.methodology-shell { display: grid; gap: 18px; }

.methodology-hero,
.methodology-toc,
.methodology-document,
.methodology-cta {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.methodology-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr);
  gap: 44px;
  padding: clamp(34px, 6vw, 68px);
  background: linear-gradient(135deg, #fffdf8 0%, #f4f0e6 62%, #edf2f4 100%);
}
.methodology-hero h2 { max-width: 760px; margin-top: 14px; font-size: clamp(36px, 5vw, 62px); line-height: 1.02; }
.methodology-hero p { max-width: 760px; margin: 22px 0 0; color: var(--muted); font-size: 18px; line-height: 1.65; }
.methodology-hero aside { display: grid; align-content: end; gap: 7px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255,255,255,.72); }
.methodology-hero aside span { margin-top: 10px; color: var(--muted); font-size: 11px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.methodology-hero aside strong { line-height: 1.4; }

.methodology-toc { position: sticky; top: 10px; z-index: 10; display: flex; align-items: center; gap: 10px 18px; padding: 14px 20px; overflow-x: auto; white-space: nowrap; }
.methodology-toc strong { color: var(--accent-strong); }
.methodology-toc a { color: var(--muted); font-size: 13px; font-weight: 750; text-underline-offset: 4px; }
.methodology-toc a:hover { color: var(--accent-strong); }

.methodology-document { padding: 0 clamp(24px, 5vw, 64px); }
.methodology-section { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 26px; padding: clamp(42px, 6vw, 74px) 0; border-bottom: 1px solid var(--line); scroll-margin-top: 82px; }
.methodology-section:last-child { border-bottom: 0; }
.methodology-section-number { color: #b17f20; font-size: 13px; font-weight: 900; letter-spacing: .13em; }
.methodology-section-body { max-width: 920px; }
.methodology-section-body h2 { margin: 10px 0 20px; font-size: clamp(27px, 3.5vw, 42px); }
.methodology-section-body > p { color: var(--muted); font-size: 16px; line-height: 1.75; }
.methodology-section-body a { color: var(--accent-strong); font-weight: 750; text-underline-offset: 3px; }

.methodology-callout { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; margin-top: 26px; padding: 20px; border-radius: var(--radius-md); background: var(--accent-strong); color: #fff; }
.methodology-callout span { color: rgba(255,255,255,.76); line-height: 1.55; }
.methodology-callout-neutral { background: #eef2f4; color: var(--ink); }
.methodology-callout-neutral span { color: var(--muted); }

.methodology-steps { display: grid; gap: 0; margin: 28px 0 0; padding: 0; list-style: none; }
.methodology-steps li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.methodology-steps li > span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); font-weight: 900; }
.methodology-steps p { margin: 5px 0 0; color: var(--muted); line-height: 1.5; }

.methodology-definition-grid,
.methodology-policy-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 26px; }
.methodology-definition-grid article,
.methodology-policy-grid article { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #f8f9f9; }
.methodology-definition-grid p,
.methodology-policy-grid p { margin: 8px 0 0; color: var(--muted); line-height: 1.55; }
.methodology-policy-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.methodology-policy-grid article > span { display: block; margin-bottom: 22px; color: #a57318; font-size: 11px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }

.methodology-lifecycle { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.methodology-lifecycle span { padding: 8px 11px; border: 1px solid rgba(39,68,93,.22); border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); font-size: 12px; font-weight: 800; }

.methodology-limitations ul { display: grid; gap: 12px; margin: 24px 0; padding-left: 22px; }
.methodology-limitations li { padding-left: 6px; color: var(--muted); line-height: 1.6; }

.methodology-cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: clamp(26px, 4vw, 44px); }
.methodology-cta h2 { margin-top: 8px; }
.methodology-cta > a { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 999px; background: var(--accent-strong); color: #fff; font-weight: 850; text-decoration: none; }
.methodology-cta > a:hover { background: var(--accent); }

@media (max-width: 900px) {
  .methodology-hero { grid-template-columns: 1fr; }
  .methodology-policy-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .methodology-hero { padding: 34px 24px; }
  .methodology-hero h2 { font-size: 39px; }
  .methodology-section { grid-template-columns: 1fr; gap: 10px; }
  .methodology-definition-grid { grid-template-columns: 1fr; }
  .methodology-callout { grid-template-columns: 1fr; gap: 8px; }
  .methodology-cta { align-items: stretch; flex-direction: column; }
  .methodology-cta > a { width: 100%; }
}