:root{
      --bg:#0b0b10;          /* fundo profundo */
      --panel:#12121a;       /* painéis */
      --ink:#e8e6e3;         /* texto primário */
      --muted:#bcb8b1;       /* texto secundário */
      --gold:#FFD700;        /* dourado */
      --gold-2:#c9a227;      /* dourado escuro */
      --accent:#8bb8ff;      /* detalhe sutil azul arcano */
      --success:#18c29c;     /* selos/garantia */
      --danger:#ff6b6b;      /* alertas */
      --shadow:0 10px 30px rgba(0,0,0,.45);
    }
    *{box-sizing:border-box}
    html,body{height:100%;}

/* move o gradiente para o elemento raiz e fixa-o para ficar uniforme */
html{
  /* fundo sólido em vez de gradientes */
  background: var(--bg);
  scroll-behavior: smooth;
}

/* body usa apenas cor de base; evita repintura local do gradiente */
body{
  margin:0;
  font-family: 'Merriweather', serif;
  padding-top: 72px; /* ajuste esse valor conforme o header */
  /* tornar transparente para que o gradiente do html apareça no topo e durante a rolagem */
  background-color: transparent;
  min-height: 100vh;
  color:var(--ink);
}
    a{color:var(--accent);text-decoration:none}
    .container{width:min(1120px, 92%); margin-inline:auto}
    header{
      position:fixed;
      top:0;
      left:0;
      right:0;
      z-index:999;
      backdrop-filter:saturate(1.1) blur(10px);
      -webkit-backdrop-filter:blur(10px);
      /* tornar levemente mais translúcido para revelar o gradiente por baixo */
      background-color:rgba(11,11,16,.65);
      border-bottom:1px solid rgba(255,215,0,.15);
    }
    .nav{display:flex; align-items:center; justify-content:space-between; padding:14px 0}
    .brand{display:flex; align-items:center; gap:10px}
    .brand-mark{
      width:36px; height:36px; border-radius:8px; background:conic-gradient(from 200deg, var(--gold), var(--gold-2));
      box-shadow: inset 0 0 8px rgba(0,0,0,.35), 0 2px 8px rgba(0,0,0,.3);
      position:relative;
    }
    .brand-mark:after{
      content:''; position:absolute; inset:7px; border:2px solid #0e0e15; border-radius:6px;
    }
    .brand-title{font-family:'Cinzel', serif; font-weight:800; letter-spacing:.5px}
    .nav a{margin-left:14px; font-size:.95rem; color:var(--ink); opacity:.85}
    .btn{
      position:relative; /* necessário para o ::after do brilho */
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:10px 18px;
      border-radius:12px;
      border:1px solid rgba(255,180,0,.22); /* menos vibrante */
      background: linear-gradient(180deg, rgba(217,168,0,.12) 0%, rgba(193,135,0,.06) 100%); /* tom amarelo mais escuro/matizado */
      color: #0b0b10; /* texto escuro para melhor contraste */
      font-weight:700;
      text-decoration:none;
      cursor:pointer;
      box-shadow: 0 8px 18px rgba(0,0,0,.45); /* brilho reduzido */
      transition: transform .14s ease, box-shadow .18s ease, filter .12s ease;
      overflow:hidden; /* para o efeito de brilho */
    }

    .brand-link{ display:flex; align-items:center; gap:10px; color:inherit; text-decoration:none; }
    .logo{ height:70px; display:block; }


    /* brilho animado ao passar o mouse (reduzido) */
    .btn::after{
      content:"";
      position:absolute;
      top:0;
      left:0;
      width:28%;
      height:110%;
      background: linear-gradient(120deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.12) 50%, rgba(255,255,255,0) 100%);
      transform: translateX(-140%) rotate(6deg);
      transition: transform .75s cubic-bezier(.2,.8,.2,1);
      pointer-events:none;
      filter:blur(5px);
    }

