: calc(100% - 4px); }
.footer__data-clear[aria-disabled="true"] {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}
.footer__data-clear[hidden],
.footer__data-cancel[hidden] { display: none; }
.footer__data[hidden] { display: none; }
.footer__data-hint { color: var(--muted); display: inline-block; max-width: 62ch; }
.footer__data-status { color: var(--sage-ink); font-weight: 600; }
.footer__data-status:empty { display: none; }
.btn {
  --_bg: var(--accent);
  --_fg: var(--card);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: var(--touch);
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-sm);
  background: var(--_bg);
  color: var(--_fg);
  border: 1.5px solid var(--_bg);
  transition: transform var(--dur-press) var(--ease-soft),
              background var(--dur-fast) var(--ease-soft),
              box-shadow var(--dur-fast) var(--ease-out);
}
.btn:visited { color: var(--_fg); }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: color-mix(in srgb, var(--accent) 88%, #000); }
}
.btn:active { transform: scale(0.98); }
.btn--ghost {
  --_bg: transparent;
  --_fg: var(--accent);
  background: var(--card);
  color: var(--accent);
  border: 1.5px solid var(--rule-strong);
  transition: transform var(--dur-press) var(--ease-soft),
              background var(--dur-fast) var(--ease-soft),
              box-shadow var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .btn--ghost:hover {
    background: var(--card);
    border-color: var(--sage-soft);
  }
}
.btn--text {
  min-height: var(--touch);
  padding: var(--sp-2) 2px;
  background: none;
  border: 0;
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.2;
  font-weight: 600;
  transition: transform var(--dur-press) var(--ease-soft);
}
.btn--text:active { transform: scale(0.98); }
.btn--text.footer__data-clear { color: var(--muted); font-weight: 400; padding: var(--sp-2) 0; font-size: var(--fs-meta); line-height: var(--lh-body); }
.footer__data-cancel { color: var(--muted); }
.card {
  background: var(--card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 32px);
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.card:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -12px var(--shadow-warm);
  border-color: var(--sage-soft);
}
@media (hover: hover) and (pointer: fine) {
  .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -12px var(--shadow-warm);
    border-color: var(--sage-soft);
  }
}
.card__title {
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  font-weight: var(--wght-h3);
  color: var(--ink);
}
.card__meta { margin-top: var(--sp-2); }
.card--link { display: block; color: inherit; }
.card--link:visited { color: inherit; }
.card--link:active { transform: scale(0.98); }
.field { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--sp-2); }
.field__hint, .field__error, .input, .select, .textarea { min-width: 0; }
.label {
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  font-weight: 600;
  color: var(--ink);
}
.label .req { color: var(--accent); font-weight: 700; }
.input,
.select,
.textarea {
  width: 100%;
  min-height: var(--touch);
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.2;
  color: var(--ink);
  background: var(--card);
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  text-overflow: ellipsis;
  transition: border-color var(--dur-fast) var(--ease-soft),
              box-shadow var(--dur-fast) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .input:hover, .select:hover, .textarea:hover { border-color: var(--sage-soft); }
}
.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  border-color: var(--sage-soft);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sage-soft) 30%, transparent);
}
.textarea { min-height: 8rem; resize: vertical; line-height: 1.5; }
.input, .select, .btn { height: 46px; }
.input::placeholder,
.textarea::placeholder {
  color: var(--muted);
  opacity: 1;
}
.field__hint {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
}
.field__error {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--clay-ink);
  display: flex;
  gap: var(--sp-1);
  align-items: baseline;
}
.field--invalid .input,
.field--invalid .select { border-color: var(--clay-ink); }
.fieldset { border: 0; padding: 0; display: grid; gap: var(--sp-3); }
.legend {
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  font-weight: var(--wght-h3);
  color: var(--ink);
  padding: 0;
  margin-bottom: var(--sp-2);
}
.email-capture {
  background: var(--card);
  border: 1px solid var(--rule-strong);
