/* Quantcore Labs — direction A "Ledger", round 4.
   Paper white, ink text, one teal family. Self-hosted fonts. Motion is opt-in via html.js and
   disabled under prefers-reduced-motion. Everything reads and navigates without JavaScript. */

/* ---------- fonts (SIL OFL 1.1, licences beside the files) ---------- */
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:400;font-display:swap;src:url("/static/fonts/source-serif-4/SourceSerif4-Regular.woff2") format("woff2")}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:600;font-display:swap;src:url("/static/fonts/source-serif-4/SourceSerif4-Semibold.woff2") format("woff2")}
@font-face{font-family:"Source Serif 4";font-style:italic;font-weight:400;font-display:swap;src:url("/static/fonts/source-serif-4/SourceSerif4-It.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url("/static/fonts/inter/Inter-Regular.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:500;font-display:swap;src:url("/static/fonts/inter/Inter-Medium.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url("/static/fonts/inter/Inter-SemiBold.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("/static/fonts/ibm-plex-mono/IBMPlexMono-Regular.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("/static/fonts/ibm-plex-mono/IBMPlexMono-Medium.woff2") format("woff2")}

/* ---------- tokens ---------- */
:root{
  --paper:#F7F6F1; --paper-2:#FFFFFF; --paper-deep:#EFEDE6;
  --ink:#14171C; --ink-2:#3A4150; --muted:#6B7280; --rule:#E2E0D8; --rule-2:#CFCCC2;
  --teal:#0F6E6E; --teal-2:#0B5252; --teal-deep:#0A3C3C; --teal-soft:#E4F0EE; --teal-line:#8FC2BE;
  --amber:#9A6514; --amber-soft:#FBF2E0; --amber-line:#E8CF9C;
  --grey-soft:#ECEDEF; --green:#1F7A4D; --green-soft:#E6F2EB;
  --serif:"Source Serif 4","Iowan Old Style","Charter",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --wide:1120px; --measure:680px;
  --ease:cubic-bezier(.2,.7,.2,1); --t:.22s;
}
*{box-sizing:border-box}
html{font-size:17px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.6;font-feature-settings:"tnum" 1,"cv11" 1}
img,svg{max-width:100%;height:auto}
a{color:var(--teal);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:.2em;text-decoration-thickness:1px;transition:text-decoration-color var(--t) var(--ease),color var(--t) var(--ease)}
a:hover{text-decoration-color:currentColor;color:var(--teal-2)}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:2px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.15;letter-spacing:-.012em;margin:0 0 .5em;text-wrap:balance}
h1{font-size:2.6rem}h2{font-size:1.75rem;margin-top:2.4em}h3{font-size:1.25rem;margin-top:1.6em}
p{margin:0 0 1em}
.wrap{max-width:var(--wide);margin:0 auto;padding:0 28px}
.muted{color:var(--muted)}.small{font-size:.875rem}.mt0{margin-top:0}.mt-lg{margin-top:1.5em}.placeholder.inline{display:inline-block}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:50}
.eyebrow{font-family:var(--mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);margin:0 0 .9em;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--teal-line)}
.lede{font-size:1.2rem;color:var(--ink-2);line-height:1.5;max-width:56ch}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,246,241,.86);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--rule)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex:none}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:1.22rem;font-weight:600;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.brand-thin{font-weight:400;color:var(--ink-2)}
.brand-mark{width:14px;height:14px;border:2px solid var(--teal);border-radius:3px;position:relative;flex:none}
.brand-mark::after{content:"";position:absolute;inset:3px 3px 3px 3px;border-left:2px solid var(--teal);border-bottom:2px solid var(--teal)}
.site-nav{display:flex;gap:4px;flex-wrap:wrap}
.site-nav a{color:var(--ink-2);font-size:.93rem;font-weight:500;padding:8px 12px;border-radius:6px;text-decoration:none;position:relative;transition:color var(--t) var(--ease),background var(--t) var(--ease)}
.site-nav a:hover{color:var(--ink);background:var(--paper-deep)}
.site-nav a[aria-current="page"]{color:var(--teal-2)}
