@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:300;font-display:swap;src:url('/assets/fonts/vazirmatn-arabic-300-normal.woff2') format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200E,U+2010-2011;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:300;font-display:swap;src:url('/assets/fonts/vazirmatn-latin-300-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2C60-2C7F;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/vazirmatn-arabic-400-normal.woff2') format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200E,U+2010-2011;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/vazirmatn-latin-400-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2C60-2C7F;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/vazirmatn-arabic-500-normal.woff2') format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200E,U+2010-2011;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/vazirmatn-latin-500-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2C60-2C7F;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/vazirmatn-arabic-600-normal.woff2') format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200E,U+2010-2011;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/vazirmatn-latin-600-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2C60-2C7F;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/vazirmatn-arabic-700-normal.woff2') format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200E,U+2010-2011;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/vazirmatn-latin-700-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2C60-2C7F;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:800;font-display:swap;src:url('/assets/fonts/vazirmatn-arabic-800-normal.woff2') format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200E,U+2010-2011;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:800;font-display:swap;src:url('/assets/fonts/vazirmatn-latin-800-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2C60-2C7F;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:900;font-display:swap;src:url('/assets/fonts/vazirmatn-arabic-900-normal.woff2') format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200E,U+2010-2011;}@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:900;font-display:swap;src:url('/assets/fonts/vazirmatn-latin-900-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2C60-2C7F;}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
:root{
  --parchment:#F5F1E8; --surface:#FFFFFF; --surface-2:#FAF6EE; --raise:#FFFFFF;
  --ink:#1B2028; --ink-soft:#39414C; --muted:#787168; --faint:#A79E8C;
  --line:#E8DFCD; --line-2:#D9CEB4;
  --accent:#B23A48; --accent-ink:#8E2C38;
  --m-prefix:#3A56A6; --m-root:#B23A48; --m-suffix:#A9741B; --m-combine:#9A958C;
  --radius:14px; --radius-lg:20px; --radius-sm:9px;
  --content:1140px; --measure:70ch;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua","Noto Serif",Georgia,Cambria,"Times New Roman",serif;
  --sans:"Vazirmatn",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,system-ui,sans-serif;
  --shadow-sm:0 1px 2px rgba(28,32,40,.05),0 1px 1px rgba(28,32,40,.04);
  --shadow:0 2px 4px rgba(28,32,40,.05),0 16px 34px -22px rgba(28,32,40,.28);
  --shadow-lg:0 24px 60px -28px rgba(28,32,40,.4);
  --head-h:60px;
}
:root[data-theme="dark"]{
  --parchment:#12151B; --surface:#1B1F27; --surface-2:#20242E; --raise:#232833;
  --ink:#ECE6D8; --ink-soft:#CBC5B8; --muted:#9A948A; --faint:#6E6A61;
  --line:#2B303B; --line-2:#3A414E;
  --accent:#E4707C; --accent-ink:#EE909A;
  --m-prefix:#8098E2; --m-root:#E4707C; --m-suffix:#D6A544; --m-combine:#8C8981;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);
  --shadow:0 2px 4px rgba(0,0,0,.3),0 18px 40px -24px rgba(0,0,0,.7);
  --shadow-lg:0 30px 70px -30px rgba(0,0,0,.8);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --parchment:#12151B; --surface:#1B1F27; --surface-2:#20242E; --raise:#232833;
    --ink:#ECE6D8; --ink-soft:#CBC5B8; --muted:#9A948A; --faint:#6E6A61;
    --line:#2B303B; --line-2:#3A414E; --accent:#E4707C; --accent-ink:#EE909A;
    --m-prefix:#8098E2; --m-root:#E4707C; --m-suffix:#D6A544; --m-combine:#8C8981;
    --shadow-sm:0 1px 2px rgba(0,0,0,.3);
    --shadow:0 2px 4px rgba(0,0,0,.3),0 18px 40px -24px rgba(0,0,0,.7);
    --shadow-lg:0 30px 70px -30px rgba(0,0,0,.8);
  }
}
body{margin:0;font-family:var(--sans);background:var(--parchment);color:var(--ink);
  font-size:16.5px;line-height:1.75;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden}
h1,h2,h3{line-height:1.4;font-weight:800;color:var(--ink);margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.ic{width:22px;height:22px;flex:0 0 auto;vertical-align:middle}
.ic-sm{width:16px;height:16px;flex:0 0 auto;vertical-align:-2px}
.en{font-family:var(--serif);unicode-bidi:isolate;direction:ltr}
.skip{position:fixed;inset-inline-start:-999px;top:8px;z-index:200;background:var(--accent);color:#fff;
  padding:.5rem .9rem;border-radius:8px}
.skip:focus{inset-inline-start:12px}
.wrap{max-width:var(--content);margin-inline:auto;padding-inline:clamp(16px,4vw,30px)}
.eyebrow{display:inline-flex;align-items:center;gap:.4rem;font-size:.82rem;font-weight:700;
  color:var(--accent);letter-spacing:.01em;margin-bottom:.6rem}
.count-pill{font-size:.78rem;font-weight:700;color:var(--muted);background:var(--surface-2);
  border:1px solid var(--line);border-radius:999px;padding:.15rem .7rem;white-space:nowrap}
.empty{color:var(--muted);padding:1.4rem 0}

