:root{
  --bg:#f8fafc; --surface:#ffffff; --surface2:#f1f5f9;
  --ink:#111c2f; --muted:#4c5b73; --faint:#8494ab;
  --line:#dbe3ec; --line-soft:#e8eef5;
  --accent:#8f2f66; --accent-strong:#a23a77; --accent-soft:#f7ecf3;
  --c1:#a23a77; --c2:#0e9799; --c3:#c07a24; --c4:#3f7ad1;
  --linkedin:#0a66c2;
  --chip-bg:#eef3f9; --shadow:0 1px 2px rgba(17,28,47,.05),0 8px 24px -12px rgba(17,28,47,.12);
  --sans:"Figtree",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --display:"Plus Jakarta Sans",var(--sans);
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --label:"Plus Jakarta Sans",var(--sans);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0b1220; --surface:#111c2f; --surface2:#182641;
    --ink:#e8eef7; --muted:#a6b3c7; --faint:#7286a3;
    --line:#27344d; --line-soft:#1e2a42;
    --accent:#d78fb8; --accent-strong:#c4699d; --accent-soft:#2a1d31;
    --c1:#a84a7d; --c2:#17a2a4; --c3:#c08030; --c4:#4a86d8;
    --linkedin:#70b5f9;
    --chip-bg:#182641; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.5);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0b1220; --surface:#111c2f; --surface2:#182641;
  --ink:#e8eef7; --muted:#a6b3c7; --faint:#7286a3;
  --line:#27344d; --line-soft:#1e2a42;
  --accent:#d78fb8; --accent-strong:#c4699d; --accent-soft:#2a1d31;
  --c1:#a84a7d; --c2:#17a2a4; --c3:#c08030; --c4:#4a86d8;
  --linkedin:#70b5f9;
  --chip-bg:#182641; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.5);
  color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent-strong);outline-offset:2px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);line-height:1.15;text-wrap:balance;margin:0}
.eyebrow{font-family:var(--label);font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.section-sub{color:var(--muted);max-width:62ch;margin:10px 0 0}
.section-sub.wide{max-width:none}

/* ---------- nav ---------- */
nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.navbar{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:600}
.brand:hover{text-decoration:none}
.monogram{width:34px;height:34px;border-radius:8px;background:var(--accent-strong);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:14px;letter-spacing:.02em}
.brand small{display:block;font-family:var(--label);font-weight:600;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.navlinks{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.navlinks a{color:var(--ink);font-size:14px;font-weight:500;padding:7px 11px;border-radius:8px}
.navlinks a:hover{background:var(--surface2);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:9px;font-size:14px;font-weight:600;font-family:var(--sans);border:1px solid transparent;cursor:pointer;transition:background .15s ease}
.btn-primary{background:var(--accent-strong);color:#fff}
.btn-primary:hover{background:var(--accent);text-decoration:none;color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface2);text-decoration:none}
.btn-sm{padding:7px 13px;font-size:13px}

/* ---------- hero ---------- */
.hero{padding:64px 0 56px;border-bottom:1px solid var(--line-soft)}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:20px 44px}
.hero-media{padding-top:6px}
.hero h1{font-size:clamp(30px,4.5vw,44px);font-weight:800;letter-spacing:-.022em}
.hero .lede{color:var(--muted);max-width:58ch;margin:18px 0 24px}
.hero .lede a{font-weight:600}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-links{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
.hero-links a{color:var(--muted)}
.hero-links a:hover{color:var(--accent)}
.hero-panels{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.1fr);gap:18px;margin-top:18px}
.panel-questions{margin-top:32px}
.qlist > div{padding:12px 0;border-top:1px solid var(--line-soft)}
.qlist > div:first-child{border-top:none;padding-top:0}
.qlist > div:last-child{padding-bottom:2px}
.q-title{font-family:var(--display);font-size:16.5px;font-weight:700;letter-spacing:-.01em;line-height:1.35;margin:0}
.q-sub{font-size:13.5px;color:var(--muted);margin:3px 0 0}
.toolkit{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:12.5px;line-height:1.5}
.toolkit b{font-weight:600;color:var(--ink);white-space:nowrap}
.toolkit span{color:var(--muted)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.panel .panel-label{font-family:var(--label);font-weight:700;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 10px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{font-size:12.5px;font-weight:500;color:var(--muted);background:var(--chip-bg);border-radius:999px;padding:4px 11px;white-space:nowrap}
.statrow{display:flex;gap:0;justify-content:space-between}
.stat{flex:1}
.stat b{display:block;font-family:var(--display);font-size:22px;font-weight:700;line-height:1.2;margin-bottom:5px;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:12px;line-height:1.3;color:var(--muted)}

