:root {
  --pbtb-color-slate: #1E3A5F;
  --pbtb-color-ember: #F97316;
  --pbtb-color-bg: #FAFAF9;
  --pbtb-color-text: #1F2937;
  --pbtb-color-text-muted: #6B7280;
  --pbtb-color-border: #E5E7EB;
  --pbtb-container-max: 1200px;
  --pbtb-container-read: 720px;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1F2937;
  background-color: #FAFAF9;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

@media (min-width: 768px) {
  body {
    font-size: 18px;
  }
}
h1, h2, h3, h4, h5, h6 {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1E3A5F;
  line-height: 1.25;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
}

h1 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.75rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.375rem;
}

h4 {
  font-size: 1.125rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: #1E3A5F;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.15s ease, text-decoration-thickness 0.15s ease;
}
a:hover, a:focus-visible {
  color: #F97316;
  text-decoration-thickness: 2px;
}

strong, b {
  font-weight: 600;
  color: #1F2937;
}

small {
  font-size: 0.875rem;
}

code {
  font-family: "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
  font-size: 0.92em;
  background-color: #F3F4F6;
  padding: 0.1em 0.3em;
  border-radius: 4px;
}

pre {
  font-family: "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
  background-color: #1F2937;
  color: #FAFAF9;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  line-height: 1.5;
}
pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

blockquote {
  border-left: 3px solid #F97316;
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: #1F2937;
  font-style: italic;
}

hr {
  border: 0;
  border-top: 1px solid #E5E7EB;
  margin: 2rem 0;
}

::selection {
  background-color: #F97316;
  color: #FAFAF9;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 3rem;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
img,
svg,
video {
  max-width: 100%;
  height: auto;
}

.pbtb-container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 768px) {
  .pbtb-container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

.pbtb-container--read {
  max-width: 720px;
}

.pbtb-section {
  padding-top: 2rem;
  padding-bottom: 2rem;
}
@media (min-width: 768px) {
  .pbtb-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}

.pbtb-stack > * + * {
  margin-top: 1rem;
}

.pbtb-stack--tight > * + * {
  margin-top: 0.5rem;
}

.pbtb-stack--loose > * + * {
  margin-top: 2rem;
}

.pbtb-article-layout {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .pbtb-article-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 3rem;
  }
}

.pbtb-article-main {
  min-width: 0;
}

@media (min-width: 1024px) {
  .pbtb-article-sidebar {
    position: sticky;
    top: 1.5rem;
    align-self: start;
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
  }
}

.pbtb-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;
}

.pbtb-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}
.pbtb-btn:hover, .pbtb-btn:focus-visible {
  text-decoration: none;
}
.pbtb-btn:active {
  transform: translateY(1px);
}
.pbtb-btn:focus-visible {
  outline: 2px solid #F97316;
  outline-offset: 2px;
}

.pbtb-btn--primary {
  background-color: #F97316;
  color: #FAFAF9;
}
.pbtb-btn--primary:hover, .pbtb-btn--primary:focus-visible {
  background-color: #C2410C;
  color: #FAFAF9;
}

.pbtb-btn--secondary {
  background-color: transparent;
  color: #1E3A5F;
  border-color: #1E3A5F;
}
.pbtb-btn--secondary:hover, .pbtb-btn--secondary:focus-visible {
  background-color: #1E3A5F;
  color: #FAFAF9;
}

.pbtb-btn--ghost {
  background-color: transparent;
  color: #1E3A5F;
  padding-left: 0;
  padding-right: 0;
}
.pbtb-btn--ghost:hover, .pbtb-btn--ghost:focus-visible {
  color: #F97316;
}

.pbtb-card {
  background-color: #FAFAF9;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.pbtb-card__title {
  font-size: 1.125rem;
  margin: 0;
}
.pbtb-card__excerpt {
  color: #6B7280;
  margin: 0;
}
.pbtb-card__meta {
  color: #6B7280;
  font-size: 0.875rem;
  margin-top: auto;
}

.pbtb-card--linked {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.pbtb-card--linked:hover, .pbtb-card--linked:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
  border-color: #2C5282;
  text-decoration: none;
  color: inherit;
}

