:root {
  --paper-bg: #fbfaf6;
  --paper-text: #171717;
  --paper-muted: #5b5956;
  --paper-line: rgba(23, 23, 23, 0.1);
  --paper-surface: rgba(255, 255, 255, 0.88);
  --paper-shadow: 0 22px 60px rgba(24, 20, 12, 0.08);
  --paper-radius-xl: 38px;
  --paper-radius-lg: 24px;
  --paper-radius-md: 18px;
  --paper-radius-pill: 999px;
  --paper-shell: min(1180px, calc(100vw - 40px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(248, 216, 220, 0.36), transparent 20%),
    linear-gradient(180deg, #fdfcf9 0%, #fbfaf6 40%, #f8f2ea 100%);
  color: var(--paper-text);
  font-family: "Source Sans 3", sans-serif;
  line-height: 1.65;
}

code {
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(23, 23, 23, 0.06);
  font-family: Consolas, Monaco, monospace;
  font-size: 0.96em;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.paper-shell {
  width: var(--paper-shell);
  margin: 0 auto;
}

.paper-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 16px 0;
  background: rgba(251, 250, 246, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(23, 23, 23, 0.04);
}

.paper-nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.paper-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.paper-brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
  color: #fff;
  font-family: "Exo", sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  box-shadow: 0 14px 32px rgba(124, 58, 237, 0.24);
}

.paper-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.paper-brand-copy strong {
  font-family: "Exo", sans-serif;
  font-size: 1rem;
}

.paper-brand-copy small {
  color: var(--paper-muted);
  font-size: 0.84rem;
}

.paper-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.paper-nav a {
  position: relative;
  color: #2f2f2d;
}

.paper-nav a:hover,
.paper-nav a:focus-visible {
  font-weight: 700;
}

.paper-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.paper-hero {
  padding: 52px 0 24px;
}

.paper-main {
  padding-bottom: 64px;
}

.paper-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.8fr);
  gap: 30px;
  align-items: start;
}

.paper-eyebrow {
  margin: 0 0 12px;
  color: #7c665e;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  align-self: center;
}

.paper-hero-copy h1 {
  margin: 0;
  font-family: "Exo", sans-serif;
  font-size: clamp(2.7rem, 8vw, 4.7rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.paper-subtitle {
  margin: 18px 0 0;
  font-size: 1.08rem;
  color: var(--paper-muted);
}

.paper-meta-row,
.paper-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.paper-meta-row {
  margin-top: 18px;
}

.paper-pill,
.paper-link-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: var(--paper-radius-pill);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--paper-line);
}

.paper-summary {
  margin: 22px 0 0;
  font-size: 1.16rem;
  color: var(--paper-muted);
}

.paper-link-row {
  margin-top: 24px;
}

.paper-link-chip {
  font-weight: 700;
}

.paper-panel {
  border-radius: var(--paper-radius-lg);
  background: var(--paper-surface);
  border: 1px solid rgba(23, 23, 23, 0.08);
  box-shadow: var(--paper-shadow);
}

.paper-hero-side {
  display: grid;
  gap: 18px;
}

.paper-figure-card,
.paper-side-note,
.paper-copy-panel,
.paper-article,
.paper-metric-card,
.paper-resource-card,
.paper-citation-panel {
  padding: 22px;
}

.paper-figure-card {
  text-align: center;
}

.paper-figure-card .paper-eyebrow,
.paper-figure-card .paper-caption {
  text-align: center;
}

.paper-figure-card img {
  border-radius: 18px;
  margin: 12px auto 0;
}

.paper-section {
  padding: 24px 0;
}

.paper-section-muted {
  background:
    radial-gradient(circle at 12% 20%, rgba(248, 216, 220, 0.25), transparent 16%),
    linear-gradient(180deg, rgba(249, 243, 235, 0.72), rgba(247, 241, 231, 0.88));
}

.paper-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.paper-section-heading h2,
.paper-copy-panel h2 {
  margin: 0;
  font-family: "Exo", sans-serif;
  font-size: clamp(1.7rem, 4vw, 2.45rem);
  line-height: 1;
}