  border-left: 3px solid var(--sage-soft);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 32px);
  display: grid;
  gap: var(--sp-4);
  max-width: 44rem;
}
.email-capture__title {
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  font-weight: var(--wght-h3);
  color: var(--ink);
  font-variation-settings: "opsz" 32;
  max-width: none;
}
.email-capture__note {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
}
.email-capture__form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: start;
}
.email-capture__form .field { flex: 1 1 16rem; min-width: 0; }
.email-capture__form .btn {
  margin-top: calc(var(--fs-meta) * var(--lh-body) + var(--sp-2));
}
.proto-note {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
}
.email-capture .noscript-note {
  background: var(--card);
  border: 1px solid var(--rule-strong);
  border-left: 3px solid var(--clay-ink);
  border-radius: var(--radius);
  padding: clamp(14px, 2.2vw, 20px);
  max-width: 62ch;
  margin-block: var(--sp-4) 0;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  line-height: 1.55;
}
.form-status {
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  color: var(--sage-ink);
  display: flex;
  gap: var(--sp-2);
  align-items: baseline;
}
.form-status[hidden] { display: none; }
.form-status__check { color: var(--sage-ink); font-weight: 700; }
.form-status.is-error { color: var(--muted); }
.form-status.is-error .form-status__check { display: none; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--rule-strong);
  color: var(--ink);
}
.badge__dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.badge--research { border-left: 3px solid var(--sage); }
.badge--research .badge__dot { background: var(--sage); }
.badge--clinical { border-left: 3px solid var(--accent); }
.badge--clinical .badge__dot { background: var(--accent); }
.badge--practice { border-left: 3px solid var(--muted); }
.badge--practice .badge__dot { background: var(--muted); }
.star-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: var(--touch);
  padding: var(--sp-2) var(--sp-4);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--card);
  transition: color var(--dur-fast) var(--ease-soft),
              border-color var(--dur-fast) var(--ease-soft),
              transform var(--dur-press) var(--ease-soft);
}
.star-toggle:active { transform: scale(0.98); }
@media (hover: hover) and (pointer: fine) {
  .star-toggle:hover { border-color: var(--sage-soft); }
}
.star-toggle__glyph {
  width: 20px; height: 20px;
  color: var(--rule-strong);
  transition: color var(--dur-star) var(--ease-soft),
              transform var(--dur-star) var(--ease-soft);
}
.star-toggle[aria-pressed="true"] { color: var(--ink); border-color: var(--gold-ink); }
.star-toggle[aria-pressed="true"] .star-toggle__glyph { color: var(--gold); }
.star-toggle.is-blooming .star-toggle__glyph { animation: star-bloom var(--dur-star) var(--ease-soft); }
@keyframes star-bloom {
  0%   { transform: scale(1); }
  45%  { transform: scale(1.18); }
  100% { transform: scale(1); }
}
.flag-star { display: flex; flex-direction: column; align-items: flex-start; gap: var(--sp-3); }
.flag-star__actions { row-gap: var(--sp-3); }
.flag-star__actions .star-toggle { height: 46px; }
.flag-star__caption { font-family: var(--font-sans); font-size: var(--fs-meta); color: var(--muted); line-height: 1.45; margin: 0; }
.flag-star a.flag-star__collection {
  font-family: var(--font-sans); font-size: var(--fs-meta); font-weight: 600;
  color: var(--sage-ink);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--sage-ink) 34%, transparent);
  text-underline-offset: 3px;
  padding-bottom: 0;
  transition: text-decoration-color var(--dur-fast) var(--ease-out);
}
.flag-star a.flag-star__collection:visited { color: var(--sage-ink); }
.flag-star a.flag-star__collection::after { content: none; }
.flag-star a.flag-star__collection[hidden] { display: none; }
.flag-star a.flag-star__collection:focus-visible { text-decoration-color: var(--sage-ink); }
@media (hover: hover) and (pointer: fine) {
  .flag-star a.flag-star__collection:hover { text-decoration-color: var(--sage-ink); }
}
.flag-return { margin: 0 0 var(--sp-4); font-family: var(--font-sans); font-size: var(--fs-meta); }
.flag-return[hidden] { display: none; }
.flag-return__link {
  color: var(--sage-ink);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--sage-ink) 34%, transparent);
  text-underline-offset: 2px;
