/* Styles for the COLMAP landing page: hero, feature cards, and the interactive
   install selector. Colors are derived from pydata-sphinx-theme CSS variables so
   everything adapts automatically to light and dark mode. */

/* ------------------------------------------------------------------ Hero --- */

/* Center and enlarge the page title so it reads as a hero wordmark. The
   `.. rst-class:: hero__title` directive normalizes to the class `hero-title`
   and applies it to the wrapping <section>, so we scope to its direct-child
   <h1> only (never the whole section, which contains the rest of the page). */
section.hero-title > h1 {
  text-align: center;
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin: 2rem 0 0.25rem;
}

/* Hide the anchor "#" link on the hero title. */
section.hero-title > h1 > a.headerlink {
  display: none;
}

.hero {
  text-align: center;
  padding: 0.5rem 1rem 1rem;
  max-width: 900px;
  margin: 0 auto;
}

/* Hero figure (reuses the existing sparse-reconstruction screenshot). */
.hero-figure {
  max-width: 900px;
  margin: 0.5rem auto 1rem;
  text-align: center;
}

.hero-figure img.hero__image {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid var(--pst-color-border);
}

.hero-figure figcaption,
.hero-figure .caption {
  font-size: 0.85rem;
  color: var(--pst-color-text-muted);
  margin-top: 0.5rem;
}

.hero__logo {
  width: 84px;
  height: 84px;
  margin-bottom: 1rem;
}

.hero__title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin: 0 0 0.25rem;
  line-height: 1.1;
}

.hero__tagline {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--pst-color-primary);
  margin: 0 0 1rem;
}

.hero__desc {
  font-size: 1.05rem;
  color: var(--pst-color-text-muted);
  max-width: 680px;
  margin: 0 auto 1.75rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.hero__cta a {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--pst-color-primary);
  transition: transform 0.06s ease, background 0.15s ease, color 0.15s ease;
}

.hero__cta a:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.hero__cta a.hero__cta--primary {
  background: var(--pst-color-primary);
  color: #fff;
}

.hero__cta a.hero__cta--primary:hover {
  background: var(--pst-color-primary-highlight, var(--pst-color-primary));
}

.hero__cta a.hero__cta--secondary {
  background: transparent;
  color: var(--pst-color-primary);
}

.hero__cta a.hero__cta--secondary:hover {
  background: var(--pst-color-surface);
}

.hero__image {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid var(--pst-color-border);
  margin-top: 0.5rem;
}

.hero__image-caption {
  font-size: 0.85rem;
  color: var(--pst-color-text-muted);
  margin-top: 0.5rem;
}

/* Section headings on the landing page. */
.landing-section-title {
  text-align: center;
  font-size: 1.9rem;
  font-weight: 700;
  margin: 3rem 0 0.5rem;
}

.landing-section-subtitle {
  text-align: center;
  color: var(--pst-color-text-muted);
  margin: 0 auto 1.5rem;
  max-width: 640px;
}

/* ------------------------------------------------------ Install selector --- */

.cis {
  max-width: 780px;
  margin: 0 auto 1rem;
  border: 1px solid var(--pst-color-border);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem 1.5rem;
  background: var(--pst-color-surface);
}

.cis__row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.5rem 0;
}

.cis__row + .cis__row {
  border-top: 1px solid var(--pst-color-border);
}

.cis__label {
  flex: 0 0 92px;
  padding-top: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--pst-color-text-muted);
}

.cis__options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cis__btn {
  cursor: pointer;
  padding: 0.4rem 0.95rem;
  border-radius: 2rem;
  border: 1px solid var(--pst-color-border);
  background: var(--pst-color-background);
  color: var(--pst-color-text-base);
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.cis__btn:hover:not(.cis__btn--disabled):not(.cis__btn--active) {
  border-color: var(--pst-color-primary);
  color: var(--pst-color-primary);
}

.cis__btn--active {
  background: var(--pst-color-primary);
  border-color: var(--pst-color-primary);
  color: #fff;
}

.cis__btn--disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.cis__output {
  margin-top: 1rem;
}

.cis__cmd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--pst-color-on-background, var(--pst-color-background));
  border: 1px solid var(--pst-color-border);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
}

.cis__cmd code {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.95rem;
  color: var(--pst-color-text-base);
  overflow-x: auto;
  white-space: nowrap;
}

.cis__prompt {
  color: var(--pst-color-text-muted);
  user-select: none;
  margin-right: 0.4rem;
}

.cis__copy {
  flex: 0 0 auto;
  cursor: pointer;
  padding: 0.35rem 0.85rem;
  border-radius: 0.4rem;
  border: 1px solid var(--pst-color-primary);
  background: transparent;
  color: var(--pst-color-primary);
  font-size: 0.85rem;
  font-weight: 600;
}

.cis__copy:hover {
  background: var(--pst-color-primary);
  color: #fff;
}

.cis__link {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  border-radius: 0.5rem;
  background: var(--pst-color-primary);
  color: #fff !important;
  font-weight: 600;
  text-decoration: none;
}

.cis__link:hover {
  text-decoration: none;
  filter: brightness(1.08);
}

.cis__note {
  margin: 0.75rem 0 0;
  font-size: 0.88rem;
  color: var(--pst-color-text-muted);
}

@media (max-width: 500px) {
  .cis__row {
    flex-direction: column;
    gap: 0.4rem;
  }
  .cis__label {
    flex: none;
    padding-top: 0;
  }
  .hero__title {
    font-size: 2.25rem;
  }
}