.site-nav a[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--teal);border-radius:1px}
.nav-toggle{display:none;align-items:center;gap:10px;background:none;border:1px solid var(--rule-2);border-radius:8px;padding:8px 12px;font:500 .9rem var(--sans);color:var(--ink);cursor:pointer}
.nav-toggle-bar{width:18px;height:2px;background:currentColor;position:relative;display:block}
.nav-toggle-bar::before,.nav-toggle-bar::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;transition:transform var(--t) var(--ease),top var(--t) var(--ease)}
.nav-toggle-bar::before{top:-6px}.nav-toggle-bar::after{top:6px}
.nav-open .nav-toggle-bar{background:transparent}
.nav-open .nav-toggle-bar::before{top:0;transform:rotate(45deg)}.nav-open .nav-toggle-bar::after{top:0;transform:rotate(-45deg)}

/* ---------- banners, badges, buttons ---------- */
.banner{padding:10px 24px;text-align:center;font-size:.9rem}
.banner-draft{background:var(--amber-soft);color:#6E4A0F;border-bottom:1px solid var(--amber-line)}
.banner-revised{background:var(--amber-soft);color:#6E4A0F;border:1px solid var(--amber-line);border-radius:6px;margin:0 0 1.5em}
.badge{display:inline-block;font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.08em;padding:2px 8px;border-radius:4px;border:1px solid;vertical-align:middle;line-height:1.6}
.badge-paper{color:var(--amber);border-color:var(--amber-line);background:var(--amber-soft)}
.badge-backtest{color:var(--ink-2);border-color:var(--rule-2);background:var(--grey-soft)}
.badge-mixed{color:var(--ink-2);border-color:var(--rule-2);background:var(--grey-soft)}
.badge-draft{color:var(--muted);border-color:var(--rule-2);border-style:dashed;background:transparent}
.badge-live{color:var(--green);border-color:#B9DCC8;background:var(--green-soft)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:8px;border:1px solid var(--teal);font-weight:500;font-size:.95rem;text-decoration:none;line-height:1.2;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 1px 0 rgba(10,60,60,.25)}
.btn-primary:hover{background:var(--teal-2);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px -8px rgba(10,60,60,.55)}
.btn-ghost{color:var(--teal-2);background:transparent;border-color:var(--teal-line)}
.btn-ghost:hover{background:var(--teal-soft);border-color:var(--teal);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn .arrow{transition:transform var(--t) var(--ease)}.btn:hover .arrow{transform:translateX(3px)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.8em}
.more{font-weight:500;text-decoration:none;display:inline-flex;align-items:center;gap:6px;color:var(--teal-2)}
.more .arrow{transition:transform var(--t) var(--ease)}.more:hover .arrow{transform:translateX(3px)}
.more:hover{text-decoration:underline}

/* ---------- home ---------- */
.hero{position:relative;overflow:hidden;padding:104px 0 96px;border-bottom:1px solid var(--rule);
  background:
    linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,0) 60%),
    repeating-linear-gradient(180deg,transparent 0 31px,rgba(20,23,28,.045) 31px 32px);}
.hero .wrap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}
.hero h1{font-size:clamp(2.7rem,5.4vw,4.4rem);line-height:1.05;letter-spacing:-.02em;max-width:14ch;margin-bottom:.45em}
.hero h1 em{font-style:italic;font-weight:400;color:var(--teal-2)}
.hero .lede{font-size:1.25rem;max-width:44ch}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:2em;font-size:.86rem;color:var(--muted)}
.hero-art{position:relative;aspect-ratio:1/1;max-width:440px;margin-left:auto;width:100%}
.hero-art svg{width:100%;height:100%;display:block}
.lattice-line{stroke:var(--teal-line);stroke-width:1;fill:none;opacity:.9}
.lattice-strong{stroke:var(--teal);stroke-width:1.5;fill:none}
.lattice-node{fill:var(--paper);stroke:var(--teal);stroke-width:1.5}
.lattice-fill{fill:var(--teal-soft);stroke:var(--teal-line)}
.lattice-ink{fill:var(--teal)}
.section{padding:88px 0}
.section + .section{border-top:1px solid var(--rule)}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;margin-bottom:44px}
.section-head h2{margin:0;font-size:2rem}
