/* ============================================================
   Status Health · PFAS Intelligence (internal)
   Clinical / minimal theme: white, charcoal-green ink, lime accent
   ============================================================ */
:root{
  --brand:#9CBB04; --brand-d:#7A9503; --brand-l:#c6dd55;
  --bg:#ffffff; --surface:#f7f8f2; --surface2:#eef1e4;
  --ink:#191d12; --ink2:#3c422f; --muted:#6a715a;
  --line:#e4e7d8; --line2:#d3d8c3;
  --pill:#f0f3e4; --shadow:0 1px 2px rgba(25,29,18,.05),0 8px 24px rgba(25,29,18,.05);
  --ok:#3f8f3f; --warn:#c98a1a; --bad:#c0472f; --link:#5c7a00;
  --mono:"SF Mono",ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --r:14px; --maxw:1160px;
}
:root[data-theme="dark"]{
  --bg:#12150d; --surface:#191d12; --surface2:#222717;
  --ink:#eef1e3; --ink2:#c7cdb6; --muted:#9aa286;
  --line:#2a3019; --line2:#39411f; --pill:#222717;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  --link:#c6dd55;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#12150d; --surface:#191d12; --surface2:#222717;
    --ink:#eef1e3; --ink2:#c7cdb6; --muted:#9aa286;
    --line:#2a3019; --line2:#39411f; --pill:#222717;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
    --link:#c6dd55;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);
  font-size:15.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:2.1rem;font-weight:800}
h2{font-size:1.5rem;font-weight:750}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}
.small{font-size:.86rem}
.mono{font-family:var(--mono)}
hr{border:0;border-top:1px solid var(--line);margin:26px 0}

/* ---------- header (dark brand masthead, both themes) ---------- */
.top{position:sticky;top:0;z-index:50;
  background:linear-gradient(103deg,#14160e 0%,#20221a 52%,#2f2c23 100%);
  border-bottom:1px solid rgba(255,255,255,.09)}
.top .brand img{height:30px}
.top .brand .sub{color:#fff;border-left-color:rgba(255,255,255,.32)}
.top .search-mini{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.16)}
.top .search-mini svg{color:rgba(255,255,255,.6)}
.top .search-mini input{color:#fff}
.top .search-mini input::placeholder{color:rgba(255,255,255,.55)}
.top .theme-btn{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.16);color:#fff}
.top .theme-btn:hover{border-color:var(--brand)}
.top-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:16px;
  padding:11px 22px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand img{height:30px;width:auto;display:block}
/* theme-aware logo: dark-ink wordmark on light, white wordmark on dark */
img.logo-dark{display:none}
img.logo-light{display:block}
:root[data-theme="dark"] img.logo-light{display:none}
:root[data-theme="dark"] img.logo-dark{display:block}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]) img.logo-light{display:none}
  :root:not([data-theme="light"]) img.logo-dark{display:block}
}
.brand .sub{font-weight:700;font-size:.82rem;color:var(--muted);border-left:1px solid var(--line2);
  padding-left:11px;letter-spacing:.02em}

/* ---------- "PFAS Intelligence" quick-jump menu (hover or click) ---------- */
.navmenu{position:relative;flex:none;padding-bottom:12px;margin-bottom:-12px}
.navmenu-btn{display:inline-flex;align-items:center;gap:7px;background:none;border:0;cursor:pointer;
  font:inherit;font-weight:700;font-size:.82rem;letter-spacing:.02em;color:#fff;
  border-left:1px solid rgba(255,255,255,.32);padding:4px 0 4px 11px}
.navmenu-btn:hover{color:var(--brand-l)}
.nm-caret{font-size:.68rem;opacity:.75;transition:transform .15s}
.navmenu:hover .nm-caret,.navmenu.open .nm-caret{transform:rotate(180deg)}
.navmenu-panel{position:absolute;top:100%;left:0;min-width:255px;z-index:70;display:none;
  background:var(--bg);border:1px solid var(--line2);border-radius:12px;box-shadow:var(--shadow);padding:7px}
.navmenu:hover .navmenu-panel,.navmenu.open .navmenu-panel{display:block}
.navmenu-panel a{display:flex;align-items:center;gap:10px;padding:8px 11px;border-radius:8px;
  font-size:.88rem;font-weight:600;color:var(--ink2);white-space:nowrap}
.navmenu-panel a:hover{background:var(--surface);color:var(--ink);text-decoration:none}
.navmenu-panel a.on{background:color-mix(in srgb,var(--brand) 18%,transparent);color:var(--ink)}
.navmenu-panel a .n{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;
  padding:0 5px;border-radius:6px;background:var(--pill);color:var(--ink2);font-size:.72rem;font-weight:700}
.navmenu-panel a.on .n{background:var(--brand);color:#1a1f10}
@media(max-width:560px){.navmenu-panel{min-width:210px}}
.spacer{flex:1}
.search-mini{display:flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:6px 12px;min-width:150px}
.search-mini svg{width:15px;height:15px;color:var(--muted);flex:none}
.search-mini input{border:0;background:none;outline:none;color:var(--ink);width:100%;font-size:.9rem}
.theme-btn{flex:none;background:var(--surface);border:1px solid var(--line);color:var(--ink);
  width:36px;height:36px;border-radius:999px;cursor:pointer;font-size:1rem}
.theme-btn:hover{border-color:var(--brand)}

/* ---------- primary tab nav (with left/right scroll arrows) ---------- */
.tabnav{background:var(--bg);border-bottom:1px solid var(--line);position:sticky;top:53px;z-index:40}
.tabnav-wrap{max-width:var(--maxw);margin:0 auto;display:flex;align-items:stretch}
.tabnav-arrow{flex:none;width:46px;border:0;background:none;color:var(--brand-d);font-size:2.1rem;
  font-weight:800;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .12s,background .12s}
.tabnav-arrow:hover:not([disabled]){color:var(--brand);background:var(--surface)}
.tabnav-arrow[disabled]{opacity:.22;cursor:default}
.tabnav-inner{flex:1;min-width:0;display:flex;gap:2px;overflow-x:auto;
  padding:0 6px;scrollbar-width:none}
.tabnav-inner::-webkit-scrollbar{height:0}
.tabnav-inner::-webkit-scrollbar{height:5px}
.tabnav-inner::-webkit-scrollbar-thumb{background:var(--line2);border-radius:3px}
.tabnav a{flex:none;display:flex;align-items:center;gap:7px;padding:12px 13px;font-size:.9rem;
  font-weight:600;color:var(--muted);border-bottom:2.5px solid transparent;white-space:nowrap}
.tabnav a .n{display:inline-flex;align-items:center;justify-content:center;min-width:19px;height:19px;
  padding:0 5px;border-radius:6px;background:var(--pill);color:var(--ink2);font-size:.72rem;font-weight:700}
.tabnav a:hover{color:var(--ink);text-decoration:none}
.tabnav a.active{color:var(--ink);border-bottom-color:var(--brand)}
.tabnav a.active .n{background:var(--brand);color:#1a1f10}

