:root {
  color-scheme: light;
  --canvas: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #f8fafb;
  --ink: #17212b;
  --ink-soft: #52606d;
  --line: #dce2e7;
  --line-strong: #c5cfd8;
  --brand: #123c5a;
  --brand-bright: #176b87;
  --brand-soft: #e9f4f7;
  --finding: #a7352a;
  --finding-soft: #fff0ed;
  --confirmed: #236a51;
  --confirmed-soft: #eaf7f1;
  --warning: #785717;
  --warning-soft: #fff8e6;
  --shadow: 0 18px 55px rgba(23, 33, 43, 0.08);
  --radius: 18px;
  --content: 760px;
  --wide: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 15% -10%, rgba(23, 107, 135, 0.12), transparent 34rem),
    var(--canvas);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--brand-bright);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--brand);
  text-decoration-thickness: 2px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  border-radius: 4px;
  outline: 3px solid #5bb6ce;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}

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

.reading-progress {
  position: fixed;
  z-index: 90;
  inset: 0 auto auto 0;
  width: 0;
  height: 3px;
  background: var(--brand-bright);
}

.site-header {
  border-bottom: 1px solid rgba(197, 207, 216, 0.8);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
}

.site-header__inner,
.site-footer__inner {
  width: min(calc(100% - 2rem), var(--wide));
  margin: 0 auto;
}

.site-header__inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--brand);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand__mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: white;
  font-size: 0.82rem;
  letter-spacing: -0.06em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  font-size: 0.88rem;
  font-weight: 700;
}

.header-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.account-placeholder {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  cursor: not-allowed;
}

.home-hero,
.article-index,
.article-hero,
.article-layout {
  width: min(calc(100% - 2rem), var(--wide));
  margin-inline: auto;
}

.home-hero {
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 7vw, 5rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--brand-bright);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.14;
  text-wrap: balance;
}

h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.65rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.045em;
}

h2 {
  margin: 3.5rem 0 1rem;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  letter-spacing: -0.03em;
}

h3 {
  margin: 2rem 0 0.7rem;
  font-size: 1.2rem;
  letter-spacing: -0.015em;
}

.home-hero h1 {
  max-width: 930px;
}

.home-hero__dek {
  max-width: 760px;
  margin: 1.4rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
}

.mission-points {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.mission-points span {
  padding: 0.48rem 0.8rem;
  border: 1px solid #bad9e2;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 750;
}

.article-index {
  padding-bottom: 6rem;
}

.section-heading {
  margin-bottom: 1.4rem;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line-strong);
}

.section-heading h2 {
  margin: 0 0 1rem;
}

.section-heading > p {
  margin-bottom: 1.2rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

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

.article-card {
  min-height: 310px;
  padding: clamp(1.25rem, 3vw, 1.8rem);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 30px rgba(23, 33, 43, 0.04);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.article-card:first-child {
  grid-column: 1 / -1;
}

.article-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.article-card__meta,
.article-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.article-card h3 {
  margin: 1.15rem 0 0.7rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
}

.article-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.article-card h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.article-card {
  position: relative;
}

.article-card > p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
}

.article-card__footer {
  margin-top: auto;
  padding-top: 1.4rem;
}

.confidence-badge {
  padding: 0.27rem 0.58rem;
  border: 1px solid #bad9e2;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 800;
}

.article-hero {
  margin-top: 3.5rem;
  margin-bottom: 2.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.article-hero h1 {
  max-width: 820px;
}

.article-dek {
  max-width: 740px;
  margin: 1.3rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.55;
}

.byline {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

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

.verdict-card {
  overflow: hidden;
  border: 1px solid #edc9c2;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.verdict-card__top {
  padding: 1.2rem 1.35rem 1rem;
  background: var(--finding-soft);
}

.verdict-card__top p {
  margin: 0;
  color: #71342e;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.verdict-card__top strong {
  display: block;
  margin-top: 0.1rem;
  color: var(--finding);
  font-size: 1.35rem;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.verdict-card dl {
  margin: 0;
  padding: 1rem 1.35rem 1.2rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.75rem;
  font-size: 0.84rem;
}

.verdict-card dt {
  color: var(--ink-soft);
}

.verdict-card dd {
  margin: 0;
  font-weight: 750;
  text-align: right;
}

.share-panel {
  margin-top: 0.8rem;
}

.share-label {
  margin: 0 0 0.45rem;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.share-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.45rem;
}

.share-row .button {
  padding: 0.55rem;
}

.share-icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.share-brand-icon {
  font-family: Arial, sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
}

.share-brand-icon--linkedin {
  font-size: 1rem;
  letter-spacing: -0.08em;
}

.share-brand-icon--x {
  font-size: 1rem;
  font-weight: 600;
}

.share-status {
  min-height: 1.2rem;
  margin: 0.4rem 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.button {
  min-height: 42px;
  padding: 0.58rem 0.9rem;
  display: inline-flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--brand);
  cursor: pointer;
  font: inherit;
  font-size: 0.83rem;
  font-weight: 750;
}

