@font-face{font-family:Epilogue;src:url(/assets/fonts/epilogue-latin-800-normal.woff2) format("woff2");font-weight:700 800;font-display:swap}
@font-face{font-family:Lexend;src:url(/assets/fonts/lexend-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Lexend;src:url(/assets/fonts/lexend-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Martian Mono";src:url(/assets/fonts/martian-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Martian Mono";src:url(/assets/fonts/martian-mono-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}

:root{
  --bg:#fbfbf7;--surface:#ffffff;--ink:#14213d;--soft:#4a5568;--grid:#e8edf3;--grid-strong:#d5dde8;
  --tomato:#c8431f;--tomato-bg:#fde8e1;--lime:#d4f26a;--blue:#2b59c3;--amber:#b7791f;--focus:#2b59c3;
  --head:Epilogue,"Arial Black",system-ui,sans-serif;--body:Lexend,system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Martian Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0f1524;--surface:#161e31;--ink:#e8ecf4;--soft:#a8b3c7;--grid:#1a2338;--grid-strong:#2a3550;
  --tomato:#ff8a65;--tomato-bg:#3a1f18;--lime:#c5e45a;--blue:#8fb0ff;--amber:#f6c264;--focus:#c5e45a;
}}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:12px}
body{margin:0;color:var(--ink);font:400 17px/1.65 var(--body);overflow-x:hidden;
  background-color:var(--bg);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px}
a{color:var(--blue);text-underline-offset:3px}
a:hover{color:var(--tomato)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
h1,h2,h3{font-family:var(--head);font-weight:800;letter-spacing:-.02em;line-height:1.08}
code,pre{font-family:var(--mono)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:6px;background:var(--surface);padding:8px 12px;z-index:9}
.skip:focus{left:10px}

/* masthead */
.masthead{display:flex;flex-direction:column;align-items:center;gap:10px;padding:22px 16px 0;text-align:center}
.mark{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.mark-f{font:600 .95rem var(--mono);background:var(--tomato);color:#fff;padding:6px 9px;border-radius:4px;transform:rotate(-4deg)}
.mark-f.small{font-size:.75rem;padding:3px 6px}
.mark-name{font:800 1.7rem var(--head);letter-spacing:-.03em}
.tabs{display:flex;gap:2px;flex-wrap:wrap;justify-content:center;border-bottom:2px solid var(--ink);padding:0 4px}
.tabs a{font:600 .78rem var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--ink);text-decoration:none;padding:10px 14px;border:2px solid transparent;border-bottom:0;border-radius:6px 6px 0 0;margin-bottom:-2px}
.tabs a:hover{background:var(--surface)}
.tabs a[aria-current]{background:var(--surface);border-color:var(--ink);border-bottom:2px solid var(--surface)}

/* buttons */
.pill{display:inline-flex;align-items:center;gap:6px;font:600 .95rem var(--body);background:var(--ink);color:var(--bg);border:2px solid var(--ink);border-radius:999px;padding:9px 18px;text-decoration:none;cursor:pointer}
.pill:hover{background:var(--tomato);border-color:var(--tomato);color:#fff}
.pill.ghost{background:transparent;color:var(--ink)}
.pill.ghost:hover{background:var(--lime);border-color:var(--ink);color:#14213d}
.pill.nudge{background:var(--lime);color:#14213d;border-color:var(--ink)}
.textbtn{background:none;border:0;padding:4px 0;font:600 .85rem var(--mono);color:var(--blue);cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* intro */
.intro{padding:44px 16px 30px}
.intro-in{max-width:880px;margin:0 auto;text-align:center}
.equation{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin:0 0 18px;font:600 .9rem var(--mono)}
.equation code{background:var(--surface);border:2px solid var(--ink);padding:5px 10px;border-radius:4px;box-shadow:3px 3px 0 var(--ink)}
.equation .eq-out{background:var(--lime);color:#14213d}
.equation span{color:var(--tomato);font-size:1.1rem}
.intro h1{font-size:clamp(2.1rem,5.4vw,3.9rem);margin:0 auto 16px;max-width:17ch}
.intro-lede{font-size:1.12rem;color:var(--soft);max-width:62ch;margin:0 auto}
.intro-links{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:22px 0 0}