/* ---------- page scaffold ---------- */
main{min-height:70vh}
.page{max-width:var(--maxw);margin:0 auto;padding:30px 22px 60px}
.page-head{margin-bottom:22px}
.page-head .kicker{color:var(--brand-d);font-weight:750;font-size:.8rem;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:6px}
.page-head h1{margin-bottom:.25em}
.page-head .lede{color:var(--ink2);font-size:1.06rem;max-width:70ch}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:14px}

/* ---------- hero (landing) ---------- */
.hero{position:relative;overflow:hidden;border-radius:20px;margin:6px 0 24px;padding:56px 44px;border:1px solid var(--line);
  background:radial-gradient(120% 150% at 86% 8%, color-mix(in srgb,var(--brand) 22%,transparent) 0%, transparent 55%),
             linear-gradient(115deg,#f6f8ec 0%, #ffffff 62%)}
:root[data-theme="dark"] .hero{background:radial-gradient(120% 150% at 86% 8%, color-mix(in srgb,var(--brand) 26%,transparent) 0%, transparent 52%),
             linear-gradient(115deg,#171b10 0%, #12150d 62%)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero{background:radial-gradient(120% 150% at 86% 8%, color-mix(in srgb,var(--brand) 26%,transparent) 0%, transparent 52%),linear-gradient(115deg,#171b10 0%, #12150d 62%)}}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(46% 60% at 12% 92%, color-mix(in srgb,var(--brand) 15%,transparent), transparent 68%);
  animation:heroGlow 13s ease-in-out infinite}
@keyframes heroGlow{0%,100%{opacity:.45;transform:translate(0,0)}50%{opacity:.95;transform:translate(34px,-16px)}}
.hero-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.hero-bg .mol{position:absolute;opacity:.13;mix-blend-mode:multiply;animation:heroFloat 15s ease-in-out infinite;will-change:transform}
:root[data-theme="dark"] .hero-bg .mol{mix-blend-mode:screen;filter:invert(1) hue-rotate(35deg);opacity:.14}
.hero-bg .m1{width:300px;top:-46px;right:14px;animation-delay:0s}
.hero-bg .m2{width:210px;bottom:-64px;right:250px;opacity:.09;animation-delay:-6s}
.hero-bg .m3{width:150px;top:26px;right:440px;opacity:.08;animation-delay:-10s}
.hero-bg .m4{width:180px;bottom:12px;right:620px;opacity:.07;animation-delay:-3s}
.hero-bg .m5{width:120px;top:120px;right:130px;opacity:.06;animation-delay:-8s}
@keyframes heroFloat{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-18px) rotate(4deg)}}
@media(max-width:1000px){.hero-bg .m4,.hero-bg .m5{display:none}}
@media (prefers-reduced-motion:reduce){.hero-bg .mol,.hero::before{animation:none}}
.hero-inner{position:relative;max-width:610px}
.hero .kicker{color:var(--brand-d);font-weight:750;font-size:.82rem;letter-spacing:.09em;text-transform:uppercase;margin-bottom:12px}
.hero-h1{font-size:3.1rem;line-height:1.04;font-weight:850;letter-spacing:-.025em;margin:0 0 14px}
.hero-sub{font-size:1.13rem;color:var(--ink2);max-width:56ch;margin:0 0 24px}
.hero-cta{display:flex;flex-wrap:wrap;gap:11px}
@media(max-width:820px){.hero-bg .m2,.hero-bg .m3{display:none}.hero-bg .m1{opacity:.08;right:-30px}}
@media(max-width:640px){.hero{padding:38px 22px}.hero-h1{font-size:2.15rem}.hero-sub{font-size:1.02rem}}

/* ---------- data-source badges ---------- */
.sources{margin:22px 0 8px;padding:18px 14px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.sources-lbl{font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;text-align:center;margin-bottom:14px}
/* wrap onto as many lines as needed: a centred nowrap row clips its end badges
   and the clipped part cannot be scrolled to */
.sources-row{display:flex;flex-wrap:wrap;gap:8px 10px;justify-content:center;padding:2px 2px 4px}
.src{flex:none;display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--line);border-radius:11px;
  background:var(--bg);color:var(--ink2);font-weight:700;font-size:.84rem;white-space:nowrap;transition:transform .12s,border-color .12s,color .12s}
.src:hover{border-color:var(--brand);color:var(--ink);text-decoration:none;transform:translateY(-2px)}
.src .logo{height:24px;width:auto;max-width:84px;object-fit:contain;display:block;background:#fff;border-radius:5px;padding:2px 4px;flex:none}
.src .src-t{white-space:nowrap}
.src .mark{width:26px;height:26px;border-radius:8px;color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:.7rem;font-weight:800;letter-spacing:-.02em;flex:none}
/* inline source link with its official logo (e.g. EPA Method 1633A) */
.src-inline{display:inline-flex;align-items:center;gap:5px;font-weight:650;vertical-align:baseline;white-space:nowrap}
.src-inline img{height:17px;width:auto;background:#fff;border-radius:3px;padding:1px 2px;flex:none}
.src-inline:hover{text-decoration:underline}
.src-line{display:inline-flex;align-items:center;gap:5px;white-space:nowrap;max-width:100%}

/* ---------- figure bars (mini charts before tables) ---------- */
.figbars{margin:0 0 14px;padding:15px 17px;background:var(--surface);border:1px solid var(--line);border-radius:13px}
.figbars-t{font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;margin-bottom:12px}
.figbar{margin-bottom:12px}
.figbar:last-child{margin-bottom:0}
.figbar .fbl{display:block;color:var(--ink);font-weight:650;font-size:.86rem;margin-bottom:5px;line-height:1.35}
.figbar .fbi{font-size:1.02rem;margin-right:2px}
.figbar .fbrow{display:grid;grid-template-columns:1fr 40px;align-items:center;gap:11px}
.figbar .fbt{height:16px;background:var(--surface2);border-radius:8px;overflow:hidden}
.figbar .fbf{display:block;height:100%;border-radius:8px;min-width:4px;transition:width .5s ease}
.figbar .fbv{font-family:var(--mono);text-align:right;color:var(--ink);font-weight:700}
.grp-ic{font-size:1.1rem}

/* ---------- index groupings ---------- */
.idx-block{margin:0 0 32px}
.idx-title{display:flex;align-items:center;gap:11px;font-size:1.3rem;margin-bottom:13px}
.idx-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;
  background:var(--brand);color:#1a1f10;font-size:.9rem;font-weight:800;flex:none}
.grp{padding:13px 0;border-bottom:1px solid var(--line)}
.grp:last-child{border-bottom:0}
.grp-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:5px}
.grp-h strong{font-size:1.02rem}
.grp-desc{margin-bottom:9px;max-width:82ch}
.grp-members{display:flex;flex-wrap:wrap;align-items:center;font-size:.9rem;line-height:2}
.grp-members .sep{color:var(--line2);margin:0 6px}
.grp-refs{margin-top:9px;padding-left:11px;border-left:2px solid var(--line2)}

