:root {
  --navy: #123b5d;
  --navy-dark: #092a46;
  --red: #c62828;
  --ink: #1a2b38;
  --muted: #5f6f7c;
  --line: #d7e0e7;
  --pale: #edf4fa;
  --paper: #ffffff;
  --surface: #f6f8fa;
  --shadow: 0 18px 48px rgba(18, 59, 93, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--navy);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--red);
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(198, 40, 40, 0.32);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  transform: translateY(-160%);
  color: white;
  background: var(--navy-dark);
}

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

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 48px, 1440px);
  min-height: 72px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand-mark {
  width: auto;
  height: 52px;
  object-fit: contain;
}

.brand i {
  width: 1px;
  height: 22px;
  background: var(--line);
}

.brand span:last-child {
  color: var(--red);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.primary-nav a {
  color: var(--navy-dark);
  font-size: 0.94rem;
  font-weight: 650;
  text-decoration: none;
}

.primary-nav a:hover {
  color: var(--red);
}

.primary-nav .repo-link {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.mobile-nav {
  display: none;
  position: relative;
}

.hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.83fr) minmax(520px, 1.35fr);
  width: min(100% - 48px, 1440px);
  margin: 0 auto;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--paper);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 650px;
  padding: clamp(42px, 5vw, 76px);
  border-right: 1px solid var(--line);
}

.hero h1 {
  max-width: 630px;
  margin: 0;
  color: var(--navy-dark);
  font-size: clamp(2.55rem, 4.2vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.hero-lead {
  max-width: 610px;
  margin: 28px 0 30px;
  color: #3d4d5a;
  font-size: clamp(1.06rem, 1.45vw, 1.32rem);
  line-height: 1.55;
}

.hero-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0 0 34px;
  border-top: 1px solid var(--line);
}

.hero-metrics div {
  padding: 18px 16px 16px 0;
  border-bottom: 1px solid var(--line);
}

.hero-metrics div:nth-child(even) {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.hero-metrics dt {
  color: var(--navy-dark);
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
  font-weight: 760;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-metrics dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--navy);
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.button span {
  margin-left: 6px;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: white;
  background: var(--navy-dark);
}

.button-primary:hover {
  color: white;
  background: var(--red);
  border-color: var(--red);
}

.button-secondary {
  color: var(--navy-dark);
  background: white;
}

.hero-map {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  margin: 0;
  padding: 28px;
  background: #f7f9fb;
}

.hero-map img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 610px;
  object-fit: contain;
  border: 1px solid #c7d2db;
  background: white;
  box-shadow: var(--shadow);
}

.hero-map figcaption {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
  text-align: right;
}

.publication-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 960px);
  gap: clamp(36px, 5vw, 82px);
  justify-content: center;
  width: min(100% - 48px, 1440px);
  margin: 0 auto;
  padding: 76px 0 120px;
  border-top: 1px solid var(--line);
}

.document-nav {
  position: sticky;
  top: 100px;
  align-self: start;
  max-height: calc(100vh - 124px);
  padding: 0 28px 28px 0;
  overflow: auto;
  border-right: 1px solid var(--line);
  scrollbar-width: thin;
}

.eyebrow {
  margin: 0 0 13px;
  color: #6c7882;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.toc-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-list a {
  display: block;
  padding: 9px 11px;
  border-left: 3px solid transparent;
  color: var(--navy-dark);
  font-size: 0.86rem;
  line-height: 1.35;
  text-decoration: none;
}

.toc-list a:hover,
.toc-list a[aria-current="true"] {
  color: var(--navy-dark);
  background: var(--pale);
  border-left-color: var(--navy);
}

.download-panel {
  display: grid;
  gap: 2px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.download-panel a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 2px;
  color: var(--navy-dark);
  font-size: 0.82rem;
  text-decoration: none;
}

.download-panel a span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.report-body {
  min-width: 0;
  color: #273640;
  font-size: 1.04rem;
}

.publication-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 42px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.report-body h1,
.report-body h2,
.report-body h3 {
  color: var(--navy-dark);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.2;
  text-wrap: balance;
}

.report-body h1 {
  margin: 88px 0 28px;
  padding-top: 26px;
  border-top: 2px solid var(--navy-dark);
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  letter-spacing: -0.025em;
}

.report-body h1:first-of-type {
  margin-top: 0;
}

.report-body h2 {
  margin: 58px 0 20px;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.report-body h3 {
  margin: 38px 0 16px;
  font-size: 1.28rem;
}

