:root {
  --ink: #363636;
  --muted: #555;
  --link: hsl(204, 86%, 53%);
  --panel: #f5f5f5;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font: 16px/1.65 'Noto Sans', sans-serif;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.navbar {
  display: flex;
  justify-content: center;
  padding: 10px 24px 0;
}

.navbar-item {
  color: var(--ink);
  font-size: 1.55rem;
  line-height: 1;
  padding: 6px 12px;
}

.navbar-item:hover {
  color: var(--link);
  text-decoration: none;
}

main {
  width: min(960px, calc(100% - 48px));
  margin: auto;
  padding-bottom: 56px;
}

.hero {
  padding: 22px 0 34px;
  text-align: center;
}

h1, h2, h3 {
  font-family: 'Google Sans', sans-serif;
  color: var(--ink);
}

h1 {
  max-width: 900px;
  margin: 0 auto 12px;
  font-size: clamp(2rem, 4vw, 2.55rem);
  line-height: 1.2;
  font-weight: 600;
}

.subtitle {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 1.15rem;
}

.authors,
.affiliation {
  margin: 3px 0;
  font-family: 'Google Sans', sans-serif;
  font-size: 1.12rem;
}

.affiliation { color: var(--muted); }

sup { font-size: .65em; vertical-align: super; }

.buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 17px;
  border-radius: 999px;
  background: #363636;
  color: #fff;
  font-family: 'Google Sans', sans-serif;
  font-weight: 600;
  line-height: 1.35;
}

.button:hover {
  background: #555;
  color: #fff;
  text-decoration: none;
}

.button-icon { font-size: .8em; }

section { margin: 34px 0; }

h2 {
  margin: 0 0 12px;
  font-size: 1.75rem;
  line-height: 1.25;
  font-weight: 600;
}

h3 {
  margin: 9px 0 2px;
  font-size: 1.05rem;
  line-height: 1.35;
  font-weight: 400;
}

p { margin-top: 0; }

.callout {
  max-width: 1000px;
  margin: 0 auto 38px;
  padding: 16px 22px;
  border-radius: 10px;
  background: var(--panel);
  color: #333;
  font-size: 1.18rem;
  line-height: 1.55;
  text-align: left;
}

.abstract-section {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.abstract-section p { text-align: justify; }

#results > p { font-size: 1.08rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 22px;
  margin-top: 22px;
}

.grid.single {
  grid-template-columns: minmax(0, 1fr);
}

.grid.single .card p { max-width: 680px; }

.card {
  min-width: 0;
  text-align: center;
}

.media-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #f5f5f5;
}

/* Portrait footage is detected automatically by the page script. */
.media-video.is-portrait {
  aspect-ratio: 9 / 16;
  object-fit: contain;
}

.card p {
  margin: 0 auto;
  max-width: 390px;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.5;
}

pre {
  overflow-x: auto;
  margin: 0;
  padding: 20px 24px;
  border-radius: 0;
  background: var(--panel);
  color: #363636;
  font: .86rem/1.55 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: pre;
}

pre code { font: inherit; }

footer {
  padding: 28px 24px 38px;
  border-top: 1px solid #eee;
  background: #fafafa;
  color: var(--muted);
  text-align: center;
  font-size: .9rem;
}

@media (max-width: 680px) {
  main { width: min(100% - 32px, 960px); }
  .hero { padding-top: 12px; }
  h1 { font-size: 2rem; }
  .callout { padding: 15px 17px; font-size: 1.05rem; }
  .grid { grid-template-columns: 1fr; gap: 24px; }
  .abstract-section p { text-align: left; }
}