/* =========================================================
   VENDE-SE — O que nenhum curso de oratória te ensina
   Direção: a capa do livro. Preto, dourado e branco.
   O dourado (#B09030) foi medido nos pixels da capa.png.
   Bricolage Grotesque + Geist + Geist Mono.

   O ritmo da página não vem mais de alternar claro e escuro,
   e sim de quatro profundidades de preto: --void, --ink,
   --ink-2, --ink-3. Escuro não é o fundo de algumas seções,
   é o material da página inteira.
   ========================================================= */

:root{
  /* pretos, do mais fundo ao mais elevado */
  --void:#060607;
  --ink:#0B0B0D;
  --ink-2:#131316;
  --ink-3:#1B1B20;

  /* o dourado da capa */
  --gold:#B09030;
  --gold-hi:#E3C46A;
  --gold-deep:#7C6320;

  /* os claros — agora são tinta, não fundo */
  --paper:#F2EFE7;
  --paper-2:#FFFFFF;
  --slate:#8C8A92;
  --slate-2:#B6B4BC;

  --hair:1px solid rgba(242,239,231,.14);
  --hair-i:1px solid rgba(242,239,231,.09);

  --pad:clamp(1.15rem,4.5vw,4.5rem);
  --gap:clamp(4rem,10vw,9rem);

  --disp:"Bricolage Grotesque","Geist",system-ui,sans-serif;
  --body:"Geist",system-ui,-apple-system,sans-serif;
  --mono:"Geist Mono",ui-monospace,monospace;

  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip;background:var(--ink)}
body{
  margin:0;background:var(--ink);color:var(--paper);
  font-family:var(--body);
  font-size:clamp(1rem,.95rem + .28vw,1.1rem);
  line-height:1.55;letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;overflow-x:clip;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

.skip{position:absolute;left:-9999px;top:0;background:var(--gold);color:var(--ink);padding:.6rem 1rem;z-index:99}
.skip:focus{left:0}

.wrap{width:100%;max-width:1240px;margin-inline:auto;padding-inline:var(--pad)}
.wrap--col{max-width:820px}

/* grão — em fundo preto são os pixels claros do ruído que aparecem,
   então a opacidade sobe um pouco. Sem mix-blend-mode de propósito:
   num elemento fixo de tela cheia ele recomporia a página a cada
   quadro de rolagem, e aqui tem três animações presas ao scroll. */
.grain{
  position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.07;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- tipografia ---------- */
.label{
  font-family:var(--mono);font-weight:700;font-size:.75rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--slate);
  margin:0 0 1.2rem;display:flex;align-items:center;gap:.55rem;
}
.label--center{justify-content:center}
.label--live{color:var(--paper-2)}

.tally{
  width:7px;height:7px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 0 rgba(176,144,48,.6);
  animation:tally 2.4s ease-out infinite;flex:0 0 auto;
}
@keyframes tally{0%{box-shadow:0 0 0 0 rgba(176,144,48,.55)}70%{box-shadow:0 0 0 9px rgba(176,144,48,0)}100%{box-shadow:0 0 0 0 rgba(176,144,48,0)}}

.h2{
  font-family:var(--disp);
  font-variation-settings:"wdth" 100,"opsz" 48;
  font-weight:700;font-size:clamp(2rem,5vw,3.4rem);
  line-height:.98;letter-spacing:-.035em;margin:0 0 1.3rem;
  color:var(--paper-2);
}
.h2--big{font-size:clamp(2.4rem,7vw,5rem);letter-spacing:-.042em}
.lead{font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--slate-2);max-width:56ch;margin:0 0 1.4rem}
.lead b,.prose b{font-weight:600;color:var(--paper-2)}
.live{color:var(--gold)}
.sec{padding-block:var(--gap)}

