:root{
  --night:#05040f;--lime:#c9f23a;--txt:#e9e5fa;--soft:#d6d1ee;--mute:#9d97c4;--line:rgba(233,229,250,.16);
  --serif:"Literata",Georgia,serif;--cond:"Oswald","Arial Narrow",sans-serif;
  --fs:1;--ease:cubic-bezier(.22,.8,.2,1)
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--night);color:var(--txt);-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:var(--serif);min-height:100vh;background:linear-gradient(180deg,#05040f 0%,#0b0920 45%,#16102f 78%,#241a36 100%) fixed}
a{color:inherit}
img{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
::selection{background:var(--lime);color:var(--night)}

/* o céu da capa */
#sky,.milky,.horizon,.tree{position:fixed;pointer-events:none}
#sky{inset:0;width:100%;height:100%;z-index:0}
.milky{inset:-25%;z-index:0;background:linear-gradient(118deg,transparent 40%,rgba(110,70,190,.16) 47%,rgba(205,180,255,.2) 50%,rgba(110,70,190,.14) 53%,transparent 60%);filter:blur(28px)}
.horizon{left:0;right:0;bottom:0;height:26vh;z-index:0;background:radial-gradient(55% 100% at 66% 100%,rgba(255,196,96,.32),rgba(201,242,58,.06) 45%,transparent 72%)}
.tree{right:8vw;bottom:0;width:min(30vw,300px);height:auto;z-index:1}

/* entrada */
.entry{position:relative;min-height:100vh;min-height:100svh;display:grid;align-items:end;overflow:hidden}
.entry picture,.cover{position:absolute;inset:0;width:100%;height:100%}
.cover{object-fit:cover;object-position:72% 50%}
.entry::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,4,15,.9) 0%,rgba(5,4,15,.55) 38%,transparent 64%),linear-gradient(0deg,rgba(5,4,15,.85) 0%,transparent 40%)}
.entry-text{position:relative;z-index:1;max-width:540px;padding:96px clamp(20px,6vw,80px) clamp(28px,8vh,72px)}
.kick{font-family:var(--cond);letter-spacing:.3em;text-transform:uppercase;font-size:12px;color:var(--mute)}
h1{font-family:var(--cond);font-weight:500;text-transform:uppercase;letter-spacing:.14em;font-size:clamp(40px,6.4vw,80px);line-height:1.02;color:var(--lime);margin:12px 0 18px}
.blurb{font-size:16px;line-height:1.7;color:var(--soft)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 22px}
.btn{display:inline-flex;align-items:center;font-family:var(--cond);letter-spacing:.2em;text-transform:uppercase;font-size:13px;padding:14px 24px;border-radius:99px;background:var(--lime);color:#0b0a1a;text-decoration:none;border:1px solid var(--lime);transition:background-color .3s,color .3s,border-color .3s}
.btn:hover{background:transparent;color:var(--lime)}
.btn.ghost{background:rgba(5,4,15,.4);color:var(--txt);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--lime);color:var(--lime)}
[hidden]{display:none!important}
.toc ol,.toc-panel ol{list-style:none}
.toc ol{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));column-gap:20px;font-family:var(--cond);letter-spacing:.12em;text-transform:uppercase;font-size:12.5px}
.toc a{display:flex;gap:12px;padding:6px 0;color:var(--mute);text-decoration:none;transition:color .25s}
.toc a:hover{color:var(--lime)}
.toc .n{color:var(--lime);min-width:2.6em}
.pdf{margin-top:18px;font-size:14px}
.pdf a{color:var(--mute)}
.pdf a:hover{color:var(--lime)}

