/* ────────── Shared styles for /methodology, /articles/*, /glossary, etc. ──────────
   Single CSS file means future content pages stay tiny - paste the page's
   <head> + <body> markup, link this stylesheet, ship.
   Brand tokens kept in sync with the homepage (index.html). */

:root {
  --vp-cream: #fafafa;
  --vp-deep-black: #0c0b09;
  --vp-text-grey: #56556B;
  --vp-indigo: #3F36B2;
  --vp-lavender: #8683E5;
  --vp-navy: #0B0359;
  --font-body: 'General Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--vp-cream);
  color: var(--vp-deep-black);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--vp-indigo); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--vp-deep-black); }
.container { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ── Sticky nav ── */
nav.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,250,250,0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(15,15,15,0.08);
}
nav.top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1080px;
}
nav.top a.brand {
  font-size: 13px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--vp-deep-black);
  text-decoration: none;
}
nav.top a.cta {
  background: var(--vp-deep-black);
  color: #fcfcfc;
  padding: 9px 18px;
  border-radius: 9px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
  text-decoration: none;
  transition: background .15s ease;
}
nav.top a.cta:hover { background: var(--vp-indigo); color: #fff; }

/* ── Hero ── */
header.hero {
  padding: 64px 0 36px;
}
header.hero.with-divider {
  border-bottom: 1px solid rgba(15,15,15,0.08);
  margin-bottom: 48px;
  padding-bottom: 48px;
}
.breadcrumb {
  font-size: 13px;
  color: var(--vp-text-grey);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--vp-text-grey); }
.eyebrow {
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vp-indigo);
  margin-bottom: 18px;
}
header h1 {
  font-size: clamp(34px, 5vw, 50px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
}
.meta {
  display: flex; gap: 18px; flex-wrap: wrap;
  font-size: 14px; color: var(--vp-text-grey);
  border-top: 1px solid rgba(15,15,15,0.08);
  border-bottom: 1px solid rgba(15,15,15,0.08);
  padding: 16px 0;
  margin: 24px 0 48px;
}

/* ── Article body ── */
article { padding-bottom: 32px; }
article .lede {
  font-size: 22px;
  line-height: 1.5;
  color: var(--vp-text-grey);
  max-width: 56ch;
  margin: 0 0 36px;
}
article h2 {
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700; letter-spacing: -0.018em;
  line-height: 1.2;
  margin: 56px 0 16px;
  color: var(--vp-deep-black);
}
article h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 32px 0 10px;
}
article p { margin: 0 0 18px; }
article strong { color: var(--vp-deep-black); font-weight: 600; }
article em { color: var(--vp-deep-black); }
article ul, article ol { margin: 0 0 18px; padding-left: 24px; }
article li { margin-bottom: 8px; }

/* ── Compare blocks (bad / good examples) ── */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 0 0 24px;
}
.compare > div {
  padding: 18px 20px;
  border-radius: 10px;
  font-size: 15px;
  line-height: 1.55;
}
.compare .bad {
  background: rgba(229,88,44,0.06);
  border-left: 3px solid #E5582C;
  color: #6B2811;
}
.compare .good {
  background: rgba(63,54,178,0.06);
  border-left: 3px solid var(--vp-indigo);
  color: var(--vp-deep-black);
}
.compare .label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 6px; opacity: 0.72;
}
@media (max-width: 600px) {
  .compare { grid-template-columns: 1fr; }
}

/* ── Pull-quote callout ── */
.callout {
  border-left: 3px solid var(--vp-indigo);
  background: rgba(63,54,178,0.04);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 0 0 22px;
  font-style: italic;
  color: var(--vp-deep-black);
  font-size: 18px;
}

/* ── Numbered "dimension" blocks (used on /methodology) ── */
.dim {
  background: #fff;
  border: 1px solid rgba(15,15,15,0.08);
  border-radius: 12px;
  padding: 24px 28px;
  margin: 20px 0;
}
.dim-num {
  display: inline-block;
  background: var(--vp-indigo);
  color: #fff;
  font-weight: 700;
  width: 28px; height: 28px;
  line-height: 28px; text-align: center;
  border-radius: 50%;
  font-size: 13px;
  margin-right: 10px;
  vertical-align: middle;
}
.dim h3 { display: inline-block; vertical-align: middle; margin: 0; }
.dim p:first-of-type { margin-top: 16px; }
.dim .dim-measure {
  font-size: 14px;
  color: var(--vp-text-grey);
  background: rgba(63,54,178,0.04);
  border-radius: 6px;
  padding: 10px 14px;
  margin-top: 12px;
}

/* ── Tier table (used on /methodology and /tier/*) ── */
.tier-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 26px;
  font-size: 15px;
}
.tier-table th, .tier-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(15,15,15,0.10);
  text-align: left;
  vertical-align: top;
}
.tier-table th {
  background: rgba(63,54,178,0.06);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--vp-indigo);
}
.tier-table td.tier-name { font-weight: 600; color: var(--vp-deep-black); white-space: nowrap; }

/* ── Final CTA card ── */
.cta-card {
  background: var(--vp-navy);
  color: var(--vp-cream);
  border-radius: 18px;
  padding: 44px 36px;
  margin: 64px 0 80px;
  text-align: center;
}
.cta-card h2 {
  color: var(--vp-cream);
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 30px);
}
.cta-card p {
  color: rgba(252,252,252,0.78);
  max-width: 48ch;
  margin: 0 auto 24px;
  font-size: 16px;
}
.cta-card a.btn {
  display: inline-block;
  background: var(--vp-cream);
  color: var(--vp-navy);
  padding: 14px 26px;
  border-radius: 12px;
  font-weight: 700; font-size: 15px;
  text-decoration: none;
  transition: transform .12s ease;
}
.cta-card a.btn:hover { transform: translateY(-1px); }

/* ── Related links ── */
.related {
  border-top: 1px solid rgba(15,15,15,0.08);
  padding-top: 28px;
  margin-bottom: 64px;
}
.related h2 { font-size: 18px; margin: 0 0 16px; }
.related ul { list-style: none; padding: 0; margin: 0; }
.related li { margin-bottom: 10px; }
.related a { font-weight: 600; }

/* ── Site footer ── */
footer.site {
  background: #0c0b09;
  color: rgba(252,252,252,0.55);
  padding: 40px 0;
  font-size: 13px;
}
footer.site .container {
  max-width: 1080px;
  display: flex; flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}
footer.site a { color: rgba(252,252,252,0.75); text-decoration: none; }
footer.site a:hover { color: #fff; }

/* ── Responsive ── */
@media (max-width: 600px) {
  body { font-size: 16px; }
  article .lede { font-size: 19px; }
  .dim { padding: 20px 22px; }
  .cta-card { padding: 36px 24px; margin: 48px 0 64px; }
}
