/* Page-specific polish for Lane Switch Gaussian Splatting project page.
   Intentionally scoped and minimal to avoid affecting the rest of the site. */

:root {
  /* Light (Apple-like) palette */
  --ls-text: hsl(0, 0%, 10%);
  --ls-muted: hsl(0, 0%, 38%);
  --ls-border: hsl(0, 0%, 90%);
  /* Matches existing accent used in static/css/index.css */
  --ls-accent: hsl(204, 86%, 53%);

  /* Figure accent helpers */
  --ls-red: #d94a4a;
  --ls-blue: #2b6cb0;
}

body {
  color: var(--ls-text);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.text-red {
  color: var(--ls-red);
}

.text-blue {
  color: var(--ls-blue);
}

/* Hero/header spacing */
.hero .hero-body {
  padding-top: 4rem;
  padding-bottom: 3.5rem;
}

@media (max-width: 768px) {
  .hero .hero-body {
    padding-top: 2.5rem;
    padding-bottom: 2.25rem;
  }
}

/* Title typography */
.publication-title {
  max-width: 44ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.publication-title-main {
  font-size: clamp(2.2rem, 4.6vw, 3.8rem);
  font-weight: 750;
  color: hsl(0, 0%, 12%);
}

@media (min-width: 1024px) {
  .publication-title-main {
    white-space: nowrap;
  }
}

.publication-title-sub {
  max-width: 56ch;
  font-size: clamp(1.1rem, 2.0vw, 1.7rem);
  font-weight: 500;
  color: var(--ls-muted);
  letter-spacing: -0.01em;
  line-height: 1.25;
}

/* Authors/affiliations */
.publication-authors {
  margin-top: 1rem;
  margin-bottom: 0.25rem;
  color: var(--ls-muted);
}

.publication-authors .author-block {
  margin-right: 0.15rem;
  white-space: nowrap;
}

.publication-authors a {
  color: var(--ls-accent) !important;
  font-weight: 600;
}

.publication-authors sup {
  font-size: 0.8em;
  vertical-align: super;
}

.eql-cntrb {
  color: var(--ls-muted);
}

/* Buttons */
.publication-links {
  margin-top: 1.6rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.9rem;
  row-gap: 0.75rem;
  flex-wrap: wrap;
}

.publication-links .link-block {
  display: inline-flex;
}

.publication-links .button {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.publication-links .button.is-dark {
  background-color: transparent;
  color: hsl(0, 0%, 12%);
  border: 1px solid var(--ls-border);
  box-shadow: none;
  padding-left: 1.15rem;
  padding-right: 1.15rem;
}

.publication-links .button.is-dark:hover {
  background-color: hsl(0, 0%, 96%);
  border-color: hsl(0, 0%, 84%);
}

.publication-links .button.is-dark:focus {
  box-shadow: none;
}

.publication-links .button.is-dark .icon {
  color: hsl(0, 0%, 12%);
}

/* Section headings + content rhythm */
.section .title,
.hero .title {
  letter-spacing: -0.01em;
}

.content {
  color: var(--ls-text);
}

.content.has-text-justified {
  line-height: 1.75;
}

/* Code blocks / pre areas */
pre,
pre code {
  border-radius: 12px;
}

#jsonfile pre {
  border: 1px solid var(--ls-border);
}

/* Section rhythm - unified vertical spacing */
#demos,
.hero.teaser,
.hero.is-small {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

@media (max-width: 768px) {
  #demos,
  .hero.teaser,
  .hero.is-small {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
}

/* Demo showcase */
.demo-subtitle {
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
  color: var(--ls-muted);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.abstract-text {
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  line-height: 1.75;
}

@media (min-width: 1024px) {
  #demos .container.is-max-desktop {
    max-width: 1120px;
  }
}

.demo-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid hsl(0, 0%, 88%);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.demo-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: hsl(0, 0%, 35%);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 120ms ease, color 120ms ease;
}

.demo-tab.is-active {
  background: hsl(0, 0%, 96%);
  color: hsl(0, 0%, 12%);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.demo-tab:hover {
  background: hsl(0, 0%, 98%);
  color: hsl(0, 0%, 16%);
}

.demo-player {
  margin-top: 1rem;
  border-radius: 22px;
  overflow: hidden;
  background: #000;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  --demo-scale: 1;
}

.demo-bg {
  position: absolute;
  inset: -20px;
  background-size: cover;
  background-position: center;
  filter: blur(24px);
  transform: scale(1.08);
  opacity: 0.9;
}

.demo-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
}

.demo-player .demo-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: contain;
  position: relative;
  z-index: 1;
  transform: scale(var(--demo-scale));
  transform-origin: center;
}