/* RABET brand customisations on top of MkDocs Material.
   Keep this file lean — Material exposes most knobs through CSS
   custom properties, so we only override the few that matter for
   the landing page. */

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

.rabet-hero {
  padding: 3rem 1rem 2.5rem;
  text-align: center;
  background:
    radial-gradient(
      ellipse at top,
      rgba(255, 87, 34, 0.10) 0%,
      transparent 65%
    );
}

.rabet-hero h1 {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
  background: linear-gradient(90deg, #ff5722 0%, #ff9800 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.rabet-hero h3 {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--md-default-fg-color--light);
  margin: 0 0 1.5rem;
}

.rabet-hero p {
  max-width: 38rem;
  margin: 0 auto 1.5rem;
  font-size: 1.05rem;
  line-height: 1.65;
}

.rabet-hero .md-button {
  margin: 0.35rem 0.25rem;
}

/* ---------- Feature grid cards ---------- */

.md-typeset .grid.cards > :is(ul, ol) > li,
.md-typeset .grid > .card {
  border-radius: 0.8rem;
  border-color: var(--md-default-fg-color--lightest);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.md-typeset .grid.cards > :is(ul, ol) > li:hover,
.md-typeset .grid > .card:hover {
  transform: translateY(-2px);
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Card icons — punch up the colour so the grid reads at a glance. */
.md-typeset .grid.cards .twemoji,
.md-typeset .grid.cards .md-icon {
  color: var(--md-primary-fg-color);
}

/* ---------- Screenshot inside the landing page ---------- */

.md-typeset img[alt="RABET Annotation view"],
.md-typeset img[alt="RABET Annotation ビュー"] {
  border-radius: 0.6rem;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.06),
    0 12px 32px rgba(0, 0, 0, 0.12);
  margin: 1rem auto;
}

/* ---------- Code blocks ---------- */

.md-typeset pre > code {
  border-radius: 0.5rem;
}

/* ---------- Buttons ---------- */

.md-typeset .md-button {
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-width: 1.5px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.md-typeset .md-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.10);
}

/* ---------- Dark-mode tweaks ---------- */

[data-md-color-scheme="slate"] .rabet-hero {
  background:
    radial-gradient(
      ellipse at top,
      rgba(255, 152, 0, 0.12) 0%,
      transparent 65%
    );
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > :is(ul, ol) > li {
  background: rgba(255, 255, 255, 0.02);
}