    /* estado hover: leve elevação, brilho e saturação (mais sutil) */
    .btn:hover{
      transform: translateY(-3px);
      box-shadow: 0 16px 40px rgba(0,0,0,.52), 0 0 18px rgba(255,180,0,.04);
      filter: saturate(1.04);
    }
    .btn:hover::after{ transform: translateX(200%) rotate(6deg); }

    /* foco acessível */
    .btn:focus{
      outline:2px solid rgba(139,184,255,.18);
      outline-offset:4px;
      box-shadow:0 14px 36px rgba(0,0,0,.45), 0 0 28px rgba(139,184,255,.06);
    }

    /* estado ativo (clique) */
    .btn:active{ transform: translateY(-2px) scale(.997); }

    /* variante primária mais vibrante */
    .btn.btn-primary{
      background: linear-gradient(180deg, #d4a800 0%, #b88400 100%); /* dourado mais escuro */
      color: #0b0b10; /* texto escuro para legibilidade */
      border: 1px solid rgba(0,0,0,.12);
      box-shadow: 0 10px 30px rgba(0,0,0,.32), inset 0 -3px 8px rgba(255,255,255,.04);
    }
    .btn.btn-primary:hover{
      box-shadow: 0 22px 56px rgba(0,0,0,.36), 0 0 34px rgba(184,125,0,.06);
      transform: translateY(-4px);
    }
    .hero{padding:80px 0 40px; position:relative; overflow:hidden}
    .hero:before{
      content:''; position:absolute; inset:-20%; background:
        radial-gradient(900px 450px at 10% 25%, rgba(255,215,0,.04), transparent 70%),
        radial-gradient(900px 500px at 90% 10%, rgba(139,184,255,.03), transparent 70%);
      pointer-events:none; z-index:-1;
    }
    .hero h1{font-family:'Cinzel', serif; font-size:clamp(2.2rem, 5vw, 4rem); line-height:1.1; margin:0 0 12px; color:var(--gold)}
    .hero p.lead{font-size:clamp(1.05rem, 2.2vw, 1.25rem); color:var(--muted); max-width:840px}
    .hero-card{margin-top:24px; background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)); border:1px solid rgba(255,215,0,.14);
      border-radius:18px; padding:22px; display:grid; grid-template-columns:1.3fr .9fr; gap:22px; box-shadow:var(--shadow)}
    .price{font-size:2.2rem; font-weight:900; color:var(--gold)}
    .badge{display:inline-flex; align-items:center; gap:8px; font-size:.9rem; padding:6px 10px; border-radius:999px; border:1px dashed rgba(255,215,0,.4); color:var(--muted)}
    .stamp{
      display:inline-block; /* permite margin vertical em spans */
      color:#111;
      background:linear-gradient(180deg, var(--gold), var(--gold-2));
      border-radius:999px;
      padding:8px 12px;     /* levemente maior para destaque */
      font-weight:900;
      letter-spacing:.3px;
      margin:10px 0;        /* espaço acima e abaixo */
    }
    .mock {
      height: 400px; /* aumenta o espaço vertical */
      border-radius: 14px;
      background: radial-gradient(200px 140px at 30% 20%, rgba(255,215,0,.22), transparent 60%), #0f0f16;
      border: 1px solid rgba(255,215,0,.2);
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-top: auto;
