*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Assistant", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: #334155;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   LAYOUT
   ============================================ */
.blog-layout {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 24px;
  gap: 60px;
}

/* ============================================
   SIDEBAR NAVIGATION
   ============================================ */
.blog-sidebar {
  position: sticky;
  top: 40px;
  width: 280px;
  min-width: 280px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  padding-right: 20px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.blog-sidebar::-webkit-scrollbar {
  display: none;
}

/* Close button — hidden on desktop */
.sidebar-close {
  display: none;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: "Assistant", sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #64748b;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.2s ease;
  margin-bottom: 16px;
}

.sidebar-close:hover {
  color: #bf3425;
  background: #fef7f6;
}

.sidebar-close svg {
  flex-shrink: 0;
}

.blog-sidebar-title {
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #9d9d9c;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-left: 12px;
}

.blog-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.blog-sidebar-link {
  font-family: "Assistant", sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: #64748b;
  padding: 10px 12px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
  display: block;
}

.blog-sidebar-link:hover {
  color: #47577c;
  background-color: #f8fafc;
}

.blog-sidebar-link.active {
  color: #bf3425;
  background-color: #fef7f6;
  font-weight: 700;
}

/* ============================================
   MOBILE NAV TOGGLE
   ============================================ */
.mobile-nav-toggle {
  display: none;
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1001;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #bf3425 0%, #9d2a1e 100%);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(191, 52, 37, 0.4);
  transition: all 0.3s ease;
  align-items: center;
  justify-content: center;
}

.mobile-nav-toggle:hover {
  transform: scale(1.1);
}

.mobile-nav-toggle svg {
  width: 24px;
  height: 24px;
  stroke: #ffffff;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.blog-content {
  flex: 1;
  max-width: 900px;
  min-width: 0;
}

/* ============================================
   BLOG META
   ============================================ */
.blog-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: #64748b;
  margin-bottom: 10px;
}

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

.blog-meta-icon {
  width: 16px;
  height: 16px;
  color: #64748b;
  flex-shrink: 0;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.blog-content h1 {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 2.75rem;
  line-height: 1.15;
  color: #1e293b;
  margin-bottom: 1.5rem;
}

.blog-content h2 {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 1.75rem;
  color: #1e293b;
  margin-top: 3.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #bf3425;
}

.blog-content h3 {
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  color: #47577c;
  margin-top: 2rem;
  margin-bottom: 0.875rem;
}

.blog-content h4 {
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: #1e293b;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.blog-content ul,
.blog-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.blog-content li {
  margin-bottom: 0.625rem;
  font-size: 1.0625rem;
}

.blog-content a {
  color: #47577c;
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
  transition: color 0.2s;
}

.blog-content a:hover {
  color: #bf3425;
}

/* Subtitle */
.subtitle {
  font-size: 1.25rem;
  font-style: italic;
  color: #47577c;
  margin-bottom: 2rem;
}

/* Drop Cap */
.drop-cap::first-letter {
  float: left;
  font-family: "Archivo", sans-serif;
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 0.8;
  color: #bf3425;
  margin-right: 12px;
  margin-top: 8px;
}

/* ============================================
   IMAGES
   ============================================ */
.full-width-image {
  width: 100%;
  border-radius: 12px;
  margin: 2rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  display: block;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.full-width-image:hover {
  transform: scale(1.01);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.image-caption {
  font-size: 0.875rem;
  color: #64748b;
  text-align: center;
  margin-top: 0.5rem;
  margin-bottom: 2rem;
  font-style: italic;
  line-height: 1.6;
}

/* ============================================
   SPLIT LAYOUT
   ============================================ */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  margin: 2.5rem 0;
}

.split-layout.reverse {
  direction: rtl;
}

.split-layout.reverse > * {
  direction: ltr;
}

.split-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  display: block;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.split-image img:hover {
  transform: scale(1.01);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.split-text h3 {
  margin-top: 0;
}

/* ============================================
   IMAGE GRID (3-UP)
   ============================================ */
.image-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 2rem 0;
}

.image-grid-item img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  display: block;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.image-grid-item img:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.14);
}

.image-grid-item .image-caption {
  margin-top: 0.5rem;
  margin-bottom: 0;
}

/* ============================================
   INTRO / HIGHLIGHT CARDS
   ============================================ */
.intro-card {
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  border-radius: 16px;
  padding: 2rem;
  margin: 2rem 0;
  border: 1px solid #e2e8f0;
  position: relative;
  overflow: hidden;
}

.intro-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #bf3425, #47577c);
}

.highlight-box {
  background: linear-gradient(135deg, #fef7f6 0%, #fff8f7 100%);
  border-radius: 12px;
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  border: 1px solid #fbd5d0;
}

.highlight-box p {
  margin-bottom: 0;
}

.highlight-box h4 {
  color: #bf3425;
  margin-top: 0;
}

.highlight-box.dark {
  background: linear-gradient(135deg, #1e293b 0%, #2d3a52 100%);
  border-color: #334155;
  color: #e2e8f0;
}

.highlight-box.dark h4 {
  color: #f87171;
}

.highlight-box.dark p {
  color: #cbd5e1;
  margin-bottom: 0;
}

/* ============================================
   FEATURE GRID
   ============================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 2rem 0;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.feature-item:hover {
  border-color: #47577c;
  box-shadow: 0 8px 25px -5px rgba(71, 87, 124, 0.15);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #47577c 0%, #1e293b 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ffffff;
  transition: background 0.3s;
}

.feature-item:hover .feature-icon {
  background: linear-gradient(135deg, #bf3425 0%, #9d2a1e 100%);
}

