/* Pearl River Post — "Delta at Night" design system */
:root{--ink:#0B1220;--ink-2:#0F1829;--ink-3:#152036;--deep:#070C16;--line:rgba(233,228,216,.09);--line-2:rgba(233,228,216,.18);
  --pearl:#E9E4D8;--text:#C3CAD6;--muted:#8C96A8;--seal:#C8382C;--jade:#7FD1C1;--amber:#E8C48A;
  --serif:Newsreader,"Instrument Serif",Georgia,serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.75,.15,1);--gutter:clamp(20px,6vw,96px);--mast:72px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink);color-scheme:dark}
body{margin:0;min-height:100vh;background:var(--ink);color:var(--text);font:16px/1.7 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body::after{content:"";position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
a{color:inherit}
::selection{background:var(--seal);color:#fff}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:var(--pearl);color:var(--ink);padding:8px 12px}

/* ---------- masthead ---------- */
.mast{position:sticky;top:0;z-index:60;height:var(--mast);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 var(--gutter);
  background:rgba(11,18,32,.84);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line);color:var(--pearl);view-transition-name:mast}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--pearl)}
.brand-logo{width:34px;height:34px;flex:none;overflow:visible}
.brand-name{font:400 21px/1 var(--serif);letter-spacing:-.01em;white-space:nowrap}
.brand-name em{font-style:italic}
.mast nav{display:flex;gap:28px;font-size:13px;letter-spacing:.01em}
.mast nav a{position:relative;text-decoration:none;color:var(--muted);padding:6px 0;transition:color .3s}
.mast nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--seal);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.mast nav a:hover,.mast nav a[aria-current=page]{color:var(--pearl)}
.mast nav a:hover::after,.mast nav a[aria-current=page]::after{transform:scaleX(1);transform-origin:left}
.menu{display:none;background:transparent;color:var(--pearl);border:1px solid var(--line-2);padding:9px 14px;font:600 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;cursor:pointer}
.progress{position:fixed;left:0;right:0;top:var(--mast);height:2px;z-index:59;transform-origin:left;transform:scaleX(0);background:linear-gradient(90deg,var(--seal),var(--amber) 55%,var(--pearl));pointer-events:none}

/* logo */
.brand-logo .seal{fill:var(--seal)}
.brand-logo .seal-in{fill:none;stroke:rgba(243,238,228,.35);stroke-width:.7}
.brand-logo .br{fill:none;stroke:#F3EEE4;stroke-width:1.7;stroke-linecap:round}
.brand-logo .fl{fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-dasharray:.16 1;stroke-dashoffset:.16;opacity:0}
.brand-logo .pearl{fill:#F3EEE4;transform-box:fill-box;transform-origin:center}
.js .brand-logo .br{stroke-dasharray:1;stroke-dashoffset:1;animation:logoDraw 1.1s var(--ease) forwards}
.js .brand-logo .b2{animation-delay:.12s}.js .brand-logo .b3{animation-delay:.24s}
.js .brand-logo .pearl{transform:scale(0);animation:logoPearl .7s cubic-bezier(.3,1.6,.5,1) .75s forwards}
.brand:hover .fl{opacity:1;animation:logoFlow 1.3s linear infinite}
.brand:hover .f2{animation-delay:-.45s}.brand:hover .f3{animation-delay:-.9s}
.brand:hover .pearl{animation:logoBeat 1.3s ease-in-out infinite}
@keyframes logoDraw{to{stroke-dashoffset:0}}
@keyframes logoPearl{to{transform:scale(1)}}
@keyframes logoFlow{from{stroke-dashoffset:.16}to{stroke-dashoffset:-1}}
@keyframes logoBeat{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}

