/* ===== Compare Pages Shared Styles ===== */

/* --- Hero --- */
.compare-hero {
  padding: calc(var(--nav-height) + 60px) 0 48px;
  text-align: center;
}

.compare-hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 24px;
}

.compare-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 20px;
}

.compare-hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

.compare-breadcrumb {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  transition: color 0.2s;
}

.compare-breadcrumb:hover {
  color: var(--accent);
}

/* --- Nav active state --- */
.nav-link-active {
  color: var(--accent) !important;
}

/* --- Approaches Grid (index page) --- */
.approaches-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.approach-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.approach-card:hover {
  transform: translateY(-2px);
}

.approach-card-highlight {
  border-color: var(--accent);
  background: linear-gradient(165deg, rgba(20, 184, 166, 0.08) 0%, var(--bg-card) 60%);
  box-shadow: 0 0 30px rgba(20, 184, 166, 0.1), 0 0 0 1px rgba(20, 184, 166, 0.2);
  transform: scale(1.03);
}

.approach-card-highlight:hover {
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(20, 184, 166, 0.15), 0 0 0 1px rgba(20, 184, 166, 0.3);
}

.approach-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.approach-advisory .approach-icon { background: rgba(245, 158, 11, 0.1); color: var(--accent2); }
.approach-pattern .approach-icon { background: rgba(239, 68, 68, 0.1); color: var(--red); }
.approach-formal .approach-icon { background: var(--accent-glow); color: var(--accent); }

.approach-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.approach-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.approach-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 20px;
}

.approach-traits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.approach-traits li {
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.approach-traits li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.trait-strong::before { background: var(--green); }
.trait-ok::before { background: var(--yellow); }
.trait-weak::before { background: var(--red); }

.trait-strong { color: var(--text-primary); }
.trait-ok { color: var(--text-secondary); }
.trait-weak { color: var(--text-muted); }

.approach-examples {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding-top: 16px;
  border-top: 1px solid var(--border);
  letter-spacing: 0.01em;
}

.approach-card-highlight .approach-examples {
  color: var(--accent);
}

/* --- Compare Link Cards (index page) --- */
.compare-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.compare-link-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
  display: block;
}

.compare-link-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.compare-link-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.compare-link-header h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.compare-link-header svg {
  color: var(--text-muted);
  transition: transform 0.2s;
}

.compare-link-card:hover .compare-link-header svg {
  transform: translateX(4px);
  color: var(--accent);
}

.compare-link-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 16px;
}

.compare-link-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.compare-tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
}

/* --- Versus Diagram (corridor page) --- */
.versus-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: start;
  margin-top: 16px;
}

.versus-side {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}

.versus-us {
  border-color: rgba(20, 184, 166, 0.3);
  background: linear-gradient(165deg, rgba(20, 184, 166, 0.04) 0%, var(--bg-card) 50%);
}

.versus-label {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 24px;
  text-align: center;
}

.versus-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.versus-step {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  width: 100%;
  text-align: center;
}

.versus-step-highlight-them {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.06);
  color: var(--accent2);
  font-weight: 500;
}

.versus-step-highlight-us {
  border-color: rgba(20, 184, 166, 0.4);
  background: rgba(20, 184, 166, 0.06);
  color: var(--accent);
  font-weight: 500;
}

.versus-step-gap {
  border-style: dashed;
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--text-muted);
}

.versus-arrow {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
  padding: 2px 0;
}

.versus-verdict {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
}

.versus-verdict-weak {
  background: rgba(245, 158, 11, 0.08);
  color: var(--accent2);
}

.versus-verdict-strong {
  background: var(--accent-glow);
  color: var(--accent);
}

.versus-divider {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-muted);
  align-self: center;
  padding-top: 60px;
}

/* --- Comparison Table --- */
.compare-table-wrap {
  overflow-x: auto;
  margin-top: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  padding: 16px 22px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table thead th {
  background: var(--bg-card);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 18px 22px;
}

.compare-th-us {
  color: var(--accent) !important;
  min-width: 280px;
  background: linear-gradient(180deg, rgba(20, 184, 166, 0.08) 0%, rgba(20, 184, 166, 0.03) 100%) !important;
  border-left: 2px solid var(--accent) !important;
}

.compare-th-them {
  min-width: 280px;
}

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

.compare-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.015);
}

.compare-table tbody tr:hover .compare-us {
  background: rgba(20, 184, 166, 0.04);
}

.compare-feature {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  width: 180px;
}

.compare-us {
  color: var(--text-primary);
  border-left: 2px solid rgba(20, 184, 166, 0.2);
  background: rgba(20, 184, 166, 0.02);
}

.compare-them {
  color: var(--text-secondary);
}

.compare-check::before {
  content: '\2713';
  margin-right: 6px;
  color: var(--green);
}

/* --- Problem Grid --- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.problem-number {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.problem-card code {
  font-size: 0.82em;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
}

/* --- Evidence Callout --- */
.evidence-callout {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.06) 0%, rgba(20, 184, 166, 0.02) 100%);
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 40px;
}

.evidence-callout-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  color: var(--accent);
}

.evidence-callout h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--accent-light);
}

.evidence-callout p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.evidence-callout strong {
  color: var(--text-primary);
}

/* --- Mechanism Grid --- */
.mechanism-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.mechanism-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
}

.mechanism-step {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 14px;
}

.mechanism-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.mechanism-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.mechanism-card strong {
  color: var(--red);
}

/* --- Fair Grid --- */
.fair-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.fair-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.fair-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.fair-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Enumeration Diagram (SAST page) --- */
.enum-diagram {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 16px;
}

.enum-side {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.enum-acutis {
  border-color: rgba(20, 184, 166, 0.3);
  background: linear-gradient(165deg, rgba(20, 184, 166, 0.04) 0%, var(--bg-card) 50%);
}

.enum-side h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-align: center;
}

.enum-example {
  margin-bottom: 20px;
}

.enum-example:last-child {
  margin-bottom: 0;
}

.enum-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.code-block-sm {
  font-size: 0.78rem !important;
  padding: 12px 14px !important;
}

.code-block-sm pre {
  margin: 0;
}

.enum-result {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

.enum-result code {
  font-size: 0.78em;
  background: rgba(255, 255, 255, 0.05);
  padding: 1px 5px;
  border-radius: 3px;
}

.enum-result-found {
  background: var(--accent-glow);
  color: var(--accent);
}

.enum-result-missed {
  background: var(--red-glow);
  color: var(--red);
}

/* --- CTA subtitle --- */
.cta-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .approaches-grid {
    grid-template-columns: 1fr;
  }

  .compare-links-grid {
    grid-template-columns: 1fr;
  }

  .versus-diagram {
    grid-template-columns: 1fr;
  }

  .versus-divider {
    text-align: center;
    padding-top: 0;
  }

  .problem-grid,
  .fair-grid {
    grid-template-columns: 1fr;
  }

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

  .enum-diagram {
    grid-template-columns: 1fr;
  }

  .compare-table {
    font-size: 0.82rem;
  }

  .compare-feature {
    width: auto;
  }
}

@media (max-width: 600px) {
  .mechanism-grid {
    grid-template-columns: 1fr;
  }
}