/* ============================================
   INSIGHTS HUB — extends styles.css
   Uses existing design tokens (--ink, --signal, --amber,
   --font-display, --font-mono, --hairline, etc.)
   ============================================ */

.insights-hero { min-height: 74vh; padding-top: 140px; padding-bottom: 60px; }
.insights-hero .hero-content { height: auto; padding-bottom: 24px; }

.tag-row { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.tag-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-soft);
  border: 1px solid var(--hairline);
  padding: 6px 14px;
  border-radius: 999px;
}

/* ---------- Plain text sections ---------- */
.text-section { padding: var(--section-pad) 0; }
.text-section.alt-bg { background: var(--ink-soft); }
.text-section .section-head { max-width: 72ch; }

/* ---------- Chip row (topics / industries) ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--paper-dim);
  border: 1px solid var(--hairline);
  padding: 9px 18px;
  border-radius: 999px;
  transition: border-color 0.3s, color 0.3s, transform 0.3s var(--ease-out);
}
.chip:hover { border-color: var(--signal); color: var(--paper); transform: translateY(-2px); }

/* ============================================
   FEATURED TOPICS — card grid with icon badge + example list
   ============================================ */
.topics-section { padding: var(--section-pad) 0; }
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
@media (max-width: 1000px) { .topic-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .topic-grid { grid-template-columns: 1fr; } }

.topic-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--surface);
  padding: 32px 28px;
  transition: transform 0.4s var(--ease-out), border-color 0.4s;
}
.topic-card:hover { transform: translateY(-6px); border-color: var(--signal); }

.topic-icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--ink-soft);
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  margin-bottom: 22px;
  color: var(--signal);
  transition: background 0.35s, transform 0.35s var(--ease-out);
}
.topic-icon-badge svg { width: 100%; height: 100%; }
.topic-card:hover .topic-icon-badge { background: var(--signal); color: var(--ink); transform: rotate(-6deg) scale(1.06); }

.topic-card:nth-child(5n+2) .topic-icon-badge { color: var(--signal-soft); }
.topic-card:nth-child(5n+2):hover .topic-icon-badge { background: var(--signal-soft); }
.topic-card:nth-child(5n+3) .topic-icon-badge { color: var(--amber); }
.topic-card:nth-child(5n+3):hover .topic-icon-badge { background: var(--amber); }
.topic-card:nth-child(5n+4) .topic-icon-badge { color: var(--teal); }
.topic-card:nth-child(5n+4):hover .topic-icon-badge { background: var(--teal); }
.topic-card:nth-child(5n+5) .topic-icon-badge { color: var(--amber-soft); }
.topic-card:nth-child(5n+5):hover .topic-icon-badge { background: var(--amber-soft); }

.topic-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  margin: 0 0 10px;
}
.topic-card p { color: var(--muted); font-size: 0.92rem; line-height: 1.55; margin: 0 0 20px; }

.topic-examples { list-style: none; margin: 0; padding: 16px 0 0; border-top: 1px solid var(--hairline); display: flex; flex-direction: column; gap: 10px; }
.topic-examples li {
  font-size: 0.85rem;
  color: var(--paper-dim);
  line-height: 1.4;
  display: flex;
  gap: 8px;
}
.example-arrow { color: var(--amber-soft); flex-shrink: 0; }

/* ============================================
   RESEARCH PILLARS — icon chip grid
   ============================================ */
.research-section { padding: var(--section-pad) 0; position: relative; overflow: hidden; }
.research-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 700px 500px at 15% 20%, rgba(46, 196, 160, 0.08), transparent 65%);
  pointer-events: none;
}
.icon-chip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
  position: relative;
}
@media (max-width: 900px) { .icon-chip-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .icon-chip-grid { grid-template-columns: 1fr; } }

.icon-chip-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--surface);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.icon-chip-card:hover { border-color: var(--signal); transform: translateX(6px); }
.icon-chip-badge {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: var(--amber-soft);
}
.icon-chip-badge svg { width: 100%; height: 100%; }
.icon-chip-card span {
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--paper);
}

.research-closing {
  margin-top: 36px;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--paper-dim);
  font-size: 1.05rem;
  max-width: 56ch;
}

/* ============================================
   ICON CARDS — audiences / beliefs
   ============================================ */
.icon-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  margin-top: 40px;
}
@media (max-width: 900px) { .icon-card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .icon-card-grid { grid-template-columns: 1fr; } }

.icon-card {
  background: var(--ink-soft);
  padding: 32px 28px;
  transition: background 0.35s;
}
.text-section.alt-bg .icon-card { background: var(--surface); }
.icon-card:hover { background: var(--surface-raised); }

.icon-card-badge {
  width: 42px;
  height: 42px;
  color: var(--signal-soft);
  margin-bottom: 18px;
  transition: transform 0.35s var(--ease-out);
}
.icon-card-badge svg { width: 100%; height: 100%; }
.icon-card:hover .icon-card-badge { transform: scale(1.12) rotate(-4deg); }

.icon-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 10px;
  color: var(--paper);
}
.icon-card p { color: var(--muted); font-size: 0.9rem; margin: 0; line-height: 1.55; }