/* ---------- page hero (delta map) sizing for inner pages ---------- */
.delta-hero--page{min-height:clamp(560px,76svh,820px)}
.delta-hero--page .delta-h1{font-size:clamp(36px,3.7vw,60px);line-height:1.05}
.delta-caption{position:absolute;z-index:6;right:clamp(16px,3vw,40px);bottom:46px;font:600 10px/1.4 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--muted);text-align:right;max-width:34ch;opacity:0;transform:translateY(8px);transition:opacity 1s ease 2.2s,transform 1s var(--ease) 2.2s}
.delta-caption::before{content:"";display:block;width:28px;height:1px;background:var(--seal);margin:0 0 10px auto}
.delta-hero.is-in .delta-caption{opacity:1;transform:none}

/* ---------- sections ---------- */
main{counter-reset:sec}
.content-section,.faq,.sources{position:relative;max-width:1180px;margin:0 auto;padding:clamp(64px,9vw,124px) var(--gutter);border-bottom:1px solid var(--line)}
.section-kicker,.eyebrow{display:flex;align-items:center;gap:14px;font:600 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.section-kicker::before{counter-increment:sec;content:counter(sec,decimal-leading-zero);color:var(--seal)}
.section-kicker::after{content:"";flex:0 0 56px;height:1px;background:var(--line-2);transform-origin:left;transform:scaleX(var(--k,1));transition:transform 1.1s var(--ease) .25s}
.content-section h2,.faq h2,.sources h2{font:400 clamp(34px,4.2vw,60px)/1.04 var(--serif);letter-spacing:-.02em;color:var(--pearl);margin:20px 0 36px;max-width:22ch}
.content-section p{font-size:17px;max-width:68ch;margin:0 0 1.15em}
.content-section>p:first-of-type{font:400 clamp(20px,1.8vw,24px)/1.5 var(--serif);color:var(--pearl);max-width:56ch}
.content-section p a,.faq p a,.sources a{color:var(--pearl);text-decoration:none;background:linear-gradient(var(--seal),var(--seal)) 0 100%/100% 1px no-repeat;transition:background-size .45s var(--ease),color .3s}
.content-section p a:hover,.faq p a:hover,.sources a:hover{background-size:0 1px;background-position:100% 100%}

/* cards: hairline ledger grid */
.cards,.gloss-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.gloss-grid{grid-template-columns:repeat(2,1fr)}
.card{position:relative;overflow:hidden;background:var(--ink);padding:32px 30px 34px;min-height:240px;transition:background .5s}
.card::before{content:"";position:absolute;left:0;top:0;height:1px;width:100%;background:linear-gradient(90deg,transparent,var(--seal) 30%,var(--amber) 60%,transparent);transform:translateX(-101%)}
.card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .4s;background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(233,228,216,.07),transparent 70%)}
.card:hover{background:var(--ink-2)}
.card:hover::before{animation:sweep 1.1s var(--ease)}
.card:hover::after{opacity:1}
.card>span{font:600 10.5px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--seal)}
.card h3{font:400 clamp(23px,2vw,28px)/1.15 var(--serif);letter-spacing:-.01em;color:var(--pearl);margin:18px 0 12px}
.gloss-grid .card h3{margin-top:0}
.card p{font-size:15px;line-height:1.65;margin:0 0 18px;color:var(--text)}
.card a{display:inline-flex;align-items:center;gap:8px;color:var(--pearl);text-decoration:none;font-weight:600;font-size:14px}
.card a::after{content:"";width:18px;height:1px;background:currentColor;transition:width .4s var(--ease)}
.card:hover a::after{width:34px}
@keyframes sweep{from{transform:translateX(-101%)}to{transform:translateX(101%)}}

