/* Polity Lab design system: black and ivory, controlled saffron accents.
   Source Serif 4 (display) · Inter (body/UI) · IBM Plex Mono (labels, data, metadata). */
:root {
  --ink: #000000;          /* Polity Lab Black (brand guide) */
  --ink-2: #141414;
  --ink-line: rgba(244, 239, 230, 0.14);
  --ivory: #fffdf6;        /* Ivory Background (brand guide) */
  --ivory-2: #f5f1e6;      /* derived tint for alternating sections */
  --paper-line: rgba(12, 12, 13, 0.14);
  --text: #1a1a1c;
  --text-muted: #5c5a55;
  --on-ink: #fffdf6;
  --on-ink-muted: #a8a399;
  --saffron: #ff6600;      /* Polity Lab Saffron (brand guide): fills, rules, accents on black */
  --saffron-text: #b34700; /* derived shade for small text on ivory: 5.4:1 */
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --gutter: clamp(16px, 5vw, 72px);
  --maxw: 1240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--ivory); scroll-behavior: smooth; }
body { background: var(--ivory); color: var(--text); font: 400 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--saffron); outline-offset: 3px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--saffron); color: #000; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- Header ---------- */
/* Ivory header with the approved transparent logo (brand guide: logo on ivory or light backgrounds only,
   at least 60 px wide, clear space = height of the P on all sides). */
.site-header { position: sticky; top: 0; z-index: 40; background: var(--ivory); border-bottom: 1px solid var(--paper-line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand { display: block; line-height: 0; }
.brand { padding: 0 22px 0 0; } .brand img { height: 50px; width: auto; } /* tight-cropped wordmark: ~73 px wide, above the 60 px minimum */
.nav { display: flex; gap: 30px; }
.nav a { color: var(--text-muted); text-decoration: none; font-size: 14.5px; font-weight: 500; letter-spacing: 0.01em; padding: 6px 0; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.nav a:hover { color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); border-color: var(--saffron); }
.header-cta { color: var(--ivory); background: var(--ink); text-decoration: none; font-size: 14px; font-weight: 600; padding: 11px 18px; border-radius: 2px; transition: background .2s; white-space: nowrap; }
.header-cta:hover { background: var(--saffron); color: #000; }
.nav .nav-contact { display: none; }
.site-header.open .nav .nav-contact { display: block; color: var(--saffron-text); font-weight: 600; }
.menu-btn { display: none; background: none; border: 1px solid var(--paper-line); color: var(--text); font: 600 13px var(--sans); padding: 8px 12px; border-radius: 2px; cursor: pointer; }

/* ---------- Type ---------- */
.eyebrow { font: 500 12px/1.4 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--saffron-text); margin-bottom: 20px; display: flex; align-items: center; gap: 12px; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--saffron); flex: none; }
.dark .eyebrow, .hero .eyebrow { color: var(--saffron); }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.015em; line-height: 1.08; }
h1 { font-size: clamp(42px, 6vw, 84px); }
h2 { font-size: clamp(32px, 4vw, 54px); }
h3 { font-size: clamp(22px, 2vw, 27px); line-height: 1.2; }
.lede { font-size: clamp(18px, 1.45vw, 21px); line-height: 1.6; color: var(--text-muted); max-width: 62ch; }
.dark .lede, .hero .lede { color: var(--on-ink-muted); }
p + p { margin-top: 1em; }
h2 + .lede, h1 + .lede { margin-top: 18px; }
.mono { font-family: var(--mono); }

/* ---------- Sections ---------- */
section { position: relative; }
.band { padding: clamp(72px, 10vw, 140px) 0; }
.band.tight { padding: clamp(56px, 7vw, 96px) 0; }
.dark { background: var(--ink); color: var(--on-ink); }
.alt { background: var(--ivory-2); }
.rule { border: 0; border-top: 1px solid var(--paper-line); }
.dark .rule { border-color: var(--ink-line); }
.section-head { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(24px, 5vw, 80px); align-items: end; margin-bottom: clamp(40px, 5vw, 72px); }
.section-head .lede { margin: 0; }

/* Page hero (inner pages) */
.hero { background: var(--ink); color: var(--on-ink); padding: clamp(80px, 11vw, 150px) 0 clamp(64px, 8vw, 110px); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(40px, 5vw, 70px); margin-bottom: 24px; }
.hero-media { position: relative; }
.hero-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }

