/* Insights uses the same typography and spacing baseline as the core pages. */
html {
  scroll-behavior: smooth;
}

:root {
  --bg-color: #ffffff;
  --surface-color: #f6f7f8;
  --text-color: #111111;
  --muted-text: #6a6a6a;
  --border-color: #e6e6e6;
  --accent-blue: #3b6cff;
}

body {
  margin: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Keep header/container width consistent with Home/About/Services/Connect. */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Insights page layout keeps a restrained, executive presentation. */
.insights-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Section accent reinforces the briefing heading. */
.section-accent {
  width: 56px;
  height: 3px;
  background: rgba(59, 108, 255, 0.62);
  border-radius: 999px;
}

/* Integrated callout framing the insights narrative. */
.executive-callout {
  margin-top: 0;
  padding: 0;
  border-left: 3px solid var(--accent-blue);
  padding-left: 24px;
  background: none;
  border-radius: 0;
  font-size: 20px;
  margin-bottom: 48px;
  line-height: 1.6;
  color: var(--text-color);
  max-width: 100%;
}

.executive-callout strong {
  color: var(--accent-blue);
  font-weight: 600;
}

/* Brief cards use editorial spacing with a restrained divider rhythm. */
.insight-card {
  border-bottom: 1px solid var(--border-color);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.insight-brief {
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border-color);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.insight-card:last-child,
.insight-brief:last-child {
  border-bottom: none;
}

.insight-card + .insight-card {
  margin-top: 0;
}

.insight-card:hover {
  transform: translateY(-2px);
  box-shadow: none;
}

/* Preserve the top blue divider used as the card identity marker. */
.insight-accent {
  width: 56px;
  height: 3px;
  border-radius: 999px;
  background: rgba(59, 108, 255, 0.62);
  margin: 0 0 16px 0;
}

.brief-header h2 {
  font-size: 32px;
  margin-top: 0;
  margin-bottom: 16px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brief-header time {
  display: none;
}

.brief-intro p {
  font-size: 19px;
  color: var(--text-color);
  max-width: 760px;
  margin-top: 0;
  margin-bottom: 20px;
}

.insight-summary {
  margin: 0;
}

.insight-card .service-list {
  margin-top: 12px;
  margin-bottom: 0;
}

/* Toggle remains minimal and aligns with the page tone. */
.insight-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 18px;
}

.insight-toggle {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-color, #111111);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 20px;
  cursor: pointer;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.insight-toggle:hover {
  border-color: var(--accent-blue);
  background-color: #fff;
  color: var(--accent-blue);
  transform: translateY(-1px);
  box-shadow: none;
}

/* Brief body region uses the same typography and spacing rhythm as existing insight copy. */
.brief-content {
  margin-top: 16px;
}

.brief-content p {
  max-width: 720px;
  margin: 0 0 16px 0;
  font-size: 18px;
  color: var(--muted-text);
}

.brief-content p:last-child {
  margin-bottom: 0;
}

.insight-expanded {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-top: 16px;
  transition: max-height 280ms ease, opacity 220ms ease;
}

.insight-card.expanded .insight-expanded {
  max-height: 960px;
  opacity: 1;
}

.insight-expanded p {
  max-width: 720px;
  margin: 0 0 16px 0;
  font-size: 18px;
  color: var(--muted-text);
}

.insight-expanded p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .insights-main {
    padding: 0 24px;
  }

  .brief-header h2 {
    font-size: 28px;
  }

  .executive-callout {
    padding: 20px 22px;
    font-size: 18px;
    margin-bottom: 48px;
  }

  .insight-card {
    margin-bottom: 48px;
  }
}