:root{
  --ground:#1B1E25;
  --panel:#21252D;
  --panel-2:#252A33;
  --type:#F3F0EA;
  --muted:#98A1AD;
  --quiet:#6E7783;
  --rule:rgba(138,147,159,.30);
  --rule-strong:rgba(138,147,159,.58);
  color-scheme: dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ground);color:var(--type);
  font-family:Lora,Georgia,'Times New Roman',serif;
  font-size:18px;line-height:1.72;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:inherit}
.track{font-family:Poppins,system-ui,sans-serif;font-weight:300;letter-spacing:.26em;text-transform:uppercase}
.sc{font-variant:small-caps;text-transform:lowercase;letter-spacing:.04em}
.wrap{max-width:1040px;margin:0 auto;padding-inline:22px}
.reader{max-width:660px;margin:0 auto;padding-inline:22px}

/* ---------- top bar ---------- */
.bar{
  position:sticky;top:env(safe-area-inset-top,0px);z-index:20;
  background:rgba(27,30,37,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--rule);
}
.bar-in{
  max-width:1040px;margin:0 auto;padding:13px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-family:Poppins,system-ui,sans-serif;font-weight:300;
  font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
}
.bar a{color:var(--muted);text-decoration:none}
.bar a:hover{color:var(--type)}
.bar .here{color:var(--quiet)}
.progress{position:absolute;left:0;bottom:-1px;height:1px;background:var(--type);width:0}

/* ---------- opening ---------- */
.open{
  display:grid;grid-template-columns:minmax(0,290px) minmax(0,1fr);
  gap:clamp(28px,5vw,64px);align-items:center;
  padding-block:clamp(40px,7vw,80px) clamp(30px,4vw,48px);
}
.cover{width:100%;height:auto;display:block;border:1px solid var(--rule)}
h1{font-family:Lora,serif;font-weight:400;font-size:clamp(40px,7vw,62px);line-height:1.04;margin:0;text-wrap:balance}
.sub{margin:20px 0 0;font-size:11px;color:var(--muted)}
.byline{margin:8px 0 0;font-size:11px;color:var(--quiet)}
.strap{margin:26px 0 0;font-size:clamp(18px,2.3vw,20px);line-height:1.5;max-width:32ch}
.hr{border:0;border-top:1px solid var(--rule);width:46px;margin:26px 0}
.hr.c{margin-inline:auto}

/* ---------- buttons ---------- */
.actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.btn{
  font-family:Poppins,system-ui,sans-serif;font-weight:400;
  letter-spacing:.14em;text-transform:uppercase;font-size:11.5px;
  text-decoration:none;padding:15px 26px;border:1px solid var(--type);
  color:var(--ground);background:var(--type);cursor:pointer;display:inline-block;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{background:transparent;color:var(--type)}
.btn.ghost{background:transparent;color:var(--type);border-color:var(--rule-strong)}
.btn.ghost:hover{border-color:var(--type)}
.btn:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--muted);outline-offset:3px}
.note-line{margin:16px 0 0;font-size:14px;color:var(--quiet)}

/* ---------- sections ---------- */
section{padding-block:clamp(36px,5vw,58px);border-top:1px solid var(--rule)}
.label{font-size:10.5px;color:var(--quiet);margin:0 0 24px}
.prose{max-width:62ch}
.prose p{margin:0 0 18px}
.prose p:last-child{margin-bottom:0}

/* ---------- the note ---------- */
.note{background:var(--panel);border:1px solid var(--rule);padding:clamp(26px,4vw,40px)}
.note h2{font-family:Lora,serif;font-weight:400;font-size:24px;margin:0 0 18px;line-height:1.25}
.note p{margin:0 0 16px;font-size:16.5px;line-height:1.68;color:#E4E1DB}
.note p:last-child{margin-bottom:0}

/* ---------- contents ---------- */
.toc{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.toc li{border-bottom:1px solid var(--rule)}
.toc a{
  display:grid;grid-template-columns:76px 1fr auto;gap:18px;align-items:baseline;
  padding:20px 4px;text-decoration:none;transition:background .15s ease,padding .15s ease;
}
.toc a:hover{background:var(--panel);padding-inline:14px 10px}
.toc .n{font-family:Poppins,system-ui,sans-serif;font-weight:300;font-size:10px;letter-spacing:.24em;color:var(--quiet);text-transform:uppercase}
.toc .t{font-size:21px;line-height:1.3}
.toc .len{font-family:Poppins,system-ui,sans-serif;font-weight:300;font-size:10.5px;letter-spacing:.14em;color:var(--quiet);text-transform:uppercase;white-space:nowrap}
.toc li.read .t{color:var(--muted)}
.toc li.read .len::after{content:" \00B7 read";}

