/* ═══════════════════════════════════════════
   rnd.css — R&D Lab Section
═══════════════════════════════════════════ */
.section-rnd { position: relative; }

/* Blueprint grid background */
.rnd-grid-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(16,54,85,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,54,85,0.1) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black, transparent);
}

/* Nebula atmosphere — fades in on scroll */
.rnd-nebula-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 50% at 50% 50%,
    rgba(157,120,245,0.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 1.5s var(--ease);
}
.section-rnd.nebula-lit .rnd-nebula-bg { opacity: 1; }

.section-rnd .container { position: relative; z-index: 2; }
.rnd-intro-text {
  color: var(--c-mist); max-width: 520px;
  margin-top: var(--s2); font-size: 0.95rem;
}

/* Entries */
.rnd-list { display: flex; flex-direction: column; border-top: 1px solid var(--c-deep); }
.rnd-entry {
  display: grid; grid-template-columns: 120px 1fr;
  gap: var(--s4); padding: var(--s4) 0;
  border-bottom: 1px solid var(--c-deep);
  transition: background var(--mid), padding var(--mid);
  position: relative;
}
/* Accent line on hover */
.rnd-entry::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--c-biolume);
  transform: scaleY(0); transform-origin: top;
  transition: transform 0.4s var(--ease);
}
.rnd-entry:hover {
  background: rgba(9,24,40,0.6);
  padding-left: var(--s3); padding-right: var(--s3);
  margin-left: calc(-1 * var(--s3)); margin-right: calc(-1 * var(--s3));
}
.rnd-entry:hover::before { transform: scaleY(1); }

/* Status badge */
.rnd-badge {
  display: flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono); font-size: var(--t-xs);
  letter-spacing: 0.15em; text-transform: uppercase;
  padding-top: 0.15rem;
}
.rnd-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }

/* Status colors */
.status-live     { color: var(--c-biolume); }
.status-wip      { color: var(--c-amber); }
.status-exploring{ color: var(--c-nebula); }
.status-archived { color: var(--c-ghost); }
.dot-live      { background: var(--c-biolume); animation: live-pulse 2.5s ease-in-out infinite; }
.dot-wip       { background: var(--c-amber); }
.dot-exploring { background: var(--c-nebula); }
.dot-archived  { background: var(--c-ghost); }

.rnd-title {
  font-family: var(--font-serif); font-weight: 600;
  font-size: 1.15rem; color: var(--c-star); margin-bottom: 0.4rem;
}
.rnd-hypothesis {
  color: var(--c-star);       /* upgraded from c-mist — primary readability */
  margin-bottom: 0.5rem; font-size: 0.92rem; line-height: 1.75;
}
.rnd-finding {
  font-family: var(--font-sans); font-size: 0.88rem;  /* sans for legibility over mono */
  letter-spacing: 0.01em; color: var(--c-mist);       /* upgraded from c-ghost */
  line-height: 1.75; margin-bottom: 0.75rem;
}
.rnd-finding::before { content: '→ '; color: var(--c-teal); font-family: var(--font-mono); }
.rnd-artifacts { display: flex; gap: var(--s2); flex-wrap: wrap; }
.rnd-artifact-link {
  font-family: var(--font-mono); font-size: var(--t-xs);
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--c-biolume-soft); text-decoration: none;
  transition: color var(--fast);
}
.rnd-artifact-link:hover { color: var(--c-biolume); }

@media (max-width: 720px) {
  .rnd-entry { grid-template-columns: 80px 1fr; gap: var(--s2); }
}