/* ---------- morpheme colour binding ---------- */
.seg--prefix,.mc--prefix,.rchip--prefix,.as--prefix,.lg--prefix,.hiw--prefix,.rootset--prefix{--c:var(--m-prefix)}
.seg--root,.mc--root,.rchip--root,.as--root,.lg--root,.hiw--root,.rootset--root{--c:var(--m-root)}
.seg--suffix,.mc--suffix,.rchip--suffix,.as--suffix,.lg--suffix,.hiw--suffix,.rootset--suffix{--c:var(--m-suffix)}
.lg--combine,.as--combining{--c:var(--m-combine)}
.root-head--prefix{--c:var(--m-prefix)} .root-head--root{--c:var(--m-root)} .root-head--suffix{--c:var(--m-suffix)}

/* ---------- header / masthead ---------- */
.mast{position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.mast-in{max-width:var(--content);margin-inline:auto;display:flex;align-items:center;gap:.7rem;
  padding:.55rem clamp(14px,4vw,26px);min-height:var(--head-h)}
.brand{display:flex;align-items:center;gap:.6rem;flex:0 0 auto}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-tx{display:flex;flex-direction:column;line-height:1.15}
.brand-fa{font-weight:900;font-size:1.28rem;letter-spacing:-.01em}
.brand-tag{font-size:.68rem;color:var(--muted);font-weight:600}
.hsearch{position:relative;flex:1 1 auto;display:flex;align-items:center;gap:.35rem;
  background:var(--surface-2);border:1.5px solid var(--line);border-radius:999px;
  padding:.35rem .7rem;min-width:0;max-width:520px;margin-inline:auto;transition:border-color .15s,box-shadow .15s}
.hsearch:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent)}
.hsearch-ic{color:var(--muted);display:inline-flex}
.hsearch input{flex:1 1 auto;min-width:0;border:0;background:transparent;color:var(--ink);
  font-family:var(--sans);font-size:.92rem;outline:none}
.hsearch input::placeholder{color:var(--faint)}
.hsearch-clr{border:0;background:transparent;color:var(--muted);cursor:pointer;display:inline-flex;padding:2px}
.mast-tools{display:flex;align-items:center;gap:.3rem;flex:0 0 auto}
.mega-btn{display:none;align-items:center;gap:.35rem;border:1.5px solid var(--line);background:var(--surface);
  color:var(--ink);font-family:var(--sans);font-weight:700;font-size:.86rem;border-radius:999px;
  padding:.4rem .85rem;cursor:pointer}
.mega-btn:hover{border-color:var(--accent);color:var(--accent)}
.icon-btn{width:38px;height:38px;display:inline-grid;place-items:center;border:1.5px solid var(--line);
  background:var(--surface);color:var(--ink-soft);border-radius:11px;cursor:pointer}
.icon-btn:hover{border-color:var(--line-2);color:var(--accent)}
.theme-btn .ic:last-child{display:none}
:root[data-theme="dark"] .theme-btn .ic:first-child{display:none}
:root[data-theme="dark"] .theme-btn .ic:last-child{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-btn .ic:first-child{display:none}
  :root:not([data-theme="light"]) .theme-btn .ic:last-child{display:block}}
.mast-nav{border-top:1px solid var(--line);background:var(--surface);display:none}
.mast-nav-in{max-width:var(--content);margin-inline:auto;display:flex;gap:.3rem;
  padding:.2rem clamp(14px,4vw,26px);overflow-x:auto;scrollbar-width:none}
.mast-nav-in::-webkit-scrollbar{display:none}
.nav-lnk{flex:0 0 auto;font-weight:700;font-size:.9rem;color:var(--ink-soft);padding:.55rem .8rem;
  border-bottom:2.5px solid transparent}
.nav-lnk:hover{color:var(--accent)}
.nav-lnk.is-active{color:var(--accent);border-color:var(--accent)}
@media (min-width:900px){.mast-nav{display:block}.burger{display:none}.mega-btn{display:inline-flex}}

