html {
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
html[data-font-size="sm"] { font-size: 87.5%; }
html[data-font-size="lg"] { font-size: 112.5%; }
html[data-font-size="xl"] { font-size: 125%; }

body {
  overflow-x: hidden;
}

/* Site header, prefs, mobile nav */
.site-header__nav {
  min-height: 3.25rem;
}
.site-header__logo {
  flex-shrink: 1;
  min-width: 0;
}
.site-header__actions {
  flex-shrink: 0;
}
.site-prefs {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}
.site-prefs__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding: 0.375rem;
  border-radius: 0.5rem;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #475569;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s, color 0.15s;
}
.site-prefs__btn:hover {
  border-color: #99f6e4;
  background: #f0fdfa;
  color: #0f766e;
}
.site-prefs__btn--active {
  border-color: #5eead4;
  background: #ccfbf1;
  color: #0f766e;
}
.site-icon {
  width: 1.125rem;
  height: 1.125rem;
}
.site-header__menu {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border-radius: 0.5rem;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #334155;
}
@media (min-width: 768px) {
  .site-header__menu {
    display: none !important;
  }
  .site-header__desktop {
    display: flex !important;
  }
  .site-header__contact--desktop {
    display: inline-flex !important;
  }
  .site-mobile-nav {
    display: none !important;
  }
}
.site-header__menu:hover {
  background: #f8fafc;
}
.site-mobile-nav {
  border-top: 1px solid #e2e8f0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  padding: 0.75rem 1.25rem 1rem;
}
.site-mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.site-mobile-nav a {
  display: block;
  padding: 0.75rem 0.5rem;
  border-radius: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #334155;
  text-decoration: none;
}
.site-mobile-nav a:hover,
.site-mobile-nav a.site-mobile-nav__link--active {
  background: #f0fdfa;
  color: #0f766e;
}
body.mobile-nav-open {
  overflow: hidden;
}