/* ---------- hero carousel ---------- */
.carousel{position:relative;height:100%;border-radius:14px;overflow:hidden;background:#0b1220;border:1px solid var(--line);box-shadow:var(--shadow);outline-offset:3px}
.cs-track{position:absolute;inset:0}
.cs-slide{position:absolute;inset:0;opacity:0;transition:opacity .6s ease}
.cs-slide.active{opacity:1;z-index:1}
.cs-slide img,.cs-slide video{width:100%;height:100%;object-fit:cover;display:block}
.cs-slide img.kb{animation:kb 6.4s cubic-bezier(.25,.1,.25,1) forwards}
.cs-slide img.kb-out{animation:kbout 6.4s cubic-bezier(.25,.1,.25,1) forwards}
@keyframes kb{from{transform:scale(1)}to{transform:scale(1.18)}}
@keyframes kbout{from{transform:scale(1.22)}to{transform:scale(1)}}
.cs-caption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:48px 18px 16px;background:linear-gradient(to top,rgba(11,18,32,.9) 0%,rgba(11,18,32,.55) 55%,rgba(11,18,32,0) 100%);color:#fff;pointer-events:none}
.cs-caption .ck{font-family:var(--label);font-weight:700;font-size:10px;letter-spacing:.12em;text-transform:uppercase;opacity:.82}
.cs-caption .ct{font-family:var(--display);font-weight:800;font-size:16.5px;letter-spacing:-.01em;margin-top:3px;line-height:1.25}
.cs-caption .csub{font-size:12.5px;opacity:.88;margin-top:3px}
.cs-caption a{color:#fff;pointer-events:auto;text-decoration:underline;text-decoration-color:rgba(255,255,255,.45);text-underline-offset:2px}
.cs-count{position:absolute;top:12px;left:12px;z-index:2;font-family:var(--mono);font-size:11px;color:#fff;background:rgba(11,18,32,.55);padding:3px 9px;border-radius:999px;font-variant-numeric:tabular-nums}
.cs-toggle{position:absolute;top:10px;right:10px;z-index:3;width:30px;height:30px;border-radius:50%;border:none;background:rgba(11,18,32,.55);color:#fff;font-size:10px;cursor:pointer;display:grid;place-items:center}
.cs-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:34px;height:34px;border-radius:50%;border:none;background:rgba(11,18,32,.55);color:#fff;font-size:22px;line-height:1;cursor:pointer;opacity:0;transition:opacity .2s;display:grid;place-items:center;padding:0 0 3px}
.cs-prev{left:10px}.cs-next{right:10px}
.carousel:hover .cs-nav,.carousel:focus-within .cs-nav{opacity:1}
.cs-toggle:hover,.cs-nav:hover{background:rgba(11,18,32,.8)}
.cs-progress{position:absolute;left:0;right:0;bottom:0;z-index:3;height:3px;background:rgba(255,255,255,.2)}
.cs-progress span{display:block;height:100%;width:0;background:var(--accent-strong)}
@media (prefers-reduced-motion:reduce){ .cs-slide{transition:none} .cs-slide img.kb,.cs-slide img.kb-out{animation:none} .cs-nav{opacity:1} }
@media (hover:none){ .cs-nav{opacity:1} }

