/* Capabilities page — matrix view
   Matches new dark-first SaaS system */

.cap-intro { padding: 72px 0 24px; }

.cap-matrix-section { padding-bottom: 80px; }

/* ==================== Filter bar ==================== */
.filter-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
}
.filter-group { display: flex; flex-direction: column; gap: 12px; }
.filter-label { font-size: 11px; font-family: var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-4); }
.filter-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-chip {
  padding: 6px 10px;
  border: 1px solid var(--rule-2);
  background: transparent;
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--fg-3);
  cursor: pointer;
  transition: all 150ms ease;
  white-space: nowrap;
}
.filter-chip:hover { border-color: var(--fg-4); color: var(--fg); }
.filter-chip.active {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

/* ==================== Matrix layout ==================== */
.matrix-layout {
  display: grid;
  grid-template-columns: minmax(380px, 1fr) 1.4fr;
  gap: 0;
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-1);
}

.matrix-list {
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
}
.matrix-row {
  display: grid;
  grid-template-columns: 36px 1fr 16px;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  color: var(--fg);
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 140ms ease;
  border-left: none;
  border-right: none;
  border-top: none;
}
.matrix-row:last-child { border-bottom: none; }
.matrix-row:hover { background: var(--bg-2); }
.matrix-row.active { background: var(--bg-2); }
.matrix-row.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent);
}
.matrix-row { position: relative; }
.matrix-row.dim { opacity: 0.35; }

.matrix-no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-4);
  letter-spacing: 0.08em;
}
.matrix-row.active .matrix-no { color: var(--accent); }
.matrix-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--fg);
}
.matrix-tags { display: none; }
.matrix-arrow {
  color: var(--fg-5);
  font-size: 10px;
}
.matrix-row.active .matrix-arrow { color: var(--accent); }

/* ==================== Panel ==================== */
.matrix-panel {
  padding: 40px 40px 32px;
  background: var(--bg-1);
  min-height: 620px;
  display: flex;
  flex-direction: column;
}
.matrix-panel-head { margin-bottom: 24px; }
.matrix-panel-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}
.matrix-panel-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--fg);
  margin: 0 0 12px;
}
.matrix-panel-kicker {
  font-size: 15px;
  color: var(--fg-3);
  margin: 0;
  max-width: 560px;
  line-height: 1.5;
}
.matrix-panel-body {
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.matrix-panel-body p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 620px;
  margin: 0;
}

.matrix-deliverables {
  margin-top: 28px;
}
.matrix-deliverables-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 14px;
}
.matrix-deliverables ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}
.matrix-deliverables li {
  display: flex;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.5;
}
.matrix-deliverables li .tick {
  color: var(--accent);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

/* ==================== Signals ==================== */
.matrix-signals {
  margin-top: auto;
  padding-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  gap: 0;
}
.matrix-signal {
  padding: 20px 24px 0 0;
  border-right: 1px solid var(--rule);
}
.matrix-signal:last-child { border-right: none; padding-right: 0; }
.matrix-signal-v {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.matrix-signal-v .unit { color: var(--accent); font-size: 0.65em; margin-left: 1px; }
.matrix-signal-l {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-4);
  line-height: 1.5;
}

@media (max-width: 1100px) {
  .matrix-layout { grid-template-columns: 1fr; }
  .matrix-list { border-right: none; border-bottom: 1px solid var(--rule); }
  .matrix-panel { padding: 32px 24px; }
  .filter-bar { grid-template-columns: 1fr; gap: 20px; padding: 20px 0; }
  .matrix-deliverables ul { grid-template-columns: 1fr; }
  .matrix-signals { grid-template-columns: 1fr; }
  .matrix-signal { border-right: none; border-bottom: 1px solid var(--rule); padding: 16px 0; }
  .matrix-signal:last-child { border-bottom: none; }
  .matrix-panel-title { font-size: 28px; }
}