/* Research / Evidence Library · shared styles (matches homepage + Trinity design system) */
:root{
  --abyss:#04100f; --ice:#eaf7f4; --mist:#8fb6b1; --aqua:#42efd8; --line:rgba(120,200,190,.16);
  --paper:#FAFBFB; --cream:#F7F5F0; --teal:#108474; --teal-d:#2E5C6C;
  --red:#e65960; --orange:#FFA400; --slate:#374957; --slate-2:#64798a;
  --hair:rgba(46,92,108,.16); --card:#ffffff;
}
*{box-sizing:border-box; margin:0}
body{background:var(--paper); color:var(--slate); font-family:'Bricolage Grotesque',system-ui,sans-serif; line-height:1.6;
  -webkit-font-smoothing:antialiased; overflow-x:hidden}
a{color:var(--teal-d)}
.wrap{max-width:1080px; margin:0 auto; padding:0 26px}
.narrow{max-width:760px}
.grain{position:fixed; inset:0; z-index:60; pointer-events:none; opacity:.045; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.trustbar{position:sticky; top:0; z-index:70; background:rgba(247,245,240,.92); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--hair); font-family:'JetBrains Mono',monospace; font-size:11.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--teal-d); text-align:center; padding:9px 14px}
.trustbar b{color:var(--teal); font-weight:500}

/* dark header band */
.ph{position:relative; background:radial-gradient(120% 120% at 50% -30%,#0c3a36 0%,var(--abyss) 72%); color:var(--ice); overflow:hidden}
.ph::after{content:""; position:absolute; inset:0; pointer-events:none; box-shadow:inset 0 0 240px 40px rgba(0,0,0,.45)}
.nav{position:relative; z-index:2; padding:24px 0}
.nav .wrap{display:flex; align-items:center; justify-content:space-between; gap:14px 24px; flex-wrap:wrap}
.brand{font-family:'Fraunces'; font-weight:600; font-size:19px; color:var(--ice); text-decoration:none; letter-spacing:-.01em}
.brand i{font-style:italic; color:var(--aqua)}
.nav nav{display:flex; gap:26px; flex-wrap:wrap; font-size:12.5px; letter-spacing:.05em; text-transform:uppercase}
.nav nav a{color:var(--mist); text-decoration:none; transition:color .2s}
.nav nav a:hover, .nav nav a[aria-current]{color:var(--ice)}
.nav nav a[aria-current]{border-bottom:1px solid var(--aqua); padding-bottom:3px}
.hero{position:relative; z-index:2; padding:56px 0 76px}
.eyebrow{font-family:'JetBrains Mono'; font-size:12px; letter-spacing:.3em; text-transform:uppercase; color:var(--aqua);
  display:flex; align-items:center; gap:14px; margin-bottom:20px}
.eyebrow::before{content:""; width:42px; height:1px; background:var(--aqua); opacity:.6}
h1{font-family:'Fraunces'; font-weight:300; font-size:clamp(40px,7vw,82px); line-height:.98; letter-spacing:-.03em; max-width:15ch}
h1 em{font-style:italic; font-weight:400; color:var(--aqua)}
.lede{margin-top:24px; max-width:56ch; font-size:18px; color:#c3ddd8; line-height:1.6}
.lede b{color:var(--ice); font-weight:600}
.metarow{margin-top:28px; display:flex; flex-wrap:wrap; gap:10px 22px; font-family:'JetBrains Mono'; font-size:11.5px; letter-spacing:.06em; color:var(--mist)}
.metarow span{display:inline-flex; align-items:center; gap:8px}
.metarow span::before{content:""; width:6px; height:6px; border-radius:50%; background:var(--aqua); opacity:.7}
.proposal{display:inline-flex; align-items:center; gap:10px; margin-bottom:22px; padding:8px 14px; border:1px solid rgba(255,164,0,.6);
  background:rgba(255,164,0,.12); color:#ffcc66; font-family:'JetBrains Mono'; font-size:12px; letter-spacing:.16em; text-transform:uppercase; border-radius:2px}
.proposal::before{content:""; width:8px; height:8px; border-radius:50%; background:var(--orange); box-shadow:0 0 0 3px rgba(255,164,0,.25)}
.surface{background:var(--abyss); line-height:0}
.surface svg{width:100%; height:56px; display:block}