/* ---------- sections ---------- */
section.block{padding:56px 0;border-bottom:1px solid var(--line-soft)}
section.block h2{font-size:26px;font-weight:700;letter-spacing:-.01em}

/* ---------- cards ---------- */
.grid{display:grid;gap:18px;margin-top:28px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px 24px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow)}
.card .venue{font-family:var(--label);font-weight:700;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.card .venue .tag{border:1px solid var(--line);border-radius:5px;padding:2px 7px;color:var(--muted)}
.card h3{font-size:18.5px;font-weight:650}
.card h3 a{color:var(--ink)}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.card .metric{font-family:var(--mono);font-size:12.5px;color:var(--ink);background:var(--surface2);border-radius:7px;padding:6px 10px;align-self:flex-start;font-variant-numeric:tabular-nums}
.card .cta{margin-top:auto;padding-top:6px;font-weight:600;font-size:14px}
.card .cta::after{content:" →"}

/* research cards with visuals */
.rgrid{display:grid;gap:18px;margin-top:28px}
.rcard{padding:0;overflow:hidden;gap:0;flex-direction:row}
.rcard:nth-child(even){flex-direction:row-reverse}
.rviz{flex:0 0 var(--viz-w,44%);background:var(--surface2);padding:16px 20px 10px;border-right:1px solid var(--line-soft)}
.rcard:nth-child(even) .rviz{border-right:none;border-left:1px solid var(--line-soft)}
.rviz svg{width:100%;height:auto;display:block;max-width:420px;margin:0 auto}
.viz-label{font-family:var(--label);font-weight:700;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin:0 0 8px}
.viz-sub{font-size:11px;line-height:1.4;color:var(--faint);margin:-4px 0 8px}
.rbody{padding:20px 24px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.rbody h3{font-size:19px;font-weight:700;line-height:1.35}
.stats{display:flex;gap:0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:10px 0;margin-top:2px}
.stats > div{flex:1;padding:0 12px 0 0}
.stats > div + div{border-left:1px solid var(--line-soft);padding-left:12px}
.stats b{display:block;font-family:var(--display);font-size:19px;font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.stats span{font-size:11.5px;color:var(--muted);line-height:1.3;display:block}
.rcard.thesis{--viz-w:50%}
.rcard.thesis .rviz svg{max-width:none}
.card-links{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:auto;padding-top:4px;font-size:14px;font-weight:600}
.card-links .paper{color:var(--muted)}
.card-links .paper:hover{color:var(--accent)}
@media (max-width:880px){
  .rcard,.rcard:nth-child(even){flex-direction:column}
  .rviz,.rcard:nth-child(even) .rviz{flex:none;border-right:none;border-left:none;border-bottom:1px solid var(--line-soft)}
}

/* media */
.card-media{margin:-22px -24px 8px;height:124px;border-bottom:1px solid var(--line-soft);border-radius:13px 13px 0 0;overflow:hidden;background:#2516e3}
.card-media > img{display:block;width:100%;height:100%;object-fit:contain}
.udemy-banner{display:flex;align-items:stretch;gap:20px;padding:0 22px 0 0;height:124px;color:#1a1a1a;background:#9e9e9e!important}
.udemy-banner img{width:150px;height:100%;object-fit:cover;object-position:50% 8%;flex:none;border:none;border-radius:0;display:block}
.ub-text{display:flex;flex-direction:column;justify-content:center;line-height:1.2}
.ub-kicker{font-family:var(--label);font-weight:700;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#3a3a3a;margin-bottom:5px}
.ub-text b{font-family:var(--display);font-size:21px;font-weight:800;letter-spacing:-.01em;color:#141414}
.ub-sub{font-size:14px;color:#2c2c2c;margin-top:3px}
/* products */
.prod-links{display:flex;gap:14px;font-size:13.5px;flex-wrap:wrap}