/* bench */
.bench{padding:28px 16px}
.bench.alt{background:color-mix(in srgb,var(--surface) 70%,transparent);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.bench-in{max-width:1220px;margin:0 auto}
.bench h2,.notes h2{font-size:clamp(1.7rem,3vw,2.3rem);margin:0 0 16px}
.bench-grid{display:grid;grid-template-columns:230px minmax(0,1fr) minmax(0,1.05fr);gap:20px;align-items:start}
.picker,.fields,.output{background:var(--surface);border:2px solid var(--ink);border-radius:10px;padding:16px;margin:0;min-width:0}
.picker{box-shadow:5px 5px 0 var(--tomato)}
.output{box-shadow:5px 5px 0 var(--blue)}
.picker legend,.step-label{font:600 .78rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--tomato);margin:0 0 8px;padding:0}
.picker legend{float:left;width:100%}
.picker-list{display:grid;gap:4px;clear:both}
.pick{position:relative}
.pick input{position:absolute;opacity:0;width:1px;height:1px}
.pick label{display:block;margin:0;padding:8px 10px;border-radius:6px;cursor:pointer;font-weight:600;font-size:.93rem;border:2px solid transparent}
.pick label:hover{background:var(--grid)}
.pick input:checked+label{background:var(--lime);border-color:var(--ink);color:#14213d}
.pick input:focus-visible+label{outline:3px solid var(--focus);outline-offset:2px}
.f-blurb{margin:0 0 6px;color:var(--soft);font-size:.95rem}
label{display:block;font-weight:600;font-size:.9rem;margin:14px 0 5px}
.hint{display:block;font-weight:400;color:var(--soft);font-size:.82rem}
input[type=text],textarea,select{width:100%;font:400 16px/1.5 var(--body);color:var(--ink);background:var(--bg);border:2px solid var(--grid-strong);border-radius:8px;padding:9px 11px}
input[type=text]:focus,textarea:focus,select:focus{border-color:var(--ink)}
textarea{resize:vertical}
.fields .textbtn{margin-top:10px}
.variant-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.variant-tabs button{font:600 .8rem var(--mono);background:transparent;color:var(--ink);border:2px solid var(--grid-strong);border-radius:999px;padding:5px 12px;cursor:pointer}
.variant-tabs button[aria-selected=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.phone{border:2px solid var(--ink);border-radius:14px;padding:12px;background:var(--bg)}
.phone textarea{border:0;background:transparent;padding:4px;min-height:220px;font-size:16px}
.phone textarea.is-sample{color:var(--soft);font-style:italic}
.meter{display:flex;align-items:center;justify-content:flex-end;gap:10px;border-top:1px solid var(--grid-strong);padding-top:8px}
.meter p{margin:0;font:600 .85rem var(--mono)}
.meter p.near{color:var(--amber)}
.meter p.over,.over{color:var(--tomato);font-weight:600}
.out-note{font-size:.85rem;color:var(--soft);margin:10px 0}
.out-actions{display:flex;gap:10px;flex-wrap:wrap}
.copy-msg{font:600 .8rem var(--mono);color:var(--blue);min-height:1.2em;margin:8px 0 0}
.sec-lede{max-width:70ch;color:var(--soft);margin:0 0 16px}
.split-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}
.split-grid label:first-child{margin-top:0}
.split-opts{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;align-items:center;margin-top:10px}
.split-opts label{margin:0}
.split-sum{font-size:.9rem;color:var(--soft)}
.thread{list-style:none;margin:0;padding:0 0 0 18px;border-left:3px dotted var(--grid-strong);display:grid;gap:12px;counter-reset:t}
.tpost{position:relative;background:var(--surface);border:2px solid var(--ink);border-radius:10px;padding:12px 14px}
.tpost::before{content:"";position:absolute;left:-27px;top:16px;width:14px;height:14px;border-radius:50%;background:var(--tomato);border:2px solid var(--bg)}
.thread.is-sample .tpost{border-style:dashed;opacity:.8}
.tpost-text{white-space:pre-wrap;margin:0 0 8px;overflow-wrap:anywhere}
.tpost-foot{display:flex;gap:14px;align-items:center;font:600 .78rem var(--mono);color:var(--soft)}
.tpost-foot .copy-msg{margin:0}

