@layer base {
  .section {
    padding: var(--spacing-16) 0;
    background: var(--surface);
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
  }

  .header {
    text-align: center;
    margin-bottom: var(--spacing-12);
  }

  .title {
    font-family: var(--font-family-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: var(--spacing-4);
  }

  .description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
  }

  .certifications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-16);
  }

  .certification {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--animation-duration-normal) ease;
  }

  .certification:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
  }

  .certHeader {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--border);
  }

  .certLogo {
    width: 4rem;
    height: 4rem;
    position: relative;
    flex-shrink: 0;
  }

  .logoImage {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius);
  }

  .logoFallback {
    display: none;
    width: 100%;
    height: 100%;
    background: var(--primary);
    color: var(--primary-foreground);
    border-radius: var(--radius);
    align-items: center;
    justify-content: center;
  }

  .logoFallback svg {
    width: 2rem;
    height: 2rem;
  }

  .certInfo {
    flex: 1;
  }

  .certName {
    font-family: var(--font-family-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: var(--spacing-1);
  }

  .certIssuer {
    color: var(--muted-foreground);
    font-size: 0.875rem;
  }

  .certStatus {
    flex-shrink: 0;
  }

  .statusBadge {
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .statusBadge.valid {
    background: var(--success);
    color: var(--success-foreground);
  }

  .statusBadge.expired {
    background: var(--error);
    color: var(--error-foreground);
  }

  .certContent {
    padding: var(--spacing-6);
  }

  .certDescription {
    color: var(--muted-foreground);
    line-height: 1.5;
    margin-bottom: var(--spacing-4);
  }

  .certDetails {
    margin-bottom: var(--spacing-4);
  }

  .certDetail {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: 0.875rem;
  }

  .detailIcon {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
    flex-shrink: 0;
  }

  .detailLabel {
    color: var(--muted-foreground);
  }

  .detailValue {
    color: var(--foreground);
    font-weight: 500;
  }

  .certActions {
    margin-top: var(--spacing-4);
  }

  .verifyLink {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--animation-duration-fast) ease;
  }

  .verifyLink:hover {
    color: color-mix(in srgb, var(--primary), black 20%);
  }

  .linkIcon {
    width: 1rem;
    height: 1rem;
  }

  .compliance {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-8);
  }

  .complianceTitle {
    font-family: var(--font-family-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: var(--spacing-6);
    text-align: center;
  }

  .complianceGrid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
  }

  .complianceItem {
    text-align: center;
  }

  .complianceItem h4 {
    font-family: var(--font-family-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-2);
  }

  .complianceItem p {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    line-height: 1.5;
  }

  /* Responsive design */
  @media (max-width: 768px) {
    .title {
      font-size: 2rem;
    }

    .certifications {
      grid-template-columns: 1fr;
      gap: var(--spacing-4);
    }

    .certHeader {
      padding: var(--spacing-4);
      gap: var(--spacing-3);
    }

    .certLogo {
      width: 3rem;
      height: 3rem;
    }

    .certName {
      font-size: 1.125rem;
    }

    .certContent {
      padding: var(--spacing-4);
    }

    .compliance {
      padding: var(--spacing-6);
    }

    .complianceGrid {
      grid-template-columns: 1fr;
      gap: var(--spacing-4);
    }
  }
}