:root {

  --lighter-cyan: #66B8C6;
  --darker-cyan: #277699;
  --lighter-blue: #4B81BC;
  --darker-blue: #244980;
  --lighter-purple: #744893;
  --darker-purple: #502C68;
  --lighter-pink: #BA5F94;
  --darker-pink: #932769;

  --border-color: #CCC;
  --dimmed: var(--border-color);
  --regular-text: #777;
  --regular-text-negative: white;
  --colored-text: var(--lighter-purple); 
  --dark-colored-text: var(--darker-blue);
  --hero-text: white;

  --selection-bg: var(--lighter-pink); 

  --nav-bg: var(--darker-blue); 

  --hero-bg: var(--lighter-blue); 
  --capitulos-bg: white; 
  --sobre-bg: white; 
  --barra-logos-bg: var(--darker-blue);
  --contactos-bg: white;
  --footer-bg: var(--darker-purple);

  --lightest-weight: 300;
  --second-lightest-weight: 400;
  --slightly-bold-weight:  500;
  --weak-bold-weight:  600;
  --second-boldest-weight: 700;
  --boldest-weight: 800;

  --letter-spacing: 0.1px;

  /* nav --------------------*/
  
  --color-not-active: white;
  --color-not-active-hamburger: var(--darker-blue);
  --color-not-active-if-hover: white;
  --color-not-active-if-hover-hamburger: var(--darker-cyan);
  --color-not-active-if-hover-itself-bg-hamburger: white;
  --color-not-active-line-if-hover: white;
  --color-not-active-line-if-hover-x: white;
  --color-active: white;
  --color-active-bg-hamburger: var(--darker-cyan);
  --color-active-line: white;

  --color-active-if-other-is-hover:  white;
  --color-active-if-other-is-hover-bg-hamburger: var(--darker-cyan);

  --color-active-if-hover-itself: white;
  --color-active-line-if-hover-itself: white;
  --color-active-if-hover-itself-bg-hamburger: var(--darker-cyan);

  /* /nav --------------------*/
}

* {
  font-family: 'Open Sans', Helvetica, Arial, sans-serif;
}

p {
    font-size: 1rem;
    letter-spacing: 0;
    color: var(--regular-text);
    font-weight: var(--lightest-weight);
}
strong {
  font-weight: var(--weak-bold-weight);
}

a {
  color: var(--regular-text);
}
a:active, a:hover, a:focus {
  color: var(--lighter-pink);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--darker-blue);
}
h1{
  font-size: 2.25rem;
  font-weight: var(--second-boldest-weight);
  margin: 2rem 0 1rem 0;
  letter-spacing: var(--letter-spacing);
}
h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1.5rem 0;
  font-weight: var(--second-boldest-weight);
  color:  var(--darker-pink);
}

br {
  margin-bottom: 0.33rem;
}

::-moz-selection {
  color: white;
  background: var(--selection-bg);
}
::selection {
  color: white;
  background: var(--selection-bg);
}

html .scroll-to-top {
  background-color: var(--lighter-pink);
  color: white;
} 
html .scroll-to-top:hover {
  opacity: 0.9;
  color: white;
} 


.fab:not(.fa-chevron-up), .fas:not(.fa-chevron-up) {
  color: var(--dark-colored-text) !important;
  border: none !important;
}
.fas.fa-chevron-right.icon-negative {
  color: white !important;
}

.fab:link, .fas:link {
  text-decoration: none;
}
.social-icons li:hover.social-icons-facebook a {
  background: none !important;
}
.social-icons li:hover.social-icons-linkedin a {
  background: none !important;
}
#header .fab:not(#hamburger-inside), #header .fas:not(#hamburger-inside) {
  color: white !important;
}

.header-body {
  background-color: var(--nav-bg) !important;
}
.header-body .d-xs-block {
    display: block !important;
}

/* nav ---------------------------------------*/

@media (min-width: 992px) { 

  #header .header-nav.header-nav-line.header-nav-bottom-line.header-nav-bottom-line-active-text-light nav > ul li > a:hover:before {
      background: var(--color-not-active-line-if-hover) !important;
  }

  #header .header-nav.header-nav-line nav > ul:not(:hover) li > a.active:before {
      background: var(--color-active-line) !important;
  }
  #header .header-nav.header-nav-line nav > ul li > a.active:hover:before {
      background: var(--color-active-line-if-hover-itself) !important;
  }
}

@media (min-width: 0px) {
  #header .header-nav.header-nav-links.header-nav-light-text nav > ul > li > a, 
  #header .header-nav.header-nav-line.header-nav-light-text nav > ul > li > a {
    color: var(--color-not-active) !important;
  }
  #header .header-nav.header-nav-line.header-nav-bottom-line.header-nav-bottom-line-active-text-light nav > ul li > a:hover {
    color:  var(--color-not-active-if-hover) !important;
  }