/* mega / drawer */
.scrim{position:fixed;inset:0;z-index:70;background:rgba(20,24,30,.5);backdrop-filter:blur(1px)}
.mega{position:fixed;z-index:78;inset-block:0;inset-inline-end:0;width:min(90vw,370px);background:var(--surface);
  border-inline-start:1px solid var(--line);box-shadow:var(--shadow-lg);overflow-y:auto;padding:1.1rem 1rem 2rem}
body.menu-open{overflow:hidden}
.mega-h{font-size:.78rem;font-weight:800;color:var(--muted);letter-spacing:.02em;margin:.2rem 0 .7rem}
.mega-grid{display:grid;grid-template-columns:1fr;gap:.5rem}
.mega-tile{display:flex;align-items:center;gap:.7rem;padding:.6rem .7rem;border:1px solid var(--line);
  border-radius:12px;background:var(--surface-2)}
.mega-tile:hover{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 5%,var(--surface))}
.mega-ico{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  background:color-mix(in srgb,var(--accent) 12%,var(--surface));color:var(--accent);flex:0 0 auto}
.mega-tt{display:flex;flex-direction:column;line-height:1.35}
.mega-n{font-weight:800;font-size:.94rem}.mega-c{font-size:.74rem;color:var(--muted)}
.mega-aside{margin-top:1.2rem;padding-top:1.1rem;border-top:1px dashed var(--line)}
.mega-roots{display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:.8rem}
.mega-cta{display:inline-flex;align-items:center;gap:.3rem;font-weight:800;color:var(--accent);font-size:.9rem}
.mega-navm{display:flex;flex-direction:column;gap:.1rem;margin-top:1rem;padding-top:.9rem;border-top:1px dashed var(--line)}
.mega-navm .nav-lnk{border:0;padding:.5rem .2rem}
@media (min-width:900px){
  .scrim{background:rgba(20,24,30,.35)}
  .mega{position:absolute;inset-block:auto;inset-inline:0;top:100%;width:auto;max-width:var(--content);
    margin-inline:auto;border:1px solid var(--line);border-top:0;border-radius:0 0 var(--radius-lg) var(--radius-lg);
    max-height:min(80vh,560px);padding:1.5rem clamp(20px,4vw,34px) 2rem}
  .mega-in{display:grid;grid-template-columns:1fr 300px;gap:2.2rem}
  .mega-grid{grid-template-columns:1fr 1fr}
  .mega-aside{margin-top:0;padding-top:0;border-top:0;border-inline-start:1px dashed var(--line);padding-inline-start:2.2rem}
  .mega-navm{display:none}
}
@media (min-width:1120px){.mega-grid{grid-template-columns:1fr 1fr 1fr}}

/* header live suggestions */
.hsuggest{position:absolute;z-index:90;inset-inline:0;top:calc(100% + 10px);background:var(--surface);
  border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);
  max-height:min(70vh,440px);overflow-y:auto;padding:.35rem}
.sug{display:flex;align-items:center;gap:.6rem;padding:.55rem .6rem;border-radius:10px}
.sug:hover,.sug:focus{background:var(--surface-2);outline:none}
.sug-badge{width:30px;height:30px;flex:0 0 auto;border-radius:8px;display:grid;place-items:center;
  font-family:var(--serif);font-weight:700;font-size:.8rem}
.sug--term .sug-badge{background:color-mix(in srgb,var(--m-root) 14%,var(--surface));color:var(--m-root)}
.sug--root .sug-badge{background:color-mix(in srgb,var(--m-prefix) 14%,var(--surface));color:var(--m-prefix)}
.sug-tx{display:flex;flex-direction:column;min-width:0}
.sug-t{font-weight:700;overflow-wrap:anywhere}
.sug-s{font-size:.76rem;color:var(--muted);overflow-wrap:anywhere}
.sug-all{display:block;text-align:center;font-weight:800;color:var(--accent);padding:.6rem;border-top:1px solid var(--line);margin-top:.2rem}
.sug-empty{padding:1rem;color:var(--muted);text-align:center;font-size:.9rem}

/* ---------- generic section ---------- */
.band{padding:clamp(2.2rem,6vw,3.6rem) 0;border-top:1px solid var(--line)}
.band--roots{background:var(--surface-2)}
.sec-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.3rem;flex-wrap:wrap}
.sec-head h2{display:inline-flex;align-items:center;gap:.5rem;font-size:clamp(1.15rem,3.4vw,1.5rem)}
.sec-head h2 .ic-sm{color:var(--accent)}
.sec-more{display:inline-flex;align-items:center;gap:.25rem;font-weight:800;color:var(--accent);font-size:.9rem;white-space:nowrap}
.sec-lead{color:var(--muted);max-width:var(--measure);margin-bottom:1.3rem;margin-top:-.6rem}

/* ---------- legend ---------- */
.legend{display:flex;flex-wrap:wrap;gap:.4rem .9rem;align-items:center}
.legend--compact{gap:.3rem .7rem}
.lg-item{display:inline-flex;align-items:center;gap:.35rem;font-size:.8rem;font-weight:700;color:var(--ink-soft)}
.lg-swatch{width:12px;height:12px;border-radius:4px;background:var(--c);flex:0 0 auto}
.legend--compact .lg-item{font-size:.74rem}

