/**
 * Component: Public Pricing Architecture
 *
 * Institutional comparison of D1 intelligence access levels.
 */

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

  .d1-pricing {
    padding-block: var(--dig-section-space) clamp(2.75rem, 4vw, 4rem);

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

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

  .d1-pricing__header {
    display: grid;
    grid-template-columns:
      minmax(0, 0.65fr)
      minmax(20rem, 1.35fr);
    gap: var(--dig-spacing-md) clamp(2.5rem, 6vw, 7rem);

    margin-bottom: clamp(2.5rem, 4.5vw, 4rem);
  }

  .d1-pricing__eyebrow {
    grid-column: 1;
    grid-row: 1 / 3;

    margin: 0;

    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-mono);
    text-transform: uppercase;
  }

  .d1-pricing__title {
    grid-column: 2;

    max-width: 42rem;
    margin: 0;

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

    font-size: clamp(2rem, 3.2vw, 3.25rem);
    font-weight: var(--dig-font-weight-bold);
    line-height: var(--dig-line-height-tight);
    letter-spacing: var(--dig-letter-spacing-tight);
    text-wrap: balance;
  }

  .d1-pricing__intro {
    grid-column: 2;

    max-width: 48rem;
    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. Plan Matrix
     ========================================================================== */

  .d1-pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));

    width: 100%;
    margin: 0;
    padding: 0;

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

  .d1-pricing-card {
    position: relative;

    display: flex;
    flex-direction: column;

    min-width: 0;
    min-height: clamp(42rem, 48vw, 51rem);
    padding: 0;

    background-color: var(--dig-color-bg);

    border: 0;
    border-right: 1px solid var(--dig-color-border);
    border-bottom: 1px solid var(--dig-color-border);
    border-radius: 0;
    box-shadow: none;
  }

  .d1-pricing-card--featured,
  .d1-pricing-card--selected {
    background: linear-gradient(
      180deg,
      color-mix(in srgb, var(--dig-color-secondary) 7%, var(--dig-color-bg)),
      var(--dig-color-bg) 28%
    );

    box-shadow: inset 0 3px 0 var(--dig-color-secondary);
  }

  /* ==========================================================================
     4. Plan Header
     ========================================================================== */

  .d1-pricing-card__header {
    min-height: clamp(20rem, 22vw, 23rem);
    padding: clamp(1.5rem, 2.5vw, 2.25rem);
  }

  .d1-pricing-card__meta {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: var(--dig-spacing-xs);

    min-height: 3rem;
    margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  }

  .d1-pricing-card__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);
    letter-spacing: var(--dig-letter-spacing-label);
  }

  .d1-pricing-card__eyebrow {
    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: 1.45;
    letter-spacing: var(--dig-letter-spacing-label);
    text-transform: uppercase;
  }

  .d1-pricing-card__badge {
    position: absolute;
    top: 0;
    right: clamp(1rem, 2vw, 1.5rem);

    padding: clamp(0.4rem, 0.6vw, 0.5rem) clamp(0.65rem, 1vw, 0.85rem);

    background-color: var(--dig-color-secondary);
    border-radius: 0 0 var(--dig-radius-md) var(--dig-radius-md);

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

    font-family: var(--dig-font-mono);
    font-size: clamp(0.625rem, 0.6rem + 0.08vw, 0.6875rem);
    font-weight: var(--dig-font-weight-bold);
    line-height: 1;
    letter-spacing: var(--dig-letter-spacing-label);
    text-transform: uppercase;
  }

  .d1-pricing-card__name {
    margin: 0 0 clamp(1rem, 2vw, 1.5rem);

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

    font-size: clamp(1.25rem, 1.1rem + 0.45vw, 1.625rem);
    font-weight: var(--dig-font-weight-bold);
    line-height: 1.2;
    letter-spacing: var(--dig-letter-spacing-heading);
  }