/* livro: sem JS lê-se em contínuo */
.reader{position:relative;z-index:2}
.book{max-width:36em;margin:0 auto;padding:12vh 24px;font-size:calc(18px*var(--fs));line-height:1.75}
.sec{margin-bottom:12vh}
.cap{font-family:var(--cond);letter-spacing:.35em;text-transform:uppercase;font-size:.68em;color:var(--lime)}
.sec h2{font-family:var(--cond);font-weight:400;text-transform:uppercase;letter-spacing:.1em;font-size:1.6em;line-height:1.15;margin:.35em 0 1.1em;break-after:avoid}
.sec p{margin:0 0 1em;color:var(--soft);hyphens:auto;text-wrap:pretty}
.dedication{text-align:center;padding:10vh 0}
.dedication .big{font-style:italic;font-size:1.55em;line-height:1.45;color:var(--lime)}
.fim{font-family:var(--cond);letter-spacing:.45em;text-align:center;color:var(--mute);margin-top:1.6em}
.end{text-align:center}
.end-text{color:var(--mute)}
.end-links{list-style:none;display:grid;gap:.4em;margin-top:1.2em;font-family:var(--cond);letter-spacing:.18em;text-transform:uppercase;font-size:.75em}
.end-links a{color:var(--lime)}
.bar,.edge,.status,.toc-panel{display:none}

/* com JS: entrada até se abrir o leitor */
.js .reader{display:none}
.js.reading .entry{display:none}
.js.reading .reader{position:fixed;inset:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto;z-index:2;touch-action:pan-y}
.js .bar{display:flex;align-items:center;gap:8px;padding:14px clamp(14px,4vw,40px);font-family:var(--cond);letter-spacing:.16em;text-transform:uppercase;font-size:12px;color:var(--mute)}
.where{flex:1;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.icon{min-width:42px;height:40px;padding:0 12px;border-radius:99px;border:1px solid var(--line);background:rgba(5,4,15,.45);color:var(--txt);font-family:var(--cond);letter-spacing:.1em;font-size:13px;cursor:pointer;transition:border-color .25s,color .25s}
.icon:hover{border-color:var(--lime);color:var(--lime)}
.js .viewport{position:relative;justify-self:center;width:min(calc(100vw - 40px),34em);height:100%;overflow:hidden;font-size:calc(18px*var(--fs));touch-action:pan-y}
.js .book{position:absolute;inset:0;max-width:none;margin:0;padding:0;font-size:1em}
.js .sec{position:absolute;top:0;left:0;width:var(--pw);height:100%;margin:0;column-width:var(--pw);column-gap:var(--gap);column-fill:auto;visibility:hidden;opacity:0}
.js .sec.on{visibility:visible;opacity:1;transition:opacity .35s}
.js .sec.anim{transition:transform .5s var(--ease),opacity .35s}
.js .sec.dedication{display:flex;align-items:center;justify-content:center;column-width:auto;padding:0}
.js .sec.end{display:flex;flex-direction:column;justify-content:center;column-width:auto}
.js .edge{position:fixed;top:72px;bottom:64px;width:15vw;min-width:48px;display:flex;align-items:center;background:none;border:0;color:var(--mute);font-size:30px;cursor:pointer;z-index:3}
.js .edge.prev{left:0;justify-content:flex-start;padding-left:2vw}
.js .edge.next{right:0;justify-content:flex-end;padding-right:2vw}
.js .edge:hover,.js .edge:focus-visible{color:var(--lime);outline:none}
.js .status{display:flex;align-items:center;gap:16px;padding:12px clamp(14px,4vw,40px) 18px;font-family:var(--cond);letter-spacing:.2em;font-size:12px;color:var(--mute);font-variant-numeric:tabular-nums}
.progress{flex:1;height:1px;background:var(--line);overflow:hidden}
.progress i{display:block;height:100%;background:var(--lime);transform:scaleX(0);transform-origin:0 50%;transition:transform .4s var(--ease)}
.js .toc-panel:not([hidden]){display:block;position:fixed;top:68px;bottom:58px;left:0;width:min(360px,86vw);padding:22px 24px;background:rgba(8,6,22,.95);border-right:1px solid var(--line);overflow:auto;z-index:5}
.toc-panel ol{display:grid;gap:4px;font-family:var(--cond);letter-spacing:.12em;text-transform:uppercase;font-size:13px}
.toc-panel a{display:block;padding:8px 0;color:var(--mute);text-decoration:none}
.toc-panel a:hover,.toc-panel a[aria-current="true"]{color:var(--lime)}