.feature-item h4 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.feature-item p {
  margin-bottom: 0;
  font-size: 0.9375rem;
  color: #475569;
}

/* ============================================
   STATS GRID
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.stat-card {
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: #bf3425;
  box-shadow: 0 8px 25px -5px rgba(191, 52, 37, 0.12);
  transform: translateY(-2px);
}

.stat-value {
  font-family: "Archivo", sans-serif;
  font-size: 1.625rem;
  font-weight: 700;
  color: #bf3425;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.4;
}

/* ============================================
   DATA TABLE
   ============================================ */
.data-table-container {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  background: #ffffff;
}

.data-table thead {
  background: linear-gradient(135deg, #1e293b 0%, #2d3a52 100%);
}

.data-table th {
  padding: 14px 16px;
  text-align: left;
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #f1f5f9;
  color: #334155;
  vertical-align: top;
}

.data-table tbody tr:hover {
  background-color: #f8fafc;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* ============================================
   INFOGRAPHIC PLACEHOLDERS
   ============================================ */
.infographic-placeholder {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border: 2px dashed #cbd5e1;
  border-radius: 12px;
  padding: 2.5rem 2rem;
  margin: 2.5rem 0;
  text-align: center;
  color: #64748b;
}

.infographic-label {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  color: #47577c;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.infographic-description {
  font-size: 0.9375rem;
  color: #64748b;
  line-height: 1.6;
}

/* ============================================
   LEARN MORE CARDS
   ============================================ */
.learn-more-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.learn-more-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.learn-more-card:hover {
  border-color: #bf3425;
  box-shadow: 0 8px 25px -5px rgba(191, 52, 37, 0.15);
  transform: translateY(-2px);
}

.learn-more-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #47577c 0%, #1e293b 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.3s;
  color: #ffffff;
}

.learn-more-card:hover .learn-more-icon {
  background: linear-gradient(135deg, #bf3425 0%, #9d2a1e 100%);
}

.learn-more-icon svg {
  width: 24px;
  height: 24px;
  color: #ffffff;
}

.learn-more-text {
  display: flex;
  flex-direction: column;
}

.learn-more-title {
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: #1e293b;
  transition: color 0.3s;
}

.learn-more-card:hover .learn-more-title {
  color: #bf3425;
}

.learn-more-desc {
  font-size: 0.875rem;
  color: #64748b;
  margin-top: 0.25rem;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, #fef7f6 0%, #ffffff 100%);
  border: 2px solid #bf3425;
  border-radius: 16px;
  padding: 2rem;
  margin: 2.5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #bf3425, #47577c);
}

.cta-section p {
  margin-bottom: 1.25rem;
  color: #1e293b;
  font-size: 1.125rem;
}

.cta-button {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, #bf3425 0%, #9d2a1e 100%);
  color: #ffffff !important;
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -5px rgba(191, 52, 37, 0.4);
  color: #ffffff !important;
}

/* ============================================
   REFERENCES LIST
   ============================================ */
.references-list {
  padding-left: 1.5rem;
}

.references-list li {
  font-size: 0.9375rem;
  color: #475569;
  margin-bottom: 1rem;
  line-height: 1.65;
}

.references-list a {
  font-weight: 400;
  word-break: break-all;
}

/* ============================================
   AUTHOR SECTION
   ============================================ */
.author-section {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid #e2e8f0;
}

.author-card {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid #e2e8f0;
}

.author-image-wrapper {
  flex-shrink: 0;
}

.author-image {
  width: 180px;
  height: 180px;
  border-radius: 16px;
  object-fit: cover;
  display: block;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
}

.author-info {
  flex: 1;
  min-width: 0;
}

.author-name {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: #1e293b;
  margin-bottom: 4px;
  text-decoration: underline;
  text-decoration-color: #bf3425;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.author-title {
  font-size: 1rem;
  font-weight: 600;
  color: #47577c;
  margin-bottom: 16px;
}

.author-social {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.author-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #f8fafc;
  border-radius: 10px;
  transition:
    transform 0.2s,
    background 0.2s;
  text-decoration: none;
}

.author-social a:hover {
  transform: scale(1.1);
  background: #e2e8f0;
}

.author-social svg {
  width: 24px;
  height: 24px;
}

.about-author-label {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  color: #bf3425;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.author-bio {
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.7;
  text-align: justify;
  margin: 0;
}

/* ============================================
   SECTION SCROLL MARGIN
   ============================================ */
section {
  scroll-margin-top: 40px;
}

/* ============================================
   RESPONSIVE — 1024px
   ============================================ */
@media (max-width: 1024px) {
  .blog-layout {
    flex-direction: column;
    gap: 32px;
  }

  /* Sidebar becomes horizontal pills on tablet */
  .blog-sidebar {
    position: relative;
    top: 0;
    width: 100%;
    min-width: 100%;
    max-height: none;
    padding-right: 0;
    padding-bottom: 24px;
    border-bottom: 1px solid #e2e8f0;
    align-self: auto;
  }

  .blog-sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .blog-sidebar-link {
    font-size: 13px;
    padding: 8px 12px;
  }

  .blog-content h1 {
    font-size: 2rem;
  }

  .split-layout {
    grid-template-columns: 1fr;
  }

  .split-layout.reverse {
    direction: ltr;
  }

  .split-layout.reverse > * {
    direction: ltr;
  }

  .feature-grid,
  .learn-more-container {
    grid-template-columns: 1fr;
  }

  .image-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .author-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .author-social {
    justify-content: center;
  }

  .author-bio {
    text-align: center;
  }
}

/* ============================================
   RESPONSIVE — 768px (Mobile, sidebar overlay)
   ============================================ */
@media (max-width: 768px) {
  /* Show hamburger button */
  .mobile-nav-toggle {
    display: flex;
  }

