:root {
  color-scheme: light dark;
  --ink: #10233f;
  --muted: #52647d;
  --canvas: #f5f9ff;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-solid: #ffffff;
  --line: #cad8ea;
  --accent: #0869d7;
  --accent-strong: #044a9d;
  --accent-soft: #e1efff;
  --draft: #8d4300;
  --draft-soft: #fff1d8;
  --shadow: 0 22px 55px rgba(30, 72, 126, 0.12);
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --content: 74rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 92% 0%, rgba(31, 132, 255, 0.18), transparent 29rem),
    linear-gradient(180deg, #eef6ff 0, var(--canvas) 25rem, var(--canvas) 100%);
  font-size: 1rem;
  line-height: 1.65;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.18em;
}

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

a:focus-visible,
summary:focus-visible {
  outline: 0.2rem solid #f0a400;
  outline-offset: 0.2rem;
  border-radius: 0.2rem;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  transform: translateY(-180%);
  border-radius: 999px;
  color: #ffffff;
  background: var(--ink);
  font-weight: 700;
}

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

.site-header {
  border-bottom: 1px solid rgba(125, 153, 188, 0.32);
  background: rgba(245, 249, 255, 0.82);
  backdrop-filter: blur(18px);
}

.nav,
.page-shell,
.home-main,
.site-footer-inner {
  width: min(calc(100% - 2rem), var(--content));
  margin-inline: auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: inline-grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  overflow: hidden;
  border-radius: 0.75rem;
  background: linear-gradient(145deg, #188cff, #075bc2);
  box-shadow: 0 8px 20px rgba(8, 105, 215, 0.3);
}

.brand-mark::before,
.brand-mark::after {
  width: 0.35rem;
  border-radius: 999px;
  background: #ffffff;
  content: "";
}

.brand-mark::before {
  height: 1.05rem;
  transform: translateX(-0.27rem);
}

.brand-mark::after {
  position: absolute;
  height: 1.45rem;
  transform: translateX(0.27rem);
  opacity: 0.72;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}

.nav-links a {
  padding: 0.48rem 0.72rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.draft-banner {
  border-bottom: 1px solid #edc283;
  color: #5c2b00;
  background: var(--draft-soft);
}

.draft-banner p {
  width: min(calc(100% - 2rem), var(--content));
  margin: 0 auto;
  padding: 0.7rem 0;
  font-size: 0.9rem;
  font-weight: 720;
  text-align: center;
}

.home-main {
  padding: clamp(3.5rem, 8vw, 7rem) 0 5rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 6rem);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 16ch;
  margin-bottom: 1rem;
  font-size: clamp(2.6rem, 7vw, 5.7rem);
  letter-spacing: -0.055em;
}

.document-title {
  max-width: none;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
}

h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1.06rem;
}

p,
ul,
ol,
dl {
  margin-top: 0;
}

.lede {
  max-width: 43rem;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.6;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-card,
.document-card,
.link-card,
.callout,
.data-card {
  border: 1px solid rgba(145, 169, 198, 0.52);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  overflow: hidden;
  min-height: 23rem;
  padding: clamp(1.6rem, 4vw, 2.5rem);
  border-radius: 2rem;
  background:
    radial-gradient(circle at 82% 12%, rgba(151, 211, 255, 0.85), transparent 11rem),
    linear-gradient(145deg, #0d71dc, #074495);
  color: #ffffff;
  box-shadow: 0 30px 70px rgba(7, 68, 149, 0.28);
}

.hero-card::after {
  position: absolute;
  right: -5rem;
  bottom: -7rem;
  width: 20rem;
  height: 20rem;
  border: 2.5rem solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  content: "";
}

.hero-card h2 {
  max-width: 11ch;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.hero-card p {
  max-width: 30rem;
  color: rgba(255, 255, 255, 0.84);
}

.status-list {
  display: grid;
  gap: 0.7rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.status-list li {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
}

.status-list li::before {
  display: grid;
  flex: 0 0 1.55rem;
  width: 1.55rem;
  height: 1.55rem;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.17);
  content: "✓";
  font-size: 0.82rem;
}

.document-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(3rem, 7vw, 5.5rem);
}

.link-card {
  display: block;
  padding: clamp(1.4rem, 3vw, 2rem);
  border-radius: var(--radius-lg);
  color: var(--ink);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.link-card:hover {
  transform: translateY(-0.2rem);
  border-color: #7faee6;
  color: var(--ink);
  box-shadow: 0 25px 60px rgba(30, 72, 126, 0.18);
}

.link-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.link-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.1rem;
  color: var(--accent-strong);
  font-weight: 760;
}

.page-shell {
  display: grid;
  grid-template-columns: minmax(12rem, 15rem) minmax(0, 48rem);
  justify-content: center;
  gap: clamp(2rem, 6vw, 5.5rem);
  padding: clamp(2.5rem, 6vw, 5rem) 0 5rem;
}

.toc {
  align-self: start;
}

.toc-inner {
  position: sticky;
  top: 1.5rem;
  padding: 1rem;
  border: 1px solid rgba(145, 169, 198, 0.42);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.66);
}

