/* General styles */

:root {
    --main-color: #011ac2;
    --light-color: #FFFFFF;
    --dark-color: #000000;
    --orange-color: #ff5f19;
    --deep-blue-color: #010d61;
}

.body {
    position: relative;
}

.sans-font h5 {
    font-size: 1.1rem;
    margin-bottom: 1.4rem;
}

.serif-font h5 {
    font-size: 1.15rem;
}



p {
    font-size: 1.05rem;
    line-height: 2;
    letter-spacing: 0.2px;
}

a:hover,
a:focus {
    text-decoration: none;
}

a:visited {
    color: #011ac2 ;
}

a {
    color: #011ac2;
    text-decoration: none;
    background-color: transparent;
    -webkit-text-decoration-skip: objects;
}

button:focus {
    outline: 0;
}

.absolute {
    position: absolute;
}

.sans-font {
    font-family: 'inconsolata', sans-serif;
}

.serif-font {
    font-family: 'Rajdhani', sans-serif;
}

.title-font {
    font-family: 'Rajdhani', medium, sans-serif;
    font-weight: 500;
    color: #011ac2;
}

/* Cover styles */

.cover-img {
    min-height: 540px;
    margin-bottom: 50px;
    background: url(../assets/img/cover.jpg) no-repeat top center fixed;
    background-size: cover;
}

/* Menu styles */

.menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    left: 1.2rem;
    position: absolute;
    top: 1.5rem;
    z-index: 9999;
}

.menu-svg {
    opacity: 1;
    -webkit-transform: scale(0.8);
    transform: scale(0.8);
    -webkit-transition: all 0.5s ease;
    transition: all 0.5s ease;
}

.menu-svg path {
    fill: none;
    stroke: var(--orange-color);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-miterlimit: 10;
    stroke-width: 4px;
}

.menu-btn:hover .icon-visible,
.menu-btn:focus .icon-visible {
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
    -webkit-transition: all 0.5s ease;
    transition: all 0.5s ease;
}

.close-icon {
    left: 27px;
    position: fixed;
    top: 24px;
}

.close-icon path {
    stroke: var(--orange-color);
}

.scaled {
    opacity: 0;
    -webkit-transform: scale(0);
    transform: scale(0);
}

/* Sidebar styles */

.sidebar {
    background-color: #011ac2;
    height: 100vh;
    left: 0;
    overflow: hidden;
    position: fixed;
    top: 0;
    -webkit-transition: all 0.75s cubic-bezier(.6, 0, .5, 1);
    transition: all 0.75s cubic-bezier(.6, 0, .5, 1);
    z-index: 9998;
}

.nav-closed {
    width: 0vw;
}

.nav-open {
    width: 100vw;
}

.sidebar h4 {
    font-size: 1.8rem;
}

.sidebar ul {
    color: var(--orange-color);
    list-style-type: decimal;
}

.sidebar a {
    color: var(--light-color);
    padding-left: 0;
    position: relative;
    -webkit-transition: all 0.5s ease;
    transition: all 0.5s ease;
}

.sidebar a::before {
    background-color: var(--main-color);
    bottom: -2px;
    content: '';
    height: 1px;
    left: 10px;
    position: absolute;
    -webkit-transform: scale3d(0, 1, 1);
    transform: scale3d(0, 1, 1);
    -webkit-transform-origin: 100% 50%;
    transform-origin: 100% 50%;
    -webkit-transition: transform 0.5s ease;
    -webkit-transition: -webkit-transform 0.5s ease;
    transition: -webkit-transform 0.5s ease;
    transition: transform 0.5s ease;
    transition: transform 0.5s ease, -webkit-transform 0.5s ease;
    width: 50px;
}

.sidebar a:hover,
.sidebar a:focus {
    padding-left: 10px;
    text-decoration: none;
}

.sidebar a:hover::before,
.sidebar a:focus::before {
    -webkit-transform-origin: 0% 50%;
    transform-origin: 0% 50%;
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
}

.sidebar-index {
    margin-top: 15vh;
    padding-left: calc(1.2rem + 8px);
    width: 80vw;
}

.sidebar-home {
    margin-bottom: 35px;
}

.sidebar-title {
    color: var(--orange-color);
}

.sidebar-list h5 {
    color: var(--orange-color);
    letter-spacing: 1px;
}

.sidebar-list li {
    margin-bottom: 15px;
    margin-top: 10px;
    padding-left: 10px;
}

/* Main content styles */

.intro-container {
    background-color: var(--light-color);
    margin-top: -22rem;
}

.intro-container h1 {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin: 3rem 0 5rem;
}

.intro-container h5 {
    color: var(--main-color);
    line-height: 1.5;
    padding-top: 4rem;
}

