/* ═══════════════════════════════════════════════════════════════════
   GEOANALYTIC · BLOG
   Standalone: the blog has its own minimal header and footer and does
   not load the retired site's landing.css. Geoanalytic research style
   (IBM Plex, #4da3ff, near-black #0a0b0d) with a light "paper" mode.
   ═══════════════════════════════════════════════════════════════════ */

.blog-main {
  --b-bg: #0a0b0d;
  --b-panel: #101216;
  --b-panel-2: #161a1f;
  --b-line: #22272e;
  --b-line-strong: #2f363f;
  --b-text: #e6e6e3;
  --b-text-2: #c2c5cb;
  --b-muted: #8a8f98;
  --b-faint: #5f656e;
  --b-accent: #4da3ff;
  --b-accent-soft: #4da3ff1f;
  --b-sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --b-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  /* chart tokens (used by the inline SVG charts) */
  --line: #22272e; --line-strong: #2f363f;
  --text: #e6e6e3; --text-2: #c2c5cb; --muted: #8a8f98; --faint: #5f656e;
  --sen: #4da3ff; --gha: #e8743b; --zmb: #2fbf8f; --base: #c2c5cb;
  --down: #ff5c5c; --accent-ink: #06121f; --chart-bg: var(--b-panel);

  position: relative;
  z-index: 1;
  background: var(--b-bg);
  color: var(--b-text-2);
  font-family: var(--b-sans);
  transition: background .25s ease, color .25s ease;
}
html[data-theme="light"] .blog-main {
  --b-bg: #f7f6f2;
  --b-panel: #ffffff;
  --b-panel-2: #f0eee8;
  --b-line: #e2ded5;
  --b-line-strong: #cbc5b9;
  --b-text: #121722;
  --b-text-2: #343c4a;
  --b-muted: #5d6676;
  --b-faint: #8a92a0;
  --b-accent: #1f6fd1;
  --b-accent-soft: rgba(31, 111, 209, 0.08);

  --line: #e6e3dc; --line-strong: #c9cdd3;
  --text: #121417; --text-2: #343a42; --muted: #5f656e; --faint: #8a8f98;
  --sen: #1f6fd1; --gha: #c4561f; --zmb: #128a62; --base: #8a8f98;
  --down: #c93434; --accent-ink: #ffffff;
}
/* base (blog pages do not load the retired site's landing.css) */
:root { --pad-x: clamp(20px, 4vw, 56px); }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.blog-page { margin: 0; background: #0a0b0d; color: #c2c5cb; font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif; font-size: 16px; line-height: 1.5; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
:where(.blog-page) :where(img) { display: block; max-width: 100%; height: auto; }
:where(.blog-page) :where(button) { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
html[data-theme="light"] body.blog-page { background: #f7f6f2; }
:where(.blog-page) :where(h1, h2, h3, h4, h5, h6, p, figure, ol, ul, dl, dd, blockquote) { margin: 0; padding: 0; }
:where(.blog-page) :where(ol, ul) { list-style: none; }
:where(.blog-page) :where(a) { color: inherit; text-decoration: none; }

.blog-main a { color: var(--b-accent); }
.blog-main a:hover { text-decoration: underline; }
.b-wrap { width: min(1180px, 100vw - var(--pad-x) * 2); margin: 0 auto; }
.b-eyebrow { font-family: var(--b-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--b-accent); }
.b-meta { font-family: var(--b-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--b-muted); }

/* ── theme toggle ─────────────────────────────────────────────── */
.b-theme { display: inline-flex; border: 1px solid var(--b-line-strong); border-radius: 2px; overflow: hidden; }
.b-theme button { font-family: var(--b-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; padding: 7px 12px; color: var(--b-muted); background: transparent; }
.b-theme button[aria-pressed="true"] { background: var(--b-accent-soft); color: var(--b-accent); }

/* ── breadcrumbs ──────────────────────────────────────────────── */
.b-crumbs { display: flex; align-items: center; gap: 8px; font-family: var(--b-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--b-faint); }
.b-crumbs a { color: var(--b-muted); }
.b-topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 28px 0 0; flex-wrap: wrap; }

