:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #536170;
  --paper: #f7f5ef;
  --white: #fffdfa;
  --navy: #102a43;
  --signal: #d26a32;
  --line: #d9d3c7;
  --soft: #e9eef2;
  --green: #275c4d;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
}

a { color: #0b5688; text-underline-offset: 0.16em; }
a:hover, a:focus-visible { color: #8e3d16; }
a:focus-visible { outline: 3px solid #e6a96d; outline-offset: 3px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 10;
  padding: 0.65rem 0.9rem;
  background: var(--white);
  border: 2px solid var(--navy);
}
.skip-link:focus { left: 0.5rem; }

.masthead {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 5vw, 5rem);
  color: white;
  background: var(--navy);
  border-bottom: 4px solid var(--signal);
  font-size: 0.78rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.brand { font-weight: 800; }
.series { opacity: 0.82; text-align: right; }

main { max-width: 1260px; margin: 0 auto; }

.hero {
  padding: clamp(3.2rem, 8vw, 7rem) clamp(1.2rem, 7vw, 6rem) clamp(2.6rem, 6vw, 5rem);
  background: linear-gradient(135deg, #102a43 0%, #183d58 68%, #275c4d 100%);
  color: white;
  border-radius: 0 0 1.3rem 1.3rem;
}
.eyebrow {
  margin: 0 0 1rem;
  color: #f2b27c;
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1 {
  max-width: 920px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.8rem, 7.2vw, 6.4rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.035em;
}
.deck {
  max-width: 850px;
  margin: 1.5rem 0 0;
  color: #dce7ef;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.7vw, 2.15rem);
  line-height: 1.25;
}
.standfirst {
  max-width: 790px;
  margin: 2rem 0 0;
  color: #eff5f8;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.65;
}
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: 2rem;
  color: #bdd0dc;
  font-size: 0.84rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(210px, 270px) minmax(0, 760px);
  justify-content: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(2.5rem, 6vw, 5.5rem) clamp(1.2rem, 5vw, 4rem) 6rem;
}

aside {
  align-self: start;
  position: sticky;
  top: 1.5rem;
  padding: 1.25rem;
  background: var(--white);
  border-top: 4px solid var(--signal);
  box-shadow: 0 10px 35px rgb(16 42 67 / 0.08);
  font-size: 0.9rem;
  line-height: 1.55;
}
.aside-label {
  margin: 0 0 0.5rem;
  color: var(--signal);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
aside p { margin-top: 0; }
aside a { display: block; margin-top: 0.65rem; font-weight: 650; }

article { min-width: 0; }
article > p:first-of-type {
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.26rem;
  line-height: 1.6;
}

h2, h3 {
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.16;
}
h2 {
  margin: 4rem 0 1.1rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--line);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.018em;
}
h3 {
  margin: 3rem 0 1rem;
  font-size: clamp(1.35rem, 2.7vw, 1.8rem);
  font-weight: 600;
}
p { margin: 0 0 1.25rem; }
ul, ol { margin: 0 0 1.6rem; padding-left: 1.35rem; }
li { margin-bottom: 0.55rem; }

article strong {
  color: var(--green);
  font-weight: 750;
}
article h2 + ul {
  padding: 1.25rem 1.4rem 1rem 2.8rem;
  background: var(--soft);
  border-left: 4px solid var(--green);
}

article h2[id="sources"] + ol {
  padding: 1.2rem 1.6rem 1.2rem 2.8rem;
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 0.92rem;
}

article h2[id="proposed-internal-links"] + p,
article h2[id="proposed-internal-links"] + p + ol {
  background: #fff3e8;
}
article h2[id="proposed-internal-links"] + p { margin: 0; padding: 1.1rem 1.35rem 0.5rem; }
article h2[id="proposed-internal-links"] + p + ol { padding: 0.2rem 1.35rem 1.2rem 2.8rem; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1.2rem, 5vw, 4rem);
  color: #d9e4eb;
  background: var(--navy);
  font-size: 0.82rem;
}
footer p { margin: 0; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .masthead { align-items: flex-start; }
  .hero { border-radius: 0; }
  .layout { display: block; padding-top: 2rem; }
  aside { position: static; margin-bottom: 3rem; }
  h2 { margin-top: 3.2rem; }
  footer { display: block; }
  footer p + p { margin-top: 0.5rem; }
}

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