body {
  font-family: 'Noto Sans', sans-serif;
  color: #222;
  background: #fff;
  overflow-x: hidden;
}

a { color: #2f8f5b; }
a:hover { text-decoration: underline; }

.navbar {
  box-shadow: 0 1px 4px rgba(0,0,0,0.10);
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
}
.navbar-item { font-size: 0.93rem; font-weight: 500; color: #333; }
.navbar-item:hover { color: #2f8f5b !important; background: transparent !important; }

.sec-white { background: #fff; }
.sec-gray { background: #f6f8fb; }
.section { padding: 3rem 1.5rem; }

.publication-title {
  font-family: 'Google Sans', sans-serif;
  font-size: 2.15rem;
  line-height: 1.24;
  color: #111;
  max-width: 100%;
}
.publication-authors {
  font-family: 'Google Sans', sans-serif;
  margin-top: 0.5rem;
}
.publication-authors a { color: #2f8f5b !important; }
.publication-authors a:hover { text-decoration: underline; }
.author-block { display: inline-block; }
.author-affiliation {
  max-width: 760px;
  margin: 0.55rem auto 0;
  color: #5b6472;
  font-size: 0.93rem;
  line-height: 1.5;
}

.venue-badge {
  display: inline-block;
  padding: 0.34rem 0.72rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  color: #21643f;
  background: #e8f6ee;
  border: 1px solid #bfe3ce;
}
.publication-links .button {
  border: 0;
  box-shadow: 0 3px 10px rgba(0,0,0,0.16);
}
.publication-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
}
.publication-links .link-block { display: inline-flex; }
.publication-links .button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}
.publication-video-block {
  max-width: 720px;
  width: 100%;
  margin: 1.1rem auto 0;
  border-radius: 12px;
  overflow: hidden;
  background: #111;
  box-shadow: 0 10px 28px rgba(24,35,56,0.16);
}
.publication-video-block video {
  display: block;
  width: 100%;
}

.sec-heading {
  font-family: 'Google Sans', sans-serif;
  font-size: 1.65rem;
  font-weight: 800;
  text-align: center;
  color: #111;
  margin-bottom: 1.35rem;
}
.paper-copy {
  font-size: 0.96rem;
  line-height: 1.75;
  color: #333;
}

.fig-wrap {
  background: #fff;
  border: 1px solid #e1e6ee;
  border-radius: 12px;
  padding: 0.9rem;
  box-shadow: 0 8px 24px rgba(24,35,56,0.07);
}
.fig-full img {
  display: block;
  width: 100%;
  border-radius: 8px;
  background: #fff;
}
.fig-cap {
  max-width: 850px;
  margin: 0.75rem auto 0.2rem;
  font-size: 0.85rem;
  color: #5f6673;
  line-height: 1.55;
  text-align: center;
}

.fmp-highlight-shell {
  margin: 2.2rem auto 0;
  padding: 1.45rem;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(47,143,91,0.12), rgba(42,111,181,0.07)),
    #fff;
  border: 1px solid #e5e8ef;
  box-shadow: 0 10px 30px rgba(24,35,56,0.08);
}
.highlight-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: 'Google Sans', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #2f8f5b;
  margin-bottom: 0.45rem;
}
.fmp-highlight-shell h3,
.method-copy h3 {
  font-family: 'Google Sans', sans-serif;
  font-size: 1.45rem;
  line-height: 1.22;
  font-weight: 800;
  color: #111;
  margin: 0 0 0.55rem;
}
.highlight-lead {
  max-width: 760px;
  color: #4b5563;
  line-height: 1.65;
  margin: 0 0 1.2rem;
  font-size: 0.96rem;
}
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}
.highlight-card {
  min-height: 150px;
  padding: 1rem;
  border-radius: 12px;
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(214,220,232,0.9);
  box-shadow: 0 4px 14px rgba(20,30,50,0.055);
}
.highlight-card.primary {
  color: #fff;
  background: linear-gradient(135deg, #1f6f45, #42a36d);
  border-color: transparent;
}
.highlight-card.primary p,
.highlight-card.primary .highlight-icon { color: rgba(255,255,255,0.88); }
.highlight-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(47,143,91,0.12);
  color: #2f8f5b;
  margin-bottom: 0.7rem;
}
.highlight-card strong {
  display: block;
  font-family: 'Google Sans', sans-serif;
  font-size: 1.35rem;
  line-height: 1.15;
  margin-bottom: 0.35rem;
}
.highlight-card p {
  margin: 0;
  color: #596273;
  font-size: 0.8rem;
  line-height: 1.45;
}

