:root {
  --green: #89BD63;
  --dark: #172033;
  --text: #334155;
  --muted: #64748b;
  --border: #e5e7eb;
  --white: #ffffff;
  --blue: #2563eb;

    --black: #000000;


  --purple: #7c3aed;

  --orange: #ea580c;
   --red: #dc2626;
}


* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #ffffff;
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.65;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 70px 24px;
  background: #ffffff;
}

.hero {
  text-align: center;
  max-width: 880px;
  margin: 0 auto 120px auto;
  background: #ffffff;
}

.venue-pill {
  display: inline-block;
  padding: 8px 18px;
  margin-bottom: 22px;
  border-radius: 999px;
  background: #ecfdf5;
  color: var(--green);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0 auto 28px auto;
  max-width: 850px;
  color: var(--dark);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  line-height: 1.15;
  font-weight: 850;
  letter-spacing: -0.04em;
}

.title-blue {
  color: var(--green);
}

.authors {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  margin: 0 0 12px 0;
  color: var(--text);
  font-weight: 700;
}

.authors a,
.authors span {
  color: var(--text);
  text-decoration: none;
}

.authors a:hover {
  color: var(--green);
}

.authors sup {
  color: var(--green);
  font-weight: 800;
  margin-left: -16px;
}

.affiliations {
  max-width: 850px;
  margin: 0 auto 28px auto;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 22px 0 42px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.button.primary {
  background: var(--green);
  border-color: var(--green);
  color: #ffffff;
}

.button.tertiary {
  background: var(--blue);
  border-color: var(--blue);
  color: #ffffff;
}


.button.red {
  background: var(--red);
  border-color: var(--red);
  color: #ffffff;
}

.button.black {
  background: var(--black);
  border-color: var(--black);
  color: #ffffff;
}

.button.orange {
  background: var(--orange);
  border-color: var(--orange);
  color: #ffffff;
}


.button.purple {
  background: var(--purple);
  border-color: var(--purple);
  color: #ffffff;
}


.tldr {
  max-width: 780px;
  margin: 0 auto;
  padding: 24px 32px;
  border: 1px solid var(--border);
  border-left: 5px solid var(--green);
  border-radius: 14px;
  background: #ffffff;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.75;
  box-shadow: none;
}

.tldr strong {
  color: var(--green);
}

section {
  margin-bottom: 64px;
  background: #ffffff;
}

h2 {
  margin: 0 0 22px 0;
  color: var(--dark);
  font-size: 1.8rem;
  line-height: 1.25;
  font-weight: 850;
}

h3 {
  margin: 0 0 10px 0;
  color: var(--dark);
  font-size: 1.15rem;
}

p {
  margin: 0 0 18px 0;
  font-size: 1.02rem;
}

.teaser {
  display: block;
  width: 100%;
  margin: 24px auto 12px auto;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: none;
}

.caption {
  max-width: 780px;
  margin: 14px auto 0 auto;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 24px;
}

.card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: none;
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

pre {
  margin: 0;
  padding: 20px;
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: #1e293b;
  font-size: 0.92rem;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

@media (max-width: 800px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    margin-bottom: 80px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 42px 18px;
  }

  .hero h1 {
    font-size: 2.15rem;
  }

  .authors {
    gap: 10px 18px;
  }

  .authors sup {
    margin-left: -12px;
  }

  .affiliations {
    font-size: 0.88rem;
  }

  .buttons {
    gap: 10px;
  }

  .button {
    padding: 11px 18px;
  }

  .tldr {
    padding: 20px 22px;
    text-align: left;
  }

  h2 {
    font-size: 1.55rem;
  }
}

.citation-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.citation-header h2 {
  margin-bottom: 0;
}

.copy-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  color: var(--green-dark);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.copy-button:hover {
  transform: translateY(-1px);
  background: var(--green-light);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}

.copy-button.copied {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

@media (max-width: 640px) {
  .citation-header {
    align-items: flex-start;
    flex-direction: column;
  }
}