/* notes */
.notes{padding:30px 16px 0}
.notes-in{max-width:1220px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.notes-in.single{display:block}
.notes-in.single>*{max-width:900px}
.notes p{max-width:62ch}
.table-scroll{overflow-x:auto;background:var(--surface);border:2px solid var(--ink);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:.95rem}
caption{text-align:left;font:600 .78rem var(--mono);text-transform:uppercase;letter-spacing:.08em;padding:12px 14px 4px;color:var(--tomato)}
th,td{padding:9px 14px;border-bottom:1px solid var(--grid-strong);text-align:left;vertical-align:top}
th{font-weight:600}
tr:last-child td{border-bottom:0}
.guide-list{margin:0;padding:0;list-style:none;counter-reset:g}
.guide-list li{counter-increment:g;display:grid;grid-template-columns:48px 1fr;column-gap:8px;padding:12px 0;border-bottom:1px dashed var(--grid-strong)}
.guide-list li::before{content:"§" counter(g);grid-row:span 2;font:600 1rem var(--mono);color:var(--tomato)}
.guide-list a{font:800 1.18rem var(--head);letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.guide-list a:hover{text-decoration:underline;color:var(--tomato)}
.guide-list span{color:var(--soft);font-size:.95rem}
.qa{margin:0}
.qa dt{font-weight:600;margin-top:16px;padding-left:14px;border-left:4px solid var(--lime)}
.qa dd{margin:4px 0 0;padding-left:18px;color:var(--soft);max-width:70ch}
.fine{font-size:.85rem;color:var(--soft);margin-top:22px}

/* path */
.path ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:20px 0 0;font:400 .75rem var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--soft)}
.path li+li::before{content:"/";margin-right:6px;color:var(--tomato)}
.path a{color:var(--soft)}

/* guide pages */
.column{max-width:760px;margin:0 auto;padding:0 16px}
.column.wide{max-width:1180px}
.guide{background:var(--surface);border:2px solid var(--ink);border-radius:12px;padding:28px 34px 34px;margin-top:14px;box-shadow:6px 6px 0 var(--ink)}
.kick{font:600 .75rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--tomato);margin:0 0 10px}
.guide h1{font-size:clamp(2rem,4.6vw,3rem);margin:0 0 12px}
.byline{color:var(--soft);font-size:.9rem;margin:0 0 18px}
.answer{background:var(--lime);color:#14213d;border-radius:8px;padding:12px 16px;margin-bottom:8px}
.answer p{margin:0}
.answer-label{font:600 .72rem var(--mono)!important;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px!important}
.contents{margin:18px 0 0;border:2px dashed var(--grid-strong);border-radius:8px;padding:8px 14px}
.contents summary{cursor:pointer;font:600 .82rem var(--mono);text-transform:uppercase;letter-spacing:.06em}
.contents ol{margin:8px 0 4px;padding-left:22px}
.body{counter-reset:h}
.body h2{font-size:1.65rem;margin:1.9em 0 .5em;counter-increment:h}
.body h2::before{content:counter(h,decimal-leading-zero);display:block;font:600 .8rem var(--mono);color:var(--tomato);letter-spacing:.06em;margin-bottom:4px}
.body h2#questions::before{content:"FAQ"}
.body h3{font-size:1.25rem;margin:1.5em 0 .4em}
.body li{margin:.35em 0}
.body code{font-size:.82em;background:var(--grid);padding:2px 6px;border-radius:4px;overflow-wrap:anywhere}
.body pre{background:var(--bg);border:2px solid var(--grid-strong);border-left:5px solid var(--blue);border-radius:8px;padding:12px 14px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:.85rem;line-height:1.6}
.body pre code{background:none;padding:0;font-size:inherit}
.body blockquote{margin:1.2em 0;padding:4px 16px;border-left:4px solid var(--tomato);color:var(--soft)}
.body .table-scroll{margin:1.2em 0;border-width:1px}
.page-h{margin-top:4px!important}
.tryit{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:34px;padding:16px 18px;border:2px solid var(--ink);border-radius:10px;background:var(--tomato-bg)}
.tryit p{margin:0;max-width:46ch}
.more{margin-top:32px}
.more h2{font-size:1.4rem;margin:0 0 10px}
.more a{display:block;text-decoration:none;padding:12px 0;border-top:1px dashed var(--grid-strong);color:var(--ink)}
.more b{display:block;font-family:var(--head);font-size:1.08rem}
.more span{color:var(--soft);font-size:.92rem}
.more a:hover b{color:var(--tomato);text-decoration:underline}
.lost ul{padding-left:20px}

