/* ── Methodology Page ────────────────────────────────────────────────────── */

.meth-hero {
  background: var(--void);
  border-bottom: 1px solid var(--border);
  padding: 72px 0 52px;
  position: relative;
  overflow: hidden;
}
.meth-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 80% 50%, rgba(52,211,153,.06) 0%, transparent 70%);
  pointer-events: none;
}
.meth-hero__inner { position: relative; max-width: 720px; }
.meth-hero__eyebrow {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--emerald);
  margin-bottom: 16px;
}
.meth-hero__title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #f1f5f9;
  line-height: 1.2;
  margin-bottom: 20px;
}
.meth-hero__title em { color: var(--emerald); font-style: italic; }
.meth-hero__sub {
  font-size: 1.05rem;
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 24px;
}
.meth-hero__sub a { color: var(--emerald); text-decoration: underline; }
.meth-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: .78rem;
  color: #475569;
}

/* TOC */
.meth-toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  margin: 40px 0 48px;
  max-width: 480px;
}
.meth-toc__title {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #64748b;
  margin-bottom: 14px;
}
.meth-toc__list {
  list-style: decimal;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.meth-toc__list a {
  color: #94a3b8;
  font-size: .88rem;
  text-decoration: none;
}
.meth-toc__list a:hover { color: var(--emerald); }

/* Sections */
.meth-main { padding-bottom: 100px; }
.meth-section {
  margin-bottom: 60px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.meth-h2 {
  font-size: 1.5rem;
  color: #e2e8f0;
  margin-bottom: 16px;
  scroll-margin-top: 80px;
}
.meth-p {
  color: #94a3b8;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 780px;
}

/* Data source cards */
.meth-source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.meth-source-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  gap: 16px;
}
.meth-source-icon { font-size: 1.6rem; flex-shrink: 0; margin-top: 2px; }
.meth-source-title { font-weight: 600; color: #e2e8f0; margin-bottom: 8px; font-size: .95rem; }
.meth-source-desc  { font-size: .82rem; color: #64748b; line-height: 1.6; }

/* Callouts */
.meth-callout {
  background: rgba(248,113,113,.07);
  border: 1px solid rgba(248,113,113,.2);
  border-left: 3px solid #f87171;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: .85rem;
  color: #fca5a5;
  line-height: 1.6;
  margin: 20px 0;
}
.meth-callout--blue {
  background: rgba(99,102,241,.07);
  border-color: rgba(99,102,241,.25);
  border-left-color: #818cf8;
  color: #c7d2fe;
}
.meth-callout--amber {
  background: rgba(251,191,36,.07);
  border-color: rgba(251,191,36,.25);
  border-left-color: #fbbf24;
  color: #fde68a;
}

/* Flow diagram */
.meth-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.meth-flow-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex: 1;
  min-width: 140px;
}
.meth-flow-num {
  background: var(--emerald);
  color: #0a0f0a;
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; flex-shrink: 0; margin-top: 2px;
}
.meth-flow-text { font-size: .82rem; color: #94a3b8; line-height: 1.5; }
.meth-flow-text strong { color: #e2e8f0; }
.meth-flow-arrow { color: #334155; font-size: 1.2rem; flex-shrink: 0; }

/* Dimension cards */
.meth-dim-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.meth-dim-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}
.meth-dim-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.meth-dim-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.meth-dim-name   { font-weight: 700; color: #e2e8f0; font-size: .95rem; }
.meth-dim-weight { font-size: .72rem; color: #64748b; margin-top: 2px; }
.meth-dim-desc   { font-size: .82rem; color: #64748b; line-height: 1.6; margin-bottom: 14px; }

.meth-dim-signals { display: flex; flex-wrap: wrap; gap: 6px; }
.signal-pill {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: .7rem;
  font-weight: 500;
}
.signal-pill--red    { background: rgba(248,113,113,.1); color: #fca5a5; }
.signal-pill--amber  { background: rgba(251,191,36,.1);  color: #fde68a; }
.signal-pill--green  { background: rgba(52,211,153,.1);  color: #6ee7b7; }

