@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

:root {
  --primary: #000000;
  --secondary: #000000;
  --accent: #ffe600;
  --bg: #f8f9fa;
  --text: #2c3e50;
  --card-bg: #ffffff;
  --header-bg: #000000;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', Arial, Helvetica, sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

/* TIPOGRAFIA */
h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
}

h2 {
  font-size: 2.4rem;
  text-align: center;
  margin: 3rem 0 1.5rem;
  color: var(--primary);
  font-weight: 700;
}

h3 {
  font-size: 1.8rem;
  color: var(--primary);
  border-left: 5px solid var(--accent);
  padding-left: 10px;
  margin: 2.5rem 0 1rem;
  font-weight: 700;
}

p {
  font-size: 1.05rem;
  color: #424242;
}

/* HEADER */
.top-header {
  background: var(--header-bg);
  height: 70px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  height: 100%;
  margin: auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* LOGO */
.logo {
  height: 42px;
}

/* MENU */
.menu {
  display: flex;
  gap: 20px;
}

/* Botão hambúrguer: escondido no desktop, visível no mobile */
.menu-toggle { display: none; }

.menu a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.2px;
  padding: 10px 16px;
  border-radius: 12px;
  transition: background 0.25s ease, transform 0.2s ease;
}

.menu a:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

/* Estado ativo no menu */
.menu a.active {
  background: rgba(255, 255, 255, 0.22);
  outline: 2px solid var(--accent);
}

/* Itens em produção (href="#") visuais e acessíveis */
.menu a[href="#"] {
  opacity: 0.7;
  cursor: not-allowed;
  position: relative;
}
.menu a[href="#"]::after {
  content: "";
  display: none;
}

/* CONTAINER */
.container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 15px;
}

/* HERO */
.hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, #e3f2fd, #ffffff);
  border-radius: 16px;
  position: relative; /* necessário para sobrepor o canvas do efeito */
  overflow: hidden;
}

/* Garante texto acima do efeito e canvas como overlay transparente */
.hero > * { position: relative; z-index: 1; }
#splash-cursor { position: absolute !important; inset: 0 !important; width: 100% !important; height: 100% !important; pointer-events: none; z-index: 0; }

.hero p {
  max-width: 700px;
  margin: auto;
  font-size: 1.15rem;
}

/* CATEGORIAS */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.category-card {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 14px;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--primary);
  box-shadow: 0 6px 15px rgba(0,0,0,0.05);
  transition: transform 0.45s ease-out, box-shadow 0.45s ease-out;
  will-change: transform, box-shadow;
  backface-visibility: hidden;
}

.category-card:hover {
  transform: translateY(-3px);
}

/* PRODUTOS */
.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.product {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.06);
  transition: transform 0.45s ease-out, box-shadow 0.45s ease-out;
  will-change: transform, box-shadow;
  backface-visibility: hidden;
}

.product:hover {
  transform: translateY(-3px);
}

/* PADRÃO PROFISSIONAL DE IMAGEM */
.product img {
  width: 60%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
  border-radius: 12px;
  margin-bottom: 15px;
  backface-visibility: hidden;
}

/* Vídeos dentro de cards com aparência padronizada */
.product .card-video {
  width: 60%;
  aspect-ratio: 16 / 9;
  display: block;
  margin: 0 auto 15px auto;
  border-radius: 12px;
  object-fit: cover;
  object-position: center center;
  background: transparent;
  border: 0;
  outline: none;
  outline-offset: 0;
  box-shadow: none;
  backface-visibility: hidden;
  clip-path: inset(0 round 12px); /* elimina linhas finas nas bordas */
}

/* Créditos de imagem discretos abaixo das figuras */
.image-credit {
  font-size: 0.72rem;
  color: #888;
  margin-top: -8px;
  margin-bottom: 10px;
  text-align: center;
}

/* Imagem principal dos posts */
.post-img {
  width: 70%;
  max-width: 1000px;
  display: block;
  margin: 18px auto;
  border-radius: 12px;
  object-fit: cover;
  backface-visibility: hidden;
}

.product h4 {
  font-size: 1.3rem;
  margin: 10px 0;
  color: #000;
  font-weight: 700;
}

.product p {
  font-size: 0.95rem;
}

.price {
  font-weight: 700;
  color: #2e7d32;
}

/* BOTÕES */
.btn {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 22px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.amazon {
  background: var(--primary);
  color: #fff;
}

/* Centraliza botões usados como CTA em posts */
.center-btn {
  display: block;
  /* Faz o botão ocupar apenas a largura do conteúdo e permite centralizar com margin:auto */
  width: -moz-fit-content;
  width: fit-content;
  margin: 18px auto;
}

/* Layout do artigo - centraliza conteúdo e melhora espaçamentos */
.article-content article {
  max-width: 960px;
  margin: 30px auto;
  padding: 0 18px;
}

.article-content h1 {
  font-size: 2rem;
  margin-bottom: 14px;
}

.article-content h2 {
  font-size: 1.5rem;
  margin: 24px 0 12px;
}

.article-content h3 {
  margin: 16px 0 8px;
}

.article-content p {
  margin-bottom: 14px;
  line-height: 1.7;
}

.article-content hr {
  margin: 28px 0;
  border: 0;
  height: 1px;
  background: #e6e6e6;
}