  #header .header-nav.header-nav-line.header-nav-bottom-line.header-nav-bottom-line-active-text-light nav > ul:not(:hover) li > a.active {
    color:  var(--color-active) !important;
  }
  #header .header-nav.header-nav-line.header-nav-bottom-line.header-nav-bottom-line-active-text-light nav > ul li > a.active {
    color:  var(--color-active-if-other-is-hover) !important;
  }
  #header .header-nav.header-nav-line.header-nav-bottom-line.header-nav-bottom-line-active-text-light nav > ul li > a.active:hover {
    color:  var(--color-active-if-hover-itself) !important;
  }
}

@media (max-width: 991px) { /*   992-1 /!\   */
  #header .header-nav.header-nav-links.header-nav-light-text nav > ul > li > a, 
  #header .header-nav.header-nav-line.header-nav-light-text nav > ul > li > a {
    color: var(--color-not-active-hamburger) !important;
  }
  #header .header-nav.header-nav-line.header-nav-bottom-line.header-nav-bottom-line-active-text-light nav > ul li > a:hover {
    color:  var(--color-not-active-if-hover-hamburger) !important;
    background-color: var(--color-not-active-if-hover-itself-bg-hamburger) !important;
  }

  #header .header-nav.header-nav-line.header-nav-bottom-line.header-nav-bottom-line-active-text-light nav > ul:not(:hover) li > a.active {
    /*color:  var(--color-active) !important;*/
    background-color: var(--color-active-bg-hamburger) !important;
  }
  #header .header-nav.header-nav-line.header-nav-bottom-line.header-nav-bottom-line-active-text-light nav > ul li > a.active {
    /*color:  var(--color-active-if-other-is-hover) !important;*/
    background-color: var(--color-active-if-other-is-hover-bg-hamburger) !important;
  }
  #header .header-nav.header-nav-line.header-nav-bottom-line.header-nav-bottom-line-active-text-light nav > ul li > a.active:hover {
    /*color:  var(--color-active-if-hover-itself) !important;*/
    background-color: var(--color-active-if-hover-itself-bg-hamburger) !important;
  }
}

#header .header-btn-collapse-nav {
background: white;
}
#hamburger-inside {
  color: var(--darker-blue) !important;
}


#intro-p {
  margin-top: 2rem;
}

/* nav ---------------------------------------*/


@media (min-width: 0px) {
  #btn-autores {
    background-color: var(--darker-cyan);
    border: 0;
  }
}
@media (min-width: 576px) {
  #btn-autores {
    font-size: 1rem;
    min-width: 300px;
  }
}
#btn-autores span {
  background-color: var(--lighter-cyan);
}
.btn-with-arrow-solid i {
    font-size: 0.8rem;
    top: 0px;
    left: 0.5px;
}

.card{
  border: 0;
}

@media (min-width: 0px) {
  .sobre .card-body {
    padding-top: 0;
    padding-right: 0;
    padding-left: 0;
  }
}
@media (min-width: 768px) {
  .sobre .card-body {
/*    padding-right: 2rem;*/
    padding-left: 2rem;
  }
}

@media (min-width: 0px) { 
  .card-person img {
    margin-bottom: 1em;
    border-radius: 0 !important;
  }
}
@media (min-width: 768px) { 
  .card-person img {
    margin-bottom: inherit;
  }
  .card-person .card-body {
    padding-bottom: 0 !important;
  }
}
.card-coord-left {

}
.card-coord-right {

}
/*.card-body .card-title {
  font-size: 1.1rem !important;
}*/
@media (min-width: 0px) { 
  .card-person .card-title {
    font-weight: var(--second-boldest-weight) !important;
    font-size: 1rem !important;
    letter-spacing: var(--letter-spacing);
    color: var(--darker-blue);
    margin-bottom: 0; 
    margin-bottom: 0.25rem; /* se .card-text-institution escondido */
    padding-bottom: 0;
    /*height: 2.25rem;*/
  }
}
@media (min-width: 768px) { 
  .card-person .card-title {
    height: inherit;
  }
}
.card-person .card-text-institution {
  display: none;
  color: var(--darker-blue);
  margin-bottom: 0.75rem; 
  padding-bottom: 0 !important;
}
.card-person .card-text {
  font-weight: var(--lightest-weight) !important;
}

