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

:root {
    --imageHeight: 100px;
    --azulLogo: #1972B7;
    --azulBackground: #4c7dad;
    --sombra: 5px 0px 15px 0px rgb(0, 0, 0, .4);
    --h2FontSize: 42px;
    --pFontSize: 18px;
    --gradiente: rgba(0,0,0,.4);
}

::selection {
    background-color: var(--azulBackground); /* Cambia el color de fondo de la selección */
    color: #ffffff; /* Cambia el color del texto seleccionado */
}

body::-webkit-scrollbar{
	width: 7px;
	/* background-color: #000; */
}

body::-webkit-scrollbar-thumb{ /* Barrita */
	width: 7px;
	background-color: rgba(255, 255, 255, .5);
}

body {
    font-family: 'Roboto', sans-serif;
    /* background: radial-gradient(at left top, #0067CC, #FFFFFF); */
    background-color: var(--azulBackground);
    background-repeat: no-repeat;
}

.btn__scrollToTop {
    background: none;
    border: none;
    position: fixed;
    z-index: 300;
    bottom: 20px;
    right: 20px;
    opacity: 0;
    transition: .4s;
    padding: 10px;
    background-color: #000;
    color: #fff;
    cursor: pointer;
}

.iconScroll {
    font-size: 20px;
}

.hidden {
    opacity: 0;
    transition: 1s;
}

.show {
    opacity: 1;
}

@keyframes animationOpacity{
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

section, main {
    animation: animationOpacity 1s;
}

/* ________________________________________________________________________________ */

/* DESKTOP NAVBAR */

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    margin: 10px;
    border-radius: 5px;
    box-shadow: var(--sombra);
    background-color: #fff;
}

.header__img {
    height: var(--imageHeight);
    
}

.nav__ul--desktop {
    display: flex;
}

.nav__li {
    list-style: none;
}

.nav__li--a {
    color: var(--azulLogo);
    font-weight: 500;
    font-size: 35px;
    padding: 0 20px;
    transition: ease .4s;
    font-weight: 700;
    text-decoration: none;
}

.nav__li::after {
    content: "";
    width: 0;
    height: 3px;
    background-color: #72abd7;
    margin: auto;
    display: block;
    transition: width .2s linear;
}

.nav__li:hover::after {
    width: 80%;
    transition: width .2s linear;
}

/* Ícono del hamburger */

.container__menuIcon {
    display: none; 
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
}

#menuIcon {
    color: var(--azulLogo);
    font-size: 40px;
}

@media screen and (max-width: 1285px) {
   .nav__ul--desktop {
        display: none;
   }
   .container__menuIcon {
        display: block;
   } 
}



/* ________________________________________________________________________________ */

/* MOBILE NAVBAR */

.nav__mobile {
    width: 100%;
    background-color: #000;
    height: 100vh;
    position: fixed;
    top: 0;
    right: 0;
    display: block;
    overflow-y: auto;
    transition: .4s;
    transform: translateX(-100%);
    z-index: 350;
}

.nav__mobile.active {
    display: block;
    transform: translateX(0);
}

/* Ícono de X */

.container__markIcon {
    color: #fff;
    font-size: 40px;
    padding-left: 10px;
    display: inline-block;
    margin-bottom: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav__ul--mobile {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: flex-start;
    min-height: 80%;
    gap: 20px;
}

.nav__ul--mobile .nav__li--a {
    padding: 10px;
    color: #fff;  
}


/* ________________________________________________________________________________ */