:root {
  --text: #2f2f2f;
  --muted: #666;
  --blue: #3276dc;
  --soft: #f6f6f6;
  --line: #e6e6e6;
  --max: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--blue); }
img { display: block; max-width: 100%; height: auto; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.narrow { max-width: 900px; }

.hero { padding: 58px 0 30px; text-align: center; }
.hero-content { max-width: 1180px; }
h1 {
  max-width: 1080px;
  margin: 0 auto 24px;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.035em;
  font-weight: 700;
}
.authors { color: var(--blue); font-size: 1.18rem; line-height: 1.9; }
.authors span { white-space: nowrap; }
sup { font-size: .68em; vertical-align: super; }
.affiliations { margin: 8px auto 20px; font-size: 1rem; line-height: 1.45; }
.affiliations p { margin: 3px 0; }
.links { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 108px;
  justify-content: center;
  padding: 8px 18px;
  color: white;
  background: #363636;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: .94rem;
  transition: background .15s ease, transform .15s ease;
}
.pill:hover, .pill:focus-visible { background: #111; transform: translateY(-1px); }

.teaser { padding: 30px 0 55px; }
figure { margin: 0; }
.teaser img { width: 100%; }
figcaption { max-width: 900px; margin: 15px auto 0; color: var(--muted); text-align: center; font-size: .96rem; }

.section { padding: 62px 0; }
.section-soft { background: var(--soft); }
h2 { margin: 0 0 24px; text-align: center; font-size: 2rem; line-height: 1.2; }
.section p { margin: 0; }
.section .narrow > p { text-align: justify; }
.method-figure { background: #fff; }
.method-crop {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.method-crop img {
  width: 100%;
  height: auto;
}
.method-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 28px; }
.method-summary h3 { margin: 0 0 8px; font-size: 1.05rem; }
.method-summary p { color: var(--muted); font-size: .95rem; }

.section-intro {
  max-width: 900px;
  margin: -8px auto 26px !important;
  color: var(--muted);
  text-align: center;
}
.lvlm-figure { margin: 0; }
.lvlm-crop {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.lvlm-crop img {
  width: 100%;
  height: auto;
}

.results { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--line); }
.results div { padding: 25px 15px; text-align: center; background: #fff; }
.results strong { display: block; margin-bottom: 4px; color: var(--blue); font-size: 2rem; line-height: 1.2; }
.results span { display: block; color: var(--muted); font-size: .88rem; line-height: 1.4; }
.result-note { margin-top: 18px !important; color: var(--muted); font-size: .9rem; text-align: center !important; }

.citation { position: relative; }
.citation pre { margin: 0; padding: 22px; overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--soft); font: .82rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; }
#copy-citation { position: absolute; right: 10px; top: 10px; padding: 5px 10px; border: 1px solid #d6d6d6; border-radius: 6px; color: #444; background: #fff; cursor: pointer; }
#copy-citation:hover, #copy-citation:focus-visible { background: #eee; }

footer { padding: 32px 0; border-top: 1px solid var(--line); color: #777; text-align: center; font-size: .8rem; }
footer p { margin: 0; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { width: min(var(--max), calc(100% - 28px)); }
  .hero { padding-top: 38px; }
  h1 { font-size: 2.45rem; }
  .authors { font-size: 1rem; }
  .affiliations { font-size: .88rem; }
  .teaser { padding-top: 20px; }
  .section { padding: 48px 0; }
  .method-crop { overflow-x: auto; }
  .method-crop img { min-width: 920px; height: auto; }
  .method-summary { grid-template-columns: 1fr; gap: 22px; }
  .lvlm-crop { overflow-x: auto; }
  .lvlm-crop img { min-width: 920px; height: auto; }
  .results { grid-template-columns: repeat(2,1fr); }
  .citation pre { padding: 50px 16px 16px; font-size: .72rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}