:root{--sand:#F6F1E8;--ink:#1C2B27;--text:#2c3a36;--mute:#5f6b67;--slate:#5E6B7A;--euc:#2F6B4F;--ochre:#C08A3E;--line:#e3dccd;--white:#fff;--trk:.72;--lab:150px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sand);color:var(--text);font:400 18px/1.6 "Albert Sans",system-ui,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--euc);text-underline-offset:3px}
h1,h2,h3{font-family:"Instrument Serif",Georgia,serif;font-weight:400;color:var(--ink);line-height:1.08;margin:0}
.tr-skip{position:absolute;left:-999px}.tr-skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:9}
.tr-kick{font:600 12.5px/1.3 "Albert Sans";letter-spacing:.1em;text-transform:uppercase;color:var(--euc);margin:0 0 10px}
.tr-n,table,.tr-bv,.tr-mc dd,.tr-calc b,.tr-calc input{font-family:"DM Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
/* header */
.tr-top{background:#fff;border-bottom:1px solid var(--line)}
.tr-trow{max-width:1200px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.tr-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.tr-lm{display:flex;flex-direction:column;gap:3px;width:30px}.tr-lm i{height:5px;border-radius:2px}.tr-lm i:nth-child(1){width:55%;background:var(--slate)}.tr-lm i:nth-child(2){width:78%;background:var(--euc)}.tr-lm i:nth-child(3){width:100%;background:var(--ochre)}
.tr-logo b{display:block;font:400 25px/1 "Instrument Serif";color:var(--ink)}
.tr-logo small{display:block;font-size:12.5px;color:var(--mute);margin-top:3px}
.tr-nav{display:flex;gap:18px;overflow-x:auto;scrollbar-width:none}
.tr-nav::-webkit-scrollbar{display:none}
.tr-nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px;white-space:nowrap;padding:6px 0;border-bottom:2px solid transparent}
.tr-nav a:hover,.tr-nav a[aria-current]{border-bottom-color:var(--ochre)}
@media (max-width:900px){.tr-trow{flex-direction:column;align-items:flex-start;gap:8px;padding:12px 16px}.tr-nav{max-width:100%}}
/* three-band card (signature) */
.tr-bands{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:20px 0}
.tr-bk{font-weight:700;color:var(--ink);margin:0 0 12px;font-size:16px}
.tr-bw{position:relative}
.tr-br{display:grid;grid-template-columns:var(--lab) 1fr 78px;align-items:center;gap:0 10px;padding:6px 0}
.tr-bl b{display:block;color:var(--ink);font-size:15.5px}.tr-bl small{display:block;color:var(--mute);font-size:12px;line-height:1.25}
.tr-bt{position:relative;height:22px;background:#f1ece2;border-radius:4px}
.tr-bf{display:block;height:100%;border-radius:4px}.tr-bf.tr-c{background:var(--slate)}.tr-bf.tr-t{background:var(--euc)}.tr-bf.tr-a{background:var(--ochre)}
.tr-bv{text-align:right;font-weight:500;color:var(--ink);font-size:15px}
.tr-rm{position:absolute;top:-4px;bottom:-4px;width:0;border-left:2px dashed var(--ink)}
.tr-rk{display:flex;align-items:center;gap:8px;margin:8px 0 0 var(--lab);font:500 13px "DM Mono";color:var(--ink)}.tr-rs{display:inline-block;width:0;height:16px;border-left:2px dashed var(--ink)}
.tr-bands figcaption{font-size:13px;color:var(--mute);margin-top:6px}
.tr-bn{font-size:13.5px;color:#7a4f12;background:#fbf1e1;border-radius:6px;padding:6px 10px;margin:8px 0 0}
@media (max-width:560px){:root{--lab:92px;--trk:.62}.tr-br{grid-template-columns:var(--lab) 1fr 64px}.tr-bl small{display:none}.tr-bv{font-size:13px}}
/* home */
.tr-hh{max-width:1200px;margin:0 auto;padding:34px 20px 10px;display:grid;grid-template-columns:1fr 1.05fr;gap:34px;align-items:center}
.tr-hh h1{font-size:clamp(36px,4.8vw,60px);margin-bottom:14px}
.tr-htx p{font-size:19px;max-width:52ch;margin:0 0 10px}
.tr-chk{font:500 13px "DM Mono"!important;color:var(--mute);margin:8px 0 0!important}
.tr-btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;font-weight:700;padding:13px 18px;border-radius:8px;margin-top:12px}
.tr-hcard .tr-bands{margin:0}
@media (max-width:900px){.tr-hh{grid-template-columns:1fr;padding:24px 16px 6px}}
.tr-sect{max-width:1200px;margin:0 auto;padding:34px 20px 10px}
.tr-sh h2{font-size:clamp(30px,3.6vw,42px);margin-bottom:6px}.tr-sh p{max-width:66ch;margin:0 0 14px}
.tr-mgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tr-mc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.tr-mc h3{font-size:25px;margin-bottom:10px}.tr-mc h3 a{color:var(--ink)}
