/* Página de vendas da pré-venda: a mesma gramática do guia (guia_amostra/guia.css) */
@font-face { font-family: "GSerif"; src: url("fontes/SerifT-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "GSerif"; src: url("fontes/SerifT-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "GSerif"; src: url("fontes/SerifTI-400.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "GDisp"; src: url("fontes/SerifD-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "GDisp"; src: url("fontes/SerifD-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "GSans"; src: url("fontes/Inter-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "GSans"; src: url("fontes/Inter-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "GSans"; src: url("fontes/Inter-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "GMono"; src: url("fontes/Mono-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --tinta: #213A7A;
  --tinta-escura: #1A2F64;
  --tinta-clara: #8FA6DB;
  --nevoa: #EDF1F9;
  --graf: #23262D;
  --cinza: #5E6573;
  --pauta: #D5DBE8;
  --amarelo: #F2CB3D;
  --amarelo-claro: #FBF0C4;
  --sobre-tinta: #E4E9F6;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; font-family: "GSerif", Georgia, serif; font-size: 1.0625rem; line-height: 1.6; color: var(--graf);
       background: #fff; font-kerning: normal; overflow-x: hidden; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--tinta); text-underline-offset: 0.18em; -webkit-tap-highlight-color: rgba(242, 203, 61, .35); }
code, .mono { font-family: "GMono", ui-monospace, monospace; font-size: 0.86em; color: var(--tinta); }
:focus-visible { outline: 3px solid var(--amarelo); outline-offset: 3px; border-radius: 2px; }
.pular { position: absolute; left: -9999px; top: 0; background: var(--amarelo); color: var(--graf); padding: .6rem 1rem;
         font-family: "GSans"; font-weight: 600; z-index: 10; }
.pular:focus { left: 1rem; top: 1rem; }

/* coluna do livro: texto + margem de notas */
.folha { width: 100%; max-width: 68rem; margin: 0 auto;
         padding-right: max(1.25rem, env(safe-area-inset-right)); padding-left: max(1.25rem, env(safe-area-inset-left)); }
.r { display: grid; grid-template-columns: minmax(0, 1fr); gap: .9rem; }
@media (min-width: 900px) {
  .folha { padding-right: max(2.5rem, env(safe-area-inset-right)); padding-left: max(2.5rem, env(safe-area-inset-left)); }
  .r { grid-template-columns: minmax(0, 40rem) 15rem; column-gap: 2.75rem; }
}

/* abertura: a capa do livro */
.capa { background: var(--tinta); color: #fff; padding: 2.5rem 0 2.75rem; }
.capa .folha { display: grid; gap: 2rem; }
@media (min-width: 900px) {
  .capa { padding: 4.5rem 0 4rem; }
  .capa .folha { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); column-gap: 3.5rem; align-items: center; }
}
.edicao { font-family: "GSans"; font-weight: 600; font-size: .875rem; color: #B4C3E8; margin: 0 0 1.1rem; }
h1 { font-family: "GDisp"; font-weight: 700; font-size: clamp(2.9rem, 13vw, 4.6rem); line-height: .98; letter-spacing: -0.015em;
     margin: 0; text-wrap: balance; }
h1 .h1b { display: block; font-weight: 600; font-size: .5em; line-height: 1.08; color: var(--tinta-clara); margin-top: .5rem;
          letter-spacing: 0; }
.lede { font-size: 1.125rem; line-height: 1.55; color: var(--sobre-tinta); margin: 1.4rem 0 0; max-width: 34rem; }
.compra { margin-top: 1.9rem; display: flex; flex-wrap: wrap; align-items: center; gap: .9rem 1.4rem; }
.preco { font-family: "GSans"; color: var(--sobre-tinta); font-size: .9375rem; line-height: 1.35; }
.preco b { display: block; font-family: "GDisp"; font-weight: 700; font-size: 2rem; color: #fff; line-height: 1.05;
           font-variant-numeric: lining-nums tabular-nums; }
.botao { display: inline-block; background: var(--amarelo); color: var(--graf); font-family: "GSans"; font-weight: 600;
         font-size: 1.0625rem; text-decoration: none; padding: .95rem 1.4rem; border-radius: 999px; min-height: 48px;
         touch-action: manipulation; transition: background-color .15s ease; }
.botao:hover { background: #F6D762; }
.capa .arte { max-width: 34rem; width: 100%; justify-self: center; }
.aviso-capa { font-family: "GSans"; font-size: .8125rem; line-height: 1.45; color: var(--sobre-tinta); margin: 1.6rem 0 0; max-width: 34rem; }
.aviso-capa b { color: #fff; font-weight: 600; }

/* seções */
main section { padding: 3.5rem 0 0; }
.nw { white-space: nowrap; }
@media (min-width: 900px) { main section { padding-top: 4.25rem; } }
h2 { font-family: "GDisp"; font-weight: 600; font-size: clamp(1.6rem, 6vw, 2.1rem); line-height: 1.12; color: var(--tinta);
     margin: 0 0 1rem; text-wrap: balance; }
h3 { font-family: "GSans"; font-weight: 600; font-size: 1rem; color: var(--graf); margin: 1.4rem 0 .4rem; }
p { margin: 0 0 1rem; }
.nota { font-family: "GSans"; font-size: .875rem; line-height: 1.5; color: var(--cinza); border-left: 2px solid var(--pauta);
        padding-left: .9rem; align-self: start; }
@media (min-width: 900px) { .nota { border-left: 0; padding-left: 0; padding-top: .35rem; } }
.nota p { margin-bottom: .6rem; }
.nota b { color: var(--graf); font-weight: 600; }
.v { display: inline-block; font-family: "GMono"; font-size: .78rem; font-weight: 500; color: #fff; background: var(--tinta);
     padding: .05rem .4rem; border-radius: 4px; margin-right: .25rem; }