/* Imagens do artigo responsivas e centralizadas */
.article-content img {
  width: 100%;
  max-width: 720px; /* padroniza largura visual */
  height: auto; /* mantém proporção sem cortar */
  max-height: 480px; /* limita altura para aparência consistente */
  display: block;
  margin: 18px auto;
  border-radius: 12px;
  object-fit: contain; /* evita crop; preserva aspecto */
  background: #fff; /* evita áreas vazias com contraste */
  padding: 6px; /* pequena margem interna para melhor aparência */
}

/* Centraliza o botão .amazon dentro do artigo mantendo o padding (tamanho do texto) */
.article-content .btn.amazon {
  display: block;
  width: -moz-fit-content;
  width: fit-content;
  margin: 14px auto 26px auto;
  padding: 12px 24px;
}

/* Garante que botões com a classe center-btn fiquem centralizados com espaçamento consistente */
.article-content .center-btn {
  display: block;
  margin: 12px auto 22px auto;
}

/* Ajustes de tabela dentro do artigo */
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 24px;
}
.article-content table th,
.article-content table td {
  padding: 10px 12px;
  border: 1px solid #e9e9e9;
  text-align: left;
}

@media (max-width: 768px) {
  .article-content article { padding: 0 12px; }
  .article-content h1 { font-size: 1.6rem; }
  .article-content img { height: auto; max-height: 360px; }
}

/* Vídeo responsivo dentro de artigos */
.video {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 18px auto;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
}
.video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
/* Vídeo HTML5 dentro de artigos */
.article-content video {
  width: 100%;
  max-width: 720px;
  height: auto;
  display: block;
  margin: 18px auto;
  border-radius: 12px;
  background: #fff;
}

/* Permite fundo transparente apenas para vídeos com a classe .post-video */
.article-content .post-video {
  background: transparent !important;
}


/* Pequenos ajustes de espaçamento para a classe .post */
.article-content .post { margin-bottom: 30px; }

/* REVIEWS */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.review-card {
  background: #fff;
  padding: 25px;
  border-radius: 14px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.05);
  will-change: transform, box-shadow;
  backface-visibility: hidden;
}
.review-card h3 { font-weight: 700; }

.review-card img {
  width: 60%;
  display: block;
  margin: 0 auto 18px auto;
  border-radius: 10px;
  object-fit: contain;
  backface-visibility: hidden;
}

.review-card a {
  display: inline-block;
  margin-top: 10px;
  font-weight: 600;
  color: var(--secondary);
  text-decoration: none;
}

/* Cards clicáveis: feedback visual acessível */
.review-card[role="link"], .product[role="link"] {
  cursor: pointer;
}
.review-card[role="link"]:hover, .product[role="link"]:hover {
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}

/* FOOTER */
footer {
  margin-top: 60px;
  background: var(--header-bg);
  color: #fff;
  text-align: center;
  padding: 30px 20px;
  font-size: 0.95rem;
}

footer a {
  color: #fff;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Footer estruturado */
.footer-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 20px auto 0;
  text-align: left;
}
.footer-columns h4 { margin-bottom: 8px; }
.footer-copy { margin-top: 18px; opacity: .9; }

/* Transição de páginas: overlay suave */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  opacity: 0;
  pointer-events: none;
  z-index: 900; /* abaixo do header (1000) para não cobrir o topo */
  will-change: opacity;
}

/* Fallback de entrada suave (sem GSAP) */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
}

/* Skeleton shimmer para imagens/vídeos até carregarem */
.skeleton {
  position: relative;
  background: #f2f2f2;
  overflow: hidden;
}
.skeleton::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.35) 50%, rgba(255,255,255,0) 100%);
  transform: translateX(-100%);
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* RESPONSIVO */
@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 2rem; }
  /* Menu móvel: escondido até abrir */
  .menu { display: none; flex-direction: column; gap: 8px; padding: 12px 20px; background: #000; position: absolute; top: 70px; left: 0; right: 0; }
  .menu.menu--open { display: flex; }
  /* Botão hamburguer */
  .menu-toggle { display: inline-flex; align-items: center; gap: 8px; background: transparent; border: 2px solid #fff; color: #fff; padding: 8px 12px; border-radius: 8px; font-weight: 600; }
  .menu-toggle::before { content: "☰"; font-size: 1.2rem; }
}

/* Acessibilidade: foco visível em elementos interativos */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.menu a:focus-visible { background: rgba(255, 255, 255, 0.25); }

/* Breadcrumbs simples para páginas internas */
.breadcrumb {
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 0 15px;
  font-size: 0.95rem;
  color: #666;
}
.breadcrumb a {
  color: var(--primary);
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; color: #aaa; }

/* Box de autor para reforçar E-E-A-T */
.author-box {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 16px;
  max-width: 960px;
  margin: 24px auto 0;
}
.author-box h4 { margin-bottom: 6px; font-weight: 700; }
.author-box p { margin: 6px 0; font-size: 0.95rem; }

/* Lista de prós e contras */
.pros-cons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 12px 0 18px;
}
.pros-cons .pros, .pros-cons .cons {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 14px 16px;
}
.pros-cons h4 { margin-bottom: 8px; }
.pros-cons ul { padding-left: 18px; }
.pros-cons li { margin-bottom: 6px; }