/* Phase 3 homepage components: AcquisitionNetwork + FollowTheThread.
   All selectors scoped with hp3- prefix so nothing collides with
   global.css or other agents' CSS. */

/* ---------- Acquisition Network ---------- */

.hp3-network {
  margin: 3rem 0;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.hp3-network-head {
  max-width: 640px;
  margin: 0 0 1.5rem;
}

.hp3-network-head h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.2;
  color: var(--fg);
}

.hp3-network-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hp3-network-canvas-wrap {
  position: relative;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  height: 420px;
  overflow: hidden;
}

.hp3-network-canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.hp3-network-tooltip {
  position: absolute;
  z-index: 3;
  transform: translate(-50%, -140%);
  pointer-events: none;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 0.3rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  white-space: nowrap;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hp3-network-controls {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  display: flex;
  gap: 0.4rem;
  z-index: 2;
}

.hp3-btn {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1;
  padding: 0.45rem 0.65rem;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.15s var(--ease-out-cubic), color 0.15s var(--ease-out-cubic);
}

.hp3-btn:hover,
.hp3-btn:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.hp3-network-fallback {
  margin-top: 1rem;
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
}

.hp3-network-fallback summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.hp3-network-fallback ul {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
}

.hp3-network-fallback li {
  margin: 0.2rem 0;
}

.hp3-network-fallback a {
  color: var(--fg);
}

.hp3-network-empty {
  color: var(--muted);
  border: 1px dashed var(--border);
  padding: 1.5rem;
  text-align: center;
}

@media (max-width: 640px) {
  .hp3-network-canvas-wrap {
    height: 300px;
  }
  .hp3-network-controls {
    right: 0.5rem;
    bottom: 0.5rem;
  }
}

/* ---------- Follow the Thread ---------- */

.hp3-thread {
  margin: 3rem 0;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.hp3-thread-head h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.2;
  color: var(--fg);
  max-width: 640px;
}

.hp3-thread-chain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hp3-thread-node {
  display: flex;
}

.hp3-thread-company {
  display: inline-block;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--fg);
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.15s var(--ease-out-cubic), color 0.15s var(--ease-out-cubic), background 0.15s var(--ease-out-cubic);
}

.hp3-thread-company:hover,
.hp3-thread-company:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.hp3-thread-company--acquirer {
  background: var(--bg);
  border-color: var(--fg);
}

.hp3-thread-company--small {
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.4rem 0.7rem;
}

.hp3-thread-connector {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-left: 1.1rem;
  min-height: 2.25rem;
}

.hp3-thread-line {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  min-height: 1.5rem;
}

.hp3-thread-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

.hp3-thread-node--group {
  padding-left: 1.1rem;
}

.hp3-thread-group {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hp3-thread-resource {
  display: inline-block;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-decoration: none;
  transition: border-color 0.15s var(--ease-out-cubic), color 0.15s var(--ease-out-cubic);
}

.hp3-thread-resource:hover,
.hp3-thread-resource:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 640px) {
  .hp3-thread-company {
    font-size: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hp3-btn,
  .hp3-thread-company,
  .hp3-thread-resource {
    transition: none;
  }
}