/* ── index page ───────────────────────────────────────────────── */
.b-hero { padding: 56px 0 36px; border-bottom: 1px solid var(--b-line); }
.b-hero h1 { font-family: var(--b-sans); font-weight: 600; font-size: clamp(34px, 5vw, 56px); line-height: 1.06; letter-spacing: -.02em; color: var(--b-text); margin: 14px 0 16px; max-width: 18ch; }
.b-hero p { font-size: 18px; line-height: 1.6; color: var(--b-text-2); max-width: 62ch; }
.b-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; padding: 40px 0 88px; }
.b-card { display: flex; flex-direction: column; background: var(--b-panel); border: 1px solid var(--b-line); border-radius: 2px; overflow: hidden; color: inherit; transition: border-color .2s, transform .2s; }
.b-card:hover { border-color: var(--b-accent); transform: translateY(-2px); text-decoration: none !important; }
.b-card__img { aspect-ratio: 1200 / 630; background: var(--b-panel-2); border-bottom: 1px solid var(--b-line); }
.b-card__img img { width: 100%; height: 100%; object-fit: cover; }
.b-card__body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; }
.b-card h2 { font-size: 22px; line-height: 1.25; letter-spacing: -.01em; color: var(--b-text); font-weight: 600; }
.b-card p { font-size: 15px; line-height: 1.55; color: var(--b-text-2); }
.b-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.b-tags span { font-family: var(--b-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--b-muted); border: 1px solid var(--b-line-strong); padding: 3px 7px; border-radius: 2px; }
.img-dark, .img-light { display: block; }
html[data-theme="light"] .img-dark, html:not([data-theme="light"]) .img-light { display: none; }

/* ── post header ──────────────────────────────────────────────── */
.p-head { padding: 36px 0 0; max-width: 932px; }
.p-head h1 { font-size: clamp(32px, 4.6vw, 52px); line-height: 1.08; letter-spacing: -.02em; color: var(--b-text); font-weight: 600; margin: 14px 0 16px; }
.p-dek { font-size: 20px; line-height: 1.55; color: var(--b-muted); max-width: 64ch; }
.p-byline { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 22px; padding: 12px 0; border-top: 1px solid var(--b-line); border-bottom: 1px solid var(--b-line); }

.p-tabs { position: sticky; top: 64px; z-index: 50; box-shadow: 0 0 0 100vmax var(--b-bg); clip-path: inset(0 -100vmax); display: flex; gap: 6px; margin-top: 28px; padding: 10px 0; background: var(--b-bg); border-bottom: 1px solid var(--b-line); transition: background .25s ease; }
.p-tabs a { display: inline-flex; align-items: center; gap: 9px; font-family: var(--b-mono); font-size: 12.5px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--b-muted); padding: 10px 18px; border: 1px solid var(--b-line-strong); border-radius: 2px; background: transparent; text-decoration: none !important; cursor: pointer; transition: color .15s, background .15s, border-color .15s; }
.p-tabs a:hover { color: var(--b-text); border-color: var(--b-muted); }
.p-tabs a[aria-selected="true"] { color: var(--b-accent); background: var(--b-accent-soft); border-color: var(--b-accent); }
.p-tabs svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.p-tabs__n { font-size: 10.5px; letter-spacing: 0; padding: 1px 6px; border-radius: 2px; background: var(--b-panel-2); color: var(--b-muted); }
.p-tabs a[aria-selected="true"] .p-tabs__n { background: var(--b-accent); color: var(--accent-ink); }

.p-layout { display: grid; grid-template-columns: minmax(0, 1fr) 200px; gap: 48px; padding: 36px 0 88px; justify-content: space-between; }
.p-toc { position: sticky; top: 150px; align-self: start; border-left: 1px solid var(--b-line); padding-left: 18px; }
.p-toc h2 { font-family: var(--b-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--b-faint); margin-bottom: 10px; font-weight: 500; }
.p-toc ol { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.p-toc a { color: var(--b-muted); font-size: 13.5px; line-height: 1.35; }
.p-toc .p-cta { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--b-line); font-size: 13.5px; color: var(--b-text-2); line-height: 1.5; }
.p-toc .p-cta a.btnlink { display: inline-block; margin-top: 10px; font-family: var(--b-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; border: 1px solid var(--b-accent); padding: 8px 12px; }