/* ---------- cards / grid ---------- */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.autofit{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
@media(max-width:840px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 18px}
.card.pad0{padding:0;overflow:hidden}
.card.hover{transition:transform .12s,box-shadow .12s,border-color .12s;cursor:pointer}
.card.hover:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--line2)}
.card h3{margin-bottom:.35em}
.stat{font-size:2rem;font-weight:800;letter-spacing:-.02em;line-height:1}
.stat .u{font-size:.9rem;font-weight:600;color:var(--muted);margin-left:4px}
.card .lbl{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700}

/* ---------- chips / badges ---------- */
.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;
  background:var(--pill);border:1px solid var(--line);font-size:.78rem;font-weight:650;color:var(--ink2)}
.chip.brand{background:var(--brand);border-color:var(--brand);color:#1a1f10}
.chip.on{background:color-mix(in srgb,var(--brand) 22%,transparent);border-color:var(--brand)}
.chip.dot::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.fam-dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex:none}
.tag-yes{color:var(--ok);font-weight:700}
.tag-no{color:var(--muted)}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- control bar (adjustable charts) ---------- */
.controls{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;padding:12px 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:14px}
.ctl{display:flex;align-items:center;gap:8px;font-size:.85rem}
.ctl>span.cl{color:var(--muted);font-weight:700;font-size:.76rem;text-transform:uppercase;letter-spacing:.04em}
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:2px}
.seg button{border:0;background:none;padding:5px 11px;border-radius:7px;font:inherit;font-size:.83rem;
  font-weight:650;color:var(--muted);cursor:pointer}
.seg button.on{background:var(--brand);color:#1a1f10}
.seg button:hover:not(.on){color:var(--ink)}
select.ctl-sel{font:inherit;font-size:.85rem;padding:6px 9px;border-radius:8px;border:1px solid var(--line);
  background:var(--bg);color:var(--ink);cursor:pointer}
.checks{display:flex;flex-wrap:wrap;gap:6px}
.check{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg);font-size:.8rem;font-weight:600;cursor:pointer;color:var(--ink2);user-select:none}
.check.on{border-color:var(--sw,var(--brand));background:color-mix(in srgb,var(--sw,var(--brand)) 16%,transparent);color:var(--ink)}
.check .sw{width:10px;height:10px;border-radius:3px;background:var(--sw,var(--brand))}
input[type=range]{accent-color:var(--brand)}

/* ---------- charts ---------- */
.chartbox{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 12px 10px;overflow:hidden}
.fig-int{margin:0 0 12px}

/* ---------- radial 40-PFAS wheel (home) ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes wheelIn{from{opacity:0;transform:scale(.965)}to{opacity:1;transform:scale(1)}}
@keyframes spokeIn{from{opacity:0}to{opacity:1}}
.wheel-stage{position:relative;max-width:720px;margin:0 auto}
.wheel-stage .pfas-wheel{position:relative;z-index:1}
.orbit-layer{position:absolute;inset:0;z-index:0;pointer-events:none}
.orbiter{position:absolute;inset:0;animation-name:orbSpin;animation-timing-function:linear;animation-iteration-count:infinite}
.orb-pos{position:absolute;left:50%;transform:translate(-50%,-50%)}
.orb-img{display:block;opacity:.26;mix-blend-mode:multiply;
  animation-name:orbSpin;animation-direction:reverse;animation-timing-function:linear;animation-iteration-count:infinite}
:root[data-theme="dark"] .orb-img{mix-blend-mode:screen;filter:invert(1) hue-rotate(35deg);opacity:.15}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .orb-img{mix-blend-mode:screen;filter:invert(1) hue-rotate(35deg);opacity:.15}}
@keyframes orbSpin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@media(max-width:640px){.orbit-layer{display:none}}
.wheel-box{position:relative;overflow:hidden;margin:0 0 18px;padding:62px 16px 56px;
  border:1px solid var(--line);border-radius:20px;
  background:radial-gradient(120% 90% at 50% -10%, color-mix(in srgb,var(--brand) 10%,transparent) 0%, transparent 60%), var(--surface);
  box-shadow:0 1px 2px rgba(25,29,18,.04),0 16px 40px rgba(25,29,18,.06);
  animation:fadeUp .6s cubic-bezier(.2,.7,.3,1) both}
.pfas-wheel{display:block;width:100%;max-width:720px;margin:0 auto;height:auto;
  transform-origin:50% 50%;animation:wheelIn .75s cubic-bezier(.2,.7,.3,1) both}
.pfas-wheel a{cursor:pointer}
.pfas-wheel a.wl{animation:spokeIn .45s ease-out both}
/* hovering a compound pops its whole segment (arc + name) outward from the hub */
.pfas-wheel .wl-in{transform-box:view-box;transform-origin:350px 350px;
  transition:transform .2s cubic-bezier(.2,.7,.3,1)}
.pfas-wheel .cmp-hit{pointer-events:all}
.pfas-wheel a.wl:hover .wl-in{transform:scale(1.07)}
.pfas-wheel a.wl:hover .cmp-arc{opacity:1}
.pfas-wheel a.wl:hover text{text-decoration:underline}
.pfas-wheel .fam-wedge{transition:fill-opacity .22s ease,stroke-opacity .22s ease}
.pfas-wheel .fam-wedge:hover{fill-opacity:.3;stroke-opacity:.95}
.pfas-wheel .cmp-arc{transition:opacity .18s ease}
.pfas-wheel .cmp-arc:hover{opacity:1}
.pfas-wheel .wheel-hub{filter:drop-shadow(0 3px 12px rgba(25,29,18,.07))}
/* gentle staggered entrance for cards and source badges */
.card,.src{animation:fadeUp .45s cubic-bezier(.2,.7,.3,1) both}
.grid>*:nth-child(2),.sources-row>*:nth-child(2){animation-delay:.05s}
.grid>*:nth-child(3),.sources-row>*:nth-child(3){animation-delay:.1s}
.grid>*:nth-child(4),.sources-row>*:nth-child(4){animation-delay:.15s}
.grid>*:nth-child(5),.sources-row>*:nth-child(5){animation-delay:.2s}
.grid>*:nth-child(6),.sources-row>*:nth-child(6){animation-delay:.25s}
.grid>*:nth-child(7),.sources-row>*:nth-child(7){animation-delay:.3s}
.sources-row>*:nth-child(8){animation-delay:.35s}
details.fam{transition:transform .14s ease,box-shadow .14s ease,border-color .14s ease}
details.fam:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--line2)}
@media (prefers-reduced-motion:reduce){
  .wheel-box,.pfas-wheel,.pfas-wheel a.wl,.card,.src,.orbiter,.orb-img{animation:none}
  details.fam:hover{transform:none}
}
.fam-def{color:var(--ink2);font-size:.88rem;line-height:1.55;margin:0 0 10px}
.chartbox svg{display:block;width:100%;height:auto;overflow:visible}
.chart-note{color:var(--muted);font-size:.8rem;padding:8px 6px 0}
svg .axis{stroke:var(--line2);stroke-width:1}
svg .grid-l{stroke:var(--line);stroke-width:1;stroke-dasharray:2 3}
svg text{fill:var(--ink2);font-family:var(--sans)}
svg .lbl-mut{fill:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:12px;padding:6px 6px 2px;font-size:.8rem}
.legend .li{display:inline-flex;align-items:center;gap:6px;color:var(--ink2)}
.legend .li i{width:14px;height:3px;border-radius:2px;display:inline-block}
.tt{position:fixed;pointer-events:none;background:var(--ink);color:var(--bg);font-size:.78rem;
  padding:6px 9px;border-radius:7px;z-index:99;box-shadow:var(--shadow);max-width:240px;opacity:0;transition:opacity .1s}