/* index pages */
.index-head{text-align:center;max-width:760px;margin:20px auto 26px}
.index-head h1{font-size:clamp(2.3rem,5vw,3.6rem);margin:0 0 12px}
.index-head p{color:var(--soft);font-size:1.08rem;margin:0}
.stack{display:grid;gap:16px;max-width:860px;margin:0 auto}
.row-card{display:grid;grid-template-columns:70px 1fr;gap:12px;background:var(--surface);border:2px solid var(--ink);border-radius:10px;padding:18px 22px;box-shadow:4px 4px 0 var(--ink)}
.row-no{margin:0;font:600 1.3rem var(--mono);color:var(--tomato)}
.row-card h2{font-size:1.45rem;margin:0 0 6px}
.row-card h2 a{color:var(--ink);text-decoration:none}
.row-card h2 a:hover{color:var(--tomato);text-decoration:underline}
.row-card p{margin:0;color:var(--soft)}
.row-meta{font:400 .75rem var(--mono);margin-top:8px!important;text-transform:uppercase}
.jump{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:10px}
.jump a{font:600 .8rem var(--mono);color:var(--ink);background:var(--surface);border:2px solid var(--ink);border-radius:999px;padding:6px 14px;text-decoration:none}
.jump a:hover{background:var(--lime);color:#14213d}
.fgroup{padding-top:26px}
.fgroup>h2{font-size:clamp(1.6rem,3vw,2.1rem);margin:0 0 14px;display:inline-block;background:linear-gradient(transparent 62%,var(--lime) 62%);padding:0 4px}
@media (prefers-color-scheme:dark){.fgroup>h2{background:linear-gradient(transparent 62%,#3f5317 62%)}}
.fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:18px}
.fcard{background:var(--surface);border:2px solid var(--ink);border-radius:10px;padding:18px;display:flex;flex-direction:column}
.fcard h3{font-size:1.35rem;margin:0 0 10px}
.tokens{display:flex;flex-wrap:wrap;align-items:center;gap:5px;margin-bottom:10px}
.tokens code{font-size:.72rem;font-weight:600;background:var(--tomato-bg);color:var(--ink);border:1px solid var(--tomato);padding:3px 7px;border-radius:4px}
.plus{color:var(--tomato);font-weight:600}
.f-use{margin:0 0 6px;font-size:.95rem}
.f-how p{margin:0 0 10px;color:var(--soft);font-size:.93rem}
.post{margin:auto 0 0;border:2px solid var(--grid-strong);border-radius:12px;background:var(--bg)}
.post figcaption{display:flex;justify-content:space-between;font:600 .7rem var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--soft);padding:8px 12px;border-bottom:1px solid var(--grid-strong)}
.post-n{color:var(--blue)}
.post pre{margin:0;padding:12px;white-space:pre-wrap;overflow-wrap:anywhere;font:400 .92rem/1.55 var(--body)}
.f-try{margin-top:12px;font:600 .8rem var(--mono)}

/* colophon */
.colophon{margin-top:70px;border-top:6px solid var(--tomato);background:var(--surface);padding:30px 16px 18px;font-size:.9rem}
.col-in{max-width:1220px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr;gap:30px}
.col-brand{display:flex;align-items:center;gap:10px;font:800 1.3rem var(--head);margin:0 0 8px}
.col-a p:last-child{color:var(--soft);max-width:56ch;margin:0}
.col-b{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;align-content:start}
.col-b a{color:var(--ink);font-weight:600}
.col-b a:hover{color:var(--tomato)}
.col-copy{max-width:1220px;margin:22px auto 0;font:400 .72rem var(--mono);color:var(--soft);text-transform:uppercase;letter-spacing:.04em;border-top:1px dashed var(--grid-strong);padding-top:12px}

@media (max-width:1050px){
  .bench-grid{grid-template-columns:200px minmax(0,1fr)}
  .output{grid-column:1/-1}
}
@media (max-width:760px){
  .bench-grid,.split-grid,.notes-in,.col-in{grid-template-columns:1fr}
  .picker-list{grid-template-columns:1fr 1fr}
  .guide{padding:20px 18px 24px;box-shadow:4px 4px 0 var(--ink)}
  .fgrid{grid-template-columns:1fr}
  .row-card{grid-template-columns:1fr;gap:2px}
  .tabs a{padding:8px 10px}
  body{font-size:16px}
}