/* ---------- reviews ---------- */
.reviews{margin-top:36px;border-top:1px solid var(--line-soft);padding-top:30px}
.reviews-head{margin-bottom:18px}
.reviews-sub{color:var(--muted);font-size:14px;margin:0}
.src-filter{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.src-btn{font-family:var(--sans);font-size:13px;font-weight:600;padding:6px 13px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
.src-btn[aria-pressed="true"]{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}
.src-btn small{font-weight:500;opacity:.75;margin-left:4px}
.review-stage{display:grid;grid-template-columns:40px 1fr 40px;gap:14px;align-items:center}
.review{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px 30px;box-shadow:var(--shadow);min-height:190px;display:flex;flex-direction:column;justify-content:center;gap:14px;position:relative}
.review::before{content:"“";position:absolute;left:22px;top:6px;font-family:var(--display);font-size:56px;line-height:1;color:var(--accent-strong);opacity:.35}
.review .rv-text{font-size:17px;line-height:1.55;color:var(--ink);margin:0;padding-left:26px}
.review .rv-meta{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;font-size:13px;color:var(--muted);padding-left:26px}
.review .rv-meta b{color:var(--ink);font-weight:600}
.review .rv-src{font-family:var(--label);font-weight:700;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);border:1px solid var(--line);border-radius:5px;padding:2px 7px}
.review .rv-likes{font-variant-numeric:tabular-nums}
.review .rv-stars{color:var(--c3);font-size:13px;letter-spacing:.04em}
.review details{padding-left:26px;font-size:13px;color:var(--muted)}
.review details summary{cursor:pointer;color:var(--accent);font-weight:600;list-style:none}
.review details summary::-webkit-details-marker{display:none}
.review details p{margin:8px 0 0;line-height:1.5}
.rv-nav{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:22px;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0 0 3px}
.rv-nav:hover{background:var(--surface2)}
.rv-dots{display:flex;gap:7px;justify-content:center;margin-top:14px}
.rv-dots button{width:8px;height:8px;border-radius:50%;border:none;background:var(--line);padding:0;cursor:pointer}
.rv-dots button[aria-selected="true"]{background:var(--accent-strong);width:22px;border-radius:4px}
.review.fade{animation:rvfade .35s ease}
@keyframes rvfade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@media (max-width:880px){
  .review-stage{grid-template-columns:1fr}
  .rv-nav{display:none}
  .review .rv-text{font-size:16px}
}
@media (prefers-reduced-motion:reduce){ .review.fade{animation:none} }

/* ---------- publications ---------- */
.pubs{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-direction:column}
.pubs li{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:16px 4px;border-top:1px solid var(--line-soft)}
.pubs li:last-child{border-bottom:1px solid var(--line-soft)}
.pubs .pv{font-family:var(--label);font-weight:600;font-size:12px;color:var(--accent);letter-spacing:.02em;padding-top:2px}
.pubs .pv small{display:block;color:var(--faint);letter-spacing:.02em}
.pubs .pt a{color:var(--ink);font-weight:550}
.pubs .pa{display:block;font-size:13.5px;color:var(--muted);margin-top:2px}

/* ---------- about ---------- */
.timeline{list-style:none;margin:0;padding:0;border-top:2px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.timeline li{padding:16px 8px 0 0;position:relative;font-size:14.5px}
.timeline li::before{content:"";position:absolute;left:0;top:-6px;width:10px;height:10px;border-radius:50%;background:var(--accent-strong)}
.timeline b{font-weight:600}
.timeline .yr{font-family:var(--mono);font-size:12px;color:var(--faint)}
.timeline p{margin:2px 0 0;font-size:14px;color:var(--muted)}
.awards{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--muted)}
.awards li{padding-left:20px;position:relative}
.awards li::before{content:"◆";position:absolute;left:0;color:var(--accent-strong);font-size:11px;top:4px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;margin-top:28px}
.contact-links{margin-top:22px;border-top:1px solid var(--line-soft)}
.contact-links a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 0;border-bottom:1px solid var(--line-soft)}
.contact-links span{font-family:var(--label);font-weight:700;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.contact-links b{font-weight:600}
form{display:flex;flex-direction:column;gap:14px}
label{font-size:13px;font-weight:600}
input,textarea{width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:10px 13px;margin-top:5px}
input:focus,textarea:focus{outline:2px solid var(--accent-strong);outline-offset:0;border-color:transparent}
.formnote{font-size:12.5px;color:var(--faint);margin:0}
.formnote:empty{display:none}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

