/* Meridian blog — shared styles
   IDENTITY: THE INSTRUMENT — white paper, graphite ink, signal blue.
   One sans at several weights for display; the mono carries every label.
   Square corners, hairline rules, no ornament. Single-theme by design:
   the lab is white. */

:root {
  --paper: #ffffff;
  --tint: #f5f8fa;
  --card: #ffffff;
  --ink: #15181c;
  --mut: #4e5762;
  --faint: #8b939d;
  --hair: #e3e6ea;
  --hair-dark: #c8ced5;
  --blue: #0b6e9e;
  --blue-soft: rgba(11,110,158,.08);
  --good: #1e7f4f;
  --warn: #8a6410;
  --bad: #a33a2a;
  --sans: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --mono: "SF Mono", "Menlo", "Consolas", monospace;

  /* legacy aliases — kept so any stray inline style still resolves */
  --bone: #ffffff;
  --bone-deep: #f5f8fa;
  --navy: #15181c;
  --slate: #4e5762;
  --sand: #8b939d;
  --ice: #0b6e9e;
  --ice-soft: #7fb3dd;
  --gold: #0b6e9e;
  --serif: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: underline; text-decoration-color: var(--hair-dark); text-underline-offset: 2px; }
a:hover { color: var(--ink); text-decoration-color: var(--ink); }
a:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

/* ---------- chrome ---------- */
.util { border-bottom: 1px solid var(--hair); }
.util .inner {
  max-width: 1120px; margin: 0 auto; padding: 8px 30px; text-align: center;
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--faint);
}

nav { border-bottom: 1px solid var(--hair); background: rgba(255,255,255,.94); backdrop-filter: blur(6px); position: sticky; top: 0; z-index: 50; }
nav .inner { max-width: 1120px; margin: 0 auto; padding: 15px 30px; display: flex; align-items: center; gap: 26px; }
.brand {
  display: flex; align-items: center; gap: 12px;
  font-size: 16px; font-weight: 600; letter-spacing: .30em;
  text-decoration: none; color: var(--ink);
}
.brand:hover { color: var(--ink); text-decoration: none; }
.navlinks { margin-left: auto; display: flex; gap: 24px; }
.navlinks a { text-decoration: none; font-family: var(--mono); font-size: 10.5px; letter-spacing: .13em; text-transform: uppercase; color: var(--mut); }
.navlinks a:hover { color: var(--ink); }
@media (max-width: 760px) { .navlinks { display: none; } }

/* ---------- article ---------- */
article { max-width: 760px; margin: 0 auto; padding: 56px 30px 40px; font-size: 17.5px; }
article > p { max-width: 68ch; }

.eyebrow {
  display: inline-block;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--blue);
  border-bottom: 1.5px solid var(--blue); padding-bottom: 5px; margin-bottom: 16px;
}

h1 {
  font-weight: 640;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.04;
  letter-spacing: -.032em;
  margin: 0 0 20px;
  text-wrap: balance;
}

.byline {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--faint); border-bottom: 1px solid var(--hair); padding-bottom: 22px; margin-bottom: 30px;
}
.byline .sep { margin: 0 8px; color: var(--hair-dark); }

/* answer-first block — the extractable paragraph */
.answer {
  position: relative;
  background: var(--tint);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--blue);
  padding: 24px 26px;
  margin: 0 0 34px;
  font-size: 17.5px;
}
.answer p { margin: 0; }
.answer p + p { margin-top: 12px; }
.answer strong { color: var(--ink); }
.answer::before {
  content: "In short";
  position: absolute; top: -9px; left: 22px;
  background: var(--blue); color: #fff;
  font-family: var(--mono); font-size: 9px; letter-spacing: .18em; text-transform: uppercase;
  padding: 2px 9px;
}
.answer + p { font-size: 18px; }

h2 {
  font-weight: 640;
  font-size: clamp(25px, 3.2vw, 33px);
  line-height: 1.1;
  letter-spacing: -.025em;
  margin: 52px 0 14px;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
  text-wrap: balance;
}
h2:first-of-type { border-top: 0; padding-top: 0; }
h3 { font-size: 19px; font-weight: 640; letter-spacing: -.015em; margin: 34px 0 10px; line-height: 1.3; }
p { margin: 0 0 18px; }
strong { font-weight: 640; }

ul, ol { margin: 0 0 20px; padding-left: 22px; }
li { margin-bottom: 9px; }

/* pull quote — the citation lever */
blockquote {
  margin: 30px 0;
  padding: 2px 0 2px 24px;
  border-left: 2px solid var(--blue);
  font-size: 18.5px;
  line-height: 1.5;
  color: var(--ink);
}
blockquote p { margin: 0 0 8px; }
blockquote cite {
  display: block; font-family: var(--mono); font-size: 10.5px; font-style: normal;
  letter-spacing: .1em; text-transform: uppercase; color: var(--faint);
}

/* stat callout */
.stat-callout {
  background: var(--ink);
  color: #e6e9ec;
  padding: 26px 28px;
  margin: 32px 0;
}
.stat-callout .big { font-size: 42px; font-weight: 640; letter-spacing: -.035em; line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.stat-callout .say { margin: 10px 0 0; font-size: 15px; color: #c9d0d7; }
.stat-callout .src { margin: 12px 0 0; font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: #9aa4ae; }
.stat-callout a { color: #7fb3dd; text-decoration-color: rgba(127,179,221,.5); }
.stat-callout a:hover { color: #fff; text-decoration-color: #fff; }

