/* Shared publication chrome. Tokens match About / homepage. */
:root {
  --navy: #0F1B2D;
  --card: #16263D;
  --light: #F5F7FA;
  --ink: #0F1B2D;
  --muted: #4A5568;
  --white: #ffffff;
  --orange: #F7931A;
  --teal: #14B8A6;
  --teal-light: #5EEAD4;
  --teal-tint: rgba(20, 184, 166, 0.12);
  --teal-deep: #0F766E;
  --slate: #94A3B8;
  --card-border: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }

html {
  background: var(--navy);
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--white);
  font-family: Montserrat, Helvetica, Arial, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.7;
  overflow-x: clip;
  overflow-wrap: anywhere;
}

a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--orange);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.skip:focus { top: 12px; }

.nav {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 16px;
  background: var(--navy);
}

.nav .logo { height: 36px; width: auto; flex: 0 0 auto; }

.nav-links { display: flex; align-items: center; gap: 16px; min-width: 0; }

.nav-links a {
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links a.nav-start {
  padding: 6px 12px;
  border: 1.5px solid var(--teal);
  border-radius: 10px;
  color: var(--teal-light);
}

.nav-links a.nav-start:hover { background: var(--teal-tint); }

.wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 0 16px;
}

.hero { padding: 40px 0 48px; }

.crumb {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 600;
}

.crumb a { color: var(--teal-light); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-light);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 12px;
  font-size: 36px;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.lede {
  margin: 0 0 16px;
  max-width: 42em;
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  font-weight: 500;
}

.edition {
  margin: 0;
  max-width: 42em;
  color: var(--slate);
  font-size: 15px;
  font-weight: 500;
}

.paper {
  background: var(--light);
  color: var(--ink);
  padding: 40px 0 72px;
}

.paper-grid { display: grid; gap: 28px; }

.toc {
  padding: 20px;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  background: var(--white);
}

.toc-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toc-label {
  display: block;
  margin: 0 0 12px;
  color: var(--teal-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.toc-check:not(:checked) ~ ol { display: none; }

.toc ol {
  margin: 0;
  padding-left: 1.2em;
}

.toc li { margin: 0 0 8px; }

.toc a {
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.toc a:hover { color: var(--teal-deep); text-decoration: underline; }

.paper-body {
  max-width: 65ch;
  min-width: 0;
}

.paper-body > :first-child { margin-top: 0; }

.paper-body h2,
.paper-body h3 {
  margin: 1.7em 0 0.6em;
  font-weight: 800;
  line-height: 1.25;
}

.paper-body h2 { font-size: 26px; }
.paper-body h3 { font-size: 20px; color: var(--teal-deep); }

.paper-body p { margin: 0 0 1.25em; }

.paper-body p.note {
  padding: 14px 16px;
  border-left: 3px solid var(--teal);
  background: #fff;
  border-radius: 0 12px 12px 0;
}

.paper-body ul,
.paper-body ol {
  margin: 0 0 1.25em;
  padding-left: 1.25em;
}

.paper-body li { margin: 0 0 0.45em; }

.paper-body hr {
  margin: 2em 0;
  border: 0;
  border-top: 1px solid #D0D7E2;
}

.paper-body a { color: var(--teal-deep); font-weight: 600; }

.paper-body blockquote {
  margin: 0 0 1.25em;
  padding: 20px 22px;
  border-left: 3px solid var(--teal);
  background: #fff;
  border-radius: 0 16px 16px 0;
}

.paper-body blockquote p {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  font-style: italic;
  line-height: 1.5;
}

.pub-list {
  list-style: none;
  margin: 28px 0 64px;
  padding: 0;
}

.pub-list li { margin: 0 0 16px; }

.pub-list a {
  display: block;
  padding: 22px 20px;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  background: var(--card);
  color: var(--white);
  text-decoration: none;
}

.pub-list a:hover { border-color: var(--teal); }

.pub-list .kind {
  display: block;
  margin: 0 0 8px;
  color: var(--teal-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pub-list .title {
  display: block;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.25;
}

.pub-list .sub {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 500;
}

.pub-list .kicker {
  display: block;
  margin-top: 10px;
  color: var(--slate);
  font-size: 14px;
}

.site-foot {
  padding: 32px 20px 40px;
  background: #0B1422;
  text-align: center;
}

.site-foot p {
  margin: 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 14px;
}

@media (min-width: 900px) {
  body { font-size: 19px; }
  .nav { padding: 0 32px; }
  .nav .logo { height: 40px; }
  .wrap { padding: 0 32px; }
  h1 { font-size: 48px; }
  .hero { padding: 56px 0 64px; }
  .paper { padding: 56px 0 96px; }
  .paper-grid {
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }
  .toc { position: sticky; top: 20px; }
  .toc-check:not(:checked) ~ ol { display: block; }
  .toc-label { cursor: default; pointer-events: none; }
  .paper-body h2 { font-size: 28px; }
}

@media (max-width: 414px) {
  h1 { font-size: 28px; }
  .hero { padding: 28px 0 32px; }
  .paper { padding: 28px 0 48px; }
  .paper-body h2 { font-size: 22px; }
  .toc { padding: 16px; }
  .pub-list a { padding: 16px 14px; }
}

@media (max-width: 360px) {
  .nav { padding: 0 12px; }
  .nav .logo { height: 32px; }
  .nav-links { gap: 12px; }
  .wrap { padding: 0 12px; }
  h1 { font-size: 26px; }
}

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