.pbtb-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
@media (min-width: 768px) {
  .pbtb-form {
    flex-direction: row;
  }
}

.pbtb-form__input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  color: #1F2937;
  background-color: white;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  transition: border-color 0.15s ease, outline-color 0.15s ease;
}
.pbtb-form__input:focus {
  outline: 2px solid #1E3A5F;
  outline-offset: 1px;
  border-color: #1E3A5F;
}
.pbtb-form__input::placeholder {
  color: #6B7280;
}

.pbtb-icon {
  display: inline-block;
  vertical-align: -0.125em;
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.pbtb-icon--lg {
  width: 1.5em;
  height: 1.5em;
}

.pbtb-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
  color: #6B7280;
}
.pbtb-meta-row__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.pbtb-eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #F97316;
  margin-bottom: 0.75rem;
}

.pbtb-breadcrumbs {
  font-size: 0.875rem;
  color: #6B7280;
  margin-bottom: 1rem;
}
.pbtb-breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.pbtb-breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: #E5E7EB;
}
.pbtb-breadcrumbs a {
  color: #6B7280;
  text-decoration: none;
}
.pbtb-breadcrumbs a:hover, .pbtb-breadcrumbs a:focus-visible {
  color: #1E3A5F;
  text-decoration: underline;
}
.pbtb-breadcrumbs [aria-current=page] {
  color: #1F2937;
}

.pbtb-article-header {
  margin-bottom: 2rem;
}

.pbtb-article-title {
  font-size: 2.25rem;
  margin: 0 0 0.75rem;
}
@media (min-width: 768px) {
  .pbtb-article-title {
    font-size: 2.5rem;
  }
}

.pbtb-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
  color: #6B7280;
  margin-bottom: 1.5rem;
}
.pbtb-article-meta__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.pbtb-article-featured {
  margin: 0 0 2rem;
}
.pbtb-article-featured img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}
.pbtb-article-featured__caption {
  font-size: 0.875rem;
  color: #6B7280;
  margin-top: 0.5rem;
}

.pbtb-article-body {
  font-size: 16px;
  line-height: 1.6;
}
@media (min-width: 768px) {
  .pbtb-article-body {
    font-size: 18px;
  }
}
.pbtb-article-body > * {
  max-width: 720px;
}
.pbtb-article-body > h2 {
  margin-top: 3rem;
}
.pbtb-article-body > h3 {
  margin-top: 2rem;
}
.pbtb-article-body ul, .pbtb-article-body ol {
  padding-left: 1.5rem;
}
.pbtb-article-body ul li + li, .pbtb-article-body ol li + li {
  margin-top: 0.5rem;
}
.pbtb-article-body img {
  border-radius: 4px;
}
.pbtb-article-body > .pbtb-callout,
.pbtb-article-body > .pbtb-step,
.pbtb-article-body > .pbtb-email-capture {
  max-width: none;
}

.pbtb-pillar-content > * {
  max-width: none;
}
.pbtb-pillar-content > h2 {
  margin-top: 3rem;
}
.pbtb-pillar-content > h3 {
  margin-top: 2rem;
}

.pbtb-archive-header {
  margin-bottom: 2rem;
}
.pbtb-archive-header__title {
  margin-top: 0;
  margin-bottom: 0.75rem;
}
.pbtb-archive-header__description {
  color: #6B7280;
  max-width: 720px;
}

.pbtb-toc {
  background-color: #F3F4F6;
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.875rem;
}
.pbtb-toc__title {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6B7280;
  font-weight: 600;
  margin: 0 0 0.75rem;
}
.pbtb-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.pbtb-toc__item {
  margin: 0;
}
.pbtb-toc__item + .pbtb-toc__item {
  margin-top: 0.25rem;
}
.pbtb-toc__link {
  display: block;
  color: #1F2937;
  text-decoration: none;
  padding: 0.25rem 0 0.25rem 0.75rem;
  margin-left: -2px;
  border-left: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.pbtb-toc__link:hover, .pbtb-toc__link:focus-visible {
  color: #1E3A5F;
  text-decoration: none;
}
.pbtb-toc__link.is-active {
  color: #1E3A5F;
  border-left-color: #F97316;
  font-weight: 500;
}
.pbtb-toc__list .pbtb-toc__list {
  margin-top: 0.25rem;
  margin-left: 0.75rem;
  padding-left: 0;
}
.pbtb-toc__list .pbtb-toc__list .pbtb-toc__link {
  font-size: 0.95em;
  color: #6B7280;
}

