/* HTO & Beyond Insights
   Article and author layouts follow the site's monochrome studio language.
   The article system uses wide editorial composition, a readable central
   column, and supporting rails for summary, navigation, sharing, and signup. */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body:has(.insight-page),
body:has(.author-page) { background: var(--paper); }
body:has(.insight-page) .nav,
body:has(.author-page) .nav { background: rgb(255 255 255 / 90%); }
body:has(.insight-page) .nav__link[href="/#latest"],
body:has(.author-page) .nav__link[href="/#latest"] { color: var(--muted); }

.insight-page,
.author-page { overflow: clip; background: var(--paper); }

.insight-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  margin: 0;
  color: var(--muted-2);
  font: 500 12px / 1.3 var(--font-sans);
}
.insight-breadcrumbs a { color: var(--muted); }
.insight-breadcrumbs a:hover { color: var(--ink); }
.insight-breadcrumbs span[aria-current="page"] {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.insight-kicker {
  margin: 0 0 20px;
  color: var(--muted);
  font: 600 11px / 1.2 var(--font-sans);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

/* Article header */
.insight-hero {
  padding: 34px var(--page-margin) 0;
  background: var(--paper);
}
.insight-hero__inner {
  width: min(100%, 1020px);
  margin: 0 auto;
}
.insight-hero__copy { padding: clamp(76px, 8vw, 126px) 0 clamp(46px, 5vw, 72px); }
.insight-hero h1 {
  max-width: 18ch;
  margin: 0;
  color: var(--ink);
  font: 600 clamp(48px, 5.4vw, 82px) / 0.99 var(--font-sans);
  letter-spacing: -0.063em;
  text-wrap: balance;
}
.insight-hero__dek {
  max-width: 720px;
  margin: 32px 0 0;
  color: var(--muted);
  font: 400 clamp(18px, 1.55vw, 22px) / 1.55 var(--font-sans);
  letter-spacing: -0.022em;
}
.insight-meta {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) 0.8fr 0.8fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.insight-meta > span,
.insight-meta__author {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  color: var(--ink);
}
.insight-meta__author:hover { color: var(--muted); }
.insight-meta__author img {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 22%;
  filter: grayscale(1);
}
.insight-meta small,
.insight-meta strong { display: block; }
.insight-meta small { margin-bottom: 5px; color: var(--muted-2); font: 500 11px / 1.2 var(--font-sans); }
.insight-meta strong { color: currentColor; font: 600 13px / 1.25 var(--font-sans); }
.insight-hero__media {
  width: min(100%, 1540px);
  margin: 64px auto 0;
  padding: 10px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: 27px;
  background: var(--paper);
  box-shadow: 0 24px 70px rgb(11 11 12 / 8%);
}
.insight-hero__media img {
  width: 100%;
  height: clamp(540px, 45vw, 790px);
  border-radius: 19px;
  object-fit: cover;
}
.insight-hero__media figcaption,
.insight-media figcaption {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  padding: 16px 5px 5px;
  color: var(--muted);
  font: 400 11px / 1.45 var(--font-sans);
}
.insight-hero__media figcaption span:last-child,
.insight-media figcaption span:last-child { color: var(--muted-2); text-align: right; white-space: nowrap; }

/* Three-part editorial grid */
.insight-layout {
  display: grid;
  grid-template-columns: minmax(220px, 250px) minmax(0, 820px) minmax(260px, 300px);
  gap: clamp(22px, 2.1vw, 34px);
  justify-content: center;
  align-items: start;
  padding-top: clamp(86px, 8vw, 132px);
  padding-bottom: clamp(100px, 10vw, 160px);
  background: var(--paper);
}
.insight-left-rail,
.insight-right-rail { min-width: 0; }
.insight-right-rail { align-self: stretch; }