  transition: text-decoration-color var(--dur-fast) var(--ease-out);
}
.flag-return__link:visited { color: var(--sage-ink); }
.flag-return__link:focus-visible { text-decoration-color: var(--sage-ink); }
@media (hover: hover) and (pointer: fine) {
  .flag-return__link:hover { text-decoration-color: var(--sage-ink); }
}
.flag-star a.flag-star__collection:active,
.flag-return__link:active { color: var(--clay-ink); }
.running-meta__tier { display: none; }
@media (max-width: 860px) {
  .running-meta__tier {
    display: flex; width: max-content; max-width: 100%;
    vertical-align: middle; margin-top: var(--sp-1);
    text-decoration: none;
    position: relative;
  }
  .running-meta__tier::before {
    content: "";
    position: absolute;
    top: -8px; bottom: -8px;
    left: -12px; right: -12px;
  }
  .rail__group--tier { display: none; }
}
.running-meta__tier .badge { transition: transform var(--dur-press) var(--ease-soft), border-color var(--dur-fast) var(--ease-soft); }
@media (hover: hover) and (pointer: fine) {
  .running-meta__tier:hover .badge { border-color: var(--sage-soft); }
}
.running-meta__tier:active .badge { transform: scale(0.98); }
.is-visited { color: var(--sage-ink); }
.cite {
  font-family: var(--font-sans);
  font-size: 0.72em;
  vertical-align: super;
  line-height: 0;
  color: var(--clay-ink);
  padding: 0 1px;
  transition: color var(--dur-fast) var(--ease-soft);
}
.cite::before { content: "["; }
.cite::after  { content: "]"; }
@media (hover: hover) and (pointer: fine) {
  a.cite:hover { color: var(--sage-ink); }
}
a.cite:focus-visible { color: var(--sage-ink); }
.rail__source {
  display: grid;
  gap: 2px;
  padding-left: var(--sp-3);
  border-left: 1px solid var(--line);
  overflow-wrap: anywhere;
  min-width: 0;
  transition: border-color var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
}
.rail__source .num { color: var(--muted); font-weight: 700; }
.rail__source.is-emphasized { border-color: var(--sage-soft); }
.footnotes { display: none; }
.footnotes__item { font-family: var(--font-sans); font-size: 14px; color: var(--muted); overflow-wrap: anywhere; }
.footnotes__back { margin-left: var(--sp-2); }
.footnotes__back:visited { color: var(--accent); }
.footnotes__back:focus-visible { color: var(--sage-ink); }
@media (hover: hover) and (pointer: fine) {
  .footnotes__back:hover { color: var(--sage-ink); }
}
.footnotes__back:active { color: var(--clay-ink); }
.constellation { position: relative; }
.constellation svg { width: 100%; height: auto; overflow: visible; }
.constellation__line { stroke: var(--rule-strong); stroke-width: 1; }
.constellation__node {
  fill: var(--card);
  stroke: var(--rule-strong);
  stroke-width: 1.5;
  transition: stroke var(--dur-fast) var(--ease-soft), stroke-width var(--dur-fast) var(--ease-soft);
}
.constellation__node-label {
  font-family: var(--font-sans);
  font-size: 12px;
  fill: var(--ink);
  transition: fill var(--dur-fast) var(--ease-soft);
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 8px;
  stroke-linejoin: round;
}
.constellation__rel {
  font-family: var(--font-sans);
  font-size: 11px;
  fill: var(--muted);
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 8px;
  stroke-linejoin: round;
}
.constellation a { pointer-events: bounding-box; }
.constellation__list { display: none; }
.constellation__list li { margin-top: var(--sp-3); text-wrap: balance; }
.constellation__list li a.link::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  min-height: var(--touch);
}
.constellation__list .rel-label {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
  display: block;
}
.module {
  background: var(--card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 28px);
  display: grid;
  gap: var(--sp-3);
}
.module__state {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}
.module[data-state="in-progress"] .module__state { color: var(--accent); }
.module[data-state="complete"] {
  background: var(--verdigris-wash);
  border-color: var(--verdigris);
}
.module[data-state="complete"] .module__state { color: var(--verdigris); }
.module__check {
  width: 16px; height: 16px;
  color: var(--verdigris);
}
.progress {
  display: grid;
  gap: var(--sp-2);
}
.progress__label { font-family: var(--font-sans); font-size: var(--fs-meta); color: var(--ink); }
.progress__track {
  height: 10px;
  background: var(--bg-alt);
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  overflow: hidden;
}
.progress__fill {
  height: 100%;
  background: var(--verdigris);
