:root {
  --ink: #172033;
  --muted: #5b6679;
  --navy: #16385f;
  --navy-deep: #102b4a;
  --red: #9f2f3f;
  --paper: #fffefa;
  --wash: #f2f5f8;
  --line: #dce3ea;
  --soft-blue: #edf3f8;
  --shadow: 0 18px 55px rgba(15, 37, 63, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #eaf0f5 0, #f6f8fa 420px, #eef2f5 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

a { color: var(--navy); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--red); }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .7rem 1rem;
  color: #fff;
  background: var(--navy-deep);
  border-radius: .4rem;
}
.skip-link:focus { top: 1rem; }

.site-header {
  color: #fff;
  background: rgba(16, 43, 74, .97);
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.site-header__inner {
  width: min(1180px, calc(100% - 40px));
  min-height: 66px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  color: #fff;
  font-weight: 800;
  letter-spacing: .08em;
  text-decoration: none;
}
.brand::before {
  content: "";
  display: inline-block;
  width: .62rem;
  height: .62rem;
  margin-right: .55rem;
  border-radius: 50%;
  background: #d34a5e;
  box-shadow: 0 0 0 5px rgba(211,74,94,.17);
}
.brand span { font-weight: 400; letter-spacing: .01em; opacity: .82; }
.site-header nav { display: flex; gap: 1.25rem; }
.site-header nav a {
  color: rgba(255,255,255,.82);
  font-size: .9rem;
  font-weight: 650;
  text-decoration: none;
}
.site-header nav a:hover { color: #fff; }

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 42px auto 0;
  background: var(--paper);
  border: 1px solid rgba(22,56,95,.09);
  border-radius: 18px 18px 0 0;
  box-shadow: var(--shadow);
  overflow: clip;
}

.article-hero {
  position: relative;
  padding: clamp(3rem, 7vw, 6.7rem) clamp(1.6rem, 8vw, 7.2rem) clamp(2.5rem, 5vw, 4.4rem);
  color: #fff;
  background:
    radial-gradient(circle at 82% 14%, rgba(197,61,82,.25), transparent 27%),
    linear-gradient(135deg, #102b4a 0%, #173f6a 62%, #0f304f 100%);
}
.article-hero::after {
  content: "";
  position: absolute;
  left: clamp(1.6rem, 8vw, 7.2rem);
  bottom: 0;
  width: 84px;
  height: 4px;
  background: #d34a5e;
}
.eyebrow {
  margin: 0 0 1.25rem;
  color: #d9e5ef;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.article-hero h1 {
  max-width: 900px;
  margin: 0;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.65rem, 6vw, 5.75rem);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: .99;
}
.deck {
  max-width: 760px;
  margin: 1.5rem 0 2.4rem;
  color: #e1eaf2;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  line-height: 1.4;
}
.byline {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem 2.4rem;
  padding-top: 1.35rem;
  border-top: 1px solid rgba(255,255,255,.17);
  color: #f7fafc;
  font-size: .9rem;
}
.byline > div { display: grid; gap: .12rem; }
.byline__label {
  color: #b7c8d8;
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.byline a { color: #fff; font-weight: 750; }

.article-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 760px);
  gap: clamp(2.5rem, 6vw, 6rem);
  justify-content: center;
  padding: clamp(2.4rem, 6vw, 5.7rem) clamp(1.6rem, 6vw, 5rem) 6rem;
}
.article-nav {
  align-self: start;
  position: sticky;
  top: 1.5rem;
  padding-right: 1.35rem;
  border-right: 1px solid var(--line);
  font-size: .78rem;
  line-height: 1.35;
}
.article-nav__title {
  margin: 0 0 1rem;
  color: var(--navy);
  font-size: .69rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.article-nav ul { margin: 0; padding: 0; list-style: none; }
.article-nav li { margin: 0 0 .52rem; }
.article-nav li ul { display: none; }
.article-nav a { color: #596779; text-decoration: none; }
.article-nav a:hover { color: var(--red); }
.citation-note {
  display: grid;
  gap: .35rem;
  margin-top: 1.5rem;
  padding: 1rem;
  color: #596779;
  background: var(--soft-blue);
  border-radius: 8px;
}
.citation-note strong { color: var(--navy-deep); }