.insight-left-rail,
.insight-right-rail__sticky {
  position: sticky;
  top: 94px;
}
.insight-right-rail__sticky { display: grid; gap: 18px; }
.insight-rail-card {
  padding: 27px;
  border: 1px solid var(--line-2);
  border-radius: 19px;
  background: var(--paper);
  box-shadow: 0 18px 54px rgb(11 11 12 / 6%);
}
.insight-rail-card__eyebrow {
  margin: 0 0 18px;
  color: var(--ink);
  font: 600 20px / 1.2 var(--font-sans);
  letter-spacing: -0.035em;
}
.insight-rail-card--summary { background: var(--paper-2); box-shadow: none; }
.insight-rail-card--summary ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: insight-summary;
}
.insight-rail-card--summary li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 11px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font: 400 13px / 1.5 var(--font-sans);
  counter-increment: insight-summary;
}
.insight-rail-card--summary li::before {
  content: "0" counter(insight-summary);
  padding-top: 2px;
  color: var(--muted-2);
  font: 600 9px / 1.4 var(--font-sans);
}
.insight-rail-card--toc nav { display: grid; }
.insight-rail-card--toc nav a {
  padding: 9px 0 9px 15px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font: 500 12px / 1.4 var(--font-sans);
  transition: border-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}
.insight-rail-card--toc nav a:hover,
.insight-rail-card--toc nav a.is-active { border-left-color: var(--ink); color: var(--ink); }
.insight-share { margin-top: 21px; padding-top: 21px; border-top: 1px solid var(--line); }
.insight-share > p { margin: 0 0 12px; color: var(--ink); font: 600 12px / 1.2 var(--font-sans); }
.insight-share > div { display: flex; gap: 8px; }
.insight-share a,
.insight-share button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper-2);
  color: var(--ink);
  font: 600 13px / 1 var(--font-sans);
  cursor: pointer;
}
.insight-share a:hover,
.insight-share button:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.insight-share__status { display: block; min-height: 16px; margin-top: 8px; color: var(--muted); font: 500 10px / 1.4 var(--font-sans); }
.insight-rail-card--signup { background: var(--paper-2); box-shadow: none; }
.insight-rail-card--signup h2 {
  margin: 0;
  color: var(--ink);
  font: 600 20px / 1.12 var(--font-sans);
  letter-spacing: -0.04em;
}
.insight-rail-card--signup > p:not(.insight-rail-card__eyebrow) {
  margin: 15px 0 0;
  color: var(--muted);
  font: 400 13px / 1.48 var(--font-sans);
}
.insight-rail-card--signup form { display: grid; gap: 9px; margin-top: 20px; }
.insight-rail-card--signup label { color: var(--muted); font: 600 10px / 1.2 var(--font-sans); }
.insight-rail-card--signup input {
  width: 100%;
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 9px;
  outline: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 13px / 1 var(--font-sans);
}
.insight-rail-card--signup input:focus { border-color: var(--ink); box-shadow: 0 0 0 2px rgb(11 11 12 / 10%); }
.insight-rail-card--signup .btn { width: 100%; justify-content: space-between; min-height: 44px; }
.insight-rail-card--signup [data-signup-status] { min-height: 16px; color: var(--muted); font: 500 10px / 1.4 var(--font-sans); }
.insight-mobile-toc { display: none; }

/* Article typography */
.insight-article { min-width: 0; color: var(--ink-soft); }
.insight-article > section {
  scroll-margin-top: 100px;
  margin-top: clamp(70px, 7vw, 104px);
}
.insight-article > section:first-child { margin-top: 0; }
.insight-article p {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font: 400 clamp(18px, 1.2vw, 20px) / 1.7 var(--font-sans);
  letter-spacing: -0.017em;
}
.insight-article__lead {
  margin-bottom: 34px !important;
