:root {
  color-scheme: light;
  --bg: #f7f9fb;
  --surface: #ffffff;
  --surface-2: #eef6f6;
  --ink: #111827;
  --body: #344054;
  --muted: #667085;
  --line: #d9e2ec;
  --line-strong: #b7c5d6;
  --blue: #2563eb;
  --blue-dark: #173da6;
  --green: #059669;
  --green-soft: #dff7ec;
  --amber: #f59e0b;
  --amber-soft: #fff2cc;
  --red: #dc2626;
  --indigo: #4f46e5;
  --shadow: 0 24px 60px rgba(17, 24, 39, .12);
  --shadow-soft: 0 14px 34px rgba(17, 24, 39, .08);
  --radius: 8px;
  --header-h: 76px;
  --font-ui: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Lora", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(238, 246, 246, .9) 0, rgba(247, 249, 251, .9) 36rem),
    var(--bg);
  color: var(--body);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-150%);
  background: var(--ink);
  color: white;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.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;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  z-index: 90;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--amber));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, .88);
  border-bottom: 1px solid rgba(217, 226, 236, .9);
  backdrop-filter: blur(18px);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--ink);
  font-weight: 800;
}

.brand img {
  width: 150px;
  height: auto;
  object-fit: contain;
}

.brand span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  border-left: 1px solid var(--line);
  color: var(--blue-dark);
  font-size: .84rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: #334155;
  font-size: .93rem;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: #eef6ff;
  color: var(--blue-dark);
}

.site-nav .nav-cta {
  background: var(--ink);
  color: #fff;
  padding-inline: 16px;
  margin-left: 6px;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: var(--blue);
  color: #fff;
}

.icon-button {
  width: 42px;
  height: 42px;
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}

.hero-section {
  position: relative;
  padding: 70px 0 46px;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 150, 105, .08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, #000 0, transparent 72%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .68fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.05;
  letter-spacing: 0;
}

h1,
.article-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.55rem, 7vw, 5.45rem);
  font-weight: 700;
}

.hero-lead {
  max-width: 720px;
  margin: 24px 0 0;
  color: #384456;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 11px 18px;
  font-weight: 800;
  line-height: 1.1;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 14px 28px rgba(37, 99, 235, .22);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--blue-dark);
}

.button.secondary {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--ink);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: var(--blue);
  color: var(--blue-dark);
  box-shadow: var(--shadow-soft);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: .86rem;
  font-weight: 700;
}

.hero-proof strong {
  color: var(--ink);
}

.ops-panel,
.featured-article,
.brief-card,
.article-card,
.newsletter-card,
.aside-card,
.related-card {
  background: rgba(255, 255, 255, .92);
  border: 1px solid rgba(183, 197, 214, .82);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.ops-panel {
  padding: 22px;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  font-size: .86rem;
  font-weight: 800;
}

.live-dot {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
}

.live-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(5, 150, 105, .14);
}

.signal-list {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.signal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.signal-row strong {
  display: block;
  color: var(--ink);
  font-size: .98rem;
  line-height: 1.25;
}

.signal-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.signal-pill {
  flex: 0 0 auto;
  min-width: 64px;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: .78rem;
  font-weight: 800;
}

.signal-pill.green {
  background: var(--green-soft);
  color: #047857;
}

.signal-pill.blue {
  background: #dbeafe;
  color: #1d4ed8;
}

.signal-pill.amber {
  background: var(--amber-soft);
  color: #a15c00;
}

.signal-meter {
  height: 8px;
  overflow: hidden;
  background: #e8eef5;
  border-radius: 99px;
}

.signal-meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--green));
}

.signal-meter.amber span {
  background: linear-gradient(90deg, var(--amber), var(--green));
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.panel-grid div {
  min-width: 0;
  background: #f7fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px;
}

.panel-grid strong {
  display: block;
  color: var(--ink);
  font-size: 1.3rem;
  line-height: 1;
}

.panel-grid span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
  line-height: 1.25;
}

.feature-band {
  padding: 36px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(300px, .55fr);
  gap: 20px;
}

.featured-article {
  min-height: 340px;
  padding: clamp(24px, 5vw, 42px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(135deg, rgba(17, 24, 39, .9), rgba(23, 61, 166, .82)),
    #111827;
  color: #e8eef5;
  position: relative;
  overflow: hidden;
}

.featured-article::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  pointer-events: none;
}

.featured-article > * {
  position: relative;
}

.featured-article .eyebrow {
  color: #93c5fd;
}

.featured-article h2 {
  max-width: 800px;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3.2rem);
}

.featured-article p:not(.eyebrow) {
  max-width: 720px;
  margin: 16px 0 20px;
  color: rgba(255, 255, 255, .78);
  font-size: 1.05rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: inherit;
  font-weight: 800;
}

.text-link::after {
  content: "";
  width: 38px;
  height: 2px;
  margin-left: 12px;
  background: currentColor;
}

