.whitepaper-page {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 56px;
}

.whitepaper-page h1,
.whitepaper-page h2,
.whitepaper-page h3 {
  line-height: 1.08;
  letter-spacing: 0;
}

.paper-index-hero,
.paper-hero {
  display: grid;
  gap: 20px;
  padding: 58px 0 44px;
}

.paper-index-hero {
  max-width: 880px;
}

.paper-index-hero h1,
.paper-hero h1 {
  margin: 0;
  font-size: 58px;
}

.paper-index-hero > p:last-child,
.paper-lead,
.paper-stance {
  max-width: 800px;
  margin: 0;
  color: var(--muted);
  font-size: 19px;
}

.paper-lead {
  color: var(--fg);
  font-size: 24px;
}

.paper-eyebrow,
.paper-section-role {
  margin: 0;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.paper-page-kicker {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.paper-page-kicker a {
  font-weight: 700;
}

.paper-page-kicker span {
  text-align: right;
}

.paper-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.paper-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--fg);
  font-weight: 700;
  text-decoration: none;
}

.paper-button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}

.paper-anchor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 24px 0 12px;
  border-top: 1px solid var(--line);
}

.paper-anchor-card {
  --paper-focus: var(--accent);
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 24px;
  min-height: 490px;
  overflow: hidden;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid color-mix(in srgb, var(--paper-focus) 62%, var(--line));
  border-top: 6px solid var(--paper-focus);
  border-radius: 12px;
  background:
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--paper-focus) 18%, transparent), transparent 42%),
    linear-gradient(145deg, color-mix(in srgb, var(--paper-focus) 8%, var(--panel)), var(--panel) 58%);
  box-shadow: 0 20px 52px rgba(18, 23, 34, 0.10);
}

.paper-anchor-future {
  --paper-focus: var(--accent-2);
}

.paper-anchor-card::after {
  position: absolute;
  top: -76px;
  right: -76px;
  width: 172px;
  height: 172px;
  border: 1px solid color-mix(in srgb, var(--paper-focus) 32%, transparent);
  border-radius: 999px;
  content: "";
}

.paper-anchor-card > * {
  position: relative;
  z-index: 1;
}

.paper-anchor-heading {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.paper-anchor-heading > div {
  display: grid;
  gap: 5px;
}

.paper-anchor-number {
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border: 1px solid color-mix(in srgb, var(--paper-focus) 62%, var(--line));
  border-radius: 999px;
  color: var(--paper-focus);
  font-size: 13px;
  font-weight: 800;
}

.paper-type-badge {
  width: fit-content;
  margin: 0;
  padding: 4px 9px;
  border: 1px solid color-mix(in srgb, var(--paper-focus) 64%, var(--line));
  background: color-mix(in srgb, var(--paper-focus) 10%, var(--panel));
  color: color-mix(in srgb, var(--paper-focus) 82%, var(--fg));
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.paper-anchor-orientation {
  margin: 0;
  color: color-mix(in srgb, var(--paper-focus) 78%, var(--fg));
  font-size: 13px;
  font-weight: 700;
}

.paper-anchor-copy {
  display: grid;
  gap: 13px;
  align-content: start;
}

.paper-anchor-copy h2,
.paper-anchor-copy p {
  margin: 0;
}

.paper-anchor-copy h2 {
  font-size: clamp(29px, 3vw, 38px);
}

.paper-anchor-copy h2 a {
  color: var(--fg);
  text-decoration-color: color-mix(in srgb, var(--paper-focus) 50%, transparent);
}

.paper-anchor-copy > p:last-child {
  color: var(--muted);
}

.paper-anchor-card .paper-actions {
  align-self: end;
}

.paper-anchor-card .paper-button.primary {
  border-color: var(--paper-focus);
  background: var(--paper-focus);
}

.paper-source-facts {
  margin: 0;
}

.paper-source-facts > div {
  display: grid;
  gap: 3px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.paper-source-facts dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.paper-source-facts dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