/* body sections */
main section{padding:64px 0; border-top:1px solid var(--hair)}
main section:first-child{border-top:0}
main section.alt{background:var(--cream)}
.khead{font-family:'JetBrains Mono'; font-size:12px; letter-spacing:.28em; text-transform:uppercase; color:var(--teal); margin-bottom:16px}
h2{font-family:'Fraunces'; font-weight:300; font-size:clamp(28px,4.4vw,44px); line-height:1.08; letter-spacing:-.02em; color:var(--teal-d); max-width:22ch}
h2 em{font-style:italic; color:var(--teal)}
.prose{margin-top:18px}
.prose p{font-size:17px; color:var(--slate); line-height:1.7; max-width:64ch}
.prose p + p{margin-top:14px}
.prose b{color:var(--teal-d); font-weight:600}
.prose ul{margin:14px 0 0; padding:0; list-style:none; display:grid; gap:10px; max-width:64ch}
.prose li{display:grid; grid-template-columns:20px 1fr; gap:10px; font-size:16.5px; line-height:1.6}
.prose li::before{content:"—"; color:var(--orange); font-weight:800}
.cite{font-family:'JetBrains Mono'; font-size:11.5px; letter-spacing:.02em; color:var(--slate-2)}
.cite a{color:var(--teal-d); text-decoration:underline; text-decoration-color:var(--orange); text-underline-offset:3px}
.answer{margin-top:22px; padding:22px 24px; background:var(--card); border:1px solid var(--hair); border-left:3px solid var(--teal); border-radius:3px;
  font-size:17.5px; line-height:1.65; color:var(--slate); max-width:70ch; box-shadow:0 14px 40px -30px rgba(46,92,108,.35)}
.answer b{color:var(--teal-d)}
blockquote{margin:24px 0 0; padding:24px 26px; background:var(--card); border:1px solid var(--hair); border-radius:3px; max-width:70ch;
  box-shadow:0 14px 40px -30px rgba(46,92,108,.35); position:relative}
blockquote p{font-family:'Fraunces'; font-weight:400; font-size:clamp(19px,2.4vw,23px); line-height:1.45; letter-spacing:-.01em; color:var(--teal-d)}
blockquote footer{margin-top:14px}
.notprove{margin-top:26px; padding:20px 22px; border-left:2px solid var(--orange); background:rgba(255,164,0,.06); border-radius:0 3px 3px 0; max-width:70ch}
.notprove .nl{display:block; font-family:'JetBrains Mono'; font-size:10.5px; letter-spacing:.2em; text-transform:uppercase; color:#8a5a00; margin-bottom:8px}
.notprove ul{margin:0; padding:0; list-style:none; display:grid; gap:8px}
.notprove li{display:grid; grid-template-columns:18px 1fr; gap:8px; font-size:15.5px; line-height:1.6}
.notprove li::before{content:"×"; color:#b07400; font-weight:700}
.notprove p{font-size:15.5px; line-height:1.6}

/* definition pair */
.pair{margin-top:30px; display:grid; grid-template-columns:1fr 1fr; gap:16px}
.def{background:var(--card); border:1px solid var(--hair); border-radius:4px; padding:26px 24px; box-shadow:0 14px 40px -30px rgba(46,92,108,.35)}
.def .tag{font-family:'JetBrains Mono'; font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--teal)}
.def h3{font-family:'Fraunces'; font-weight:600; font-size:22px; color:var(--teal-d); margin:10px 0 4px; letter-spacing:-.01em}
.def .en{display:inline-block; font-family:'JetBrains Mono'; font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; padding:3px 8px; border-radius:2px; margin:6px 0 12px}
.def .en.y{background:rgba(16,132,116,.1); color:var(--teal)}
.def .en.n{background:rgba(100,121,138,.12); color:var(--slate-2)}
.def p{font-size:15.5px; line-height:1.65}

/* example table */
.tbl{margin-top:28px; width:100%; max-width:760px; border-collapse:collapse; background:var(--card); border:1px solid var(--hair); border-radius:4px; overflow:hidden; font-size:15px}
.tbl th{font-family:'JetBrains Mono'; font-weight:500; font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--slate-2); text-align:left; padding:13px 16px; background:#fcfbf8; border-bottom:1px solid var(--hair)}
.tbl td{padding:14px 16px; border-bottom:1px solid var(--hair); vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl td.num{font-family:'JetBrains Mono'; font-size:14px; white-space:nowrap}
.tbl td.c{font-weight:600; color:var(--teal-d)}
.tblwrap{max-width:100%; overflow-x:auto}

