/* Solution Article Template — 75/25 Layout with Sticky TOC */

/* Override article-body to use grid layout */
.article-body .c {
  max-width: 1100px;
}

.sa-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}

.sa-content {
  min-width: 0;
}

/* ── Sticky TOC ── */
.sa-toc {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,.04);
}

.sa-toc-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.sa-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sa-toc-item {
  margin-bottom: 4px;
}

.sa-toc-link {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-m);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
  line-height: 1.35;
  transition: all .2s;
  border-left: 2px solid transparent;
}

.sa-toc-link:hover {
  color: var(--text);
  background: var(--accent-glow);
}

.sa-toc-link.active {
  color: var(--accent);
  background: var(--accent-dim);
  border-left-color: var(--accent);
  font-weight: 600;
}

.sa-toc-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
}

.sa-toc-link.active .sa-toc-num {
  background: var(--accent);
  color: #fff;
}

/* Reading Progress */
.sa-reading-progress {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border);
  z-index: 99;
}

.sa-reading-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.1s linear;
}

/* ── Decorative Elements ── */

/* Key Insight Callout */
.sa-insight {
  position: relative;
  padding: 20px 24px 20px 56px;
  background: linear-gradient(135deg, rgba(30,58,95,0.04) 0%, rgba(30,58,95,0.01) 100%);
  border: 1px solid var(--accent-dim);
  border-radius: 10px;
  margin: 32px 0;
  font-size: 15px;
  color: var(--text-s);
  line-height: 1.65;
}

.sa-insight::before {
  content: '💡';
  position: absolute;
  left: 20px;
  top: 20px;
  font-size: 20px;
}

.sa-insight strong {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

/* Stat Highlight */
.sa-stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.sa-stat {
  text-align: center;
  padding: 20px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,.03);
}

.sa-stat-num {
  font-family: var(--font-d);
  font-size: 32px;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.sa-stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-m);
  line-height: 1.3;
}

/* Risk/Impact Table */
.sa-table-wrap {
  margin: 32px 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,.03);
}

.sa-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.sa-table thead {
  background: var(--accent);
}

.sa-table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #fff;
}

.sa-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-s);
  line-height: 1.5;
}

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

.sa-table tr:nth-child(even) td {
  background: var(--accent-glow);
}

/* Blockquote / Pull Quote */
.sa-pullquote {
  position: relative;
  padding: 24px 28px;
  margin: 32px 0;
  background: var(--bg-el);
  border-radius: 10px;
  font-family: var(--font-d);
  font-size: 20px;
  font-style: italic;
  line-height: 1.45;
  color: var(--text);
}

.sa-pullquote::before {
  content: '\201C';
  position: absolute;
  top: -8px;
  left: 16px;
  font-size: 56px;
  font-family: var(--font-d);
  color: var(--accent-dim);
  line-height: 1;
}

.sa-pullquote cite {
  display: block;
  font-family: var(--font-b);
  font-size: 13px;
  font-style: normal;
  font-weight: 600;
  color: var(--text-m);
  margin-top: 12px;
}

/* Numbered Steps */
.sa-steps {
  margin: 32px 0;
  counter-reset: step-counter;
}

.sa-step {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.sa-step:last-child {
  border-bottom: none;
}

.sa-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-d);
  font-size: 16px;
  border-radius: 50%;
  flex-shrink: 0;
}

.sa-step-body {
  flex: 1;
}

.sa-step-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.sa-step-desc {
  font-size: 14px;
  color: var(--text-s);
  line-height: 1.55;
}

/* Warning/Alert box */
.sa-warning {
  position: relative;
  padding: 20px 24px 20px 56px;
  background: rgba(139,105,20,0.06);
  border: 1px solid rgba(139,105,20,0.15);
  border-radius: 10px;
  margin: 32px 0;
  font-size: 15px;
  color: var(--text-s);
  line-height: 1.65;
}

.sa-warning::before {
  content: '⚠️';
  position: absolute;
  left: 20px;
  top: 20px;
  font-size: 20px;
}

.sa-warning strong {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #8B6914;
  margin-bottom: 6px;
}

/* ── Continue Your Journey (Interlinking) ── */
.sa-journey {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.sa-journey-title {
  font-family: var(--font-d);
  font-size: 24px;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 24px;
}

.sa-journey-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.sa-journey-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: all .2s;
  box-shadow: 0 1px 4px rgba(0,0,0,.03);
}

.sa-journey-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.06);
}

.sa-journey-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border-radius: 8px;
  font-size: 16px;
  flex-shrink: 0;
}

.sa-journey-text {
  flex: 1;
}

.sa-journey-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-m);
  margin-bottom: 4px;
}

.sa-journey-heading {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 2px;
}

.sa-journey-arrow {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

/* Divider with icon */
.sa-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 40px 0 32px;
  color: var(--text-m);
}

.sa-divider::before,
.sa-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.sa-divider span {
  font-size: 14px;
}

/* ── TOC CTA card ── */
.sa-toc-cta {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.sa-toc-cta a {
  display: block;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  padding: 10px 16px;
  border-radius: 6px;
  text-decoration: none;
  transition: all .2s;
}

.sa-toc-cta a:hover {
  background: #152C4A;
  transform: translateY(-1px);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .sa-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .sa-toc {
    position: relative;
    top: 0;
    max-height: none;
    margin-bottom: 32px;
    order: -1;
  }
  
  .sa-toc-collapse {
    display: block;
  }
  
  .sa-toc-list.collapsed {
    display: none;
  }
  
  .sa-toc-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
  }
  
  .sa-toc-toggle::after {
    content: '▼';
    font-size: 10px;
    color: var(--text-m);
    transition: transform .2s;
  }
  
  .sa-toc-toggle.open::after {
    transform: rotate(180deg);
  }
  
  .sa-journey-grid {
    grid-template-columns: 1fr;
  }
  
  .sa-stat-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 901px) {
  .sa-toc-toggle::after {
    display: none;
  }
}