.paper-library-bridge {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: end;
  margin: 54px 0 18px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--panel) 86%, var(--bg));
}

.paper-library-bridge > div {
  display: grid;
  gap: 10px;
  max-width: 760px;
}

.paper-library-bridge h2,
.paper-library-bridge p {
  margin: 0;
}

.paper-library-bridge h2 {
  font-size: clamp(27px, 3vw, 38px);
}

.paper-library-bridge > div > p:last-child {
  color: var(--muted);
}

.paper-library-bridge > .paper-button {
  white-space: nowrap;
}

.paper-preview {
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.paper-preview-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 18px;
}

.paper-preview-heading h2 {
  margin: 5px 0 0;
  font-size: 28px;
}

.paper-preview object {
  display: block;
  width: 100%;
  height: 620px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
}

.paper-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 72px;
  padding-top: 46px;
}

.paper-sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  display: grid;
  gap: 28px;
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding-right: 8px;
}

.paper-toc {
  display: grid;
  gap: 8px;
}

.paper-toc strong {
  margin-bottom: 4px;
}

.paper-toc a {
  padding: 5px 0 5px 12px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  text-decoration: none;
}

.paper-toc a:hover,
.paper-toc a:focus-visible {
  border-left-color: var(--accent);
  color: var(--fg);
}

.paper-article {
  width: min(100%, 790px);
}

.paper-section {
  padding: 8px 0 48px;
  scroll-margin-top: 24px;
}

.paper-section + .paper-section {
  padding-top: 42px;
  border-top: 1px solid var(--line);
}

.paper-section h2 {
  margin: 8px 0 22px;
  font-size: 38px;
}

.paper-prose {
  color: var(--fg);
  font-size: 17px;
}

.paper-prose h2,
.paper-prose h3 {
  margin: 32px 0 12px;
  font-size: 25px;
}

.paper-prose p,
.paper-prose ul,
.paper-prose ol,
.paper-prose blockquote {
  margin: 0 0 18px;
}

.paper-prose ul,
.paper-prose ol {
  padding-left: 24px;
}

.paper-prose li + li {
  margin-top: 7px;
}

.paper-prose code,
.paper-source-facts code,
.paper-listing-facts code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  overflow-wrap: anywhere;
}

.paper-prose blockquote {
  padding: 2px 0 2px 18px;
  border-left: 3px solid var(--accent-2);
  color: var(--muted);
}

.paper-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.paper-prose th,
.paper-prose td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.paper-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 26px;
}

.paper-principle {
  display: grid;
  gap: 8px;
  min-height: 112px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.paper-principle span {
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 700;
}

.paper-principle strong {
  font-size: 17px;
}

@media (max-width: 820px) {
  .whitepaper-page {
    width: min(100% - 28px, 640px);
    padding: 28px 0 40px;
  }

  .paper-index-hero,
  .paper-hero {
    padding: 40px 0 34px;
  }

  .paper-index-hero h1,
  .paper-hero h1 {
    font-size: 40px;
  }

  .paper-lead {
    font-size: 21px;
  }

  .paper-anchor-grid,
  .paper-library-bridge,
  .paper-layout {
    grid-template-columns: 1fr;
  }

  .paper-anchor-card {
    gap: 24px;
    min-height: 0;
    padding: 20px;
  }

  .paper-library-bridge {
    align-items: start;
  }

  .paper-layout {
    gap: 36px;
    padding-top: 36px;
  }

  .paper-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

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

  .paper-toc strong {
    grid-column: 1 / -1;
  }

  .paper-preview object {
    height: 480px;
  }

  .paper-section h2 {
    font-size: 32px;
  }
}

@media (max-width: 520px) {
  .paper-page-kicker,
  .paper-preview-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .paper-page-kicker span {
    text-align: left;
  }

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

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

  .paper-preview object {
    height: 360px;
  }
}