/* Layout idea: a research report you can scan. Each case opens with a methods strip (sample, markets, year) the way a fieldwork spec would. */
:root{
  --paper:#F3F4F1;
  --card:#FBFBF9;
  --ink:#17201D;
  --muted:#58625D;
  --rule:#D3D8D1;
  --accent:#2347C8;
  --accent-soft:#E3E8F8;
  --display:"Newsreader", Georgia, "Times New Roman", serif;
  --body:"Public Sans", "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#111513; --card:#171C1A; --ink:#E7EBE7; --muted:#9BA5A0; --rule:#2B3430;
    --accent:#8DA6FF; --accent-soft:#1E2640; color-scheme: dark;
  }
}
:root[data-theme="dark"]{
  --paper:#111513; --card:#171C1A; --ink:#E7EBE7; --muted:#9BA5A0; --rule:#2B3430;
  --accent:#8DA6FF; --accent-soft:#1E2640; color-scheme: dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto} *{transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);font-weight:500;text-wrap:balance;margin:0;letter-spacing:-0.01em}
p{margin:0}
.mono{font-family:var(--mono);font-size:13px;letter-spacing:0.02em}

/* nav */
header.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(6px);border-bottom:1px solid var(--rule)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
.brand{font-family:var(--display);font-size:19px;text-decoration:none;color:var(--ink)}
nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
nav a{color:var(--muted);text-decoration:none;font-size:14px}
nav a:hover{color:var(--ink)}
@media (max-width:720px){nav ul{gap:14px} nav li.hide-s{display:none}}

/* hero */
.hero{padding:72px 0 56px;border-bottom:1px solid var(--rule)}
.hero .kicker{color:var(--muted);margin-bottom:20px}
.hero h1{font-size:clamp(36px,5.4vw,62px);line-height:1.06;max-width:19ch}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero .lede{margin-top:24px;max-width:60ch;font-size:19px;color:var(--muted)}
.hero .facts{margin-top:40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;border-top:1px solid var(--rule)}
.hero .facts div{padding:16px 16px 0 0}
.hero .facts dt{font-family:var(--mono);font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.hero .facts dd{margin:4px 0 0;font-size:15px}
.cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--ink);border-radius:2px;color:var(--ink);text-decoration:none;font-size:15px;background:transparent}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn:hover{border-color:var(--accent)}
.btn.pending{border-style:dashed;color:var(--muted);border-color:var(--muted);cursor:default}

/* section heads */
section.block{padding:72px 0;border-bottom:1px solid var(--rule)}
.sechead{display:grid;grid-template-columns:200px 1fr;gap:24px;margin-bottom:40px}
.sechead .mono{color:var(--muted);padding-top:10px}
.sechead h2{font-size:clamp(30px,4vw,42px);line-height:1.1}
.sechead p{margin-top:12px;color:var(--muted);max-width:62ch}
@media (max-width:720px){.sechead{grid-template-columns:1fr;gap:8px}}

/* case index */
.index{list-style:none;padding:0;margin:0 0 48px;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:0;border-top:1px solid var(--rule)}
.index li{border-bottom:1px solid var(--rule)}
.index a{display:grid;grid-template-columns:36px 1fr;gap:8px;padding:12px 12px 12px 0;text-decoration:none;color:var(--ink);font-size:15px}
.index a span{font-family:var(--mono);font-size:12px;color:var(--muted);padding-top:3px}
.index a:hover{color:var(--accent)}

/* case */
article.case{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:48px 0;border-top:1px solid var(--rule);scroll-margin-top:64px}
article.case:first-of-type{border-top:none}
.case .num{font-family:var(--display);font-size:56px;line-height:1;color:var(--accent);font-weight:400}
.case .sector{margin-top:10px;color:var(--muted)}
.case h3{font-size:clamp(26px,3vw,34px);line-height:1.15}
.case .client{margin-top:6px;color:var(--muted);font-size:15px}
.spec{margin:20px 0 24px;display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--rule);background:var(--card)}
.spec div{padding:10px 14px;border-right:1px solid var(--rule);min-width:120px;flex:1 1 auto}
.spec div:last-child{border-right:none}
.spec dt{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.spec dd{margin:2px 0 0;font-size:14px;font-variant-numeric:tabular-nums}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media (max-width:860px){.cols{grid-template-columns:1fr}}
.case h4{font-family:var(--mono);font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:0 0 8px}
.case .part p{max-width:62ch}
.case ul{margin:0;padding-left:18px}
.case li{margin:4px 0}
.role{margin-top:24px;padding:16px 18px;border-left:3px solid var(--accent);background:var(--accent-soft)}
.role h4{color:var(--ink)}
.role ul{padding-left:18px}
.outcome{margin-top:24px}
.tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px}
.tags span{font-family:var(--mono);font-size:12px;padding:3px 8px;border:1px solid var(--rule);border-radius:2px;color:var(--muted)}
@media (max-width:720px){article.case{grid-template-columns:1fr;gap:8px}.case .num{font-size:40px}}