  /* Sidebar becomes full-screen overlay */
  .blog-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    background: #ffffff;
    z-index: 999;
    padding: 20px;
    overflow-y: auto;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    border-bottom: none;
    max-height: 100vh;
    align-self: auto;
  }

  .blog-sidebar.active {
    transform: translateY(0);
  }

  /* Show close button inside sidebar */
  .sidebar-close {
    display: flex;
  }

  .blog-sidebar-nav {
    flex-direction: column;
    gap: 4px;
  }

  .blog-sidebar-link {
    font-size: 16px;
    padding: 14px 16px;
    border-radius: 8px;
  }

  .blog-sidebar-title {
    font-size: 12px;
    margin-bottom: 20px;
    padding-top: 8px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .image-grid-3 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   RESPONSIVE — 640px
   ============================================ */
@media (max-width: 640px) {
  .blog-layout {
    padding: 20px 12px;
  }

  .blog-content h1 {
    font-size: 1.75rem;
  }

  .blog-content h2 {
    font-size: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .intro-card,
  .highlight-box {
    padding: 1.25rem;
  }

  .cta-button {
    width: 100%;
    text-align: center;
    padding: 1rem;
  }

  .learn-more-card {
    padding: 1rem;
  }

  .learn-more-icon {
    width: 40px;
    height: 40px;
  }

  .learn-more-icon svg {
    width: 20px;
    height: 20px;
  }

  .feature-item {
    flex-direction: column;
  }

  .feature-icon {
    width: 40px;
    height: 40px;
  }

  .author-image {
    width: 140px;
    height: 140px;
  }

  .author-card {
    padding: 1.25rem;
  }
}

/* ============================================
   RESPONSIVE — 480px
   ============================================ */
@media (max-width: 480px) {
  .blog-layout {
    padding: 16px 10px;
  }

  .blog-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .cta-section {
    padding: 1.25rem;
  }

  .author-image {
    width: 100px;
    height: 100px;
  }

  .learn-more-container {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .blog-sidebar,
  .mobile-nav-toggle,
  .cta-section,
  .author-social {
    display: none;
  }

  .blog-layout {
    display: block;
    padding: 0;
  }

  .blog-content {
    max-width: 100%;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   HIGH CONTRAST
   ============================================ */
@media (prefers-contrast: high) {
  .blog-sidebar-link.active {
    outline: 2px solid #bf3425;
  }

  .learn-more-card,
  .feature-item,
  .stat-card {
    border-width: 2px;
  }
}
/* INFOGRAPHIC PLACEHOLDER 1 */
.tb-container {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 28px 28px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  max-width: 900px;
  margin: 0 auto;
  box-sizing: border-box;
}

.tb-header {
  margin-bottom: 28px;
}
.tb-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 6px;
}
.tb-title {
  font-size: 20px;
  font-weight: 700;
  color: #47577c;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}
.tb-subtitle {
  font-size: 12px;
  color: #9d9d9c;
}

/* ── Two-column top section ── */
.tb-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 0;
}

/* ── Each bottleneck card ── */
.tb-card {
  border-radius: 12px;
  border: 1.5px solid #e2e8f0;
  overflow: hidden;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  cursor: default;
}
.tb-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(71, 87, 124, 0.12);
}

.tb-card-header {
  padding: 14px 18px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.tb-card.navy .tb-card-header {
  background: #47577c;
}
.tb-card.red .tb-card-header {
  background: #bf3425;
}

.tb-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tb-card.navy .tb-card-icon {
  background: rgba(255, 255, 255, 0.18);
}
.tb-card.red .tb-card-icon {
  background: rgba(255, 255, 255, 0.18);
}

.tb-card-icon svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tb-card-label {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.01em;
}

/* ── Scatter bullets ── */
.tb-card-body {
  padding: 14px 18px 16px;
  background: #fff;
}
.tb-trigger-label {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 10px;
}
.tb-scatter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.tb-scatter-item {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 12px;
  color: #475569;
  line-height: 1.45;
  padding: 7px 10px;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid #f1f5f9;
  transition:
    border-color 0.15s,
    background 0.15s;
}
.tb-card:hover .tb-scatter-item {
  border-color: #e2e8f0;
  background: #f8fafc;
}
.tb-scatter-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}
.tb-card.navy .tb-scatter-dot {
  background: #47577c;
}
.tb-card.red .tb-scatter-dot {
  background: #bf3425;
}

/* ── Problem label at bottom of each card ── */
.tb-problem-tag {
  margin-top: 12px;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.01em;
  line-height: 1.4;
}
.tb-card.navy .tb-problem-tag {
  background: #eef1f7;
  color: #47577c;
  border: 1.5px solid #c5cde0;
}
.tb-card.red .tb-problem-tag {
  background: #fdf1f0;
  color: #bf3425;
  border: 1.5px solid #f0b8b2;
}

/* ── SVG convergence arrows ── */
.tb-converge-wrap {
  position: relative;
  height: 72px;
  margin: 0 -28px;
}
.tb-converge-svg {
  width: 100%;
  height: 72px;
  display: block;
  overflow: visible;
}

/* ── Resolution banner ── */
.tb-resolution {
  margin: 0 0 0;
  border-radius: 12px;
  background: #47577c;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  cursor: default;
}
.tb-resolution:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(71, 87, 124, 0.22);
}
.tb-res-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tb-res-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.tb-res-text {
  flex: 1;
}
.tb-res-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 4px;
}
.tb-res-answer {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
}
.tb-res-sub {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 3px;
}