/* interactive route popover */
.rxpop{position:fixed;z-index:120;min-width:232px;max-width:344px;background:var(--bg);
  border:1px solid var(--line2);border-radius:13px;
  box-shadow:0 14px 34px rgba(20,25,15,.20),0 3px 8px rgba(20,25,15,.10);
  padding:11px 12px 12px;opacity:0;transform:translateY(6px) scale(.98);pointer-events:none;
  transition:opacity .13s ease,transform .13s ease}
.rxpop.show{opacity:1;transform:none;pointer-events:auto}
.rxpop.pinned{outline:2px solid var(--brand);outline-offset:2px}
.rxpop-hd{display:flex;align-items:center;gap:8px;margin:0 0 9px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.rxpop-dot{width:11px;height:11px;border-radius:50%;flex:none;box-shadow:0 0 0 3px rgba(0,0,0,.06)}
.rxpop-ti{font-weight:800;font-size:.86rem;color:var(--ink);letter-spacing:-.01em}
.rxpop-ct{margin-left:auto;font-weight:800;font-size:.72rem;color:var(--ink2);
  background:var(--surface2);border-radius:20px;padding:2px 9px}
.rxpop-list{display:flex;flex-wrap:wrap;gap:5px}
.rxpchip{font-size:.74rem;font-weight:600;line-height:1;padding:5px 8px;border-radius:7px;
  background:var(--surface2);color:var(--brand-d);text-decoration:none;border:1px solid transparent;
  transition:background .1s,color .1s,border-color .1s,transform .06s}
.rxpchip:hover{background:var(--brand-d);color:#fff;border-color:var(--brand-d)}
.rxpchip:active{transform:translateY(1px)}
.rxpchip-x{background:var(--surface2);color:var(--muted);cursor:default}
.rxpop-hint{margin:9px 1px 0;font-size:.68rem;color:var(--muted)}
@media(prefers-reduced-motion:reduce){.rxpop{transition:opacity .01s;transform:none}}

/* ---------- tables ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table.data{border-collapse:collapse;width:100%;font-size:.88rem}
table.data th,table.data td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.data td{overflow-wrap:break-word}   /* long prose/URLs wrap instead of forcing the table wide */
table.data thead th{position:sticky;top:0;background:var(--surface2);color:var(--ink);font-weight:700;
  font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;z-index:2;white-space:nowrap;cursor:default}
table.data thead th.sortable{cursor:pointer;user-select:none}
table.data thead th.sortable:hover{color:var(--brand-d)}
table.data thead th .ar{opacity:.4;margin-left:4px;font-size:.7rem}
table.data thead th.sorted .ar{opacity:1;color:var(--brand-d)}
table.data tbody tr:hover{background:color-mix(in srgb,var(--brand) 7%,transparent)}
table.data td.num{font-family:var(--mono);text-align:center;white-space:nowrap}
table.data tr:last-child td{border-bottom:0}
.tbl-cap{padding:10px 4px;color:var(--muted);font-size:.85rem}
table.data th.num{text-align:center}   /* numeric header sits centred over its own digits */
table.data td.strongcol{font-weight:700;color:var(--ink)}   /* group-label column */
/* a non-numeric cell inside a numeric column: centred to match, but free to wrap */
table.data td.numcol{text-align:center}
/* fitted table: column widths come from a <colgroup> sized to each column's content,
   so nothing is starved and nothing overflows the page */
table.data.fit{table-layout:fixed;font-size:.8rem}
table.data.fit th,table.data.fit td{padding:7px 10px}
table.data.fit thead th{white-space:normal}   /* let long headers wrap so all columns fit */
table.data.fit th,table.data.fit td{overflow-wrap:break-word;word-break:normal}
table.data.fit td.num{white-space:nowrap}
/* many-column tables: tighter type and padding so every column still fits whole words */
table.data.fit.dense{font-size:.72rem}
table.data.fit.dense th,table.data.fit.dense td{padding:5px 5px}
/* notes lifted out of the table body, full width underneath it */
.tnotes{margin:10px 2px 0;padding:11px 14px;border-left:3px solid var(--brand);
  background:color-mix(in srgb,var(--brand) 7%,transparent);border-radius:0 var(--r) var(--r) 0}
.tnotes p{margin:0 0 7px;font-size:.83rem;color:var(--ink2);line-height:1.55}
.tnotes p:last-child{margin-bottom:0}
.tnotes h4{margin:14px 0 6px;font-size:.8rem;font-weight:800;letter-spacing:.05em;
  text-transform:uppercase;color:var(--brand-d)}
.tnotes h4:first-child{margin-top:0}

/* ---------- key/value + prose ---------- */
.kv{margin:0}
.section-h{margin:26px 0 10px;padding-top:8px;font-size:.82rem;font-weight:800;letter-spacing:.07em;
  text-transform:uppercase;color:var(--brand-d);border-top:1px solid var(--line)}
.section-h:first-child{border-top:0;margin-top:0}