/* ---------- botões ---------- */
.btn{
  --bg:var(--gold);--fg:var(--ink);
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.45ch;
  font-family:var(--body);font-weight:600;font-size:.95rem;letter-spacing:-.01em;
  padding:1rem 1.7rem;border-radius:999px;text-decoration:none;
  background:var(--bg);color:var(--fg);border:1px solid var(--bg);
  overflow:hidden;isolation:isolate;
  transition:transform .35s var(--ease),color .3s var(--ease);
}
.btn::before{
  content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;
  background:var(--gold-hi);transform:translateY(101%);
  transition:transform .45s var(--ease);
}
.btn:hover{transform:translateY(-2px);color:var(--ink)}
.btn:hover::before{transform:translateY(0)}
.btn--live{--bg:var(--gold);--fg:var(--ink)}
.btn--line{--bg:transparent;--fg:var(--paper);border-color:rgba(242,239,231,.26)}
.btn--sm{padding:.6rem 1.1rem;font-size:.84rem}
.btn--lg{padding:1.2rem 2rem;font-size:1.02rem;width:100%}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:1.4rem;
  padding:.8rem var(--pad);
  background:rgba(11,11,13,.74);backdrop-filter:blur(16px) saturate(1.4);
  border-bottom:var(--hair);
}
.nav__brand{
  display:flex;align-items:center;gap:.55rem;text-decoration:none;
  font-family:var(--disp);font-weight:700;font-size:.95rem;letter-spacing:-.02em;
  color:var(--paper-2);
}
/* O nome do livro ao lado do autor. Encolhe em degraus: a frase
   inteira só em tela larga, depois só o VENDE-SE, e no celular some —
   lá o espaço é do nome e do botão de compra. */
.nav__book{
  font-family:var(--mono);font-size:.75rem;font-weight:500;letter-spacing:.06em;
  color:var(--slate);white-space:nowrap;
  padding-left:.75rem;border-left:var(--hair);
}
.nav__book b{color:var(--gold);font-weight:500}
.nav__book i{font-style:normal}
.nav__tc{font-family:var(--mono);font-weight:700;font-size:.75rem;color:var(--slate);letter-spacing:.06em}
.nav__links{display:flex;gap:1.4rem;margin-left:auto}
.nav__links a{font-size:.88rem;color:var(--slate-2);text-decoration:none;transition:color .2s}
.nav__links a:hover{color:var(--gold)}
.nav .btn{margin-left:0}
.nav__links ~ .btn{margin-left:.4rem}

/* ---------- hero ---------- */
.hero{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
  gap:clamp(2rem,5vw,4rem);align-items:end;
  max-width:1340px;margin-inline:auto;
  padding:clamp(2.5rem,6vw,5rem) var(--pad) clamp(3rem,7vw,6rem);
}
.kinetic{margin:0 0 1.6rem;display:flex;flex-direction:column;gap:.02em}
.kinetic__l{
  font-family:var(--disp);
  font-weight:800;
  font-size:clamp(2.9rem,9.2vw,8rem);
  line-height:.85;letter-spacing:-.05em;
  font-variation-settings:"wdth" 100,"opsz" 96;
  animation:breathe 7s var(--ease) infinite;
  animation-delay:calc(var(--k) * .45s);
  transform-origin:left center;
  color:var(--paper-2);
}
@keyframes breathe{
  0%,100%{font-variation-settings:"wdth" 96,"opsz" 96}
  50%{font-variation-settings:"wdth" 100,"opsz" 96}
}
.kinetic__l--live{color:var(--gold)}
.hero__deck{font-size:clamp(1.02rem,1.5vw,1.2rem);color:var(--slate-2);max-width:52ch;margin:0 0 1.9rem}
/* o nome do livro agora é a frase inteira, longa demais para caber
   numa linha só. O nowrap que existia aqui estourava a largura. */
.hero__deck b{font-weight:600;color:var(--paper-2)}
.cta-row{display:flex;flex-wrap:wrap;gap:.65rem;margin-bottom:1rem}
.hero__fine{margin:0;font-family:var(--mono);font-weight:700;font-size:.76rem;letter-spacing:.08em;color:var(--slate)}

.hero__book{margin:0;position:relative}
/* capa fixa, sem inclinação e sem balanço no hover.
   Só a luz do filete responde ao mouse — a imagem não se mexe. */
.hero__book img{
  width:100%;border-radius:4px;
  box-shadow:0 40px 70px -30px rgba(0,0,0,.9),0 0 0 1px rgba(242,239,231,.12);
  transition:box-shadow .6s var(--ease);
}
.hero__book:hover img{
  box-shadow:0 40px 70px -30px rgba(0,0,0,.95),0 0 0 1px rgba(176,144,48,.45);
}
.hero__book figcaption{margin-top:1rem;justify-content:flex-end}

