/* counter-word.com — typesetter's instrument
   Green-black fountain ink on cool paper. Highlighter yellow does exactly
   one job: marking the pane you're writing in. */

@font-face{font-family:'Lato';src:url('/assets/fonts/lato-400.woff2') format('woff2');font-weight:400;font-display:swap;font-style:normal}
@font-face{font-family:'Lato';src:url('/assets/fonts/lato-700.woff2') format('woff2');font-weight:700;font-display:swap;font-style:normal}
@font-face{font-family:'Lato';src:url('/assets/fonts/lato-900.woff2') format('woff2');font-weight:900;font-display:swap;font-style:normal}
@font-face{font-family:'MonoRead';src:url('/assets/fonts/mono.woff2') format('woff2-variations');font-weight:100 800;font-display:swap;font-style:normal}

:root{
  --ink:#0E1614;
  --ink-2:#0A4F46;
  --signal:#0E6E62;
  --signal-hi:#12897A;
  --signal-dim:#E6F0EE;
  --mark:#FFD34D;
  --canvas:#E8EFEC;
  --paper:#FFFFFF;
  --field:#F2F6F5;
  --rule:#CFDCD8;
  --rule-soft:#E7EEEC;
  --muted:#4C5E5A;
  --warn:#A83E1B;
  --deep:#0C1A17;

  --f-display:'Lato','Segoe UI',system-ui,-apple-system,sans-serif;
  --f-body:'Lato',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'MonoRead',ui-monospace,'SFMono-Regular',Menlo,monospace;

  --wrap:1140px;
  --r:12px;
  --lift:0 1px 1px rgba(12,26,23,.05), 0 4px 10px -4px rgba(12,26,23,.10),
         0 16px 32px -18px rgba(12,26,23,.24), 0 40px 72px -40px rgba(12,26,23,.22);
  --lift-sm:0 1px 1px rgba(12,26,23,.05), 0 3px 8px -3px rgba(12,26,23,.12), 0 12px 26px -16px rgba(12,26,23,.24);
  --lift-hover:0 1px 1px rgba(12,26,23,.06), 0 6px 14px -4px rgba(12,26,23,.14), 0 22px 40px -22px rgba(12,26,23,.28);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--canvas);color:var(--ink);
  font-family:var(--f-body);font-size:17px;line-height:1.65;
  font-weight:400;letter-spacing:-.004em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:var(--ink-2);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
input[type=checkbox],input[type=radio]{accent-color:var(--signal);width:16px;height:16px;flex:none}
:focus-visible{outline:2.5px solid var(--signal);outline-offset:2px;border-radius:3px}
[id]{scroll-margin-top:78px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:99;border-radius:0 0 8px 0}
.skip:focus{left:0;top:0}

/* ---------- masthead ---------- */
.mast{
  border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.92);backdrop-filter:saturate(1.7) blur(14px);box-shadow:0 1px 0 rgba(12,26,23,.05);backdrop-filter:saturate(1.7) blur(14px);
  -webkit-backdrop-filter:saturate(1.6) blur(12px);
}
.mast-in{display:flex;align-items:center;gap:24px;height:62px;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.brand{font-family:var(--f-display);font-weight:900;font-size:20px;letter-spacing:-.028em;color:var(--ink);display:flex;align-items:center;flex:none}
.brand:hover{text-decoration:none}
.brand-tick{display:inline-block;width:9px;height:19px;background:var(--signal);border-radius:2px;margin-right:9px;flex:none;box-shadow:0 0 0 3px var(--signal-dim)}
.brand em{font-style:normal;color:var(--signal);font-weight:500}
.brand-t{white-space:nowrap}
.mnav{display:flex;gap:4px;margin-left:auto;font-size:14.5px;font-weight:500}
.mnav a{color:var(--muted);padding:7px 12px;border-radius:7px;transition:color .13s,background .13s}
.mnav a:hover{color:var(--signal);background:var(--signal-dim);text-decoration:none}
.mnav a[aria-current]{color:var(--signal);background:var(--signal-dim)}
.mtoggle{display:none;margin-left:auto;background:var(--paper);border:1px solid var(--rule);border-radius:8px;padding:8px 12px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;color:var(--ink)}

/* ---------- page head ---------- */
.crumbs{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:20px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--signal)}
.crumbs li+li::before{content:"/";margin-right:7px;color:#B9C7C4}

.phead{padding:26px 0 24px;max-width:760px}
.eyebrow{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--signal);font-weight:700;margin:0 0 11px}
h1{font-family:var(--f-display);font-weight:900;letter-spacing:-.032em;line-height:1.03;font-size:clamp(33px,5.4vw,53px);margin:0 0 14px}
.lede{font-size:clamp(16.5px,2vw,19.5px);color:var(--muted);margin:0;max-width:60ch;line-height:1.55}