/* Dark theme */
[data-theme="dark"] {
  color-scheme: dark;
}
[data-theme="dark"] body {
  background-color: #0f172a !important;
  color: #cbd5e1 !important;
}
[data-theme="dark"] .bg-stone-50 { background-color: #0f172a !important; }
[data-theme="dark"] .bg-white { background-color: #1e293b !important; }
[data-theme="dark"] .bg-white\/70 { background-color: rgb(30 41 59 / 0.85) !important; }
[data-theme="dark"] .bg-white\/90 { background-color: rgb(30 41 59 / 0.92) !important; }
[data-theme="dark"] .text-slate-900,
[data-theme="dark"] .text-slate-800,
[data-theme="dark"] .text-slate-700 { color: #f1f5f9 !important; }
[data-theme="dark"] .text-slate-600,
[data-theme="dark"] .text-slate-500,
[data-theme="dark"] .text-slate-400 { color: #94a3b8 !important; }
[data-theme="dark"] .border-slate-200,
[data-theme="dark"] .border-slate-200\/60,
[data-theme="dark"] .border-slate-200\/80,
[data-theme="dark"] .border-slate-300 { border-color: #334155 !important; }
[data-theme="dark"] .hero-glow {
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(45, 212, 191, 0.1) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
}
[data-theme="dark"] .site-header,
[data-theme="dark"] .site-mobile-nav {
  border-color: #334155 !important;
  background: rgb(15 23 42 / 0.95) !important;
}
[data-theme="dark"] .site-prefs__btn,
[data-theme="dark"] .site-header__menu {
  border-color: #475569;
  background: #1e293b;
  color: #cbd5e1;
}
[data-theme="dark"] .site-prefs__btn:hover,
[data-theme="dark"] .site-header__menu:hover {
  background: #334155;
  color: #5eead4;
  border-color: #5eead4;
}
[data-theme="dark"] .site-prefs__btn--active {
  background: #134e4a;
  border-color: #14b8a6;
  color: #99f6e4;
}
[data-theme="dark"] .site-mobile-nav a {
  color: #cbd5e1;
}
[data-theme="dark"] .site-mobile-nav a:hover,
[data-theme="dark"] .site-mobile-nav a.site-mobile-nav__link--active {
  background: #134e4a;
  color: #5eead4;
}
[data-theme="dark"] .article-listen-bar,
[data-theme="dark"] .share-bar,
[data-theme="dark"] .insight-card {
  background: #1e293b !important;
  border-color: #334155 !important;
  box-shadow: none;
}
[data-theme="dark"] .share-bar--bottom {
  background: #172033 !important;
}
[data-theme="dark"] .share-bar__label {
  color: #94a3b8;
  border-color: #475569;
}
[data-theme="dark"] .share-bar .share-btn {
  color: #cbd5e1;
}
[data-theme="dark"] .share-bar .share-btn:hover {
  color: #5eead4;
  background: #134e4a;
}
[data-theme="dark"] .share-bar__actions > * + *::before {
  color: #64748b;
}
[data-theme="dark"] .article-prose code {
  background: #334155;
  color: #e2e8f0;
}
[data-theme="dark"] .article-prose em { color: #cbd5e1; }
[data-theme="dark"] .article-prose h2,
[data-theme="dark"] .article-prose h3,
[data-theme="dark"] .article-prose strong {
  color: #f1f5f9 !important;
}
[data-theme="dark"] .article-prose p,
[data-theme="dark"] .article-prose li,
[data-theme="dark"] .article-prose blockquote {
  color: #94a3b8 !important;
}
[data-theme="dark"] .article-prose figure.article-figure img {
  border-color: #334155;
}
[data-theme="dark"] .article-prose figure.article-figure figcaption {
  color: #94a3b8;
}
[data-theme="dark"] .article-prose figure.article-figure .article-figure-download {
  background: #1e293b;
  border-color: #475569;
  color: #cbd5e1;
}
[data-theme="dark"] .insight-card__title { color: #f1f5f9; }
[data-theme="dark"] .insight-card__subtitle { color: #cbd5e1; }
[data-theme="dark"] .insight-card__excerpt,
[data-theme="dark"] .insight-card__meta { color: #94a3b8; }
[data-theme="dark"] .insight-card__tag {
  background: #0f172a;
  border-color: #475569;
  color: #cbd5e1;
}
[data-theme="dark"] .insight-card__media {
  background: #0f172a;
  border-color: #334155;
}
[data-theme="dark"] .from-indigo-50 { --tw-gradient-from: #1e1b4b !important; }
[data-theme="dark"] .to-teal-50 { --tw-gradient-to: #134e4a !important; }
[data-theme="dark"] .border-indigo-200 { border-color: #4338ca !important; }
[data-theme="dark"] .text-indigo-600 { color: #a5b4fc !important; }
[data-theme="dark"] .border-sky-200 { border-color: #0369a1 !important; }
[data-theme="dark"] .text-sky-800 { color: #7dd3fc !important; }
[data-theme="dark"] .bg-teal-50 { background-color: #134e4a !important; }
[data-theme="dark"] .bg-sky-50 { background-color: #0c4a6e !important; }
[data-theme="dark"] .border-teal-200 { border-color: #0f766e !important; }
[data-theme="dark"] .text-teal-700 { color: #5eead4 !important; }
[data-theme="dark"] .selection\:bg-teal-200 ::selection,
[data-theme="dark"] ::selection {
  background: #134e4a;
  color: #ecfdf5;
}

@media (max-width: 767px) {
  .site-header__contact--desktop {
    display: none !important;
  }
  .site-prefs__btn[data-action="font-size"] {
    display: none !important;
  }
  .article-listen-bar .listen-status {
    flex-basis: 100%;
    margin-left: 0 !important;
  }
  .share-bar {
    gap: 0.375rem 0.5rem;
  }
  .share-bar__label {
    flex-basis: 100%;
    border-right: none;
    padding-right: 0;
    margin-bottom: 0.125rem;
  }
  .insight-card__body {
    padding: 1rem 1.125rem 1.125rem;
  }
}

.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #0d9488, #6366f1);
  border-radius: 1px;
  transition: width 0.25s ease;
}
.nav-link:hover::after,
.nav-link-active::after { width: 100%; }

.hero-glow {
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(45, 212, 191, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(99, 102, 241, 0.14) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
}