  color: var(--ink) !important;
  font-size: clamp(22px, 1.6vw, 26px) !important;
  font-weight: 500 !important;
  line-height: 1.52 !important;
  letter-spacing: -0.035em !important;
}
.insight-section-number {
  margin-bottom: 16px !important;
  color: var(--muted-2) !important;
  font: 600 10px / 1.2 var(--font-sans) !important;
  letter-spacing: 0.1em !important;
  text-transform: uppercase;
}
.insight-article h2 {
  max-width: 19ch;
  margin: 0 0 31px;
  color: var(--ink);
  font: 600 clamp(34px, 3.1vw, 48px) / 1.04 var(--font-sans);
  letter-spacing: -0.052em;
  text-wrap: balance;
}
.insight-article h3 {
  margin: 0;
  color: var(--ink);
  font: 600 clamp(23px, 2vw, 30px) / 1.12 var(--font-sans);
  letter-spacing: -0.04em;
}

/* Reusable article blocks */
.insight-callout {
  margin: clamp(50px, 5vw, 72px) 0;
  padding: clamp(28px, 3.4vw, 44px);
  border-radius: 18px;
}
.insight-callout__label {
  margin-bottom: 13px !important;
  color: var(--muted) !important;
  font: 600 10px / 1.2 var(--font-sans) !important;
  letter-spacing: 0.11em !important;
  text-transform: uppercase;
}
.insight-callout--questions { border: 1px solid var(--line); background: var(--paper-2); }
.insight-callout--questions ol {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 26px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: insight-questions;
}
.insight-callout--questions li {
  display: grid;
  grid-template-columns: 25px minmax(0, 1fr);
  gap: 10px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font: 500 13px / 1.45 var(--font-sans);
  counter-increment: insight-questions;
}
.insight-callout--questions li::before { content: "0" counter(insight-questions); color: var(--muted-2); font-size: 9px; }
.insight-callout--takeaways { padding: clamp(34px, 4.2vw, 54px); background: var(--ink); color: var(--paper); }
.insight-callout--takeaways .insight-callout__label { color: rgb(255 255 255 / 55%) !important; }
.insight-callout--takeaways h2 { color: var(--paper); }
.insight-callout--takeaways ul { display: grid; gap: 0; margin: 26px 0 0; padding: 0; list-style: none; }
.insight-callout--takeaways li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid rgb(255 255 255 / 16%);
  color: rgb(255 255 255 / 86%);
  font: 400 15px / 1.5 var(--font-sans);
}
.insight-callout--takeaways li::before { content: ""; width: 6px; height: 6px; margin-top: 8px; border-radius: 50%; background: var(--paper); }
.insight-media {
  margin: clamp(54px, 6vw, 86px) 0;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
}
.insight-media--photo img { width: 100%; aspect-ratio: 16 / 10; border-radius: 15px; object-fit: cover; }
.insight-media--diagram { padding: clamp(25px, 3vw, 38px); background: var(--paper-2); }
.insight-media--diagram > h3 { max-width: 14ch; margin-top: 44px; }
.insight-diagram__head { display: flex; justify-content: space-between; gap: 24px; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.insight-diagram__head p,
.insight-diagram__head span { margin: 0; color: var(--muted); font: 600 10px / 1.2 var(--font-sans); letter-spacing: 0.08em; text-transform: uppercase; }
.insight-diagram__head span { color: var(--muted-2); text-align: right; }
.insight-process-map {
  display: grid;
  grid-template-columns: minmax(95px, 1fr) 24px minmax(95px, 1fr) 24px minmax(95px, 1fr) 24px minmax(95px, 1fr) 24px minmax(95px, 1fr);
  align-items: center;
  margin: 42px 0 20px;
}
.insight-process-map div { min-width: 0; }
.insight-process-map span,
.insight-process-map strong,
.insight-process-map small { display: block; }
.insight-process-map span { margin-bottom: 28px; color: var(--muted-2); font: 600 9px / 1 var(--font-sans); }