/* ---------- the instrument ---------- */
.toolwrap{position:relative;border-radius:14px;box-shadow:var(--lift);background:var(--paper);overflow:hidden}
.toolwrap::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--ink-2) 0%,var(--signal) 45%,var(--signal-hi) 100%);z-index:2}
.tool{
  display:grid;grid-template-columns:minmax(0,1fr) 306px;
  border:1px solid var(--rule);border-top:0;border-radius:0;overflow:hidden;
  background:var(--paper);margin-top:4px;
}

.pane{display:flex;flex-direction:column;min-width:0;background:var(--field)}
.pane-bar{display:flex;align-items:center;gap:10px;padding:11px 16px;border-bottom:1px solid var(--rule);background:var(--paper);flex-wrap:wrap;position:relative}
.pane-bar::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--mark);opacity:0;transition:opacity .15s}
.pane:focus-within .pane-bar::after{opacity:1}
.pane-lab{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.pane-acts{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.tbtn{font:inherit;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.02em;background:var(--paper);border:1px solid var(--rule);color:var(--muted);padding:6px 11px;border-radius:7px;cursor:pointer;transition:border-color .13s,color .13s,background .13s}
.tbtn:hover{border-color:var(--signal);color:var(--signal);background:var(--signal-dim)}
.tbtn[disabled]{opacity:.45;cursor:default}

#text{
  width:100%;min-height:368px;flex:1 1 auto;resize:vertical;border:0;background:var(--field);
  padding:22px 24px;font-family:var(--f-body);font-size:16.5px;line-height:1.75;color:var(--ink);
  outline:0;display:block;transition:background .15s;
}
#text::placeholder{color:#8FA3A0}
.pane:focus-within #text{background:var(--paper)}

.read{border-left:1px solid var(--rule);background:#F7FBFA;display:flex;flex-direction:column}
.read-hero{padding:22px 22px 18px;border-bottom:1px solid var(--rule);background:var(--paper)}
.read-hero .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--signal);font-weight:700;display:block;margin-bottom:5px}
.read-hero .v{
  font-family:var(--f-mono);font-weight:700;font-size:clamp(42px,6.6vw,58px);line-height:.96;
  letter-spacing:-.055em;color:var(--ink);font-variant-numeric:tabular-nums;display:block;
  padding-bottom:11px;border-bottom:2px solid var(--signal);margin-bottom:8px;
}
.read-hero .u{font-size:14.5px;color:var(--muted);font-family:var(--f-body);letter-spacing:0;font-weight:400;display:block}
.read-hero .sub{font-size:13px;color:var(--muted);margin:8px 0 0;line-height:1.4}

.meter{height:6px;background:var(--field);border-radius:99px;overflow:hidden;margin-top:13px;border:1px solid var(--rule)}
.meter i{display:block;height:100%;width:0;background:var(--signal);border-radius:99px;transition:width .18s ease-out,background .18s}
.meter-note{font-family:var(--f-mono);font-size:11px;color:var(--muted);margin-top:7px;display:flex;justify-content:space-between}
.meter-note b{color:var(--ink);font-weight:700}
.over .meter i{background:var(--warn)}
.over .meter{border-color:#E7C3B5}
.over .meter-note b{color:var(--warn)}

.stats{list-style:none;margin:0;padding:5px 0;flex:1}
.stats li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:6px 22px;font-size:13.5px}
.stats li+li{border-top:1px solid var(--rule-soft)}
.stats li:nth-child(even){background:rgba(255,255,255,.72)}
.stats .k{color:var(--muted);font-size:13px}
.stats .v{font-family:var(--f-mono);font-weight:700;font-size:14px;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.tick{animation:tick .2s ease-out}
@keyframes tick{from{transform:translateY(-2px);opacity:.5}to{transform:none;opacity:1}}

.extras{border:1px solid var(--rule);border-top:0;border-radius:0;background:var(--paper)}
.ex-head{display:flex;align-items:center;gap:10px;padding:12px 18px;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);background:#F7FBFA}
.ex-body{padding:15px 18px 20px}
.dense{display:grid;grid-template-columns:repeat(auto-fill,minmax(216px,1fr));gap:4px 22px;list-style:none;margin:0;padding:0}
.dense li{display:flex;justify-content:space-between;gap:10px;font-size:14px;padding:6px 0;border-bottom:1px solid var(--rule-soft)}
.dense .w{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
.dense .n{font-family:var(--f-mono);font-weight:700;color:var(--signal);font-variant-numeric:tabular-nums;flex:none}
.empty{color:var(--muted);font-size:14px;margin:0}