/* ---------- THE deconstruction diagram ---------- */
.decon{margin:0}
/* Latin/Greek morphemes read left-to-right even inside the RTL page */
.decon-word{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:center;gap:.55rem .3rem;direction:ltr}
.seg{position:relative;display:flex;flex-direction:column;align-items:center;gap:.4rem;
  padding-top:1.25rem;text-decoration:none}
a.seg{cursor:pointer}
.seg-tab{position:absolute;top:0;font-size:.6rem;font-weight:800;letter-spacing:.01em;
  padding:.08rem .45rem;border-radius:999px;color:#fff;background:var(--c);white-space:nowrap}
.seg-text{font-family:var(--serif);font-weight:600;color:var(--ink);line-height:1;
  font-size:1.25rem;padding:.28rem .5rem .34rem;border-radius:9px;
  border-bottom:3px solid var(--c);background:color-mix(in srgb,var(--c) 7%,var(--surface));
  transition:background .15s,transform .15s}
a.seg:hover .seg-text{background:color-mix(in srgb,var(--c) 15%,var(--surface));transform:translateY(-2px)}
.seg-lead{width:1.6px;height:12px;background:var(--c);opacity:.45;border-radius:2px}
.seg-gloss{font-size:.78rem;font-weight:700;color:color-mix(in srgb,var(--c) 62%,var(--ink));
  background:color-mix(in srgb,var(--c) 11%,var(--surface));padding:.16rem .55rem;border-radius:999px;white-space:nowrap}
.seg--combine{align-self:center;padding-top:0;flex-direction:row}
.seg--combine .seg-text{font-style:italic;color:var(--m-combine);background:transparent;border:0;
  font-size:1.05rem;padding:0 .05rem}
.decon--big .seg-text{font-size:2rem;padding:.36rem .66rem .44rem}
.decon--big .seg-tab{font-size:.64rem;padding:.12rem .55rem}
.decon--big .seg-gloss{font-size:.85rem}
.decon--big .seg-lead{height:16px}
.decon--big .seg--combine .seg-text{font-size:1.5rem}
.decon-literal{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;justify-content:center;
  margin-top:1.4rem;padding-top:1.1rem;border-top:1px dashed var(--line);font-size:1.02rem}
.decon-literal-k{font-size:.76rem;font-weight:700;color:var(--muted)}
.decon-arrow{color:var(--accent);display:inline-flex;transform:scaleX(-1)}
.decon-literal b{color:var(--ink);font-weight:800;font-size:1.1rem}

/* ---------- hero ---------- */
.hero{background:
  radial-gradient(120% 100% at 100% 0,color-mix(in srgb,var(--m-prefix) 6%,transparent),transparent 60%),
  radial-gradient(120% 100% at 0 0,color-mix(in srgb,var(--accent) 7%,transparent),transparent 55%),
  var(--surface);
  border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:34px 34px;-webkit-mask-image:radial-gradient(120% 90% at 70% 0,#000,transparent 70%);
          mask-image:radial-gradient(120% 90% at 70% 0,#000,transparent 70%)}
.hero-in{position:relative;max-width:var(--content);margin-inline:auto;
  padding:clamp(2.4rem,6vw,4.4rem) clamp(16px,4vw,30px);
  display:grid;gap:clamp(2rem,5vw,3.4rem);grid-template-columns:1fr}
.hero-h{font-size:clamp(2rem,7vw,3.4rem);font-weight:900;letter-spacing:-.02em;line-height:1.18}
.hero-hl{color:var(--accent);position:relative;white-space:nowrap}
.hero-hl::after{content:"";position:absolute;inset-inline:0;bottom:.05em;height:.24em;z-index:-1;
  background:color-mix(in srgb,var(--m-suffix) 34%,transparent);border-radius:3px}
.hero-sub{color:var(--ink-soft);font-size:1.06rem;margin-top:1.1rem;max-width:46ch}
.hero-search{display:flex;align-items:center;gap:.4rem;margin-top:1.5rem;background:var(--surface);
  border:2px solid var(--line-2);border-radius:14px;padding:.45rem .5rem .45rem .9rem;box-shadow:var(--shadow-sm);max-width:460px}
.hero-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent)}
.hero-search svg{color:var(--muted)}
.hero-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;color:var(--ink);
  font-family:var(--sans);font-size:1rem;outline:none;padding:.3rem 0}
.hero-search button{flex:0 0 auto;border:0;background:var(--accent);color:#fff;font-family:var(--sans);
  font-weight:800;padding:.55rem 1.1rem;border-radius:10px;cursor:pointer}
.hero-search button:hover{background:var(--accent-ink)}
.hero-quick{margin-top:1rem;font-size:.86rem;color:var(--muted)}
.hero-quick a{font-weight:700;color:var(--ink-soft);border-bottom:1px dotted var(--line-2)}
.hero-quick a:hover{color:var(--accent)}
.hero-spec{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(1.3rem,4vw,2rem);box-shadow:var(--shadow);position:relative}
.hero-spec::before{content:"";position:absolute;inset-block:14px;inset-inline-start:0;width:4px;border-radius:4px;
  background:linear-gradient(var(--m-prefix),var(--m-root) 55%,var(--m-suffix))}
.spec-tag{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.4rem}
.spec-tag span{font-size:.72rem;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.spec-tag a{font-family:var(--serif);font-weight:700;color:var(--accent);font-size:1.05rem}
.spec-def{color:var(--muted);font-size:.92rem;margin:1.3rem 0 1.2rem;text-align:center}
@media (min-width:920px){.hero-in{grid-template-columns:1.05fr .95fr;align-items:center}}