.article {
  min-width: 0;
  color: #263143;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
  line-height: 1.83;
}
.article > h2:first-child {
  margin-top: 0;
}
.article h2 {
  margin: 4.2rem 0 1.15rem;
  padding-top: .7rem;
  color: var(--navy-deep);
  border-top: 1px solid var(--line);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: clamp(1.55rem, 3vw, 2.12rem);
  letter-spacing: -.025em;
  line-height: 1.18;
}
.article h3 {
  margin: 2.7rem 0 .75rem;
  color: var(--navy);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 1.27rem;
  line-height: 1.35;
}
.article p { margin: 0 0 1.22rem; }
.article strong { color: #172d47; }
.article > p:first-of-type {
  margin: 0 0 1.2rem;
  padding: 1.7rem 1.8rem 1.6rem;
  color: #27384c;
  background: #f3f6f8;
  border-left: 4px solid var(--red);
  border-radius: 0 9px 9px 0;
  font-size: 1.02rem;
  line-height: 1.75;
}
.article > p:nth-of-type(2) {
  margin-bottom: 3rem;
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: .84rem;
  line-height: 1.65;
}
.article blockquote {
  margin: 2.3rem 0;
  padding: .15rem 0 .15rem 1.6rem;
  color: var(--navy-deep);
  border-left: 4px solid var(--red);
  font-size: 1.28rem;
}
.article table {
  width: 100%;
  margin: 1.7rem 0 2.5rem;
  border-collapse: collapse;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: .84rem;
  line-height: 1.5;
}
.article thead { color: #fff; background: var(--navy-deep); }
.article th, .article td {
  padding: .9rem .85rem;
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--line);
}
.article tbody tr:nth-child(even) { background: #f7f9fb; }
.article ol, .article ul { padding-left: 1.35rem; }
.article li { margin-bottom: .65rem; }
.article a { overflow-wrap: anywhere; }
.article h2[id$="references"] ~ p {
  padding-left: 2.2rem;
  text-indent: -2.2rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: .83rem;
  line-height: 1.6;
}
.article h2#copyright-and-permissions {
  margin-top: 4.7rem;
  color: var(--navy-deep);
}
.article h2#copyright-and-permissions ~ p {
  padding: 0;
  text-indent: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: .84rem;
  line-height: 1.65;
}

.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 42px;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem clamp(1.6rem, 6vw, 5rem);
  color: #dce6ee;
  background: var(--navy-deep);
  border-radius: 0 0 18px 18px;
  font-size: .78rem;
}
.site-footer div { display: grid; }
.site-footer span { color: #aebfce; }
.site-footer p { margin: 0; }

.sources-hero {
  padding: clamp(2.8rem, 7vw, 5.6rem);
  color: #fff;
  background:
    radial-gradient(circle at 82% 15%, rgba(197,61,82,.23), transparent 29%),
    linear-gradient(135deg, #102b4a, #173f6a);
}
.sources-hero .eyebrow { margin-bottom: 1rem; }
.sources-hero h1 {
  max-width: 840px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -.04em;
  line-height: 1.05;
}
.sources-hero p:last-child {
  max-width: 700px;
  margin: 1.3rem 0 0;
  color: #dbe6ef;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.18rem;
}
.sources-content { padding: clamp(2rem, 6vw, 5rem); }
.sources-intro {
  max-width: 760px;
  margin: 0 0 2.4rem;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
}
.source-card {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: clamp(1.4rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 4vw, 2.8rem);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 12px 34px rgba(15,37,63,.06);
}
.source-card__meta {
  color: var(--muted);
  font-size: .74rem;
  font-weight: 750;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.source-card__type {
  display: inline-block;
  margin-bottom: 1rem;
  padding: .35rem .55rem;
  color: var(--red);
  background: #fff1f3;
  border-radius: 4px;
}
.source-card h2 {
  margin: 0 0 .7rem;
  color: var(--navy-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.25;
}
.source-card p { margin: 0 0 1rem; color: var(--muted); }
.source-card__people { font-size: .88rem; }
.read-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: .5rem;
  padding: .72rem 1rem;
  color: #fff;
  background: var(--navy);
  border-radius: 6px;
  font-size: .85rem;
  font-weight: 750;
  text-decoration: none;
}
.read-link:hover { color: #fff; background: var(--red); }

@media (max-width: 920px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-nav {
    position: static;
    padding: 1rem 1.15rem;
    background: var(--soft-blue);
    border: 0;
    border-radius: 8px;
  }
  .article-nav nav > ul {
    columns: 2;
    column-gap: 2rem;
  }
  .citation-note { display: none; }
}

@media (max-width: 680px) {
  .site-header__inner { width: min(100% - 28px, 1180px); }
  .site-header nav a:not(:first-child) { display: none; }
  .page-shell, .site-footer { width: min(100% - 20px, 1180px); }
  .page-shell { margin-top: 10px; border-radius: 12px 12px 0 0; }
  .article-hero { padding: 3rem 1.35rem 2.5rem; }
  .article-hero::after { left: 1.35rem; }
  .article-layout { padding: 2rem 1.25rem 4rem; }
  .article-nav nav > ul { columns: 1; }
  .article { font-size: 1rem; line-height: 1.75; }
  .article table { display: block; overflow-x: auto; white-space: normal; }
  .site-footer { display: grid; margin-bottom: 10px; border-radius: 0 0 12px 12px; }
  .source-card { grid-template-columns: 1fr; }
}

@media print {
  body { background: #fff; }
  .site-header, .article-nav, .site-footer { display: none; }
  .page-shell { width: 100%; margin: 0; border: 0; box-shadow: none; }
  .article-hero { padding: 2rem 0; color: #111; background: #fff; }
  .article-hero h1, .article-hero .deck, .article-hero .byline { color: #111; }
  .article-layout { display: block; padding: 1rem 0; }
  .article { max-width: none; }
  .article a { color: #111; }
}