/* sumário com a barra do tamanho de cada capítulo, como no livro */
.sumario { list-style: none; margin: 1.5rem 0 0; padding: 0; border-top: 1px solid var(--pauta); }
.cap { display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); column-gap: .6rem; padding: 1rem 0; border-bottom: 1px solid var(--pauta); }
@media (min-width: 900px) { .cap { grid-template-columns: 3rem minmax(0, 1fr) 11rem; column-gap: 1.2rem; } }
.cap .n { font-family: "GDisp"; font-weight: 600; font-size: 1.5rem; line-height: 1.1; color: var(--tinta); font-variant-numeric: lining-nums; }
.cap h3 { font-family: "GDisp"; font-weight: 600; font-size: 1.2rem; line-height: 1.25; color: var(--tinta); margin: 0 0 .3rem; }
.cap .secs { font-family: "GSans"; font-size: .875rem; line-height: 1.5; color: var(--cinza); margin: 0; }
.cap .tam { grid-column: 2; font-family: "GSans"; font-size: .8125rem; color: var(--cinza); margin-top: .55rem;
            font-variant-numeric: tabular-nums; }
@media (min-width: 900px) { .cap .tam { grid-column: 3; margin-top: .3rem; text-align: right; } }
.bar { height: 5px; background: var(--nevoa); border-radius: 3px; margin-top: .35rem; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--tinta-clara); border-radius: 3px; }
.cap.amostra { background: var(--amarelo-claro); margin: 0 -1.25rem; padding-left: 1.25rem; padding-right: 1.25rem;
               border-bottom-color: #EADCA0; }
@media (min-width: 900px) { .cap.amostra { margin: 0 -1rem; padding-left: 1rem; padding-right: 1rem; } }
.cap.amostra .bar i { background: var(--tinta); }
.marcador { display: inline-block; font-family: "GSans"; font-size: .75rem; font-weight: 600; color: var(--graf);
            background: var(--amarelo); border-radius: 999px; padding: .1rem .55rem; margin-left: .4rem; vertical-align: .15em; }

/* páginas da amostra */
.paginas { display: grid; gap: 1.75rem; margin-top: 1.75rem; }
@media (min-width: 700px) { .paginas { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; } }
.paginas figure { margin: 0; }
.paginas a { display: block; border: 1px solid var(--pauta); background: #fff; box-shadow: 0 1px 0 var(--pauta), 0 10px 24px -14px rgba(33, 58, 122, .35); }
.paginas a:hover { border-color: var(--tinta-clara); }
.paginas figcaption { font-family: "GSans"; font-size: .875rem; line-height: 1.45; color: var(--cinza); margin-top: .7rem; }
.paginas figcaption b { color: var(--tinta); font-weight: 600; }

/* como foi feito: a nota de margem de verdade */
.feito { list-style: none; padding: 0; margin: 0; }
.feito li { padding: .9rem 0; border-top: 1px solid var(--pauta); }
.feito li:last-child { border-bottom: 1px solid var(--pauta); }
.feito b { font-family: "GSans"; font-weight: 600; font-size: 1rem; display: block; margin-bottom: .2rem; color: var(--graf); }
.fonte { font-family: "GSans"; font-size: .8125rem; color: var(--cinza); border-top: 1px solid var(--pauta); padding-top: .5rem; margin-top: .8rem; }
.fonte b { color: var(--graf); font-weight: 600; }
.exemplo { align-self: start; background: var(--nevoa); border-radius: 6px; padding: 1rem 1.1rem; }
.exemplo .rotulo { font-family: "GSans"; font-size: .8125rem; font-weight: 600; color: var(--tinta); margin: 0 0 .6rem; }
.exemplo p { font-family: "GSans"; font-size: .875rem; line-height: 1.5; margin: 0 0 .5rem; }

/* o que a pré-venda entrega: é uma sequência no tempo */
.entrega { list-style: none; padding: 0; margin: 1.25rem 0 0; }
.entrega li { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); column-gap: 1rem; padding: .85rem 0; border-top: 1px solid var(--pauta); }
.entrega li:last-child { border-bottom: 1px solid var(--pauta); }
.entrega .quando { font-family: "GSans"; font-weight: 600; font-size: .9375rem; color: var(--tinta); }
@media (max-width: 420px) { .entrega li { grid-template-columns: minmax(0, 1fr); row-gap: .15rem; } }

.oferta { margin-top: 2rem; background: var(--tinta); color: #fff; border-radius: 8px; padding: 1.6rem 1.4rem;
          display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.1rem 1.5rem; }
.oferta .preco b { font-size: 2.25rem; }
.oferta .cheio { display: block; margin-top: .25rem; }

/* perguntas */
.faq { margin-top: 1rem; border-top: 1px solid var(--pauta); }
.faq details { border-bottom: 1px solid var(--pauta); }
.faq summary { cursor: pointer; font-family: "GSans"; font-weight: 600; font-size: 1.0625rem; color: var(--graf);
               padding: 1rem 2rem 1rem 0; position: relative; list-style: none; min-height: 48px; }
.faq summary:hover { color: var(--tinta); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .25rem; top: .85rem; font-size: 1.35rem; color: var(--tinta); font-weight: 500; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 1.1rem; max-width: 40rem; }
.literal { font-family: "GSans"; font-weight: 600; }

footer { margin-top: 4rem; background: var(--nevoa); padding: 2rem 0 2.5rem; font-family: "GSans"; font-size: .875rem; line-height: 1.5; color: var(--cinza); }
footer p { margin: 0 0 .5rem; max-width: 44rem; }
footer b { color: var(--graf); font-weight: 600; }

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