/* phase strip */
.phases{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:0 0 24px;counter-reset:ph}
.phases div{padding:12px 14px 12px 0;border-top:2px solid var(--ink);font-size:14px}
.phases div b{display:block;font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.phases div.mine{border-top-color:var(--accent)}
.phases div.mine b{color:var(--accent)}
@media (max-width:720px){.phases{grid-template-columns:1fr 1fr}}
.legend{font-size:13px;color:var(--muted);margin:-16px 0 24px}
.legend i{display:inline-block;width:14px;height:2px;background:var(--accent);vertical-align:middle;margin-right:6px}

/* pair (need-state) */
.pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.pair .pcol{display:grid;grid-row:span 2;grid-template-rows:subgrid;gap:0}
.pair .pcol .viz{margin:0;border-bottom:none;display:flex;flex-direction:column;justify-content:space-between}
.pair .pcard{border:1px solid var(--rule);background:var(--card);padding:18px}
.pair h5{font-family:var(--display);font-size:21px;font-weight:500;margin:0 0 2px}
.pair .mono{color:var(--muted);display:block;margin-bottom:10px}
@media (max-width:860px){.pair{grid-template-columns:1fr}}

/* segment grid (AIA) */
.seg{display:grid;grid-template-columns:auto 1fr 1fr;gap:0;margin:8px 0 24px;font-size:14px;max-width:560px}
.seg div{padding:12px;border:1px solid var(--rule);margin:-1px 0 0 -1px;background:var(--card)}
.seg .ax{background:transparent;border:none;font-family:var(--mono);font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;display:flex;align-items:center}
.seg b{display:block;font-family:var(--display);font-weight:500;font-size:18px}
.seg .prime{background:var(--accent-soft)}

/* converged flow */
.flow{display:grid;grid-template-columns:1fr 28px 1.2fr 28px 1fr;align-items:stretch;gap:0;margin:8px 0 24px}
.flow .col{display:flex;flex-direction:column;gap:8px}
.flow .col > b{font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.flow .box{border:1px solid var(--rule);background:var(--card);padding:10px 12px;font-size:14px}
.flow .box.led{border-color:var(--accent);box-shadow:inset 3px 0 0 var(--accent)}
.flow .box small{display:block;color:var(--muted);font-size:12px}
.flow .arrow{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:18px}
@media (max-width:760px){.flow{grid-template-columns:1fr}.flow .arrow{transform:rotate(90deg);height:28px}}
.segcard{border:1px solid var(--rule);background:var(--card);margin-top:8px}
.segcard .row{display:grid;grid-template-columns:180px 1fr;border-top:1px solid var(--rule)}
.segcard .row:first-child{border-top:none}
.segcard .row > *{padding:10px 14px;font-size:14px}
.segcard .row > b{font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border-right:1px solid var(--rule)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{border:1px solid var(--rule);padding:2px 8px;font-size:13px}
@media (max-width:560px){.segcard .row{grid-template-columns:1fr}.segcard .row > b{border-right:none;padding-bottom:0}}

/* illustrations */
.viz{margin:4px 0 24px;border:1px solid var(--rule);background:var(--card);padding:16px 16px 12px}
.viz svg{display:block;width:100%;height:auto}
.viz text{font-family:var(--mono);font-size:12px;fill:var(--muted)}
.viz text.k{fill:var(--ink)}
.viz text.a{fill:var(--accent);font-weight:500}
.viz text.inv{fill:var(--paper)}
.viz figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
.viz figcaption b{font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.06em;text-transform:uppercase;margin-right:6px}

/* reports */
.reports{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:980px){.reports{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.reports{grid-template-columns:1fr}}
.report{border:1px solid var(--rule);background:var(--card);padding:22px;display:flex;flex-direction:column;gap:10px}
.report .cover{margin:-22px -22px 8px;height:210px;display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--rule) 55%,var(--card));border-bottom:1px solid var(--rule);overflow:hidden;padding:14px}
.report .cover img{max-width:100%;max-height:100%;object-fit:contain;box-shadow:0 2px 10px rgba(0,0,0,.18)}
.report .mono{color:var(--muted)}
.report h3{font-size:24px;line-height:1.15}
.report p{font-size:15px;color:var(--muted)}
.report .foot{margin-top:auto;padding-top:8px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.report .acts{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.report .acts .link{font-size:14px}
.report .who{font-size:13px;color:var(--muted)}