/* ---------- chapter ---------- */
.ch-head{padding-block:clamp(40px,6vw,72px) clamp(24px,3vw,34px);text-align:center}
.ch-head .n{font-size:10.5px;color:var(--quiet)}
.ch-head h1{font-size:clamp(30px,5vw,44px);margin:14px 0 0;line-height:1.14}
.body p{margin:0 0 20px}
.body > p:first-of-type::first-letter{
  float:left;font-size:3.3em;line-height:.86;padding:.06em .09em 0 0;font-weight:400;
}
blockquote{
  margin:26px 0;padding:0 0 0 22px;border-left:1px solid var(--rule-strong);
}
blockquote p{font-style:italic;color:#E7E4DE;margin:0 0 10px;font-size:17.5px;line-height:1.62}
blockquote .ref{font-family:Poppins,system-ui,sans-serif;font-weight:300;font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--quiet);margin:0}
.act{background:var(--panel);border:1px solid var(--rule);padding:clamp(24px,4vw,34px);margin:40px 0 0}
.act h2{font-family:Poppins,system-ui,sans-serif;font-weight:300;font-size:10.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);margin:0 0 20px}
.act p{margin:0 0 16px;font-size:17px;line-height:1.66}
.act p:last-child{margin-bottom:0}

/* ---------- chapter nav ---------- */
.chnav{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);margin-top:clamp(44px,6vw,72px);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.chnav a{background:var(--ground);padding:26px 22px;text-decoration:none;display:flex;flex-direction:column;gap:9px;transition:background .15s ease}
.chnav a:hover{background:var(--panel)}
.chnav .dir{font-family:Poppins,system-ui,sans-serif;font-weight:300;font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--quiet)}
.chnav .t{font-size:19px;line-height:1.3}
.chnav .next{text-align:right;align-items:flex-end}
.chnav .empty{background:var(--ground)}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.card{background:var(--ground);padding:28px 26px;display:flex;flex-direction:column;gap:12px}
.card h3{font-family:Lora,serif;font-weight:400;font-size:22px;margin:0;line-height:1.22}
.card p{margin:0;font-size:15.5px;color:var(--muted);line-height:1.6}
.card a.go{
  margin-top:auto;font-family:Poppins,system-ui,sans-serif;font-size:10.5px;
  letter-spacing:.17em;text-transform:uppercase;color:var(--type);text-decoration:none;
  border-bottom:1px solid var(--rule-strong);padding-bottom:5px;align-self:flex-start;
}
.card a.go:hover{border-bottom-color:var(--type)}

/* ---------- signup ---------- */
.signup{background:var(--panel);border:1px solid var(--rule);padding:clamp(28px,4vw,44px);margin-top:clamp(40px,5vw,60px)}
.signup p{margin:0 0 18px;font-size:17px;line-height:1.66}
.signup form{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
.signup input[type=email]{
  flex:1 1 240px;background:var(--ground);border:1px solid var(--rule-strong);
  color:var(--type);font-family:Lora,serif;font-size:16px;padding:14px 16px;
}
.signup input[type=email]::placeholder{color:var(--quiet)}
.hp{position:absolute;left:-9999px}
.promise{font-size:14px;color:var(--quiet);margin:0}

/* ---------- close ---------- */
.close{text-align:center;padding-block:clamp(48px,7vw,78px)}
.close .big{font-size:clamp(28px,4.4vw,38px);line-height:1.3;margin:0}
.close .dgea{font-size:10.5px;color:var(--muted);margin:0}
.bio{max-width:52ch;margin:0 auto;color:var(--muted);font-size:15.5px;line-height:1.66;text-align:center}
footer{
  border-top:1px solid var(--rule);padding-block:26px 40px;
  display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:space-between;
  font-family:Poppins,system-ui,sans-serif;font-weight:300;
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--quiet);
}
footer a{color:var(--quiet);text-decoration:none}
footer a:hover{color:var(--type)}
.foot-links{display:flex;flex-wrap:wrap;gap:20px}

/* ---------- share ---------- */
.qr{display:block;width:100%;height:auto;max-width:260px;background:#fff;padding:10px}
.snippet{background:var(--ground);border:1px solid var(--rule);padding:20px 22px;font-size:16px;line-height:1.6}
.snippet p{margin:0 0 12px}
.snippet p:last-child{margin:0}

@media (max-width:680px){
  body{font-size:17px}
  .open{grid-template-columns:1fr;padding-block:30px 26px}
  .cover{max-width:215px;margin-inline:auto}
  .btn{flex:1 1 auto;text-align:center}
  .toc a{grid-template-columns:54px 1fr;padding:17px 2px}
  .toc .len{display:none}
  .chnav{grid-template-columns:1fr}
  .body > p:first-of-type::first-letter{font-size:2.9em}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}