.insight-process-map strong { color: var(--ink); font: 600 13px / 1.25 var(--font-sans); }
.insight-process-map small { margin-top: 7px; color: var(--muted); font: 400 10px / 1.35 var(--font-sans); }
.insight-process-map i { position: relative; height: 1px; margin: 0 6px; background: var(--line); }
.insight-process-map i::after { content: ""; position: absolute; top: 50%; right: 0; width: 5px; height: 5px; border-top: 1px solid var(--muted-2); border-right: 1px solid var(--muted-2); transform: translateY(-50%) rotate(45deg); }
.insight-media--diagram figcaption { margin-top: 30px; padding-top: 17px; border-top: 1px solid var(--line); }
.insight-checklist { margin: 40px 0 0; border-top: 1px solid var(--line); }
.insight-checklist > div { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 20px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.insight-checklist > div > span { padding-top: 4px; color: var(--muted-2); font: 600 10px / 1.2 var(--font-sans); }
.insight-checklist p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.insight-checklist strong { display: block; margin-bottom: 7px; color: var(--ink); font: 600 17px / 1.2 var(--font-sans); }
.insight-close { padding-top: 70px; border-top: 1px solid var(--line); }
.insight-close h2 { max-width: 16ch; }
.insight-close p:not(.insight-section-number) { color: var(--muted); }
.insight-close .btn { margin-top: 9px; }
.insight-sources { padding-top: 70px; border-top: 1px solid var(--line); }
.insight-sources ol { margin: 38px 0 0; padding: 0; list-style: none; counter-reset: insight-sources; }
.insight-sources li { display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 0 18px; padding: 21px 0; border-top: 1px solid var(--line); counter-increment: insight-sources; }
.insight-sources li::before { content: "0" counter(insight-sources); grid-row: 1 / span 2; padding-top: 4px; color: var(--muted-2); font: 600 9px / 1.2 var(--font-sans); }
.insight-sources a { color: var(--ink); font: 600 14px / 1.4 var(--font-sans); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.insight-sources li span { margin-top: 8px; color: var(--muted); font: 400 12px / 1.45 var(--font-sans); }

/* Author, post navigation, and related reading */
.insight-author-card {
  display: grid;
  grid-template-columns: 190px minmax(0, 670px);
  gap: clamp(34px, 5vw, 70px);
  justify-content: center;
  align-items: center;
  padding-top: clamp(72px, 8vw, 112px);
  padding-bottom: clamp(72px, 8vw, 112px);
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.insight-author-card > img { width: 190px; height: 190px; border-radius: 50%; object-fit: cover; object-position: center 22%; filter: grayscale(1); }
.insight-author-card div > p:first-child { margin: 0 0 9px; color: var(--muted); font: 600 10px / 1.2 var(--font-sans); letter-spacing: 0.1em; text-transform: uppercase; }
.insight-author-card h2 { margin: 0; color: var(--ink); font: 600 clamp(31px, 3vw, 46px) / 1 var(--font-sans); letter-spacing: -0.05em; }
.insight-author-card h2 + p { max-width: 620px; margin: 20px 0 25px; color: var(--muted); font: 400 16px / 1.58 var(--font-sans); }
.insight-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 0;
  padding-bottom: clamp(92px, 10vw, 150px);
  background: var(--paper);
}
.insight-post-nav a { min-height: 190px; padding: 31px; border: 1px solid var(--line); color: var(--ink); }
.insight-post-nav a:first-child { border-radius: 18px 0 0 18px; }
.insight-post-nav a:last-child { border-left: 0; border-radius: 0 18px 18px 0; text-align: right; }
.insight-post-nav a:hover { background: var(--paper-2); color: var(--ink); }
