:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #4f5d78;
  --accent: #2f6feb;
  --border: #d5deea;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.75;
}

.container {
  width: min(1000px, 92%);
  margin: 0 auto;
}

.hero {
  border-bottom: 1px solid var(--border);
  padding: 56px 0 36px;
  background: radial-gradient(circle at top, #dbe9ff 0%, #f3f6fb 60%);
}

h1 {
  margin: 0 auto;
  max-width: 42ch;
  text-align: center;
  font-size: clamp(1.6rem, 2.7vw, 2.45rem);
  line-height: 1.26;
}

.authors {
  margin: 14px auto 0;
  max-width: 900px;
  text-align: center;
  color: #243353;
  font-size: 1rem;
  line-height: 1.6;
}

.subtitle {
  margin: 8px 0 0;
  font-size: 1.2rem;
  color: var(--muted);
}

.tagline {
  margin: 18px auto 0;
  max-width: 760px;
  font-size: 1.06rem;
  text-align: center;
}

.badge-links {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: center;
}

.badge-links a {
  display: inline-flex;
  line-height: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 0;
  background: #ffffff;
  box-shadow: none;
}

.badge-links img {
  height: 28px;
  border-radius: 0;
  display: block;
}

.badge-links a:hover {
  transform: none;
  filter: brightness(0.98);
}

main {
  padding: 28px 0 40px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 26px;
  margin-bottom: 18px;
  box-shadow: 0 4px 18px rgba(23, 32, 51, 0.05);
}

.card h2,
.card h3 {
  margin-top: 0;
  line-height: 1.3;
}

.card p {
  margin-top: 0;
  font-size: 1.05rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.figure-placeholder {
  border: 1px dashed var(--border);
  color: var(--muted);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
}

.paper-figure {
  margin: 0;
}

.paper-figure img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: block;
  background: #f7f9ff;
}

.paper-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

pre {
  margin: 0;
  overflow-x: auto;
  background: #f7f9ff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
  font-size: 0.92rem;
  line-height: 1.5;
}

code {
  background: #edf3ff;
  padding: 2px 6px;
  border-radius: 6px;
}

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

.footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  padding: 18px 0;
  background: #eef3fb;
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }

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

  .badge-links img {
    height: 26px;
  }

  h1 {
    max-width: 100%;
  }

  .card {
    padding: 18px 18px;
  }

  body {
    font-size: 16px;
  }

  .authors {
    font-size: 0.95rem;
  }
}