/* =============================================
   HOW EVALUATION WORKS — page-specific styles
   Reuses tokens, hero, .gradient-orb, .section-*,
   .app-window*, .showcase-step, .cta-button,
   .floating-card*, .final-cta, .footer from landing.css.
   All net-new rules are scoped under
   .how-evaluation-works-page to avoid leaking
   into other pages (mirrors .contact-page).
   ============================================= */

.how-evaluation-works-page {
  /* Hero — page-specific overrides on the .tagline width */
  .tagline {
    max-width: 540px;
  }

  /* ============================================
     Hero visual — single observation evidence card
     ============================================ */
  .evidence-card {
    position: relative;
    z-index: 1;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: hidden;
  }

  .evidence-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.1rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border-subtle);
  }

  .window-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
  }

  .evidence-body {
    padding: var(--space-xl);
    display: grid;
    gap: var(--space-md);
  }

  .evidence-row {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 0.7rem;
    align-items: start;

    .label {
      font-size: 0.72rem;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--text-tertiary);
      font-weight: var(--fw-semibold);
      padding-top: 2px;
    }

    .value {
      font-size: 0.92rem;
      color: var(--text-primary);
    }
  }

  .evidence-criterion {
    font-weight: var(--fw-semibold);
  }

  .evidence-question {
    font-style: italic;
    color: var(--text-secondary);
  }

  .evidence-quote {
    background: oklch(from var(--accent-primary) l c h / 0.06);
    border-left: 3px solid var(--accent-primary);
    padding: 0.7rem 0.9rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-family: var(--font-mono);
    font-size: 0.83rem;
    color: var(--text-primary);
    line-height: 1.55;
  }

  .evidence-reasoning {
    font-size: 0.86rem;
    color: var(--text-secondary);
  }

  .evidence-footer {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    border-top: 1px solid var(--border-subtle);
    padding: 0.7rem var(--space-xl);
    background: var(--surface);
  }

  /* answer pills used inside the hero card and the scoring grid */
  .answer-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: var(--fw-semibold);

    &.yes {
      background: oklch(from var(--accent-success) l c h / 0.14);
      color: var(--accent-success);
      border: 1px solid oklch(from var(--accent-success) l c h / 0.3);
    }

    &.no {
      background: oklch(from var(--accent-warm) l c h / 0.14);
      color: var(--accent-warm);
      border: 1px solid oklch(from var(--accent-warm) l c h / 0.3);
    }

    &.insufficient {
      background: var(--surface);
      color: var(--text-tertiary);
      border: 1px solid var(--border);
    }
  }

  /* ============================================
     Pillars band — three promises
     ============================================ */
  .pillars-section {
    padding: var(--space-5xl) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
  }

  .pillars-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--section-pad);
  }

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

  .pillar {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition:
      transform 0.2s ease,
      border-color 0.2s ease;

    &:hover {
      transform: translateY(-3px);
      border-color: oklch(from var(--accent-primary) l c h / 0.3);
    }

    h3 {
      font-family: var(--font-heading);
      font-size: 1.2rem;
      margin: 0 0 var(--space-sm);
    }

    p {
      font-size: 0.95rem;
      color: var(--text-secondary);
      margin: 0;
    }
  }

  .pillar-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: oklch(from var(--accent-primary) l c h / 0.12);
    color: var(--accent-primary);
    display: grid;
    place-items: center;
    margin-bottom: var(--space-lg);
  }

  .pillar-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    margin-top: var(--space-md);
    letter-spacing: 0.02em;
  }

  /* ============================================
     Pipeline — six showcase-step rows
     (uses .showcase-step from landing.css)
     ============================================ */
  .pipeline-section {
    padding: var(--space-5xl) 0;
  }

  .pipeline-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--section-pad);
  }

  .pipeline-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-5xl);
  }

  .step-callout {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: var(--space-md);
    padding: 0.5rem 0.9rem;
    background: oklch(from var(--accent-success) l c h / 0.1);
    border: 1px solid oklch(from var(--accent-success) l c h / 0.25);
    border-radius: 999px;
    color: var(--accent-success);
    font-size: 0.82rem;
    font-weight: var(--fw-semibold);
  }

  /* Step 1 — criteria → questions */
  .crit-name-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.8rem;
    background: oklch(from var(--accent-primary) l c h / 0.08);
    border: 1px solid oklch(from var(--accent-primary) l c h / 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 0.9rem;

    strong {
      font-size: 0.92rem;
    }
  }

  .crit-tag {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent-primary);
  }