.insight-post-nav span { display: block; margin-bottom: 55px; color: var(--muted); font: 600 10px / 1.2 var(--font-sans); letter-spacing: 0.08em; text-transform: uppercase; }
.insight-post-nav strong { display: inline-block; max-width: 28ch; font: 600 clamp(20px, 2vw, 28px) / 1.16 var(--font-sans); letter-spacing: -0.04em; }
.insight-related {
  padding-top: clamp(90px, 9vw, 140px);
  padding-bottom: clamp(110px, 11vw, 170px);
  background: var(--paper-2);
}
.insight-related > p { margin: 0 0 10px; color: var(--muted); font: 600 10px / 1.2 var(--font-sans); letter-spacing: 0.1em; text-transform: uppercase; }
.insight-related > h2 { margin: 0 0 52px; color: var(--ink); font: 600 clamp(45px, 5vw, 72px) / 0.98 var(--font-sans); letter-spacing: -0.06em; }
.insight-related__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
.insight-related__grid a { min-width: 0; padding: 9px 9px 32px; border-radius: 18px; background: var(--paper); color: var(--ink); }
.insight-related__grid img { width: 100%; aspect-ratio: 16 / 10; border-radius: 11px; object-fit: cover; filter: saturate(0.72); transition: transform 600ms var(--ease-out), filter 600ms var(--ease-out); }
.insight-related__grid a:hover img { transform: scale(0.985); filter: saturate(0.9); }
.insight-related__grid span { display: block; margin: 24px 20px 0; color: var(--muted-2); font: 500 10px / 1.3 var(--font-sans); }
.insight-related__grid h3 { max-width: 25ch; margin: 12px 20px 0; font: 600 clamp(20px, 2vw, 29px) / 1.12 var(--font-sans); letter-spacing: -0.045em; }

/* Author page */
.author-hero { padding-top: 34px; padding-bottom: clamp(100px, 10vw, 160px); }
.author-hero__grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(54px, 8vw, 130px);
  align-items: center;
  margin-top: clamp(55px, 7vw, 100px);
}
.author-hero__portrait { min-height: 680px; overflow: hidden; border-radius: 22px; background: var(--paper-2); }
.author-hero__portrait img { width: 100%; height: 100%; min-height: 680px; object-fit: cover; object-position: center 18%; filter: grayscale(1); }
.author-hero__copy h1 { max-width: 12ch; margin: 0; color: var(--ink); font: 600 clamp(58px, 7vw, 108px) / 0.92 var(--font-sans); letter-spacing: -0.07em; }
.author-hero__role { margin: 28px 0 0; color: var(--ink); font: 600 clamp(18px, 1.6vw, 23px) / 1.4 var(--font-sans); letter-spacing: -0.025em; }
.author-hero__lead { max-width: 670px; margin: 28px 0 0; color: var(--muted); font: 400 clamp(18px, 1.4vw, 21px) / 1.62 var(--font-sans); }
.author-hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 29px; margin-top: 36px; }
.author-about { display: grid; grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr); gap: clamp(60px, 11vw, 180px); padding-top: clamp(95px, 10vw, 155px); padding-bottom: clamp(95px, 10vw, 155px); border-top: 1px solid var(--line); }
.author-about h2,
.author-lens h2,
.author-articles h2 { max-width: 14ch; margin: 0; color: var(--ink); font: 600 clamp(43px, 5vw, 74px) / 0.98 var(--font-sans); letter-spacing: -0.06em; }
.author-about__body { padding-top: 47px; }
.author-about__body p { max-width: 700px; margin: 0 0 27px; color: var(--muted); font: 400 clamp(17px, 1.35vw, 20px) / 1.65 var(--font-sans); }
.author-lens { padding-top: clamp(95px, 10vw, 150px); padding-bottom: clamp(105px, 11vw, 165px); background: var(--paper-2); }
.author-lens__head { display: flex; justify-content: space-between; gap: 60px; align-items: end; margin-bottom: 65px; }
.author-lens__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--line); }
.author-lens__grid article { min-height: 310px; padding: clamp(25px, 2.7vw, 39px); background: var(--paper); }
.author-lens__grid span { color: var(--muted-2); font: 600 10px / 1.2 var(--font-sans); }