.toc-title {
  margin-bottom: 0.65rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toc ol {
  display: grid;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc a {
  display: block;
  padding: 0.42rem 0.52rem;
  border-radius: 0.55rem;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 620;
  line-height: 1.35;
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.document-card {
  overflow: hidden;
  border-radius: 2rem;
}

.document-header {
  padding: clamp(2rem, 6vw, 4.25rem);
  background:
    radial-gradient(circle at 100% 0%, rgba(96, 177, 255, 0.24), transparent 18rem),
    linear-gradient(155deg, #ffffff, #eef6ff);
}

.document-body {
  padding: clamp(1.5rem, 5vw, 4.25rem);
}

.document-body section {
  padding-block: 0.5rem 2rem;
  scroll-margin-top: 2rem;
}

.document-body section + section {
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.document-body li + li {
  margin-top: 0.45rem;
}

.callout {
  margin: 1.2rem 0 2rem;
  padding: 1.1rem 1.25rem;
  border-left: 0.28rem solid var(--accent);
  border-radius: 0.25rem var(--radius-md) var(--radius-md) 0.25rem;
  box-shadow: none;
}

.callout p:last-child,
.data-card p:last-child {
  margin-bottom: 0;
}

.callout-warning {
  border-color: #b45c00;
  background: #fff8ea;
}

.placeholder {
  color: var(--draft);
  background: var(--draft-soft);
  font-weight: 800;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1rem 0 2rem;
}

.data-card {
  padding: 1.1rem;
  border-radius: var(--radius-md);
  box-shadow: none;
}

.data-card p {
  color: var(--muted);
  font-size: 0.94rem;
}

.plain-table {
  width: 100%;
  margin: 1rem 0 2rem;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.plain-table th,
.plain-table td {
  padding: 0.85rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.plain-table th {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.plain-table td:first-child {
  color: var(--ink);
  font-weight: 730;
}

.site-footer {
  border-top: 1px solid rgba(125, 153, 188, 0.32);
  color: var(--muted);
  background: #ebf3fc;
}

.site-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 6rem;
  font-size: 0.88rem;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
}

@media (max-width: 48rem) {
  .nav,
  .page-shell,
  .home-main,
  .site-footer-inner,
  .draft-banner p {
    width: calc(100vw - 2rem);
    max-width: calc(100vw - 2rem);
  }

  .hero,
  .page-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card {
    min-height: 20rem;
  }

  .toc-inner {
    position: static;
  }

  .toc,
  .document-card {
    min-width: 0;
    max-width: 100%;
  }

  .toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .document-links,
  .data-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 35rem) {
  .nav {
    align-items: flex-start;
    flex-wrap: wrap;
    padding-block: 0.8rem;
  }

  .brand {
    padding-top: 0.2rem;
  }

  .nav-links {
    max-width: none;
    justify-content: flex-start;
  }

  .nav-links a {
    padding: 0.34rem 0.52rem;
    font-size: 0.82rem;
  }

  .plain-table,
  .plain-table tbody,
  .plain-table tr,
  .plain-table td {
    display: block;
  }

  .plain-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .plain-table tr {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
  }

  .plain-table td {
    padding: 0.25rem 0;
    border: 0;
  }

  .plain-table td::before {
    display: block;
    color: var(--muted);
    content: attr(data-label);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .site-footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1.5rem;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef6ff;
    --muted: #afbed2;
    --canvas: #071220;
    --surface: rgba(14, 30, 50, 0.94);
    --surface-solid: #0e1e32;
    --line: #2d435d;
    --accent: #7fbaff;
    --accent-strong: #acd3ff;
    --accent-soft: #153a65;
    --draft: #ffd89b;
    --draft-soft: #492800;
    --shadow: 0 22px 55px rgba(0, 0, 0, 0.3);
  }

  body {
    background:
      radial-gradient(circle at 92% 0%, rgba(31, 132, 255, 0.2), transparent 29rem),
      linear-gradient(180deg, #0c2139 0, var(--canvas) 25rem, var(--canvas) 100%);
  }

  .site-header {
    background: rgba(7, 18, 32, 0.84);
  }

  .draft-banner {
    border-color: #805515;
    color: #ffe2b3;
  }

  .toc-inner {
    background: rgba(14, 30, 50, 0.72);
  }

  .document-header {
    background:
      radial-gradient(circle at 100% 0%, rgba(96, 177, 255, 0.14), transparent 18rem),
      linear-gradient(155deg, #122945, #0e1e32);
  }

  .callout-warning {
    color: #ffe4b8;
    background: #33220d;
  }

  .site-footer {
    background: #0a1829;
  }
}

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

  .link-card {
    transition: none;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body {
    color: #000000;
    background: #ffffff;
    font-size: 10.5pt;
  }

  .site-header,
  .draft-banner,
  .toc,
  .site-footer {
    display: none;
  }

  .page-shell {
    display: block;
    width: 100%;
    padding: 0;
  }

  .document-card {
    border: 0;
    box-shadow: none;
  }

  .document-header,
  .document-body {
    padding: 0;
    background: #ffffff;
  }

  a {
    color: #000000;
  }
}