:root {
  --main-color: rgb(131, 77, 85);
  --black: #13131a;
  --bg: rgb(250, 245, 240);
  --border: 0.1rem solid rgba(131, 77, 85, 0.3);
  --text-dark: #222;
  --text-light: #666;
  --btn-bg: var(--main-color);
  --btn-hover: #7d4e56;
}

body {
  background-color: var(--bg);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 2rem 1rem;
  color: var(--text-dark);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.detalhes-container {
  background-color: #fff;
  max-width: 900px;
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(131, 77, 85, 0.3);
  padding: 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.detalhes-box img {
  width: 100%;
  max-height: 500px;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(131, 77, 85, 0.2);
  transition: transform 0.3s ease;
}

.detalhes-box img:hover {
  transform: scale(1.05);
}

.detalhes-box h2 {
  font-size: 3rem;
  color: var(--main-color);
  margin-bottom: 1rem;
  font-weight: 700;
}

.detalhes-box p {
  font-size: 1.5rem;
  line-height: 1.5;
  margin-bottom: 0.8rem;
}

.detalhes-box p strong {
  color: var(--main-color);
}

.detalhes-box .price {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 1rem;
}

.detalhes-box .price span {
  text-decoration: line-through;
  font-weight: 400;
  color: var(--text-light);
  margin-left: 12px;
  font-size: 1.8rem;
}

.tamanhos {
  margin: 1rem 0;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.tamanhos span {
  background-color: var(--main-color);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-weight: 700;
  cursor: default;
  user-select: none;
  box-shadow: 0 2px 5px rgba(131, 77, 85, 0.4);
  transition: background-color 0.3s ease;
}

.tamanhos span:hover {
  background-color: var(--btn-hover);
}

.btn.voltar-btn {
  max-width: 200px;
  margin: 0 auto;
  background-color: var(--btn-bg);
  color: white;
  font-size: 1.6rem;
  padding: 0.9rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  font-weight: 600;
  box-shadow: 0 3px 8px rgba(131, 77, 85, 0.5);
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn.voltar-btn:hover {
  background-color: var(--btn-hover);
  transform: scale(1.05);
}

.detalhes-box a.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 1rem 2.8rem;
  background-color: var(--btn-bg);
  color: white;
  font-weight: 700;
  font-size: 1.8rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(131, 77, 85, 0.5);
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-decoration: none;
}

.detalhes-box a.btn:hover {
  background-color: var(--btn-hover);
  transform: scale(1.05);
}

/* Responsividade */

@media (max-width: 768px) {
  body {
    padding: 1rem 1rem;
  }

  .detalhes-container {
    padding: 2rem 1.5rem;
  }

  .detalhes-box h2 {
    font-size: 2.4rem;
  }

  .detalhes-box p,
  .detalhes-box .price {
    font-size: 1.3rem;
  }

  .btn.voltar-btn {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .detalhes-box h2 {
    font-size: 2rem;
  }

  .detalhes-box p,
  .detalhes-box .price {
    font-size: 1.1rem;
  }

  .btn.voltar-btn {
    font-size: 1.2rem;
    padding: 0.7rem 1.2rem;
  }
}