:root {
  --ia-bg: #f5f8ff;
  --ia-surface: #ffffff;
  --ia-text: #1d1d1b;
  --ia-muted: #425466;
  --ia-primary: #009ee2;
  --ia-primary-strong: #1d70b7;
  --ia-secondary: #312782;
  --ia-border: #dbe3ef;
  --ia-radius: 0.85rem;
  --ia-shadow: 0 10px 24px rgba(8, 24, 48, 0.09);
  --ia-space-2: 0.5rem;
  --ia-space-3: 0.75rem;
  --ia-space-4: 1rem;
  --ia-space-5: 1.5rem;
  --ia-space-6: 2rem;
  --ia-space-7: 3rem;
  --ia-max: 72rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "DM Sans", "Segoe UI", Roboto, sans-serif;
  color: var(--ia-text);
  background: var(--ia-bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

.container {
  width: min(100% - 2rem, var(--ia-max));
  margin-inline: auto;
}

.insight-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(0, 0, 0, 0.94);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(0.35rem);
}

.insight-header-inner {
  min-height: 4.5rem;
  display: grid;
  gap: var(--ia-space-3);
  align-items: center;
  padding-block: var(--ia-space-3);
}

.brand-link img {
  width: clamp(8rem, 18vw, 12rem);
  border-radius: 0.5rem;
}

.insight-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ia-space-4);
}

.insight-nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
}

.insight-nav a:hover,
.insight-nav a:focus-visible {
  color: var(--ia-primary);
}

.header-cta {
  justify-self: start;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font-weight: 700;
}

.header-cta:hover,
.header-cta:focus-visible {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.article-hero {
  padding-block: var(--ia-space-7);
}

.article-hero-inner {
  display: grid;
  gap: var(--ia-space-6);
}

.article-lead {
  color: var(--ia-muted);
  font-size: 1.08rem;
  max-width: 65ch;
}

.article-cover {
  border-radius: var(--ia-radius);
  border: 1px solid var(--ia-border);
  box-shadow: var(--ia-shadow);
  overflow: hidden;
}

.article-content {
  padding-bottom: var(--ia-space-7);
}

.article-content-inner {
  background: var(--ia-surface);
  border: 1px solid var(--ia-border);
  border-radius: var(--ia-radius);
  box-shadow: var(--ia-shadow);
  padding: var(--ia-space-6);
}

.article-content h2,
.article-content h3 {
  color: var(--ia-secondary);
  line-height: 1.25;
  margin-top: 0;
}

.article-content section + section {
  margin-top: var(--ia-space-6);
  padding-top: var(--ia-space-5);
  border-top: 1px solid var(--ia-border);
}

.article-content ul {
  margin: var(--ia-space-3) 0 0;
  padding-left: 1.15rem;
}

.takeaways {
  background: #f3f9ff;
  border: 1px solid rgba(0, 158, 226, 0.25);
  border-radius: var(--ia-radius);
  padding: var(--ia-space-5);
}

.article-cta {
  margin-top: var(--ia-space-6);
  background: linear-gradient(145deg, #0f1635, #1b2f6f);
  color: #ffffff;
  border-radius: var(--ia-radius);
  padding: var(--ia-space-6);
}

.article-cta h3 {
  margin-top: 0;
  color: #ffffff;
}

.article-cta .btn-primary {
  display: inline-flex;
  text-decoration: none;
  margin-top: var(--ia-space-3);
  background: var(--ia-primary);
  color: #ffffff;
  border-radius: 999px;
  padding: 0.6rem 1rem;
  font-weight: 700;
}

.article-cta .btn-primary:hover,
.article-cta .btn-primary:focus-visible {
  background: var(--ia-primary-strong);
}

.insight-footer {
  border-top: 1px solid var(--ia-border);
  background: #ffffff;
}

.insight-footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--ia-space-3);
  padding-block: var(--ia-space-4);
  color: #4f6173;
}

.insight-footer a {
  color: var(--ia-primary-strong);
  font-weight: 600;
  text-decoration: none;
}

.insight-footer a:hover,
.insight-footer a:focus-visible {
  color: var(--ia-primary);
}

@media (min-width: 48rem) {
  .insight-header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .header-cta {
    justify-self: end;
  }

  .article-hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }
}