.assure{list-style:none;display:flex;flex-wrap:wrap;gap:9px 26px;margin:14px 0 0;padding:12px 18px;
  font-size:13.5px;color:var(--muted);background:var(--paper);border:1px solid var(--rule);
  border-radius:11px;box-shadow:var(--lift-sm)}
.assure li{display:flex;align-items:center;gap:9px}
.assure li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--signal);flex:none;box-shadow:0 0 0 3px var(--signal-dim)}

/* ---------- reading layout: prose + sticky contents ---------- */
.reading{display:grid;grid-template-columns:minmax(0,1fr) 232px;gap:52px;align-items:start;padding:54px 0 0}
.body{max-width:730px;min-width:0}
.toc{position:sticky;top:82px}
.toc-in{border-left:2px solid var(--rule);padding:2px 0 2px 18px}
.toc-h{font-family:var(--f-mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);font-weight:700;margin:0 0 10px}
.toc ol{list-style:none;margin:0;padding:0}
.toc li{margin:0 0 8px;line-height:1.35}
.toc a{font-size:13.5px;color:var(--muted);display:block}
.toc a:hover{color:var(--signal);text-decoration:none}

.body h2{font-family:var(--f-display);font-weight:900;letter-spacing:-.024em;font-size:clamp(24px,3vw,30px);line-height:1.18;margin:46px 0 14px;padding-top:20px;position:relative}
.body h2::before{content:"";position:absolute;top:0;left:0;width:34px;height:3px;background:var(--signal);border-radius:2px}
.body>h2:first-child{margin-top:0}
.body h3{font-family:var(--f-display);font-weight:700;letter-spacing:-.012em;font-size:19.5px;margin:30px 0 8px}
.body p{margin:0 0 16px}
.body ul:not(.hub):not(.dense),.body ol{margin:0 0 18px;padding-left:4px;list-style:none}
.body ul:not(.hub):not(.dense)>li,.body ol>li{margin:0 0 9px;padding-left:24px;position:relative}
.body ul:not(.hub):not(.dense)>li::before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--signal-dim);border:1.5px solid var(--signal)}
.body ol{counter-reset:n}
.body ol>li{counter-increment:n}
.body ol>li::before{content:counter(n) ".";position:absolute;left:2px;top:0;font-family:var(--f-mono);font-size:12.5px;font-weight:700;color:var(--signal)}
.body strong{font-weight:700}
.body code{font-family:var(--f-mono);font-size:.88em;background:var(--field);padding:2px 6px;border-radius:5px;border:1px solid var(--rule-soft)}

.note{background:var(--paper);border:1px solid var(--rule);border-left:4px solid var(--mark);
  padding:34px 22px 18px;border-radius:0 11px 11px 0;margin:6px 0 24px;font-size:15.5px;
  box-shadow:var(--lift-sm);position:relative}
.note::before{content:"Worth knowing";position:absolute;top:12px;left:22px;
  font-family:var(--f-mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:#8A6D12;font-weight:700}

.tbl-wrap{overflow-x:auto;margin:0 0 24px;border:1px solid var(--rule);border-radius:11px;background:var(--paper);box-shadow:var(--lift-sm)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--rule-soft)}
th{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#3E4F4B;font-weight:700;background:#EDF3F1;border-bottom:2px solid var(--rule)}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#F8FBFA}
tbody tr:hover{background:var(--signal-dim)}
td:not(:first-child){font-family:var(--f-mono);font-variant-numeric:tabular-nums;font-weight:500;color:var(--ink-2)}
td:first-child{font-weight:500}

.faq{margin:16px 0 0;border:1px solid var(--rule);border-radius:12px;background:var(--paper);box-shadow:var(--lift-sm);overflow:hidden}
.faq details{border-bottom:1px solid var(--rule-soft)}
.faq details:last-child{border-bottom:0}
.faq details[open]{background:#FAFCFC}
.faq summary{cursor:pointer;padding:16px 44px 16px 20px;font-weight:600;font-size:16.5px;position:relative;list-style:none;line-height:1.4}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--signal)}
.faq summary::after{content:"";position:absolute;right:20px;top:21px;width:10px;height:10px;border-right:2px solid var(--signal);border-bottom:2px solid var(--signal);transform:rotate(45deg);transition:transform .18s}
.faq details[open] summary::after{transform:rotate(-135deg);top:25px}
.faq .a{padding:0 20px 18px;color:var(--muted);font-size:15.5px}
.faq .a p{margin:0 0 10px}
.faq .a p:last-child{margin:0}