      margin-bottom: auto;
    }
    .mock-img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      border-radius: 12px;
      display: block;
      background: #0f0f16; /* opcional: cor de fundo para bordas */
    }
    .mock:after{
      /* remove texto sobre a prévia */
      display: none;
    }
    .grid{display:grid; gap:18px}
    .grid.cols-3{grid-template-columns:repeat(3, 1fr)}
    .section{padding:64px 0; border-top:1px solid rgba(255,255,255,.06)}
    h2{font-family:'Cinzel', serif; font-size:clamp(1.6rem, 3.2vw, 2.2rem); color:var(--gold); margin:0 0 18px}
    h3{font-family:'Cinzel', serif; font-size:1.15rem; margin:0 0 8px}
    .card{background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02)); border:1px solid rgba(255,215,0,.12); border-radius:16px; padding:18px; box-shadow:var(--shadow)}
    ul.clean{list-style:none; padding:0; margin:0}
    ul.clean li{display:flex; gap:10px; padding:8px 0; color:var(--ink)}
    ul.clean li:before{content:'✦'; color:var(--gold); margin-top:1px}
    .faq details{background:#0f0f16; border:1px solid rgba(255,215,0,.12); border-radius:12px; padding:14px 16px}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer; font-weight:700; font-family:'Merriweather',serif}
    .kicker{color:var(--muted); letter-spacing:.08em; text-transform:uppercase; font-size:.8rem}
    .guarantee{display:flex; align-items:center; gap:12px; background:linear-gradient(180deg, rgba(24,194,156,.15), rgba(24,194,156,.08)); border:1px solid rgba(24,194,156,.35); border-radius:14px; padding:14px 16px}
    .testi{font-style:italic; color:var(--muted)}
    .footer{padding:36px 0; color:var(--muted); text-align:center; border-top:1px solid rgba(255,255,255,.06)}
    @media (max-width:900px){
      .hero-card{grid-template-columns:1fr;}
      .grid.cols-3{grid-template-columns:1fr}
    }
    /* ===== Memory Game (Jogo da Memória) — tamanho levemente maior ===== */
#memory-game{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap:18px;
  max-width:860px;    /* ligeiro aumento para comportar cartas maiores */
  margin:22px auto;
}
.card-game{
  position:relative;
  aspect-ratio:3/4;
  border-radius:14px;
  perspective:1000px;
  cursor:pointer;
  height:210px;       /* aumento sutil (de 200px → 210px) */
}
.card-game .inner{
  position:absolute;
  inset:0;
  transition:transform .5s;
  transform-style:preserve-3d;
  border:1px solid rgba(255,215,0,.18);
  border-radius:14px;
  box-shadow:0 9px 22px rgba(0,0,0,.42);
}
.card-game.flipped .inner{transform:rotateY(180deg)}
.face{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  backface-visibility:hidden; border-radius:14px; font-size:2rem;
}
.front{background:linear-gradient(180deg, rgba(255,215,0,.22), rgba(255,215,0,.08))}
.back{transform:rotateY(180deg); background:#0f0f16;}
.card-game img{width:100%; height:100%; object-fit:contain; border-radius:12px}