.main {
  background-color: var(--hero-bg); 
}
.hero-bg {
  position: relative;
}
.hero-text { 
    position: absolute;
    color: var(--hero-text);
}
.first-line{
  font-weight: var(--lightest-weight);
}
.second-line{
  font-weight: var(--boldest-weight);
}
#btn-download {
  position: absolute;
  background-color: var(--darker-cyan);
  border: 0;
}

@media (min-width: 0px) { /* para já... */
  .hero-bg {
    background: url("../img/hero-small.svg");
    /* background-color: var(--hero-bg);  <-- parece que para ser relevante no 
    mesmo objeto tem de vir depois do background. Alternativa: colocar no contentor de fora */
    
    background-repeat: no-repeat;
    background-position: center bottom;

    /* background-size: 360px;
    height: 30rem;*/

    background-size: cover;
    height: 140vw;
    max-height: 40rem;
    min-height: 26rem;
  }
  .hero-text { 
    left: 1rem;
    line-height: 1.75rem;
    font-size: 1.25rem;
    max-width: 90vw;
  }
  .first-line{
    top: 2rem;
  }
  .second-line{
    top: 4rem;
  }
  #btn-download {
    font-size: 0.8rem; /* <---- quando se tirar o "Em breve: " colocar 1rem             /!\    */
    left: 1rem;
    top: 8rem;
  }
}
@media (min-width: 360px) {
  .hero-bg {
    background-size: cover;
    height: 130vw;
    max-height: 40rem;
  }
  .hero-text { 
    left: 3rem;
  }
  #btn-download {
    font-size: 1rem;
    left: 3rem;
    top: 7rem;
  }  
}
@media (min-width: 576px) {
  .hero-bg {    
    background: url("../img/hero.svg");
    /* background-color: var(--hero-bg);  <-- parece que para ser relevante no 
    mesmo objeto tem de vir depois do background. Alternativa: colocar no contentor de fora */

    min-height: unset;
    max-width: unset;
    max-height: unset;

    background-repeat: no-repeat;
    background-position: center bottom;
    height: 56.25vw; /*16:9*/
    max-height: 30rem;
 
  }
  .hero-text { 
    color: var(--hero-text);
    position: absolute;
    left: 3rem;
    line-height: 1.75rem;
    font-size: 1.25rem;
    max-width: 45vw;
  }
  .first-line{
    top: 3rem;
  }
  .second-line{
    top: 5rem;
  }
  #btn-download {
    top: unset;
    bottom: 3rem;
  }
}

#btn-download .download-icon {
    content: url("../img/file-download-white.svg");
    height: 1.25em;
    width: auto;
    margin-left: 0.5rem;
    padding-bottom: 4px;
    vertical-align: middle;
}

@media (min-width: 576px) { 
  .hero-text { 
    letter-spacing: var(--letter-spacing);
    line-height: 2.25rem;
    font-size: 2rem;
  }
  .second-line{
    top: 6rem;
  }
}
@media (min-width: 768px) { 
  .hero-text { 
    line-height: 2.8rem;
    font-size: 2.5rem;
  }
  .second-line{
    top: 6.5rem;
  }
}
@media (min-width: 992px) { 
  .hero-text { 
    line-height: 3.25rem;
    font-size: 3rem;
  }
  .second-line{
    top: 7rem;
  }
}
@media (min-width: 1200px) {  /* xl */
  .hero-text { 
    line-height: 4.25rem;
    font-size: 4rem;
  }
  .second-line{
    top: 8rem;
  }
}

.capitulos{
  background-color: var(--capitulos-bg);
  color: var(--regular-text) !important;
  line-height: 150%;
/*  font-size: 1rem;*/
}

/*.accordion > .card {
  border: 1px solid transparent !important;
  transition: ease border-color 300ms;
}*/

.accordion-toggle {
  position: relative;
}
.placed-to-the-right {
  position: absolute;
  top: 10px;
  right: 70px;
  padding: 10px;
}
.icon-negative {
  color:  white !important;
}

.accordion > .card .card-header a {
  position: relative;
  padding: 23px 30px;
/*  background-color: #f4f4f4;*/
  transition: ease background-color 300ms, ease color 300ms;
}

.accordion > .card .card-header a:after {
  font-family: 'Font Awesome 5 Free';
  content: "\f107";
  font-weight: 900;
  transform: translate3d(0, -50%, 0) rotate(180deg);
  position: absolute;
  top: 50%;
  right: 40px;
  transition: ease transform 300ms;
}

/*.accordion > .card .card-header a:after {
  transform: translate3d(0, -50%, 0) rotate(0deg);
}*/


.accordion > .card .card-header a.collapsed:after {
    transform: translate3d(0, -50%, 0) rotate(0deg);
}

