/**
 * Component: Evidence Architecture
 *
 * Institutional matrix describing how D1 sources,
 * evaluates, and preserves intelligence evidence.
 */

@layer components {
  /* ==========================================================================
     1. Root
     ========================================================================== */

  .dig-trust-grid {
    padding-block: var(--dig-section-space);

    background-color: var(--dig-color-bg-alt);
    border-block: 1px solid var(--dig-color-border-subtle);
  }

  /* ==========================================================================
     2. Section Header
     ========================================================================== */

  .dig-trust-grid__header {
    display: grid;
    grid-template-columns:
      minmax(0, 1.35fr)
      minmax(18rem, 0.65fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 5rem);

    margin-bottom: clamp(2.5rem, 5vw, 4rem);
  }

  .dig-trust-grid__heading {
    min-width: 0;
  }

  .dig-trust-grid__eyebrow {
    width: fit-content;
    margin: 0 0 clamp(0.875rem, 1.5vw, 1.125rem);

    color: var(--dig-color-primary);

    font-family: var(--dig-font-mono);
    font-size: var(--dig-font-size-xs);
    font-weight: var(--dig-font-weight-semibold);
    line-height: 1;
    letter-spacing: var(--dig-letter-spacing-mono);
    text-transform: uppercase;
  }

  .dig-trust-grid__title {
    max-width: 52rem;
    margin: 0;

    color: var(--dig-color-primary);

    font-family: var(--dig-font-primary);
    font-size: clamp(2rem, 3.5vw, 3.5rem);
    font-weight: var(--dig-font-weight-bold);
    line-height: var(--dig-line-height-tight);
    letter-spacing: var(--dig-letter-spacing-tight);
    text-wrap: balance;
  }

  .dig-trust-grid__subtitle {
    max-width: 32rem;
    margin: 0;

    color: var(--dig-color-text-muted);

    font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.0625rem);
    line-height: var(--dig-line-height-body);
    text-wrap: pretty;
  }

  /* ==========================================================================
     3. Evidence Matrix
     ========================================================================== */

  .dig-trust-grid__matrix {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));

    border-top: 1px solid var(--dig-color-border);
    border-left: 1px solid var(--dig-color-border);
  }

  .dig-trust-grid__panel {
    display: flex;
    flex-direction: column;

    min-width: 0;
    min-height: clamp(19rem, 23vw, 22rem);
    padding: clamp(1.5rem, 2.5vw, 2rem);

    background-color: transparent;
    border-right: 1px solid var(--dig-color-border);
    border-bottom: 1px solid var(--dig-color-border);
  }

  /* ==========================================================================
     4. Panel Header
     ========================================================================== */

  .dig-trust-grid__panel-header {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    gap: clamp(0.75rem, 1.25vw, 1rem);

    margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
  }

  .dig-trust-grid__index {
    color: var(--dig-color-text-muted);

    font-family: var(--dig-font-mono);
    font-size: var(--dig-font-size-xs);
    font-weight: var(--dig-font-weight-semibold);
    line-height: 1;
    letter-spacing: var(--dig-letter-spacing-label);
  }

  .dig-trust-grid__panel-title {
    max-width: 18rem;
    margin: 0;

    color: var(--dig-color-primary);

    font-family: var(--dig-font-primary);
    font-size: clamp(1rem, 0.94rem + 0.25vw, 1.125rem);
    font-weight: var(--dig-font-weight-bold);
    line-height: 1.35;
    letter-spacing: var(--dig-letter-spacing-heading);
  }

  /* ==========================================================================
     5. Evidence Rows
     ========================================================================== */

  .dig-trust-grid__list {
    display: grid;
    gap: clamp(0.75rem, 1.25vw, 1rem);

    margin: 0;
    padding: 0;

    list-style: none;
  }

  .dig-trust-grid__point {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: var(--dig-spacing-xs);

    color: var(--dig-color-text);

    font-size: clamp(0.875rem, 0.84rem + 0.15vw, 0.95rem);
    line-height: 1.55;
  }

  .dig-trust-grid__marker {
    width: 0.3rem;
    height: 0.3rem;
    margin-top: 0.58em;

    background-color: var(--dig-color-success);
    border-radius: var(--dig-radius-full);
  }

  /* ==========================================================================
     6. Panel Qualification
     ========================================================================== */

  .dig-trust-grid__microcopy {
    margin: auto 0 0;
    padding-top: clamp(1.25rem, 2vw, 1.75rem);

    border-top: 1px solid var(--dig-color-border-subtle);

    color: var(--dig-color-text-muted);

    font-family: var(--dig-font-mono);
    font-size: var(--dig-font-size-xs);
    line-height: 1.6;
  }

  /* ==========================================================================
     7. Information Boundary
     ========================================================================== */

  .dig-trust-grid__note {
    display: grid;
    grid-template-columns:
      minmax(8rem, 0.28fr)
      minmax(0, 1fr);
    align-items: start;
    gap: clamp(1.25rem, 3vw, 2.5rem);

    max-width: 64rem;
    margin: clamp(2rem, 4vw, 3rem) auto 0;
    padding-top: clamp(1.25rem, 2vw, 1.5rem);

    border-top: 1px solid var(--dig-color-border);
  }

  .dig-trust-grid__note-label {
    margin: 0;

    color: var(--dig-color-primary);

    font-family: var(--dig-font-mono);
    font-size: var(--dig-font-size-xs);
    font-weight: var(--dig-font-weight-semibold);
    line-height: 1.4;
    letter-spacing: var(--dig-letter-spacing-label);
    text-transform: uppercase;
  }

  .dig-trust-grid__note-text {
    max-width: 46rem;
    margin: 0;

    color: var(--dig-color-text-muted);

    font-size: clamp(0.8rem, 0.77rem + 0.12vw, 0.875rem);
    line-height: 1.65;
  }

  /* ==========================================================================
     8. Responsive
     ========================================================================== */

  @media (max-width: 56rem) {
    .dig-trust-grid__header {
      grid-template-columns: 1fr;
      align-items: start;
      gap: var(--dig-spacing-md);
    }

    .dig-trust-grid__subtitle {
      max-width: 42rem;
    }

    .dig-trust-grid__matrix {
      grid-template-columns: 1fr;
    }

    .dig-trust-grid__panel {
      min-height: auto;
    }

    .dig-trust-grid__microcopy {
      margin-top: clamp(2rem, 6vw, 3rem);
    }
  }

  @media (max-width: 42.5rem) {
    .dig-trust-grid__header {
      margin-bottom: clamp(2rem, 8vw, 2.75rem);
    }

    .dig-trust-grid__panel {
      padding: clamp(1.25rem, 5vw, 1.5rem);
    }

    .dig-trust-grid__panel-header {
      margin-bottom: clamp(1.5rem, 6vw, 2rem);
    }

    .dig-trust-grid__note {
      grid-template-columns: 1fr;
      gap: var(--dig-spacing-xs);
    }
  }
}