:root {
  --iv2-ink: #0f172a;
  --iv2-muted: #475467;
  --iv2-surface: #ffffff;
  --iv2-surface-alt: #f8fafc;
  --iv2-line: #e4e7ec;
  --iv2-accent: #2f86b3;
  --iv2-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

body[data-theme="dark"] {
  --iv2-ink: #f1f5f9;
  --iv2-muted: #cbd5e1;
  --iv2-surface: #0f172a;
  --iv2-surface-alt: #111b2f;
  --iv2-line: rgba(148, 163, 184, 0.28);
  --iv2-accent: #68b8e0;
  --iv2-shadow: 0 14px 36px rgba(2, 6, 23, 0.42);
}

.iv2-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  height: 3px;
  background: transparent;
}

.iv2-progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--iv2-accent), #9dd7f0);
}

.iv2-main {
  padding: 24px 0 64px;
}

.iv2-layout {
  width: min(1100px, 92vw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 860px) 220px;
  gap: 20px;
  justify-content: space-between;
}

.iv2-article {
  max-width: 860px;
}

.iv2-hero {
  margin-bottom: 34px;
}

.iv2-label {
  display: inline-block;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--iv2-accent);
}

.iv2-hero h1 {
  margin: 0 0 14px;
  color: var(--iv2-ink);
  font-size: clamp(2.2rem, 4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.iv2-abstract {
  margin: 0 0 18px;
  color: var(--iv2-muted);
  font-size: 1.1rem;
  line-height: 1.68;
}

.iv2-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 18px;
  font-size: 0.92rem;
  color: var(--iv2-muted);
}

.iv2-tags {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}

.iv2-tags span {
  border: 1px solid var(--iv2-line);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.78rem;
  background: var(--iv2-surface);
}

.iv2-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.iv2-btn-secondary {
  border: 1px solid var(--iv2-line);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 600;
  text-decoration: none;
  color: var(--iv2-ink);
  background: var(--iv2-surface);
}

.iv2-hero-media {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--iv2-line);
  background: var(--iv2-surface);
  box-shadow: var(--iv2-shadow);
}

.iv2-hero-media-wrap {
  position: relative;
}

.iv2-hero-media-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.08), rgba(15, 23, 42, 0.45));
  pointer-events: none;
}

.iv2-hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

.iv2-caption {
  padding: 10px 14px;
  margin: 0;
  color: var(--iv2-muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--iv2-line);
  background: var(--iv2-surface-alt);
}

.iv2-card {
  border: 1px solid var(--iv2-line);
  border-radius: 16px;
  background: var(--iv2-surface);
  box-shadow: var(--iv2-shadow);
  padding: clamp(18px, 3vw, 28px);
}

.iv2-section {
  margin-top: 46px;
}

.iv2-section p,
.iv2-section li,
.iv2-card p,
.iv2-card li {
  font-size: 18px;
  line-height: 1.7;
  color: var(--iv2-muted);
}

.iv2-section h2,
.iv2-card h2 {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 2.4vw, 34px);
  color: var(--iv2-ink);
  line-height: 1.2;
}

.iv2-section h3,
.iv2-card h3 {
  margin: 0 0 10px;
  color: var(--iv2-ink);
  font-size: 1.2rem;
}

.iv2-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.iv2-summary-note {
  grid-column: 1 / -1;
  border-top: 1px solid var(--iv2-line);
  padding-top: 12px;
}

.iv2-divider {
  border: 0;
  height: 1px;
  margin: 36px 0;
  background: linear-gradient(90deg, transparent, var(--iv2-line), transparent);
}

.iv2-signal-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.iv2-signal-list li {
  border: 1px solid var(--iv2-line);
  border-radius: 12px;
  background: var(--iv2-surface-alt);
  padding: 12px 14px;
}

.iv2-cap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.iv2-cap-card {
  border: 1px solid var(--iv2-line);
  border-radius: 12px;
  padding: 14px;
  background: var(--iv2-surface-alt);
}

.iv2-cap-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.iv2-cap-icon {
  display: inline-flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--iv2-line);
  color: var(--iv2-accent);
  background: var(--iv2-surface);
}

.iv2-cap-icon svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
}

.iv2-pullquote {
  margin: 24px 0 0;
  padding: 8px 0 8px 14px;
  border-left: 3px solid var(--iv2-accent);
  color: var(--iv2-ink);
  font-style: italic;
  font-size: 1.08rem;
}

.iv2-kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.iv2-kpi-card {
  border: 1px solid var(--iv2-line);
  border-radius: 12px;
  background: var(--iv2-surface-alt);
  padding: 14px;
}

.iv2-kpi-card h3 {
  margin-top: 0;
}

.iv2-efi {
  margin-top: 16px;
}

.iv2-efi-bar {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border: 1px solid var(--iv2-line);
  border-radius: 999px;
  overflow: hidden;
}

.iv2-efi-bar span {
  display: block;
  text-align: center;
  padding: 7px 6px;
  font-size: 0.82rem;
  font-weight: 600;
}