.paper-copy-panel p {
  margin: 0;
  color: var(--paper-muted);
}

.paper-copy-panel p + p {
  margin-top: 14px;
}

.paper-copy-panel .paper-list {
  margin-top: 14px;
}

.paper-section-stack,
.paper-metric-grid,
.paper-resource-grid {
  display: grid;
  gap: 18px;
}

.paper-feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.paper-metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.paper-resource-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.paper-metric-card strong,
.paper-resource-card h3 {
  display: block;
  margin: 0;
  font-family: "Exo", sans-serif;
  font-size: 1.18rem;
}

.paper-metric-card p,
.paper-resource-card p,
.paper-side-note p {
  margin: 10px 0 0;
  color: var(--paper-muted);
}

.paper-resource-card h3 {
  margin-top: 14px;
}

.paper-caption {
  margin: 12px 0 0;
  color: var(--paper-muted);
}

.paper-inline-link {
  display: inline-flex;
  margin-top: 14px;
  font-weight: 700;
}

.paper-inline-link:hover,
.paper-inline-link:focus-visible {
  text-decoration: underline;
}

.paper-article h1,
.paper-article h2,
.paper-article h3,
.paper-article h4 {
  margin: 0 0 14px;
  font-family: "Exo", sans-serif;
  line-height: 1.05;
}

.paper-article h2 {
  margin-top: 30px;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
}

.paper-article h3 {
  margin-top: 24px;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
}

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

.paper-article ul,
.paper-article ol {
  padding-left: 22px;
  color: var(--paper-muted);
}

.paper-article a {
  color: #24486b;
}

.paper-article blockquote {
  margin-left: 0;
  padding: 18px 20px;
  border-left: 4px solid rgba(36, 72, 107, 0.26);
  border-radius: 18px;
  background: rgba(36, 72, 107, 0.05);
  color: var(--paper-muted);
}

.paper-article pre {
  overflow-x: auto;
  padding: 18px 20px;
  border-radius: 20px;
  background: #181818;
  color: rgba(255, 255, 255, 0.92);
  font-family: Consolas, Monaco, monospace;
}

.paper-article hr {
  margin: 28px 0 0;
  border: 0;
  border-top: 1px solid rgba(36, 72, 107, 0.18);
}

.paper-article .markdown-table-wrap {
  margin: 18px 0 0;
  overflow-x: auto;
}

.paper-article .markdown-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  border-spacing: 0;
}

.paper-article .markdown-table th,
.paper-article .markdown-table td {
  padding: 12px 14px;
  border: 1px solid rgba(36, 72, 107, 0.14);
  vertical-align: top;
  color: var(--paper-muted);
}

.paper-article .markdown-table th {
  background: rgba(36, 72, 107, 0.08);
  color: #20374f;
  font-family: "Exo", sans-serif;
  font-size: 0.98rem;
}

.paper-article .markdown-table tbody tr:nth-child(even) td {
  background: rgba(36, 72, 107, 0.03);
}

.paper-article img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 18px;
}

.paper-article .markdown-figure {
  margin: 30px 0;
}

.paper-article .markdown-figure img {
  width: 100%;
  border: 1px solid rgba(36, 72, 107, 0.12);
  background: #ffffff;
}

.paper-article .markdown-figure figcaption {
  margin-top: 10px;
  color: var(--paper-muted);
  font-size: 0.96rem;
}

.paper-list {
  padding-left: 18px;
  color: var(--paper-muted);
}

.paper-list li + li {
  margin-top: 10px;
}

.paper-citation-panel pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "Source Sans 3", sans-serif;
  color: var(--paper-muted);
}

@media (max-width: 1080px) {
  .paper-hero-grid,
  .paper-feature-grid,
  .paper-metric-grid,
  .paper-resource-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .paper-nav-shell,
  .paper-section-heading {
    flex-direction: column;
    align-items: start;
  }

  .paper-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  :root {
    --paper-shell: min(1180px, calc(100vw - 24px));
  }

  .paper-hero {
    padding-top: 36px;
  }

  .paper-hero-copy h1 {
    font-size: clamp(2.3rem, 12vw, 3.4rem);
  }

  .paper-figure-card,
  .paper-side-note,
  .paper-copy-panel,
  .paper-article,
  .paper-metric-card,
  .paper-resource-card,
  .paper-citation-panel {
    padding-left: 18px;
    padding-right: 18px;
  }
}