/* ---------- specialty cards ---------- */
.scard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.7rem}
.scard-grid--lg{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.9rem}
.scard{display:flex;flex-direction:column;gap:.15rem;padding:1rem;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);text-align:start;transition:border-color .15s,transform .15s,box-shadow .15s}
.scard:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.scard-ic{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;margin-bottom:.5rem;
  background:color-mix(in srgb,var(--accent) 11%,var(--surface));color:var(--accent)}
.scard-ic .ic{width:24px;height:24px}
.scard-n{font-weight:800;font-size:1.02rem}
.scard-en{font-size:.78rem;color:var(--muted);font-family:var(--serif)}
.scard-d{font-size:.85rem;color:var(--ink-soft);margin:.35rem 0}
.scard-c{font-size:.76rem;color:var(--accent);font-weight:700;margin-top:.2rem}
.scard--lg{padding:1.3rem}

/* ---------- root chips + cloud ---------- */
.root-cloud{display:flex;flex-wrap:wrap;gap:.5rem}
.root-cloud--lg{gap:.6rem}
.rchip{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .7rem;border-radius:999px;
  background:var(--surface);border:1.5px solid color-mix(in srgb,var(--c) 40%,var(--line));transition:transform .12s,box-shadow .12s}
.rchip:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:var(--c)}
.rchip-t{font-family:var(--serif);font-weight:700;color:var(--c);font-size:.98rem}
.rchip-g{font-size:.8rem;color:var(--ink-soft);font-weight:600}
.rchip-c{font-size:.7rem;font-weight:800;color:#fff;background:var(--c);border-radius:999px;
  min-width:18px;height:18px;display:inline-grid;place-items:center;padding:0 .3rem}
.root-cloud--lg .rchip{padding:.45rem .85rem}
.root-cloud--lg .rchip-t{font-size:1.08rem}

/* ---------- how-it-works ---------- */
.band--hiw{background:
  linear-gradient(180deg,var(--surface-2),var(--surface))}
.hiw{display:grid;grid-template-columns:1fr;gap:.8rem;align-items:stretch}
.hiw-step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.2rem}
.hiw-n{display:inline-block;font-weight:800;font-size:.82rem;color:#fff;background:var(--c);
  padding:.15rem .7rem;border-radius:999px;margin-bottom:.55rem}
.hiw-step p{color:var(--ink-soft);font-size:.95rem}
.hiw-step b{color:var(--ink);font-family:var(--serif);font-weight:700}
.hiw-plus{display:none;place-self:center;font-size:1.6rem;color:var(--faint);font-weight:300}
.guide-cta{display:inline-flex;align-items:center;gap:.5rem;margin-top:1.6rem;font-weight:800;color:var(--accent);
  border:1.5px dashed color-mix(in srgb,var(--accent) 45%,var(--line));border-radius:12px;padding:.7rem 1.1rem}
.guide-cta:hover{background:color-mix(in srgb,var(--accent) 6%,var(--surface))}
@media (min-width:820px){.hiw{grid-template-columns:1fr auto 1fr auto 1fr}.hiw-plus{display:grid}}

/* ---------- term cards grid ---------- */
.tcard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:.85rem}
.tcard{position:relative;display:flex;flex-direction:column;gap:.2rem;padding:1.1rem 1.15rem 1.15rem;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:border-color .15s,transform .15s,box-shadow .15s}
.tcard::before{content:"";position:absolute;inset-block-start:0;inset-inline:0;height:3px;
  background:linear-gradient(90deg,var(--m-prefix),var(--m-root) 55%,var(--m-suffix))}
.tcard:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--shadow)}
.tcard-cat{font-size:.72rem;font-weight:700;color:var(--muted);letter-spacing:.01em}
.tcard-fa{font-weight:800;font-size:1.16rem;color:var(--ink);margin-top:.1rem}
.tcard:hover .tcard-fa{color:var(--accent)}
.tcard-en{font-family:var(--serif);font-size:.86rem;color:var(--muted)}
.tcard-morph{display:flex;flex-wrap:wrap;gap:.25rem;margin:.6rem 0 .5rem;direction:ltr;justify-content:flex-end}
.mc-seg{font-size:.72rem;padding:.08rem .38rem;border-radius:6px;border:1px solid color-mix(in srgb,var(--c) 40%,var(--line));
  color:color-mix(in srgb,var(--c) 66%,var(--ink));background:color-mix(in srgb,var(--c) 9%,var(--surface))}
.mc-t{font-family:var(--serif);font-weight:600}
.tcard-def{font-size:.85rem;color:var(--muted);line-height:1.65}

