/* Versió de mòbil */

* {
    margin: 5px;
    border-radius: 5px;
}

header {
    background: #003366;
    color: white;
    padding: 1rem;
    text-align: left;  
}

h1, h2, h3 {
    width: 100%;
    text-align: left;
}

h3 {
    width: 100%;
    text-align: left;
    color: black;
}

h4 {
    width: 100%;
}

nav {
    background-color: #05475e;
    width: 100%;
    min-height: 40px; 
    line-height: 40px;
}

nav select {
    display: inline;
    background-color: white;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

nav ul li {
    position: relative;
    list-style: none;
}

nav ul li a {
    display: block;
    color: white;
    padding: 15px 25px;
    text-decoration: none;
    font-weight: bold;
}

nav ul li a:hover {
    background-color: #036;
    color: #ffcc00;
    border-radius: 5px;
}

nav ul li ul {
    display: none;
    position: absolute;
    top: 100%;   
    left: 0;
    background-color: #05475e;
    min-width: 200px;
    border-radius: 5px;
    padding: 0;
    z-index: 1000;
}

nav ul li:hover ul {
    display: block;
}
body {
    display: grid;
    grid-template-areas: 
        "header header"
        "nav nav"
        "main aside"
        "footer footer";
    grid-template-columns: 1fr 250px;
    grid-template-rows: auto auto 1fr auto;
    min-height: 100vh;
    margin: 0;
}

header {
    grid-area: header;
}

nav {
    grid-area: nav;
}

main {
    grid-area: main;
    padding: 10px;
    box-sizing: border-box;
}

aside {
    grid-area: aside;
    width: 250px;                    
    background-color: #00d0ff;
    padding: 20px;
    box-sizing: border-box;
    border-radius: 6px;
}

footer {
    grid-area: footer;
    background-color: #99ff99;
    width: 100%;
    text-align: center;
    padding: 10px;
}

.ofertes article {
    background-color: blueviolet;
    padding: 15px;
    border-radius: 10px;
    max-width: 1000px;
    width: 100%;
    margin: 10px 0;
    text-align: left;
}

.ofertes article img {
    display: block;
    max-width: 100%;
    height: auto;
    margin-left: 0;       
    border-radius: 8px;
}

.ofertes article p {
    text-align: left;     
    margin-top: 10px;
}

 

.categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start; 
}

.categories article {
    background-color: #1eb16c;
    width: 22%;
    min-width: 150px;
    margin: 10px;
    text-align: left;
    color: white;
}

.ofertes {
    display: flex;
    justify-content: flex-start;  
    align-items: flex-start;
}
iframe {
    display: block;
    width: 100%;          
    max-width: 800px;   
    height: 400px;       
    border: none;
    border-radius: 8px;
}  
.contenedor {
  text-align: center;
 display: block;
  margin: 0 auto;
}