/* ---------- fader ---------- */
.mixer{
  background:var(--ink-2);color:var(--paper);
  padding:clamp(3rem,7vw,6rem) var(--pad);
  border-radius:clamp(18px,3vw,34px);
  margin:0 var(--pad) var(--gap);
  max-width:1340px;margin-inline:auto;
  border:var(--hair-i);
}
.mixer .label{color:var(--slate)}
.mixer__head{max-width:640px;margin-bottom:clamp(2rem,4vw,3rem)}
.mixer .h2{color:var(--paper-2)}
.mixer__line{
  font-family:var(--disp);
  font-size:clamp(1.5rem,4.2vw,3.1rem);
  line-height:1.14;letter-spacing:-.035em;font-weight:500;
  margin:0 0 clamp(2rem,4vw,3rem);
  min-height:3.5em;
  font-variation-settings:"wdth" var(--wd,78),"opsz" 40;
  transition:font-variation-settings .5s var(--ease),color .5s var(--ease);
  color:var(--slate);
}
.mixer__line span{transition:color .4s var(--ease)}
.mixer__line span.on{color:var(--gold-hi)}
.mixer__line.hot{color:var(--paper-2)}

.fader{max-width:720px}
.fader__scale{
  display:flex;justify-content:space-between;
  font-family:var(--mono);font-weight:700;font-size:.75rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--slate);margin-bottom:.7rem;
}
#fader{
  -webkit-appearance:none;appearance:none;width:100%;height:44px;background:transparent;cursor:grab;
}
#fader:active{cursor:grabbing}
#fader::-webkit-slider-runnable-track{
  height:2px;background:rgba(242,239,231,.22);border-radius:2px;
}
#fader::-moz-range-track{height:2px;background:rgba(242,239,231,.22);border-radius:2px}
#fader::-webkit-slider-thumb{
  -webkit-appearance:none;width:20px;height:44px;margin-top:-21px;border-radius:4px;
  background:var(--gold);box-shadow:0 0 0 0 rgba(176,144,48,.4);
  transition:box-shadow .25s,background .25s;
}
#fader::-moz-range-thumb{
  width:20px;height:44px;border:0;border-radius:4px;background:var(--gold);
}
#fader:hover::-webkit-slider-thumb{box-shadow:0 0 0 8px rgba(176,144,48,.2)}
.fader__read{margin:.4rem 0 0;display:flex;align-items:baseline;flex-wrap:wrap;gap:.7rem}
.fader__read .label{margin:0}
.fader__read b{font-family:var(--disp);font-size:1.15rem;font-weight:700;letter-spacing:-.02em;color:var(--paper-2)}
/* A instrução do fader. Antes era uma etiqueta pequena dizendo
   "arrasta o fader" — palavra que só quem é de áudio ou TV entende.
   Agora diz o gesto em linguagem de gente, e em tamanho que se vê. */
.fader__call{
  margin:0 0 1.1rem;font-family:var(--disp);font-weight:700;
  font-size:clamp(1.15rem,2.4vw,1.6rem);letter-spacing:-.025em;
  color:var(--gold-hi);
}
.mixer__note{
  margin:clamp(2rem,4vw,3rem) 0 0;max-width:52ch;color:var(--slate-2);
  font-size:clamp(1.04rem,1.5vw,1.18rem);line-height:1.5;
}
.mixer__note i{color:var(--gold-hi);font-style:normal;font-family:var(--mono);font-weight:700;font-size:.9em}