.accordion .card {
    margin-top: 0px;
    border-radius: 0;
    border: 0;
}
.accordion .card:first-of-type, .accordion .card:not(:first-of-type):not(:last-of-type), .accordion .card:last-of-type {
    border: 0.25px var(--border-color) solid;
    border-radius: 0;
}
#accordion-capitulos {
} 
#accordion-capitulos .card-header a {
    color: white;
    padding-top: 20px;
    padding-bottom: 20px;
    font-weight: var(--weak-bold-weight);
}
#accordion-capitulos .card-header {
  border-radius: 0;
}
#accordion-capitulos #collapse1HeadingOne {
  background-color: var(--darker-cyan);

}
#accordion-capitulos #collapse1HeadingTwo {
  background-color: var(--darker-blue);

}
#accordion-capitulos #collapse1HeadingThree {
  background-color: var(--darker-purple);

}
#accordion-capitulos #collapse1HeadingFour {
  background-color: var(--darker-pink);
}

.capitulo {
  position: relative;
  color: var(--regular-text);
}
.capitulo .capitulo-titulo {
  font-weight: var(--slightly-bold-weight);
  margin: 0;
}
.capitulo .capitulo-autores {
  font-weight: var(--lightest-weight);  
}
.capitulo .download-button {
  content: url("../img/file-download.svg");
  height: 1.25rem;
  width: auto;
  position: absolute; 
  top:  1em;
  right: 0px;
}
.capitulo .download-button.pending-pdf {
  content: url("../img/file-download-dimmed.svg");
  color: red !important;
}
.capitulo .preview-button {
  visibility: hidden;  /* <-------------------------------------------- */
  content: url("../img/file-preview.svg");
  height: 1.25rem;
  width: auto;
  position: absolute; 
  top:  1em;
  right: 50px;
}
.capitulo .preview-button.pending-pdf {
  content: url("../img/file-preview-dimmed.svg");
}

.capitulo .ready {
  background-color: red;
}

.sobre{
  background-color: var(--sobre-bg);
  color: var(--regular-text-negative) !important;
  line-height: 150%;
  font-size: 1rem;
}

a.orcid-link-in-logo {
  content: url("../img/orcid-logo.svg");
  height: 1.25em;
  width: auto;
  margin-left: 0.25rem;
  margin-right: 0.75rem;
  padding-bottom: 2px;
  vertical-align: middle;
}
a.cv-link-in-logo {
  content: url("../img/cv-logo.svg");

  height: 1em;
  margin-left: 0.3rem;
  margin-right: 0.75rem;
  padding-bottom: 2px;

  width: auto;
  vertical-align: middle;
}

#collapse1HeadingOne-autores {
    background-color: var(--darker-cyan);
}

@media (min-width: 0px) {
  .author-list{
    margin-top: 1.5rem;
    padding-left: 2rem;
    padding-right: 2rem;
  }
}
@media (min-width: 768px) {
  #collapse1One-autores .card-body{
    padding-left: 0rem;
  }
}

.author-list p.author-line{
  line-height: 1rem;
  margin-bottom: 0.5rem;
  margin-top: 0;
}
.author-list p.author-line span.author-name {
  color: var(--dark-colored-text);
  font-weight: var(--second-boldest-weight) !important;
}

.author-list p.author-line span.author-afilliation {
}

.contactos{
  background-color: var(--contactos-bg);
  color: var(--regular-text);
  line-height: 150%;
  font-size: 1rem;
}

.barra-de-logos {
    background-color: var(--barra-logos-bg);
}
@media (min-width: 0px) {
  .barra-de-logos {
      text-align: center;
  }
}
@media (min-width: 992px) {
  .barra-de-logos .align-left {
    text-align: left;
  }
  .barra-de-logos .align-right {
    text-align: right;  
  }
  .barra-de-logos .align-left span {
    margin-left: 0;
  }
  .barra-de-logos .align-right span{
    margin-right: 0;
  }
  .barra-de-logos .first-to-the-left{
    margin-left: 50px;
  }
  .barra-de-logos .last-to-the-right{
    margin-right: 50px;
  }
}


.vertical-line{
    display: inline-block;
    border-left: 0.5px solid white;
/*    margin: 0 10px; */
    height: 30px;
}
@media (min-width: 0px) {
  .logos { /* barra de parceiros*/
    max-height:20px; 
    margin:20px 25px;
  }
}
@media (min-width: 360px) {
  .logos { /* barra de parceiros*/
    max-height:30px; 
    margin:20px 25px;
  }
}

footer {
  background-color: var(--footer-bg);
  color: var(--regular-text-negative);
  font-size: 0.75rem;
  font-weight: var(--lightest-weight);
  line-height: 1rem;
}
footer strong {
  font-weight: var(--slightly-bold-weight);
}