/* Figures with source lines */
figure.media { margin: 0; }
figure.media img { width: 100%; height: auto; }
figcaption, .source { font: 400 12px/1.5 var(--mono); color: var(--text-muted); margin-top: 12px; letter-spacing: 0.01em; }
.dark figcaption, .hero figcaption, .dark .source { color: var(--on-ink-muted); }
.tag { display: inline-block; font: 500 11px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 3px 8px; border: 1px solid currentColor; border-radius: 2px; margin-right: 8px; opacity: .85; }

/* Pillars / cards */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--paper-line); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 64px); align-items: start; }
.pillar { padding: 32px 28px 36px 0; border-right: 1px solid var(--paper-line); }
.pillar + .pillar { padding-left: 28px; }
.pillar:last-child { border-right: 0; }
.pillar .num { font: 500 13px var(--mono); color: var(--saffron-text); margin-bottom: 18px; display: block; }
.pillar h3 { margin-bottom: 14px; }
.pillar p { font-size: 15.5px; color: var(--text-muted); }
.item { padding: 28px 0; border-top: 1px solid var(--paper-line); display: grid; grid-template-columns: 260px 1fr; gap: 32px; }
.item h3 { font-size: 22px; }
.item p { color: var(--text-muted); }
.dark .item { border-color: var(--ink-line); }
.dark .item p { color: var(--on-ink-muted); }

/* Ordered method steps */
.steps { counter-reset: s; list-style: none; display: grid; gap: 0; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 64px 1fr; gap: 16px; padding: 22px 0; border-top: 1px solid var(--paper-line); }
.steps li::before { content: counter(s, decimal-leading-zero); font: 500 14px var(--mono); color: var(--saffron-text); padding-top: 3px; }
.dark .steps li { border-color: var(--ink-line); }
.dark .steps li::before { color: var(--saffron); }
.steps b { font-weight: 600; }

/* Principles list */
.principles { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; border-top: 1px solid var(--ink-line); }
.principles li { padding: 28px 24px 28px 0; border-bottom: 1px solid var(--ink-line); }
.principles b { display: block; font-family: var(--serif); font-size: 21px; font-weight: 500; margin-bottom: 8px; color: var(--on-ink); }
.principles span { color: var(--on-ink-muted); font-size: 15px; }

/* Data evidence panels */
.evidence { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; }
.evidence + .evidence { margin-top: clamp(56px, 7vw, 100px); }
.evidence.flip { grid-template-columns: 1fr 1.4fr; }
.evidence.flip .ev-media { order: 2; }
.kv { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 28px; margin: 24px 0; }
.kv div { border-left: 2px solid var(--saffron); padding-left: 12px; }
.kv.four { grid-template-columns: repeat(4, auto); }
@media (max-width: 700px) { .kv.four { grid-template-columns: repeat(2, auto); } }
.kv b { display: block; font: 600 26px/1.1 var(--sans); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.kv span { font: 400 12px var(--mono); color: var(--text-muted); }
.dark .kv span { color: var(--on-ink-muted); }