.brief-stack {
  display: grid;
  gap: 14px;
}

.brief-card {
  min-height: 104px;
  display: grid;
  gap: 6px;
  padding: 18px;
}

.brief-card span {
  color: var(--blue-dark);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.brief-card strong {
  color: var(--ink);
  line-height: 1.25;
}

.brief-card p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.5;
}

.articles-section,
.playbooks-section,
.main-site-section,
.newsletter-section {
  padding: 70px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.section-head h2,
.playbooks-grid h2,
.newsletter-card h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.35rem);
  color: var(--ink);
}

.search-box {
  flex: 0 1 380px;
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.search-box:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}

.search-box svg {
  color: var(--muted);
  flex: 0 0 auto;
}

.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 28px;
}

.filter-button {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--body);
  padding: 8px 12px;
  font-size: .88rem;
  font-weight: 800;
}

.filter-button:hover,
.filter-button:focus-visible,
.filter-button.active {
  border-color: var(--blue);
  background: #eaf2ff;
  color: var(--blue-dark);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.article-card {
  min-height: 342px;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.article-card:hover,
.article-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--blue);
  box-shadow: var(--shadow);
}

.card-visual {
  min-height: 104px;
  padding: 18px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  color: #fff;
  background: var(--card-bg, linear-gradient(135deg, var(--blue), var(--green)));
}

.card-visual span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .32);
  border-radius: var(--radius);
  padding: 4px 8px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.card-visual strong {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: .9;
}

.card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 800;
}

.card-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
}

.article-card h3 {
  font-size: 1.18rem;
  line-height: 1.25;
}

.article-card p {
  margin: 12px 0 18px;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.6;
}

.card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue-dark);
  font-weight: 800;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.tag {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius);
  background: #f1f5f9;
  color: #475569;
  padding: 4px 8px;
  font-size: .74rem;
  font-weight: 800;
}

.empty-state {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 700;
}

.playbooks-section {
  background:
    linear-gradient(180deg, rgba(238, 246, 246, .9), rgba(255, 255, 255, .9));
  border-block: 1px solid var(--line);
}

.playbooks-grid {
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(360px, 1fr);
  gap: 42px;
  align-items: start;
}

.playbooks-grid p {
  max-width: 620px;
  margin: 18px 0 0;
  font-size: 1.05rem;
}

.playbook-list {
  display: grid;
  gap: 12px;
}

.playbook-item {
  min-height: 92px;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.playbook-item:hover,
.playbook-item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--blue);
  box-shadow: var(--shadow-soft);
}

.playbook-item span {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  border-radius: var(--radius);
  color: #fff;
  font-weight: 800;
}

.playbook-item strong,
.playbook-item em {
  display: block;
  min-width: 0;
}

.playbook-item strong {
  color: var(--ink);
  line-height: 1.25;
}

.playbook-item em {
  color: var(--muted);
  font-style: normal;
  font-size: .9rem;
  line-height: 1.5;
}

.main-site-section {
  background: #fff;
}

.main-link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.main-link-card {
  min-height: 184px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.main-link-card:hover,
.main-link-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--blue);
  box-shadow: var(--shadow-soft);
}

.main-link-card span {
  width: fit-content;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  padding: 4px 8px;
  border-radius: var(--radius);
  background: #eaf2ff;
  color: var(--blue-dark);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.main-link-card strong {
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.3;
}

.main-link-card em {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-style: normal;
  font-size: .92rem;
  line-height: 1.55;
}

.newsletter-section.compact {
  padding-top: 36px;
}

.newsletter-card {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(320px, .65fr);
  gap: 28px;
  align-items: center;
  padding: clamp(24px, 5vw, 42px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .98), rgba(238, 246, 246, .92));
}

.newsletter-card p {
  margin: 14px 0 0;
}

.newsletter-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.newsletter-form input {
  min-width: 0;
  min-height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  padding: 0 14px;
  outline: 0;
}

.newsletter-form input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}

.form-note {
  grid-column: 1 / -1;
  min-height: 22px;
  margin: 0;
  color: var(--green);
  font-size: .86rem;
  font-weight: 700;
}

.site-footer {
  padding: 54px 0 28px;
  background: #111827;
  color: rgba(255, 255, 255, .74);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) repeat(3, minmax(160px, .45fr));
  gap: 36px;
}

.footer-grid img {
  width: 150px;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}

.footer-grid p {
  max-width: 470px;
  margin: 0;
}

.footer-grid h2 {
  margin-bottom: 12px;
  color: #fff;
  font-family: var(--font-ui);
  font-size: .82rem;
  line-height: 1.2;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.footer-grid a {
  display: block;
  width: fit-content;
  margin: 9px 0;
  color: rgba(255, 255, 255, .78);
  font-weight: 700;
}

.footer-grid a:hover,
.footer-grid a:focus-visible {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: .86rem;
}

