* { margin: 0; padding: 0; box-sizing: border-box; font-family: "Segoe UI", sans-serif; }
    body { background: linear-gradient(135deg, #0c0c0f, #1a1a22); color: #e5e5e5; }

    header {
      backdrop-filter: blur(12px);
      background: rgba(20,20,25,0.7);
      padding: 18px 40px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #333;
      position: sticky;
      top: 0;
      z-index: 10;
    }

    header a {
      color: #e5e5e5;
      text-decoration: none;
      font-size: 18px;
      transition: 0.3s;
    }

    header a:hover { color: #8ab4ff; }

    .container {
      width: 90%;
      margin: auto;
      padding: 40px 0;
      animation: fadeIn 0.5s ease-out;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(15px);} 
      to { opacity: 1; transform: translateY(0);} 
    }

    .vista-producto {
      width: 100%;
      max-width: 900px;
      margin: auto;
      background: rgba(255,255,255,0.03);
      padding: 30px;
      border-radius: 15px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.05);
      box-shadow: 0 0 20px rgba(0,0,0,0.4);
    }

    .vista-producto img {
      width: 100%;
      border-radius: 12px;
      box-shadow: 0 0 25px rgba(0,0,0,0.5);
    }

    h1 { font-size: 38px; margin-bottom: 15px; }
    h2 { font-size: 30px; color: #8ab4ff; margin-bottom: 15px; }
    p { font-size: 17px; line-height: 1.6; margin-bottom: 20px; }

    button {
      padding: 14px 22px;
      background: #8ab4ff;
      color: #000;
      border: none;
      border-radius: 10px;
      font-size: 18px;
      cursor: pointer;
      transition: 0.3s;
      font-weight: 600;
    }

    button:hover {
      background: #5e8fff;
      transform: translateY(-2px);
    }