:root {
  --container: 1100px;
  --accent: #b8860b;
  --muted: #6b6b6b;
  --bg: #fff;
  --text: #222;
}
* {
  box-sizing: border-box;
}
body {
  font-family: Montserrat, system-ui, Arial, sans-serif;
  margin: 0;
  color: var(--text);
  background: var(--bg);
}
a {
  color: inherit;
  text-decoration: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  border-bottom: 1px solid #eee;
  background: #fff;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.logo {
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 20px;
}
.main-nav a {
  margin: 0 12px;
  color: var(--muted);
  font-weight: 600;
}

/* Grade de produtos */
.products {
  padding: 40px 0;
}
.section-title {
  font-size: 24px;
  margin: 0 0 18px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  background: #fff;
  border: 1px solid #eee;
  padding: 12px;
  border-radius: 6px;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}
.card-link {
  cursor: pointer;
}
.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 4px;
  background: #f6f6f6;
}
.card h3 {
  font-size: 16px;
  margin: 10px 0 6px;
}
.price {
  color: var(--accent);
  font-weight: 700;
}

/* Botões */
.btn {
  display: inline-block;
  padding: 12px 22px;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  font-size: 15px;
}

/* Página do produto */
.produto-detalhe {
  padding: 30px 0;
}
.voltar {
  color: var(--muted);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 20px;
}
.produto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.produto-foto-principal {
  width: 100%;
  border-radius: 8px;
  background: #f6f6f6;
}
.miniaturas {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}
.miniaturas img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  background: #f6f6f6;
}
.miniaturas img.ativa {
  border-color: var(--accent);
}
.produto-categoria {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 13px;
}
.produto-info h1 {
  margin: 8px 0 16px;
  font-size: 30px;
}
.price.grande {
  font-size: 28px;
}
.produto-descricao {
  color: #444;
  line-height: 1.6;
  margin: 18px 0 26px;
}

/* Footer */
.site-footer {
  border-top: 1px solid #eee;
  padding: 22px 0;
  margin-top: 36px;
  background: #fafafa;
  color: var(--muted);
}

/* Responsivo */
@media (max-width: 900px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .produto-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}
@media (max-width: 520px) {
  .grid {
    grid-template-columns: 1fr;
  }
}