/* Topic accordion: a text-first gallery in the Pearl River Post palette */
.topic-reel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:8px;background:var(--line);border:1px solid var(--line)}
.topic-panel{--topic-accent:var(--seal);position:relative;isolation:isolate;overflow:hidden;min-height:280px;background:var(--ink);transition:flex .72s var(--ease),background .55s var(--ease)}
.topic-panel::before,.topic-panel::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none}
.topic-panel::before{opacity:.88;background:radial-gradient(ellipse at 75% 18%,color-mix(in srgb,var(--topic-accent) 30%,transparent),transparent 58%),linear-gradient(145deg,var(--ink-2),var(--deep) 76%)}
.topic-panel::after{inset:auto -18% -50% 28%;height:100%;border-radius:50%;border:1px solid color-mix(in srgb,var(--topic-accent) 24%,transparent);box-shadow:0 0 0 22px color-mix(in srgb,var(--topic-accent) 5%,transparent),0 0 0 46px color-mix(in srgb,var(--topic-accent) 4%,transparent);transform:rotate(-18deg);opacity:.5;transition:transform .9s var(--ease),opacity .6s}
.topic-panel:nth-child(2){--topic-accent:var(--jade)}.topic-panel:nth-child(3){--topic-accent:var(--amber)}.topic-panel:nth-child(4){--topic-accent:#9CAFE8}.topic-panel:nth-child(5){--topic-accent:#D98B75}.topic-panel:nth-child(6){--topic-accent:#85B8C8}
.topic-panel:hover::after,.topic-panel[data-active="true"]::after{transform:translate(-5%,-7%) rotate(-8deg) scale(1.12);opacity:.82}
.topic-trigger{position:relative;z-index:1;display:flex;width:100%;height:100%;min-height:170px;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:16px;padding:28px 26px;border:0;background:transparent;color:var(--pearl);text-align:left;cursor:pointer}
.topic-mark{font:600 11px/1 var(--mono);letter-spacing:.16em;color:var(--topic-accent)}
.topic-label{font:600 10px/1.3 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--topic-accent)}
.topic-title{font:400 clamp(22px,2vw,30px)/1.18 var(--serif);max-width:18ch}
.topic-arrow{margin-top:auto;font:400 22px/1 var(--sans);color:var(--topic-accent);transition:transform .45s var(--ease)}
.topic-panel:hover .topic-arrow,.topic-panel[data-active="true"] .topic-arrow{transform:translate(4px,-4px)}
.topic-detail{position:static;z-index:2;padding:0 26px 26px;opacity:1;transition:opacity .28s ease,transform .45s var(--ease)}
.topic-detail p{max-width:48ch;margin:0 0 20px;font-size:15px;line-height:1.6;color:var(--text)}
.topic-detail a{display:inline-flex;align-items:center;gap:14px;color:var(--pearl);font:600 11px/1.2 var(--mono);letter-spacing:.08em;text-decoration:none}
.topic-detail a span{color:var(--topic-accent);font-size:18px;transition:transform .35s var(--ease)}.topic-detail a:hover span{transform:translateX(5px)}
.topic-reel.is-enhanced{display:flex;gap:8px;height:clamp(420px,42vw,520px);background:transparent;border:0}
.topic-reel.is-enhanced .topic-panel{display:flex;flex:0 0 76px;min-width:0;min-height:0;border:1px solid var(--line);border-radius:3px;transition:flex .72s var(--ease),border-color .45s,background .45s}
.topic-reel.is-enhanced .topic-panel[data-active="true"]{flex:1 1 560px;border-color:color-mix(in srgb,var(--topic-accent) 40%,var(--line))}
.topic-reel.is-enhanced .topic-trigger{min-height:0;padding:24px 19px;justify-content:space-between;gap:18px}
.topic-reel.is-enhanced .topic-panel:not([data-active="true"]) .topic-trigger{align-items:center;padding:20px 12px}
.topic-reel.is-enhanced .topic-panel:not([data-active="true"]) .topic-label{writing-mode:vertical-rl;transform:rotate(180deg);white-space:nowrap}
.topic-reel.is-enhanced .topic-panel:not([data-active="true"]) .topic-title,.topic-reel.is-enhanced .topic-panel:not([data-active="true"]) .topic-detail{opacity:0;pointer-events:none;transform:translateY(8px)}
.topic-reel.is-enhanced .topic-panel[data-active="true"] .topic-title{max-width:14ch;font-size:clamp(30px,3.4vw,48px)}
.topic-reel.is-enhanced .topic-detail{position:absolute;left:24px;right:24px;bottom:26px;padding:0;max-width:440px;transition-delay:.12s}
.topic-reel.is-enhanced .topic-panel:not([data-active="true"]) .topic-arrow{font-size:18px}
@media(max-width:900px){.topic-reel.is-enhanced{height:440px}.topic-reel.is-enhanced .topic-panel{flex-basis:58px}.topic-reel.is-enhanced .topic-panel[data-active="true"]{flex-basis:420px}}
@media(max-width:620px){.topic-reel,.topic-reel.is-enhanced{display:flex;flex-direction:column;height:auto;gap:7px;background:transparent;border:0}.topic-reel .topic-panel,.topic-reel.is-enhanced .topic-panel{flex:0 0 auto;min-height:0;border:1px solid var(--line);border-radius:3px}.topic-reel .topic-trigger,.topic-reel.is-enhanced .topic-trigger{min-height:0;padding:19px 20px;display:grid;grid-template-columns:36px 1fr auto;align-items:center;gap:6px 12px}.topic-reel .topic-mark,.topic-reel.is-enhanced .topic-mark{grid-row:1 / span 2}.topic-reel .topic-label,.topic-reel.is-enhanced .topic-label,.topic-reel.is-enhanced .topic-panel:not([data-active="true"]) .topic-label{writing-mode:horizontal-tb;transform:none}.topic-reel .topic-title,.topic-reel.is-enhanced .topic-title,.topic-reel.is-enhanced .topic-panel:not([data-active="true"]) .topic-title{grid-column:2;display:block;opacity:1;max-width:none;font-size:21px;transform:none}.topic-reel .topic-arrow,.topic-reel.is-enhanced .topic-arrow{grid-column:3;grid-row:1 / span 2;margin:0}.topic-reel .topic-detail,.topic-reel.is-enhanced .topic-detail,.topic-reel.is-enhanced .topic-panel:not([data-active="true"]) .topic-detail{position:static;display:block;opacity:1;transform:none;pointer-events:auto;padding:0 20px 20px 68px}.topic-reel .topic-detail p,.topic-reel.is-enhanced .topic-detail p{margin-bottom:12px}.topic-reel.is-enhanced .topic-panel[data-active="true"]{flex:0 0 auto}}
@media(prefers-reduced-motion:reduce){.topic-panel,.topic-panel::after,.topic-trigger,.topic-detail,.topic-arrow{transition:none!important}}

