/* ── Matrix Hero ──────────────────────── */
.matrix-hero {
  padding: 72px 32px 56px;
  border-bottom: 1px solid var(--border);
}

.matrix-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.matrix-eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 500;
}

.matrix-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.matrix-headline em {
  font-style: italic;
  color: var(--accent);
}

.matrix-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 500px;
  line-height: 1.7;
}

/* ── Matrix Body ──────────────────────── */
.matrix-body {
  padding: 48px 32px 80px;
}

.matrix-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* ── Filter Section ──────────────────── */
.filter-section {
  margin-bottom: 28px;
}

.filter-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-pill {
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-pill:hover {
  border-color: rgba(245,166,35,0.4);
  color: var(--text);
}

.filter-pill.active {
  background: rgba(245,166,35,0.12);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 500;
}

/* ── Legend ─────────────────────────── */
.legend {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.legend-title {
  font-weight: 500;
  color: var(--text);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.score-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.score-best { background: var(--green); }
.score-okay { background: var(--amber); }
.score-hard { background: rgba(255,255,255,0.2); }

/* ── Matrix Grid ─────────────────────── */
.matrix-grid {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 56px;
  background: var(--surface);
}

.matrix-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr 1fr 1fr 1.2fr;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.matrix-row:last-child {
  border-bottom: none;
}

.matrix-row:hover:not(.matrix-header-row) {
  background: rgba(255,255,255,0.025);
}

.matrix-header-row {
  background: rgba(255,255,255,0.04);
}

.matrix-header-row .matrix-cell {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 500;
  padding: 14px 18px;
}

.matrix-cell {
  padding: 18px;
  font-size: 0.88rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  border-right: 1px solid var(--border);
}

.matrix-cell:last-child {
  border-right: none;
  justify-content: space-between;
}

.cell-path {
  font-weight: 500;
}

.path-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.path-name-cell {
  font-size: 0.9rem;
}

/* Time badge */
.time-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255,255,255,0.06);
  padding: 4px 10px;
  border-radius: 6px;
}

/* Skill bar */
.skill-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
}

.skill-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  width: 100%;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 2px;
  opacity: 0.7;
}

.skill-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Scalability dots */
.scalability-wrap {
  display: flex;
  gap: 4px;
}

.scal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  transition: background 0.15s;
}

.scal-dot.active {
  opacity: 0.85;
}

/* Risk badge */
.risk-badge {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 6px;
}

.risk-low { color: var(--green); background: rgba(52,211,153,0.1); }
.risk-med { color: var(--amber); background: rgba(245,166,35,0.1); }
.risk-high { color: #f87171; background: rgba(248,113,113,0.1); }

/* Fit score */
.fit-score {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
}

.fit-score.score-best { color: var(--green); background: rgba(52,211,153,0.1); }
.fit-score.score-okay { color: var(--amber); background: rgba(245,166,35,0.1); }
.fit-score.score-hard { color: var(--text-muted); background: rgba(255,255,255,0.06); }

/* Expand button */
.expand-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.expand-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Path Detail Cards ──────────────── */
.path-cards-section {
  margin-top: 8px;
}

.path-cards-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.path-cards-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 36px;
}

.path-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.path-detail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid transparent;
  border-radius: 12px;
  padding: 28px 32px;
  display: none;
  animation: cardReveal 0.25s ease;
}

@keyframes cardReveal {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 16px;
}

.card-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.path-dot-lg {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text);
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.card-formula {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(245,166,35,0.08);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.card-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.card-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  font-weight: 500;
}

.detail-value {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.5;
}

.card-warning {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(251,146,60,0.08);
  border: 1px solid rgba(251,146,60,0.2);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--orange);
  margin-bottom: 12px;
}

.card-warning svg {
  flex-shrink: 0;
  margin-top: 2px;
  stroke: var(--orange);
}

.card-ceiling {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(34,211,238,0.06);
  border: 1px solid rgba(34,211,238,0.15);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--cyan);
}

.card-ceiling svg {
  flex-shrink: 0;
  margin-top: 2px;
  stroke: var(--cyan);
}

/* ── Responsive ─────────────────────── */
@media (max-width: 900px) {
  .matrix-row {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
  .matrix-header-row .matrix-cell:nth-child(3),
  .matrix-header-row .matrix-cell:nth-child(4),
  .matrix-row:not(.matrix-header-row) .matrix-cell:nth-child(3),
  .matrix-row:not(.matrix-header-row) .matrix-cell:nth-child(4) {
    display: none;
  }
}

@media (max-width: 640px) {
  .matrix-hero {
    padding: 56px 20px 40px;
  }
  .matrix-body {
    padding: 32px 20px 60px;
  }
  .matrix-row {
    grid-template-columns: 1fr 1fr;
  }
  .matrix-header-row { display: none; }
  .matrix-row .matrix-cell:nth-child(n+4) { display: none; }
  .matrix-row .matrix-cell:first-child::after {
    content: attr(data-path-id);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: 4px;
  }
  .filter-pills {
    gap: 8px;
  }
  .filter-pill {
    font-size: 0.82rem;
    padding: 8px 14px;
  }
  .card-details-grid {
    grid-template-columns: 1fr;
  }
  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .legend {
    flex-wrap: wrap;
    gap: 12px;
  }
}