:root {
  color-scheme: light dark;
  --bg: #fff;
  --ink: #151515;
  --muted: #5f5f5f;
  --soft: #767676;
  --line: #e6e6e6;
  --accent: #00f;
  --focus: #6f5600;
  --measure: 34rem;
  --wide: 82rem;
  --gutter: clamp(2rem, 3.8vw, 3.4rem);
  --header-space: clamp(7.4rem, 12vw, 8rem);
  --serif: Times, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111;
    --ink: #efeee9;
    --muted: #bab8b0;
    --soft: #8d8b84;
    --line: #2c2c2a;
    --accent: #6d93dc;
    --focus: #d8bc68;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-space);
}

body {
  margin: 0;
  padding-top: var(--header-space);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.08rem, 0.4vw + 1rem, 1.26rem);
  font-weight: 400;
  line-height: 1.48;
  text-rendering: optimizeLegibility;
  font-feature-settings: "liga" 1, "kern" 1;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 0.35rem;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0.75rem;
  z-index: 30;
  transform: translateY(-160%);
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 0.78rem;
  padding: 0.45rem 0.65rem;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
  padding: clamp(1.6rem, 2.1vw, 2.35rem) var(--gutter) clamp(1.45rem, 3.2vw, 2.75rem);
  background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(255,255,255,1) 78%, rgba(255,255,255,0) 100%);
  transition: transform 700ms cubic-bezier(0.645, 0.045, 0.355, 1);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: linear-gradient(180deg, rgba(17,17,17,1) 0%, rgba(17,17,17,1) 78%, rgba(17,17,17,0) 100%);
  }
}

.site-header.is-minimized {
  transform: translateY(-0.75rem);
}

.masthead,
.site-nav,
.section-label,
.entry-number,
.footer-name {
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.masthead {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.55vw + 0.55rem, 1.34rem);
  font-weight: 400;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: clamp(1.4rem, 5vw, 3.1rem);
  font-family: var(--serif);
  font-size: clamp(1rem, 0.7vw + 0.92rem, 1.34rem);
  font-weight: 400;
  letter-spacing: 0.1em;
}

.site-nav a {
  display: inline-flex;
  padding-block: 0.45rem;
}

.site-nav a[aria-current="page"] {
  text-decoration: none;
}

.page {
  max-width: var(--wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page {
  min-height: calc(100svh - var(--header-space));
  padding-block: clamp(4rem, 6.5vw, 7rem);
}

.page-index {
  display: grid;
  align-content: start;
  padding-block: clamp(5.2rem, 7.3vw, 9rem) clamp(4rem, 6.5vw, 7rem);
}

.preface {
  margin-bottom: clamp(10rem, 12vw, 15rem);
}

.preface-label {
  margin-bottom: clamp(3.8rem, 4.2vw, 5.2rem);
}

.preface-copy {
  max-width: 66rem;
  margin-inline: auto;
  color: var(--ink);
  font-size: clamp(2rem, 1.15vw + 0.8rem, 2.55rem);
  font-weight: 400;
  line-height: 1.34;
}

.index-label {
  margin-bottom: clamp(2.6rem, 3vw, 3.8rem);
}

.link-index,
.link-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.link-index {
  max-width: 48rem;
  color: var(--ink);
  font-family: var(--serif);
  margin-left: clamp(2.2rem, 2vw, 2.5rem);
  font-size: clamp(2rem, 1.15vw + 0.8rem, 2.55rem);
  line-height: 1.34;
}

.link-index > li + li {
  margin-top: clamp(3.2rem, 5vw, 5rem);
}

.link-index a {
  display: inline-flex;
  gap: 0.55rem;
}

.link-index a span {
  color: var(--ink);
}

.link-index ol {
  margin-top: 0.18rem;
  padding-left: clamp(2.2rem, 3vw, 3.6rem);
}

.section-label {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1rem, 0.45vw + 0.92rem, 1.28rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-align: center;
}

.publication-section {
  display: grid;
  grid-template-columns: minmax(9rem, 0.56fr) minmax(0, 1fr);
  gap: clamp(3rem, 8vw, 8rem);
  padding-block: clamp(4rem, 8vw, 7rem);
}

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

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  color: var(--accent);
}

.section-heading span,
.section-heading h1,
.section-heading h2 {
  font-size: clamp(2rem, 3vw, 4rem);
  font-weight: 400;
  line-height: 1.1;
}

.entry-list {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
}

.entry-list article,
.about-copy {
  max-width: var(--measure);
}

.entry-number {
  margin-bottom: 1.05rem;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1.1rem, 0.8vw + 0.95rem, 1.55rem);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.entry-list h2,
.entry-list h3 {
  color: var(--ink);
  font-size: clamp(1.72rem, 1.8vw, 2.7rem);
  font-weight: 400;
  line-height: 1.12;
}