/* tables */
.table-wrap{overflow:auto;border:1px solid var(--line);background:var(--ink-2)}
.table-wrap table{width:100%;border-collapse:collapse;min-width:720px}
.table-wrap th,.table-wrap td{padding:17px 20px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.table-wrap th{font:600 10.5px/1.3 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);background:var(--deep)}
.table-wrap td{font-size:15px;color:var(--text);transition:background .3s}
.table-wrap td:first-child{font:400 19px/1.3 var(--serif);color:var(--pearl)}
.table-wrap tr:last-child td{border-bottom:0}
.table-wrap tbody tr:hover td{background:rgba(233,228,216,.035)}

/* FAQ */
.faq details{border-top:1px solid var(--line);max-width:860px}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 0;cursor:pointer;font:400 clamp(19px,1.7vw,23px)/1.35 var(--serif);color:var(--pearl);transition:color .3s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:14px;height:14px;background:linear-gradient(var(--seal),var(--seal)) center/100% 1.5px no-repeat,linear-gradient(var(--seal),var(--seal)) center/1.5px 100% no-repeat;transition:transform .5s var(--ease)}
.faq details[open] summary::after{transform:rotate(135deg)}
.faq summary:hover{color:#fff}
.faq details p{margin:0 0 26px;max-width:64ch;color:var(--text);animation:faqIn .6s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-6px)}}

