:root {
  --ink: #1e2429;
  --muted: #65717d;
  --line: #dfe7ec;
  --soft: #f6f9f8;
  --soft-blue: #edf6fb;
  --blue: #1f6f9f;
  --green: #4f806b;
  --green-dark: #315e4e;
  --gold: #b98d3d;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--ink);
  background: #ffffff;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--blue);
}

.project-hero {
  background:
    radial-gradient(circle at 15% 15%, rgba(79, 128, 107, 0.14), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f7faf8 100%);
  border-bottom: 1px solid var(--line);
}

.project-hero .hero-body {
  padding: 4.5rem 1.5rem 3.5rem;
}

.eyebrow {
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

.publication-title {
  color: var(--ink);
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 0.98;
  margin: 0 auto 1.4rem;
  max-width: 1050px;
}

.brand {
  display: block;
  letter-spacing: 0;
}

.subtitle-line {
  color: #2f373d;
  display: block;
  font-size: clamp(1.25rem, 2.3vw, 2.15rem);
  font-weight: 700;
  line-height: 1.18;
  margin-top: 0.55rem;
}

.publication-authors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  justify-content: center;
  margin: 0 auto 0.75rem;
  max-width: 950px;
}

.publication-authors span {
  color: #1976b9;
  font-size: 1.03rem;
  font-weight: 600;
}

.affiliations,
.author-note {
  color: var(--muted);
  margin: 0.2rem 0;
}

.author-note {
  font-size: 0.9rem;
}

.project-buttons {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.8rem;
}

.project-button {
  background: #22282d;
  border: 1px solid #22282d;
  border-radius: 999px;
  color: #ffffff;
  font-weight: 700;
  height: auto;
  padding: 0.72rem 1.1rem;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.project-button:hover,
.project-button:focus {
  background: var(--green-dark);
  border-color: var(--green-dark);
  box-shadow: 0 8px 20px rgba(49, 94, 78, 0.18);
  color: #ffffff;
  transform: translateY(-1px);
}

.muted-button,
.muted-button:hover,
.muted-button:focus {
  background: #eef2f1;
  border-color: #d9e3df;
  box-shadow: none;
  color: #52605d;
}

.section {
  padding: 3.5rem 1.5rem;
}

.teaser-section {
  padding-top: 2.2rem;
}

.soft-section,
.stats-section {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.section-title {
  color: var(--ink);
  font-size: clamp(1.7rem, 2.5vw, 2.35rem);
  font-weight: 820;
  letter-spacing: 0;
  line-height: 1.12;
  margin-bottom: 1.25rem;
}

.lead {
  color: #334047;
  font-size: 1.12rem;
}

.container-narrow {
  margin-left: auto;
  margin-right: auto;
  max-width: 900px;
}

.narrative-copy p {
  color: #34434b;
  font-size: 1.03rem;
  line-height: 1.82;
  margin-bottom: 1rem;
}

.narrative-copy p:last-child {
  margin-bottom: 0;
}

.metric-sentence {
  border-left: 3px solid var(--green);
  color: #2f3c42;
  padding-left: 1rem;
}

.metric-sentence strong {
  color: var(--green-dark);
}

.paper-figure {
  margin: 0;
}

.paper-figure img {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  height: auto;
  width: 100%;
}

.hero-figure img {
  box-shadow: 0 18px 45px rgba(28, 48, 58, 0.1);
}

.paper-figure figcaption {
  color: var(--muted);
  font-size: 0.94rem;
  margin-top: 0.85rem;
  text-align: center;
}

.compact-figure {
  margin-left: auto;
  margin-right: auto;
  max-width: 620px;
}

.figure-grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.figure-grid.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.experiment-block {
  border-top: 1px solid var(--line);
  margin-top: 2.4rem;
  padding-top: 2.2rem;
}

.experiment-copy {
  margin-left: auto;
  margin-right: auto;
  max-width: 920px;
}

.experiment-copy h3 {
  color: var(--green-dark);
  font-size: 1.24rem;
  font-weight: 820;
  letter-spacing: 0;
  margin-bottom: 0.55rem;
}

.experiment-copy p {
  color: #34434b;
  font-size: 1.02rem;
  line-height: 1.82;
  margin-bottom: 1rem;
}

.experiment-block .paper-figure {
  margin-top: 1.3rem;
}

.release-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.release-list span {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #42505a;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.48rem 0.82rem;
}

.citation-box {
  background: #f8fafb;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  padding: 1.1rem;
}

.footer {
  background: #ffffff;
  border-top: 1px solid var(--line);
  padding: 2.2rem 1.5rem;
}

.footer p {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}

.license-note {
  font-size: 0.84rem;
}

@media (max-width: 960px) {
  .figure-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .figure-grid.two-up {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .project-hero .hero-body {
    padding: 3.2rem 1rem 2.4rem;
  }

  .section {
    padding: 2.5rem 1rem;
  }

  .figure-grid {
    grid-template-columns: 1fr;
  }

  .publication-title {
    font-size: 2.45rem;
  }

  .subtitle-line {
    font-size: 1.25rem;
  }

  .project-button {
    justify-content: center;
    width: 100%;
  }
}