/* ── Two sub-outcomes ── */
.tb-outcomes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}
.tb-outcome {
  border-radius: 10px;
  padding: 13px 15px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1.5px solid #e2e8f0;
  background: #f8fafc;
  transition:
    border-color 0.18s,
    box-shadow 0.18s,
    transform 0.18s;
  cursor: default;
}
.tb-outcome:hover {
  border-color: #c5cde0;
  box-shadow: 0 4px 12px rgba(71, 87, 124, 0.08);
  transform: translateY(-2px);
}
.tb-outcome-num {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}
.tb-outcome:nth-child(1) .tb-outcome-num {
  background: #47577c;
}
.tb-outcome:nth-child(2) .tb-outcome-num {
  background: #bf3425;
}

.tb-outcome-title {
  font-size: 12px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 3px;
}
.tb-outcome-desc {
  font-size: 11px;
  color: #64748b;
  line-height: 1.45;
}

/* ── Scroll-reveal ── */
.tb-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}
.tb-reveal.tb-visible {
  opacity: 1;
  transform: translateY(0);
}
.tb-reveal-delay-1 {
  transition-delay: 0.1s;
}
.tb-reveal-delay-2 {
  transition-delay: 0.2s;
}
.tb-reveal-delay-3 {
  transition-delay: 0.3s;
}
.tb-reveal-delay-4 {
  transition-delay: 0.4s;
}
.tb-reveal-delay-5 {
  transition-delay: 0.5s;
}

@media (max-width: 600px) {
  .tb-columns {
    grid-template-columns: 1fr;
  }
  .tb-outcomes {
    grid-template-columns: 1fr;
  }
  .tb-converge-wrap {
    height: 56px;
  }
}
/* <!-- INFOGRAPHIC PLACEHOLDER 2 --> */
.sc-container {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 28px 28px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  max-width: 900px;
  margin: 0 auto;
  box-sizing: border-box;
}

.sc-header {
  margin-bottom: 28px;
}
.sc-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 6px;
}
.sc-title {
  font-size: 20px;
  font-weight: 700;
  color: #47577c;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}
.sc-subtitle {
  font-size: 12px;
  color: #9d9d9c;
}

/* ── Budget bar at top ── */
.sc-budget-bar-wrap {
  background: #f8fafc;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  padding: 16px 20px;
  margin-bottom: 28px;
}
.sc-budget-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.sc-budget-label {
  font-size: 11px;
  font-weight: 700;
  color: #47577c;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.sc-budget-total {
  font-size: 22px;
  font-weight: 800;
  color: #47577c;
}
.sc-budget-track {
  width: 100%;
  height: 14px;
  background: #e2e8f0;
  border-radius: 7px;
  overflow: hidden;
  position: relative;
}
.sc-budget-fill {
  height: 100%;
  border-radius: 7px;
  background: linear-gradient(
    90deg,
    #47577c 0%,
    #6b7a99 74%,
    #9d9d9c 74%,
    #9d9d9c 94%,
    #bf3425 94%
  );
  width: 0;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.sc-budget-segments {
  display: flex;
  margin-top: 7px;
  gap: 0;
}
.sc-seg {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  font-weight: 600;
}
.sc-seg-dot {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  flex-shrink: 0;
}
.sc-seg-navy {
  background: #47577c;
}
.sc-seg-gray {
  background: #9d9d9c;
}
.sc-seg-red {
  background: #bf3425;
}
.sc-seg-text {
  color: #475569;
}
.sc-seg + .sc-seg {
  margin-left: 16px;
}

/* ── Main pipeline ── */
.sc-pipeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── Stage card ── */
.sc-stage {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0 16px;
  align-items: stretch;
}

/* left rail: connector line + node */
.sc-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.sc-node {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  z-index: 1;
  position: relative;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.sc-stage:hover .sc-node {
  transform: scale(1.08);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}
.sc-node-navy {
  background: #47577c;
}
.sc-node-mid {
  background: #6b7a99;
}
.sc-node-gray {
  background: #9d9d9c;
}
.sc-node-red {
  background: #bf3425;
}

.sc-connector {
  width: 3px;
  flex: 1;
  min-height: 16px;
  background: #e2e8f0;
  margin: 3px 0;
}
.sc-connector.dashed {
  background: repeating-linear-gradient(
    to bottom,
    #9d9d9c 0px,
    #9d9d9c 5px,
    transparent 5px,
    transparent 10px
  );
}

/* right: card body */
.sc-card {
  border-radius: 12px;
  border: 1.5px solid #e2e8f0;
  padding: 14px 18px;
  margin-bottom: 4px;
  background: #fff;
  cursor: default;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s;
  position: relative;
  overflow: hidden;
}
.sc-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 4px 0 0 4px;
}
.sc-card.navy::before {
  background: #47577c;
}
.sc-card.mid::before {
  background: #6b7a99;
}
.sc-card.gray::before {
  background: #9d9d9c;
}
.sc-card.locked::before {
  background: #bf3425;
}

.sc-card:hover {
  transform: translateX(3px);
  box-shadow: 0 6px 20px rgba(71, 87, 124, 0.1);
  border-color: #c5cde0;
}
.sc-card.locked:hover {
  border-color: #f0b8b2;
}

.sc-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.sc-card-label {
  font-size: 13px;
  font-weight: 700;
  color: #1e293b;
}
.sc-run-badge {
  display: flex;
  align-items: center;
  gap: 5px;
}
.sc-run-count {
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
}
.sc-run-count.navy {
  color: #47577c;
}
.sc-run-count.mid {
  color: #6b7a99;
}
.sc-run-count.gray {
  color: #9d9d9c;
}
.sc-run-count.red {
  color: #bf3425;
}
.sc-run-label {
  font-size: 10px;
  font-weight: 600;
  color: #9d9d9c;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

