:root {
  --ink: #18231f;
  --muted: #64706b;
  --line: #dfe7e3;
  --paper: #ffffff;
  --soft: #f7faf8;
  --accent: #2f7d5c;
  --accent-soft: #e8f4ef;
  --max-width: 980px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "IBM Plex Sans", "Avenir Next", "Trebuchet MS", sans-serif;
  overflow-x: hidden;
}

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

a:hover {
  text-decoration: underline;
}

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

.page {
  width: min(calc(100vw - 36px), var(--max-width));
  margin: 0 auto;
}

.hero {
  padding: 62px 0 28px;
  text-align: center;
}

.venue {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  letter-spacing: -0.025em;
}

h1 {
  font-family: "Times New Roman", Times, serif;
  font-size: clamp(3.5rem, 10vw, 7.5rem);
  line-height: 0.94;
  overflow-wrap: anywhere;
}

h1 span {
  display: inline;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  line-height: 1.12;
}

.subtitle {
  max-width: min(760px, calc(100vw - 36px));
  margin: 16px auto 22px;
  color: var(--ink);
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 600;
  line-height: 1.35;
}

.authors {
  max-width: min(820px, calc(100vw - 36px));
  margin: 0 auto;
  color: var(--ink);
  font-size: 1.03rem;
  font-weight: 600;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.affiliations,
.notes {
  max-width: min(820px, calc(100vw - 36px));
  margin: 5px auto 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: min(760px, calc(100vw - 36px));
  margin: 26px auto 22px;
}

.link-row a,
.link-row span,
.copy-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 18px;
  color: var(--ink);
  background: #fff;
  font-size: 0.96rem;
  font-weight: 600;
}

.link-row a:first-child {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.link-row span {
  color: var(--muted);
  background: var(--soft);
}

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: min(760px, calc(100vw - 36px));
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--line);
}

.highlights div {
  display: flex;
  min-height: 90px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 14px;
  background: #fff;
}

.highlights strong,
.highlights span {
  display: block;
}

.highlights strong {
  font-family: "IBM Plex Sans", "Avenir Next", "Trebuchet MS", sans-serif;
  font-size: 1.28rem;
  font-weight: 700;
  line-height: 1.1;
}

.highlights strong.single-line {
  letter-spacing: 0;
  white-space: nowrap;
}

.highlights span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-figure {
  margin: 28px 0 44px;
}

figure {
  margin: 24px 0 0;
}

figure img {
  max-width: calc(100vw - 36px);
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

figcaption {
  max-width: min(820px, calc(100vw - 36px));
  margin: 10px auto 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
  text-align: center;
}

.section {
  padding: 38px 0 44px;
  border-top: 1px solid var(--line);
}

.section p {
  max-width: min(850px, calc(100vw - 36px));
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.78;
}

.section h2 {
  text-align: center;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 22px;
}

.resource-grid div {
  min-height: 64px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}

.resource-grid strong,
.resource-grid span,
.resource-grid a {
  display: block;
}

.resource-grid strong {
  margin-bottom: 2px;
  font-size: 0.95rem;
}

.resource-grid span {
  font-size: 0.92rem;
  color: var(--muted);
}

.citation pre {
  overflow-x: auto;
  margin: 22px 0 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfcfb;
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.58;
}

.copy-button {
  margin: 14px auto 0;
  cursor: pointer;
}

footer {
  width: min(calc(100vw - 36px), var(--max-width));
  margin: 0 auto;
  padding: 12px 0 48px;
  border-top: 1px solid var(--line);
  text-align: center;
}

footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 760px) {
  .page,
  footer {
    width: min(330px, calc(100vw - 36px));
    margin-left: 18px;
    margin-right: auto;
  }

  .hero {
    padding-top: 38px;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 4rem);
  }

  h1 span {
    display: block;
  }

  .subtitle,
  .authors,
  .affiliations,
  .notes,
  .link-row,
  .highlights,
  figcaption,
  .section p,
  figure img {
    max-width: min(330px, calc(100vw - 36px));
  }

  .link-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .highlights,
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .highlights strong {
    font-size: 1.2rem;
  }
}