.contenedor-header{
    background: rgba(30, 35, 38, .75);
    background: color-mix(in srgb, var(--color-fondo-oscuro) 75%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 99;
    transition: background-color .4s ease, box-shadow .4s ease;
    animation: header-entrada .6s ease both;
}
.contenedor-header.scrolled{
    background: rgba(30, 35, 38, .95);
    background: color-mix(in srgb, var(--color-fondo-oscuro) 95%, transparent);
    box-shadow: 0 4px 20px rgba(0, 0, 0, .35);
}
@keyframes header-entrada{
    from{ transform: translateY(-100%); opacity: 0; }
    to{ transform: translateY(0); opacity: 1; }
}
.contenedor-header header{
    max-width: 1100px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
}

/* LOGO */
.logo {
    display: flex;
    align-items: center;
}
.logo img.logo-image {
    width: 48px;
    height: 48px;
    object-fit: contain;
    margin-right: 12px;
    transition: transform .4s ease;
}
.logo a:hover img.logo-image{
    transform: rotate(-8deg) scale(1.08);
}
.contenedor-header header .logo a{
    display: flex;
    align-items: center;
    font-family: var(--fuente-titulo);
    font-size: 22px;
    letter-spacing: .5px;
    color: var(--color-acento);
    text-decoration: none;
}

/* LINKS */
.contenedor-header header ul{
    display: flex;
    list-style: none;
}
.contenedor-header header nav ul li a{
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--color-texto);
    margin: 0 12px;
    padding: 10px 2px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    transition: color .3s ease;
}
.contenedor-header header nav ul li a i{
    font-size: 13px;
    transition: color .3s ease;
}
.contenedor-header header nav ul li a::after{
    content: "";
    position: absolute;
    left: 0;
    bottom: 4px;
    width: 100%;
    height: 2px;
    background-color: var(--color-acento);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .35s ease;
}
.contenedor-header header nav ul li a:hover,
.contenedor-header header nav ul li a.active{
    color: var(--color-acento);
}
.contenedor-header header nav ul li a:hover::after,
.contenedor-header header nav ul li a.active::after{
    transform: scaleX(1);
    transform-origin: left;
}

/* TOGGLE MENU RESPONSIVE */
.nav-toggle{
    background: transparent;
    border: 2px solid var(--color-acento);
    color: var(--color-acento);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    display: none;
    transition: background-color .3s ease, color .3s ease, transform .2s ease;
}
.nav-toggle:hover{
    background-color: var(--color-acento);
    color: var(--color-fondo-oscuro);
}
.nav-toggle:active{
    transform: scale(.92);
}

@media (max-width: 768px){
    .nav-toggle{
        display: block;
    }
    .contenedor-header header nav#nav{
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(30, 35, 38, .98);
        background: color-mix(in srgb, var(--color-fondo-oscuro) 98%, transparent);
        backdrop-filter: blur(10px);
        max-height: 0;
        overflow: hidden;
        transition: max-height .4s ease;
    }
    .contenedor-header header nav#nav.responsive{
        max-height: 320px;
    }
    .contenedor-header header nav#nav ul{
        flex-direction: column;
        padding: 10px 20px 24px;
    }
    .contenedor-header header nav ul li a{
        display: flex;
        margin: 0;
        padding: 12px 0;
    }
}