/* dot grid showing runs */
.sc-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
}
.sc-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: #e2e8f0;
  transition: background 0.3s ease;
}
.sc-dot.filled-navy {
  background: #47577c;
}
.sc-dot.filled-mid {
  background: #6b7a99;
}
.sc-dot.filled-gray {
  background: #9d9d9c;
}
.sc-dot.filled-red {
  background: #bf3425;
}

/* action pills */
.sc-action-row {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.sc-action-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid transparent;
}
.sc-pill-train {
  background: #eef1f7;
  color: #47577c;
  border-color: #c5cde0;
}
.sc-pill-test {
  background: #fdf1f0;
  color: #bf3425;
  border-color: #f0b8b2;
}
.sc-pill-lock {
  background: #fff8f0;
  color: #9d6a00;
  border-color: #f0d9a8;
}
.sc-pill-icon {
  font-size: 12px;
}

/* note text */
.sc-note {
  font-size: 11px;
  color: #64748b;
  line-height: 1.5;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid #f1f5f9;
}
.sc-note strong {
  color: #1e293b;
}

/* locked card special styling */
.sc-card.locked {
  background: #fffbf9;
  border-color: #f0b8b2;
}

/* ── Arrow between stages ── */
.sc-arrow-wrap {
  display: flex;
  align-items: flex-start;
  gap: 0 16px;
}
.sc-arrow-rail {
  width: 56px;
  display: flex;
  justify-content: center;
}
.sc-arrow-body {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
}
.sc-arrow-line {
  height: 2px;
  flex: 1;
  background: repeating-linear-gradient(
    to right,
    #9d9d9c 0px,
    #9d9d9c 6px,
    transparent 6px,
    transparent 12px
  );
}
.sc-arrow-tag {
  font-size: 10.5px;
  font-weight: 700;
  color: #47577c;
  background: #eef1f7;
  border: 1px solid #c5cde0;
  border-radius: 5px;
  padding: 3px 10px;
  white-space: nowrap;
}
.sc-arrow-tag.red {
  color: #bf3425;
  background: #fdf1f0;
  border-color: #f0b8b2;
}

/* ── Scroll reveal ── */
.sc-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
}
.sc-reveal.sc-visible {
  opacity: 1;
  transform: translateY(0);
}
.sc-d1 {
  transition-delay: 0.05s;
}
.sc-d2 {
  transition-delay: 0.15s;
}
.sc-d3 {
  transition-delay: 0.25s;
}
.sc-d4 {
  transition-delay: 0.35s;
}
.sc-d5 {
  transition-delay: 0.45s;
}
.sc-d6 {
  transition-delay: 0.55s;
}
.sc-d7 {
  transition-delay: 0.65s;
}
.sc-d8 {
  transition-delay: 0.75s;
}

@media (max-width: 560px) {
  .sc-budget-total {
    font-size: 18px;
  }
  .sc-run-count {
    font-size: 17px;
  }
  .sc-dots {
    gap: 3px;
  }
  .sc-dot {
    width: 8px;
    height: 8px;
  }
}
/* <!-- INFOGRAPHIC PLACEHOLDER 3 --> */
.nrmse-container {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 28px 28px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  max-width: 900px;
  margin: 0 auto;
  box-sizing: border-box;
}
.nrmse-header {
  margin-bottom: 24px;
}
.nrmse-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 6px;
}
.nrmse-title {
  font-size: 20px;
  font-weight: 700;
  color: #47577c;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}
.nrmse-subtitle {
  font-size: 12px;
  color: #9d9d9c;
}

.nrmse-chart-wrap {
  position: relative;
  width: 100%;
  height: 340px;
}
@media (min-width: 640px) {
  .nrmse-chart-wrap {
    height: 380px;
  }
}

/* ── Verdict cards ── */
.nrmse-verdicts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}
.nrmse-verdict {
  border-radius: 10px;
  border: 1.5px solid #e2e8f0;
  padding: 12px 14px;
  cursor: default;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.nrmse-verdict:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}
.nrmse-verdict-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
}
.nrmse-verdict-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.nrmse-verdict-name {
  font-size: 12px;
  font-weight: 700;
  color: #1e293b;
}
.nrmse-verdict-values {
  font-size: 11px;
  color: #64748b;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
}
.nrmse-verdict-tag {
  display: inline-block;
  margin-top: 6px;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}
.tag-high {
  background: #fdf1f0;
  color: #bf3425;
}
.tag-noisy {
  background: #eef1f7;
  color: #47577c;
}
.tag-good {
  background: #eef1f7;
  color: #47577c;
  border: 1px solid #c5cde0;
}

/* ── Scroll reveal ── */
.nrmse-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
}
.nrmse-reveal.nrmse-visible {
  opacity: 1;
  transform: translateY(0);
}
.nrmse-d1 {
  transition-delay: 0.05s;
}
.nrmse-d2 {
  transition-delay: 0.2s;
}
.nrmse-d3 {
  transition-delay: 0.35s;
}

@media (max-width: 520px) {
  .nrmse-verdicts {
    grid-template-columns: 1fr;
  }
}
/* <!-- INFOGRAPHIC PLACEHOLDER 4 --> */
.gate-container {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 28px 28px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  max-width: 860px;
  margin: 0 auto;
  box-sizing: border-box;
}

.gate-header {
  margin-bottom: 28px;
}
.gate-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 6px;
}
.gate-title {
  font-size: 20px;
  font-weight: 700;
  color: #47577c;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}
.gate-subtitle {
  font-size: 12px;
  color: #9d9d9c;
}

