*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f4f7f6;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
nav {
    background-color: #2c3e50;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    display: flex;
    position: relative; 
    min-height: 70px;
}

.a1 {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%); 
    display: flex; 
    align-items: center;
}

a:hover{
    color: #e67e22;
    text-decoration: none;
}


.logo {
    max-width: 50px;
    height: auto; 
}

.buscar {
    padding: 20px;
    display: flex;
    font-size: 10px;
    gap: 50px;
    justify-content: center;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #ecf0f1;
}

nav a:hover{
    color: #e67e22;
    text-decoration: none;
}

main {
    text-align: center;
    padding-top: 20px;
    padding-bottom: 30px;
}

main h1{
    color: #2c3e50;
}

.caja2 {
    display: inline-block;
    padding: 20px;
    text-align: center;
    width: 100%;
    height: 100%;
    max-width: 30%;
    max-height: 50%;
    margin: 10px;
    border-radius: 10px;
} 

.caja2 img {
    width: 100%;
    height: 350px;
    border-radius: 10px;
    transition: transform 0.3s ease; 
}

.caja2 img:hover {
    transform: scale(1.05);
    cursor: pointer;
}

.caja2 p {
    font-size: 20px;
    padding: 10px;
    color: #2c3e50;
}

footer {
    display: flex;
    background-color: #2c3e50; 
    color: white;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
    gap: 10px;
}

footer a {
    text-decoration: none;
    color: #ecf0f1;
    display: flex;
    gap: 5px;
}

@media (max-width: 768px) {
    nav { 
        flex-direction: column; 
        height: auto; 
        padding: 15px; 
    }
    .a1 {
        position: static; 
        transform: none;
        margin-bottom: 10px;
    }
    .buscar { 
        flex-direction: column; 
        gap: 10px;
        font-size: 16px;
    }
    .caja2 { 
        max-width: 90%; 
        margin: 10px auto; 
        display: block;
    }
    footer {
        position: static;
        flex-direction: column;
        align-items: center;
        padding: 15px;
    }
}