/* ============================================================================
   TEMA ESCURO — Ledger
   Para mudar as cores, troque os valores em :root logo abaixo.
   ============================================================================ */

:root {
  --bg: #0d0e12;            /* fundo principal */
  --bg-2: #111219;          /* hero e seções alternadas */
  --superficie: #171922;    /* cartões e modal */
  --superficie-2: #1e2030;  /* etiquetas / realces */
  --texto: #eceae4;         /* texto claro (levemente quente) */
  --suave: #9a9cab;         /* texto secundário */
  --borda: rgba(255, 255, 255, .09);

  /* Dourado (olhos da coruja / capa do Nietzsche) = cor principal */
  --ouro: #d9a441;
  --ouro-claro: #e8b75a;
  --ouro-grad: linear-gradient(135deg, #e6ba5b, #c8902f);

  /* Vermelho (capuz) = YouTube / "Assistir" */
  --vermelho-grad: linear-gradient(135deg, #e0382b, #b21f16);
  --verde: #36c486;         /* "Grátis" */

  --sombra: 0 14px 34px rgba(0, 0, 0, .45);
  --raio: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--texto);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .marca, .modal-titulo { font-family: "Playfair Display", Georgia, serif; line-height: 1.2; }

a { color: var(--ouro); }

.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* ----------------------------- Botões ----------------------------- */
.btn {
  display: inline-block;
  background: var(--ouro-grad);
  color: #1a1407;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.07); box-shadow: 0 14px 30px rgba(217, 164, 65, .25); }
.btn-grande { padding: 14px 26px; font-size: 1.02rem; }

/* Botão secundário (contorno) */
.btn-sec {
  background: transparent;
  color: var(--texto);
  border: 1px solid var(--borda);
}
.btn-sec:hover { border-color: var(--ouro); color: var(--ouro-claro); box-shadow: none; filter: none; }

/* Botão vermelho do YouTube / Assistir */
.btn-yt {
  background: var(--vermelho-grad);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: 999px;
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn-yt:hover { transform: translateY(-2px); filter: brightness(1.07); box-shadow: 0 14px 30px rgba(224, 56, 43, .3); }
.btn-grande.btn-yt { padding: 14px 26px; }

/* ----------------------------- Topo ----------------------------- */
.topo {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13, 14, 18, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borda);
}
.topo-conteudo { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.marca { display: flex; align-items: center; gap: 9px; font-size: 1.3rem; font-weight: 700; color: var(--texto); text-decoration: none; }
.marca-logo { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
.topo-nav { display: flex; align-items: center; gap: 18px; }
.nav-link { text-decoration: none; color: var(--suave); font-weight: 500; }
.nav-link:hover { color: var(--ouro-claro); }

/* ----------------------------- Hero ----------------------------- */
.hero {
  background:
    radial-gradient(900px 360px at 85% -10%, rgba(217, 164, 65, .12), transparent),
    radial-gradient(700px 360px at 0% 0%, rgba(224, 56, 43, .10), transparent),
    var(--bg-2);
  border-bottom: 1px solid var(--borda);
  padding: 78px 0 86px;
  text-align: center;
}
.hero-selo {
  display: inline-block;
  background: var(--superficie);
  border: 1px solid var(--borda);
  color: var(--ouro-claro);
  font-weight: 600; font-size: .85rem;
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 { font-size: clamp(2rem, 5.2vw, 3.2rem); margin-bottom: 18px; }
.hero p { color: var(--suave); font-size: 1.12rem; max-width: 620px; margin: 0 auto 30px; }
.hero-botoes { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ----------------------------- Seções ----------------------------- */
.secao { padding: 64px 20px 44px; }
.secao-titulo { font-size: 2rem; text-align: center; margin-bottom: 8px; }
.secao-sub { text-align: center; color: var(--suave); margin-bottom: 28px; }

/* ----------------------------- Filtros + busca ----------------------------- */
.filtros-grupo {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 10px; justify-content: center; margin-bottom: 14px;
}
.filtros-label { font-weight: 600; font-size: .9rem; color: var(--suave); }
.filtros { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chip {
  background: var(--superficie);
  border: 1px solid var(--borda);
  color: var(--suave);
  padding: 9px 18px; border-radius: 999px;
  font: inherit; font-weight: 600; font-size: .92rem;
  cursor: pointer; transition: all .15s ease;
}
.chip:hover { border-color: var(--ouro); color: var(--ouro-claro); }
.chip.ativo { background: var(--ouro-grad); border-color: transparent; color: #1a1407; }