  .d1-pricing-card__price {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: var(--dig-spacing-xs);

    margin: 0 0 clamp(1.5rem, 3vw, 2rem);
  }

  .d1-pricing-card__price strong {
    color: var(--dig-color-primary);

    font-size: clamp(2rem, 1.7rem + 1vw, 2.75rem);
    font-weight: var(--dig-font-weight-heavy);
    line-height: 1;
    letter-spacing: var(--dig-letter-spacing-tight);
  }

  .d1-pricing-card__price span {
    color: var(--dig-color-text-muted);

    font-size: var(--dig-font-size-xs);
    font-weight: var(--dig-font-weight-semibold);
    line-height: 1.4;
  }

  .d1-pricing-card__description {
    max-width: 31ch;
    margin: 0;

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

    font-size: clamp(0.875rem, 0.84rem + 0.12vw, 0.95rem);
    line-height: var(--dig-line-height-body);
    text-wrap: pretty;
  }

  /* ==========================================================================
     5. Capability Sections
     ========================================================================== */

  .d1-pricing-card__capabilities,
  .d1-pricing-card__limitations {
    padding: clamp(1.5rem, 2.5vw, 2.25rem);

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

  .d1-pricing-card__capabilities {
    flex-grow: 1;
  }

  .d1-pricing-card__section-label {
    margin: 0 0 clamp(1.25rem, 2vw, 1.75rem);

    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-mono);
    text-transform: uppercase;
  }

  .d1-pricing-card__features,
  .d1-pricing-card__limitations ul {
    display: grid;
    gap: clamp(0.75rem, 1.4vw, 1rem);

    margin: 0;
    padding: 0;

    list-style: none;
  }

  .d1-pricing-card__features li,
  .d1-pricing-card__limitations li {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: var(--dig-spacing-xs);

    margin: 0;

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

    font-size: clamp(0.8rem, 0.77rem + 0.1vw, 0.875rem);
    line-height: 1.5;
  }

  .d1-pricing-card__features li > span:first-child {
    color: var(--dig-color-success);

    font-family: var(--dig-font-mono);
    font-weight: var(--dig-font-weight-bold);
  }

  .d1-pricing-card__limitations {
    min-height: clamp(8rem, 10vw, 10rem);
  }

  .d1-pricing-card__limitations li {
    color: var(--dig-color-text-muted);
  }

  .d1-pricing-card__limitations li > span:first-child {
    color: var(--dig-color-text-muted);

    font-family: var(--dig-font-mono);
  }

  /* ==========================================================================
     6. Plan Action
     ========================================================================== */

  .d1-pricing-card__action {
    margin-top: auto;
    padding: clamp(1.25rem, 2vw, 1.75rem) clamp(1.5rem, 2.5vw, 2.25rem);

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

  .d1-pricing-card__action .dig-btn {
    width: 100%;
    min-height: 3rem;

    border-radius: var(--dig-radius-md);
  }

  /* ==========================================================================
     7. Responsive
     ========================================================================== */

  @media (max-width: 74rem) {
    .d1-pricing-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .d1-pricing-card {
      min-height: auto;
    }

    .d1-pricing-card__header,
    .d1-pricing-card__limitations {
      min-height: auto;
    }
  }

  @media (max-width: 48rem) {
    .d1-pricing {
      padding-block: clamp(3.5rem, 12vw, 5rem);
    }

    .d1-pricing__header {
      grid-template-columns: 1fr;
      gap: var(--dig-spacing-md);

      margin-bottom: clamp(2.5rem, 9vw, 4rem);
    }

    .d1-pricing__eyebrow,
    .d1-pricing__title,
    .d1-pricing__intro {
      grid-column: 1;
      grid-row: auto;
    }

    .d1-pricing__title {
      font-size: clamp(2rem, 9vw, 3rem);
    }

    .d1-pricing-grid {
      grid-template-columns: 1fr;
    }

    .d1-pricing-card__header {
      min-height: auto;
    }

    .d1-pricing-card__meta {
      min-height: auto;
    }

    .d1-pricing-card__description {
      max-width: 42rem;
    }
  }
}