/* ---------- term page ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.15rem;font-size:.82rem;color:var(--muted);margin-bottom:1rem}
.crumbs a{color:var(--muted);font-weight:600}.crumbs a:hover{color:var(--accent)}
.crumbs [aria-current]{color:var(--ink-soft);font-weight:700}
.bc-sep{display:inline-flex;color:var(--faint);transform:scaleX(-1)}
.bc-sep .ic-sm{width:13px;height:13px}
.term-wrap{display:grid;grid-template-columns:1fr;gap:1.6rem;padding-block:clamp(1.6rem,4vw,2.6rem)}
.term-article{min-width:0}
.term-head{margin-bottom:1.6rem}
.th-row{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.th-kind{display:inline-flex;align-items:center;gap:.4rem;font-size:.82rem;font-weight:700;color:var(--accent);margin-bottom:.4rem}
.th-fa{font-size:clamp(1.9rem,6vw,2.7rem);font-weight:900;letter-spacing:-.01em}
.th-en{font-family:var(--serif);font-size:1.15rem;color:var(--muted);margin-top:.3rem;display:flex;gap:.6rem;align-items:baseline;flex-wrap:wrap}
.th-en-b{color:var(--ink-soft);font-weight:600}
.th-abbr{font-family:var(--sans);font-size:.8rem;font-weight:700;color:var(--accent);
  background:color-mix(in srgb,var(--accent) 10%,var(--surface));padding:.1rem .5rem;border-radius:999px}
.copy-btn{display:inline-flex;align-items:center;gap:.35rem;border:1.5px solid var(--line);background:var(--surface);
  color:var(--ink-soft);font-family:var(--sans);font-weight:700;font-size:.82rem;border-radius:10px;padding:.4rem .75rem;cursor:pointer}
.copy-btn:hover{border-color:var(--accent);color:var(--accent)}
.copy-btn.ok{border-color:var(--m-root);color:var(--m-root)}
.term-decon{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(1.4rem,4vw,2.2rem) clamp(1rem,3vw,1.6rem);margin-bottom:1.6rem;box-shadow:var(--shadow-sm);position:relative}
.td-h{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:800;color:var(--muted);
  letter-spacing:.02em;margin-bottom:1.4rem;justify-content:center;width:100%;text-transform:uppercase}
.td-h .ic-sm{color:var(--accent)}
.term-decon .legend{justify-content:center;margin-top:1.4rem}
.term-def{margin-bottom:1.4rem}
.lead-p{font-size:1.16rem;line-height:1.9;color:var(--ink);font-weight:500}
.term-uses{margin-bottom:1.7rem}
.term-uses h2,.term-body h2,.term-rel h2,.term-faq h2{font-size:1.25rem;margin-bottom:.9rem;display:flex;align-items:center;gap:.5rem}
.term-uses h2 .ic-sm,.term-rel h2 .ic-sm,.term-faq h2 .ic-sm{color:var(--accent)}
.uses{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.uses li{display:flex;gap:.6rem;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:11px;padding:.7rem .85rem}
.uses li .ic-sm{color:var(--m-root);margin-top:.28rem;flex:0 0 auto}
.term-rel{margin:1.9rem 0}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:.7rem}
.rel-card{display:flex;flex-direction:column;gap:.15rem;padding:.85rem .95rem;background:var(--surface-2);
  border:1px solid var(--line);border-radius:12px;transition:border-color .15s,transform .15s}
.rel-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.rel-fa{font-weight:800}.rel-en{font-family:var(--serif);font-size:.8rem;color:var(--muted)}
.rel-shared{font-size:.74rem;color:var(--accent);font-weight:700;margin-top:.25rem}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:.6rem;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:.85rem 1rem;font-weight:700;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-weight:800;font-size:1.2rem}
.faq[open] summary::after{content:"–"}
.faq-a{padding:0 1rem 1rem;color:var(--ink-soft)}
.term-refs{margin-top:1.8rem;padding-top:1.2rem;border-top:1px solid var(--line)}
.term-refs h3{font-size:.9rem;color:var(--muted);margin-bottom:.5rem}
.term-refs ol{margin:0;padding-inline-start:1.2rem;color:var(--muted);font-size:.86rem;line-height:1.9}
/* aside */
.term-aside{display:flex;flex-direction:column;gap:1rem;min-width:0}
.as-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem}
.as-h{font-size:.78rem;font-weight:800;color:var(--muted);letter-spacing:.02em;margin-bottom:.8rem;text-transform:uppercase}
.as-morphs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.4rem}
.as-m{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.4rem .6rem;
  border-radius:9px;border-inline-start:3px solid var(--c);background:color-mix(in srgb,var(--c) 6%,var(--surface));
  font-family:var(--serif);font-weight:600;color:var(--c)}
.as-m span{font-family:var(--sans);font-weight:600;color:var(--ink-soft);font-size:.82rem}
.as-roots{display:flex;flex-wrap:wrap;gap:.4rem}
.as-meta dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.4rem .8rem;font-size:.86rem}
.as-meta dt{color:var(--muted)}.as-meta dd{margin:0;font-weight:600}
.as-meta dd a{color:var(--accent)}
@media (min-width:960px){.term-wrap{grid-template-columns:minmax(0,1fr) 300px}
  .term-aside{position:sticky;top:calc(var(--head-h) + 14px);align-self:start}}