@media (max-width:760px){
  .entry picture{inset:0 0 auto 0;height:62svh}
  .cover{object-position:80% 40%}
  .entry::after{background:linear-gradient(180deg,transparent 0,transparent 30svh,rgba(5,4,15,.85) 52svh,var(--night) 62svh)}
  .entry-text{padding-top:54svh}
  .js .edge span{opacity:0}
  .tree{width:46vw;right:-4vw}
  .js .bar{gap:6px}
  .icon{min-width:38px;padding:0 10px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* afinação: capa mais calma e páginas mais legíveis */
.entry{align-items:center}
.entry-text{max-width:clamp(440px,32vw,600px);padding-top:72px;padding-bottom:72px}
.kick{color:var(--lime)}
h1{font-size:clamp(32px,2.7vw,58px);letter-spacing:.06em;color:#f4f1ff;margin:10px 0 22px;white-space:nowrap}
.quote{margin:0 0 20px;padding-left:16px;border-left:2px solid var(--lime)}
.quote p{font-style:italic;font-size:clamp(18px,1.25vw,23px);line-height:1.55;color:#f1edff}
.blurb{font-size:clamp(16px,1vw,18px);line-height:1.65;color:var(--soft);max-width:46ch}
.meta{margin-top:14px;font-family:var(--cond);letter-spacing:.18em;text-transform:uppercase;font-size:12px;color:var(--mute)}
.actions{margin:24px 0 16px}
.toc summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:10px;padding:6px 0;font-family:var(--cond);letter-spacing:.16em;text-transform:uppercase;font-size:12.5px;color:var(--soft)}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"+";color:var(--lime);font-size:17px;line-height:1}
.toc[open] summary::after{content:"\2212"}
.toc summary:hover{color:var(--lime)}
.toc ol{grid-template-columns:1fr;margin-top:8px;border-top:1px solid var(--line);font-family:var(--serif);letter-spacing:0;text-transform:none;font-size:15px}
.toc a{padding:9px 0;border-bottom:1px solid var(--line);color:var(--soft)}
.toc .n{font-family:var(--cond);font-size:12px;letter-spacing:.1em;padding-top:3px}
.pdf a{text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:2px}
.pdf a:hover{border-color:var(--lime)}

.sec h2{font-size:1.45em;color:#f4f1ff;margin:.3em 0 1em}
.sec p:not([class]){margin:0;text-indent:1.4em;color:#e4dff3;line-height:1.8}
.sec h2+p:not([class]){text-indent:0}
.sec h2+p:not([class])::first-letter{float:left;font-family:var(--cond);font-weight:500;font-size:3.4em;line-height:.82;margin:.06em .1em 0 0;color:var(--lime)}
.js .viewport{background:rgba(7,6,20,.8);box-shadow:0 0 0 clamp(14px,3vw,40px) rgba(7,6,20,.8)}

@media (max-width:760px){
  .entry{align-items:end}
  .entry-text{padding-top:54svh;padding-bottom:40px}
  h1{white-space:normal;font-size:34px}
  .quote p{font-size:17px}
}

/* movimento: só para quem não pediu menos movimento */
@media (prefers-reduced-motion:no-preference){
  /* capa: entra como num filme e mexe ligeiramente com o rato */
  .entry picture{transform:translate3d(calc(var(--mx,0)*-14px),calc(var(--my,0)*-10px),0) scale(1.04);transition:transform 1.2s var(--ease)}
  .cover{animation:coverIn 2.4s var(--ease) both,coverDrift 26s ease-in-out 2.4s infinite alternate}
  .entry-text>*{animation:rise .9s var(--ease) both}
  .entry-text>:nth-child(1){animation-delay:.45s}
  .entry-text>:nth-child(2){animation-delay:.6s}
  .entry-text>:nth-child(3){animation-delay:.78s}
  .entry-text>:nth-child(4){animation-delay:.94s}
  .entry-text>:nth-child(5){animation-delay:1.06s}
  .entry-text>:nth-child(6){animation-delay:1.18s}
  .entry-text>:nth-child(7){animation-delay:1.3s}
  .entry-text>:nth-child(8){animation-delay:1.4s}
  .milky{animation:milkyDrift 40s ease-in-out infinite alternate}
  .horizon{animation:horizonPulse 9s ease-in-out infinite alternate}