/* ---------- collapsible section boxes (accordion) ---------- */
.acc-bar{display:flex;justify-content:flex-end;margin:0 0 10px}
.btn.sm{padding:5px 13px;font-size:.82rem}
.kv-lead{margin-bottom:12px}
details.sec{border:1px solid var(--line);border-radius:12px;margin:0 0 10px;background:var(--bg);overflow:hidden;
  box-shadow:0 1px 2px rgba(25,29,18,.03)}
details.sec>summary{list-style:none;cursor:pointer;user-select:none;display:flex;align-items:center;gap:11px;
  padding:14px 17px;font-size:1.02rem;font-weight:800;letter-spacing:.045em;text-transform:uppercase;
  color:var(--brand-d);background:color-mix(in srgb,var(--brand) 13%,transparent);transition:background .12s}
details.sec>summary::-webkit-details-marker{display:none}
details.sec>summary::before{content:"▸";font-size:.82em;color:var(--brand-d);transition:transform .15s;flex:none}
details.sec[open]>summary::before{transform:rotate(90deg)}
details.sec>summary:hover{background:color-mix(in srgb,var(--brand) 20%,transparent)}
details.sec[open]>summary{border-bottom:1px solid var(--line)}
/* page title with a source logo beside it */
.titlerow{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.titlerow .titlelogo{height:44px;width:auto;max-width:120px;object-fit:contain;flex:none;
  background:#fff;border:1px solid var(--line);border-radius:9px;padding:4px 7px}
/* ---------- Reducing-exposure tab figures ---------- */
.rxfig{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;margin:0 0 14px;overflow-x:auto}
svg.rxsvg{display:block;width:100%;height:auto;min-width:560px;font-family:var(--sans)}
.rxfig .chart-note{margin:10px 2px 0}
/* the two decay curves, drawn on */
.rx-intake{stroke:#2a9d4a;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:100;stroke-dashoffset:100;animation:rxDraw 1.3s ease-out .1s forwards}
.rx-burden{stroke:#c0392b;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:100;stroke-dashoffset:100;animation:rxDraw 2.4s ease-out .1s forwards}
@keyframes rxDraw{to{stroke-dashoffset:0}}
/* hoverable route rows */
.rxroute{cursor:pointer}
.rxroute:hover circle{r:9}
.rxroute.on text{font-weight:800}
/* when a route is focused, fade the others' ribbons (handled by rx-focus-N class) */
svg.rx-focus .rx-rib,svg.rx-focus .rx-rib-flow{stroke-opacity:.12}
svg.rx-focus-0 .rx-rib-0,svg.rx-focus-1 .rx-rib-1,svg.rx-focus-2 .rx-rib-2,svg.rx-focus-3 .rx-rib-3{stroke-opacity:.9}
svg.rx-focus-0 .rx-ribf-0,svg.rx-focus-1 .rx-ribf-1,svg.rx-focus-2 .rx-ribf-2,svg.rx-focus-3 .rx-ribf-3{stroke-opacity:.9}
/* route ribbons with travelling flow */
.rx-rib{fill:none;stroke-width:3.4;stroke-opacity:.6;stroke-linecap:round}
.rx-rib-flow{fill:none;stroke-width:2.2;stroke-opacity:.7;stroke-linecap:round;
  stroke-dasharray:3 24;animation:ribFlowRx 3.2s linear infinite;pointer-events:none}
@keyframes ribFlowRx{from{stroke-dashoffset:0}to{stroke-dashoffset:-270}}
@media(prefers-reduced-motion:reduce){.rx-intake,.rx-burden{animation:none;stroke-dashoffset:0}.rx-rib-flow{animation:none;stroke-opacity:0}}
/* filter matrix */
.rxmatrix{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:4px 0 8px}
.rxm-head,.rxm-row{display:grid;grid-template-columns:1.5fr 1fr 1fr}
.rxm-head>div{padding:11px 12px;font-weight:800;font-size:.82rem;text-align:center;background:var(--surface2);color:var(--ink);line-height:1.3}
.rxm-head>div:first-child{background:transparent}
.rxm-head span{font-weight:600;font-size:.74rem;color:var(--muted)}
.rxm-row{border-top:1px solid var(--line)}
.rxm-lbl{padding:12px;font-weight:700;font-size:.86rem;display:flex;align-items:center}
.rxm-cell{padding:12px;font-size:.82rem;text-align:center;display:flex;align-items:center;justify-content:center;border-left:1px solid var(--line)}
.rxm-cell.ok{background:color-mix(in srgb,#2a9d4a 12%,transparent);color:#1c7a40;font-weight:700}
.rxm-cell.lim{background:color-mix(in srgb,#c0392b 11%,transparent);color:#a5341f;font-weight:700}
.rxm-head>div.chainhdr{cursor:pointer;transition:background .12s}
.rxm-head>div.chainhdr:hover{background:color-mix(in srgb,var(--brand) 20%,var(--surface2))}
.rxm-head>div.chainhdr:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.chain-cue{display:block;margin-top:4px;font-size:.64rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--brand-d)}
.rxm-head>div.chainhdr:hover .chain-cue{text-decoration:underline}
@media(max-width:640px){.rxm-head,.rxm-row{grid-template-columns:1.3fr 1fr 1fr}.rxm-lbl,.rxm-cell{font-size:.76rem;padding:9px}}
/* per-compound route matrix, one column per route */
table.rxtable{table-layout:fixed;font-size:.74rem}
table.rxtable th,table.rxtable td{padding:6px 7px;vertical-align:top;overflow-wrap:break-word;line-height:1.34}
table.rxtable thead th{white-space:normal;word-break:normal;overflow-wrap:normal;font-size:.7rem}
/* family band: larger, medium-dark green theme */
table.rxtable tr.rxfam td{background:#2f4d38;color:#fff;font-weight:800;font-size:1.02rem;
  text-transform:uppercase;letter-spacing:.05em;padding:13px 14px;border-bottom:0}
table.rxtable tr.rxfam .d{display:inline-block;width:15px;height:15px;border-radius:4px;margin-right:11px;vertical-align:-2px;
  box-shadow:0 0 0 2px rgba(255,255,255,.25)}
table.rxtable tr.rxfam{cursor:pointer}
table.rxtable tr.rxfam:hover td{background:#3a5c45}
table.rxtable tr.rxfam .rxfam-n{margin-left:12px;font-size:.76rem;font-weight:600;letter-spacing:.02em;
  text-transform:none;color:rgba(255,255,255,.6)}
table.rxtable tr.rxfam .rxfam-hint{float:right;font-size:.7rem;font-weight:600;letter-spacing:.03em;
  text-transform:none;color:rgba(255,255,255,.45)}
table.rxtable tr.rxfam.open .rxfam-hint{display:none}
table.rxtable tr.rxfam .rxcaret{display:inline-block;margin-right:9px;font-size:.8em;transition:transform .15s;color:rgba(255,255,255,.75)}
table.rxtable tr.rxfam.open .rxcaret{transform:rotate(90deg)}
/* per-compound extra detail line and read-more links */
table.rxtable .rxmeta{display:block;margin-top:4px;font-size:.68rem;color:var(--muted);line-height:1.35}
table.rxtable .rxmore .rxml{display:block;margin:0 0 3px;font-size:.72rem;font-weight:650}
table.rxtable .rxmore .rxml-grp{margin:0 0 8px}
table.rxtable .rxmore .rxml-grp:last-child{margin-bottom:0}
table.rxtable .rxmore .rxml-lbl{display:block;font-size:.62rem;font-weight:800;text-transform:uppercase;
  letter-spacing:.04em;color:var(--muted);margin:0 0 3px}
/* repeated column-header row inside each group */
table.rxtable tr.rxhead td{background:var(--surface2);font-weight:800;font-size:.68rem;text-transform:uppercase;
  letter-spacing:.03em;color:var(--ink);padding:7px 7px;white-space:normal;word-break:normal;overflow-wrap:normal;
  border-bottom:1px solid var(--line)}
table.rxtable .rxuse{font-size:.74rem;color:var(--ink2)}
table.rxtable td.rxc.on{color:var(--ink2)}
table.rxtable td.rxc.off{text-align:center;color:var(--line2)}
.rxyes{color:#1c7a40;font-weight:700}
.rxchip{display:inline-block;font-size:.7rem;font-weight:700;padding:2px 7px;margin:2px 3px 2px 0;border-radius:20px;
  color:var(--rc);background:color-mix(in srgb,var(--rc) 13%,transparent);border:1px solid color-mix(in srgb,var(--rc) 34%,transparent);white-space:nowrap}
.rxlegend{display:flex;flex-wrap:wrap;gap:8px 16px;margin:10px 2px 4px}
.rxlegend .rxk{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;color:var(--ink2)}
.rxlegend .rxk .d{width:11px;height:11px;border-radius:3px;flex:none}
/* sub-heading inside a section panel */
h3.sub{margin:22px 0 8px;font-size:1.02rem;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
h3.sub:first-child{margin-top:4px}
/* prose lists inside section panels */
.tlist{margin:8px 0 12px;padding-left:20px}
ol.tlist li{margin:0 0 9px}
.tlist li{margin:0 0 7px;line-height:1.6}
/* static transformation diagrams (tab 6): light card, scales with the page */
.dgm-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;
  margin:0 0 14px;overflow-x:auto}
svg.dgm{display:block;width:100%;height:auto;min-width:720px;font-family:var(--sans)}
/* clickable compound tokens inside the two diagrams */
svg.dgm tspan.dgc{cursor:pointer;text-decoration:underline;text-decoration-style:dotted;
  text-decoration-thickness:1px;text-underline-offset:2.5px;transition:fill .12s}
svg.dgm tspan.dgc:hover{fill:var(--brand-d);text-decoration-style:solid;text-decoration-thickness:2px}
/* diagram entrance: fade and rise the whole figure when its panel opens */
.dgm-wrap.dgm-in svg.dgm{animation:dgmRise .5s cubic-bezier(.2,.7,.3,1) both}
@keyframes dgmRise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.dgm-wrap.dgm-in svg.dgm{animation:none}}
/* top-level section panels: heading-sized summary, one per section on every tab */
details.sec.sec-top{margin:0 0 16px}
details.sec.sec-top>summary{font-size:1.22rem;text-transform:none;letter-spacing:-.01em;
  color:var(--ink);background:var(--surface2);padding:14px 17px;font-weight:800}
details.sec.sec-top>summary:hover{background:color-mix(in srgb,var(--brand) 14%,transparent)}
details.sec.sec-top>.sec-b{padding:14px 17px 16px}
/* Index groupings: collapsible, but keep the larger dark heading with its number badge */
details.sec.idx-block{margin:0 0 14px}
details.sec.idx-block>summary{font-size:1.18rem;text-transform:none;letter-spacing:-.01em;
  color:var(--ink);background:var(--surface2);padding:13px 16px;margin:0}
details.sec.idx-block>summary:hover{background:color-mix(in srgb,var(--brand) 14%,transparent)}
.sec-b{padding:6px 17px 12px}
.sec-b .field:last-child{border-bottom:0}