/* ── Flow wrapper ── */
.gate-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
}

/* ── Generic node ── */
.gate-node {
  width: 100%;
  max-width: 420px;
  border-radius: 12px;
  padding: 14px 20px;
  text-align: center;
  cursor: default;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  position: relative;
}
.gate-node:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* flavours */
.gate-node-input {
  background: #47577c;
  border: 2px solid #47577c;
}
.gate-node-process {
  background: #eef1f7;
  border: 1.5px solid #c5cde0;
}
.gate-node-gate {
  background: #f8fafc;
  border: 2px solid #47577c;
  border-radius: 50px; /* diamond-ish pill */
}
.gate-node-final {
  background: #47577c;
  border: 2px solid #47577c;
}
.gate-node-clearance {
  background: #fdf7e8;
  border: 1.5px solid #e8c96a;
}

.gate-node-title {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}
.gate-node-input .gate-node-title {
  color: #fff;
}
.gate-node-process .gate-node-title {
  color: #47577c;
}
.gate-node-gate .gate-node-title {
  color: #47577c;
}
.gate-node-final .gate-node-title {
  color: #fff;
}
.gate-node-clearance .gate-node-title {
  color: #7a5a00;
}

.gate-node-sub {
  font-size: 11px;
  margin-top: 4px;
  line-height: 1.5;
}
.gate-node-input .gate-node-sub {
  color: rgba(255, 255, 255, 0.75);
}
.gate-node-process .gate-node-sub {
  color: #64748b;
}
.gate-node-gate .gate-node-sub {
  color: #64748b;
}
.gate-node-final .gate-node-sub {
  color: rgba(255, 255, 255, 0.75);
}
.gate-node-clearance .gate-node-sub {
  color: #8a6500;
}

/* ── Straight arrow ── */
.gate-arrow-straight {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin: 0;
}
.gate-arrow-shaft {
  width: 2px;
  height: 22px;
  background: #c5cde0;
}
.gate-arrow-head {
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid #c5cde0;
}

/* ── Branch section ── */
.gate-branch-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.gate-branch-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 2px;
}

/* horizontal split bar */
.gate-split-bar {
  display: flex;
  align-items: flex-start;
  width: 100%;
  max-width: 700px;
  gap: 0;
  position: relative;
}
/* vertical line from gate node center down to split */
.gate-v-down {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 28px;
  background: #c5cde0;
  transform: translateX(-50%);
}
/* horizontal crossbar */
.gate-h-bar {
  position: absolute;
  top: 28px;
  left: 0;
  right: 0;
  height: 2px;
  background: #c5cde0;
}
/* drop lines from crossbar to branch cards */
.gate-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.gate-drop-shaft {
  width: 2px;
  height: 22px;
  background: #c5cde0;
}
.gate-drop-head {
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid #c5cde0;
}

/* branch cards */
.gate-branch-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 50px; /* space for v-down + h-bar + drop */
}
.gate-branch-card {
  width: 100%;
  max-width: 290px;
  border-radius: 12px;
  padding: 14px 16px;
  cursor: default;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.gate-branch-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}
.gate-branch-card.feasible {
  background: #eef1f7;
  border: 1.5px solid #c5cde0;
}
.gate-branch-card.infeasible {
  background: #fdf1f0;
  border: 1.5px solid #f0b8b2;
}
.gate-branch-verdict {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 5px;
  margin-bottom: 8px;
}
.gate-branch-card.feasible .gate-branch-verdict {
  background: #47577c;
  color: #fff;
}
.gate-branch-card.infeasible .gate-branch-verdict {
  background: #bf3425;
  color: #fff;
}
.gate-branch-condition {
  font-size: 12px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 5px;
}
.gate-branch-card.infeasible .gate-branch-condition {
  color: #bf3425;
}
.gate-branch-detail {
  font-size: 11px;
  color: #64748b;
  line-height: 1.5;
}
.gate-branch-card.feasible .gate-branch-detail {
  color: #475569;
}

/* ── Reconverge arrow ── */
.gate-reconverge {
  width: 100%;
  max-width: 700px;
  display: flex;
  align-items: flex-end;
  gap: 0;
  position: relative;
  height: 44px;
  margin-top: 0;
}
.gate-reconverge-left {
  flex: 1;
  position: relative;
}
.gate-reconverge-right {
  flex: 1;
}
/* left leg: up from feasible branch center, right to midpoint */
.gate-reconv-svg {
  width: 100%;
  overflow: visible;
  display: block;
}

/* ── Scroll reveal ── */
.gate-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
}
.gate-reveal.gate-visible {
  opacity: 1;
  transform: translateY(0);
}
.gate-d1 {
  transition-delay: 0.05s;
}
.gate-d2 {
  transition-delay: 0.15s;
}
.gate-d3 {
  transition-delay: 0.25s;
}
.gate-d4 {
  transition-delay: 0.35s;
}
.gate-d5 {
  transition-delay: 0.45s;
}
.gate-d6 {
  transition-delay: 0.55s;
}
.gate-d7 {
  transition-delay: 0.65s;
}
.gate-d8 {
  transition-delay: 0.75s;
}
.gate-d9 {
  transition-delay: 0.85s;
}