/* ── article body ─────────────────────────────────────────────── */
.p-body { font-size: 18px; line-height: 1.75; color: var(--b-text-2); }
.p-body h2 { color: var(--b-text); font-size: 26px; letter-spacing: -.01em; line-height: 1.25; margin: 48px 0 12px; font-weight: 600; scroll-margin-top: 140px; }
.p-body p { margin: 0 0 20px; }
.p-body strong { color: var(--b-text); font-weight: 600; }
.p-body ul { list-style: disc; padding-left: 22px; margin: 0 0 20px; } .p-body li { margin-bottom: 8px; }
.p-body blockquote { margin: 32px 0; padding: 4px 0 4px 22px; border-left: 2px solid var(--b-accent); color: var(--b-text); font-size: 21px; line-height: 1.5; }
.p-body .callout { background: var(--b-accent-soft); border: 1px solid var(--b-line-strong); padding: 18px 22px; margin: 28px 0; font-size: 16.5px; }
.p-body .callout b { display: block; font-family: var(--b-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--b-accent); margin-bottom: 6px; font-weight: 500; }
.p-body .lede { font-size: 20px; color: var(--b-text); }

/* figures & charts */
.fig { margin: 32px 0; background: var(--b-panel); border: 1px solid var(--b-line); padding: 22px 22px 16px; border-radius: 2px; }
.fig h3 { font-size: 17px; color: var(--b-text); margin-bottom: 4px; font-weight: 600; line-height: 1.3; }
.fig .sub { font-size: 13.5px; color: var(--b-muted); margin-bottom: 10px; }
.fig figcaption { font-size: 13px; color: var(--b-muted); line-height: 1.5; margin-top: 10px; }
.fig svg { width: 100%; height: auto; display: block; overflow: visible; }
.legend { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12.5px; color: var(--b-text-2); margin: 0 0 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.legend i.dash { background: none !important; border: 1.5px dashed var(--muted); }
.fig text { font-family: var(--b-sans); }
.t-ax { fill: var(--muted); font-size: 12px; font-family: var(--b-mono) !important; }
.t-lbl { fill: var(--text-2); font-size: 13px; }
.t-val { fill: var(--text); font-size: 13px; font-family: var(--b-mono) !important; font-weight: 500; }
.t-ann { fill: var(--text-2); font-size: 12px; }
.t-ann-b { fill: var(--text); font-size: 12.5px; font-weight: 600; }
.gl { stroke: var(--line); stroke-width: 1; }
.base { stroke: var(--line-strong); stroke-width: 1; }
.ref { stroke: var(--down); stroke-width: 1.5; stroke-dasharray: 4 4; }
.t-ref { fill: var(--down); font-size: 11.5px; font-family: var(--b-mono) !important; }
.lead { stroke: var(--muted); stroke-width: 1; fill: none; }
.vmark { stroke: var(--faint); stroke-width: 1; stroke-dasharray: 3 3; }
.f-sen { fill: var(--sen); } .f-gha { fill: var(--gha); } .f-zmb { fill: var(--zmb); } .f-base { fill: var(--base); } .f-muted { fill: var(--line-strong); }
.s-sen { stroke: var(--sen); } .s-gha { stroke: var(--gha); }
.ghost { fill: none; stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 4 3; }

/* charts tab */
.c-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--b-line); border: 1px solid var(--b-line); margin: 0 0 28px; }
.c-tile { background: var(--b-panel); padding: 18px 18px 16px; }
.c-tile .v { font-family: var(--b-mono); font-size: 30px; font-weight: 500; color: var(--b-text); letter-spacing: -.02em; line-height: 1.1; }
.c-tile .v.acc { color: var(--b-accent); }
.c-tile .l { font-size: 13px; color: var(--b-text-2); margin-top: 6px; line-height: 1.4; }
.c-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.c-grid .fig { margin: 0; }
.c-grid .fig.wide { grid-column: 1 / -1; }
.c-grid .fig .eyebrow { font-family: var(--b-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--b-faint); margin-bottom: 4px; }
table.cmp { width: 100%; border-collapse: collapse; font-size: 14px; }
table.cmp th, table.cmp td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--b-line); vertical-align: top; color: var(--b-text-2); }
table.cmp th { font-family: var(--b-mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--b-muted); font-weight: 500; }
table.cmp td:first-child { color: var(--b-muted); font-size: 13px; width: 20%; }
table.cmp .num { font-family: var(--b-mono); font-size: 13px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 7px; vertical-align: 1px; }
.tbl-scroll { overflow-x: auto; }

