:root {
  --fdsm-bg: #07111f;
  --fdsm-surface: #0d1a2e;
  --fdsm-surface-soft: #f4f7fb;
  --fdsm-card: rgba(255, 255, 255, 0.08);
  --fdsm-card-border: rgba(255, 255, 255, 0.14);
  --fdsm-text: #102038;
  --fdsm-text-soft: #5f6e85;
  --fdsm-white: #f8fbff;
  --fdsm-accent: #5ad0ff;
  --fdsm-accent-strong: #1fb0ff;
  --fdsm-accent-warm: #9bf0cf;
  --fdsm-shadow: 0 24px 70px rgba(5, 18, 36, 0.14);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans', sans-serif;
  color: var(--fdsm-text);
  background: #ffffff;
}

a {
  color: inherit;
}

.site-navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(7, 17, 31, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-navbar .navbar-item,
.site-navbar .brand-mark,
.site-navbar .navbar-burger {
  color: var(--fdsm-white);
}

.site-navbar .navbar-item:hover,
.site-navbar .brand-mark:hover {
  color: var(--fdsm-accent);
  background: transparent;
}

.brand-mark {
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero-fdsm {
  background:
    radial-gradient(circle at top left, rgba(90, 208, 255, 0.2), transparent 34%),
    radial-gradient(circle at top right, rgba(155, 240, 207, 0.14), transparent 28%),
    linear-gradient(180deg, #081223 0%, #0b1630 48%, #0f1d3b 100%);
  color: var(--fdsm-white);
}

.hero-fdsm .hero-body {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.hero-kicker,
.section-eyebrow {
  font-family: 'Google Sans', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-kicker {
  color: var(--fdsm-accent-warm);
  margin-bottom: 1rem;
}

.section-eyebrow {
  color: var(--fdsm-accent-strong);
  margin-bottom: 0.85rem;
}

.publication-title,
.section-title {
  font-family: 'Google Sans', sans-serif;
}

.publication-title {
  color: var(--fdsm-white);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.hero-tagline {
  max-width: 860px;
  margin: 1.25rem auto 1.75rem;
  font-size: 1.2rem;
  line-height: 1.65;
  color: rgba(248, 251, 255, 0.82);
}

.publication-authors {
  font-family: 'Google Sans', sans-serif;
  margin-bottom: 0.65rem;
}

.publication-authors a {
  color: var(--fdsm-accent) !important;
}

.publication-affiliations {
  color: rgba(248, 251, 255, 0.72);
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.author-block {
  display: inline-block;
  margin: 0.2rem 0.35rem;
}

.publication-links {
  margin-top: 1.35rem;
}

.link-block a {
  margin: 0.35rem 0.3rem;
}

.link-block .button.is-dark {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--fdsm-white);
}

.link-block .button.is-dark:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(90, 208, 255, 0.35);
}

.hero-figure-wrap {
  margin-top: 2.5rem;
}

.hero-figure,
.paper-figure,
.paper-image {
  width: 100%;
  display: block;
  border: 0;
}

.hero-figure {
  min-height: 480px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 28px;
  box-shadow: 0 35px 90px rgba(1, 9, 20, 0.45);
}

.highlight-grid {
  margin-top: 2rem;
}

.highlight-card,
.method-card,
.stat-card {
  height: 100%;
  border-radius: 22px;
}

.highlight-card {
  padding: 1.4rem;
  background: var(--fdsm-card);
  border: 1px solid var(--fdsm-card-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.highlight-label {
  color: var(--fdsm-accent-warm);
  font-family: 'Google Sans', sans-serif;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.7rem;
}

.highlight-copy {
  color: rgba(248, 251, 255, 0.88);
  line-height: 1.7;
}

.section-soft {
  background: var(--fdsm-surface-soft);
}

.lead-content p,
.content p {
  line-height: 1.8;
}

.section-split {
  gap: 1rem;
}

.figure-shell {
  padding: 1rem;
  background: #ffffff;
  border-radius: 24px;
  box-shadow: var(--fdsm-shadow);
}

.large-shell {
  padding: 1.1rem;
}

.compact-shell,
.wide-shell {
  height: 100%;
}

.paper-figure {
  min-height: 360px;
  border-radius: 16px;
}

.paper-image {
  border-radius: 16px;
}

.method-grid,
.results-grid,
.visual-pair-grid,
.stat-strip {
  margin-top: 1rem;
}

.results-panel {
  margin-top: 1.5rem;
  padding: 1rem;
  background: #ffffff;
  border-radius: 24px;
  box-shadow: var(--fdsm-shadow);
}

.results-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.method-card {
  padding: 1.5rem;
  background: linear-gradient(180deg, #ffffff 0%, #f6f9fd 100%);
  border: 1px solid #dde6f2;
  box-shadow: var(--fdsm-shadow);
}

.method-card .title {
  margin-bottom: 0.8rem;
}

.stat-card {
  padding: 1.35rem 1.2rem;
  background: linear-gradient(180deg, #0b1730 0%, #132447 100%);
  color: var(--fdsm-white);
  box-shadow: 0 22px 50px rgba(5, 18, 36, 0.25);
}

.stat-value {
  font-family: 'Google Sans', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--fdsm-accent-warm);
  line-height: 1.05;
}

.stat-label {
  margin-top: 0.75rem;
  font-weight: 700;
}

.stat-note {
  margin-top: 0.35rem;
  color: rgba(248, 251, 255, 0.7);
  font-size: 0.95rem;
}

.figure-caption {
  margin-top: 0.9rem;
  color: var(--fdsm-text-soft);
  line-height: 1.7;
}

.bibtex-block {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: #0b1730;
  color: #ebf6ff;
  border-radius: 20px;
  overflow-x: auto;
}

.site-footer {
  background: #091321;
}

.site-footer .icon-link {
  font-size: 25px;
  color: var(--fdsm-white);
}

.site-footer .icon-link:hover {
  color: var(--fdsm-accent);
}

.site-footer .content,
.site-footer a {
  color: rgba(248, 251, 255, 0.76);
}

@media screen and (max-width: 1023px) {
  .site-navbar .navbar-menu {
    background: rgba(7, 17, 31, 0.96);
  }

  .hero-fdsm .hero-body {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .hero-figure,
  .paper-figure {
    min-height: 300px;
  }
}

@media screen and (max-width: 768px) {
  .publication-title {
    font-size: 2.2rem !important;
  }

  .hero-tagline {
    font-size: 1.02rem;
  }

  .hero-figure,
  .paper-figure {
    min-height: 220px;
  }

  .figure-shell,
  .highlight-card,
  .method-card,
  .stat-card,
  .bibtex-block {
    border-radius: 18px;
  }
}