.intro-description {
    margin-bottom: 6rem;
}

.intro-container h3 {
    color: var(--main-color);
    font-size: 1.2rem;
    letter-spacing: 1px;
    margin-bottom: 6rem;
    text-transform: uppercase;
}

.intro-container h3 span {
    border-bottom: 2px solid;
    padding: 0 10px 10px;
}

.intro-container p {
    padding: 0 2rem;
}

.intro-map {
    margin-bottom: 6rem;
}

.map-svg {
    width: 80%;
    margin: 0 10%;
}

.map-line {
    fill: none;
    stroke: var(--main-color);
    stroke-width: 3px;
    stroke-miterlimit: 10;
}

.map-btn {
    cursor: pointer;
}

.map-box {
    fill: var(--light-color);
    stroke: var(--dark-color);
    stroke-width: 2px;
    stroke-miterlimit: 10;
}

.map-svg a:hover,
.map-svg a:focus {
    text-decoration: none;
}

.map-text {
    font-size: 3rem;
    font-weight: 700;
}

/* Footer styles */

footer {

      background-color: var(--deep-blue-color);
    color: var(--light-color);
    padding: 3rem 0 1.5rem;
}

footer .img-density {
    height: 80px;
    width: auto;
}

footer .img-poli {
    height: 80px;
    width: auto;
}

footer h4 {
    font-size: 0.7em;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
}

footer ul {
    font-size: 0.7rem;
    list-style-type: none;
    margin-bottom: 0;
    padding: 0;
}

/* Research question pages styles */

/* Header styles */

.arrows-container {
    margin: 1.8rem 0 1.4rem;
}

.first-question .arrow-left,
.last-question .arrow-right {
    opacity: 0;
    pointer-events: none;
}

.arrows-container h5 {
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
}

.arrows-container .fa {
    margin: 0 1px;
}

.arrows-container h5 a {
    position: relative;
    -webkit-transition: all 0.5s ease;
    transition: all 0.5s ease;
}

.arrows-container h5 i {
    left: 0;
    position: relative;
    -webkit-transition: all 0.5s ease;
    transition: all 0.5s ease;
}

.arrows-container h5 a::before {
    background-color: var(--dark-color);
    bottom: -2px;
    content: '';
    height: 2px;
    left: 0;
    position: absolute;
    -webkit-transform: scale3d(0, 1, 1);
    transform: scale3d(0, 1, 1);
    -webkit-transform-origin: 100% 50%;
    transform-origin: 100% 50%;
    -webkit-transition: transform 0.5s ease;
    -webkit-transition: -webkit-transform 0.5s ease;
    transition: -webkit-transform 0.5s ease;
    transition: transform 0.5s ease;
    transition: transform 0.5s ease, -webkit-transform 0.5s ease;
    width: 100%;
}

.arrow-right h5:hover i,
.arrow-right h5:focus i {
    left: 3px;
}

.arrow-left h5:hover i,
.arrow-left h5:focus i {
    left: -3px;
}

.arrows-container h5:hover a::before,
.arrows-container h5:focus a::before {
    -webkit-transform-origin: 0% 50%;
    transform-origin: 0% 50%;
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
}

header .header-subtitle {
    color: var(--orange-color);
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

header .header-title {
    font-size: 2.4rem;
    margin-bottom: 2rem;
}

/* Viz styles */

.viz-example {
    width: 100%;
}

.sigma-network {
    height: 650px;
    margin: 0 1%;
    width: 98%;
}

/* Article styles */

article {
    margin-top: 6rem;
}

#sidelist {
    position: relative;
    top: -1.2rem;
}

.list-group {
    position: relative;
}

.sidelist-fixed {
    position: fixed;
    top: 64px;
}

.list-group-item,
.list-group-item-action {
    border: none;
    position: relative;
    -webkit-transition: color 0.2s ease 0s;
    transition: color 0.2s ease 0s;
}

.list-group-item-action:hover {
    color: var(--main-color);
    background-color: var(--light-color);
}

.list-group-item-action:focus {
    background-color: var(--light-color);
}

.list-group-item.active,
.list-group-item-action.active {
    color: var(--orange-color);
    background-color: var(--light-color);
}

.list-group-item::before {
    background-color: var(--main-color);
    bottom: 50%;
    content: '';
    height: 2px;
    left: 0;
    position: absolute;
    -webkit-transform: scale3d(0, 1, 1);
    transform: scale3d(0, 1, 1);
    -webkit-transform-origin: 0% 50%;
    transform-origin: 0% 50%;
    -webkit-transition: transform 0.5s ease;
    -webkit-transition: -webkit-transform 0.5s ease;
    transition: -webkit-transform 0.5s ease;
    transition: transform 0.5s ease;
    transition: transform 0.5s ease, -webkit-transform 0.5s ease;
    width: 25px;
}