/* tables */
.tbl { overflow-x: auto; margin: 28px 0; border: 1px solid var(--hair); background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
caption { caption-side: top; text-align: left; font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); padding: 14px 16px 8px; }
th { text-align: left; font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--mut); font-weight: 600; padding: 11px 16px; border-bottom: 1.5px solid var(--hair-dark); vertical-align: bottom; background: var(--card); }
td { padding: 11px 16px; border-bottom: 1px solid var(--hair); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
tbody tr:nth-child(even) td { background: var(--tint); }
tbody tr:hover td { background: var(--blue-soft); }

/* status pills for regulatory tables */
.pill { display: inline-block; font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; padding: 3px 8px; white-space: nowrap; }
.pill.no { background: #f7e7e4; color: var(--bad); }
.pill.gray { background: #f3eee2; color: var(--warn); }
.pill.yes { background: #e3efe9; color: var(--good); }

/* warning / note boxes */
.note { background: var(--tint); border: 1px solid var(--hair); border-left: 2px solid var(--ink); padding: 20px 24px; margin: 28px 0; font-size: 15.5px; }
.note .lbl { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); display: block; margin-bottom: 8px; }
.note p:last-child { margin-bottom: 0; }

/* FAQ */
.faq > h2 { margin-bottom: 4px; }
.faq h3 {
  padding-left: 26px; position: relative; font-size: 18.5px;
  border-top: 1px solid var(--hair); padding-top: 22px; margin-top: 26px;
}
.faq h3:first-of-type { margin-top: 18px; }
.faq h3::before {
  content: "?"; position: absolute; left: 0; top: 20px;
  font-family: var(--mono); font-size: 15px; font-weight: 700; color: var(--blue);
}
.faq p { max-width: 66ch; padding-left: 26px; }

/* CTA */
.cta { border: 1px solid var(--hair); border-top: 2px solid var(--ink); background: var(--tint); padding: 30px 30px 32px; margin: 46px 0 0; text-align: center; }
.cta h3 { font-size: 24px; font-weight: 640; letter-spacing: -.025em; margin: 0 0 10px; }
.cta p { font-size: 15.5px; color: var(--mut); max-width: 52ch; margin: 0 auto 20px; }
.btn {
  display: inline-block; background: var(--ink); color: #fff;
  font-family: var(--mono); font-size: 11px; letter-spacing: .13em; text-transform: uppercase;
  padding: 13px 24px; text-decoration: none; transition: background .15s ease;
}
.btn:hover { color: #fff; background: #000; text-decoration: none; }

/* sources */
.sources { margin-top: 46px; border-top: 1px solid var(--hair); padding-top: 24px; font-size: 14px; }
.sources h2 { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--faint); font-weight: 600; margin: 0 0 14px; border-top: 0; padding-top: 0; }
.sources ol { list-style: none; padding-left: 0; counter-reset: src; color: var(--mut); }
.sources li { counter-increment: src; margin-bottom: 7px; padding-left: 34px; position: relative; }
.sources li::before {
  content: counter(src, decimal-leading-zero);
  position: absolute; left: 0; top: 1px;
  font-family: var(--mono); font-size: 11px; color: var(--blue); letter-spacing: .08em;
}

/* related */
.related { margin-top: 40px; border-top: 1px solid var(--hair); padding-top: 24px; }
.related h2 { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--faint); font-weight: 600; margin: 0 0 14px; border-top: 0; padding-top: 0; }
.related ul { list-style: none; padding: 0; display: grid; gap: 0; border: 1px solid var(--hair); }
.related li { margin-bottom: 0; }
.related li + li a { border-top: 1px solid var(--hair); }
.related li a {
  display: block; padding: 14px 16px 14px 34px; position: relative;
  text-decoration: none; color: var(--ink); font-size: 15px; transition: background .15s ease;
}
.related li a::before { content: "\2192"; position: absolute; left: 14px; top: 14px; color: var(--blue); }
.related li a:hover { background: var(--blue-soft); color: var(--ink); }

/* footer */
footer { border-top: 1px solid var(--hair); margin-top: 60px; padding: 40px 0 56px; font-size: 13px; color: var(--mut); }
footer .inner { max-width: 760px; margin: 0 auto; padding: 0 30px; }
footer .inner > div:first-child { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.disclaimer { border-top: 1px solid var(--hair); margin-top: 16px; padding-top: 14px; max-width: 56ch; }
.disclaimer strong { color: var(--ink); }

/* --- mobile --- */
@media (max-width: 620px) {
  article { padding: 40px 22px 30px; font-size: 17px; }
  .answer { padding: 22px 18px; font-size: 16.5px; }
  .faq p, .faq h3 { padding-left: 0; }
  .faq h3::before { display: none; }
  blockquote { font-size: 17.5px; padding-left: 18px; }
  .stat-callout { padding: 22px 20px; }
  .stat-callout .big { font-size: 36px; }
}

/* --- print: sources and URLs survive --- */
@media print {
  .util, nav, .cta, .related { display: none; }
  body { background: #fff; font-size: 11pt; }
  article { max-width: none; padding: 0; }
  .sources a::after { content: " (" attr(href) ")"; font-size: 9pt; word-break: break-all; }
  h2 { page-break-after: avoid; }
  .tbl, .note, .stat-callout { page-break-inside: avoid; }
}