  .crit-section-label {
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    margin-bottom: 0.6rem;
    font-weight: var(--fw-semibold);
  }

  .crit-q-list {
    display: grid;
    gap: 0.7rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .crit-q-item {
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: 0.6rem;
    padding: 0.7rem 0.8rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.88rem;

    .q-num {
      font-family: var(--font-mono);
      color: var(--accent-primary);
      font-weight: var(--fw-semibold);
      font-size: 0.78rem;
    }
  }

  /* Step 2 — evidence bundle */
  .evidence-bundle {
    display: grid;
    gap: 0.7rem;
  }

  .bundle-source {
    display: grid;
    grid-template-columns: 28px 1fr auto;
    gap: 0.7rem;
    align-items: center;
    padding: 0.65rem 0.85rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.86rem;
  }

  .bundle-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: oklch(from var(--accent-primary) l c h / 0.12);
    color: var(--accent-primary);
    display: grid;
    place-items: center;
    font-size: 0.95rem;
  }

  .bundle-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
  }

  .bundle-redact {
    margin-top: 0.7rem;
    padding: 0.7rem 0.85rem;
    background: oklch(from var(--accent-warm) l c h / 0.08);
    border: 1px dashed oklch(from var(--accent-warm) l c h / 0.4);
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
  }

  .redact-mark {
    background: oklch(from var(--accent-warm) l c h / 0.18);
    color: var(--accent-warm);
    padding: 0 0.3rem;
    border-radius: 4px;
    font-weight: var(--fw-semibold);
  }

  /* Step 3 — scoring grid */
  .scoring-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .score-row {
    display: grid;
    grid-template-columns: 1fr 110px;
    gap: 0.7rem;
    align-items: center;
    padding: 0.65rem 0.85rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
  }

  .score-q {
    color: var(--text-primary);
  }

  .score-cite {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    margin-top: 4px;
  }

  /* Step 4 — citation validation */
  .cite-validate {
    display: grid;
    gap: 0.85rem;
  }

  .cite-card {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--bg-primary);
    font-size: 0.88rem;

    &.pass {
      border-color: oklch(from var(--accent-success) l c h / 0.4);
      background: oklch(from var(--accent-success) l c h / 0.05);

      .cite-quote {
        border-left-color: var(--accent-success);
      }
    }

    &.fail {
      border-color: oklch(from var(--accent-warm) l c h / 0.45);
      background: oklch(from var(--accent-warm) l c h / 0.05);

      .cite-quote {
        border-left-color: var(--accent-warm);
      }
    }
  }

  .cite-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.35rem;
    font-weight: var(--fw-semibold);
  }

  .cite-quote {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    padding-left: 0.7rem;
    border-left: 2px solid var(--border);
  }

  .cite-result {
    font-size: 0.78rem;
    font-family: var(--font-mono);
    margin-top: 0.5rem;

    &.pass {
      color: var(--accent-success);
    }

    &.fail {
      color: var(--accent-warm);
    }
  }

  /* Step 5 — assessment states */
  .state-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.7rem;
  }

  .state-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 0.95rem;
    text-align: center;

    &.assessed .state-score {
      color: var(--accent-success);
    }

    &.partial .state-score {
      color: var(--accent-warm);
    }

    &.notassessed .state-score {
      color: var(--text-tertiary);
    }
  }

  .state-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    margin-bottom: 0.4rem;
  }

  .state-score {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: var(--fw-bold);
    line-height: 1;
    margin-bottom: 0.3rem;
  }

  .state-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
  }

  /* Step 6 — audit log */
  .audit-log {
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem 1.1rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: auto;

    .key {
      color: var(--accent-primary);
    }

    .val {
      color: var(--text-primary);
    }

    .sep {
      color: var(--text-tertiary);
    }

    .line {
      white-space: nowrap;
    }
  }

  /* ============================================
     Guardrails grid
     ============================================ */
  .guardrails-section {
    padding: var(--space-5xl) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
  }

  .guardrails-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--section-pad);
  }

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

  .guard-card {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: border-color 0.2s ease;

    &:hover {
      border-color: oklch(from var(--accent-primary) l c h / 0.3);
    }

    h4 {
      font-family: var(--font-heading);
      font-size: 1.05rem;
      margin: 0 0 0.35rem;
    }

    p {
      font-size: 0.9rem;
      margin: 0;
      color: var(--text-secondary);
    }

    code {
      font-family: var(--font-mono);
      font-size: 0.84rem;
      background: var(--surface);
      padding: 0 0.3rem;
      border-radius: 4px;
    }
  }