/* ---------- expandable family cards (About) ---------- */
details.fam{padding:0}
details.fam>summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:10px;padding:15px 16px}
details.fam>summary::-webkit-details-marker{display:none}
details.fam>summary .fam-dot{margin-top:5px}          /* align dot to the first text line */
details.fam .fam-name{display:flex;flex-direction:column;gap:2px;min-width:0}
details.fam>summary::after{content:"▸";margin-left:auto;color:var(--brand-d);font-weight:700;
  transition:transform .15s;flex:none;padding-left:8px}
details.fam[open]>summary::after{transform:rotate(90deg)}
details.fam>summary:hover{background:color-mix(in srgb,var(--brand) 6%,transparent)}
details.fam[open]>summary{border-bottom:1px solid var(--line)}
details.fam .fam-body{padding:11px 16px 14px 36px;font-size:.9rem;line-height:1.9}
details.fam .fam-body a{display:inline-block;margin-right:4px}
details.fam .fam-body .sep{color:var(--line2);margin:0 5px}
.field{display:grid;grid-template-columns:210px 1fr;gap:12px;padding:8px 0;border-bottom:1px solid var(--line)}
.field:last-child{border-bottom:0}
.field .k{font-weight:700;color:var(--ink2);font-size:.9rem}
.field .v{color:var(--ink)}
.field .v a{word-break:break-word}
.refline{padding:4px 0 4px 14px;border-left:2px solid var(--line2);margin:2px 0 2px 4px;font-size:.9rem;color:var(--ink2)}
@media(max-width:680px){.field{grid-template-columns:1fr;gap:2px}}
.prose p{max-width:74ch}
.callout{background:color-mix(in srgb,var(--brand) 9%,transparent);border:1px solid color-mix(in srgb,var(--brand) 35%,transparent);
  border-radius:12px;padding:13px 15px;margin:14px 0}
.callout.warn{background:color-mix(in srgb,var(--warn) 12%,transparent);border-color:color-mix(in srgb,var(--warn) 40%,transparent)}

/* ---------- compound layout ---------- */
.cmp-wrap{display:grid;grid-template-columns:250px 1fr;gap:24px;align-items:start}
@media(max-width:900px){.cmp-wrap{grid-template-columns:1fr}}
.cmp-list{position:sticky;top:110px;max-height:calc(100vh - 130px);overflow:auto;border:1px solid var(--line);
  border-radius:12px;background:var(--surface);padding:6px}
@media(max-width:900px){.cmp-list{position:static;max-height:none}}
.cmp-list .cl-item{display:flex;align-items:center;gap:9px;padding:7px 9px;border-radius:8px;cursor:pointer;font-size:.86rem}
.cmp-list .cl-item:hover{background:var(--surface2)}
.cmp-list .cl-item.on{background:var(--brand);color:#1a1f10}
.cmp-list .cl-item.on .num,.cmp-list .cl-item.on small{color:#243007}
.cmp-list .cl-item .num{font-family:var(--mono);font-size:.75rem;color:var(--muted);min-width:20px}
.cmp-list .cl-item small{color:var(--muted);margin-left:auto}
.cmp-hero{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start;margin-bottom:6px}
.cmp-hero .struct{width:210px;height:210px;flex:none;background:#fff;border:1px solid var(--line);
  border-radius:12px;display:flex;align-items:center;justify-content:center;padding:10px}
@media(max-width:520px){.cmp-hero .struct{width:100%;height:230px}}
.cmp-hero .struct img{max-width:100%;max-height:100%}
.struct-fb{font-family:var(--mono);font-size:1rem;color:var(--ink2);text-align:center;padding:8px}
.cmp-hero .idcol{flex:1;min-width:240px}
.idchips{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}