/* timeline */
.tl{margin-top:30px; display:grid; gap:0; max-width:760px; position:relative}
.tl::before{content:""; position:absolute; left:7px; top:10px; bottom:10px; width:1px; background:var(--hair)}
.tli{position:relative; padding:0 0 30px 38px}
.tli::before{content:""; position:absolute; left:0; top:6px; width:15px; height:15px; border-radius:50%; background:var(--paper); border:2px solid var(--teal)}
.tli.prop::before{border-color:var(--orange); background:#fff6e5}
.tli .when{font-family:'JetBrains Mono'; font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--teal)}
.tli.prop .when{color:#8a5a00}
.tli h3{font-family:'Fraunces'; font-weight:600; font-size:21px; color:var(--teal-d); margin:6px 0 8px; letter-spacing:-.01em; line-height:1.25}
.tli p{font-size:16px; line-height:1.65; max-width:62ch}
.tli p + p{margin-top:10px}
.chip{display:inline-block; font-family:'JetBrains Mono'; font-size:10px; letter-spacing:.12em; text-transform:uppercase; padding:3px 8px; border-radius:2px; margin-left:8px; vertical-align:middle}
.chip.final{background:rgba(16,132,116,.1); color:var(--teal)}
.chip.prop{background:rgba(255,164,0,.14); color:#8a5a00}

/* guides */
.guides{margin-top:30px; display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
.guide{display:flex; flex-direction:column; background:var(--card); border:1px solid var(--hair); border-radius:4px; padding:26px 24px 22px;
  text-decoration:none; color:inherit; box-shadow:0 14px 40px -30px rgba(46,92,108,.35); transition:transform .3s, box-shadow .3s}
.guide:hover{transform:translateY(-3px); box-shadow:0 24px 50px -28px rgba(46,92,108,.45)}
.guide .n{font-family:'JetBrains Mono'; font-size:12px; color:var(--orange)}
.guide h3{font-family:'Fraunces'; font-weight:400; font-size:24px; line-height:1.15; letter-spacing:-.015em; color:var(--teal-d); margin:10px 0 10px}
.guide h3 em{font-style:italic; color:var(--teal)}
.guide p{font-size:15px; color:var(--slate-2); line-height:1.6; flex:1}
.guide .go{margin-top:18px; font-family:'JetBrains Mono'; font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--teal-d); border-bottom:1px solid var(--orange); align-self:flex-start; padding-bottom:4px}
.guide .p{display:inline-block; margin-left:6px; font-size:10px; letter-spacing:.12em; padding:2px 6px; border-radius:2px; background:rgba(255,164,0,.14); color:#8a5a00; vertical-align:middle}

/* source cards */
.group{margin-top:44px}
.group:first-of-type{margin-top:30px}
.ghead{display:flex; align-items:baseline; gap:14px; flex-wrap:wrap; margin-bottom:16px}
.ghead h3{font-family:'Fraunces'; font-weight:400; font-size:24px; color:var(--teal-d); letter-spacing:-.01em}
.ghead span{font-family:'JetBrains Mono'; font-size:11px; letter-spacing:.1em; color:var(--slate-2); text-transform:uppercase}
.cards{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.src{display:flex; flex-direction:column; background:var(--card); border:1px solid var(--hair); border-radius:4px; padding:24px 24px 18px;
  box-shadow:0 14px 40px -30px rgba(46,92,108,.35)}
.src .top{display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap}
.agency{font-family:'JetBrains Mono'; font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--teal)}
.agency b{display:inline-block; font-weight:500; color:#fff; background:var(--teal-d); padding:2px 7px; border-radius:2px; margin-right:8px; letter-spacing:.1em}
.status{font-family:'JetBrains Mono'; font-size:10px; letter-spacing:.12em; text-transform:uppercase; padding:3px 8px; border-radius:2px; white-space:nowrap}
.status.final{background:rgba(16,132,116,.1); color:var(--teal)}
.status.prop{background:rgba(255,164,0,.14); color:#8a5a00}
.status.est{background:rgba(100,121,138,.12); color:var(--slate-2)}
.src h4{font-family:'Fraunces'; font-weight:600; font-size:19px; line-height:1.3; color:var(--teal-d); margin:12px 0 6px; letter-spacing:-.005em}
.src .date{font-family:'JetBrains Mono'; font-size:11.5px; color:var(--slate-2)}
.src .sum{font-size:15px; line-height:1.65; margin-top:12px}
.src .np{margin-top:14px; padding:12px 14px; background:rgba(255,164,0,.06); border-left:2px solid var(--orange); font-size:14px; line-height:1.55; border-radius:0 3px 3px 0}
.src .np b{display:block; font-family:'JetBrains Mono'; font-weight:500; font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:#8a5a00; margin-bottom:4px}
.src .foot{margin-top:auto; padding-top:16px; display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap}
.src .spacer{flex:1 0 100%; height:0}
.ext{display:inline-flex; align-items:center; gap:8px; font-family:'JetBrains Mono'; font-size:12px; letter-spacing:.04em; color:var(--teal-d); text-decoration:none;
  border-bottom:1px solid var(--orange); padding-bottom:3px}
.ext:hover{color:var(--teal)}
.ext svg{width:11px; height:11px}
.checked{font-family:'JetBrains Mono'; font-size:10.5px; letter-spacing:.06em; color:var(--slate-2)}