.busca { display: flex; justify-content: center; margin: 22px 0 36px; }
.busca input {
  width: 100%; max-width: 420px;
  padding: 12px 18px;
  border: 1px solid var(--borda); border-radius: 999px;
  font: inherit; background: var(--superficie); color: var(--texto);
  outline: none; transition: border-color .15s ease, box-shadow .15s ease;
}
.busca input::placeholder { color: var(--suave); }
.busca input:focus { border-color: var(--ouro); box-shadow: 0 0 0 4px rgba(217, 164, 65, .14); }

/* ----------------------------- Ordenação ----------------------------- */
.ordenar {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; flex-wrap: wrap; margin-top: 6px;
}
.ordenar-select {
  font: inherit; font-weight: 600; font-size: .92rem;
  color: var(--texto); background-color: var(--superficie);
  border: 1px solid var(--borda); border-radius: 999px;
  padding: 9px 38px 9px 16px; cursor: pointer;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239a9cab' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.ordenar-select:hover { border-color: var(--ouro); color: var(--ouro-claro); }
.ordenar-select:focus-visible { border-color: var(--ouro); outline: none; box-shadow: 0 0 0 4px rgba(217, 164, 65, .14); }
/* O menu aberto segue o tema escuro nos navegadores que suportam */
.ordenar-select option { background: var(--superficie-2); color: var(--texto); }

/* ----------------------------- Grade de produtos ----------------------------- */
.grade {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}

.card {
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--sombra);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover, .card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(217, 164, 65, .45);
  box-shadow: 0 20px 44px rgba(0, 0, 0, .55);
  outline: none;
}

/* Capa do produto — proporção 16:9 (igual à miniatura do YouTube),
   para a imagem aparecer INTEIRA, sem cortar as laterais. */
.capa {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.capa-emoji { position: relative; z-index: 0; font-size: 3.4rem; filter: drop-shadow(0 6px 12px rgba(0,0,0,.35)); }
.capa-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.capa--audiobook { background: linear-gradient(135deg, #0e7490, #1d4ed8); }
.capa--videobook { background: linear-gradient(135deg, #b45309, #b91c1c); }
.capa--ebook     { background: linear-gradient(135deg, #6d28d9, #9333ea); }

/* Selos sobre a capa */
.badge {
  position: absolute; z-index: 2;
  font-size: .75rem; font-weight: 700;
  padding: 4px 10px; border-radius: 999px;
  color: #fff; backdrop-filter: blur(4px);
}
.badge-tipo    { top: 12px; left: 12px; background: rgba(0, 0, 0, .6); }
.badge-acesso  { top: 12px; right: 12px; }
.badge-acesso--gratis    { background: rgba(54, 196, 134, .92); color: #06281a; }
.badge-acesso--exclusivo { background: rgba(217, 164, 65, .95); color: #1a1407; }

.card-corpo { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.card-cat {
  display: inline-block; align-self: flex-start;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--ouro-claro); margin-bottom: 8px;
}
.card-titulo { font-size: 1.15rem; margin-bottom: 8px; color: var(--texto); }
.card-desc { color: var(--suave); font-size: .92rem; flex: 1; margin-bottom: 16px; }

.btn-detalhes {
  display: block; width: 100%;
  background: transparent; border: 1px solid var(--borda);
  color: var(--suave); font: inherit; font-weight: 600; font-size: .85rem;
  padding: 9px 14px; border-radius: 999px;
  cursor: pointer; margin-bottom: 14px;
  transition: border-color .15s ease, color .15s ease;
}
.btn-detalhes:hover, .btn-detalhes:focus-visible { border-color: var(--ouro); color: var(--ouro-claro); }

.card-rodape { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.preco { font-weight: 700; font-size: 1.15rem; color: var(--texto); }
.preco--gratis { color: var(--verde); }

.btn-comprar {
  background: var(--ouro-grad); color: #1a1407; text-decoration: none;
  font-weight: 700; font-size: .92rem;
  padding: 10px 18px; border-radius: 999px;
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
  white-space: nowrap;
}
.btn-comprar:hover { transform: translateY(-2px); filter: brightness(1.07); }
.btn-assistir { background: var(--vermelho-grad); color: #fff; }

/* Estado vazio */
.vazio { text-align: center; color: var(--suave); padding: 44px 0; font-size: 1.05rem; }

