*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  color-scheme: light dark;
  --jb-bg: #f5f8fc;
  --jb-surface: #ffffff;
  --jb-surface-soft: #eef5fb;
  --jb-surface-accent: #e7f4ff;
  --jb-text: #172033;
  --jb-muted: #5b6c82;
  --jb-line: #d9e4ee;
  --jb-blue: #168cf2;
  --jb-blue-deep: #096fc5;
  --jb-navy: #07162e;
  --jb-cyan: #54c6ff;
  --jb-good: #16825d;
  --jb-code: #eaf1f8;
  --jb-shadow: 0 18px 55px rgba(7, 22, 46, .10);
  --jb-max: 1180px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --jb-bg: #08111f;
    --jb-surface: #0d1a2c;
    --jb-surface-soft: #122238;
    --jb-surface-accent: #102c47;
    --jb-text: #e7edf6;
    --jb-muted: #a6b6c9;
    --jb-line: #263a50;
    --jb-blue: #56b5ff;
    --jb-blue-deep: #7bc5ff;
    --jb-navy: #050d19;
    --jb-cyan: #6ed2ff;
    --jb-good: #5fd2aa;
    --jb-code: #15263b;
    --jb-shadow: 0 18px 55px rgba(0, 0, 0, .24);
  }
}

body[data-app-theme='light'] {
  color-scheme: light;
  --jb-bg: #f5f8fc;
  --jb-surface: #ffffff;
  --jb-surface-soft: #eef5fb;
  --jb-surface-accent: #e7f4ff;
  --jb-text: #172033;
  --jb-muted: #5b6c82;
  --jb-line: #d9e4ee;
  --jb-blue: #168cf2;
  --jb-blue-deep: #096fc5;
  --jb-navy: #07162e;
  --jb-cyan: #54c6ff;
  --jb-good: #16825d;
  --jb-code: #eaf1f8;
  --jb-shadow: 0 18px 55px rgba(7, 22, 46, .10);
}

body[data-app-theme='dark'] {
  color-scheme: dark;
  --jb-bg: #08111f;
  --jb-surface: #0d1a2c;
  --jb-surface-soft: #122238;
  --jb-surface-accent: #102c47;
  --jb-text: #e7edf6;
  --jb-muted: #a6b6c9;
  --jb-line: #263a50;
  --jb-blue: #56b5ff;
  --jb-blue-deep: #7bc5ff;
  --jb-navy: #050d19;
  --jb-cyan: #6ed2ff;
  --jb-good: #5fd2aa;
  --jb-code: #15263b;
  --jb-shadow: 0 18px 55px rgba(0, 0, 0, .24);
}

html {
  scroll-behavior: smooth;
  background: var(--jb-bg);
}

body.justblocked-deep-dive {
  margin: 0;
  min-width: 0;
  background: var(--jb-bg);
  color: var(--jb-text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(16px, 1.1vw, 18px);
  font-weight: 300;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: anywhere;
}

.justblocked-deep-dive,
.justblocked-deep-dive h1,
.justblocked-deep-dive h2,
.justblocked-deep-dive h3,
.justblocked-deep-dive p,
.justblocked-deep-dive a,
.justblocked-deep-dive button,
.justblocked-deep-dive input,
.justblocked-deep-dive strong,
.justblocked-deep-dive b,
.justblocked-deep-dive em,
.justblocked-deep-dive th,
.justblocked-deep-dive td,
.justblocked-deep-dive summary,
.justblocked-deep-dive dt,
.justblocked-deep-dive dd,
.justblocked-deep-dive small,
.justblocked-deep-dive span,
.justblocked-deep-dive code {
  font-weight: 300;
}

.justblocked-deep-dive .site-header__link,
.justblocked-deep-dive .site-footer__link,
.justblocked-deep-dive .site-footer__copyright {
  font-weight: 300;
}

.justblocked-deep-dive .site-header {
  background: var(--jb-surface);
  border-color: var(--jb-line);
}

.justblocked-deep-dive .site-header__link {
  color: var(--jb-muted) !important;
}

.justblocked-deep-dive .site-header__link:hover,
.justblocked-deep-dive .site-header__link:focus-visible,
.justblocked-deep-dive .site-header__link[aria-current='page'] {
  color: var(--jb-blue) !important;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border: 1px solid var(--jb-line);
  border-radius: 10px;
  background: var(--jb-surface);
  color: var(--jb-text);
  transform: translateY(-160%);
}

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

a {
  color: var(--jb-blue-deep);
  text-underline-offset: .18em;
}

a:hover,
a:focus-visible {
  color: var(--jb-blue);
}

button,
input {
  font: inherit;
}

button,
a,
input,
summary {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible,
[tabindex='0']:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--jb-blue) 58%, transparent);
  outline-offset: 3px;
}

