:root {
  --dg-ink: #171717;
  --dg-muted: #5f6368;
  --dg-line: #e5e2da;
  --dg-paper: #fbfaf7;
  --dg-warm: #f4efe5;
  --dg-blue: #315f8c;
  --dg-orange: #b65f2a;
  --dg-dgcol: #e5f0ff;
  --dg-dgcol-strong: #b9d7ff;
}

html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans", sans-serif;
  color: var(--dg-ink);
  background: linear-gradient(180deg, #fff 0%, var(--dg-paper) 42%, #fff 100%);
}

.navbar {
  border-bottom: 1px solid var(--dg-line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 30;
}

.navbar-brand {
  position: relative;
  z-index: 2;
}

.main-navbar-links {
  justify-content: center;
}

@media screen and (min-width: 1024px) {
  #main-navbar {
    position: absolute;
    left: 50%;
    top: 0;
    height: 100%;
    width: auto;
    transform: translateX(-50%);
  }

  #main-navbar .main-navbar-links {
    flex-grow: 0;
    margin: 0;
  }
}

.navbar-item strong {
  font-family: "Google Sans", sans-serif;
  letter-spacing: -0.02em;
}

.publication-title {
  font-family: "Google Sans", sans-serif;
  letter-spacing: -0.045em;
  line-height: 1.04;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.publication-authors {
  font-family: "Google Sans", sans-serif;
  margin-top: 0.9rem;
}

.publication-authors.affiliations {
  color: var(--dg-muted);
  font-size: 1rem !important;
  line-height: 1.7;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.author-block { display: inline-block; }

.corresponding-note {
  color: var(--dg-muted);
  font-family: "Google Sans", sans-serif;
  margin-top: 0.35rem;
}

.link-block a { margin: 0.25rem; }


.overview-video-section { padding-top: 1rem; }
.teaser .hero-body { padding-top: 0; }
.teaser-caption {
  margin-top: 1rem;
  color: #2b2f33;
  line-height: 1.45;
}

.figure-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--dg-line);
  box-shadow: 0 18px 42px rgba(31, 35, 40, 0.08);
  background: transparent;
}


.overview-video-wrapper {
  margin: 0 auto 1.6rem;
  max-width: 100%;
}

.overview-video {
  background: #0f172a;
  border-radius: 18px;
  box-shadow: 0 22px 55px rgba(15, 23, 42, 0.16);
  display: block;
  width: 100%;
}

.teaser-img {
  max-height: 720px;
  object-fit: contain;
}

.video-placeholder {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  border-radius: 18px;
  border: 1px solid var(--dg-line);
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 18%, rgba(182, 95, 42, 0.18), transparent 30%),
    radial-gradient(circle at 82% 72%, rgba(49, 95, 140, 0.20), transparent 34%),
    linear-gradient(135deg, #f9f5ed, #eef4f7);
  color: var(--dg-ink);
}

.video-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(23, 23, 23, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(23, 23, 23, 0.055) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
}

.video-placeholder > * { position: relative; }
.video-placeholder p {
  margin-top: 1rem;
  margin-bottom: 0.2rem;
  font-family: "Google Sans", sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
}
.video-placeholder span { color: var(--dg-muted); }
.play-button {
  width: 5.2rem;
  height: 5.2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  background: var(--dg-ink);
  box-shadow: 0 18px 35px rgba(23, 23, 23, 0.22);
}

.abstract-section { background: #fff; }
.method-section { background: var(--dg-warm); }
.results-section { background: linear-gradient(180deg, #fff 0%, #fbfaf7 100%); }
.citation-section { background: var(--dg-warm); }

.method-stack {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  margin-top: 1.5rem;
}

.method-card-vertical {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 1rem 1.25rem;
  border: 1px solid var(--dg-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 16px 36px rgba(31, 35, 40, 0.06);
  padding: 1.3rem;
}

.method-number {
  grid-row: span 2;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--dg-ink);
  font-family: "Google Sans", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
}

.method-copy p { color: #34383d; line-height: 1.75; }
.figure-card { margin-top: 0.25rem; }
.figure-card figcaption {
  color: var(--dg-muted);
  font-size: 0.95rem;
  text-align: center;
  margin-top: 0.8rem;
}

.metric-row { margin-top: 1rem; }
.metric-card {
  padding: 1.15rem 1rem;
  text-align: center;
  height: 100%;
  border: 1px solid var(--dg-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 16px 36px rgba(31, 35, 40, 0.06);
}
.metric-card span {
  display: block;
  color: var(--dg-muted);
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}
.metric-card strong {
  display: block;
  font-family: "Google Sans", sans-serif;
  font-size: 2rem;
  color: var(--dg-blue);
  letter-spacing: -0.04em;
}
.metric-card p {
  margin-top: 0.25rem;
  color: var(--dg-muted);
  font-size: 0.85rem;
}

.result-table {
  margin-top: 1.4rem;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(31, 35, 40, 0.06);
}
.result-table th {
  background: var(--dg-ink);
  color: white !important;
}
.result-table th.dg-col {
  background: var(--dg-blue) !important;
}
.result-table td.dg-col {
  background: var(--dg-dgcol) !important;
  color: #102942;
  font-weight: 700;
  box-shadow: inset 5px 0 0 var(--dg-dgcol-strong);
}
.qualitative { margin-top: 1.5rem; }

pre {
  border-radius: 14px;
  background: #171717;
  color: #f6f1e7;
  white-space: pre-wrap;
  padding: 1.2rem;
}

.footer {
  border-top: 1px solid var(--dg-line);
  background: #fff;
}
.footer a { font-weight: 600; }
.template-credit { color: var(--dg-muted); }

@media screen and (max-width: 768px) {
  .publication-title { font-size: 2.15rem !important; }
  .video-placeholder { min-height: 260px; }
  .method-card-vertical { grid-template-columns: 1fr; }
  .method-number { grid-row: auto; }
}