/* sources */
.sources ol{list-style:none;padding:0;margin:0;counter-reset:src;max-width:900px}
.sources li{counter-increment:src;display:grid;grid-template-columns:48px 1fr auto;align-items:baseline;gap:6px 18px;padding:18px 0;border-top:1px solid var(--line)}
.sources li::before{content:counter(src,decimal-leading-zero);font:600 11px var(--mono);color:var(--seal);letter-spacing:.1em}
.sources li a{font:400 19px/1.35 var(--serif)}
.sources span{font:600 10px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line-2);padding:6px 8px;white-space:nowrap}

/* tools */
.calculator{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);max-width:880px}
.calculator label{display:grid;gap:10px;padding:22px 24px;background:var(--ink);font:600 10.5px/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.calculator input,.filter-input{width:100%;padding:12px 0;border:0;border-bottom:1px solid var(--line-2);background:transparent;color:var(--pearl);font:400 26px/1.2 var(--serif);letter-spacing:-.01em;transition:border-color .3s}
.calculator input:focus,.filter-input:focus{outline:none;border-color:var(--jade)}
.calc-result{grid-column:1/-1;display:flex;justify-content:space-between;align-items:end;gap:20px;padding:30px 24px;background:var(--ink-2)}
.calc-result span{font:600 11px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.calc-result strong{font:400 clamp(36px,4vw,54px)/1 var(--serif);color:var(--pearl);font-variant-numeric:tabular-nums}
.filter-input{font-size:20px;padding:14px 0;margin-bottom:22px}
.dataset-tools{display:flex;gap:10px;align-items:center;margin:0 0 22px;flex-wrap:wrap}
.dataset-tools a{padding:10px 14px;border:1px solid var(--line-2);text-decoration:none;font:600 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--pearl);transition:background .3s,border-color .3s}
.dataset-tools a:hover{background:var(--ink-2);border-color:var(--pearl)}

/* ---------- footer ---------- */
footer{position:relative;overflow:hidden;padding:80px var(--gutter) 40px;display:grid;grid-template-columns:1.2fr 1fr;gap:40px 60px;background:var(--deep);color:var(--text);border-top:1px solid var(--line)}
footer .brand{margin-bottom:18px}
footer p{max-width:44ch;color:var(--muted)}
.footlinks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px;align-content:start}
.footlinks a{text-decoration:none;color:var(--text);font:400 19px/1.3 var(--serif);transition:color .3s,transform .4s var(--ease);display:inline-block;width:max-content}
.footlinks a:hover{color:var(--pearl);transform:translateX(4px)}
.fine{grid-column:1/-1;font:600 10px/1.6 var(--mono)!important;letter-spacing:.14em;text-transform:uppercase;color:#5d6678!important;border-top:1px solid var(--line);padding-top:24px;margin:0;max-width:none!important}
.foot-mark{grid-column:1/-1;font:400 clamp(56px,13vw,210px)/.86 var(--serif);letter-spacing:-.045em;white-space:nowrap;color:transparent;-webkit-text-stroke:1px rgba(233,228,216,.13);margin:10px 0 -4px;user-select:none}
.foot-mark em{font-style:italic}