.iv2-efi-green {
  background: #dcfce7;
  color: #166534;
}

.iv2-efi-amber {
  background: #fef3c7;
  color: #92400e;
}

.iv2-efi-red {
  background: #fee2e2;
  color: #991b1b;
}

body[data-theme="dark"] .iv2-efi-green {
  background: #113a2a;
  color: #86efac;
}

body[data-theme="dark"] .iv2-efi-amber {
  background: #3f2f10;
  color: #fcd34d;
}

body[data-theme="dark"] .iv2-efi-red {
  background: #3c1717;
  color: #fca5a5;
}

.iv2-diagram svg {
  width: 100%;
  height: auto;
}

.iv2-board-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.iv2-board-list li {
  border: 1px solid var(--iv2-line);
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--iv2-surface-alt);
}

.iv2-path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.iv2-phase {
  border: 1px solid var(--iv2-line);
  border-radius: 12px;
  background: var(--iv2-surface-alt);
  padding: 14px;
}

.iv2-ref-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.iv2-ref-card {
  display: block;
  border: 1px solid var(--iv2-line);
  border-radius: 12px;
  background: var(--iv2-surface-alt);
  padding: 14px;
  text-decoration: none;
  color: inherit;
}

.iv2-ref-card:hover,
.iv2-ref-card:focus-visible {
  border-color: var(--iv2-accent);
}

.iv2-ref-meta {
  color: var(--iv2-muted);
  font-size: 0.9rem;
}

.iv2-ref-icon {
  font-size: 0.9rem;
  color: var(--iv2-accent);
}

.iv2-next {
  margin-top: 46px;
}

.iv2-next .iv2-btn-secondary {
  margin-left: 8px;
}

.iv2-toc {
  position: sticky;
  top: 108px;
  align-self: start;
  border: 1px solid var(--iv2-line);
  border-radius: 12px;
  background: var(--iv2-surface);
  padding: 14px;
}

.iv2-toc h3 {
  margin: 0 0 10px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iv2-ink);
}

.iv2-toc a {
  display: block;
  text-decoration: none;
  color: var(--iv2-muted);
  font-size: 0.88rem;
  padding: 6px 0;
}

.iv2-toc a:hover,
.iv2-toc a:focus-visible {
  color: var(--iv2-accent);
}

.iv2-h2 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.iv2-print-title {
  display: none;
}

.iv2-kicker {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iv2-accent);
}

.iv2-two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.iv2-mini-card {
  border: 1px solid var(--iv2-line);
  border-radius: 12px;
  padding: 14px;
  background: var(--iv2-surface-alt);
}

.iv2-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--iv2-line);
  border-radius: 12px;
  background: var(--iv2-surface);
}

.iv2-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.iv2-table th,
.iv2-table td {
  border-bottom: 1px solid var(--iv2-line);
  padding: 10px 12px;
  text-align: left;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--iv2-muted);
}

.iv2-table th {
  background: var(--iv2-surface-alt);
  color: var(--iv2-ink);
  font-weight: 600;
}

.iv2-table tr:last-child td {
  border-bottom: 0;
}

.iv2-table code {
  font-size: 0.82rem;
}

.iv2-copy-link {
  border: 1px solid var(--iv2-line);
  background: var(--iv2-surface);
  color: var(--iv2-muted);
  border-radius: 8px;
  font-size: 0.75rem;
  padding: 4px 8px;
  cursor: pointer;
}

.iv2-copy-link:hover,
.iv2-copy-link:focus-visible {
  color: var(--iv2-accent);
  border-color: var(--iv2-accent);
}

@media (max-width: 1080px) {
  .iv2-layout {
    grid-template-columns: minmax(0, 860px);
  }

  .iv2-toc {
    display: none;
  }
}

@media (max-width: 860px) {
  .iv2-main {
    padding-top: 14px;
  }

  .iv2-summary-grid,
  .iv2-two-col,
  .iv2-cap-grid,
  .iv2-kpi-grid,
  .iv2-path-grid,
  .iv2-ref-grid {
    grid-template-columns: 1fr;
  }

  .iv2-next .iv2-btn-secondary {
    margin-left: 0;
  }

  .iv2-section p,
  .iv2-section li,
  .iv2-card p,
  .iv2-card li {
    font-size: 17px;
  }
}

@media print {
  .site-header,
  .top-bar,
  .mobile-menu,
  .hero-actions,
  .overlay,
  .iv2-progress,
  .iv2-toc,
  .footer-social,
  .preloader,
  .post-back {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .iv2-main {
    padding: 0;
  }

  .iv2-layout,
  .iv2-article {
    width: 100%;
    max-width: 100%;
    display: block;
  }

  .iv2-card,
  .iv2-hero-media,
  .iv2-phase,
  .iv2-kpi-card,
  .iv2-ref-card,
  .iv2-mini-card,
  .iv2-table-wrap {
    break-inside: avoid;
    box-shadow: none;
  }

  .iv2-table {
    min-width: 0;
  }

  .iv2-print-title {
    display: block !important;
    margin: 0 0 0.2in;
    font-size: 12pt;
    color: #000;
  }

  .site-footer {
    margin-top: 24px;
  }

  @page {
    size: auto;
    margin: 0.6in;
    @bottom-right {
      content: counter(page);
    }
    @top-left {
      content: "3HUE Executive Advisory Brief";
    }
  }
}