.article-shell {
  width: min(var(--jb-max), calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(34px, 6vw, 76px) 0 max(72px, env(safe-area-inset-bottom));
}

.article-hero {
  display: grid;
  gap: clamp(28px, 5vw, 54px);
}

.article-hero__copy {
  width: min(900px, 100%);
  margin: 0 auto;
  text-align: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--jb-blue-deep);
  font-size: .78rem;
  letter-spacing: .12em;
  line-height: 1.45;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--jb-text);
  letter-spacing: -.025em;
  text-wrap: balance;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.25rem, 6vw, 4.9rem);
  line-height: 1.04;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.7rem, 3.4vw, 2.7rem);
  line-height: 1.16;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  line-height: 1.3;
}

.dek {
  width: min(800px, 100%);
  margin: 0 auto;
  color: var(--jb-muted);
  font-size: clamp(1.08rem, 2vw, 1.34rem);
  line-height: 1.58;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  margin-top: 22px;
  color: var(--jb-muted);
  font-size: .88rem;
}

.article-meta span + span::before {
  content: "•";
  margin-right: 20px;
  color: var(--jb-line);
}

.hero-placeholder {
  aspect-ratio: 16 / 9;
  min-height: 250px;
  margin: 0;
  border: 1px dashed color-mix(in srgb, var(--jb-blue) 60%, var(--jb-line));
  border-radius: clamp(18px, 3vw, 30px);
  background:
    radial-gradient(circle at 78% 20%, color-mix(in srgb, var(--jb-cyan) 20%, transparent), transparent 35%),
    linear-gradient(135deg, var(--jb-navy), #0b3e68 66%, #0b659b);
  color: #eaf6ff;
  box-shadow: var(--jb-shadow);
  overflow: hidden;
}

.hero-placeholder__inner {
  min-height: 100%;
  display: grid;
  place-content: center;
  gap: 10px;
  padding: clamp(24px, 6vw, 70px);
  text-align: center;
}

.hero-placeholder__label {
  font-size: clamp(1.45rem, 4vw, 2.8rem);
  letter-spacing: -.02em;
}

.hero-placeholder__spec,
.hero-placeholder__concept {
  color: #cce8fa;
}

.hero-placeholder__spec {
  font-size: .9rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.hero-placeholder__concept {
  width: min(680px, 100%);
  margin: 0 auto;
  font-size: clamp(.95rem, 1.8vw, 1.12rem);
}

.summary-panel,
.article-filter {
  margin-top: clamp(34px, 6vw, 66px);
  border: 1px solid var(--jb-line);
  border-radius: 22px;
  background: var(--jb-surface);
  box-shadow: 0 10px 35px rgba(7, 22, 46, .06);
}

.summary-panel {
  padding: clamp(24px, 4vw, 42px);
}

.summary-panel > h2 {
  max-width: 800px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.summary-grid > div {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--jb-line);
  border-radius: 16px;
  background: var(--jb-surface-soft);
}

.summary-grid p {
  margin: 0;
  color: var(--jb-muted);
  line-height: 1.6;
}

.summary-number {
  color: var(--jb-blue-deep);
  font-size: .78rem;
  letter-spacing: .08em;
}

.article-filter {
  position: relative;
  padding: clamp(22px, 4vw, 34px);
}

.article-filter__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.article-filter__heading h2 {
  margin-bottom: 0;
}

.filter-status {
  margin: 0 0 6px;
  color: var(--jb-muted);
  font-size: .9rem;
}

.search-box {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 8px 10px 8px 16px;
  border: 1px solid var(--jb-line);
  border-radius: 14px;
  background: var(--jb-bg);
}

.search-box:focus-within {
  border-color: var(--jb-blue);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--jb-blue) 15%, transparent);
}

.search-box svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--jb-muted);
  stroke-width: 1.8;
  stroke-linecap: round;
}

.search-box input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--jb-text);
}

.search-box input::placeholder {
  color: color-mix(in srgb, var(--jb-muted) 75%, transparent);
}

.search-clear,
.filter-chips button {
  min-height: 40px;
  border: 1px solid var(--jb-line);
  border-radius: 999px;
  background: var(--jb-surface);
  color: var(--jb-text);
  cursor: pointer;
}

.search-clear {
  padding: 7px 13px;
}

.filter-help {
  margin: 12px 0 0;
  color: var(--jb-muted);
  font-size: .86rem;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.filter-chips button {
  padding: 8px 14px;
}

.search-clear:hover,
.search-clear:focus-visible,
.filter-chips button:hover,
.filter-chips button:focus-visible {
  border-color: var(--jb-blue);
  color: var(--jb-blue-deep);
  background: var(--jb-surface-accent);
}