/* ---------- related tools ---------- */
.rel{margin:56px 0 0;padding:30px 0 0;border-top:1px solid var(--rule)}
.rel h2{font-family:var(--f-mono);font-size:11.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin:0 0 16px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(246px,1fr));gap:10px;list-style:none;margin:0;padding:0}
.rel-grid a{display:block;border:1px solid var(--rule);border-radius:11px;padding:15px 17px;background:var(--paper);
  box-shadow:var(--lift-sm);position:relative;overflow:hidden;
  transition:border-color .15s,box-shadow .15s,transform .15s}
.rel-grid a::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--signal);
  transform:scaleY(0);transform-origin:top;transition:transform .18s}
.rel-grid a:hover{border-color:#A9C7C1;text-decoration:none;box-shadow:var(--lift-hover);transform:translateY(-2px)}
.rel-grid a:hover::before{transform:scaleY(1)}
.rel-grid .t{display:block;font-weight:600;font-size:15px;color:var(--ink);letter-spacing:-.015em}
.rel-grid .d{display:block;font-size:13px;color:var(--muted);margin-top:3px;line-height:1.42}

/* ---------- hub listings ---------- */
.hubpage{max-width:none;padding:44px 0 0}
.hubpage>p,.hubpage>h2,.hubpage>h3,.hubpage>.note,.hubpage>.tbl-wrap,.hubpage>.faq,.hubpage>ul:not(.hub){max-width:730px}
.hub{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:12px;list-style:none;margin:22px 0 0;padding:0}
.hub a{display:block;border:1px solid var(--rule);border-radius:13px;padding:19px 20px;height:100%;background:var(--paper);
  box-shadow:var(--lift-sm);position:relative;overflow:hidden;
  transition:border-color .15s,box-shadow .15s,transform .15s}
.hub a::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--signal),var(--signal-hi));
  transform:scaleY(0);transform-origin:top;transition:transform .2s}
.hub a::after{content:"";position:absolute;right:18px;top:22px;width:7px;height:7px;
  border-right:2px solid #B7CBC6;border-top:2px solid #B7CBC6;transform:rotate(45deg);transition:border-color .15s,right .18s}
.hub a:hover{border-color:#A9C7C1;text-decoration:none;box-shadow:var(--lift-hover);transform:translateY(-3px)}
.hub a:hover::before{transform:scaleY(1)}
.hub a:hover::after{border-color:var(--signal);right:14px}
.hub .t{padding-right:22px}
.hub .t{display:block;font-family:var(--f-display);font-weight:700;font-size:17px;color:var(--ink);letter-spacing:-.012em}
.hub .d{display:block;font-size:13.5px;color:var(--muted);margin-top:5px;line-height:1.45}
.sec-lab{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--signal);font-weight:700;margin:46px 0 0;padding-top:24px;border-top:1px solid var(--rule)}
.sec-lab:first-of-type{border-top:0;padding-top:0;margin-top:8px}

/* ---------- foot ---------- */
.foot{margin-top:88px;background:var(--deep);color:#C3D3CF;padding:52px 0 34px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(164px,1fr));gap:32px 26px}
.foot h3{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#79A099;margin:0 0 12px;font-weight:700}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin:0 0 8px}
.foot a{color:#DCE8E5}
.foot a:hover{color:#fff}
.foot-base{margin-top:38px;padding-top:22px;border-top:1px solid #1E2F2B;display:flex;flex-wrap:wrap;gap:16px;align-items:center;color:#93B0AA;font-size:13.5px}
.foot-base a{color:#93B0AA}
.foot-base a:hover{color:#DCE8E5}
.foot-note{margin-left:auto;display:flex;align-items:center;gap:8px}
.foot-note::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--signal-hi);flex:none}

@media (max-width:1020px){
  .reading{grid-template-columns:1fr;gap:0}
  .toc{position:static;margin:0 0 36px;order:-1}
  .toc-in{border-left:0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:16px 0}
  .toc ol{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:2px 22px}
}
@media (max-width:900px){
  .tool{grid-template-columns:1fr}
  .read{border-left:0;border-bottom:1px solid var(--rule);order:-1;background:var(--paper)}
  .read-hero{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding-bottom:16px;border-bottom:0}
  .read-hero .k{margin:0;align-self:center}
  .read-hero .v{font-size:40px;border-bottom:0;padding-bottom:0;margin-bottom:0}
  .read-hero .meter,.read-hero .sub,.read-hero .meter-note{flex-basis:100%}
  .stats{display:grid;grid-template-columns:1fr 1fr;padding:0;border-top:1px solid var(--rule)}
  .stats li{padding:9px 18px;border-top:1px solid var(--rule-soft)}
  .stats li:nth-child(odd){border-right:1px solid var(--rule-soft)}
  .stats li:last-child:nth-child(odd){grid-column:1/-1;border-right:0}
  #text{min-height:270px}
  .mnav{display:none}
  .mnav.open{display:flex;position:absolute;top:62px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--rule);flex-direction:column;gap:0;padding:8px 22px 16px;box-shadow:var(--lift)}
  .mnav.open a{padding:11px 12px}
  .mtoggle{display:block}
  .reading{padding-top:42px}
  .foot{margin-top:64px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}