.tr-mc dl{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;margin:0}
.tr-mc dt{font-size:12px;color:var(--mute);font-weight:600}.tr-mc dd{margin:0;color:var(--ink);font-size:15.5px}
.tr-cap{font-size:12.5px;color:var(--euc);margin:10px 0 0;font-weight:600}
@media (max-width:900px){.tr-mgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.tr-mgrid{grid-template-columns:1fr}.tr-sect{padding-left:16px;padding-right:16px}}
.tr-gg{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tr-gc{display:flex;flex-direction:column;gap:5px;text-decoration:none;color:var(--text)}
.tr-gc .tr-cimg{margin:0 0 6px}.tr-gc .tr-cimg img{border-radius:10px;aspect-ratio:3/2;object-fit:cover;width:100%}.tr-gc .tr-cimg figcaption{display:none}
.tr-gk{font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--euc)}
.tr-gc b{font:400 24px/1.1 "Instrument Serif";color:var(--ink)}.tr-gc > span:last-child{font-size:15px;color:var(--mute)}
@media (max-width:900px){.tr-gg{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.tr-gg{grid-template-columns:1fr}}
.tr-morel{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.tr-morel a{background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 13px;text-decoration:none;color:var(--ink);font-weight:600;font-size:14.5px}
.tr-indep{max-width:1200px;margin:20px auto 50px;padding:0 20px;font-size:14px;color:var(--mute)}
/* article */
.tr-art{padding-bottom:70px}
.tr-ahead{max-width:1200px;margin:0 auto;padding:30px 20px 8px}
.tr-ahead.tr-split{display:grid;grid-template-columns:1.15fr 1fr;gap:30px;align-items:center}
.tr-ahead h1{font-size:clamp(36px,4.8vw,58px);max-width:20ch;margin-bottom:12px}
.tr-ahead .tr-dek p{font-size:19.5px;margin:0;max-width:60ch}
.tr-by{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:14px;color:var(--mute);margin:14px 0 0}.tr-by span:first-child{color:var(--ink);font-weight:600}
.tr-gi{font-style:italic;font-size:14px;color:var(--mute);margin:8px 0 0;max-width:70ch}
.tr-hpic{margin:0}.tr-hpic img{border-radius:14px;aspect-ratio:4/3;object-fit:cover;width:100%}
.tr-hpic figcaption,.tr-pic figcaption{font-size:12.5px;color:var(--mute);margin-top:6px}
@media (max-width:900px){.tr-ahead.tr-split{grid-template-columns:1fr}.tr-ahead{padding:24px 16px 6px}}
.tr-agrid{max-width:1200px;margin:0 auto;padding:10px 20px 0;display:grid;grid-template-columns:minmax(0,760px) 250px;gap:60px;justify-content:space-between}
.tr-toc{position:sticky;top:16px;align-self:start;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.tr-toc .tr-tk{font-weight:700;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px;color:var(--euc)}
.tr-toc ol{margin:0;padding-left:18px}.tr-toc li{margin:5px 0}.tr-toc a{color:var(--ink);text-decoration:none}
@media (max-width:980px){.tr-agrid{grid-template-columns:minmax(0,1fr);gap:0;padding:6px 16px 0}.tr-toc{display:none}}
.tr-body{min-width:0}
.tr-body > p,.tr-body li{max-width:68ch}
.tr-body h2{font-size:clamp(30px,3.4vw,40px);margin:40px 0 12px;scroll-margin-top:12px}
.tr-body h3{font-size:26px;margin:26px 0 8px}
.tr-short{background:#fff;border-left:5px solid var(--euc);border-radius:0 12px 12px 0;padding:14px 20px;margin:14px 0 20px}
.tr-sk{font-weight:700;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--euc);margin:0 0 4px}
.tr-short p:last-child{margin:0;font-size:19px;color:var(--ink)}
.tr-pic{margin:24px 0}.tr-pic img{border-radius:12px;width:100%;aspect-ratio:16/10;object-fit:cover}
.tr-tw{overflow-x:auto;margin:18px 0}
table{border-collapse:collapse;width:100%;font-size:14.5px;background:#fff}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top;font-family:"Albert Sans"}
thead th{background:var(--ink);color:#fff;font-weight:600;font-size:13px}
td.tr-n,th.tr-n{text-align:right;white-space:nowrap;font-family:"DM Mono"}
.tr-body > table{display:block;overflow-x:auto}
.tr-asm{font-size:13.5px;color:var(--mute);margin:4px 0 18px}
.tr-faq details{border-bottom:1px solid var(--line);padding:12px 0}
.tr-faq summary{cursor:pointer;font-weight:700;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:12px;font-size:17.5px}
.tr-faq summary::-webkit-details-marker{display:none}