/* responsividade: cartas um pouco menores em telas pequenas */
@media (max-width:900px){
  #memory-game{ grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap:12px; max-width:640px; }
  .card-game{ height:170px; }
}
    /* Botões principais na hero-card */
.hero-card .btn,
.hero-card .btn.btn-primary {
  color: #fff;
}

/* Botão "Quero meu E‑book" */
.section .btn.btn-primary {
  color: #fff;
}

/* Rolagem suave para âncoras internas */
html {
  scroll-behavior: smooth;
}

/* Espaço extra ao posicionar alvos para não ficarem cobertos pelo header fixo */
.section {
  scroll-margin-top: 88px; /* ajuste esse valor para a altura real do seu header (ex.: 72px) */
}

/* destacar o link do jogo no cabeçalho */
.nav a[href="#jogo"]{
  color: var(--gold);
  font-weight:700;
  transition:color .18s;
}
.nav a[href="#jogo"]:hover{ opacity:.95 }
.nav a.is-active{
  color: var(--gold);
  font-weight:800;
  box-shadow: inset 0 -2px 0 rgba(255,215,0,.18); /* indicador sutil */
}

/* Amostras / pré‑visualizações - miniaturas um pouco menores */
#amostras .preview-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(10px,1fr)); /* menor min-width */
  gap:12px; /* espaço levemente reduzido */
  margin-top:16px;
  align-items:start;
}
.preview-thumb{
  background:transparent;
  border:1px solid rgba(255,255,255,.04);
  padding:4px;                /* padding reduzido para encolher visualmente */
  border-radius:8px;
  cursor:pointer;
  display:block;
  max-width:260px;           /* evita thumbs muito largas em telas grandes */
  margin-inline:auto;
}
.preview-thumb img{
  width:100%;
  height:180px;              /* altura fixa menor */
  object-fit:cover;
  display:block;
  border-radius:6px;
  box-shadow:var(--shadow);
  transition:transform .15s ease, box-shadow .15s;
}
/* hover mantém o efeito porém mais sutil */
.preview-thumb:hover img{ transform:translateY(-3px); box-shadow:0 14px 36px rgba(0,0,0,.45); }

/* Modal simples */
.preview-modal{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(0,0,0,.72);
  z-index:2200;
  padding:20px;
}
.preview-modal.open{ display:flex; }
.preview-modal img{
  /* tamanho mais contido para evitar ocupar toda a tela */
  max-width:1000px;    /* largura máxima desejada (ajuste se precisar) */
  width:100%;         /* responsivo até o max-width */
  height:auto;        /* manter proporção */
  max-height:80vh;    /* não ultrapassar 80% da altura da viewport */
  border-radius:8px;
  box-shadow:0 30px 80px rgba(0,0,0,.6);
}
/* Close */
.preview-modal .close{
  position:absolute;
  top:18px;
  right:22px;
  background:transparent;
  border:0;
  color:var(--ink);
  font-size:1.6rem;
  cursor:pointer;
  padding:8px;
}
/* Navegação (setas) */
.preview-modal .nav{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  pointer-events:none; /* permite overlay clicável exceto nos botões */
}
.preview-modal .nav button{
  pointer-events:auto;
  background:rgba(11,11,16,.6);
  border:1px solid rgba(255,255,255,.06);
  color:var(--ink);
  width:44px;
  height:44px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  font-size:20px;
  transition:transform .12s ease, background .12s;
  backdrop-filter: blur(6px);
}
.preview-modal .nav button:hover{ transform:translateY(-2px); background:rgba(255,215,0,.08) }
.preview-modal .nav button:focus{ outline:2px solid rgba(139,184,255,.18); outline-offset:3px; }
/* evitar que imagem capture clique nos botões visuais */
.preview-modal .content{ position:relative; z-index:2; }
/* acessibilidade: botão visível ao foco */
.preview-thumb:focus{ outline:2px solid rgba(139,184,255,.18); outline-offset:3px; }
/* header: botão Comprar com mesmo visual do "Comprar agora" */
header .btn{
  background: linear-gradient(180deg, #d4a800 0%, #b88400 100%);
  color: #fff;
  border: 1px solid rgba(0,0,0,.12);
  box-shadow: 0 10px 30px rgba(0,0,0,.32), inset 0 -3px 8px rgba(255,255,255,.04);
  padding: 10px 16px;
  border-radius: 12px;
  transition: transform .14s ease, box-shadow .18s ease;
}
header .btn:hover{
  box-shadow: 0 22px 56px rgba(0,0,0,.36), 0 0 34px rgba(184,125,0,.06);
  transform: translateY(-4px);
}

/* centralizar botão Reiniciar novamente */
.actions{ text-align:center; }
#restart{
  display:inline-block;
  margin:20px auto;
  color:#fff; /* mantém texto em branco */
}

/* Opcional: leve vinheta para profundidade sem usar gradientes grandes */
html::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background: radial-gradient(60% 60% at 50% 40%, rgba(255,255,255,0.02), transparent 30%),
              radial-gradient(80% 50% at 50% 110%, rgba(0,0,0,0.25), transparent 40%);
  mix-blend-mode:overlay;
  z-index:1;
}