/* The Little Elpier: the book's site. White paper, black ink and the cover's orange,
   with the cover's double-ruled frames. Light only, like the cover. */
@font-face{font-family:"Ultra";src:url(../fonts/Ultra-Regular.woff2?v=87126fd0d5) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Libertinus Serif";src:url(../fonts/LibertinusSerif-Regular.woff2?v=f799258a57) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Libertinus Serif";src:url(../fonts/LibertinusSerif-Italic.woff2?v=0ec0b4d761) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Libertinus Serif";src:url(../fonts/LibertinusSerif-Bold.woff2?v=b7abb76e87) format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url(../fonts/SourceSans3-Regular.woff2?v=6397062f65) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url(../fonts/SourceSans3-Semibold.woff2?v=dbd250f454) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url(../fonts/SourceSans3-Bold.woff2?v=ddb5a07215) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"JuliaMono";src:url(../fonts/JuliaMono-Regular.woff2?v=a993a6366d) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"JuliaMono";src:url(../fonts/JuliaMono-Bold.woff2?v=601120bca6) format("woff2");font-weight:700;font-display:swap}

:root{
  color-scheme:light;
  --paper:#FBFAF4;--card:#FFFFFF;--ink:#111111;--muted:#55524B;--rule:#111111;--soft:#D9D3C4;
  --orange:#E8480A;          /* the cover's orange, for fills and large type */
  --orange-ink:#B33A00;      /* the same hue dark enough for text on white */
  --code:#FFF5EC;
  --display:"Ultra","Rockwell Extra Bold","Rockwell",Georgia,serif;
  --serif:"Libertinus Serif",Georgia,"Times New Roman",serif;
  --sans:"Source Sans 3",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JuliaMono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;background:var(--paper);color:var(--ink);font:1.125rem/1.6 var(--serif)}
a{color:var(--orange-ink)}
::selection{background:var(--orange);color:#fff}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}
section.wrap.narrow{margin-left:auto;margin-right:auto}
.btn,nav,.kicker,.meta,.label,figcaption,footer,h3{font-family:var(--sans)}
h2{font:400 1.9rem/1.15 var(--display);margin:0 0 .6em;letter-spacing:.01em}
h2::after{content:"";display:block;width:64px;height:5px;background:var(--orange);margin-top:10px}
h3{font-size:1.15rem;margin:1.2em 0 .3em;font-weight:700}
.meta{color:var(--muted);font-size:.95rem}
code{font:.86em var(--mono);background:var(--code);padding:.08em .3em;border-radius:2px}
pre{background:var(--code);border:1px solid var(--ink);border-radius:2px;padding:12px 14px;overflow-x:auto;line-height:1.45;margin:.6em 0}
pre code{background:none;padding:0;font-size:.84rem}
pre .com{color:var(--muted);font-style:italic}
pre .kw{color:var(--orange-ink);font-weight:700}
pre .var{color:var(--orange-ink)}
pre .op{font-weight:700}
pre .str{color:var(--muted)}

/* header */
.top{position:sticky;top:0;z-index:5;background:var(--card);border-bottom:4px double var(--rule)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:8px 16px;flex-wrap:wrap;min-height:54px}
.brand{font:400 1.2rem var(--display);color:var(--ink);text-decoration:none;text-transform:uppercase;letter-spacing:.02em}
.brand span{color:var(--orange)}
nav{display:flex;flex-wrap:wrap;gap:4px 18px}
nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.98rem}
nav a:hover{color:var(--orange-ink);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

main section{padding:56px 0 8px}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px;align-items:center;padding-top:44px}
.kicker{text-transform:uppercase;letter-spacing:.16em;font-size:.82rem;font-weight:700;color:var(--orange-ink);margin:0}
.hero h1{font:400 clamp(2.7rem,7vw,4.6rem)/.98 var(--display);margin:.25em 0 .2em;text-transform:uppercase;letter-spacing:.01em}
.hero h1 span{display:block}
.hero h1 .the{font:700 1.05rem var(--sans);letter-spacing:.2em;margin-bottom:.2em}
.hero h1 .elpier{color:var(--orange)}
.sub{font-size:1.3rem;margin:0;line-height:1.35}
.by{font:700 1rem var(--sans);text-transform:uppercase;letter-spacing:.12em;margin:.8em 0 0}
.lead{color:var(--muted);margin:1.2em 0 0}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn{display:inline-block;padding:9px 16px;background:var(--orange);color:var(--ink);text-decoration:none;font-weight:700;font-size:1rem;border:2px solid var(--ink);border-radius:3px;box-shadow:3px 3px 0 var(--ink);cursor:pointer;transition:transform .08s,box-shadow .08s}
.btn.alt{background:var(--card)}
.btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.cover{justify-self:center;display:block;max-width:360px;width:100%;line-height:0}
.cover img{width:100%;height:auto;border:2px solid var(--ink);box-shadow:8px 8px 0 var(--ink);background:#fff}

/* about */
.about p:first-child{font:400 1.45rem/1.25 var(--display)}
.about ul{padding-left:1.2em}
.about li{margin:.25em 0}
.about li::marker{color:var(--orange)}