.filter-empty {
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--jb-line);
  border-radius: 13px;
  background: var(--jb-surface-soft);
  color: var(--jb-muted);
}

.filter-empty p {
  margin: 0;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(205px, 250px) minmax(0, 780px);
  justify-content: center;
  align-items: start;
  gap: clamp(32px, 5vw, 70px);
  margin-top: clamp(44px, 7vw, 78px);
}

.toc {
  position: sticky;
  top: 24px;
  padding: 18px 18px 18px 20px;
  border-left: 1px solid var(--jb-line);
  color: var(--jb-muted);
  font-size: .83rem;
  line-height: 1.45;
}

.toc__title {
  margin: 0 0 10px;
  color: var(--jb-text);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.toc ol {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc a {
  display: block;
  color: inherit;
  text-decoration: none;
}

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

.toc li[hidden] {
  display: none;
}

.article-body {
  min-width: 0;
}

.article-section {
  scroll-margin-top: 28px;
  margin-bottom: clamp(58px, 8vw, 92px);
}

.article-section[hidden] {
  display: none;
}

.article-section p,
.article-section li {
  color: var(--jb-text);
}

.article-section > p:not(.section-kicker),
.article-section > ol,
.article-section > ul {
  margin-top: 0;
  margin-bottom: 1.25em;
}

.article-section em {
  color: var(--jb-blue-deep);
  font-style: normal;
}

.term,
code {
  padding: .12em .38em;
  border-radius: 6px;
  background: var(--jb-code);
  color: var(--jb-blue-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88em;
}

.callout,
.example-card {
  margin: 30px 0;
  border: 1px solid var(--jb-line);
  border-radius: 16px;
  background: var(--jb-surface-soft);
}

.callout {
  padding: 19px 22px;
  border-left: 3px solid var(--jb-blue);
}

.callout--note {
  border-left-color: var(--jb-good);
}

.callout p {
  margin: 0;
  color: var(--jb-muted);
}

.callout span,
.example-card__title,
.steps-list li > span {
  color: var(--jb-text);
}

.example-card {
  padding: 22px;
}

.example-card__title {
  margin: 0 0 14px;
  font-size: 1.05rem;
}

.example-card dl {
  display: grid;
  gap: 0;
  margin: 0;
}

.example-card dl > div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--jb-line);
}

.example-card dt {
  color: var(--jb-blue-deep);
}

.example-card dd {
  margin: 0;
  color: var(--jb-muted);
}

.comparison-wrap {
  width: 100%;
  margin: 28px 0 32px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border: 1px solid var(--jb-line);
  border-radius: 16px;
  background: var(--jb-surface);
  box-shadow: 0 9px 30px rgba(7, 22, 46, .05);
  -webkit-overflow-scrolling: touch;
}

.comparison-wrap table {
  width: 100%;
  min-width: 790px;
  border-collapse: collapse;
  text-align: left;
  font-size: .9rem;
  line-height: 1.5;
}

.comparison-wrap caption {
  padding: 16px 18px 8px;
  color: var(--jb-muted);
  text-align: left;
}

.comparison-wrap th,
.comparison-wrap td {
  padding: 15px 17px;
  border-bottom: 1px solid var(--jb-line);
  vertical-align: top;
}

.comparison-wrap thead th {
  color: var(--jb-text);
  background: var(--jb-surface-soft);
}

.comparison-wrap tbody th {
  width: 20%;
  color: var(--jb-blue-deep);
}

.comparison-wrap tbody tr:last-child th,
.comparison-wrap tbody tr:last-child td {
  border-bottom: 0;
}

.steps-list {
  display: grid;
  gap: 13px;
  padding-left: 1.35em;
}

.steps-list li {
  padding-left: 8px;
}

.steps-list li::marker {
  color: var(--jb-blue-deep);
}

.faq-section details {
  border-top: 1px solid var(--jb-line);
}

.faq-section details:last-child {
  border-bottom: 1px solid var(--jb-line);
}

.faq-section summary {
  position: relative;
  padding: 18px 42px 18px 0;
  color: var(--jb-text);
  cursor: pointer;
  list-style: none;
}

.faq-section summary::-webkit-details-marker {
  display: none;
}

.faq-section summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 8px;
  color: var(--jb-blue-deep);
  font-size: 1.45rem;
  transform: translateY(-50%);
}

.faq-section details[open] summary::after {
  content: "–";
}

.faq-section details p {
  margin: 0;
  padding: 0 38px 20px 0;
  color: var(--jb-muted);
}

.conclusion {
  margin-bottom: 50px;
}

.cta-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, .8fr);
  align-items: center;
  gap: 28px;
  margin-top: 32px;
  padding: clamp(24px, 4vw, 38px);
  border-radius: 20px;
  background: linear-gradient(135deg, var(--jb-navy), #0b477b);
  color: #eaf6ff;
}