/* expandable identity chips */
.xchip{cursor:pointer;user-select:none;transition:box-shadow .12s,border-color .12s,transform .06s}
.xchip:hover{border-color:var(--brand)}
.xchip:active{transform:translateY(1px)}
.xchip:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.xchip .xchip-cx{font-size:.72em;font-weight:800;opacity:.5;margin-left:1px;transition:transform .15s}
.xchip.xopen{box-shadow:0 0 0 2px var(--brand)}
.xchip.xopen .xchip-cx{transform:rotate(45deg);opacity:.9}
.chip-hint{font-size:.72rem;color:var(--muted);margin-top:7px}
.chip-exp{margin:12px 0 2px;padding:15px 16px 16px;background:var(--surface);border:1px solid var(--line2);
  border-radius:12px;position:relative;animation:chipExpIn .16s ease both}
@keyframes chipExpIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.xc-close{position:absolute;top:9px;right:11px;width:26px;height:26px;border:none;background:transparent;
  font-size:1.35rem;line-height:1;color:var(--muted);cursor:pointer;border-radius:7px}
.xc-close:hover{background:var(--surface2);color:var(--ink)}
.xc-title{font-weight:800;font-size:1rem;color:var(--ink);letter-spacing:-.01em;padding-right:28px}
.xc-desc{font-size:.9rem;line-height:1.5;color:var(--ink2);margin-top:5px;max-width:70ch}
.xc-h{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:13px 0 8px}
.xc-list{display:flex;flex-wrap:wrap;gap:6px}
.xc-mini{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-size:.8rem;font-weight:650;
  color:var(--ink2);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:5px 9px;
  transition:border-color .1s,background .1s,transform .06s}
.xc-mini:hover{border-color:var(--brand);background:var(--surface2)}
.xc-mini:active{transform:translateY(1px)}
.xc-mini.on{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand);font-weight:800;color:var(--ink)}
.xc-dot{width:9px;height:9px;border-radius:50%;flex:none}
.brw-top{margin-bottom:16px}
.brw-n{font-size:.72em;font-weight:800;color:var(--muted);margin-right:5px}
/* dark-green theme for the top-level browse header */
details.sec.brw-top{border-color:#2f4d38}
details.sec.brw-top>summary{background:#2f4d38;color:#eef3e6}
details.sec.brw-top>summary::before{color:#c6e94b}
details.sec.brw-top>summary .muted{color:#b7cbac}
details.sec.brw-top>summary:hover{background:#37583f}
details.sec.brw-top[open]>summary{border-bottom-color:#26402e}
/* clear "click to open" cue on the browse header */
.brw-cue{margin-left:auto;flex:none;display:inline-flex;align-items:center;gap:7px;
  font-size:.7rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
  color:#12351f;background:var(--brand-l);border-radius:999px;padding:5px 12px;box-shadow:0 1px 2px rgba(0,0,0,.15)}
.brw-cue .cue-close{display:none}
.brw-cue .cue-car{font-size:.9em;transition:transform .18s}
details.sec.brw-top>summary:hover .brw-cue{filter:brightness(1.06)}
details.sec.brw-top[open]>summary .brw-cue .cue-open{display:none}
details.sec.brw-top[open]>summary .brw-cue .cue-close{display:inline}
details.sec.brw-top[open]>summary .brw-cue .cue-car{transform:rotate(180deg)}
.xc-formula{font-size:1.5rem;font-weight:700;color:var(--ink);margin:6px 0 4px;letter-spacing:.02em}
.xc-formula sub{font-size:.62em;font-weight:600}
.xc-note{font-size:.8rem;color:var(--muted)}
.xc-btn{display:inline-block;margin-top:12px;text-decoration:none;font-size:.82rem;font-weight:700;
  color:#1a1f10;background:var(--brand);border:1px solid var(--brand);border-radius:8px;padding:7px 13px;
  transition:filter .1s,transform .06s}
.xc-btn:hover{filter:brightness(1.06)}
.xc-btn:active{transform:translateY(1px)}
.mono sub{font-size:.62em}

/* ---------- tree ---------- */
.treewrap{overflow-x:auto}
.tree-col-h{font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.node{fill:var(--surface);stroke:var(--line2)}
.node-t{fill:var(--brand);stroke:var(--brand-d)}
.edge{stroke:var(--line2);fill:none;stroke-width:1.4}
svg.treesvg{display:block;width:100%;height:auto;min-width:760px;overflow:visible}
/* flow ribbons: family colour bleeding into the colour of the product it becomes */
.rib{fill:none;stroke-width:3.2;stroke-opacity:.55;stroke-linecap:round;
  transition:stroke-width .18s ease,stroke-opacity .18s ease}
.rib.dim{stroke-opacity:.12}
.rib.hot{stroke-width:6;stroke-opacity:1}
.rib.cold{stroke-opacity:.07}
/* a slow dash travelling along each ribbon, to read as conversion rather than a static link */
.rib-flow{fill:none;stroke-width:2.2;stroke-opacity:.5;stroke-linecap:round;
  stroke-dasharray:3 26;animation:ribFlow 3.4s linear infinite;pointer-events:none;
  transition:stroke-opacity .18s ease}
.rib-flow.dim,.rib-flow.cold{stroke-opacity:0}
.rib-flow.hot{stroke-opacity:.95;stroke-width:3}
@keyframes ribFlow{from{stroke-dashoffset:0}to{stroke-dashoffset:-290}}
.pnode{cursor:pointer}
.pnode .pnode-bg{fill:transparent;transition:fill .15s ease}
.pnode:hover .pnode-bg{fill:color-mix(in srgb,var(--brand) 16%,transparent)}
.pnode .pdot{transition:r .15s ease}
.pnode:hover .pdot{r:7}
.pnode.dim,.pnode.cold{opacity:.3}
.pnode,.tnode{transition:opacity .18s ease}
.tnode{cursor:default}
.tnode.cold{opacity:.32}
@media (prefers-reduced-motion:reduce){.rib-flow{animation:none;stroke-opacity:0}}

/* ---------- misc ---------- */
.jump{display:inline-flex;align-items:center;gap:5px;font-weight:650;font-size:.85rem}
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);font-weight:650;font-size:.9rem;cursor:pointer}
.btn.brand{background:var(--brand);border-color:var(--brand);color:#1a1f10}
.btn:hover{border-color:var(--brand);text-decoration:none}
.foot{border-top:1px solid var(--line);margin-top:40px;background:var(--surface)}
.foot .wrap{padding:26px 22px}
.fx{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.fx img{height:22px}