.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--rule-2)}
.topics-2{grid-template-columns:repeat(2,1fr)}
.topic{position:relative;padding:34px 28px 36px 0;border-bottom:1px solid var(--rule);text-decoration:none;color:inherit;display:block}
.topic + .topic{padding-left:28px;border-left:1px solid var(--rule)}
.topic .num{font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;color:var(--teal);display:block;margin-bottom:1.6em}
.topic h3{margin:0 0 .55em;font-size:1.45rem;transition:color var(--t) var(--ease)}
.topic p{color:var(--ink-2);margin-bottom:1.4em;font-size:.98rem}
.topic::before{content:"";position:absolute;left:0;right:0;top:-1px;height:2px;background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.topic:hover::before,.topic:focus-visible::before{transform:scaleX(1)}
.topic:hover h3{color:var(--teal-2)}
.latest{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.latest-intro p{color:var(--ink-2)}
.feed{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule-2)}
.feed li{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;padding:22px 0;border-bottom:1px solid var(--rule);align-items:start}
.feed time{font-family:var(--mono);font-size:.82rem;color:var(--muted);padding-top:.35em}
.feed h3{margin:0 0 .3em;font-size:1.2rem}
.feed h3 a{color:var(--ink);text-decoration:none;background-image:linear-gradient(var(--teal),var(--teal));background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;transition:background-size .3s var(--ease),color var(--t) var(--ease)}
.feed h3 a:hover{background-size:100% 1px;color:var(--teal-2)}
.feed p{margin:0;color:var(--ink-2);font-size:.95rem}
.feed .meta{display:flex;gap:10px;align-items:center;margin-bottom:.5em}
.feed .meta .small{color:var(--muted)}
.feed .feed-more{margin-top:.7em}
.contact-band{background:var(--teal-deep);color:#E8F0EE;padding:80px 0;position:relative;overflow:hidden}
.contact-band::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;border:1px solid rgba(143,194,190,.35);pointer-events:none}
.contact-band::before{content:"";position:absolute;right:-40px;top:-40px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(143,194,190,.25);pointer-events:none}
.contact-band .wrap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center;position:relative}
.contact-band h2{color:#fff;margin:0 0 .4em;font-size:2.1rem}
.contact-band p{color:#C9DCD9;max-width:48ch;margin:0}
.contact-band .eyebrow{color:var(--teal-line)}
.contact-band .btn-primary{background:#fff;color:var(--teal-deep);border-color:#fff}
.contact-band .btn-primary:hover{background:#E4F0EE;color:var(--teal-deep)}
.contact-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45)}
.contact-band .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff}
.contact-band .actions{justify-content:flex-end;margin:0}

/* ---------- reading pages ---------- */
.page-head{border-bottom:1px solid var(--rule);background:linear-gradient(180deg,#fff 0%,var(--paper) 100%)}
.page-head .wrap{padding-top:72px;padding-bottom:48px;max-width:var(--measure)}
.page-head h1{font-size:clamp(2.2rem,4vw,3rem);margin-bottom:.4em}
.page-head .lede{margin:0}
.layout-page .page-body,.layout-report .page-body{max-width:var(--measure);margin:0 auto;padding:40px 28px 80px}
.page-body h2{font-size:1.5rem;margin-top:2.2em;padding-top:.2em}
.page-body h2:first-child{margin-top:0}
.page-body > p,.page-body li{color:var(--ink-2)}
.page-body strong{color:var(--ink)}
.report-head .wrap{max-width:var(--measure)}
.report-head h1{font-size:clamp(2rem,3.6vw,2.7rem)}
.report-period{font-family:var(--mono);font-size:1rem;color:var(--ink-2);display:block;margin-top:.3em;letter-spacing:.02em}
.report-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 24px;font-size:.88rem;margin:28px 0 0;padding:20px 0 0;border-top:1px solid var(--rule)}
.report-meta div{display:flex;flex-direction:column;gap:2px}
.report-meta dt{color:var(--muted);font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}
.report-meta dd{margin:0;color:var(--ink)}
.report-review{margin-top:3em;padding-top:1.4em;border-top:1px solid var(--rule-2)}
.report-review h2{margin-top:0;font-size:1.2rem}
