:root {
    
    --color-black: #000000;
    --color-white: #F4F4F4;
    --color-gray-dark: #1C1C1C;
    --color-gray-light: #A8A8A8;
    --color-green-neon: #39FF14;
    --color-blue-electric: #007BFF;
  }

.btn-contactNav {
    color: var(--white);
    border-radius: 30px;
    padding: .75rem 2rem;
    font-weight: 500;
    transition: .3s;
    border: 2px solid var(--color-black)
}


.btn-contactNav:hover {
    background-color: var(--color-amarillo);
    color: var(--color-black)
}



.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(30, 58, 138, .1);
    padding: 1rem 0
}

.btn-contactNav {
    background-color: var(--color-black)
}

.nav-link::after {
    background-color: var(--color-amarillo)
}

.navbar-brand {
    font-weight: 700;
    color: var(--color-black)
}

.nav-link {
    color: var(--color-black) !important;
    font-weight: 500;
    margin: 0 1rem;
    position: relative;
    transition: color .3s
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    color: var(--color--blue-electric);
    transition: width .3s
}

.nav-link:hover::after {
    width: 100%
}