  /* botões */
  .btn{position:relative;overflow:hidden;isolation:isolate;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background-color .3s,color .3s,border-color .3s}
  .btn:hover{transform:translateY(-2px)}
  .btn:active{transform:translateY(0) scale(.98)}
  #start{animation:breathe 3.2s ease-in-out 2.4s infinite}
  #start:hover{background:#d9ff5c;color:#0b0a1a;box-shadow:0 10px 30px -8px rgba(201,242,58,.6)}
  #start::before{content:"";position:absolute;top:0;bottom:0;left:-45%;width:30%;z-index:-1;background:linear-gradient(100deg,transparent,rgba(255,255,255,.7),transparent);transform:skewX(-20deg);transition:left .75s var(--ease)}
  #start:hover::before{left:125%}
  #start::after{content:"\2192";display:inline-block;margin-left:10px;transition:transform .35s var(--ease)}
  #start:hover::after{transform:translateX(5px)}
  .btn.ghost::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--lime);transform:scaleX(0);transform-origin:0 50%;transition:transform .45s var(--ease)}
  .btn.ghost:hover{color:#0b0a1a;border-color:var(--lime)}
  .btn.ghost:hover::after{transform:scaleX(1)}

  /* índice e links */
  .toc summary::after{transition:transform .35s var(--ease)}
  .toc[open] summary::after{transform:rotate(180deg)}
  .toc[open] li{animation:rise .5s var(--ease) both}
  .toc[open] li:nth-child(2){animation-delay:.04s}
  .toc[open] li:nth-child(3){animation-delay:.08s}
  .toc[open] li:nth-child(4){animation-delay:.12s}
  .toc[open] li:nth-child(5){animation-delay:.16s}
  .toc[open] li:nth-child(6){animation-delay:.2s}
  .toc[open] li:nth-child(7){animation-delay:.24s}
  .toc[open] li:nth-child(8){animation-delay:.28s}
  .toc[open] li:nth-child(9){animation-delay:.32s}
  .toc[open] li:nth-child(10){animation-delay:.36s}
  .toc a,.toc-panel a{transition:color .25s,padding-left .3s var(--ease)}
  .toc a:hover,.toc-panel a:hover{padding-left:8px}
  .pdf a{background:linear-gradient(var(--lime),var(--lime)) 0 100%/0 1px no-repeat;transition:background-size .45s var(--ease),border-color .3s}
  .pdf a:hover{background-size:100% 1px}

  /* leitor */
  .icon{transition:border-color .25s,color .25s,transform .3s var(--ease)}
  .icon:hover{transform:translateY(-1px)}
  .js .edge span{display:inline-block;transition:transform .3s var(--ease)}
  .js .edge.next:hover span{transform:translateX(5px)}
  .js .edge.prev:hover span{transform:translateX(-5px)}
  .js .viewport::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;background:linear-gradient(100deg,transparent 30%,rgba(233,229,250,.09) 50%,transparent 70%)}
  .js .viewport.turn-next::after{animation:sheenNext .75s var(--ease)}
  .js .viewport.turn-prev::after{animation:sheenPrev .75s var(--ease)}
  .js .sec.on{animation:secIn .7s var(--ease)}
  .js .sec.dedication.on .big{animation:dawn 2.6s var(--ease) both}
}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes coverIn{from{opacity:0;transform:scale(1.12)}to{opacity:1;transform:scale(1)}}
@keyframes coverDrift{to{transform:scale(1.05)}}
@keyframes milkyDrift{to{transform:translate3d(2%,1%,0) rotate(1deg)}}
@keyframes horizonPulse{to{opacity:.65}}
@keyframes breathe{0%,100%{box-shadow:0 0 0 0 rgba(201,242,58,0)}50%{box-shadow:0 0 30px 2px rgba(201,242,58,.38)}}
@keyframes sheenNext{0%{opacity:1;transform:translateX(110%)}100%{opacity:0;transform:translateX(-110%)}}
@keyframes sheenPrev{0%{opacity:1;transform:translateX(-110%)}100%{opacity:0;transform:translateX(110%)}}
@keyframes secIn{from{opacity:0;translate:0 12px}}
@keyframes dawn{from{opacity:0;letter-spacing:.12em;filter:blur(6px)}to{opacity:1;letter-spacing:0;filter:none}}

/* camadas da capa: imagem por baixo, céu animado (estrelas e cadentes) por cima, texto por cima de tudo */
.entry picture{z-index:1}
.entry::after{z-index:1}
#sky{z-index:2}
.entry-text{z-index:3}