  border-radius: inherit;
  transform-origin: left;
  transform: scaleX(var(--p, 0));
  transition: transform var(--dur-slow) var(--ease-out);
}
.check-done {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: var(--touch);
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--muted);
}
.check-done__box {
  width: 22px; height: 22px;
  border: 1.5px solid var(--rule-strong);
  border-radius: 6px;
  display: grid; place-items: center;
  color: transparent;
  transition: background var(--dur-star) var(--ease-out),
              border-color var(--dur-star) var(--ease-out),
              color var(--dur-star) var(--ease-out);
}
.check-done[aria-pressed="true"] { color: var(--verdigris); }
.check-done[aria-pressed="true"] .check-done__box {
  background: var(--verdigris);
  border-color: var(--verdigris);
  color: var(--card);
}
.choice-grid { display: grid; gap: var(--sp-3); }
@media (min-width: 560px) { .choice-grid { grid-template-columns: 1fr 1fr; } }
.choice {
  min-height: var(--touch);
  padding: var(--sp-4) var(--sp-6);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  color: var(--ink);
  background: var(--card);
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-base) var(--ease-soft),
              background var(--dur-base) var(--ease-soft);
}
.choice:hover { border-color: var(--sage-soft); }
.choice.is-correct {
  border-color: var(--verdigris);
  background: var(--verdigris-wash);
  color: var(--verdigris);
}
.choice.is-wrong { border-color: var(--clay-ink); }
.choice__bloom {
  display: inline-grid;
  place-items: center;
  width: 22px; height: 22px;
  margin-right: var(--sp-2);
  color: var(--verdigris);
}
.choice.is-correct .choice__bloom { animation: bloom var(--dur-reveal) var(--ease-out); }
.quiz-feedback {
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  margin-top: var(--sp-3);
  min-height: 1.4em;
}
.quiz-feedback.is-correct { color: var(--verdigris); }
.quiz-feedback.is-wrong   { color: var(--clay-ink); }
.option {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--card);
  cursor: pointer;
  transition: border-color var(--dur-base) var(--ease-soft);
}
.option:hover { border-color: var(--sage-soft); }
.option input { margin-top: 0.2em; width: 20px; height: 20px; accent-color: var(--verdigris); }
.option.is-correct { border-color: var(--verdigris); background: var(--verdigris-wash); }
.option.is-wrong   { border-color: var(--clay-ink); }
.celebrate {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-6);
  background: var(--verdigris-wash);
  border: 1px solid var(--verdigris);
  border-radius: var(--radius);
  color: var(--ink);
}
.celebrate__check {
  width: 28px; height: 28px;
  color: var(--verdigris);
  flex: none;
}
.celebrate__title { font-family: var(--font-serif); font-size: var(--fs-h3); color: var(--verdigris); }
.confetti-canvas {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
}
.settle {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-reveal) var(--ease-out),
              transform var(--dur-reveal) var(--ease-out);
  will-change: opacity, transform;
}
.settle.in-view { opacity: 1; transform: none; }
.stagger > .settle,
.stagger > li > .settle,
.stagger > .gentle-reveal,
.stagger > li > .gentle-reveal { transition-delay: calc(var(--i, 0) * 60ms); }
.dawn { animation: dawn var(--dur-slow) var(--ease-out) both; }
@keyframes dawn { from { opacity: 0; } to { opacity: 1; } }
.gentle-reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 60ms);
}
.gentle-reveal.in-view { opacity: 1; transform: none; }
.reveal-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-base) var(--ease-soft);
}
.reveal-panel[data-open="true"] { grid-template-rows: 1fr; }
.reveal-panel > * { overflow: hidden; }
@keyframes bloom {
  0%   { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root),
  ::view-transition-new(root) { animation-duration: var(--dur-page); }
}
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap; border: 0;
}
[hidden] { display: none !important; }
.text-muted { color: var(--muted); }
.text-sage  { color: var(--sage); }
.center-block { margin-inline: auto; }
.flow > * + * { margin-top: var(--sp-4); }
.mt-0 { margin-top: 0; }
@media (max-width: 880px) {
  .longform__rail { position: static; }
  .rail__source { display: none; }
  .footnotes { display: grid; gap: var(--sp-3); }
}
@media (max-width: 860px) {
  :root { --fs-body: var(--fs-body-md); }
  .longform {
    grid-template-columns: minmax(0, 1fr);
  }
  .longform__rail {