/* buy */
.stores{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:12px 0 8px}
.store{display:flex;flex-direction:column;gap:2px;background:var(--card);border:4px double var(--rule);padding:12px 14px;text-decoration:none;color:var(--ink);transition:box-shadow .1s}
.store strong{font:400 1.2rem var(--display);color:var(--orange)}
.store span{font-size:1rem;color:var(--muted)}
.store:hover{box-shadow:4px 4px 0 var(--orange)}
.ways{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:20px 0 8px}
.way{border:4px double var(--rule);background:var(--card);padding:4px 18px 18px}
.way.support{background:#FFF1E6;border-color:var(--ink)}
.way h3{font:400 1.2rem var(--display);margin:.8em 0 .3em}
.way.support h3{color:var(--orange-ink)}
.way p{font-size:1rem;margin:.3em 0}
.way .btns{margin-top:14px}
.open-note{font-size:1rem;margin:18px 0 0;color:var(--muted)}
.badge{display:inline-block;font:700 .75rem var(--sans);text-transform:uppercase;letter-spacing:.1em;color:var(--ink);background:var(--orange);border:2px solid var(--ink);padding:1px 7px;margin-right:6px;vertical-align:1px}
.gate-list{list-style:none;padding:0;margin:16px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px}
.gate-list li{border-left:5px solid var(--orange);background:var(--card);padding:10px 14px;font-size:1.02rem}
.gate-list strong{font-family:var(--sans)}
.cite{font-size:1rem;overflow-wrap:anywhere;margin-top:20px}

/* frames */
.cover-toggle{margin:4px 0 20px}
.frames h3{font:400 1.35rem var(--display);margin:1.6em 0 .4em}
.frame{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);border-top:1px solid var(--rule)}
.frame .q{padding:12px 20px 12px 0;border-right:1px solid var(--rule)}
.frame .a{padding:12px 0 12px 20px}
.frame p{margin:0 0 .5em}
.frame p:last-child{margin-bottom:0}
.frame.wide{grid-template-columns:1fr}
.frame.wide .q{border-right:0;padding-bottom:2px}
.frame.wide .a{padding:6px 0 12px}
.frames>.prose{border-top:1px solid var(--rule);padding:14px 0;font-style:italic}
.frames figure{margin:12px 0}
.covered .frame .a{cursor:pointer;position:relative}
.covered .frame .a>*{filter:blur(7px);user-select:none;transition:filter .2s}
.covered .frame.shown .a>*{filter:none;user-select:auto}
.covered .frame:not(.shown) .a::after{content:"show";position:absolute;right:0;top:12px;font:700 .8rem var(--sans);color:var(--orange-ink);text-transform:uppercase;letter-spacing:.08em}
.maxim{border:4px double var(--rule);padding:14px 18px;margin:20px 0;background:var(--card)}
.maxim p{margin:.2em 0}
.maxim strong{font:400 1rem var(--display);color:var(--orange);text-transform:uppercase;letter-spacing:.04em}
.aside{border-left:4px solid var(--orange);padding:4px 16px;margin:16px 0;color:var(--muted)}

figure{margin:16px 0;text-align:center}
figure img{max-width:100%;height:auto;background:#fff;padding:8px;border:1px solid var(--rule)}
figcaption{font-size:.9rem;color:var(--muted);margin-top:6px}

/* contents */
.chapters{list-style:none;padding:0;margin:16px 0}
.chapters li{display:grid;grid-template-columns:52px 1fr;gap:12px;padding:16px 0;border-top:1px solid var(--rule)}
.chapters .num{font:400 2.1rem/1 var(--display);color:var(--orange)}
.chapters h3{margin:0 0 .25em}
.chapters p{margin:0 0 .3em}

/* maxims */
.maxims ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:20px}
.maxims li{background:var(--card);border:4px double var(--rule);padding:14px 16px;display:flex;flex-direction:column}
.maxims .label{font:400 .95rem var(--display);color:var(--orange);text-transform:uppercase;letter-spacing:.04em}
.maxims li p{margin:.4em 0 .6em;flex:1}

/* code */
.setups{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:16px}
.setups>div{background:var(--card);border:4px double var(--rule);padding:4px 14px 10px}
.setups p{font-size:1rem}
.links{padding-left:1.2em}
.links li::marker{color:var(--orange)}

footer{margin-top:64px;border-top:4px double var(--rule);background:var(--card);padding:18px 0 36px;color:var(--muted);font-size:.92rem}
footer a{color:var(--ink)}
footer p{margin:.3em 0}

@media (max-width:760px){
  .hero{grid-template-columns:1fr;gap:36px;padding-top:28px}
  .cover{max-width:280px}
  main section{padding-top:40px}
}
@media (max-width:560px){
  .top{position:static}
  .frame{grid-template-columns:1fr}
  .frame .q{border-right:0;padding:12px 0 2px;font-weight:700}
  .frame .a{padding:4px 0 12px}
  .covered .frame:not(.shown) .a::after{top:4px}
  .chapters li{grid-template-columns:40px 1fr}
  .chapters .num{font-size:1.6rem}
  h2{font-size:1.6rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.covered .frame .a>*{transition:none}}