/* ---------- reveal system (site.js tags elements) ---------- */
@media (prefers-reduced-motion:no-preference){
  .js [data-rv]{opacity:0;transform:translateY(22px);filter:blur(6px);transition:opacity .9s ease,transform 1.05s var(--ease),filter .9s ease;transition-delay:calc(var(--d,0) * 1ms)}
  .js [data-rv].in{opacity:1;transform:none;filter:none}
  .js .split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.12em;margin-bottom:-.12em}
  .js .split .wi{display:inline-block;transform:translateY(108%);transition:transform 1s var(--ease);transition-delay:calc(var(--d,0) * 1ms + var(--i) * 32ms)}
  .js .split[data-rv]{opacity:1;filter:none;transform:none}
  .js .split.in .wi,.js .delta-hero.is-in .split .wi{transform:none}
  .js .delta-hero .split .wi{transition-delay:calc(380ms + var(--i) * 45ms)}
  .js .section-kicker[data-rv]:not(.in){--k:0}
  .js .table-wrap tbody tr{opacity:0;transform:translateX(-10px);transition:opacity .7s ease,transform .8s var(--ease);transition-delay:calc(var(--r,0) * 70ms + 250ms)}
  .js .table-wrap.in tbody tr{opacity:1;transform:none}
  @view-transition{navigation:auto}
  ::view-transition-old(root){animation:vtOut .32s ease both}
  ::view-transition-new(root){animation:vtIn .55s var(--ease) both}
}
@keyframes vtOut{to{opacity:0;transform:translateY(-10px)}}
@keyframes vtIn{from{opacity:0;transform:translateY(14px)}}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .mast nav{display:none}.menu{display:block}
  .mast.open nav{position:fixed;top:var(--mast);left:0;right:0;bottom:0;display:flex;flex-direction:column;gap:0;padding:28px var(--gutter);background:var(--ink);border-top:1px solid var(--line)}
  .mast.open nav a{font:400 34px/1.2 var(--serif);color:var(--pearl);padding:14px 0;border-bottom:1px solid var(--line);opacity:0;transform:translateY(14px);animation:menuIn .6s var(--ease) forwards}
  .mast.open nav a::after{display:none}
  .mast.open nav a:nth-child(2){animation-delay:.05s}.mast.open nav a:nth-child(3){animation-delay:.1s}.mast.open nav a:nth-child(4){animation-delay:.15s}.mast.open nav a:nth-child(5){animation-delay:.2s}.mast.open nav a:nth-child(6){animation-delay:.25s}
  .cards{grid-template-columns:1fr 1fr}
  footer{grid-template-columns:1fr}
}
@keyframes menuIn{to{opacity:1;transform:none}}
@media(max-width:620px){
  :root{--mast:64px}
  body{font-size:15px}
  .brand-name{font-size:19px}
  .cards,.gloss-grid,.calculator{grid-template-columns:1fr}
  .card{min-height:0;padding:28px 22px}
  .sources li{grid-template-columns:36px 1fr}.sources span{grid-column:2;justify-self:start}
  .table-wrap{margin-right:calc(var(--gutter) * -1)}
  .delta-caption{display:none}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---------- editorial content blocks ---------- */
.byline{display:flex;flex-wrap:wrap;gap:8px 22px;margin:26px 0 0;font:600 10.5px/1.4 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.byline b{color:var(--pearl);font-weight:600}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:8px 0 0}
.facts>div{background:var(--ink);padding:28px 24px}
.facts strong{display:block;font:400 clamp(34px,3.4vw,50px)/1 var(--serif);letter-spacing:-.02em;color:var(--pearl);margin-bottom:12px}
.facts span{display:block;font-size:14px;line-height:1.5;color:var(--muted)}
.steps{list-style:none;margin:8px 0 0;padding:0;counter-reset:step;max-width:900px;position:relative}
.steps::before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:1px;background:linear-gradient(var(--seal),var(--line-2) 30%,var(--line));transform-origin:top;transform:scaleY(var(--k,1));transition:transform 1.6s var(--ease) .2s}
.js .steps[data-rv]:not(.in){--k:0}
.steps li{counter-increment:step;position:relative;padding:0 0 34px 72px}
.steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:0;width:39px;height:39px;display:grid;place-items:center;border:1px solid var(--line-2);border-radius:50%;background:var(--ink);font:600 11px var(--mono);color:var(--seal)}
