/* ── About — Single Viewport ── */

.about-shell {
  position: fixed;
  top: 0; bottom: 0; left: 48px; right: 0;
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  overflow: hidden;
}

/* ── HERO ROW: title left, GRIT right ── */
.about-hero-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  margin-bottom: 0.6rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-dim);
}
.about-hero-left h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.4rem;
  color: var(--text-1);
  margin: 0 0 0.15rem;
}
.about-hero-left .subtitle {
  color: var(--text-2);
  font-size: 0.88rem;
  max-width: 420px;
}

.grit-strip {
  display: flex;
  gap: 0.6rem;
  flex-shrink: 0;
}
.grit-item {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}
.grit-letter {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  color: var(--cyan);
  line-height: 1;
}
.grit-word {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-2);
}

/* ── MAIN: 2 columns ── */
.about-main {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.25rem;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.about-left {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  overflow-y: auto;
}
.about-left::-webkit-scrollbar { width: 4px; }
.about-left::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 2px; }

.founding-card {
  background: rgba(142,176,204,0.04);
  border: 1px solid rgba(142,176,204,0.12);
  border-left: 3px solid var(--cyan);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
}
.founding-card h3 { color: var(--cyan); margin-bottom: 0.3rem; font-size: 0.92rem; }
.founding-card p { color: var(--text-2); line-height: 1.55; margin-bottom: 0.35rem; font-size: 0.88rem; }
.founding-card p:last-child { margin-bottom: 0; }

.founder-card {
  background: var(--bg-card);
  border: 1px solid rgba(212,180,120,0.15);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
}
.founder-card h3 { color: var(--amber); font-size: 0.92rem; margin-bottom: 0.15rem; }
.founder-card p { color: var(--text-2); font-size: 0.85rem; font-style: italic; }

.governance-card {
  background: rgba(142,176,204,0.04);
  border: 1px solid rgba(142,176,204,0.12);
  border-left: 3px solid var(--cyan);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
}
.governance-card h3 { color: var(--cyan); margin-bottom: 0.3rem; font-size: 0.92rem; }
.governance-card p { color: var(--text-2); font-size: 0.85rem; line-height: 1.55; margin-bottom: 0.25rem; }
.governance-card p:last-child { margin-bottom: 0; }

/* ── ELDER TABS ── */
.about-right {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.elder-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-dim);
  margin-bottom: 0.5rem;
  flex-shrink: 0;
}
.etab {
  padding: 0.4rem 0.85rem;
  background: none;
  color: var(--text-3);
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.15s;
  margin-bottom: -1px;
}
.etab:hover { color: var(--text-2); }
.etab.active { color: var(--amber); border-bottom-color: var(--amber); }

.elder-panel { display: none; flex: 1; min-height: 0; overflow-y: auto; }
.elder-panel.active { display: block; }
.elder-panel::-webkit-scrollbar { width: 4px; }
.elder-panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 2px; }

.ep-desc {
  color: var(--text-3);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.elder-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.person-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  padding: 0.65rem 0.8rem;
  transition: border-color 0.15s;
}
.person-card:hover { border-color: var(--border); }
.person-card h3 {
  color: var(--text-1);
  font-size: 0.88rem;
  margin-bottom: 0.2rem;
}
.person-card .role {
  color: var(--text-2);
  font-size: 0.82rem;
  line-height: 1.45;
  margin-bottom: 0.2rem;
}
.person-card .personality {
  color: var(--text-3);
  font-size: 0.78rem;
  font-style: italic;
}

@media (max-width: 720px) {
  .about-shell { position: relative; overflow: auto; left: 0; }
  .about-hero-row { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .about-main { grid-template-columns: 1fr; }
  .elder-grid { grid-template-columns: 1fr; }
}