@media (max-width: 580px) {
  .gate-split-bar {
    flex-direction: column;
    align-items: center;
    max-width: 100%;
  }
  .gate-v-down {
    display: none;
  }
  .gate-h-bar {
    display: none;
  }
  .gate-branch-col {
    padding-top: 14px;
    width: 100%;
  }
  .gate-branch-card {
    max-width: 100%;
  }
  .gate-drop {
    display: none;
  }
  .gate-reconverge {
    display: none;
  }
  .gate-branch-col + .gate-branch-col {
    margin-top: 12px;
  }
}
/* <!-- INFOGRAPHIC PLACEHOLDER 5 --> */
.pareto-container {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 28px 28px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  max-width: 900px;
  margin: 0 auto;
  box-sizing: border-box;
}
.pareto-header {
  margin-bottom: 22px;
}
.pareto-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 6px;
}
.pareto-title {
  font-size: 20px;
  font-weight: 700;
  color: #47577c;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}
.pareto-subtitle {
  font-size: 12px;
  color: #9d9d9c;
}

.pareto-chart-wrap {
  position: relative;
  width: 100%;
  height: 380px;
}
@media (min-width: 640px) {
  .pareto-chart-wrap {
    height: 420px;
  }
}

/* ── Branch summary cards ── */
.pareto-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}
.pareto-card {
  border-radius: 10px;
  border: 1.5px solid #e2e8f0;
  padding: 14px 16px;
  cursor: default;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.pareto-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.09);
}
.pareto-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.pareto-card-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}
.pareto-card-label {
  font-size: 13px;
  font-weight: 700;
  color: #1e293b;
}
.pareto-card-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 5px;
}
.pareto-card.branch-i .pareto-card-badge {
  background: #eef1f7;
  color: #47577c;
}
.pareto-card.branch-ii .pareto-card-badge {
  background: #fdf1f0;
  color: #bf3425;
}

.pareto-stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #64748b;
  line-height: 1.8;
}
.pareto-stat-row span:last-child {
  font-weight: 600;
  color: #1e293b;
  font-variant-numeric: tabular-nums;
}

/* ── Gap note ── */
.pareto-gap-note {
  margin-top: 14px;
  background: #f8fafc;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  padding: 12px 16px;
  font-size: 12px;
  color: #475569;
  line-height: 1.6;
}
.pareto-gap-note strong {
  color: #47577c;
}

/* ── Reveal ── */
.pareto-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
}
.pareto-reveal.pareto-visible {
  opacity: 1;
  transform: translateY(0);
}
.pareto-d1 {
  transition-delay: 0.05s;
}
.pareto-d2 {
  transition-delay: 0.2s;
}
.pareto-d3 {
  transition-delay: 0.35s;
}
.pareto-d4 {
  transition-delay: 0.5s;
}

@media (max-width: 520px) {
  .pareto-cards {
    grid-template-columns: 1fr;
  }
}
/* <!-- INFOGRAPHIC PLACEHOLDER 6 --> */
.fev-container {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 28px 28px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  max-width: 860px;
  margin: 0 auto;
  box-sizing: border-box;
}
.fev-header {
  margin-bottom: 26px;
}
.fev-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 6px;
}
.fev-title {
  font-size: 20px;
  font-weight: 700;
  color: #47577c;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}
.fev-subtitle {
  font-size: 12px;
  color: #9d9d9c;
}

/* ── Cap line info strip ── */
.fev-cap-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fdf7ee;
  border: 1.5px dashed #e8c96a;
  border-radius: 10px;
  padding: 10px 16px;
  margin-bottom: 24px;
}
.fev-cap-icon {
  font-size: 16px;
  flex-shrink: 0;
}
.fev-cap-text {
  font-size: 12px;
  color: #7a5a00;
  line-height: 1.5;
}
.fev-cap-text strong {
  color: #5a4200;
  font-size: 13px;
}

/* ── Row cards ── */
.fev-rows {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fev-row {
  border-radius: 12px;
  border: 1.5px solid #e2e8f0;
  padding: 16px 20px;
  cursor: default;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}
.fev-row:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.09);
}
.fev-row.accept {
  border-color: #c5cde0;
}
.fev-row.reject {
  border-color: #f0b8b2;
  background: #fffbfb;
}

/* top meta row */
.fev-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.fev-candidate {
  font-size: 15px;
  font-weight: 800;
  color: #1e293b;
  letter-spacing: 0.02em;
}
.fev-branch-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.fev-branch-i {
  background: #eef1f7;
  color: #47577c;
  border: 1px solid #c5cde0;
}
.fev-branch-ii {
  background: #fdf1f0;
  color: #bf3425;
  border: 1px solid #f0b8b2;
}

.fev-pof-pill {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 5px;
  color: #475569;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
}
.fev-pof-pill span {
  font-weight: 800;
  color: #47577c;
}

.fev-verdict-badge {
  margin-left: auto;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 6px;
}
.fev-row.accept .fev-verdict-badge {
  background: #47577c;
  color: #fff;
}
.fev-row.reject .fev-verdict-badge {
  background: #bf3425;
  color: #fff;
}

/* ── Stress bar track ── */
.fev-bar-wrap {
  position: relative;
  width: 100%;
  height: 36px;
}
.fev-bar-track {
  width: 100%;
  height: 20px;
  border-radius: 4px;
  background: #f1f5f9;
  overflow: visible;
  position: relative;
  margin-top: 8px;
}
.fev-bar-fill {
  height: 100%;
  border-radius: 4px 0 0 4px;
  width: 0;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}
.fev-row.accept .fev-bar-fill {
  background: #47577c;
}
.fev-row.reject .fev-bar-fill {
  background: #bf3425;
}

/* overflow stripe for reject */
.fev-bar-overflow {
  position: absolute;
  top: 0;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    rgba(191, 52, 37, 0.25) 0px,
    rgba(191, 52, 37, 0.25) 4px,
    transparent 4px,
    transparent 8px
  );
  border-radius: 0 4px 4px 0;
  width: 0;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
}