.steps h3{font:400 23px/1.25 var(--serif);color:var(--pearl);margin:6px 0 8px}
.steps p{margin:0;font-size:16px;max-width:64ch}
.checklist{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;max-width:980px}
.checklist li{position:relative;padding:16px 0 16px 34px;border-top:1px solid var(--line);font-size:16px;color:var(--text)}
.checklist li::before{content:"";position:absolute;left:2px;top:23px;width:12px;height:7px;border-left:1.5px solid var(--jade);border-bottom:1.5px solid var(--jade);transform:rotate(-45deg)}
.checklist li b{color:var(--pearl);font-weight:600}
.callout{position:relative;max-width:820px;margin:30px 0 0;padding:26px 30px 26px 32px;background:var(--ink-2);border-left:2px solid var(--seal)}
.callout b:first-child{display:block;font:600 10.5px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--seal);margin-bottom:12px}
.callout p{margin:0;font:400 19px/1.55 var(--serif);color:var(--pearl);max-width:none}
.prose ul{padding-left:20px;max-width:68ch}.prose li{margin:8px 0}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.related a{display:flex;flex-direction:column;gap:14px;min-height:150px;padding:26px 24px;background:var(--ink);text-decoration:none;transition:background .4s}
.related a span{font:600 10px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--seal)}
.related a strong{font:400 21px/1.25 var(--serif);color:var(--pearl);font-weight:400}
.related a em{margin-top:auto;font-style:normal;font-size:13px;color:var(--muted);transition:color .3s}
.related a:hover{background:var(--ink-2)}.related a:hover em{color:var(--pearl)}
.sitemap-list{columns:2;column-gap:48px;padding:0;list-style:none;max-width:900px}
.sitemap-list li{break-inside:avoid;padding:12px 0;border-top:1px solid var(--line)}
.sitemap-list a{font:400 19px/1.3 var(--serif);color:var(--pearl);text-decoration:none}
.sitemap-list small{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;list-style:none;font:600 10px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:var(--line-2)}
.breadcrumbs a{text-decoration:none;color:var(--muted);transition:color .3s}.breadcrumbs a:hover{color:var(--pearl)}
.js .facts[data-rv]>div,.js .related[data-rv]>a,.js .checklist[data-rv]>li{opacity:0;transform:translateY(14px);transition:opacity .8s ease,transform .9s var(--ease)}
.js .facts.in>div,.js .related.in>a,.js .checklist.in>li{opacity:1;transform:none}
.js .facts>div:nth-child(2),.js .related>a:nth-child(2),.js .checklist>li:nth-child(2){transition-delay:.1s}
.js .facts>div:nth-child(3),.js .related>a:nth-child(3),.js .checklist>li:nth-child(3){transition-delay:.2s}
.js .facts>div:nth-child(4),.js .checklist>li:nth-child(4){transition-delay:.3s}
.js .checklist>li:nth-child(n+5){transition-delay:.4s}
@media(max-width:900px){.facts{grid-template-columns:1fr 1fr}.related{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.facts,.related,.checklist{grid-template-columns:1fr}.sitemap-list{columns:1}.steps li{padding-left:58px}}

/* article table of contents (wide screens) */
.toc{display:none}
@media(min-width:1320px){
  .toc{display:block;position:fixed;z-index:20;right:clamp(24px,3vw,56px);top:50%;width:230px;transform:translateY(-50%) translateX(16px);opacity:0;pointer-events:none;transition:opacity .5s ease,transform .6s var(--ease)}
  .toc.on{opacity:1;transform:translateY(-50%);pointer-events:auto}
  .toc b{display:block;font:600 10px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
  .toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
  .toc a{display:block;padding:7px 0 7px 16px;margin-left:-1px;border-left:1px solid transparent;font-size:13px;line-height:1.4;color:var(--muted);text-decoration:none;transition:color .3s,border-color .3s}
  .toc a:hover{color:var(--pearl)}
  .toc a.active{color:var(--pearl);border-color:var(--seal)}
}