.report-body p,
.report-body li {
  max-width: 78ch;
}

.report-body p {
  margin: 0 0 1.1em;
}

.report-body li + li {
  margin-top: 0.48em;
}

.report-body blockquote {
  margin: 0 0 42px;
  padding: 22px 24px;
  border: 0;
  border-left: 4px solid var(--red);
  background: var(--pale);
  color: #344956;
}

.report-body blockquote p:last-child {
  margin-bottom: 0;
}

.report-body img {
  display: block;
  width: 100%;
  height: auto;
  margin: 28px 0 34px;
  border: 1px solid #cfd8df;
  background: white;
  box-shadow: 0 10px 30px rgba(18, 59, 93, 0.08);
}

.report-body table {
  display: block;
  width: 100%;
  margin: 24px 0 38px;
  overflow-x: auto;
  border-spacing: 0;
  border: 1px solid var(--line);
  font-size: 0.81rem;
  line-height: 1.35;
  white-space: normal;
}

.report-body th,
.report-body td {
  min-width: 118px;
  padding: 10px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.report-body th {
  color: var(--navy-dark);
  background: var(--pale);
  font-weight: 760;
}

.report-body tr:last-child td {
  border-bottom: 0;
}

.report-body th:last-child,
.report-body td:last-child {
  border-right: 0;
}

.report-body hr {
  margin: 54px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding: 52px max(24px, calc((100vw - 1344px) / 2));
  color: #d9e5ee;
  background: var(--navy-dark);
  font-size: 0.82rem;
}

.site-footer p {
  margin: 0 0 7px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 12px 24px;
}

.site-footer a {
  color: white;
}

@media (max-width: 1100px) {
  .primary-nav {
    gap: 18px;
  }

  .hero {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .hero-copy {
    min-height: 560px;
    padding: 42px;
  }

  .publication-layout {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 40px;
  }
}

@media (max-width: 860px) {
  .header-inner,
  .hero,
  .publication-layout {
    width: min(100% - 32px, 760px);
  }

  .primary-nav {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .mobile-nav summary {
    padding: 9px 12px;
    color: var(--navy-dark);
    font-weight: 750;
    list-style: none;
    cursor: pointer;
  }

  .mobile-nav summary::-webkit-details-marker {
    display: none;
  }

  .mobile-nav > div {
    position: absolute;
    top: 48px;
    right: 0;
    display: grid;
    width: min(82vw, 320px);
    padding: 12px;
    border: 1px solid var(--line);
    background: white;
    box-shadow: var(--shadow);
  }

  .mobile-nav a {
    padding: 11px;
    color: var(--navy-dark);
    font-weight: 650;
    text-decoration: none;
  }

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

  .hero-copy {
    min-height: auto;
    padding: 56px 38px;
    border-right: 0;
  }

  .hero-map {
    padding: 22px;
    border-top: 1px solid var(--line);
  }

  .publication-layout {
    display: block;
    padding-top: 52px;
  }

  .document-nav {
    position: static;
    max-height: none;
    margin-bottom: 48px;
    padding: 0 0 28px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .download-panel {
    grid-template-columns: 1fr 1fr;
  }

  .download-panel .eyebrow {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  html {
    scroll-padding-top: 72px;
  }

  .header-inner {
    min-height: 62px;
  }

  .brand {
    font-size: 1.05rem;
  }

  .brand-mark {
    height: 42px;
  }

  .hero-copy {
    padding: 44px 22px;
  }

  .hero h1 {
    font-size: 2.75rem;
  }

  .hero-lead {
    margin-top: 22px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-metrics div:nth-child(even) {
    padding-left: 0;
    border-left: 0;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-map {
    padding: 12px;
  }

  .hero-map figcaption {
    text-align: left;
  }

  .toc-list,
  .download-panel {
    grid-template-columns: 1fr;
  }

  .report-body {
    font-size: 0.98rem;
  }

  .report-body h1 {
    margin-top: 68px;
    font-size: 2.05rem;
  }

  .publication-label {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .site-footer {
    flex-direction: column;
    padding: 40px 24px;
  }
}

@media print {
  .site-header,
  .hero,
  .document-nav,
  .site-footer {
    display: none;
  }

  .publication-layout {
    display: block;
    width: auto;
    padding: 0;
  }

  .report-body {
    font-size: 10pt;
  }
}