/* ---------- Data dashboards: headline numbers + chart cards ---------- */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--ink); border-bottom: 1px solid var(--paper-line); margin-bottom: clamp(28px, 4vw, 48px); }
.kpis div { padding: 22px 20px 22px 0; }
.kpis div + div { padding-left: 20px; border-left: 1px solid var(--paper-line); }
.kpis b { display: block; font: 500 clamp(34px, 3.6vw, 52px)/1 var(--serif); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.kpis b small { font-size: .5em; margin-left: 2px; color: var(--saffron-text); }
.kpis span { display: block; margin-top: 10px; font: 400 12.5px/1.45 var(--mono); color: var(--text-muted); }
.dark .kpis { border-color: var(--on-ink) var(--on-ink) var(--ink-line); } .dark .kpis div + div { border-color: var(--ink-line); }
.dark .kpis span { color: var(--on-ink-muted); } .dark .kpis b small { color: var(--saffron); }
.dash { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(16px, 2vw, 24px); }
.card { grid-column: span 6; background: #fff; border: 1px solid var(--paper-line); border-radius: 4px; padding: clamp(20px, 2.2vw, 30px); display: flex; flex-direction: column; }
.alt .card { background: var(--ivory); }
.dark .card { background: var(--ink-2); border-color: var(--ink-line); }
.card.w4 { grid-column: span 4; } .card.w8 { grid-column: span 8; } .card.w12 { grid-column: span 12; }
.card .cap { font: 500 11px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--saffron-text); margin-bottom: 8px; }
.dark .card .cap { color: var(--saffron); }
.card h3 { font-size: clamp(20px, 1.8vw, 25px); margin-bottom: 18px; }
.card .chart-wrap { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.card .source { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--paper-line); font-size: 11px; }
.dark .card .source { border-color: var(--ink-line); }
.donut-row { display: grid; grid-template-columns: minmax(170px, 230px) 1fr; gap: 24px; align-items: center; }
.donut-row .legend-row { flex-direction: column; gap: 10px; margin: 0; font-size: 12.5px; }
.chart.donut { max-width: 260px; margin: 0 auto; }
.chart .donut-track { stroke: rgba(12, 12, 13, 0.06); }
.dark .chart .donut-track { stroke: rgba(244, 239, 230, 0.07); }
.chart .donut-n { font: 600 40px var(--serif); fill: var(--text); letter-spacing: -0.02em; }
.chart .donut-sub { font: 400 12px var(--mono); fill: var(--text-muted); }
.dark .chart .donut-n { fill: var(--on-ink); } .dark .chart .donut-sub { fill: var(--on-ink-muted); }
.chart .arc { stroke-dasharray: 0 100; transition: stroke-dasharray 1.2s cubic-bezier(.3,.7,.2,1) var(--d,0s); cursor: default; }
.chart .arc:hover { opacity: .85; }
.in .chart .arc, .live .chart .arc { stroke-dasharray: var(--len) 100; }
.card .chart .col:hover, .card .chart .bar:hover { opacity: .8; }
.card .chart-wrap.rank-split, .rank-split { display: grid; grid-template-columns: 1fr; gap: 8px 48px; align-items: start; } /* columns set by pages.js from the card's width */
@media (max-width: 980px) { .card, .card.w4, .card.w8 { grid-column: span 12; } .kpis { grid-template-columns: repeat(2, 1fr); } .kpis div:nth-child(3) { padding-left: 0; border-left: 0; } .kpis div:nth-child(n+3) { border-top: 1px solid var(--paper-line); } }
@media (max-width: 520px) { .donut-row { grid-template-columns: 1fr; } .donut-row .legend-row { flex-direction: row; } }