/* cap line */
.fev-cap-line {
  position: absolute;
  top: 0;
  height: 100%;
  width: 2px;
  background: #e8a000;
  z-index: 10;
}
.fev-cap-line::after {
  content: "410.4 MPa";
  position: absolute;
  top: -17px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 9px;
  font-weight: 700;
  color: #9d6a00;
  white-space: nowrap;
  background: #fdf7ee;
  padding: 1px 5px;
  border-radius: 3px;
}

/* stress label right of bar */
.fev-stress-label {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  font-weight: 700;
}
.fev-row.accept .fev-stress-label {
  color: #47577c;
}
.fev-row.reject .fev-stress-label {
  color: #bf3425;
}

/* axis ticks below bar */
.fev-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  padding: 0 0;
  font-size: 9.5px;
  color: #9d9d9c;
  font-variant-numeric: tabular-nums;
}

/* ── Key insight box ── */
.fev-insight {
  margin-top: 20px;
  background: #eef1f7;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 12px;
  color: #475569;
  line-height: 1.7;
}
.fev-insight strong {
  color: #47577c;
}
.fev-insight .red {
  color: #bf3425;
  font-weight: 700;
}

/* ── Reveal ── */
.fev-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
}
.fev-reveal.fev-visible {
  opacity: 1;
  transform: translateY(0);
}
.fev-d1 {
  transition-delay: 0.05s;
}
.fev-d2 {
  transition-delay: 0.15s;
}
.fev-d3 {
  transition-delay: 0.25s;
}
.fev-d4 {
  transition-delay: 0.35s;
}
.fev-d5 {
  transition-delay: 0.45s;
}
.fev-d6 {
  transition-delay: 0.55s;
}
/* <!-- INFOGRAPHIC PLACEHOLDER 7 --> */
.spd-container {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 28px 28px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  max-width: 860px;
  margin: 0 auto;
  box-sizing: border-box;
}
.spd-header {
  margin-bottom: 28px;
}
.spd-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 6px;
}
.spd-title {
  font-size: 20px;
  font-weight: 700;
  color: #47577c;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}
.spd-subtitle {
  font-size: 12px;
  color: #9d9d9c;
}

/* ── Timeline bars ── */
.spd-bars {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 30px;
}

.spd-bar-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.spd-bar-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.spd-bar-label {
  font-size: 12px;
  font-weight: 700;
  color: #1e293b;
  display: flex;
  align-items: center;
  gap: 7px;
}
.spd-bar-label-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}
.spd-bar-time {
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.spd-bar-time.navy {
  color: #47577c;
}
.spd-bar-time.gray {
  color: #9d9d9c;
}

.spd-bar-track {
  width: 100%;
  height: 28px;
  background: #f1f5f9;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.spd-bar-fill {
  height: 100%;
  border-radius: 6px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  align-items: center;
  padding-left: 10px;
  white-space: nowrap;
  font-size: 10.5px;
  font-weight: 700;
  color: #fff;
  overflow: hidden;
}
.spd-bar-fill.fe {
  background: #47577c;
}
.spd-bar-fill.surr {
  background: #9d9d9c;
  min-width: 3px;
}
.spd-bar-fill.surr-text {
  color: #fff;
  font-size: 10px;
}

/* tick marks */
.spd-ticks {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  font-size: 9.5px;
  color: #c0c8d2;
  font-variant-numeric: tabular-nums;
}

/* ── Speedup cards ── */
.spd-speedup-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 12px;
}
.spd-speedup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
.spd-speedup-card {
  border-radius: 12px;
  border: 1.5px solid #e2e8f0;
  padding: 16px 18px;
  cursor: default;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}
.spd-speedup-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(71, 87, 124, 0.12);
}
.spd-speedup-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 0 0 10px 10px;
}
.spd-speedup-card.card-a::after {
  background: #47577c;
}
.spd-speedup-card.card-b::after {
  background: #bf3425;
}

.spd-speedup-mode {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9d9d9c;
  margin-bottom: 6px;
}
.spd-speedup-num {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -0.5px;
}
.spd-speedup-card.card-a .spd-speedup-num {
  color: #47577c;
}
.spd-speedup-card.card-b .spd-speedup-num {
  color: #bf3425;
}
.spd-speedup-num sup {
  font-size: 14px;
  vertical-align: super;
}
.spd-speedup-sub {
  font-size: 11px;
  color: #64748b;
}

/* ── Production-grade note ── */
.spd-prod-note {
  background: #f8fafc;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  padding: 14px 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}
.spd-prod-text {
  font-size: 12px;
  color: #475569;
  line-height: 1.65;
}
.spd-prod-text strong {
  color: #47577c;
}
.spd-prod-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
}
.spd-prod-badge-num {
  font-size: 22px;
  font-weight: 800;
  color: #bf3425;
  line-height: 1;
}
.spd-prod-badge-num sup {
  font-size: 12px;
}
.spd-prod-badge-label {
  font-size: 9.5px;
  font-weight: 700;
  color: #9d9d9c;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Reveal ── */
.spd-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
}
.spd-reveal.spd-visible {
  opacity: 1;
  transform: translateY(0);
}
.spd-d1 {
  transition-delay: 0.05s;
}
.spd-d2 {
  transition-delay: 0.18s;
}
.spd-d3 {
  transition-delay: 0.3s;
}
.spd-d4 {
  transition-delay: 0.42s;
}
.spd-d5 {
  transition-delay: 0.54s;
}

@media (max-width: 520px) {
  .spd-speedup-grid {
    grid-template-columns: 1fr;
  }
  .spd-prod-note {
    grid-template-columns: 1fr;
  }
  .spd-prod-badge {
    flex-direction: row;
    gap: 8px;
  }
}