/* ---------- marquee ---------- */
.marq{padding-block:clamp(2.5rem,5vw,4rem);border-block:var(--hair);overflow:hidden}
.marq__track{overflow:hidden;padding-block:.4rem}
.marq__row{display:flex;gap:2.2rem;width:max-content;animation:slide 46s linear infinite}
.marq__row span{
  font-family:var(--disp);font-weight:700;
  font-size:clamp(1.6rem,4.4vw,3.2rem);letter-spacing:-.035em;
  text-transform:lowercase;color:var(--gold);
  position:relative;white-space:nowrap;
}
/* a linha branca fina é o argumento da seção: estas palavras estão
   cortadas fora da página. Sem ela, o dourado sozinho parece elogio. */
.marq__row span::after{
  content:"";position:absolute;left:-.04em;right:-.04em;top:52%;
  height:1.5px;background:rgba(242,239,231,.9);
}
@keyframes slide{to{transform:translateX(-50%)}}
.marq__cap{
  margin:1.6rem auto 0;max-width:58ch;text-align:center;color:var(--slate);font-size:.95rem;
  padding-inline:var(--pad);
}

/* ---------- sintomas ---------- */
.sec--sym .lead{margin-bottom:clamp(2.5rem,5vw,4rem)}
.syms{list-style:none;margin:0;padding:0;display:grid;gap:0}
.sym{
  display:grid;grid-template-columns:6.5rem minmax(0,1fr) minmax(0,1.1fr);
  gap:1.6rem;padding:1.8rem 0;border-top:var(--hair);align-items:start;
  transition:background .3s var(--ease);
}
.syms .sym:last-child{border-bottom:var(--hair)}
.sym__n{font-family:var(--mono);font-weight:700;font-size:.75rem;letter-spacing:.14em;color:var(--gold);padding-top:.35rem}
.sym h3{
  font-family:var(--disp);font-weight:600;font-size:clamp(1.1rem,2vw,1.45rem);
  letter-spacing:-.025em;margin:0;line-height:1.15;color:var(--paper-2);
}
.sym p{margin:0;color:var(--slate);font-size:.99rem}

/* ---------- teste ---------- */
.quiz{background:var(--ink-2);padding-block:var(--gap);border-block:var(--hair)}
.quiz__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:start}
.quiz__score{display:flex;align-items:baseline;gap:.6rem;margin:2rem 0 .6rem}
.quiz__num{
  font-family:var(--disp);font-weight:800;font-size:clamp(3.5rem,9vw,6rem);
  line-height:.8;letter-spacing:-.05em;color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.quiz__of{font-family:var(--mono);font-weight:700;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}
.quiz__verdict{margin:0;font-size:1.05rem;color:var(--paper-2);max-width:34ch;min-height:3.2em}
.quiz__items{display:grid;gap:.55rem}
/* cada item é uma linha só: a muleta entre aspas. A explicação
   dela aparece na coluna da esquerda quando a pessoa marca. */
.tick{
  display:flex;align-items:center;gap:.9rem;cursor:pointer;
  padding:1rem 1.2rem;background:var(--ink-3);border:var(--hair-i);border-radius:12px;
  transition:border-color .25s,transform .25s var(--ease),background .25s;
}
.tick:hover{transform:translateX(4px);border-color:rgba(242,239,231,.28)}
.tick input{
  appearance:none;-webkit-appearance:none;margin:0;flex:0 0 auto;
  width:20px;height:20px;border:1.5px solid rgba(242,239,231,.32);border-radius:6px;
  display:grid;place-content:center;transition:background .2s,border-color .2s;
}
.tick input::after{
  content:"";width:10px;height:6px;margin-top:-3px;
  border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);
  transform:rotate(-45deg) scale(0);transition:transform .2s var(--ease);
}
.tick input:checked{background:var(--gold);border-color:var(--gold)}
.tick input:checked::after{transform:rotate(-45deg) scale(1)}
.tick span{font-size:1rem;font-weight:600;color:var(--paper-2)}
.tick:has(input:checked){background:rgba(176,144,48,.12);border-color:var(--gold)}

/* ---------- história ---------- */
.story{padding-block:var(--gap)}
.prose p{margin:0 0 1.15rem;color:var(--slate-2);font-size:clamp(1.02rem,1.4vw,1.14rem)}
.prose em{font-style:italic;color:var(--gold-hi)}
.quote{margin:2.6rem 0;padding:0}
.quote blockquote{
  margin:0;font-family:var(--disp);font-weight:500;
  font-size:clamp(1.4rem,3.2vw,2.3rem);line-height:1.12;letter-spacing:-.035em;
  border-left:3px solid var(--gold);padding-left:1.4rem;color:var(--paper-2);
}

.stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  border-top:var(--hair);border-bottom:var(--hair);
  margin-block:clamp(3rem,6vw,5rem);
}
.stat{padding:1.8rem 1.4rem}
.stat + .stat{border-left:var(--hair)}
.stat b{
  display:block;font-family:var(--disp);font-weight:800;
  font-size:clamp(1.9rem,4vw,3rem);line-height:.9;letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;margin-bottom:.6rem;color:var(--paper-2);
}
.stat span{font-size:.88rem;color:var(--slate);line-height:1.35;display:block;max-width:22ch}

.dialog{margin:0}
.dialog__set{margin:0 0 .8rem;color:var(--slate);font-size:.98rem}
.dialog blockquote{
  margin:0 0 1.6rem;font-family:var(--disp);font-weight:600;
  font-size:clamp(1.4rem,3.6vw,2.6rem);line-height:1.06;letter-spacing:-.04em;
  display:flex;gap:.4em;color:var(--paper-2);
}
.dialog blockquote span{color:var(--gold)}
.dialog__punch{color:var(--gold)}

.band{margin:clamp(3rem,6vw,5rem) 0 0;position:relative;background:var(--gold)}
.band img{
  width:100%;max-height:460px;object-fit:cover;object-position:center 30%;
  mix-blend-mode:multiply;
  filter:grayscale(1) brightness(1.4) contrast(.92);
}

/* ---------- a pausa ---------- */
.pause{height:240vh;background:var(--void);color:var(--paper);position:relative}
.pause__stick{
  position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.2rem;
  padding:var(--pad);text-align:center;
}
.pause__l{
  margin:0;font-family:var(--disp);font-weight:500;
  font-size:clamp(1.3rem,3.6vw,2.6rem);line-height:1.1;letter-spacing:-.035em;
  opacity:0;transform:translateY(18px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  max-width:20ch;color:var(--paper-2);
}
.pause__l.on{opacity:1;transform:none}
.pause__l--5{font-size:clamp(1.1rem,2.4vw,1.6rem)}
.pause__l--5 i{font-family:var(--mono);font-weight:700;font-style:normal;font-size:.72em;letter-spacing:.14em;color:var(--slate)}

/* ---------- VTC ---------- */
.vtc{padding-block:var(--gap)}
.vtc__grid{display:grid;gap:0;margin-top:1rem}
.vtc__row{
  display:grid;grid-template-columns:clamp(4rem,11vw,9rem) minmax(0,1fr);
  gap:clamp(1.2rem,3vw,2.5rem);align-items:center;
  padding:clamp(1.4rem,3vw,2.4rem) 0;border-top:var(--hair);
}
.vtc__row:last-child{border-bottom:var(--hair)}
.vtc__row b{
  font-family:var(--disp);font-weight:800;
  font-size:clamp(4rem,11vw,9rem);line-height:.75;letter-spacing:-.06em;
  color:transparent;-webkit-text-stroke:1.5px rgba(242,239,231,.55);
  transition:color .4s var(--ease),-webkit-text-stroke-color .4s var(--ease);
}
.vtc__row:hover b{color:var(--gold);-webkit-text-stroke-color:var(--gold)}
.vtc__row h3{font-family:var(--disp);font-weight:700;font-size:clamp(1.2rem,2.4vw,1.8rem);letter-spacing:-.03em;margin:0 0 .3rem;color:var(--paper-2)}
.vtc__row p{margin:0;color:var(--slate);max-width:48ch}