/* ----------------------------- Página de detalhes (modal) ----------------------------- */
.modal {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, .74);
  backdrop-filter: blur(5px);
}
.modal[hidden] { display: none; }
.modal-caixa {
  position: relative;
  width: 100%; max-width: 720px; max-height: 90vh; overflow-y: auto;
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: 20px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .6);
}
.modal-fechar {
  position: absolute; top: 14px; right: 14px; z-index: 3;
  width: 38px; height: 38px; border-radius: 50%;
  border: none; cursor: pointer;
  background: rgba(0, 0, 0, .55); color: #fff;
  font-size: 1.05rem; line-height: 1;
  backdrop-filter: blur(4px);
  transition: background .15s ease;
}
.modal-fechar:hover { background: rgba(0, 0, 0, .8); }

.modal-topo { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-2); }
.modal-capa { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Botão de prévia (aparece sobre a capa) e o player que o substitui */
.previa-btn {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  border: none; cursor: pointer; color: #fff; font: inherit; font-weight: 700;
  background: rgba(0, 0, 0, .30); transition: background .2s ease;
}
.previa-btn:hover { background: rgba(0, 0, 0, .46); }
.previa-icone {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--vermelho-grad); color: #fff; font-size: 1.5rem; padding-left: 4px;
  box-shadow: 0 12px 30px rgba(224, 56, 43, .45);
  transition: transform .15s ease;
}
.previa-btn:hover .previa-icone { transform: scale(1.08); }
.previa-rotulo {
  background: rgba(0, 0, 0, .6); backdrop-filter: blur(4px);
  padding: 5px 14px; border-radius: 999px; font-size: .85rem;
}
.modal-video { width: 100%; height: 100%; border: 0; display: block; }
.modal-capa--audiobook,
.modal-capa--videobook,
.modal-capa--ebook { display: flex; align-items: center; justify-content: center; }
.modal-capa--audiobook { background: linear-gradient(135deg, #0e7490, #1d4ed8); }
.modal-capa--videobook { background: linear-gradient(135deg, #b45309, #b91c1c); }
.modal-capa--ebook     { background: linear-gradient(135deg, #6d28d9, #9333ea); }

.modal-corpo { padding: 26px 28px 30px; }
.modal-cab { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.modal-selo { position: static; backdrop-filter: none; }
.modal-titulo { font-size: 1.9rem; margin-bottom: 8px; }
.modal-meta { color: var(--suave); font-size: .9rem; margin-bottom: 20px; }
.modal-texto p { color: var(--texto); margin-bottom: 14px; }
.modal-sub {
  font-size: 1.15rem; margin: 22px 0 12px;
  padding-top: 18px; border-top: 1px solid var(--borda);
  color: var(--ouro-claro);
}
.modal-lista { list-style: none; display: grid; gap: 8px; }
.modal-lista li { position: relative; padding-left: 26px; color: var(--texto); }
.modal-lista li::before { content: "✓"; position: absolute; left: 0; color: var(--ouro); font-weight: 700; }
.modal-temas { display: flex; flex-wrap: wrap; gap: 8px; }
.tema {
  background: var(--superficie-2); border: 1px solid var(--borda);
  color: var(--suave); font-size: .82rem; font-weight: 600;
  padding: 5px 12px; border-radius: 999px;
}
.modal-acoes { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* Formatos extras de download (ex.: EPUB e PDF do mesmo e-book) */
.modal-formatos { display: flex; flex-wrap: wrap; gap: 10px; }
.formato-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--superficie-2); border: 1px solid var(--borda);
  color: var(--texto); text-decoration: none;
  font-weight: 600; font-size: .9rem;
  padding: 9px 16px; border-radius: 999px;
  transition: border-color .15s ease, color .15s ease;
}
.formato-btn:hover { border-color: var(--ouro); color: var(--ouro-claro); }

/* ----------------------------- Atendimento ao cliente ----------------------------- */
.atendimento {
  background: var(--bg-2);
  border-top: 1px solid var(--borda);
  padding: 62px 20px;
  text-align: center;
}
.atend-sac { color: var(--suave); margin-bottom: 22px; }
.atend-cartao {
  display: inline-block; text-align: left;
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 22px 30px;
  box-shadow: var(--sombra);
}
.atend-cartao p { margin: 7px 0; color: var(--texto); }
.atend-obs { color: var(--suave); font-size: .85rem; margin-top: 20px; }

/* ----------------------------- Rodapé ----------------------------- */
.rodape {
  background: var(--bg);
  border-top: 1px solid var(--borda);
  text-align: center;
  padding: 36px 20px;
  color: var(--suave);
}
.rodape-marca { font-family: "Playfair Display", serif; font-weight: 700; font-size: 1.2rem; color: var(--texto); margin-bottom: 8px; }
.rodape-mini { font-size: .82rem; margin-top: 6px; opacity: .85; }