.report-review .report-meta{margin-top:12px;padding-top:0;border-top:0}
.report-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--rule-2)}
.report-card{padding:26px 0;border-bottom:1px solid var(--rule);display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px}
.report-card time{font-family:var(--mono);font-size:.82rem;color:var(--muted);padding-top:.35em}
.report-card h3{margin:0 0 .35em;font-size:1.25rem}
.report-card h3 a{color:var(--ink);text-decoration:none}.report-card h3 a:hover{color:var(--teal-2);text-decoration:underline}
.report-card .meta{display:flex;gap:10px;align-items:center;margin-bottom:.5em}
.report-card p{margin:0 0 .4em;color:var(--ink-2);font-size:.95rem}
.notes-list{padding-left:1.1em}.notes-list li{margin-bottom:.7em}
table{border-collapse:collapse;width:100%;font-size:.94rem;margin:1em 0 1.5em;font-variant-numeric:tabular-nums;background:#fff;border:1px solid var(--rule);border-radius:8px;overflow:hidden}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--rule);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
th{font-weight:600;color:var(--ink-2);background:var(--paper-deep);font-size:.8rem;letter-spacing:.04em;text-transform:uppercase;font-family:var(--mono)}
td.num,th.num{text-align:right;font-family:var(--mono);font-size:.9rem;white-space:nowrap}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -4px;padding:0 4px}
.pending{display:inline-block;border:1px dashed var(--rule-2);color:var(--muted);padding:2px 8px;border-radius:4px;font-size:.82rem;font-family:var(--mono)}
.placeholder{background:var(--amber-soft);border-left:3px solid var(--amber);padding:12px 16px;margin:1em 0;color:#5C4A1E;font-size:.95rem;border-radius:0 6px 6px 0}
.callout{background:var(--teal-soft);border-left:3px solid var(--teal);padding:14px 18px;margin:1.4em 0;border-radius:0 6px 6px 0}
.defs{display:grid;gap:14px;margin:1.2em 0 2em;padding:0;list-style:none}
.defs li{display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px;align-items:start;padding:14px 0;border-top:1px solid var(--rule)}
.defs li:last-child{border-bottom:1px solid var(--rule)}
.defs .badge{justify-self:start;margin-top:.25em}
.steps{counter-reset:step;list-style:none;padding:0;margin:1.2em 0 2em}
.steps li{position:relative;padding:0 0 1.2em 52px;counter-increment:step}
.steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:.1em;font-family:var(--mono);font-size:.8rem;color:var(--teal);letter-spacing:.08em}
.steps li::after{content:"";position:absolute;left:14px;top:1.7em;bottom:.2em;width:1px;background:var(--rule-2)}
.steps li:last-child::after{display:none}
.steps strong{display:block;color:var(--ink);font-family:var(--serif);font-size:1.08rem;font-weight:600;margin-bottom:.15em}
.timeline{list-style:none;padding:0;margin:0}
.timeline li{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:10px 0;border-bottom:1px solid var(--rule)}
.timeline time{font-family:var(--mono);font-size:.85rem;color:var(--ink-2)}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:18px 0;border-bottom:1px solid var(--rule);display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px}
.contact-list strong{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:.5em}
.contact-list .placeholder{margin:0}
.back{font-size:.875rem;text-decoration:none;color:var(--muted);display:inline-flex;gap:6px;align-items:center;margin-bottom:1.2em}
.back:hover{color:var(--teal-2)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--rule);background:var(--paper-deep);padding:48px 0 40px;font-size:.9rem;color:var(--ink-2)}
.footer-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px 48px}
.footer-brand .brand{font-size:1.1rem}
.footer-brand p{margin:.8em 0 0}
.footer-contact a{font-weight:500}
.footer-nav{display:flex;flex-wrap:wrap;gap:4px 22px;align-self:start;justify-content:flex-end}
.footer-nav a{color:var(--ink-2);text-decoration:none;font-weight:500}.footer-nav a:hover{color:var(--teal-2);text-decoration:underline}
.footer-legal{grid-column:1 / -1;max-width:88ch;margin:8px 0 0;color:var(--muted);border-top:1px solid var(--rule-2);padding-top:20px}