/* ---------- footer ---------- */
footer{padding:32px 0 44px;color:var(--faint);font-size:13.5px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- explainer views ---------- */
.view{padding:48px 0 72px}
.backlink{font-family:var(--label);font-weight:600;font-size:12.5px;letter-spacing:.02em}
.exp-head{margin:22px 0 8px;max-width:70ch}
.exp-head h1{font-size:clamp(26px,3.6vw,36px);font-weight:700;letter-spacing:-.012em}
.onesent{font-size:18px;color:var(--muted);max-width:62ch;margin:16px 0 0}
.exp-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:34px 0}
.exp-cols .card p{font-size:14px}
.exp-cols .card h3{font-size:15px}
.figure{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px 28px;margin:12px 0;box-shadow:var(--shadow)}
.figure .figtitle{font-weight:650;font-family:var(--display);font-size:17px;margin:0 0 2px}
.figure .figsub{font-size:13.5px;color:var(--muted);margin:0 0 18px}
.fignote{font-size:12.5px;color:var(--faint);margin:14px 0 0}
.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:0 0 14px}
.legend .sw{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:7px;vertical-align:-1px}
.toggle{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:0 0 18px}
.toggle button{font-family:var(--sans);font-size:13px;font-weight:600;padding:7px 14px;border:none;background:transparent;color:var(--muted);cursor:pointer}
.toggle button[aria-pressed="true"]{background:var(--accent-strong);color:#fff}
.paper-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
svg text{font-family:var(--sans)}
.axis{stroke:var(--line);stroke-width:1}
.gridline{stroke:var(--line-soft);stroke-width:1}
.ticktext{fill:var(--muted);font-size:12px}
.dlabel{fill:var(--ink);font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums}
.baraxis-label{fill:var(--faint);font-size:11.5px}
#tooltip{position:fixed;pointer-events:none;background:var(--ink);color:var(--bg);font-size:12.5px;padding:7px 11px;border-radius:8px;z-index:99;max-width:260px;line-height:1.45}

/* bandit sim */
.sim-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:26px;align-items:start}
.arm{margin-bottom:14px}
.arm-top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px}
.arm-top .an{font-weight:600}
.arm-top .ac{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--muted)}
.arm-bar{height:22px;background:var(--surface2);border-radius:6px;overflow:hidden}
.arm-fill{height:100%;border-radius:6px 0 0 6px;width:0%;transition:width .12s linear}
.sim-side .tile{background:var(--surface2);border-radius:10px;padding:14px 16px;margin-bottom:12px}
.sim-side .tile b{display:block;font-family:var(--display);font-size:24px;font-variant-numeric:tabular-nums}
.sim-side .tile span{font-size:12.5px;color:var(--muted)}
.savings{font-family:var(--mono);font-size:13px;color:var(--accent);font-weight:500}

/* taxonomy + odds */
.hbar-row{display:grid;grid-template-columns:180px 1fr 64px;gap:12px;align-items:center;margin-bottom:9px;font-size:13.5px}
.hbar-row .hb-name{text-align:right;color:var(--ink);font-weight:500}
.hbar-track{height:20px;background:var(--surface2);border-radius:5px}
.hbar-fill{height:100%;border-radius:5px;background:var(--c1);min-width:2px}
.hbar-val{font-family:var(--mono);font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.shift-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px}
.shift-card{background:var(--surface2);border-radius:10px;padding:14px 16px;text-align:center}
.shift-card .sc-name{font-size:13px;font-weight:600;margin-bottom:6px}
.shift-card .sc-move{font-family:var(--mono);font-size:15px;font-variant-numeric:tabular-nums}
.shift-card .sc-note{font-size:11.5px;color:var(--faint);margin-top:4px}