.article-hero {
  padding: 54px 0 34px;
  background:
    linear-gradient(180deg, rgba(238, 246, 246, .92), rgba(247, 249, 251, .98));
  border-bottom: 1px solid var(--line);
}

.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 44px;
  align-items: start;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--blue-dark);
  font-weight: 800;
}

.article-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.article-kicker span {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius);
  background: #eaf2ff;
  color: var(--blue-dark);
  padding: 4px 9px;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.article-hero h1 {
  max-width: 960px;
  font-size: clamp(2.4rem, 6vw, 4.7rem);
}

#article-dek {
  max-width: 820px;
  margin: 20px 0 0;
  color: #384456;
  font-size: clamp(1.04rem, 2vw, 1.24rem);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 24px;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
}

.article-aside {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  display: grid;
  gap: 12px;
}

.aside-card {
  padding: 18px;
}

.aside-card > span {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.toc-list {
  display: grid;
  gap: 8px;
}

.toc-list a {
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
  line-height: 1.35;
}

.toc-list a:hover,
.toc-list a:focus-visible {
  color: var(--blue-dark);
}

.copy-link {
  width: 100%;
}

.main-site-card {
  display: grid;
  gap: 8px;
}

.main-site-card a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
  font-weight: 800;
}

.main-site-card a::after {
  content: "";
  width: 7px;
  height: 7px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.main-site-card a:hover,
.main-site-card a:focus-visible {
  color: var(--blue-dark);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 300px;
  gap: 44px;
  align-items: start;
  padding: 54px 0 36px;
}

.article-body {
  max-width: 760px;
}

.article-body h2,
.article-body h3 {
  margin-top: 38px;
  margin-bottom: 14px;
  color: var(--ink);
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
}

.article-body h3 {
  font-size: 1.22rem;
  line-height: 1.25;
}

.article-body p {
  margin: 0 0 18px;
  color: #39465a;
  font-size: 1.05rem;
  line-height: 1.82;
}

.article-body ul,
.article-body ol {
  margin: 0 0 22px;
  padding-left: 1.25rem;
  color: #39465a;
}

.article-body li {
  margin: 10px 0;
  padding-left: 4px;
}

.article-body blockquote {
  margin: 32px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--blue);
  background: #eef6ff;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--ink);
  font-weight: 700;
}

.article-body code {
  border-radius: 6px;
  background: #eef2f7;
  color: #1f2937;
  padding: 2px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: .92em;
}

.article-body pre {
  overflow-x: auto;
  margin: 24px 0;
  padding: 18px;
  border-radius: var(--radius);
  background: #111827;
  color: #e5e7eb;
  font-size: .92rem;
  line-height: 1.6;
}

.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.insight-box {
  margin: 30px 0;
  padding: 22px;
  background: #f7fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.insight-box strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
}

.checklist {
  display: grid;
  gap: 10px;
  margin: 24px 0;
}

.checklist li {
  list-style: none;
  margin: 0;
  padding: 13px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-card {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  padding: 18px;
}

.related-card h2 {
  margin-bottom: 14px;
  font-family: var(--font-ui);
  font-size: .84rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.related-card a {
  display: block;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.related-card strong {
  display: block;
  color: var(--ink);
  font-size: .95rem;
  line-height: 1.35;
}

.related-card span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 700;
}

@media (max-width: 980px) {
  :root {
    --header-h: 70px;
  }

  .hero-grid,
  .feature-grid,
  .playbooks-grid,
  .newsletter-card,
  .article-hero-grid,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside,
  .related-card {
    position: static;
  }

  .article-layout {
    padding-top: 34px;
  }

  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .main-link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .search-box {
    flex-basis: auto;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    position: sticky;
  }

  .brand img {
    width: 132px;
  }

  .brand span {
    font-size: .76rem;
  }

  .icon-button {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 14px auto 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    justify-content: center;
  }

  .site-nav .nav-cta {
    margin: 4px 0 0;
  }

  .hero-section {
    padding-top: 42px;
  }

  h1,
  .article-hero h1 {
    font-size: clamp(2.35rem, 14vw, 3.8rem);
  }

  .hero-grid {
    gap: 30px;
  }

  .ops-panel {
    padding: 18px;
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }

  .feature-band {
    padding-top: 20px;
  }

  .featured-article {
    min-height: 300px;
  }

  .articles-section,
  .playbooks-section,
  .main-site-section,
  .newsletter-section {
    padding: 50px 0;
  }

  .article-grid,
  .main-link-grid {
    grid-template-columns: 1fr;
  }

  .playbook-item {
    grid-template-columns: 40px 1fr;
    gap: 12px;
  }

  .playbook-item span {
    width: 40px;
    height: 40px;
  }

  .newsletter-form {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .article-hero {
    padding-top: 36px;
  }
}

@media (max-width: 420px) {
  .hero-actions .button,
  .newsletter-form .button {
    width: 100%;
  }

  .signal-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .signal-pill {
    justify-content: flex-start;
  }
}