.author-lens__grid h3 { margin: 82px 0 0; color: var(--ink); font: 600 clamp(20px, 1.8vw, 28px) / 1.1 var(--font-sans); letter-spacing: -0.045em; }
.author-lens__grid p { margin: 20px 0 0; color: var(--muted); font: 400 13px / 1.52 var(--font-sans); }
.author-articles { padding-top: clamp(100px, 10vw, 155px); padding-bottom: clamp(115px, 12vw, 180px); }
.author-articles__head { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr); gap: 60px; align-items: end; margin-bottom: 68px; }
.author-articles__head > p { max-width: 420px; margin: 0; color: var(--muted); font: 400 16px / 1.55 var(--font-sans); }
.author-articles__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.author-article-card { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 27px; min-height: 270px; padding: 9px 28px 9px 9px; border-radius: 18px; background: var(--paper-2); color: var(--ink); }
.author-article-card--featured { grid-column: 1 / -1; grid-template-columns: minmax(380px, 1.15fr) minmax(0, 0.85fr); min-height: 520px; padding-right: clamp(34px, 5vw, 76px); }
.author-article-card img { width: 100%; height: 100%; min-height: 250px; border-radius: 11px; object-fit: cover; filter: saturate(0.76); }
.author-article-card--featured img { min-height: 500px; }
.author-article-card > div { align-self: end; padding: 0 0 27px; }
.author-article-card span { display: block; color: var(--muted-2); font: 500 10px / 1.3 var(--font-sans); }
.author-article-card h3 { max-width: 25ch; margin: 13px 0 0; font: 600 clamp(20px, 2.2vw, 34px) / 1.08 var(--font-sans); letter-spacing: -0.05em; }
.author-article-card--featured h3 { font-size: clamp(34px, 4vw, 58px); }
.author-article-card p { max-width: 520px; margin: 20px 0 0; color: var(--muted); font: 400 15px / 1.55 var(--font-sans); }

@media (max-width: 1220px) {
  .insight-layout {
    grid-template-columns: minmax(0, 790px) minmax(260px, 320px);
    grid-template-areas: "summary rail" "article rail";
  }
  .insight-left-rail { grid-area: summary; position: static; }
  .insight-left-rail .insight-rail-card--summary { padding: 31px; }
  .insight-left-rail .insight-rail-card--summary ul { grid-template-columns: 1fr 1fr; gap: 0 26px; }
  .insight-article { grid-area: article; }
  .insight-right-rail { grid-area: rail; }
  .author-lens__grid { grid-template-columns: 1fr 1fr; }
  .author-lens__grid article { min-height: 250px; }
}

@media (max-width: 900px) {
  .insight-hero { padding-top: 24px; }
  .insight-hero__copy { padding-top: 64px; }
  .insight-hero__media { margin-top: 42px; border-radius: 22px; }
  .insight-hero__media img { height: clamp(380px, 70vw, 600px); border-radius: 15px; }
  .insight-layout { display: block; width: min(100%, 850px); }
  .insight-left-rail { margin-bottom: 54px; }
  .insight-right-rail { margin-top: 72px; }
  .insight-right-rail__sticky { position: static; grid-template-columns: 1fr 1fr; }
  .insight-rail-card--toc { display: none; }
  .insight-mobile-toc { display: block; margin-top: 14px; border: 1px solid var(--line); border-radius: 14px; }
  .insight-mobile-toc summary { padding: 17px 20px; color: var(--ink); font: 600 13px / 1.2 var(--font-sans); cursor: pointer; }
  .insight-mobile-toc nav { display: grid; padding: 0 20px 17px; }
  .insight-mobile-toc a { padding: 9px 0; border-top: 1px solid var(--line); color: var(--muted); font: 500 12px / 1.4 var(--font-sans); }
  .author-hero__grid { grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr); gap: 48px; }
  .author-hero__portrait,
  .author-hero__portrait img { min-height: 520px; }
  .author-about { grid-template-columns: 1fr; gap: 15px; }
  .author-about__body { padding-top: 0; }