.list-group-item.active::before {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
}

.list-group-item span {
    left: 0;
    position: relative;
    -webkit-transition: all 0.5s ease;
    transition: all 0.5s ease;
}

.list-group-item.active span {
    left: 14px;
}

.list-group-item span::before {
    background-color: var(--main-color);
    bottom: -2px;
    content: '';
    height: 2px;
    left: 0;
    position: absolute;
    -webkit-transform: scale3d(0, 1, 1);
    transform: scale3d(0, 1, 1);
    -webkit-transform-origin: 100% 50%;
    transform-origin: 100% 50%;
    -webkit-transition: transform 0.5s ease;
    -webkit-transition: -webkit-transform 0.5s ease;
    transition: -webkit-transform 0.5s ease;
    transition: transform 0.5s ease;
    transition: transform 0.5s ease, -webkit-transform 0.5s ease;
    width: 100%;
}

.list-group-item:hover span::before {
    -webkit-transform-origin: 0% 50%;
    transform-origin: 0% 50%;
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
}

.section-content {
    margin-bottom: 5rem;
}

.section-content h3 {
    color: var(--orange-color);
    font-size: 1.15rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.section-content h3 span {
    border-top: 2px solid;
    padding: 1rem 3rem 0 0;
}

.protocol-diagram {
    width: 100%;
    margin-bottom: 2rem;
}

.section-content h4 {
    font-size: 1.1rem;
}

.section-content h4 a {
    position: relative;
}

.section-content h4 a:hover,
.section-content h4 a:focus {
    color: var(--main-color);
}

.section-content h4 a::before {
    background-color: var(--main-color);
    bottom: -2px;
    content: '';
    height: 2px;
    left: 0;
    position: absolute;
    -webkit-transform: scale3d(0, 1, 1);
    transform: scale3d(0, 1, 1);
    -webkit-transform-origin: 100% 50%;
    transform-origin: 100% 50%;
    -webkit-transition: transform 0.5s ease;
    -webkit-transition: -webkit-transform 0.5s ease;
    transition: -webkit-transform 0.5s ease;
    transition: transform 0.5s ease;
    transition: transform 0.5s ease, -webkit-transform 0.5s ease;
    width: 100%;
}

.section-content h4 a:hover::before,
.section-content h4 a:focus::before {
    -webkit-transform-origin: 0% 50%;
    transform-origin: 0% 50%;
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
}

.data-link {
    margin-bottom: 1rem;
}

/* Media queries */

/*Small devices (landscape phones, 576px and up)*/

@media (min-width: 576px) {
    footer .img-density {
        height: auto;
        margin-left: 50%;
        width: 28%;
    }
    header .header-title {
        font-size: 3rem;
    }
}

/*Medium devices (tablets, 768px and up)*/

@media (min-width: 768px) {
    p {
        font-size: 1rem;
    }
    .serif-font h5 {
        font-size: 1.2rem;
    }
    .sidebar-index {
        width: 60vw;
    }
    .intro-container h1 {
        font-size: 4.5rem;
        margin: 3rem 0 6rem;
    }
    .map-svg {
        width: 68%;
        margin: 0 16%;
    }
    footer .img-density {
        margin-left: 0;
        width: 60%;
    }
    footer .img-poli {
        height: auto;
        width: 100%;
    }
    .section-content h3 {
        font-size: 1.25rem;
    }
    .section-content h4 {
        font-size: 0.9rem;
    }
}

/*Large devices (desktops, 992px and up)*/

@media (min-width: 992px) {
    p {
        line-height: 1.8;
    }
    .sidebar-index {
        width: 50vw;
    }
    .intro-container h1 {
        margin: 4rem 0 6rem;
    }
    .intro-container h5 {
        padding-top: 5rem;
    }
    .intro-container p {
        padding: 0 1rem;
    }
    .intro-description {
        -webkit-column-count: 2;
        column-count: 2;
        -webkit-column-gap: 24px;
        column-gap: 24px;
    }
    .map-svg {
        width: 50%;
        margin: 0 25%;
    }
    footer .img-density {
        width: 52%;
    }
    footer .img-poli {
        height: 80px;
        width: auto;
    }
    footer h4 {
        font-size: 0.8em;
        font-family:  'Rajdhani', sans-serif;
        font-weight: 600;
    }
    footer ul {
        font-family: 'Rajdhani', sans-serif;
        font-size: 0.8rem;
        letter-spacing: 1px;
    }
}

/*Extra large devices (large desktops, 1200px and up)*/

@media (min-width: 1200px) {
    footer .img-density {
        width: 42%;
    }
}