body, html {
   margin: 0;
   padding: 0;
   font-family: Arial, sans-serif;
}

header {
   background-color: #000000;
   color: #fff;
   display: flex;
   justify-content: space-between;
   align-items: center;
   padding: 10px 20px;
}

header .logo {
   display: flex;
   align-items: center;
}

header .logo img {
   height: 40px;
   margin-right: 10px;
}

header .logo span {
   font-size: 24px;
   color: #ffffff;
}

header .logo strong {
   color: #FFA500; 
}

header nav ul {
   list-style: none;
   display: flex;
   margin: 0;
   padding: 0;
}

header nav ul li {
   margin: 0 15px;
}

header nav ul li a {
   color: #fff;
   text-decoration: none;
   font-size: 16px;
}

header .auth-buttons {
   display: flex;
}

header .auth-buttons a {
   color: #fff;
   text-decoration: none;
   padding: 8px 15px;
   border-radius: 5px;
   margin-left: 10px;
   display: flex;
   align-items: center;
}

header .auth-buttons .login {
   background-color: #FFA500; 
}

header .auth-buttons .register {
   background-color: #fff;
   color: #FFA500; 
   border: 1px solid #FFA500;
}

header .auth-buttons a i {
   margin-right: 5px;
}

.contenedor-tarjetas {
   display: grid;
   grid-template-columns: repeat(2, 1fr); 
   gap: 20px; 
   padding: 20px;
}

.container {
   background-color: #fff;
   border-radius: 10px;
   box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
   overflow: hidden;
   display: flex;
   transition: transform 0.3s ease;
}

.container:hover {
   transform: scale(1.05);
}

.left {
   flex: 1;
}

.left img {
   width: 100%;
   filter: grayscale(100%); 
   transition: filter 0.3s ease, transform 0.3s ease; 
}

.left img:hover {
   filter: grayscale(0%); 
   transform: scale(1.1); 
}

.right {
   flex: 2;
   padding: 20px;
}

.tag {
   background-color: #FFA500;
   border-radius: 5px;
   color: #fff;
   display: inline-block;
   padding: 5px 10px;
   margin-bottom: 10px;
}

.titulo {
   font-size: 24px;
   margin: 10px 0;
}

.descripcion {
   font-size: 14px;
   margin-bottom: 20px;
}

.precios-y-colores {
   display: flex;
   justify-content: space-between;
   align-items: center;
   margin-bottom: 20px;
}

.precios {
   display: flex;
   flex-direction: column;
}

.precio {
   font-size: 20px;
   font-weight: bold;
   color: #000000;
}

.rebaja {
   font-size: 14px;
   color: #888;
   text-decoration: line-through;
}

.colores i {
   margin-right: 5px;
}

.añadir_a_carro a {
   background-color: #000000;
   color: #fff;
   padding: 10px 20px;
   border-radius: 5px;
   text-decoration: none;
   display: inline-block;
   transition: background-color 0.3s ease;
}

.añadir_a_carro a:hover {
   background-color: #e69500;
}

footer {
   background-color: #000000;
   color: #fff;
   padding: 20px;
   display: flex;
   justify-content: space-between;
}

.footer-section {
   flex: 1;
   margin: 0 10px;
}

.footer-section h3 {
   margin-top: 0;
}

.footer-section ul {
   list-style: none;
   padding: 0;
}

.footer-section ul li {
   margin-bottom: 10px;
}

.footer-section ul li a {
   color: #fff;
   text-decoration: none;
}

.footer-section ul li a:hover {
   text-decoration: underline;
}

.footer-section ul li a i {
   margin-right: 5px;
}