/* floating AI help widget */
.aiw{position:fixed;right:22px;bottom:22px;z-index:200;font-family:var(--sans)}
.aiw-launch{width:58px;height:58px;border-radius:50%;border:none;cursor:pointer;background:#2f4d38;color:#fff;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:2;
  box-shadow:0 6px 20px rgba(20,40,25,.35);transition:transform .15s,background .15s}
.aiw-launch:hover{background:#37583f;transform:translateY(-1px)}
.aiw-launch .ic-close{display:none;font-size:1.5rem;line-height:1}
.aiw.open .aiw-launch .ic-chat{display:none}
.aiw.open .aiw-launch .ic-close{display:inline}
.aiw-panel{position:absolute;right:0;bottom:74px;width:370px;max-width:calc(100vw - 32px);
  display:flex;flex-direction:column;max-height:min(600px,84vh);
  background:var(--surface);border:1px solid var(--line2);border-radius:18px;overflow:hidden;
  box-shadow:0 18px 50px rgba(20,30,15,.28),0 4px 12px rgba(20,30,15,.12);
  opacity:0;visibility:hidden;transform:translateY(14px) scale(.98);transform-origin:bottom right;
  pointer-events:none;transition:opacity .18s ease,transform .18s ease,visibility .18s}
.aiw.open .aiw-panel{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.aiw-head{background:#2f4d38;color:#fff;padding:20px 20px 24px;position:relative;flex:none}
.aiw-logo{height:21px}
.aiw-x{position:absolute;top:15px;right:13px;width:30px;height:30px;border:none;background:transparent;color:#fff;
  opacity:.85;font-size:1.02rem;cursor:pointer;border-radius:8px}
.aiw-x:hover{opacity:1;background:rgba(255,255,255,.14)}
.aiw-hi{font-size:1.65rem;font-weight:800;letter-spacing:-.02em;margin-top:32px}
.aiw-hi span{font-weight:400}
.aiw-sub{font-size:1rem;line-height:1.4;margin-top:8px;color:#dfeada}
.aiw-home{padding:0 14px 14px;flex:none}
.aiw-home[hidden]{display:none}
.aiw-card{background:var(--bg);border:1px solid var(--line);border-radius:14px;margin-top:-12px;
  box-shadow:0 3px 12px rgba(20,30,15,.08);overflow:hidden;position:relative}
.aiw-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px 16px;
  text-decoration:none;color:var(--ink);font-weight:700;font-size:.97rem;border-bottom:1px solid var(--line);transition:background .1s}
.aiw-item:last-child{border-bottom:none}
.aiw-item:hover{background:var(--surface2)}
.aiw-item span{color:var(--brand-d);font-size:1.25rem;font-weight:800;line-height:1}
.aiw-startchat{width:100%;text-align:left;cursor:pointer;font-family:inherit;
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;padding:14px 16px;
  background:var(--bg);border:1px solid var(--line);border-radius:14px;
  box-shadow:0 3px 12px rgba(20,30,15,.08);transition:border-color .12s}
.aiw-startchat:hover{border-color:var(--brand)}
.aiw-chat-txt{display:flex;flex-direction:column;gap:2px}
.aiw-chat-t{font-weight:800;font-size:1rem;color:var(--ink)}
.aiw-chat-s{font-size:.82rem;color:var(--muted)}
.aiw-send{color:var(--brand-d);font-size:1.15rem;font-weight:800;flex:none}
.aiw-note{font-size:.72rem;color:var(--muted);margin:11px 4px 0;line-height:1.35}
/* chat view */
.aiw-chatview{display:flex;flex-direction:column;min-height:0;flex:1}
.aiw-chatview[hidden]{display:none}
.aiw-thread{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:9px;min-height:220px;background:var(--surface)}
.aiw-msg{max-width:86%;padding:9px 12px;border-radius:14px;font-size:.9rem;line-height:1.45}
.aiw-msg.aiw-you{align-self:flex-end;background:var(--brand-d);color:#fff;border-bottom-right-radius:4px}
.aiw-msg.aiw-bot{align-self:flex-start;background:var(--bg);border:1px solid var(--line);color:var(--ink);border-bottom-left-radius:4px}
.aiw-msg.aiw-bot b{color:var(--ink)}
.aiw-msg-link{font-weight:800;color:var(--brand-d);text-decoration:none;font-size:.85rem}
.aiw-msg-link:hover{text-decoration:underline}
.aiw-typing{display:flex;gap:4px;align-items:center;padding:12px 13px}
.aiw-typing span{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:aiwblink 1s infinite}
.aiw-typing span:nth-child(2){animation-delay:.15s}
.aiw-typing span:nth-child(3){animation-delay:.3s}
@keyframes aiwblink{0%,70%,100%{opacity:.25}35%{opacity:1}}
@media(prefers-reduced-motion:reduce){.aiw-typing span{animation:none}}
.aiw-inputbar{flex:none;display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);background:var(--bg)}
.aiw-inputbar input{flex:1;min-width:0;border:1px solid var(--line2);border-radius:999px;padding:9px 14px;
  font-size:.9rem;background:var(--surface);color:var(--ink);font-family:var(--sans)}
.aiw-inputbar input:focus{outline:none;border-color:var(--brand)}
.aiw-inputbar button{flex:none;width:38px;height:38px;border:none;border-radius:50%;background:var(--brand-d);color:#fff;cursor:pointer;font-size:.95rem}
.aiw-tabs{flex:none;display:flex;border-top:1px solid var(--line);background:var(--bg)}
.aiw-tab{flex:1;border:none;background:transparent;padding:12px;font-weight:800;font-size:.86rem;color:var(--muted);cursor:pointer;font-family:inherit}
.aiw-tab.on{color:var(--brand-d);box-shadow:inset 0 2px 0 var(--brand-d)}
@media(max-width:520px){.aiw{right:14px;bottom:14px}.aiw-panel{bottom:70px}}
@media(prefers-reduced-motion:reduce){.aiw-panel{transition:opacity .01s}}
.foot .disc{font-size:.8rem;color:var(--muted);max-width:90ch}
.foot .morelinks{display:flex;flex-wrap:wrap;gap:14px;margin:14px 0;font-size:.85rem}
.loading{padding:80px 22px;text-align:center;color:var(--muted)}
.searchpop{position:absolute;top:52px;right:22px;width:340px;max-width:90vw;background:var(--bg);border:1px solid var(--line2);
  border-radius:12px;box-shadow:var(--shadow);z-index:60;max-height:60vh;overflow:auto;padding:6px}
.searchpop .sr{display:flex;gap:9px;align-items:center;padding:8px 10px;border-radius:8px;cursor:pointer;font-size:.88rem}
.searchpop .sr:hover{background:var(--surface)}
.searchpop .sr small{color:var(--muted);margin-left:auto}
.anchor-off{scroll-margin-top:120px}