*{
    margin: 0;
    padding: 0;
}
header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    transition: 0.7s;
    padding: 30px;
    z-index: 20;
}
header.abajo{
    background: #fff;
    padding: 15px;
    box-shadow: 10px 1px 10px;

}
nav{
    display: flex;
    justify-content: center;
    align-items: center;
}
header ul{
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
header ul li{
    list-style: none;
}
header ul li a{
    position: relative;
    margin: 0 15px;
    text-decoration: none;
    color: #fff;
    letter-spacing: 2px;
    font-weight: 600;
    transition: 0.3s;
}

header ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: #ea580c; /* Color orange-600 */
    left: 0;
    bottom: -5px;
    transition: width 0.3s ease-in-out;
    box-shadow: 10px 13px 10px;
}

header ul li a:hover {
    color: #ea580c; /* Color orange-600 */
}

header ul li a:hover::after {
    width: 100%;
}
.fondo1{
    position: relative;
    width: 100%;
    height: 100vh;
    background: url(../assets/images/main.jpg);
    background-size: cover;
    background-position: center center;
}
header.abajo .logo,
header.abajo nav ul li a{
    color: black;
}