/* framework diagram */
.fw-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:10px;align-items:stretch;margin-bottom:20px}
.fw-stage{background:var(--surface2);border:1px solid var(--line);border-radius:11px;padding:15px 16px}
.fw-stage b{display:block;font-size:14px;margin-bottom:5px}
.fw-stage p{margin:0;font-size:12.5px;color:var(--muted)}
.fw-arrow{align-self:center;color:var(--faint);font-size:20px}
.load-btns{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:14px}
.load-btn{font-family:var(--sans);font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
.load-btn[aria-pressed="true"]{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}
#loadDesc{background:var(--surface2);border-radius:10px;padding:14px 17px;font-size:14px;color:var(--muted);min-height:66px}

/* interpretation line for odds chart */
#orReadout{background:var(--accent-soft);border-radius:10px;padding:13px 17px;font-size:14px;margin-top:14px}

@media (max-width:880px){
  .hero-grid,.hero-panels,.contact-grid,.sim-wrap{grid-template-columns:1fr}
  .hero-media{order:3;margin-top:12px;padding-top:0}
  .toolkit{grid-template-columns:1fr;gap:2px 0}
  .toolkit span + b{margin-top:8px}
  .carousel{height:auto;aspect-ratio:1/1}
  .timeline{grid-template-columns:1fr;gap:18px;border-top:none;border-left:2px solid var(--line)}
  .timeline li{padding:0 0 0 18px}
  .timeline li::before{left:-6px;top:7px}
  .grid-2{grid-template-columns:1fr}
  .exp-cols{grid-template-columns:1fr}
  .pubs li{grid-template-columns:1fr;gap:4px}
  .fw-flow{grid-template-columns:1fr}
  .fw-arrow{transform:rotate(90deg);justify-self:center}
  .navlinks{display:none}
  .shift-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .arm-fill{transition:none}
  *{scroll-behavior:auto!important}
}
html{scroll-behavior:smooth}
.viz-scroll{overflow-x:auto}

/* multi-page additions */
.btn{white-space:nowrap}
@media (max-width:1100px){.brand small{display:none}}
section.block .page-title{font-size:26px;font-weight:700;letter-spacing:-.01em}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:7px 11px;font:inherit;font-size:14px;color:var(--ink);cursor:pointer}
.navlinks a[aria-current="page"]{color:var(--accent);font-weight:600}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card.mini h3{font-size:16px;line-height:1.35}
.card.mini .card-links{font-size:13.5px}
.more{margin:22px 0 0}
.cta-block{background:var(--surface2)}
.cta{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
section.block .cta h2{font-size:24px;margin-top:6px}
.cta .section-sub{margin-top:8px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
section.block.cv h2{font-size:19px;margin:34px 0 8px;padding-bottom:6px;border-bottom:1px solid var(--line-soft)}
.cv p{color:var(--muted);font-size:14.5px;line-height:1.6;margin:6px 0 0}
.cv ul{margin:6px 0 0;padding-left:18px}
.cv ul ul{margin-top:2px}
.cv li{margin:3px 0;color:var(--muted);font-size:14.5px;line-height:1.55}
.cv b{color:var(--ink);font-weight:600}
section.block.prose h2{font-size:18px;margin:26px 0 0}
.prose p{max-width:70ch;color:var(--muted);margin:10px 0 0}
@media (max-width:880px){
  .menu-btn{display:inline-block}
  .navlinks{display:none;position:absolute;left:0;right:0;top:64px;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 24px 14px;flex-direction:column;gap:2px}
  .navlinks.open{display:flex}
  .grid-3{grid-template-columns:1fr}
  .cta{flex-direction:column;align-items:flex-start}
}