/**
 * Security Page Styles
 * Code Solutions LLC
 */

/* =============================================================================
   SECURITY PRINCIPLES GRID
   ============================================================================= */

.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.principle-card {
  text-align: center;
  padding: var(--space-6);
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.principle-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.principle-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: color-mix(in srgb, var(--color-accent-600) 15%, transparent);
  color: var(--color-accent-600);
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-4);
}

.principle-card h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.principle-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* =============================================================================
   ARCHITECTURE DIAGRAM
   ============================================================================= */

.architecture-diagram {
  max-width: 900px;
  margin: 0 auto var(--space-12);
}

.diagram-container {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  overflow: hidden;
}

.hypervisor-layer {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-900));
  color: white;
  padding: var(--space-4);
  text-align: center;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.layer-label {
  font-weight: var(--font-semibold);
  font-size: var(--text-lg);
}

.vm-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
}

.vm-box {
  background-color: var(--color-bg-secondary);
  border: 2px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  transition: transform var(--transition-base);
}

.vm-box:hover {
  transform: translateY(-2px);
}

.vm-work {
  border-color: var(--color-info-600);
}

.vm-prod,
.vm-vault,
.vm-backup {
  border-color: var(--color-success-600);
}

.vm-dom0 {
  border-color: var(--color-warning-600);
}

.vm-header {
  margin-bottom: var(--space-3);
}

.vm-name {
  display: block;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.vm-role {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.vm-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  padding: var(--space-2);
  border-radius: var(--radius-md);
}

.vm-status-network {
  background-color: color-mix(in srgb, var(--color-info-600) 15%, transparent);
  color: var(--color-info-600);
}

.vm-status-airgap {
  background-color: color-mix(in srgb, var(--color-success-600) 15%, transparent);
  color: var(--color-success-600);
}

.diagram-legend {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-6);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-sm);
  border: 2px solid;
}

.legend-network {
  border-color: var(--color-info-600);
  background-color: color-mix(in srgb, var(--color-info-600) 20%, transparent);
}

.legend-airgap {
  border-color: var(--color-success-600);
  background-color: color-mix(in srgb, var(--color-success-600) 20%, transparent);
}

/* =============================================================================
   BENEFITS GRID
   ============================================================================= */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.benefit-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-base);
}

.benefit-card:hover {
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: color-mix(in srgb, var(--color-accent-600) 15%, transparent);
  color: var(--color-accent-600);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.benefit-card h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.benefit-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* =============================================================================
   COMPLIANCE TABLE
   ============================================================================= */

.compliance-table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--space-8);
}

.compliance-matrix th:first-child,
.compliance-matrix td:first-child {
  width: 25%;
}

.compliance-matrix th:nth-child(2),
.compliance-matrix td:nth-child(2) {
  width: 20%;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.compliance-matrix th:nth-child(3),
.compliance-matrix td:nth-child(3) {
  width: 55%;
}

.compliance-cta {
  margin-top: var(--space-8);
}

.compliance-cta p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* =============================================================================
   SECURITY FEATURES
   ============================================================================= */

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-base);
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: color-mix(in srgb, var(--color-accent-600) 15%, transparent);
  color: var(--color-accent-600);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.feature-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

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

.feature-list li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  background-color: var(--color-success-600);
  border-radius: var(--radius-full);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke-width='3' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='m4.5 12.75 6 6 9-13.5' /%3E%3C/svg%3E");
  background-size: 10px;
  background-position: center;
  background-repeat: no-repeat;
}

.feature-list li strong {
  color: var(--color-text-primary);
}

/* =============================================================================
   THREAT MODEL
   ============================================================================= */

.threat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.threat-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: box-shadow var(--transition-base);
}

.threat-card:hover {
  box-shadow: var(--shadow-md);
}

.threat-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.threat-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.threat-icon-malware {
  background-color: color-mix(in srgb, var(--color-error-600) 15%, transparent);
  color: var(--color-error-600);
}

.threat-icon-exfil {
  background-color: color-mix(in srgb, var(--color-warning-600) 15%, transparent);
  color: var(--color-warning-600);
}

.threat-icon-insider {
  background-color: color-mix(in srgb, var(--color-info-600) 15%, transparent);
  color: var(--color-info-600);
}

.threat-icon-supply {
  background-color: color-mix(in srgb, var(--color-primary-600) 15%, transparent);
  color: var(--color-primary-600);
}

.threat-icon-creds {
  background-color: color-mix(in srgb, var(--color-error-600) 15%, transparent);
  color: var(--color-error-600);
}

.threat-icon-quantum {
  background-color: color-mix(in srgb, var(--color-accent-600) 15%, transparent);
  color: var(--color-accent-600);
}

.threat-header h4 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.threat-mitigation {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

.threat-mitigation strong {
  color: var(--color-success-600);
}

/* Security Boundaries */
.boundaries-section {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.boundaries-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--space-6);
}

.boundaries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.boundary-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.boundary-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: color-mix(in srgb, var(--color-accent-600) 15%, transparent);
  color: var(--color-accent-600);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.boundary-item strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.boundary-item p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* =============================================================================
   STANDARDS GRID
   ============================================================================= */

.standards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.standard-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: box-shadow var(--transition-base);
}

.standard-card:hover {
  box-shadow: var(--shadow-md);
}

.standard-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: color-mix(in srgb, var(--color-accent-600) 15%, transparent);
  color: var(--color-accent-600);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.standard-card h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.standard-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* Documentation CTA */
.documentation-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  gap: var(--space-8);
}

.cta-content h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.cta-content p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* =============================================================================
   OPERATIONAL PRACTICES
   ============================================================================= */

.practices-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.practice-item {
  display: flex;
  gap: var(--space-4);
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-base);
}

.practice-item:hover {
  box-shadow: var(--shadow-md);
}

.practice-number {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-accent-600);
  line-height: 1;
  flex-shrink: 0;
}

.practice-content h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.practice-content p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* =============================================================================
   CTA SECTION
   ============================================================================= */

.section-cta {
  background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-900));
}

.cta-box {
  text-align: center;
  padding: var(--space-8);
}

.cta-box h2 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: white;
  margin-bottom: var(--space-4);
}

.cta-box p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

.cta-buttons .btn-primary {
  background-color: var(--color-accent-500);
}

.cta-buttons .btn-primary:hover {
  background-color: var(--color-accent-400);
}

.cta-buttons .btn-secondary {
  background-color: transparent;
  border-color: white;
  color: white;
}

.cta-buttons .btn-secondary:hover {
  background-color: white;
  color: var(--color-primary-900);
}

/* =============================================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================================= */

@media (max-width: 1024px) {
  .principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .vm-grid .vm-backup,
  .vm-grid .vm-dom0 {
    grid-column: span 1;
  }

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

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

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

  .documentation-cta {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .principles-grid {
    grid-template-columns: 1fr;
  }

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

  .vm-grid .vm-dom0 {
    grid-column: span 2;
  }

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

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

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

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

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

  .diagram-legend {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .vm-grid {
    grid-template-columns: 1fr;
  }

  .vm-grid .vm-dom0 {
    grid-column: span 1;
  }
}