/* ==========================================================================
   methodology.css — methodology page
   Two-column layout: sticky TOC + reading column. Instrument Sans display,
   Inter body, Fira Code overlines. Hairline-bordered rubric grid.
   ========================================================================== */

.methodology-page {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-12);
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-4) var(--space-12);
}
@media (max-width: 1024px) {
  .methodology-page { grid-template-columns: 1fr; gap: var(--space-6); padding-top: var(--space-10); }
}

/* ============================================================
   TOC — minimal sidebar
   ============================================================ */
.methodology-toc {
  position: sticky;
  top: calc(72px + var(--space-6));
  align-self: start;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  border-left: 1px solid var(--oath-gray-300);
  padding-left: var(--space-4);
}
.methodology-toc h6 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--font-normal);
  text-transform: uppercase;
  letter-spacing: 0.17em;
  color: var(--oath-gray-700);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}
.methodology-toc ul { list-style: none; padding: 0; margin: 0; }
.methodology-toc li { margin-bottom: 2px; }
.methodology-toc a {
  color: var(--oath-gray-700);
  border-bottom: none;
  padding: var(--space-2) 0;
  display: block;
  transition: color var(--transition-fast);
  position: relative;
  line-height: 1.4;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  letter-spacing: -0.02em;
}
.methodology-toc a:hover,
.methodology-toc a.active {
  color: var(--oath-charcoal);
}
.methodology-toc a.active {
  font-weight: var(--font-medium);
}

@media (max-width: 1024px) {
  .methodology-toc {
    position: static;
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--oath-gray-300);
    border-bottom: 1px solid var(--oath-gray-300);
    padding: var(--space-5) 0;
    margin-bottom: var(--space-6);
  }
  .methodology-toc ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
  }
  .methodology-toc li { margin-bottom: 0; }
  .methodology-toc a { padding: var(--space-1) 0; }
}

/* ============================================================
   Content
   ============================================================ */
.methodology-content {
  max-width: 720px;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: rgba(38, 38, 38, 0.82);
  letter-spacing: -0.02em;
}
.methodology-content > .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--font-normal);
  text-transform: uppercase;
  letter-spacing: 0.17em;
  color: var(--oath-gray-700);
  line-height: 1.2;
}
.methodology-content > .eyebrow::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background: var(--ink-navy);
  box-shadow: 0 0 0 2px var(--ink-navy-tint);
}
.methodology-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 1.9rem + 3.6vw, 4.5rem);
  font-weight: var(--font-medium);
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin-bottom: var(--space-7);
  color: var(--oath-charcoal);
  max-width: 18ch;
  text-wrap: balance;
}
.methodology-content > p:first-of-type {
  font-family: var(--font-primary);
  font-size: var(--text-md);
  line-height: 1.5;
  color: rgba(38, 38, 38, 0.82);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--oath-gray-300);
  max-width: 60ch;
  font-weight: var(--font-normal);
}
.methodology-content > p:first-of-type::first-letter {
  font-family: inherit;
  font-weight: inherit;
  font-size: inherit;
  color: inherit;
  padding: 0;
  float: none;
}
.methodology-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 1.4rem + 1.8vw, 2.5rem);
  font-weight: var(--font-medium);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  color: var(--oath-charcoal);
  position: relative;
  padding-top: var(--space-4);
  scroll-margin-top: 90px;
  text-wrap: balance;
}
.methodology-content h2::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 36px;
  height: 2px;
  background: var(--ink-navy);
}
.methodology-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  letter-spacing: -0.04em;
  line-height: 1.2;
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
  color: var(--oath-charcoal);
}
.methodology-content p {
  margin-bottom: var(--space-5);
  font-family: var(--font-primary);
  letter-spacing: -0.02em;
}
.methodology-content ul, .methodology-content ol {
  margin-bottom: var(--space-5);
  padding-left: var(--space-5);
}
.methodology-content li {
  margin-bottom: var(--space-2);
  padding-left: var(--space-2);
  letter-spacing: -0.02em;
}
.methodology-content code {
  font-family: var(--font-mono);
  background-color: var(--oath-paper-deep);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  color: var(--oath-charcoal);
  border: 1px solid var(--oath-gray-300);
}
.methodology-content blockquote {
  font-family: var(--font-primary);
  font-style: italic;
  font-size: var(--text-md);
  border-left: 3px solid var(--ink-navy);
  padding: var(--space-2) var(--space-5);
  margin: var(--space-5) 0;
  color: var(--oath-charcoal);
  letter-spacing: -0.02em;
  line-height: 1.5;
  font-weight: var(--font-normal);
}
.methodology-content strong {
  color: var(--oath-charcoal);
  font-weight: var(--font-medium);
}
.methodology-content a {
  color: var(--oath-charcoal);
  border-bottom-color: var(--oath-gray-300);
}
.methodology-content a:hover {
  color: var(--ink-navy);
  border-bottom-color: var(--ink-navy);
}

/* ============================================================
   Rubric grid — clean two-column with hairlines, 16px outer radius
   ============================================================ */
.rubric-grid {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 0;
  margin: var(--space-6) 0 var(--space-3);
  border: 1px solid var(--oath-gray-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--oath-white);
}
.rubric-grid > * {
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--oath-gray-200);
  background: var(--oath-white);
  display: flex;
  align-items: flex-start;
}
.rubric-grid > *:nth-last-child(-n+2) { border-bottom: none; }
.rubric-grid .grade {
  justify-content: center;
  align-items: center;
  background: var(--oath-paper-deep);
  border-right: 1px solid var(--oath-gray-300);
}
.rubric-grid > span:not(.grade) {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: rgba(38, 38, 38, 0.82);
  display: block;
  letter-spacing: -0.02em;
}
.rubric-grid > span:not(.grade) strong {
  color: var(--oath-charcoal);
  font-weight: var(--font-medium);
}
.rubric-grid .score-badge {
  font-size: var(--text-md);
  padding: 0.375rem 0.75rem;
  min-width: 2.5rem;
}

@media (max-width: 640px) {
  .rubric-grid { grid-template-columns: 4.5rem 1fr; }
}