/* Lithos — custom styles */

:root {
  --lithos-purple: #7c3aed;
  --lithos-cyan: #06b6d4;
}

/* Hero section on landing page */
.lithos-hero {
  padding: 3rem 0 2rem;
  text-align: center;
}

.lithos-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #a78bfa 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.lithos-hero .tagline {
  font-size: 1.25rem;
  color: var(--md-default-fg-color--light);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.feature-card {
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--lithos-purple);
}

.feature-card .icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.feature-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--md-default-fg-color--light);
}

/* Moat badges */
.moat-badge {
  display: inline-block;
  background: linear-gradient(135deg, #7c3aed22, #06b6d422);
  border: 1px solid #7c3aed55;
  border-radius: 4px;
  padding: 0.1rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #a78bfa;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 0.5rem;
}

/* Tool signature boxes */
.tool-sig {
  background: var(--md-code-bg-color);
  border-left: 3px solid var(--lithos-cyan);
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
  font-family: var(--md-code-font);
  font-size: 0.9rem;
  margin: 1rem 0;
}