/* ----------------------------- Celular ----------------------------- */
@media (max-width: 600px) {
  .nav-link { display: none; }
  .hero { padding: 56px 0 60px; }
  .secao { padding: 46px 20px 30px; }
  .modal-corpo { padding: 22px 20px 26px; }
  .modal-titulo { font-size: 1.55rem; }
}

/* ============================================================================
   ✨ ACABAMENTO — atmosfera "biblioteca à meia-luz"
   Aprofunda a identidade escura/intelectual: luz dourada que respira,
   textura sutil, tipografia mais marcante, animações de entrada com bom gosto.
   Tudo em CSS puro, sem bibliotecas. Respeita quem prefere menos animação.
   ============================================================================ */

/* Rolagem suave ao clicar nos links do menu (Catálogo / Atendimento) */
html { scroll-behavior: smooth; }
#catalogo, #atendimento { scroll-margin-top: 84px; }

/* Anel de foco dourado e consistente (acessibilidade no teclado) */
a:focus-visible, button:focus-visible, .chip:focus-visible,
.btn:focus-visible, .btn-yt:focus-visible, .btn-comprar:focus-visible,
.busca input:focus-visible, .card:focus-visible {
  outline: 2px solid var(--ouro-claro);
  outline-offset: 3px;
}

/* ---------- Hero com mais presença ---------- */
.hero { position: relative; overflow: hidden; }
.hero .hero-conteudo { position: relative; z-index: 2; }

/* Luz dourada que respira lentamente ao fundo */
.hero::before {
  content: ""; position: absolute; inset: -25%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(38% 38% at 80% 8%, rgba(217, 164, 65, .18), transparent 70%),
    radial-gradient(40% 40% at 8% 30%, rgba(224, 56, 43, .10), transparent 70%);
  animation: brilho 16s ease-in-out infinite alternate;
}
@keyframes brilho {
  from { transform: translate3d(0, 0, 0) scale(1);      opacity: .8; }
  to   { transform: translate3d(0, -2%, 0) scale(1.08); opacity: 1; }
}

/* Textura fina (grão de papel) por cima do hero, bem discreta */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); letter-spacing: -.012em; }
.hero-selo { letter-spacing: .02em; }
.hero-epigrafe {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic; color: var(--ouro-claro);
  font-size: 1.05rem; opacity: .92;
  max-width: 540px; margin: -8px auto 30px;
}

/* ---------- Títulos de seção com traço dourado ---------- */
.secao-titulo { position: relative; padding-bottom: 16px; }
.secao-titulo::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 56px; height: 3px; border-radius: 3px; background: var(--ouro-grad);
}

/* ---------- Cartões: capa com zoom suave ao passar o mouse ---------- */
.capa-img { transition: transform .6s cubic-bezier(.2, .6, .2, 1); }
.card:hover .capa-img { transform: scale(1.06); }

/* ---------- Animação de entrada (revelar ao rolar) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0; transform: translateY(22px);
    transition: opacity .7s cubic-bezier(.2, .6, .2, 1), transform .7s cubic-bezier(.2, .6, .2, 1);
  }
  .reveal.is-visible { opacity: 1; transform: none; }

  /* Entrada escalonada no hero (um item depois do outro) */
  .hero-conteudo .reveal:nth-child(1) { transition-delay: .05s; }
  .hero-conteudo .reveal:nth-child(2) { transition-delay: .15s; }
  .hero-conteudo .reveal:nth-child(3) { transition-delay: .25s; }
  .hero-conteudo .reveal:nth-child(4) { transition-delay: .35s; }
  .hero-conteudo .reveal:nth-child(5) { transition-delay: .45s; }

  /* Entrada escalonada dos cartões do catálogo */
  .grade .reveal:nth-child(1) { transition-delay: .00s; }
  .grade .reveal:nth-child(2) { transition-delay: .08s; }
  .grade .reveal:nth-child(3) { transition-delay: .16s; }
  .grade .reveal:nth-child(4) { transition-delay: .24s; }
  .grade .reveal:nth-child(5) { transition-delay: .32s; }
  .grade .reveal:nth-child(6) { transition-delay: .40s; }
}

/* Quem pediu menos animação no sistema: desliga tudo que se move */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero::before { animation: none; }
  .card:hover .capa-img { transform: none; }
}