/* ---------- root page ---------- */
.root-wrap{padding-block:clamp(1.6rem,4vw,2.6rem)}
.root-head{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(1.4rem,4vw,2.2rem);margin-bottom:1.6rem;border-top:5px solid var(--c);position:relative}
.rh-type{font-size:.82rem;font-weight:800;color:var(--c);letter-spacing:.02em}
.rh-forms{display:flex;flex-wrap:wrap;gap:.5rem;margin:.7rem 0 .3rem}
.rf{font-family:var(--serif);font-weight:700;font-size:1.4rem;color:var(--c);
  background:color-mix(in srgb,var(--c) 9%,var(--surface));padding:.15rem .6rem;border-radius:9px;
  border-bottom:2px solid var(--c)}
.rh-mean{font-size:clamp(1.7rem,5vw,2.4rem);font-weight:900;margin-top:.3rem}
.rh-src{color:var(--muted);margin-top:.6rem;font-size:.95rem}
.rh-orig{font-family:var(--serif);color:var(--ink-soft);font-weight:600}
.root-note{background:color-mix(in srgb,var(--accent) 5%,var(--surface-2));border:1px solid var(--line);
  border-inline-start:3px solid var(--accent);border-radius:12px;padding:1rem 1.2rem;margin-bottom:1.8rem;color:var(--ink-soft)}
.root-terms{margin-bottom:2rem}.root-sib{margin-top:1.5rem}
.root-sib h2,.root-terms h2{font-size:1.2rem}

/* ---------- specialty / index heads ---------- */
.spec-wrap,.idx-wrap,.static-wrap,.guide-wrap,.search-wrap{padding-block:clamp(1.6rem,4vw,2.6rem)}
.spec-head{text-align:center;margin-bottom:2rem;padding-bottom:1.8rem;border-bottom:1px solid var(--line)}
.spec-head .crumbs{justify-content:center}
.sph-ic{width:60px;height:60px;display:inline-grid;place-items:center;border-radius:16px;margin-bottom:.8rem;
  background:color-mix(in srgb,var(--accent) 12%,var(--surface));color:var(--accent)}
.sph-ic .ic{width:32px;height:32px}
.spec-head h1{font-size:clamp(1.8rem,5vw,2.5rem)}
.sph-en{font-family:var(--serif);font-weight:600;color:var(--muted);font-size:.6em}
.sph-desc{color:var(--ink-soft);max-width:var(--measure);margin:.7rem auto 1.1rem}
.sph-roots{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}
.idx-head{margin-bottom:1.6rem}
.idx-head h1{font-size:clamp(1.7rem,5vw,2.4rem);display:flex;align-items:center;gap:.6rem}
.idx-head h1 .ic-sm{color:var(--accent);width:26px;height:26px}
.idx-sub{color:var(--ink-soft);max-width:var(--measure);margin:.7rem 0 1rem}
.idx-head .count-pill{margin-top:.3rem}
.idx-head .legend{margin-top:1rem}
.rootset{margin-bottom:2rem}
.rootset .sec-head h2{align-items:center}
.rootset-sw{width:14px;height:14px;border-radius:4px;background:var(--c);display:inline-block}
.rootset-hint{font-size:.78rem;font-weight:600;color:var(--muted)}

/* alpha strip */
.alpha{position:sticky;top:calc(var(--head-h) - 1px);z-index:40;background:var(--parchment);
  border-block:1px solid var(--line);margin-bottom:1.4rem}
.alpha-in{display:flex;gap:.15rem;overflow-x:auto;padding:.5rem 0;scrollbar-width:none}
.alpha-in::-webkit-scrollbar{display:none}
.alpha a{flex:0 0 auto;min-width:32px;height:32px;display:grid;place-items:center;font-weight:800;
  color:var(--ink-soft);border-radius:8px;font-size:.95rem}
.alpha a:hover{background:var(--surface);color:var(--accent)}
.alpha-l{font-size:1.5rem;font-weight:900;color:var(--accent);margin:1.6rem 0 .9rem;
  padding-bottom:.4rem;border-bottom:2px solid color-mix(in srgb,var(--accent) 28%,var(--line));scroll-margin-top:110px}