    border-top: 1px solid var(--line);
    padding-top: var(--sp-6);
    margin-top: var(--sp-8);
  }
}
@media (max-width: 760px) {
  .pullquote {
    float: none;
    width: auto;
    margin: var(--sp-6) 0;
    padding-left: var(--sp-4);
  }
  .breadcrumb { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__list {
    display: none;
    position: absolute;
    top: calc(100% + var(--sp-2));
    left: var(--gutter);
    right: var(--gutter);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--card);
    border: 1px solid var(--rule-strong);
    border-radius: var(--radius);
    padding: var(--sp-2) var(--sp-4) var(--sp-2);
    box-shadow: 0 8px 24px -4px var(--shadow-warm);
  }
  .nav--open .nav__list { display: flex; }
  .nav__link {
    width: 100%;
    padding: var(--sp-3) 0;
    border-bottom: 1px solid var(--line);
  }
  .nav__list .nav__link:last-child { border-bottom: none; }
  .nav--open .nav__link::after { content: none; }
  .nav--open .nav__link .nav__label {
    position: relative;
    display: inline-block;
  }
  .nav--open .nav__link .nav__label::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: var(--underline-h);
    background: currentColor;
    transition: width var(--dur-underline) var(--ease-out);
  }
  .nav--open .nav__link:hover .nav__label::after,
  .nav--open .nav__link:focus-visible .nav__label::after,
  .nav--open .nav__link[aria-current="page"] .nav__label::after {
    width: 100%;
  }
  .topbar { position: sticky; }
}
@media (max-width: 560px) {
  .constellation svg { display: none; }
  .constellation__list { display: block; }
}
@media (max-width: 480px) {
  :root {
    --fs-body: var(--fs-body-sm);
    --gutter: 20px;
    --fs-hero: clamp(30px, 8.5vw, 40px);
  }
  .email-capture__form { flex-direction: column; align-items: stretch; }
  .email-capture__form .field { flex: 0 1 auto; }
  .email-capture__form .btn { width: 100%; margin-top: 0; }
}
@media print {
  .dusk-wash, .grain, .topbar, .nav, .confetti-canvas,
  .email-capture, .star-toggle, #share-btn, .footer__extra { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  a { color: #000; text-decoration: underline; }
  a::after { content: ""; }
  .longform { display: block; }
  .longform__rail { position: static; border-top: 1px solid #999; margin-top: 1rem; }
  .settle, .gentle-reveal { opacity: 1 !important; transform: none !important; }
  .footnotes { display: block; }
  .card, .module, .email-capture { border: 1px solid #999; box-shadow: none; }
  h1, h2, h3 { color: #000; page-break-after: avoid; }
  p, blockquote, .pullquote { page-break-inside: avoid; }
  @page {
    @bottom-right {
      content: counter(page) " / " counter(pages);
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      font-size: 9pt;
      color: #000;
    }
  }
}
@media (prefers-reduced-motion: reduce), (update: slow), (update: none) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  ::view-transition-group(*),
  ::view-transition-image-pair(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
  .settle, .gentle-reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .link::after,
  .prose a:not(.cite)::after,
  .breadcrumb a::after,
  .footer__nav a::after {
    opacity: 1;
    width: 100%;
    transform: scaleY(var(--underline-thin));
    transform-origin: bottom;
    transition: none;
  }
  .link:hover::after,
  .link:focus-visible::after,
  .prose a:not(.cite):hover::after,
  .prose a:not(.cite):focus-visible::after,
  .breadcrumb a:hover::after,
  .breadcrumb a:focus-visible::after,
  .footer__nav a:hover::after,
  .footer__nav a:focus-visible::after {
    transform: scaleY(1);
  }
  .nav__link:hover::after,
  .nav__link:focus-visible::after,
  .nav__link[aria-current="page"]::after {
    opacity: 1;
    width: 100%;
    transform: none;
    transition: none;
  }
  .card:hover, .card:focus-within { transform: none; }
  .btn:active, .btn--text:active, .star-toggle:active, .nav__toggle:active { transform: none; }
  .flag-row:hover, .flag-row:focus-within,
  .part-nav:hover, .part-nav:focus-visible { transform: none; }
  .chip:active, .flag-row__read:active, .card--link:active, .part-nav:active, .brand:active { transform: none; }
  .running-meta__tier:active .badge { transform: none; }
  .star-toggle.is-blooming .star-toggle__glyph { animation: none; }
  .dawn { animation: none; opacity: 1; }
  .choice.is-correct .choice__bloom { animation: none; }
  .progress__fill { transition: none; }
  .reveal-panel { transition: none; }
}