.method-story {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.35fr);
  gap: 1rem;
  align-items: stretch;
  margin-bottom: 1.4rem;
}
.method-copy,
.method-step,
.method-visual-card,
.chart-card,
.video-card {
  background: #fff;
  border: 1px solid #e2e6ee;
  border-radius: 12px;
  box-shadow: 0 6px 22px rgba(24,35,56,0.065);
}
.method-copy { padding: 1.35rem; }
.method-copy p {
  color: #4b5563;
  line-height: 1.65;
  font-size: 0.94rem;
  margin-bottom: 1rem;
}
.formula-pill {
  display: inline-block;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  background: #f7f8fb;
  border: 1px solid #e1e5ef;
  color: #222;
  font-style: italic;
  font-size: 0.9rem;
}
.method-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}
.method-step {
  padding: 1rem;
  position: relative;
  overflow: hidden;
}
.method-step::after {
  content: "";
  position: absolute;
  inset: auto -25% -45% 35%;
  height: 90px;
  background: radial-gradient(circle, rgba(47,143,91,0.11), transparent 65%);
}
.method-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #2f8f5b;
  color: #fff;
  font-weight: 800;
  font-size: 0.82rem;
  margin-bottom: 0.75rem;
}
.method-step h4 {
  font-family: 'Google Sans', sans-serif;
  font-size: 0.96rem;
  font-weight: 800;
  margin: 0 0 0.4rem;
  color: #111;
}
.method-step p {
  font-size: 0.8rem;
  line-height: 1.48;
  color: #596273;
  margin: 0;
}
.method-visual-grid,
.chart-grid,
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.method-visual-card {
  padding: 0.85rem;
  text-align: center;
}
.method-visual-card img {
  display: block;
  width: 100%;
  border-radius: 8px;
  background: #fff;
}
.compact-visual img {
  max-height: 255px;
  object-fit: contain;
}
.method-visual-card p {
  margin: 0.75rem auto 0.2rem;
  font-size: 0.84rem;
  color: #5f6673;
  line-height: 1.55;
}

.chart-card {
  padding: 1rem;
  margin-top: 1rem;
}
.chart-card h3 {
  font-family: 'Google Sans', sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  color: #111;
  margin: 0 0 0.4rem;
}
.chart-note {
  margin: 0 0 0.8rem;
  color: #5d6573;
  font-size: 0.84rem;
  line-height: 1.55;
}
.chart-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}
.chart-tab {
  border: 1px solid #d9dee8;
  background: #fff;
  color: #344054;
  border-radius: 999px;
  padding: 0.35rem 0.72rem;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
}
.chart-tab.active {
  background: #2f8f5b;
  border-color: #2f8f5b;
  color: #fff;
}
.chart-svg {
  width: 100%;
  height: auto;
  display: block;
}
.chart-axis,
.chart-grid-line {
  stroke: #d9e0ea;
  stroke-width: 1;
}
.chart-label {
  font-size: 11px;
  fill: #526071;
}
.chart-value {
  font-size: 10px;
  fill: #344054;
  font-weight: 700;
}
.bar-birrt { fill: #2f7ebc; }
.bar-irrt { fill: #8c6bb1; }
.bar-mpnet { fill: #e17c2f; }
.bar-kg { fill: #9aa5b1; }
.bar-simp { fill: #2f8f5b; }
.bar-rfk { fill: #d14c3a; }
.bar-obstacle { fill: #2f8f5b; }

.video-grid { margin-top: 1rem; }
.video-card {
  padding: 0.75rem;
  text-align: center;
}
.video-card video {
  width: 100%;
  border-radius: 8px;
  display: block;
}
.video-card p {
  margin: 0.65rem 0 0.1rem;
  font-weight: 800;
  color: #2f3947;
}

pre {
  border-radius: 10px;
  border: 1px solid #e0e5ed;
  background: #fff;
}
.footer {
  padding: 2rem 1.5rem;
  background: #fff;
  border-top: 1px solid #e3e7ef;
}

.reveal-block {
  animation: fadeUp 0.5s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 760px) {
  .container,
  .columns,
  .column {
    min-width: 0;
    max-width: 100%;
  }
  .hero-body { padding-left: 1rem; padding-right: 1rem; }
  .publication-title {
    font-size: 1.45rem;
    overflow-wrap: anywhere;
    width: calc(100vw - 2rem) !important;
    max-width: calc(100vw - 2rem) !important;
    margin-left: auto;
    margin-right: auto;
  }
  .publication-links {
    width: calc(100vw - 2rem) !important;
    max-width: calc(100vw - 2rem) !important;
    margin-left: auto;
    margin-right: auto;
  }
  .publication-links .button { max-width: calc(100vw - 2rem); }
  .publication-video-block video,
  .fig-wrap img,
  .method-visual-card img {
    max-width: 100%;
    height: auto;
  }
  .publication-video-block,
  .fig-wrap,
  .method-visual-card,
  .chart-card {
    width: calc(100vw - 2rem) !important;
    max-width: calc(100vw - 2rem) !important;
  }
  .highlight-grid,
  .method-story,
  .method-steps,
  .method-visual-grid,
  .chart-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }
}