.cta-card h2,
.cta-card p {
  color: #eaf6ff;
}

.cta-card h2 {
  margin-bottom: 10px;
}

.cta-card p:last-child {
  margin-bottom: 0;
  color: #cae0f1;
}

.cta-card .section-kicker {
  color: #7dd3ff;
}

.cta-actions {
  display: grid;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 11px;
  color: #eaf6ff;
  text-align: center;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  border-color: #ffffff;
  color: #ffffff;
  background: rgba(255, 255, 255, .08);
}

.button--primary {
  border-color: #ffffff;
  background: #ffffff;
  color: #082240;
}

.button--primary:hover,
.button--primary:focus-visible {
  color: #07162e;
  background: #dff3ff;
}

.related {
  margin-top: 40px;
  padding-top: 36px;
  border-top: 1px solid var(--jb-line);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.related-grid a {
  display: grid;
  gap: 5px;
  padding: 17px 18px;
  border: 1px solid var(--jb-line);
  border-radius: 13px;
  background: var(--jb-surface);
  color: var(--jb-text);
  text-decoration: none;
}

.related-grid a:hover,
.related-grid a:focus-visible {
  border-color: var(--jb-blue);
  background: var(--jb-surface-accent);
}

.related-grid small {
  color: var(--jb-muted);
  line-height: 1.45;
}

body.is-webview .article-shell {
  width: min(900px, calc(100% - 28px));
  padding-top: max(24px, env(safe-area-inset-top));
}

body.is-webview .article-hero__copy {
  text-align: left;
}

body.is-webview .article-meta {
  justify-content: flex-start;
}

body.is-webview .hero-placeholder {
  min-height: 210px;
}

body.is-webview .toc {
  display: none;
}

body.is-webview .article-layout {
  display: block;
  margin-top: 46px;
}

@media (max-width: 920px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .toc {
    position: static;
    display: block;
    padding: 18px;
    border: 1px solid var(--jb-line);
    border-radius: 15px;
    background: var(--jb-surface);
  }

  .toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 20px;
  }
}

@media (max-width: 680px) {
  .article-shell {
    width: min(100% - 22px, var(--jb-max));
    padding-top: 28px;
  }

  .article-hero__copy {
    text-align: left;
  }

  .article-meta {
    justify-content: flex-start;
    gap: 5px 14px;
  }

  .article-meta span + span::before {
    margin-right: 14px;
  }

  .hero-placeholder {
    min-height: 215px;
  }

  .summary-grid,
  .related-grid,
  .cta-card {
    grid-template-columns: 1fr;
  }

  .article-filter__heading {
    display: block;
  }

  .filter-status {
    margin-top: 8px;
  }

  .toc ol {
    grid-template-columns: 1fr;
  }

  .example-card dl > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .search-box {
    grid-template-columns: 22px minmax(0, 1fr);
  }

  .search-clear {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (max-width: 430px) {
  body.justblocked-deep-dive {
    font-size: 16px;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 2.65rem);
  }

  .summary-panel,
  .article-filter {
    border-radius: 17px;
  }

  .summary-grid > div,
  .callout,
  .example-card {
    padding: 16px;
  }

  .filter-chips button {
    flex: 1 1 calc(50% - 8px);
  }
}

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

  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

@media print {
  :root,
  body[data-app-theme='light'],
  body[data-app-theme='dark'] {
    color-scheme: light;
    --jb-bg: #ffffff;
    --jb-surface: #ffffff;
    --jb-surface-soft: #ffffff;
    --jb-surface-accent: #ffffff;
    --jb-text: #000000;
    --jb-muted: #333333;
    --jb-line: #bbbbbb;
    --jb-blue: #000000;
    --jb-blue-deep: #000000;
    --jb-navy: #ffffff;
    --jb-cyan: #000000;
    --jb-good: #000000;
    --jb-code: #f2f2f2;
    --jb-shadow: none;
  }

  body.justblocked-deep-dive {
    background: #ffffff;
    color: #000000;
  }

  .article-shell {
    width: 100%;
    padding: 0;
  }

  .article-filter,
  .toc,
  .hero-placeholder,
  .cta-actions,
  [data-site-header],
  [data-site-footer] {
    display: none !important;
  }

  .article-layout {
    display: block;
  }

  .article-section[hidden] {
    display: block;
  }

  .cta-card,
  .cta-card h2,
  .cta-card p,
  .cta-card p:last-child,
  .cta-card .section-kicker {
    background: #ffffff;
    color: #000000;
  }

  .article-section,
  .summary-panel,
  .cta-card,
  .related-grid a {
    break-inside: avoid;
    box-shadow: none;
  }
}