.p-refs { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--b-line); font-size: 14px; color: var(--b-muted); }
.p-refs h2 { font-size: 13px !important; font-family: var(--b-mono); letter-spacing: .12em; text-transform: uppercase; margin: 0 0 10px !important; color: var(--b-muted) !important; font-weight: 500; }
.p-refs ol { padding-left: 20px; list-style: decimal; } .p-refs li { margin-bottom: 6px; }
.p-end { margin-top: 40px; padding: 24px; border: 1px solid var(--b-line-strong); background: var(--b-panel); display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.p-end p { margin: 0 !important; font-size: 16px; color: var(--b-text); }

[hidden] { display: none !important; }

@media (max-width: 1000px) {
  .p-layout { grid-template-columns: 1fr; gap: 0; }
  .p-toc { display: none; }
  .c-grid { grid-template-columns: 1fr; }
  .c-tiles { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .p-body { font-size: 17px; }
  .fig { padding: 16px 12px 12px; margin: 24px -8px; }
  .b-list { grid-template-columns: 1fr; }
}

/* ── Standalone blog header & footer (no links into the retired site) ── */
.b-nav, .b-foot { --n-bg: #0a0b0de6; --n-line: #22272e; --n-text: #e6e6e3; --n-muted: #8a8f98; --n-accent: #4da3ff; --n-solid: #0a0b0d; }
html[data-theme="light"] .b-nav, html[data-theme="light"] .b-foot { --n-bg: rgba(247, 246, 242, 0.92); --n-line: #e2ded5; --n-text: #121722; --n-muted: #5d6676; --n-accent: #1f6fd1; --n-solid: #f7f6f2; }
.b-nav { position: sticky; top: 0; z-index: 100; background: var(--n-bg); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); border-bottom: 1px solid var(--n-line); transition: background .25s ease; }
.b-nav__inner, .b-foot__inner { width: min(1180px, 100vw - var(--pad-x, 24px) * 2); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.b-nav__inner { height: 64px; }
.b-brand { display: inline-flex; align-items: center; gap: 12px; color: var(--n-text); text-decoration: none; }
.b-brand__name { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 13px; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; }
.b-brand__sym { display: block; }
.sym-light { display: none !important; }
html[data-theme="light"] .sym-dark { display: none !important; }
html[data-theme="light"] .sym-light { display: block !important; }
.b-nav__links, .b-foot__links { display: flex; align-items: center; gap: 22px; font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; }
.b-nav__links a, .b-foot__links a { color: var(--n-muted); text-decoration: none; transition: color .2s, background .2s; }
.b-nav__links a:hover, .b-foot__links a:hover { color: var(--n-text); }
.b-nav__home { border: 1px solid var(--n-accent); color: var(--n-accent) !important; padding: 8px 14px; border-radius: 2px; }
.b-nav__home:hover { background: color-mix(in srgb, var(--n-accent) 12%, transparent); }
body[data-page="blogs"] .b-nav__blogs { color: var(--n-text); }
.b-foot { background: var(--n-solid); border-top: 1px solid var(--n-line); position: relative; z-index: 1; transition: background .25s ease; }
.b-foot__inner { padding: 28px 0 32px; flex-wrap: wrap; }
.b-foot__copy { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 11px; letter-spacing: .1em; color: var(--n-muted); }
.p-end a.btnlink { font-family: var(--b-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; border: 1px solid var(--b-accent); padding: 9px 14px; }
@media (max-width: 560px) {
  .b-brand__name { font-size: 11px; letter-spacing: .16em; }
  .b-nav__links { gap: 14px; font-size: 10.5px; }
  .b-nav__home { padding: 7px 10px; }
}
@media (max-width: 560px) {
  .p-tabs { gap: 6px; }
  .p-tabs a { flex: 1; justify-content: center; padding: 10px 8px; font-size: 11.5px; letter-spacing: .06em; }
}

/* charts tab: full width, no "On this page" sidebar (as in the original story layout) */
.p-layout[data-view="charts"] { grid-template-columns: minmax(0, 1fr); }
.p-layout[data-view="charts"] .p-toc { display: none; }
.p-layout[data-view="charts"] #panel-charts { max-width: none; }
.p-layout[data-view="charts"] .c-tiles { grid-template-columns: repeat(6, 1fr); }
.p-layout[data-view="charts"] .c-grid { gap: 24px; }
.p-layout[data-view="charts"] .c-grid .fig { padding: 26px 28px 20px; }
@media (max-width: 1100px) { .p-layout[data-view="charts"] .c-tiles { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px) { .p-layout[data-view="charts"] .c-tiles { grid-template-columns: 1fr 1fr; } }