/* horizon */
.horizon{margin-top:56px;border:1px solid var(--ink);background:var(--card)}
.horizon .head{padding:24px 24px 16px;display:grid;grid-template-columns:1fr auto;gap:16px;align-items:end;border-bottom:1px solid var(--rule)}
.horizon .head h3{font-size:clamp(26px,3vw,34px)}
.horizon .head p{color:var(--muted);font-size:15px;margin-top:6px;max-width:60ch}
.threads{display:flex;flex-wrap:wrap;gap:8px;padding:16px 24px;border-bottom:1px solid var(--rule)}
.threads button{font:inherit;font-size:14px;padding:6px 12px;border:1px solid var(--rule);background:var(--paper);color:var(--ink);border-radius:999px;cursor:pointer}
.threads button[aria-pressed="true"]{background:var(--accent);color:var(--paper);border-color:var(--accent)}
.threads .count{font-family:var(--mono);font-size:11px;opacity:.75;margin-left:4px}
.timeline{display:grid;grid-template-columns:repeat(7,minmax(138px,1fr));gap:0;overflow-x:auto}
.year{padding:18px 14px 22px;border-right:1px solid var(--rule);min-width:138px}
.year:last-child{border-right:none}
.year img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--rule);margin-bottom:12px}
.year .yr{font-family:var(--display);font-size:34px;line-height:1}
.year .ed{font-size:13px;color:var(--muted);margin:4px 0 12px;min-height:2.6em}
.year ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.year li{font-size:13.5px;line-height:1.35;padding:6px 8px;border-left:2px solid var(--rule);transition:opacity .2s,border-color .2s,background .2s}
.timeline.filtering li{opacity:.28}
.timeline.filtering li.on{opacity:1;border-left-color:var(--accent);background:var(--accent-soft)}
.horizon .note{padding:14px 24px;border-top:1px solid var(--rule);font-size:14px;color:var(--muted)}
.horizon .foot{padding:0 24px 20px;display:flex;gap:10px;flex-wrap:wrap}
@media (max-width:720px){.horizon .head{grid-template-columns:1fr}}

/* more work */
.more{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0;border-top:1px solid var(--rule)}
.more > div{padding:20px 20px 20px 0;border-bottom:1px solid var(--rule)}
.more h3{font-size:21px;line-height:1.2}
.more .mono{color:var(--muted);display:block;margin:4px 0 8px}
.more p{font-size:15px;color:var(--muted);max-width:52ch}

/* about */
.about{display:grid;grid-template-columns:1.3fr 1fr;gap:48px}
.about p+p{margin-top:14px}
.about dl{margin:0;display:grid;gap:14px}
.about dt{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.about dd{margin:2px 0 0;font-size:15px}
@media (max-width:820px){.about{grid-template-columns:1fr}}
footer{padding:48px 0 64px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;color:var(--muted);font-size:14px}

/* home cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (max-width:780px){.cards{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;border:1px solid var(--rule);background:var(--card);text-decoration:none;color:var(--ink);transition:border-color .15s, transform .15s}
.card:hover{border-color:var(--accent);transform:translateY(-2px)}
.card .vis{height:200px;padding:18px;border-bottom:1px solid var(--rule);display:flex;align-items:center;justify-content:center;background:var(--paper)}
.card .vis svg{max-width:100%;max-height:100%;width:auto;height:100%}
.card .vis text{font-family:var(--mono);font-size:12px;fill:var(--muted)}
.card .vis text.k{fill:var(--ink)} .card .vis text.a{fill:var(--accent);font-weight:500} .card .vis text.inv{fill:var(--paper)}
.card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .meta{display:flex;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.card .meta b{color:var(--accent);font-weight:500}
.card h3{font-size:23px;line-height:1.2}
.card p{font-size:15px;color:var(--muted)}
.card .go{margin-top:auto;padding-top:6px;font-size:14px;color:var(--accent)}
/* case pages */
.crumb{padding:28px 0 0}
.crumb a{font-size:14px;text-decoration:none}
.casepage article.case{border-top:none;padding-top:24px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:32px 0 8px;border-top:1px solid var(--rule)}
.pager a{display:block;padding:16px 18px;border:1px solid var(--rule);background:var(--card);text-decoration:none;color:var(--ink)}
.pager a:hover{border-color:var(--accent)}
.pager span{display:block;font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:4px}
.pager .next{text-align:right}
@media (max-width:620px){.pager{grid-template-columns:1fr}.pager .next{text-align:left}}

/* hero with portrait */
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:56px;align-items:end}
.hero .facts{margin-top:48px}
.portrait{margin:0;position:relative}
.portrait img{display:block;width:100%;height:auto;aspect-ratio:2/3;object-fit:cover;background:var(--rule)}
.portrait::after{content:"";position:absolute;left:-14px;bottom:-14px;width:46%;height:46%;border-left:3px solid var(--accent);border-bottom:3px solid var(--accent);pointer-events:none}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr;gap:32px}.portrait{max-width:320px;order:-1}}