/* Charts on ivory and ink (charts.js classes) */
.chart-box { margin-top: 20px; max-width: 460px; }
.chart-box .cap { font: 500 11px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 10px; }
.dark .chart-box .cap { color: var(--on-ink-muted); }
.chart { width: 100%; height: auto; display: block; overflow: visible; font-family: var(--sans); }
.chart .grid { stroke: var(--paper-line); }
.chart .axis, .chart .zero { stroke: rgba(12, 12, 13, 0.5); }
.chart .zero { stroke-dasharray: 3 3; }
.chart .tick { fill: var(--text-muted); font: 10.5px var(--mono); }
.chart .lab { fill: var(--text); font-size: 12px; font-weight: 500; }
.chart .val { fill: var(--text); font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; }
.chart .sub { fill: var(--text-muted); font-size: 11px; }
.chart .end-v { font-weight: 700; font-size: 13px; }
.chart .end-n { font-size: 11px; fill: var(--text-muted); }
.chart .up { fill: #1f7a3f; font-weight: 600; }
.chart .down { fill: #b3261e; font-weight: 600; }
.chart .track { fill: rgba(12, 12, 13, 0.07); }
.chart .stem { stroke: rgba(12, 12, 13, 0.3); }
.chart .line { fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.dark .chart .grid { stroke: var(--ink-line); }
.dark .chart .axis, .dark .chart .zero { stroke: rgba(244, 239, 230, 0.5); }
.dark .chart .tick, .dark .chart .sub, .dark .chart .end-n { fill: var(--on-ink-muted); }
.dark .chart .lab, .dark .chart .val { fill: var(--on-ink); }
.dark .chart .track { fill: rgba(244, 239, 230, 0.08); }
.dark .chart .stem { stroke: rgba(244, 239, 230, 0.35); }
.dark .chart .up { fill: #6fd394; } .dark .chart .down { fill: #ff8a80; }
.chart.stream .band { stroke: rgba(255, 253, 246, .9); stroke-width: .8; }
.dark .chart.stream .band { stroke: rgba(0, 0, 0, .55); }
.chart .band-lab { font: 600 13px var(--sans); fill: #fff; paint-order: stroke; stroke: rgba(0,0,0,.35); stroke-width: 3px; }
.chart .yr .guide { stroke: rgba(127, 127, 127, 0); stroke-width: 1; transition: stroke .15s; }
.chart .yr:hover .guide { stroke: rgba(127, 127, 127, .8); }
.chart .hemi-n { font: 600 34px var(--serif); fill: var(--text); }
.dark .chart .hemi-n { fill: var(--on-ink); }
.legend-row { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 14px; font: 400 12px var(--mono); color: var(--text-muted); }
.legend-row span { display: inline-flex; align-items: center; gap: 7px; }
.legend-row i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.legend-row b { color: var(--text); font-weight: 600; }
.dark .legend-row { color: var(--on-ink-muted); } .dark .legend-row b { color: var(--on-ink); }
.chart-box.wide { max-width: none; }
/* wide charts keep readable text on phones by scrolling sideways */
#chStream, .stream-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
@media (max-width: 760px) { #chStream .chart.stream, .stream-scroll .chart.stream { min-width: 720px; } }
/* charts animate in when their container becomes visible */
.chart .draw { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.3s cubic-bezier(.3,.7,.2,1) var(--d,0s); }
.chart .pop { opacity: 0; transition: opacity .5s ease var(--d,0s); }
.chart .grow { transform: scaleX(0); transform-box: fill-box; transform-origin: left; transition: transform .9s cubic-bezier(.2,.7,.2,1) var(--d,0s); }
.chart .grow-y { transform: scaleY(0); transform-box: fill-box; transform-origin: bottom; transition: transform .7s cubic-bezier(.2,.7,.2,1) var(--d,0s); }
.chart .draw-x { stroke-dasharray: 440; stroke-dashoffset: 440; transition: stroke-dashoffset 1s ease; }
.in .chart .draw, .in .chart .draw-x, .live .chart .draw, .live .chart .draw-x { stroke-dashoffset: 0; }
.in .chart .pop, .live .chart .pop { opacity: 1; }
.in .chart .grow, .live .chart .grow { transform: scaleX(1); }
.in .chart .grow-y, .live .chart .grow-y { transform: scaleY(1); }