.button:hover:not(:disabled) {
  border-color: var(--brand-bright);
  background: var(--brand-soft);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.article-layout {
  padding-bottom: 5rem;
  display: grid;
  grid-template-columns: 220px minmax(0, var(--content));
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.toc {
  position: sticky;
  top: 1.5rem;
  padding-top: 1rem;
  display: grid;
  gap: 0.4rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.toc p {
  margin: 0 0 0.25rem;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

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

.claim-box {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-left: 5px solid var(--finding);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--surface);
}

.claim-box > p {
  margin: 0 0 0.4rem;
  color: var(--finding);
  font-size: 0.73rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.claim-box blockquote {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.16rem, 2.4vw, 1.45rem);
  font-weight: 650;
  line-height: 1.45;
}

.answer {
  padding: 1.05rem 1.2rem;
  border-radius: 14px;
  background: var(--brand);
  color: white;
}

.answer strong {
  color: #bcecf5;
}

.summary-card {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.summary-card h3 {
  margin-top: 0;
  font-size: 1rem;
}

.summary-card li + li,
.method-list li + li {
  margin-top: 0.5rem;
}

.context-callout,
.editorial-note,
.independence-note {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--brand-bright);
  background: var(--brand-soft);
}

.evidence-map-wrap {
  margin-top: 1.25rem;
  overflow-x: auto;
}

.evidence-map {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.evidence-map caption {
  margin-bottom: 0.5rem;
  color: var(--ink);
  font-weight: 800;
  text-align: left;
}

.evidence-map th,
.evidence-map td {
  padding: 0.7rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.evidence-map th {
  background: var(--brand);
  color: white;
}

.evidence-map td small,
.evidence-map td a {
  display: block;
}

.evidence-map td a + a,
.evidence-sources a + a {
  margin-top: 0.35rem;
}

.evidence-stack {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

summary {
  padding: 1rem 1.15rem;
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.35;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
}

details[open] summary::before {
  content: "−";
}

.detail-body {
  padding: 0 1.25rem 1.25rem 3.45rem;
}

.limitation {
  padding: 0.85rem 1rem;
  border-left: 3px solid #d2a13f;
  background: var(--warning-soft);
  color: #59471f;
  font-size: 0.9rem;
}

.evidence-sources a {
  display: block;
}

.trust-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.trust-grid section,
.verification-checklist,
.changelog {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.trust-grid h3,
.verification-checklist h2,
.changelog h2 {
  margin-top: 0;
}

.trust-grid p:last-child {
  margin-bottom: 0;
}

.objection {
  margin: 1rem 0;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--brand-bright);
  background: var(--brand-soft);
}

.objection h3 {
  margin-top: 0;
  font-size: 1rem;
}

.source-list {
  padding-left: 1.25rem;
}

.source-list li + li {
  margin-top: 1.2rem;
}

.source-list span {
  margin-right: 0.4rem;
  padding: 0.15rem 0.38rem;
  border-radius: 4px;
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 750;
  text-transform: uppercase;
}

.source-list small,
.source-list p {
  display: block;
  margin: 0.35rem 0 0;
}

.resource-list li + li {
  margin-top: 0.8rem;
}

.resource-list span {
  margin-left: 0.4rem;
  color: var(--ink-soft);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.resource-list p {
  margin: 0.25rem 0;
}

.verification-checklist {
  margin-top: 2.5rem;
}

.verification-checklist li + li {
  margin-top: 0.5rem;
}

.challenge {
  margin-top: 3rem;
  padding: clamp(1.4rem, 4vw, 2.2rem);
  border-radius: var(--radius);
  background: var(--brand);
  color: white;
}

.challenge h2 {
  margin-top: 0;
  color: white;
}

.challenge p {
  color: #d9e8ee;
}

.challenge .button {
  max-width: 220px;
}

.changelog {
  margin-top: 2rem;
}

.changelog ol {
  margin-bottom: 0;
}

.changelog time {
  display: block;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.changelog p {
  margin: 0.25rem 0 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.site-footer__inner {
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

@media (max-width: 900px) {
  .article-hero,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .verdict-card {
    max-width: 520px;
  }

  .toc {
    position: static;
    padding: 0.9rem 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
  }

  .toc p {
    grid-column: 1 / -1;
  }
}

@media (max-width: 650px) {
  body {
    font-size: 16px;
  }

  .header-nav a {
    display: none;
  }

  .home-hero {
    padding-top: 3.5rem;
  }

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

  .article-card:first-child {
    grid-column: auto;
  }

  .article-hero {
    margin-top: 2.25rem;
  }

  h1 {
    font-size: clamp(2.35rem, 13vw, 3.4rem);
  }

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

  .detail-body {
    padding-left: 1.25rem;
  }

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

  .site-footer__inner {
    flex-direction: column;
  }
}

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

  .article-card {
    transition: none;
  }
}

@media print {
  .reading-progress,
  .site-header,
  .toc,
  .share-panel,
  .challenge,
  .site-footer {
    display: none;
  }

  body {
    background: white;
  }

  .article-hero,
  .article-layout {
    width: 100%;
    display: block;
  }
}