.pbtb-callout {
  border-left: 3px solid;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 4px;
}
.pbtb-callout > *:first-child {
  margin-top: 0;
}
.pbtb-callout > *:last-child {
  margin-bottom: 0;
}
.pbtb-callout__label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.pbtb-callout--warning {
  background-color: #FEF3E2;
  border-color: #F59E0B;
}
.pbtb-callout--warning .pbtb-callout__label {
  color: #F59E0B;
}

.pbtb-callout--tip {
  background-color: #EFF6FF;
  border-color: #3B82F6;
}
.pbtb-callout--tip .pbtb-callout__label {
  color: #3B82F6;
}

.pbtb-callout--definition {
  background-color: #F9FAFB;
  border-color: #9CA3AF;
}
.pbtb-callout--definition .pbtb-callout__label {
  color: #9CA3AF;
}

.pbtb-step {
  border-left: 3px solid #1E3A5F;
  padding-left: 1.5rem;
  margin: 1.5rem 0;
}
.pbtb-step__heading {
  color: #1E3A5F;
  margin-top: 0;
}
.pbtb-step__success {
  background-color: #F3F4F6;
  border-radius: 4px;
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
  font-size: 0.95em;
}
.pbtb-step__success::before {
  content: "What success looks like: ";
  font-weight: 600;
  color: #1E3A5F;
}

.pbtb-disclosure {
  font-size: 0.875rem;
  color: #6B7280;
  background-color: #F3F4F6;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  margin: 0 0 1.5rem;
  font-style: italic;
}

.pbtb-disclaimer {
  font-size: 0.875rem;
  color: #6B7280;
  border-top: 1px solid #E5E7EB;
  padding-top: 1.5rem;
  margin-top: 3rem;
  font-style: italic;
}

.pbtb-related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid #E5E7EB;
}
.pbtb-related__title {
  font-size: 1.375rem;
  margin-top: 0;
  margin-bottom: 1rem;
}
.pbtb-related__grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 768px) {
  .pbtb-related__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pbtb-email-capture {
  background-color: #1E3A5F;
  color: #FAFAF9;
  padding: 2rem;
  border-radius: 8px;
  margin: 2rem 0;
}
.pbtb-email-capture__title {
  color: #FAFAF9;
  margin: 0 0 0.5rem;
  font-size: 1.375rem;
}
.pbtb-email-capture__lede {
  margin: 0 0 1rem;
  color: #FAFAF9;
  opacity: 0.9;
}
.pbtb-email-capture .pbtb-form__input {
  background-color: #FAFAF9;
  border-color: #FAFAF9;
}
.pbtb-email-capture .pbtb-form__input:focus {
  outline-color: #F97316;
  border-color: #F97316;
}

.pbtb-hero {
  padding: 3rem 0 2rem;
}
@media (min-width: 768px) {
  .pbtb-hero {
    padding: 4rem 0 3rem;
  }
}
.pbtb-hero__headline {
  font-size: 2rem;
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 16em;
}
@media (min-width: 768px) {
  .pbtb-hero__headline {
    font-size: 2.75rem;
  }
}
@media (min-width: 1024px) {
  .pbtb-hero__headline {
    font-size: 3.25rem;
  }
}
.pbtb-hero__sub {
  font-size: 18px;
  color: #6B7280;
  max-width: 38em;
  margin: 0 0 1.5rem;
}
.pbtb-hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.pbtb-trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  padding: 1rem 0;
  border-top: 1px solid #E5E7EB;
  border-bottom: 1px solid #E5E7EB;
  font-size: 0.875rem;
  color: #6B7280;
}
.pbtb-trust-strip__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.pbtb-pillar-grid {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}
@media (min-width: 768px) {
  .pbtb-pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .pbtb-pillar-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pbtb-recent-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 768px) {
  .pbtb-recent-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}