  .author-articles__head { grid-template-columns: 1fr; }
  .author-articles__grid { grid-template-columns: 1fr; }
  .author-article-card--featured { grid-column: auto; }
}

@media (max-width: 680px) {
  .insight-breadcrumbs { gap: 8px; }
  .insight-hero { padding-right: 16px; padding-left: 16px; }
  .insight-hero__copy { padding: 55px 0 39px; }
  .insight-hero h1 { max-width: 100%; font-size: clamp(39px, 11vw, 52px); line-height: 1.01; }
  .insight-hero__dek { margin-top: 23px; font-size: 17px; }
  .insight-meta { grid-template-columns: 1.2fr 0.8fr; gap: 22px 16px; padding: 22px 0; }
  .insight-meta > span:last-child { grid-column: 1 / -1; padding-top: 17px; border-top: 1px solid var(--line); }
  .insight-meta__author img { display: none; }
  .insight-hero__media { padding: 5px; }
  .insight-hero__media img { height: 68vw; min-height: 280px; }
  .insight-hero__media figcaption,
  .insight-media figcaption { grid-template-columns: 1fr; gap: 6px; }
  .insight-hero__media figcaption span:last-child,
  .insight-media figcaption span:last-child { text-align: left; }
  .insight-layout { padding-top: 64px; padding-bottom: 100px; }
  .insight-left-rail .insight-rail-card--summary { padding: 24px; }
  .insight-left-rail .insight-rail-card--summary ul { grid-template-columns: 1fr; }
  .insight-article p { font-size: 17px; line-height: 1.66; }
  .insight-article__lead { font-size: 21px !important; }
  .insight-article h2 { font-size: 34px; }
  .insight-callout--questions ol { grid-template-columns: 1fr; }
  .insight-media { margin-right: -10px; margin-left: -10px; }
  .insight-media--diagram { padding: 24px; }
  .insight-process-map { display: grid; grid-template-columns: 1fr; margin-top: 34px; }
  .insight-process-map div { padding: 18px 0; border-top: 1px solid var(--line); }
  .insight-process-map span { margin-bottom: 10px; }
  .insight-process-map i { width: 1px; height: 22px; margin: 0 0 0 4px; }
  .insight-process-map i::after { top: auto; right: auto; bottom: 0; left: -2px; transform: rotate(135deg); }
  .insight-right-rail__sticky { grid-template-columns: 1fr; }
  .insight-author-card { grid-template-columns: 90px minmax(0, 1fr); gap: 22px; align-items: start; }
  .insight-author-card > img { width: 90px; height: 90px; }
  .insight-author-card h2 { font-size: 29px; }
  .insight-author-card h2 + p { grid-column: 1 / -1; font-size: 15px; }
  .insight-post-nav { grid-template-columns: 1fr; gap: 4px; }
  .insight-post-nav a:first-child,
  .insight-post-nav a:last-child { border: 1px solid var(--line); border-radius: 14px; text-align: left; }
  .insight-post-nav span { margin-bottom: 35px; }
  .insight-related__grid { grid-template-columns: 1fr; gap: 8px; }
  .author-hero { padding-top: 24px; }
  .author-hero__grid { grid-template-columns: 1fr; margin-top: 42px; }
  .author-hero__portrait,
  .author-hero__portrait img { min-height: 560px; }
  .author-hero__copy h1 { font-size: 58px; }
  .author-about h2,
  .author-lens h2,
  .author-articles h2 { font-size: 43px; }
  .author-lens__head { display: block; }
  .author-lens__grid { grid-template-columns: 1fr; }
  .author-lens__grid article { min-height: 235px; }
  .author-lens__grid h3 { margin-top: 55px; }
  .author-article-card,
  .author-article-card--featured { grid-template-columns: 1fr; min-height: 0; padding: 8px 8px 29px; }
  .author-article-card img,
  .author-article-card--featured img { min-height: 0; aspect-ratio: 16 / 10; }
  .author-article-card > div { padding: 18px 18px 0; }
  .author-article-card--featured h3 { font-size: 35px; }
}

@media (prefers-reduced-motion: reduce) {
  .insight-related__grid img { transition: none; }
}