/* ---------- prose ---------- */
.prose{max-width:var(--measure);color:var(--ink-soft);font-size:1.03rem;line-height:1.95}
.prose h2{font-size:1.35rem;margin:2rem 0 .8rem;color:var(--ink);padding-top:.4rem}
.prose h2::before{content:"";display:block;width:34px;height:3px;background:var(--accent);border-radius:3px;margin-bottom:.7rem}
.prose h3{font-size:1.12rem;margin:1.5rem 0 .6rem;color:var(--ink)}
.prose p{margin:.9rem 0}
.prose ul,.prose ol{margin:.9rem 0;padding-inline-start:1.3rem}
.prose li{margin:.4rem 0}
.prose b,.prose strong{color:var(--ink);font-weight:700}
.prose strong bdi,.prose b{font-family:inherit}
.prose a{color:var(--accent);border-bottom:1px solid color-mix(in srgb,var(--accent) 40%,transparent)}
.prose--guide{max-width:76ch}
.guide-hero{background:linear-gradient(180deg,var(--surface),var(--surface-2));border-bottom:1px solid var(--line);
  padding-block:clamp(2rem,5vw,3.4rem);margin-bottom:0}
.guide-hero h1{font-size:clamp(1.9rem,5.5vw,2.8rem)}
.guide-h2{display:flex;align-items:center;gap:.5rem;font-size:1.3rem;margin:2.4rem 0 1rem}
.guide-h2 .ic-sm{color:var(--accent)}
.guide-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.7rem;margin-bottom:2rem}

/* ---------- search page ---------- */
.search-form{display:flex;gap:.5rem;margin:1.2rem 0 2rem;max-width:560px}
.search-form input{flex:1 1 auto;border:2px solid var(--line-2);background:var(--surface);border-radius:12px;
  padding:.8rem 1rem;font-family:var(--sans);font-size:1.02rem;color:var(--ink);outline:none}
.search-form input:focus{border-color:var(--accent)}
.search-form button{border:0;background:var(--accent);color:#fff;font-family:var(--sans);font-weight:800;
  padding:0 1.4rem;border-radius:12px;cursor:pointer}
.search-results{display:grid;gap:.7rem}
.sr-group-h{font-size:.82rem;font-weight:800;color:var(--muted);margin:1.2rem 0 .4rem}
.sr-item{display:flex;align-items:center;gap:.7rem;padding:.8rem 1rem;background:var(--surface);
  border:1px solid var(--line);border-radius:12px}
.sr-item:hover{border-color:var(--accent)}
.sr-item .sug-badge{width:36px;height:36px}
.sr-t{font-weight:800}.sr-s{font-size:.8rem;color:var(--muted)}
.sr-empty{color:var(--muted);padding:1.5rem 0}

/* ---------- static / 404 / buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.4rem;background:var(--accent);color:#fff;font-weight:800;
  padding:.7rem 1.3rem;border-radius:12px}
.btn:hover{background:var(--accent-ink)}
.btn--ghost{background:transparent;color:var(--accent);border:1.5px solid color-mix(in srgb,var(--accent) 45%,var(--line))}
.nf{text-align:center;padding-block:clamp(3rem,10vw,6rem)}
.nf-code{font-family:var(--serif);font-size:clamp(4rem,16vw,7rem);font-weight:800;color:var(--accent);line-height:1}
.nf h1{font-size:clamp(1.4rem,5vw,2rem);margin:.6rem 0 1rem}
.nf p{color:var(--muted);max-width:44ch;margin:0 auto 1.6rem}
.nf-cta{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
.foot{background:var(--surface);border-top:1px solid var(--line);margin-top:2rem}
.foot-legend{border-bottom:1px solid var(--line)}
.foot-legend .legend{max-width:var(--content);margin-inline:auto;padding:.9rem clamp(16px,4vw,30px);justify-content:center}
.foot-in{max-width:var(--content);margin-inline:auto;padding:clamp(2rem,5vw,3rem) clamp(16px,4vw,30px);
  display:grid;grid-template-columns:1fr;gap:1.6rem}
.foot-brand .brand--foot{margin-bottom:.8rem}
.brand-mark--foot{width:30px;height:30px}
.foot-about{color:var(--muted);font-size:.9rem;max-width:42ch;line-height:1.8}
.foot-stat{color:var(--accent);font-weight:700;font-size:.85rem;margin-top:.7rem}
.foot-col h3{font-size:.85rem;color:var(--ink);margin-bottom:.7rem}
.foot-col a{display:block;color:var(--muted);font-size:.9rem;padding:.22rem 0}
.foot-col a:hover{color:var(--accent)}
.foot-bar{border-top:1px solid var(--line)}
.foot-bar{max-width:100%;background:var(--surface-2)}
.foot-bar>*{color:var(--muted);font-size:.8rem}
.foot-bar{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;
  padding:1rem clamp(16px,4vw,30px);max-width:var(--content);margin-inline:auto}
@media (min-width:640px){.foot-in{grid-template-columns:1.6fr 1fr 1fr 1fr 1fr}}

/* ---------- reading progress ---------- */
.progress{position:fixed;top:0;inset-inline:0;height:3px;z-index:120;background:transparent}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--m-prefix),var(--m-root),var(--m-suffix))}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.mast,.foot,.copy-btn,.progress,.hsuggest{display:none!important}body{background:#fff}}