.entry-list p,
.about-copy p {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: clamp(1.12rem, 0.8vw + 1rem, 1.55rem);
  line-height: 1.44;
}

.entry-meta,
.entry-list time {
  display: block;
  margin-top: 0.85rem;
  color: var(--soft);
  font-family: var(--sans);
  font-size: 0.78rem;
}

.interest-index {
  display: grid;
  gap: 0.5rem;
  align-self: start;
  max-width: 42rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--accent);
  font-size: clamp(1.72rem, 2.45vw, 3.25rem);
  line-height: 1.28;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) minmax(18rem, 28rem);
  gap: clamp(4rem, 14vw, 16rem);
  align-items: start;
  width: 100%;
  padding-inline: var(--gutter);
  padding-block: clamp(10rem, 15vw, 18rem) clamp(3.8rem, 5vw, 5.5rem);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1.2rem, 0.65vw + 0.8rem, 1.5rem);
  line-height: 1.18;
}

.footer-name {
  color: var(--ink);
}

.site-footer address {
  font-style: normal;
}

.footer-impact {
  max-width: 26rem;
  justify-self: end;
  text-align: right;
}

.footer-notes {
  display: grid;
  justify-items: end;
  gap: 1rem;
}

.footer-policy-links {
  font-size: 0.78rem;
}

.cookie-preferences,
.cookie-actions button {
  appearance: none;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
}

.cookie-preferences {
  padding: 0.35rem 0.5rem;
  font-size: 0.78rem;
}

.cookie-banner {
  position: fixed;
  left: var(--gutter);
  right: var(--gutter);
  bottom: var(--gutter);
  z-index: 40;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1rem, 4vw, 3rem);
  align-items: end;
  max-width: 64rem;
  padding: 1rem;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--ink);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--bg) 80%, transparent);
}

.cookie-copy {
  max-width: 38rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  line-height: 1.35;
}

.cookie-title {
  margin-bottom: 0.3rem;
  color: var(--ink);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cookie-actions {
  display: flex;
  gap: 0.6rem;
}

.cookie-actions button {
  min-width: 8.5rem;
  padding: 0.65rem 0.8rem;
  font-size: 0.9rem;
}

.policy-copy {
  display: grid;
  gap: 1rem;
}

.policy-copy code {
  font-family: var(--sans);
  font-size: 0.88em;
}

@media (max-width: 760px) {
  :root {
    --gutter: clamp(2rem, 8vw, 2.6rem);
  }

  .site-header {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 1.45rem;
    padding-top: 2rem;
  }

  .site-header.is-minimized {
    transform: translateY(-0.45rem);
  }

  .masthead {
    font-size: clamp(0.72rem, 0.32vw + 0.68rem, 0.86rem);
    letter-spacing: 0.2em;
  }

  .site-nav {
    justify-content: center;
    gap: clamp(1.2rem, 6vw, 2rem);
    font-size: clamp(1.02rem, 4vw, 1.32rem);
  }

  .site-nav a {
    padding-block: 0.75rem;
  }

  .page {
    padding-block: clamp(4.5rem, 16vw, 7rem);
  }

  .page-index {
    padding-block: clamp(4.5rem, 16vw, 7rem);
  }

  .preface {
    margin-bottom: clamp(5.2rem, 18vw, 7rem);
  }

  .preface-label {
    margin-bottom: clamp(2.5rem, 10vw, 3.5rem);
  }

  .preface-copy {
    font-size: clamp(1.32rem, 5.2vw, 1.9rem);
    line-height: 1.38;
  }

  .index-label {
    margin-bottom: clamp(2.5rem, 10vw, 3.5rem);
  }

  .link-index {
    margin-left: 0;
    font-size: clamp(1.32rem, 5.2vw, 1.9rem);
    line-height: 1.38;
  }

  .link-index > li + li {
    margin-top: clamp(2.8rem, 11vw, 4rem);
  }

  .link-index ol {
    padding-left: clamp(2rem, 11vw, 3.7rem);
  }

  .publication-section {
    grid-template-columns: 1fr;
    gap: clamp(2.2rem, 9vw, 3.6rem);
    padding-block: clamp(4.7rem, 17vw, 7rem);
  }

  .section-heading span,
  .section-heading h1,
  .section-heading h2 {
    font-size: clamp(1.9rem, 8vw, 2.9rem);
  }

  .entry-list h2,
  .entry-list h3,
  .interest-index {
    font-size: clamp(1.32rem, 5.2vw, 1.9rem);
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: clamp(3rem, 14vw, 5rem);
    padding-block: clamp(6rem, 22vw, 9rem) 3rem;
    font-size: clamp(1.05rem, 4.2vw, 1.28rem);
    line-height: 1.25;
  }

  .footer-impact {
    justify-self: start;
    text-align: left;
  }

  .footer-notes {
    justify-items: start;
  }

  .cookie-banner {
    grid-template-columns: 1fr;
  }

  .cookie-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}