/* Jesse landing page and site styles. Loaded via book.toml additional-css.
   Uses mdBook theme variables so light and dark themes both work. */

:root {
  --jesse-grad-a: #6366F1;
  --jesse-grad-b: #7C3AED;
}

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

.jesse-hero {
  text-align: center;
  padding: 1.5rem 0 0.5rem;
}

.jesse-hero img {
  width: 112px;
  height: 112px;
}

.jesse-hero h1 {
  margin: 0.75rem 0 0.25rem;
  font-size: 2.6rem;
  border: none;
}

.jesse-tagline {
  font-size: 1.25rem;
  margin: 0.25rem auto 0.5rem;
  max-width: 34em;
}

.jesse-subline {
  font-size: 1rem;
  opacity: 0.75;
  margin: 0 auto 1rem;
  max-width: 38em;
}

/* ---------- CTA buttons ---------- */

.jesse-cta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 1.25rem 0 1.5rem;
}

.jesse-cta a {
  display: inline-block;
  padding: 0.6rem 1.3rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none !important;
}

.jesse-cta a.primary {
  background: linear-gradient(135deg, var(--jesse-grad-a), var(--jesse-grad-b));
  color: #fff !important;
}

.jesse-cta a.primary:hover {
  filter: brightness(1.1);
}

.jesse-cta a.secondary {
  border: 1.5px solid var(--theme-popup-border, currentColor);
  color: var(--fg) !important;
}

.jesse-cta a.secondary:hover {
  border-color: var(--jesse-grad-a);
  color: var(--jesse-grad-a) !important;
}

/* ---------- Briefing card ---------- */

.jesse-briefing {
  max-width: 40em;
  margin: 1rem auto;
  border: 1px solid var(--table-border-color, rgba(128,128,128,0.35));
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0,0,0,0.08);
}

.jesse-briefing .titlebar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  opacity: 0.85;
  background: var(--quote-bg, rgba(128,128,128,0.12));
  border-bottom: 1px solid var(--table-border-color, rgba(128,128,128,0.35));
}

.jesse-briefing .titlebar .dots span {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 4px;
  opacity: 0.55;
  background: currentColor;
}

.jesse-briefing pre {
  margin: 0;
  padding: 1rem 1.2rem;
  font-size: 0.85rem;
  line-height: 1.55;
  white-space: pre-wrap;
  background: transparent;
}

/* ---------- Three-part grid ---------- */

.jesse-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.9rem;
  margin: 1.25rem 0;
}

.jesse-grid .card {
  border: 1px solid var(--table-border-color, rgba(128,128,128,0.35));
  border-radius: 10px;
  padding: 0.9rem 1rem;
}

.jesse-grid .card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
}

.jesse-grid .card p {
  margin: 0;
  font-size: 0.92rem;
  opacity: 0.9;
}

.jesse-grid .card .kicker {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jesse-grad-a);
  margin-bottom: 0.35rem;
}

/* ---------- Diagram ---------- */

.jesse-diagram {
  text-align: center;
  margin: 1.25rem 0;
}

.jesse-diagram svg {
  max-width: 620px;
  width: 100%;
  height: auto;
}

/* ---------- Section spacing on the landing page ---------- */

.jesse-section-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--jesse-grad-a);
  margin: 2rem 0 0.25rem;
}