:root {
  --bg: #f3f7fb;
  --bg-soft: #eef4f9;
  --surface: #ffffff;
  --text: #0f2236;
  --muted: #56697c;
  --line: #d6e1ec;
  --accent: #0f8b8d;
  --accent-strong: #0a6c6d;
  --accent-warm: #d97706;
  --hero-deep: #10263f;
  --hero-mid: #1b4665;
  --hero-ink: #1f5c73;
  --shadow-soft: 0 10px 28px rgba(16, 38, 63, 0.08);
  --shadow-card: 0 16px 36px rgba(16, 38, 63, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: clip;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: 'Noto Sans', sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at -10% -20%, rgba(15, 139, 141, 0.1), transparent 50%),
    radial-gradient(1000px 520px at 110% -30%, rgba(217, 119, 6, 0.08), transparent 50%),
    linear-gradient(180deg, #f9fbfd 0%, var(--bg) 55%, #f6fbff 100%);
}

a {
  color: var(--accent-strong);
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent);
}

/* Hero */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(130deg, var(--hero-deep) 0%, var(--hero-mid) 52%, var(--hero-ink) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 20%, rgba(255, 255, 255, 0.2), transparent 34%),
    radial-gradient(circle at 84% 18%, rgba(255, 255, 255, 0.13), transparent 32%),
    repeating-linear-gradient(
      -32deg,
      rgba(255, 255, 255, 0.055) 0,
      rgba(255, 255, 255, 0.055) 1px,
      transparent 1px,
      transparent 16px
    );
  z-index: -1;
}

.hero .hero-body {
  padding-top: 3.4rem !important;
  padding-bottom: 2.5rem !important;
}

.publication-title {
  font-family: 'Google Sans', sans-serif;
  color: #f8fcff;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

h1.publication-title {
  font-size: clamp(2rem, 4.8vw, 3.6rem) !important;
  font-weight: 800;
  color: #ffe39a;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.32);
}

h2.publication-title {
  margin-top: 0.35rem;
  margin-bottom: 1.15rem !important;
  font-size: clamp(1.25rem, 2.9vw, 2.3rem) !important;
  line-height: 1.18;
  font-weight: 700;
  color: rgba(241, 250, 255, 0.96);
}

.publication-authors {
  font-family: 'Google Sans', sans-serif;
  color: rgba(238, 248, 255, 0.92);
}

.publication-authors a {
  color: #f7fbff !important;
  text-shadow: none;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.publication-authors a:hover {
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.5);
}

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

/* Buttons */
.link-block a {
  margin-top: 6px;
  margin-bottom: 6px;
}

.link-block .button.is-dark {
  background: rgba(255, 255, 255, 0.93) !important;
  color: #13283c !important;
  border: 1px solid rgba(14, 43, 65, 0.12);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.link-block .button.is-dark:hover {
  transform: translateY(-2px);
  background: #ffffff !important;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
}

/* Sections */
.section {
  padding-top: 2.6rem;
  padding-bottom: 2.6rem;
}

.section > .container {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(252, 254, 255, 0.98) 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.15rem, 2vw, 2rem) clamp(1rem, 2.2vw, 2rem);
  box-shadow: var(--shadow-soft);
  animation: fade-up 0.45s ease both;
}

.section:nth-of-type(odd) > .container {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 250, 254, 0.97) 100%);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.title {
  color: #10263a;
  letter-spacing: -0.015em;
}

.title.is-3 {
  font-size: clamp(1.45rem, 2.25vw, 2rem) !important;
  font-weight: 760;
}

.title.is-4 {
  font-size: clamp(1.15rem, 1.65vw, 1.45rem) !important;
  font-weight: 740;
}

.content {
  color: var(--muted);
  line-height: 1.78;
}

.content b,
.content strong {
  color: #12293f;
}

/* Teaser + generic media */
#teaser,
video {
  border-radius: 12px;
}

#teaser {
  width: 100%;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

img {
  border-radius: 10px;
}

figure img {
  border: 1px solid var(--line);
  box-shadow: 0 9px 22px rgba(16, 38, 63, 0.08);
}

/* Standalone centered message between sections */
.columns.is-centered.has-text-centered > h2.title.is-4 {
  padding: 0.6rem 1rem;
  border-radius: 12px;
  color: #1a334b;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  box-shadow: 0 8px 16px rgba(16, 38, 63, 0.05);
}

/* Result grid cards (overrides inline style block in index.html) */
body .video-container {
  display: grid !important;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  justify-content: initial !important;
  gap: 12px !important;
}

body .video-item {
  width: auto !important;
  min-width: 0;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 6px 14px rgba(16, 38, 63, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

body .video-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: #b7cfdf;
}

body .video-item video {
  width: 100% !important;
  height: auto;
  border-radius: 9px;
  background: #071a27;
}

body .caption {
  margin-top: 8px !important;
  color: #4d6175 !important;
  font-size: 12.5px !important;
  line-height: 1.35;
}

/* Adaptive section */
body .keyframe-grid-video {
  border-radius: 12px !important;
  border: 1px solid var(--line);
  box-shadow: 0 8px 18px rgba(16, 38, 63, 0.08);
}

body .keyframe-grid-caption {
  color: #1d3852 !important;
  letter-spacing: 0.01em;
}

body .keyframe-grid-slider {
  accent-color: var(--accent);
}

/* Comparison module */
.select {
  margin: 0 0.35rem 0.4rem 0.35rem;
}

.select select {
  border: 1px solid #bfd1e0;
  border-radius: 10px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  color: #16324a;
  font-weight: 600;
  box-shadow: 0 3px 9px rgba(16, 38, 63, 0.06);
}

.select:not(.is-multiple):not(.is-loading)::after {
  border-color: var(--accent-strong) !important;
}

#comparison-menu-video-rdvla,
#comparison-menu-video-baseline {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #0d1822;
  box-shadow: 0 12px 24px rgba(10, 38, 63, 0.1);
}

#comparison-menu-video-rdvla:hover,
#comparison-menu-video-baseline:hover {
  box-shadow: 0 16px 30px rgba(10, 38, 63, 0.14);
}

/* BibTeX */
#BibTeX pre,
#BibTeX code {
  border-radius: 12px;
}

#BibTeX pre {
  background: #111f2e;
  border: 1px solid #243a50;
  box-shadow: 0 12px 24px rgba(6, 18, 29, 0.35);
}

#BibTeX code {
  color: #d5e8fb;
}

/* Footer */
.footer {
  width: 100%;
  margin: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  margin-top: auto !important;
  background: linear-gradient(135deg, #12263b 0%, #163651 100%);
  color: rgba(235, 246, 255, 0.9);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.footer .container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.footer a {
  color: #7fd7d8;
}

.footer a:hover {
  color: #ace8e9;
}

.footer .icon-link {
  font-size: 25px;
  color: #f3f9ff;
}

/* Small helpers retained */
.dnerf,
.dperact,
.drobopoint {
  font-variant: small-caps;
}

.justify {
  text-align: justify;
}

.dropdown-item {
  white-space: pre-wrap;
}

/* Responsive */
@media (max-width: 1220px) {
  body .video-container {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .hero .hero-body {
    padding-top: 2.4rem !important;
    padding-bottom: 2rem !important;
  }

  .section > .container {
    border-radius: 14px;
    padding: 1rem 0.85rem;
  }

  body .video-container {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .link-block .button.is-dark {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  body .video-container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body .caption {
    font-size: 12px !important;
  }

  .select {
    display: block;
    margin: 0.25rem 0;
  }

  .select select {
    width: 100%;
  }
}