  .guard-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: oklch(from var(--accent-primary) l c h / 0.12);
    color: var(--accent-primary);
    display: grid;
    place-items: center;
    margin-bottom: var(--space-md);
  }

  /* ============================================
     Human-in-the-loop band
     ============================================ */
  .human-section {
    padding: var(--space-5xl) 0;
  }

  .human-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--section-pad);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
  }

  .human-list {
    list-style: none;
    margin: var(--space-xl) 0 0;
    padding: 0;
    display: grid;
    gap: var(--space-md);

    li {
      display: grid;
      grid-template-columns: 28px 1fr;
      gap: 0.7rem;
      align-items: start;
      font-size: 0.97rem;
      color: var(--text-secondary);
    }
  }

  .human-check {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: oklch(from var(--accent-success) l c h / 0.14);
    color: var(--accent-success);
    display: grid;
    place-items: center;
    flex-shrink: 0;
  }

  .human-mock {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
  }

  .human-mock-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--surface);
    font-size: 0.85rem;
  }

  .review-row {
    display: grid;
    grid-template-columns: 1fr 92px 110px;
    gap: 0.6rem;
    align-items: center;
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.88rem;

    &:last-child {
      border-bottom: 0;
    }
  }

  .review-name {
    font-weight: var(--fw-semibold);
  }

  .review-source {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    margin-top: 2px;
  }

  .ai-score {
    font-family: var(--font-display);
    font-weight: var(--fw-semibold);
    text-align: right;
  }

  .reviewer-action {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: var(--fw-semibold);
    justify-self: end;

    &.approve {
      background: oklch(from var(--accent-success) l c h / 0.14);
      color: var(--accent-success);
    }

    &.override {
      background: oklch(from var(--accent-warm) l c h / 0.14);
      color: var(--accent-warm);
    }

    &.review {
      background: var(--surface);
      color: var(--text-secondary);
      border: 1px solid var(--border);
    }
  }

  .reviewer-comment {
    margin: 0.85rem 1rem 0;
    padding: 0.7rem 0.85rem;
    background: oklch(from var(--accent-primary) l c h / 0.06);
    border-left: 3px solid var(--accent-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.84rem;
    color: var(--text-primary);

    .comment-author {
      font-weight: var(--fw-semibold);
      font-size: 0.78rem;
      color: var(--text-tertiary);
      display: block;
      margin-bottom: 0.2rem;
    }
  }

  /* ============================================
     FAQ
     ============================================ */
  .faq-section {
    padding: var(--space-5xl) 0;
  }

  .faq-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--section-pad);
  }

  .faq-grid {
    display: grid;
    gap: var(--space-md);
    max-width: 880px;
    margin: 0 auto;
  }

  details.faq {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.2s ease;

    &[open] {
      border-color: oklch(from var(--accent-primary) l c h / 0.3);

      summary::after {
        content: '−';
        color: var(--accent-primary);
      }
    }

    summary {
      list-style: none;
      cursor: pointer;
      padding: 1.1rem 1.3rem;
      font-family: var(--font-heading);
      font-weight: var(--fw-semibold);
      font-size: 1.02rem;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;

      &::-webkit-details-marker {
        display: none;
      }

      &::after {
        content: '+';
        font-size: 1.4rem;
        color: var(--text-tertiary);
        transition: transform 0.2s ease;
      }
    }

    .faq-body {
      padding: 0 1.3rem 1.3rem;
      color: var(--text-secondary);
      font-size: 0.97rem;
    }
  }

  /* ============================================
     Reveal-on-scroll for new selectors
     (the landing.css base only animates a fixed
     selector list; this page adds new ones)
     ============================================ */
  .pillar,
  .guard-card,
  .faq {
    opacity: 0;
    transform: translateY(30px);
    transition:
      opacity 0.6s ease-out,
      transform 0.6s ease-out;

    &.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @media (scripting: none) {
    .pillar,
    .guard-card,
    .faq {
      opacity: 1;
      transform: none;
    }
  }

  /* ============================================
     Responsive
     ============================================ */
  @media (max-width: 940px) {
    .human-inner {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 860px) {
    .pillars-grid {
      grid-template-columns: 1fr;
    }
    .guardrails-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 700px) {
    .state-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 560px) {
    .guardrails-grid {
      grid-template-columns: 1fr;
    }
    .review-row {
      grid-template-columns: 1fr 70px 90px;
    }
  }
}