/* ---------- rail horizontal ---------- */
.rail{background:var(--ink-2);color:var(--paper);position:relative}
.rail__stick{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.rail__top{padding-bottom:clamp(1.5rem,3vw,2.5rem)}
.rail .label{color:var(--slate)}
.rail .h2{color:var(--paper-2);margin:0}
.rail__hint{
  margin:.9rem 0 0;font-family:var(--mono);font-weight:700;font-size:.75rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold);
}
.rail__track{display:flex;gap:1.2rem;padding-inline:var(--pad);will-change:transform}
.card{
  flex:0 0 min(78vw,360px);
  background:var(--ink-3);border:var(--hair-i);border-radius:16px;
  padding:1.8rem 1.6rem;display:flex;flex-direction:column;
  min-height:min(48vh,340px);
  transition:border-color .3s,background .3s;
}
.card:hover{border-color:rgba(176,144,48,.55);background:#232329}
.card__n{
  font-family:var(--mono);font-weight:700;font-size:.76rem;letter-spacing:.16em;color:var(--gold);margin-bottom:auto;
}
.card h3{
  font-family:var(--disp);font-weight:700;font-size:clamp(1.25rem,2.4vw,1.7rem);
  letter-spacing:-.03em;line-height:1.05;margin:1.6rem 0 .7rem;color:var(--paper-2);
}
.card p{margin:0;color:var(--slate-2);font-size:.96rem}
.nobr{white-space:nowrap}
.card--end{background:var(--gold);border-color:var(--gold);justify-content:flex-end}
.card--end h3{margin-top:auto;color:var(--ink)}
.card--end p{color:rgba(11,11,13,.82);margin-bottom:1.4rem}
.card--end .btn{--bg:var(--ink);--fg:var(--gold-hi);align-self:flex-start}

/* ---------- não é / é ---------- */
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:clamp(2rem,5vw,4rem)}
.two__t{
  font-family:var(--disp);font-weight:700;font-size:1.6rem;letter-spacing:-.03em;
  margin:0 0 1.2rem;padding-bottom:.9rem;border-bottom:2px solid var(--gold);
  color:var(--paper-2);
}
.two__t--no{color:var(--slate);border-bottom-color:rgba(242,239,231,.18)}
.list{list-style:none;margin:0;padding:0}
.list li{position:relative;padding-left:1.7rem;margin-bottom:.9rem}
.list li::before{content:"→";position:absolute;left:0;color:var(--gold);font-family:var(--mono);font-weight:700;font-size:.9rem}
.list--no li{color:var(--slate)}
.list--no li::before{content:"×";color:var(--slate)}
.tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:clamp(2.5rem,5vw,4rem)}
.tags span{
  font-family:var(--mono);font-weight:700;font-size:.78rem;letter-spacing:.02em;
  padding:.5rem .9rem;border:var(--hair);border-radius:999px;color:var(--slate-2);
  transition:border-color .25s,color .25s;
}
.tags span:hover{border-color:var(--gold);color:var(--gold)}

/* ---------- bônus ---------- */
.bonus{background:var(--gold);color:var(--ink);padding-block:var(--gap)}
/* .82 e não menos: abaixo disso o texto pequeno sobre o dourado
   cai para menos de 4,5:1 e reprova no WCAG AA */
.bonus .label{color:rgba(11,11,13,.82)}
.bonus .h2{color:var(--ink)}
.bonus .lead{color:rgba(11,11,13,.80)}
.bonus__grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:clamp(2rem,5vw,4rem);align-items:center}
.bonus__math{display:flex;align-items:baseline;flex-wrap:wrap;gap:.3rem 1rem;margin:1.8rem 0 1.6rem}
.bonus__math b{
  font-family:var(--disp);font-weight:800;
  font-size:clamp(2.2rem,5.5vw,3.4rem);line-height:.85;letter-spacing:-.045em;
  color:var(--ink);
}
.bonus__math span{
  font-family:var(--mono);font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(11,11,13,.82);
}
/* o fundo da seção é dourado, então o botão precisa ser escuro pra existir */
.bonus .btn{--bg:var(--ink);--fg:var(--gold-hi)}
.bonus__seal{margin:0;justify-self:center}
.bonus__seal .selo{
  width:min(100%,230px);
  color:var(--ink);opacity:.85;
  animation:spin 34s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- autor ---------- */
.author{padding-block:var(--gap);border-top:var(--hair)}
.author__grid{display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr);gap:clamp(2rem,5vw,4rem);align-items:center}
.author__pic{margin:0}
.author__pic img{border-radius:50%;width:100%;max-width:320px;box-shadow:0 0 0 1px rgba(242,239,231,.12)}
.author__cap{
  margin:1.1rem 0 0;max-width:320px;font-size:.86rem;line-height:1.4;color:var(--slate);
}
.author__cap i{font-style:normal;color:var(--slate-2)}
.creds{list-style:none;margin:1.6rem 0 0;padding:0}
.creds li{position:relative;padding-left:1.4rem;margin-bottom:.65rem;color:var(--slate-2);font-size:.97rem}
.creds li::before{content:"";position:absolute;left:0;top:.7em;width:.6rem;height:1px;background:var(--gold)}