/* Table */
.meth-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
  margin-top: 8px;
}
.meth-table th {
  text-align: left;
  padding: 10px 14px;
  color: #64748b;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.meth-table td {
  padding: 12px 14px;
  color: #94a3b8;
  border-bottom: 1px solid rgba(255,255,255,.04);
  line-height: 1.5;
}
.meth-table td strong { color: #e2e8f0; }
.meth-table__total td { border-top: 1px solid var(--border); color: #e2e8f0; font-weight: 600; }

.weight-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: .78rem;
  font-weight: 700;
}
.weight-badge--high { background: rgba(248,113,113,.15); color: #f87171; }
.weight-badge--med  { background: rgba(251,191,36,.15);  color: #fbbf24; }
.weight-badge--low  { background: rgba(52,211,153,.15);  color: #34d399; }
.weight-badge--min  { background: rgba(148,163,184,.15); color: #94a3b8; }

/* Formula */
.meth-formula {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--emerald);
  border-radius: 8px;
  padding: 16px 20px;
  font-family: 'Courier New', monospace;
  font-size: .85rem;
  color: #34d399;
  line-height: 1.6;
  overflow-x: auto;
}

/* Risk tier cards */
.meth-tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.meth-tier-card {
  border-radius: 12px;
  padding: 24px;
  border: 1px solid;
}
.meth-tier-card--high   { background: rgba(248,113,113,.07); border-color: rgba(248,113,113,.25); }
.meth-tier-card--medium { background: rgba(251,191,36,.07);  border-color: rgba(251,191,36,.25); }
.meth-tier-card--low    { background: rgba(52,211,153,.07);  border-color: rgba(52,211,153,.25); }
.meth-tier-score {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 6px;
}
.meth-tier-card--high   .meth-tier-score { color: #f87171; }
.meth-tier-card--medium .meth-tier-score { color: #fbbf24; }
.meth-tier-card--low    .meth-tier-score { color: #34d399; }
.meth-tier-name { font-weight: 700; color: #e2e8f0; margin-bottom: 10px; }
.meth-tier-desc { font-size: .82rem; color: #94a3b8; line-height: 1.6; }

/* Lists */
.meth-list {
  padding-left: 20px;
  color: #94a3b8;
  font-size: .9rem;
  line-height: 1.9;
  max-width: 720px;
}

/* Double materiality */
.meth-dm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}
.meth-dm-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.meth-dm-title { font-weight: 600; color: #e2e8f0; margin-bottom: 10px; }
.meth-dm-card p { font-size: .85rem; color: #64748b; line-height: 1.6; }

/* Update cards */
.meth-update-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.meth-update-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}
.meth-update-icon  { font-size: 1.5rem; margin-bottom: 12px; }
.meth-update-title { font-weight: 600; color: #e2e8f0; margin-bottom: 8px; }
.meth-update-desc  { font-size: .82rem; color: #64748b; line-height: 1.6; }

/* Limitations */
.meth-limitations {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 20px;
}
.meth-limit-item {
  display: flex;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.meth-limit-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.meth-limit-item strong { color: #e2e8f0; display: block; margin-bottom: 6px; }
.meth-limit-item p { font-size: .84rem; color: #64748b; line-height: 1.6; }

/* FAQ */
.meth-faq { display: flex; flex-direction: column; gap: 4px; margin-top: 20px; }
.meth-faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.meth-faq-item summary {
  padding: 16px 20px;
  font-weight: 600;
  color: #cbd5e1;
  cursor: pointer;
  font-size: .92rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.meth-faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--emerald);
  flex-shrink: 0;
  margin-left: 12px;
}
.meth-faq-item[open] summary::after { content: '−'; }
.meth-faq-item p {
  padding: 0 20px 18px;
  font-size: .86rem;
  color: #64748b;
  line-height: 1.7;
}
.meth-faq-item p a { color: var(--emerald); text-decoration: underline; }

/* CTA */
.meth-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.meth-cta-btn {
  background: var(--emerald);
  color: #0a0f0a;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: .9rem;
  text-decoration: none;
}
.meth-cta-btn:hover { opacity: .88; }
.meth-cta-link { color: #64748b; font-size: .88rem; text-decoration: none; }
.meth-cta-link:hover { color: var(--emerald); }

@media (max-width: 640px) {
  .meth-dm-grid { grid-template-columns: 1fr; }
  .meth-flow-arrow { display: none; }
  .meth-flow { flex-direction: column; }
}