/* Live data maps (livemap.js) */
.livemap { position: relative; aspect-ratio: 16 / 10; background: #000; border-radius: 2px; overflow: hidden; cursor: crosshair; color: var(--on-ink); }
.livemap.tall { aspect-ratio: 5 / 4; }
.livemap .lm-base, .livemap .lm-over { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.livemap .lm-over { pointer-events: none; }
.lm-bar { position: absolute; top: 14px; left: 14px; right: 14px; display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; flex-wrap: wrap; pointer-events: none; }
.lm-chips, .lm-views { display: flex; gap: 6px; flex-wrap: wrap; pointer-events: auto; }
.lm-chip, .lm-view { display: inline-flex; align-items: center; gap: 8px; font: 500 11px var(--mono); letter-spacing: .04em; padding: 7px 11px; color: var(--on-ink); background: rgba(0,0,0,.6); border: 1px solid rgba(255,253,246,.28); border-radius: 2px; cursor: pointer; backdrop-filter: blur(6px); transition: opacity .2s, border-color .2s, background .2s; }
.lm-chip i { width: 12px; height: 4px; border-radius: 2px; flex: none; }
.lm-chip[aria-pressed="false"] { opacity: .45; }
.lm-chip:hover, .lm-view:hover { border-color: rgba(255,253,246,.6); }
.lm-view[aria-pressed="true"] { border-color: var(--saffron); background: rgba(255,102,0,.18); }
.lm-legend { position: absolute; left: 14px; right: 14px; bottom: 12px; display: flex; flex-wrap: wrap; gap: 6px 16px; font: 400 11px var(--mono); color: var(--on-ink-muted); pointer-events: none; }
.lm-legend span { display: inline-flex; align-items: center; gap: 7px; }
.lm-legend .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.lm-legend .ramp { width: 64px; height: 6px; border-radius: 3px; display: inline-block; background: linear-gradient(90deg, #c62f43, #e8677a, #f0a35a, #ecc94b, #8fd14f, #2fbf5b); }
.lm-legend .bar { width: 18px; height: 2px; background: var(--on-ink); display: inline-block; }
.lm-tip { position: absolute; z-index: 3; pointer-events: none; opacity: 0; transition: opacity .12s; background: rgba(20,20,20,.94); border: 1px solid rgba(255,253,246,.2); border-radius: 2px; padding: 9px 12px; font-size: 12.5px; line-height: 1.5; min-width: 160px; max-width: 260px; }
.lm-tip.show { opacity: 1; }
.lm-tip small { color: var(--on-ink-muted); font-family: var(--mono); font-size: 10.5px; }
.livemap.loading::after { content: "Loading map data…"; position: absolute; inset: 0; display: grid; place-items: center; font: 400 12px var(--mono); color: var(--on-ink-muted); }
.livemap.failed::after { content: "Map data could not be loaded."; position: absolute; inset: 0; display: grid; place-items: center; font: 400 12px var(--mono); color: var(--on-ink-muted); }
.map-note { font: 400 12px var(--mono); color: var(--text-muted); margin-top: 12px; }
.dark .map-note { color: var(--on-ink-muted); }
@media (max-width: 700px) { .livemap, .livemap.tall { aspect-ratio: 4 / 5; } .lm-legend { font-size: 10px; } }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* Buttons */
.ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 600 15px var(--sans); padding: 15px 24px; border-radius: 2px; transition: transform .2s, background .2s, border-color .2s; }
.btn-primary { background: var(--saffron); color: #000; } /* black on saffron 7.15:1; white fails */
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { border: 1px solid currentColor; color: inherit; }
.btn-ghost:hover { background: rgba(127, 127, 127, 0.12); }
.text-link { color: var(--saffron-text); font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; }
.dark .text-link { color: var(--saffron); }

/* Quote / statement */
.statement { font-family: var(--serif); font-size: clamp(28px, 3.4vw, 46px); line-height: 1.2; letter-spacing: -0.01em; max-width: 22ch; }

/* Closing CTA */
.closing { text-align: left; }
.closing h2 { max-width: 16ch; margin-bottom: 20px; }
.mail { font: 500 clamp(20px, 2.2vw, 28px) var(--mono); color: var(--saffron); text-decoration: none; border-bottom: 1px solid rgba(252, 79, 1, .4); }

/* Footer */
.site-footer { background: var(--ivory); color: var(--text-muted); padding: 72px 0 40px; font-size: 14px; border-top: 1px solid var(--paper-line); }
.site-footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; }
.site-footer .brand img { height: 72px; width: auto; margin: 0 0 22px; }
.site-footer p { max-width: 46ch; }
.site-footer h4 { font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text); margin-bottom: 14px; }
.site-footer ul { list-style: none; display: grid; gap: 8px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.site-footer .legal { margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--paper-line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font: 12px var(--mono); }

/* Responsive */
@media (max-width: 980px) {
  .nav, .header-cta { display: none; }
  .menu-btn { display: block; }
  .site-header.open .nav { display: flex; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--ivory); border-bottom: 1px solid var(--paper-line); padding: 8px var(--gutter) 20px; }
  .site-header.open .nav a { padding: 14px 0; border-bottom: 1px solid var(--paper-line); }
  .hero .wrap, .section-head, .grid-2, .evidence, .evidence.flip { grid-template-columns: 1fr; }
  .evidence.flip .ev-media { order: 0; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .pillar, .pillar + .pillar { padding: 28px 20px 28px 0; border-right: 0; border-bottom: 1px solid var(--paper-line); }
  .grid-3 { grid-template-columns: 1fr; }
  .item { grid-template-columns: 1fr; gap: 10px; }
  .site-footer .cols { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .grid-4 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: repeat(2, auto); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .chart .draw, .chart .pop, .chart .grow, .chart .grow-y, .chart .draw-x, .chart .arc { transition: none; }
}