.howto{margin-top:24px; display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--hair); border:1px solid var(--hair); border-radius:4px; overflow:hidden}
.howto div{background:var(--card); padding:18px 18px 16px; font-size:14.5px; line-height:1.55}
.howto b{display:block; font-family:'JetBrains Mono'; font-weight:500; font-size:10.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--teal); margin-bottom:6px}

/* sources list on article pages */
.srclist{margin-top:20px; display:grid; gap:12px; max-width:760px; padding:0; list-style:none; counter-reset:s}
.srclist li{counter-increment:s; display:grid; grid-template-columns:28px 1fr; gap:10px; font-size:15px; line-height:1.55}
.srclist li::before{content:counter(s); font-family:'JetBrains Mono'; font-size:12px; color:var(--orange); padding-top:2px}
.srclist a{color:var(--teal-d); text-decoration:underline; text-decoration-color:var(--orange); text-underline-offset:3px}
.srclist .cite{display:block; margin-top:2px}

.next{display:flex; flex-wrap:wrap; gap:14px 28px; margin-top:26px}
.cta{font-family:'JetBrains Mono'; font-size:13px; letter-spacing:.06em; text-transform:uppercase; color:var(--teal-d); text-decoration:none;
  display:inline-flex; align-items:center; gap:12px; border-bottom:1px solid var(--orange); padding-bottom:6px; transition:gap .25s}
.cta:hover{gap:18px; color:var(--teal)} .cta span{color:var(--orange)}
.disclaim{margin-top:10px; font-family:'JetBrains Mono'; font-size:11.5px; line-height:1.75; color:var(--slate-2); max-width:80ch}

footer.site{padding:56px 0 64px; border-top:1px solid var(--hair); background:var(--cream)}
footer.site .wrap{display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:20px}
footer.site .big{font-family:'Fraunces'; font-weight:300; font-size:clamp(30px,5vw,56px); line-height:.95; letter-spacing:-.02em; color:var(--teal-d)}
footer.site .big em{font-style:italic; color:var(--teal)}
footer.site .meta{font-family:'JetBrains Mono'; font-size:11.5px; color:var(--slate-2); line-height:1.8; text-align:right}
footer.site .meta a{color:var(--teal-d); text-decoration:none}

@media(max-width:900px){ .cards, .guides{grid-template-columns:1fr} }
@media(max-width:720px){
  .wrap{padding:0 16px}
  .trustbar{font-size:10.5px; letter-spacing:.06em; line-height:1.5}
  .nav{padding:18px 0}
  .nav nav{gap:8px 18px; font-size:11.5px; width:100%}
  .hero{padding:34px 0 56px}
  .lede{font-size:16.5px}
  main section{padding:48px 0}
  .pair, .howto{grid-template-columns:1fr}
  .src{padding:20px 18px 16px}
  blockquote{padding:20px 18px}
  .answer{padding:18px 18px; font-size:16.5px}
  .tbl th, .tbl td{padding:11px 10px}
  footer.site .meta{text-align:left}
}
/* citation lines keep their small mono size inside prose + timeline */
.prose p.cite, .tli p.cite{font-size:11.5px; line-height:1.75; margin-top:12px}