.footer-meta{grid-column:1 / -1;margin:0}

/* ---------- motion (opt-in, JS only) ---------- */
.js [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js [data-reveal].is-visible{opacity:1;transform:none}
.js [data-reveal="2"]{transition-delay:.08s}.js [data-reveal="3"]{transition-delay:.16s}
.js .hero-copy > *{opacity:0;transform:translateY(10px);animation:rise .7s var(--ease) forwards}
.js .hero-copy > :nth-child(2){animation-delay:.08s}.js .hero-copy > :nth-child(3){animation-delay:.16s}.js .hero-copy > :nth-child(4){animation-delay:.24s}.js .hero-copy > :nth-child(5){animation-delay:.32s}
@keyframes rise{to{opacity:1;transform:none}}
.js .lattice-line,.js .lattice-strong{stroke-dasharray:600;stroke-dashoffset:600;animation:draw 1.6s var(--ease) forwards}
.js .lattice-strong{animation-delay:.5s;animation-duration:1.2s}
.js .lattice-node,.js .lattice-fill,.js .lattice-ink{opacity:0;animation:fade .6s var(--ease) forwards;animation-delay:1.1s}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{to{opacity:1}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js [data-reveal]{opacity:1;transform:none;transition:none}
  .js .hero-copy > *{opacity:1;transform:none;animation:none}
  .js .lattice-line,.js .lattice-strong{stroke-dasharray:none;stroke-dashoffset:0;animation:none}
  .js .lattice-node,.js .lattice-fill,.js .lattice-ink{opacity:1;animation:none}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* ---------- mobile ---------- */
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:28px}
  .hero-art{order:1;max-width:200px;margin:0;opacity:.75}
  .topics{grid-template-columns:1fr}
  .topic,.topic + .topic{padding:26px 0;border-left:0}
  .latest{grid-template-columns:1fr;gap:28px}
  .contact-band .wrap{grid-template-columns:1fr}
  .contact-band .actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-nav{justify-content:flex-start}
}
@media (max-width:720px){
  html{font-size:16px}
  .wrap{padding:0 20px}
  .banner{padding:8px 16px;font-size:.82rem}
  .hero{padding:36px 0 40px}
  .hero .wrap{gap:20px}
  .hero h1{font-size:2.5rem;margin-bottom:.35em}
  .hero .lede{font-size:1.1rem;margin-bottom:.6em}
  .hero .actions{margin-top:1.1em;gap:10px}
  .hero-note{margin-top:1.3em}
  .hero-art{max-width:132px;margin:0;opacity:.6}
  .hero .eyebrow{margin-bottom:.7em}
  .section{padding:60px 0}
  .section-head{grid-template-columns:1fr;gap:10px;margin-bottom:28px}
  .section-head h2{font-size:1.7rem}
  .feed li,.report-card,.contact-list li,.defs li{grid-template-columns:1fr;gap:6px}
  .feed time,.report-card time{padding-top:0}
  .contact-band{padding:56px 0}
  .contact-band h2{font-size:1.7rem}
  .page-head .wrap{padding-top:44px;padding-bottom:32px}
  .layout-page .page-body,.layout-report .page-body{padding:28px 20px 60px}
  .report-meta{grid-template-columns:1fr 1fr;gap:12px 16px}
  .timeline li{grid-template-columns:1fr;gap:2px}
  .btn{padding:13px 18px;min-height:44px}
  .actions .btn{flex:1 1 auto;justify-content:center}
  /* without JS the nav sits on its own row below the brand; with JS it collapses behind the Menu button */
  .site-header .wrap{flex-wrap:wrap;align-items:stretch;gap:0;padding-top:10px;padding-bottom:6px;min-height:0}
  .header-row{flex:1 1 100%;min-height:44px}
  .site-nav{flex:1 1 100%;gap:2px 0;margin:4px -8px 0;border-top:1px solid var(--rule);padding-top:4px}
  .site-nav a{padding:8px 8px;font-size:.9rem}
  .js .nav-toggle{display:inline-flex;min-height:44px}
  .js .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-top:0;border-bottom:1px solid var(--rule);margin:0;padding:8px 20px 14px;flex-direction:column;gap:2px;box-shadow:0 18px 30px -24px rgba(20,23,28,.4)}
  .js.nav-open .site-nav{display:flex}
  .js .site-nav a{padding:12px 10px;font-size:1rem;min-height:44px;display:flex;align-items:center}
  .js .site-nav a[aria-current="page"]::after{left:10px;right:auto;width:22px;bottom:6px}
  .site-nav{gap:2px}
  .report-review .report-meta{grid-template-columns:1fr}
}
@media print{.site-header,.banner,.actions,.contact-band,.nav-toggle{display:none}body{background:#fff}.page-body{max-width:none}}