/* ---------- oferta ---------- */
.offer{background:var(--ink-2);color:var(--paper);padding-block:var(--gap);border-block:var(--hair)}
.offer .label{color:var(--slate)}
.offer .h2{color:var(--paper-2)}
.offer__grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(2rem,6vw,5rem);align-items:center}
.offer__book{margin:0;justify-self:center}
.offer__book img{
  width:min(100%,330px);border-radius:4px;
  box-shadow:0 50px 80px -40px rgba(0,0,0,.95),0 0 0 1px rgba(242,239,231,.12);
}
.offer__box{background:var(--ink-3);border:var(--hair-i);border-radius:22px;padding:clamp(1.6rem,4vw,2.8rem)}
.gets{list-style:none;margin:0 0 1.8rem;padding:0}
.gets li{position:relative;padding-left:1.7rem;margin-bottom:.7rem;color:var(--slate-2);font-size:.98rem}
.gets li::before{content:"→";position:absolute;left:0;color:var(--gold);font-family:var(--mono);font-weight:700;font-size:.9rem}

.price{display:flex;align-items:baseline;flex-wrap:wrap;gap:.5rem 1rem;margin:0 0 1.3rem;padding-top:1.4rem;border-top:var(--hair-i)}
.price__old{
  font-family:var(--mono);font-weight:700;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--slate);text-decoration:line-through;text-decoration-color:var(--gold);
}
.price__now{
  font-family:var(--disp);font-weight:800;font-size:clamp(2.6rem,7vw,4rem);
  line-height:.85;letter-spacing:-.045em;color:var(--gold-hi);
}
.price__tag{font-family:var(--mono);font-weight:700;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}
.offer__fine{margin:1.1rem 0 0;font-size:.92rem;color:var(--slate-2)}
.offer__fine--mono{font-family:var(--mono);font-weight:700;font-size:.75rem;letter-spacing:.08em;color:var(--slate);text-transform:uppercase}

/* o degrau pro curso, dentro da caixa do livro */
.upsell{margin-top:1.8rem;padding-top:1.6rem;border-top:var(--hair-i)}
.upsell__t{
  margin:0 0 .4rem;font-family:var(--disp);font-weight:700;
  font-size:1.06rem;letter-spacing:-.025em;color:var(--paper-2);
}
.upsell__p{margin:0 0 1.1rem;font-size:.94rem;color:var(--slate-2)}
.upsell__p b{font-weight:600;color:var(--gold-hi)}
.upsell__p span{font-family:var(--mono);font-weight:700;font-size:.86em;letter-spacing:.04em;color:var(--slate)}

/* ---------- fecho ---------- */
.end{padding-block:var(--gap);text-align:center}
.end__lines{
  font-family:var(--disp);font-weight:500;
  font-size:clamp(1.3rem,3.6vw,2.4rem);line-height:1.24;letter-spacing:-.035em;
  margin:0 auto 1.6rem;max-width:22ch;color:var(--paper-2);
}
.end__sig{font-family:var(--mono);font-weight:700;font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;color:var(--slate);margin:0 0 2.4rem}
.end .btn{max-width:420px;margin-inline:auto}

/* ---------- footer ---------- */
/* A barra flutuante de compra é fixa na base da tela e tem ~61px de
   altura mais 1rem de afastamento. Sem esta folga ela cobre os links
   do rodapé quando a página chega ao fim. */
.foot{border-top:var(--hair);padding:2.6rem 0 7rem}
.foot__grid{display:flex;flex-wrap:wrap;align-items:center;gap:1.2rem}
.foot__brand{display:flex;align-items:center;gap:.5rem;font-family:var(--disp);font-weight:700;letter-spacing:-.02em;color:var(--paper-2)}
.foot p{margin:0;font-size:.84rem;color:var(--slate);flex:1 1 300px;line-height:1.45}
.foot__links{display:flex;flex-wrap:wrap;gap:.7rem 1.4rem;align-items:center}
.foot a{font-family:var(--mono);font-weight:700;font-size:.78rem;color:var(--paper);text-decoration:none;border-bottom:1px solid var(--gold)}