.tr-faq summary::after{content:"+";color:var(--euc);font-size:22px;line-height:1}.tr-faq details[open] summary::after{content:"\2212"}
.tr-faq details p{margin:8px 0 0}
.tr-key{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 18px;margin:18px 0}
.tr-key p{margin:4px 0}
/* calculator */
.tr-calc{display:grid;grid-template-columns:1fr 1.2fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;margin:20px 0}
.tr-ck{font-weight:700;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--euc);margin:0 0 8px}
.tr-cin label{display:flex;flex-direction:column;gap:4px;font-weight:600;font-size:14.5px;margin:0 0 10px;color:var(--ink)}
.tr-cin select,.tr-cin input[type=number]{font:inherit;font-weight:500;padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--sand)}
.tr-cin label.tr-co{flex-direction:row;align-items:center;gap:8px}
.tr-cin details{font-size:14px}.tr-cin details label{flex-direction:row;justify-content:space-between;align-items:center;font-weight:500}
.tr-pc{display:inline-flex;align-items:center;gap:4px}.tr-pc input{width:70px}
.tr-cr{display:grid;grid-template-columns:92px 1fr 90px;gap:10px;align-items:center;padding:6px 0}
.tr-cl{font-weight:700;color:var(--ink);font-size:14.5px}
.tr-ct{height:20px;background:#f1ece2;border-radius:4px;overflow:hidden}
.tr-cf{display:block;height:100%;border-radius:4px}.tr-cf.tr-c{background:var(--slate)}.tr-cf.tr-t{background:var(--euc)}.tr-cf.tr-a{background:var(--ochre)}.tr-cf.tr-l{background:repeating-linear-gradient(45deg,#1C2B27 0 6px,#45534f 6px 12px)}.tr-cf.tr-neg{background:#b5523d}
.tr-cr b{text-align:right;color:var(--ink);font-weight:500}.tr-cr b.tr-neg{color:#b5523d}
.tr-pay{font-size:15px;color:var(--ink);margin:10px 0 0}
.tr-fine{font-size:12.5px;color:var(--mute);margin:10px 0 0}
@media (max-width:760px){.tr-calc{grid-template-columns:1fr}.tr-cr{grid-template-columns:80px 1fr 80px}}
.tr-related{margin-top:30px}
.tr-sources{margin-top:44px;padding-top:14px;border-top:2px solid var(--ink)}
.tr-sources h2{font:700 14px "Albert Sans";letter-spacing:.08em;text-transform:uppercase;margin:0 0 10px}
.tr-sources ol{padding-left:20px;font-size:15px}.tr-sources li{margin:4px 0}
.tr-meta{font-size:14px;color:var(--mute)}
/* footer */
.tr-foot{background:var(--ink);color:#cfd8d4}
.tr-fwrap{max-width:1200px;margin:0 auto;padding:44px 20px 34px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
.tr-fn{font:400 26px "Instrument Serif";color:#fff;margin:0 0 10px}
.tr-fa p{font-size:14.5px;max-width:50ch}
.tr-foot nav h2{font:700 12.5px "Albert Sans";letter-spacing:.08em;text-transform:uppercase;color:var(--ochre);margin:4px 0 10px}
.tr-foot nav a{display:block;color:#fff;text-decoration:none;font-size:15px;padding:3px 0}
@media (max-width:860px){.tr-fwrap{grid-template-columns:1fr 1fr;padding-left:16px;padding-right:16px}.tr-fa{grid-column:1/-1}}

.tr-stats{max-width:1160px;margin:8px auto 0;padding:28px clamp(16px,4vw,40px);background:var(--ink);color:#fff;border-radius:16px}
.tr-stats .tr-kick{color:#cfe3d7;margin:0 0 14px}
.tr-sg{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.tr-sg div{border-top:2px solid var(--ochre);padding-top:12px}
.tr-sg b{display:block;font:500 clamp(34px,4.4vw,56px)/1 "DM Mono",ui-monospace,monospace;letter-spacing:-.02em;color:#fff}
.tr-sg span{display:block;margin-top:8px;font-size:15px;color:#d7ddda}
.tr-stats .tr-sn{margin:18px 0 0;font-size:14px;color:#c4ccc8}.tr-stats .tr-sn a{color:#fff}
.tr-mbig{margin:0 0 12px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.tr-mbig b{display:block;font:500 34px/1 "DM Mono",ui-monospace,monospace;color:var(--euc)}
.tr-mbig span{font-size:13px;color:var(--mute)}
@media (max-width:1200px){.tr-stats{margin:8px 20px 0}}
@media (max-width:760px){.tr-sg{grid-template-columns:1fr 1fr}.tr-stats{margin:8px 16px 0}}

.tr-logo small,.tr-bl small,.tr-mc dt,.tr-cap,.tr-gk,.tr-hpic figcaption,.tr-pic figcaption,.tr-toc .tr-tk,.tr-sk,.tr-ck,.tr-fine,.tr-foot nav h2{font-size:13px}main p,.tr-foot p{max-width:900px}.tr-nav{flex-wrap:wrap;overflow:visible}.tr-nav a{min-height:44px;display:inline-flex;align-items:center}.tr-tw:focus-visible{outline:2px solid var(--euc);outline-offset:3px}

@media (max-width:600px){.tr-tw table:has(th:nth-child(3)){min-width:560px}}