.article-prose h2 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #0f172a;
}
.article-prose h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: #1e293b;
}
.article-prose p {
  margin-bottom: 1rem;
  line-height: 1.75;
  color: #475569;
}
.article-prose ul,
.article-prose ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: #475569;
}
.article-prose ul { list-style-type: disc; }
.article-prose ol { list-style-type: decimal; }
.article-prose li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}
.article-prose blockquote {
  margin: 2rem 0;
  border-left: 3px solid #0d9488;
  padding: 0.25rem 0 0.25rem 1.25rem;
  font-size: 1.125rem;
  font-style: italic;
  color: #334155;
}
.article-prose a {
  color: #0d9488;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.article-prose a:hover { color: #0f766e; }
.article-prose strong { color: #0f172a; font-weight: 600; }
.article-prose code {
  border-radius: 0.25rem;
  background: #f1f5f9;
  padding: 0.125rem 0.375rem;
  font-size: 0.875em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: #334155;
}
.article-prose em { color: #334155; }
.article-prose figure.article-figure {
  margin: 2rem 0;
}
.article-prose figure.article-figure img {
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px 0 rgb(15 23 42 / 0.06);
}
.article-prose figure.article-figure figcaption {
  margin-top: 0.75rem;
  text-align: center;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: #64748b;
}
.article-prose figure.article-figure .article-figure-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.article-prose figure.article-figure .article-figure-download {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border-radius: 0.5rem;
  border: 1px solid #e2e8f0;
  background: #fff;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  transition: border-color 0.15s, background-color 0.15s, color 0.15s;
}
.article-prose figure.article-figure .article-figure-download:hover {
  border-color: #99f6e4;
  background: #f0fdfa;
  color: #0f766e;
}
.article-prose pre.article-diagram {
  overflow-x: auto;
  margin: 1.5rem 0 2rem;
  padding: 1rem 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.6875rem;
  line-height: 1.55;
  color: #334155;
  white-space: pre;
}

.article-listen-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem 0.5rem;
  margin-top: 1rem;
  padding: 0.625rem 0.75rem;
  border-radius: 0.625rem;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 1px 2px 0 rgb(15 23 42 / 0.04);
}

.share-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.625rem;
  margin-top: 0.75rem;
  padding: 0.4375rem 0.75rem;
  border-radius: 0.625rem;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 1px 2px 0 rgb(15 23 42 / 0.04);
  font-size: 0.8125rem;
  line-height: 1.3;
}
.share-bar--bottom {
  margin-top: 2rem;
  background: #fafaf9;
  box-shadow: none;
}
.share-bar__label {
  flex-shrink: 0;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #64748b;
  padding-right: 0.625rem;
  border-right: 1px solid #e2e8f0;
}
.share-bar__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  row-gap: 0.125rem;
}
.share-bar__actions > * + *::before {
  content: '·';
  margin: 0 0.375rem;
  color: #cbd5e1;
  font-weight: 400;
  pointer-events: none;
}
.share-bar .share-btn {
  display: inline;
  padding: 0.125rem 0.1875rem;
  border: none;
  background: none;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  cursor: pointer;
  border-radius: 0.25rem;
  transition: color 0.15s, background-color 0.15s;
  white-space: nowrap;
}
.share-bar .share-btn:hover {
  color: #0f766e;
  background: #f0fdfa;
}

.article-prose > h2:first-child {
  margin-top: 0;
}

.article-prose hr {
  margin: 2.5rem 0;
  border: 0;
  border-top: 1px solid #e2e8f0;
}

/* Insights index */
.insights-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .insights-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.insight-card {
  border-radius: 0.875rem;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 1px 2px 0 rgb(15 23 42 / 0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.insight-card:hover {
  border-color: #99f6e4;
  box-shadow: 0 4px 12px 0 rgb(15 23 42 / 0.06);
}
.insight-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.insight-card__media {
  overflow: hidden;
  border-radius: 0.875rem 0.875rem 0 0;
  border-bottom: 1px solid #e2e8f0;
  background: #f8fafc;
}
.insight-card__media img {
  display: block;
  width: 100%;
  height: 11rem;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.25s ease;
}
.insight-card:hover .insight-card__media img {
  transform: scale(1.02);
}
.insight-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.25rem 1.375rem 1.375rem;
}
.insight-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem 0.5rem;
  font-size: 0.75rem;
  color: #64748b;
}
.insight-card__title {
  margin-top: 0.625rem;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: #0f172a;
}
.insight-card__subtitle {
  margin-top: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  color: #475569;
}
.insight-card__excerpt {
  margin-top: 0.625rem;
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.65;
  color: #64748b;
}
.insight-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.875rem;
}
.insight-card__tag {
  border-radius: 9999px;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  padding: 0.125rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 500;
  color: #475569;
}
.insight-card__cta {
  margin-top: 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #0d9488;
}
.insight-card:hover .insight-card__cta {
  color: #0f766e;
}