/* ---------- dock ---------- */
.dock{
  position:fixed;left:50%;bottom:1rem;transform:translate(-50%,150%);z-index:55;
  display:flex;align-items:center;gap:.9rem;
  padding:.55rem .55rem .55rem 1.2rem;border-radius:999px;
  background:rgba(27,27,32,.94);backdrop-filter:blur(14px);color:var(--paper);
  border:1px solid rgba(242,239,231,.12);
  box-shadow:0 18px 40px -18px rgba(0,0,0,.85);
  transition:transform .45s var(--ease);
  max-width:calc(100vw - 2rem);
}
.dock.on{transform:translate(-50%,0)}
.dock__t{font-size:.84rem;color:var(--slate-2);white-space:nowrap}
.dock__p{font-family:var(--disp);font-weight:700;font-size:.95rem;white-space:nowrap;color:var(--paper-2)}

/* ---------- reveal ---------- */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .rv.in{opacity:1;transform:none}

/* ---------- responsivo ---------- */
@media (max-width:1180px){
  /* some a frase longa, fica só o nome do livro */
  .nav__book i{display:none}
}
@media (max-width:1000px){
  .hero{grid-template-columns:1fr;align-items:start}
  .hero__book{order:-1;max-width:180px}
  .hero__book figcaption{justify-content:flex-start}
  .quiz__grid{grid-template-columns:1fr}
  .bonus__grid,.author__grid,.offer__grid{grid-template-columns:1fr}
  /* o selo gira, e a caixa de um quadrado girado é ~1,41x o lado.
     Sem esta folga ele encosta e é cortado na borda da tela. */
  .bonus__seal{justify-self:start;padding-inline:1.7rem}
  .bonus__seal img{width:130px}
  .author__pic img{max-width:190px}
  .offer__book img{max-width:220px}
  .sym{grid-template-columns:5.5rem minmax(0,1fr);gap:.6rem 1.2rem}
  .sym__n{grid-row:1;padding-top:.2rem}
  .sym h3,.sym p{grid-column:2}
}
@media (max-width:720px){
  .nav__links{display:none}
  .nav__book{display:none}
  .nav__tc{margin-left:auto}
  .dock{display:flex}
  .cta-row .btn{width:100%}
  .mixer{margin-inline:0;border-radius:0;border-inline:0}
  .mixer__line{min-height:4.9em}
  .foot{padding-bottom:8rem}
  .pause{height:220vh}
  .vtc__row{grid-template-columns:1fr;gap:.4rem}
  .vtc__row b{font-size:3.4rem}
  .hero{padding-top:1.4rem;gap:1.6rem}
  .hero__book{max-width:142px}
  .hero__book figcaption{margin-top:.6rem}
  .label{font-size:.75rem;letter-spacing:.13em}
}
@media (min-width:721px){
  .dock{display:flex}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .js .rv{opacity:1;transform:none}
  .pause{height:auto}
  .pause__stick{position:static;height:auto;padding-block:var(--gap)}
  .pause__l{opacity:1;transform:none}
  .rail__stick{position:static;height:auto;padding-block:var(--gap)}
  .rail__track{flex-wrap:wrap;transform:none!important}
  .card{flex:1 1 280px}
  .marq__row{animation:none;flex-wrap:wrap;width:auto;justify-content:center}
}

/* selo VTC — desenhado em código, sem arquivo de imagem.
   Herda a cor do contexto via currentColor, então funciona
   tanto sobre o dourado quanto sobre o preto. */
.selo{width:100%;height:auto;display:block}
.selo__volta{
  font-family:var(--mono);font-size:19px;font-weight:700;letter-spacing:.26em;
}
.selo__sigla{
  font-family:var(--disp);font-size:86px;font-weight:800;letter-spacing:-.04em;
}