body {
  background: var(--obsidian-slate);
  min-height: 100vh;
}

#chat-widget { display: none !important; }

/* ── Nav ──────────────────────────────────────────────── */
.lead-nav {
  padding: .75rem 0;
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .9rem;
}
.lead-back-link {
  color: var(--sandy-peach);
  font-weight: 600;
  transition: opacity .2s;
}
.lead-back-link:hover { opacity: .75; }
.lead-nav span { color: var(--cornflower-blue-dim); }

/* ── Hero statement ──────────────────────────────────── */
.lead-hero {
  margin-top: 3rem;
  text-align: center;
}
.lead-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--cornflower-blue);
  margin-bottom: 1rem;
}
.lead-statement {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--parchment);
  margin-bottom: 1rem;
}
.lead-statement-accent { color: var(--sandy-peach); }
.lead-thesis {
  font-size: 1.05rem;
  color: var(--cornflower-blue-dim);
  line-height: 1.7;
  max-width: 580px;
  margin: 0 auto;
  font-style: italic;
}

/* ── Body: cards + chat ──────────────────────────────── */
.lead-body {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 2rem;
  margin-top: 3rem;
  padding-bottom: 3rem;
  align-items: start;
}

/* ── Philosophy cards ────────────────────────────────── */
.lead-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lead-card {
  position: relative;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 10px;
  background: rgba(27,37,44,.5);
  padding: 1.5rem;
  cursor: pointer;
  transition: all .25s ease;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.lead-card:hover {
  border-color: rgba(159,184,217,.2);
  background: rgba(27,37,44,.75);
  transform: translateY(-2px);
}
.lead-card-active {
  border-color: var(--sandy-peach) !important;
  background: rgba(27,37,44,.85) !important;
  box-shadow: 0 0 30px rgba(244,215,177,.06);
  transform: none !important;
}

.lead-card-num {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  color: var(--deep-sand);
  letter-spacing: .04em;
}

.lead-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--parchment);
  line-height: 1.3;
}
.lead-card-lead {
  font-size: .88rem;
  font-weight: 500;
  color: var(--parchment);
  opacity: .85;
  font-style: italic;
}
.lead-card-desc {
  font-size: .82rem;
  color: var(--cornflower-blue-dim);
  line-height: 1.6;
}

/* Hover hint */
.lead-card-cta {
  font-size: .65rem;
  font-weight: 600;
  color: var(--cornflower-blue-dim);
  letter-spacing: .04em;
  opacity: 0;
  transition: opacity .2s;
  margin-top: auto;
}
.lead-card:hover .lead-card-cta { opacity: .6; }
.lead-card-active .lead-card-cta { opacity: 1; color: var(--sandy-peach); }

/* ── Chat column ─────────────────────────────────────── */
.lead-chat-col {
  position: sticky;
  top: 1rem;
}
.lead-chat-col .ai-chat-embed {
  height: calc(100vh - 3rem);
  display: flex;
  flex-direction: column;
}
.lead-chat-col .ai-chat-log {
  flex: 1;
  min-height: 0;
  max-height: none;
}

#lead-chat-input {
  flex: 1;
  background: transparent;
  border: none;
  padding: .5rem .4rem;
  font-size: .85rem;
  color: var(--parchment);
  font-family: inherit;
  outline: none;
}
#lead-chat-input::placeholder { color: #5a7a96; }
#lead-chat-send {
  background: var(--deep-sand);
  border: none;
  border-radius: 8px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: .85rem;
  cursor: pointer;
  transition: background .2s;
  flex-shrink: 0;
}
#lead-chat-send:hover { background: #a87d63; }

/* ── Mobile ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .lead-body {
    grid-template-columns: 1fr;
    padding-bottom: 2rem;
  }
  .lead-chat-col {
    position: static;
  }
  .lead-chat-col .ai-chat-embed {
    height: 50vh;
  }
  .lead-hero {
    margin-top: 2rem;
  }
}