:root {
    --primary-color: #194D33;
    --secondary-color: #88BDA5;
    --contrast-color: white;
    --link-color: var(--primary-color);
    --link-hover-color: #B46B3B;
    --odd-bg-color: #E8E8E8;
    --even-bg-color: white;
}  

body {
    font-family: 'Verdana', sans-serif;
    font-size: 19px;
    line-height: 1.7em;
    color: black;
    font-weight: 100;
    background: #ffffff;
}

/* --------------------------------------
 * Global Typography
 *------------------------------------------*/

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 15px;
    color: var(--primary-color);
}

h1 {
    font-size: 36px;
    line-height: 1.2em;
    font-weight: 700;
}

h2 {
    font-size: 32px;
    line-height: 1.5em;
    font-weight: 400;
}

h3 {
    font-size: 24px;
    line-height: 1.5em;
    font-weight: 300;
}

h4 {
    font-size: 18px;
    line-height: 1.5em;
    font-weight: 300;
}

h5 {
    font-size: 16px;
    line-height: 1.5em;
    font-weight: 500;
}

h6 {
    font-size: 15px;
    line-height: 24px;
}

b {
    font-weight: bold !important;
}

ol {
    padding-left: 40px !important;
}

/* --------------------------------------
 * LINK STYLE
 *------------------------------------------*/
a {
    color: var(--link-color);
    text-decoration: none;
    -webkit-transition: all 0.3s ease 0s;
    -moz-transition: all 0.3s ease 0s;
    -o-transition: all 0.3s ease 0s;
    transition: all 0.3s ease 0s;
}

a,
a:active,
a:focus,
a:active {
    text-decoration: none;
    outline: none;
    color: var(--link-color);
}

a:hover,
a:focus {
    text-decoration: none;
    color: var(--link-hover-color);
}

p {
    margin-bottom: 20px;
}

p.lead {
    font-size: 19px;
    line-height: 1.7em;
}

p.text-block {
    text-align: justify;
}

ul {
    margin: 0;
    padding: 0;
    margin-left: 40px;
}

#main-wrapper {
    background: #ffffff;
    overflow: hidden;
}

.navbar-brand,
.navbar-brand:focus {
    padding-top: 10px;
    font-size: 2em;
    font-weight: 1000;
    margin: 2px 25px 2px 0 !important;
    color: var(--primary-color);
}

.navbar-brand:hover,
.navbar-brand:active {
    color: var(--link-hover-color);
}

.navbar {
    border-radius: 0;
    background: var(--secondary-color);
    margin: 0;
}

.main-menu .navbar-right {
    margin-right: -15px;
}

.navbar-nav {
    text-align: center;
}

.navbar-collapse {
    border: none;
    border-radius: 0;
}

.nav-link {
    color: var(--contrast-color);
    font-weight: 600;
    padding: 15px 0 15px 30px;
    text-transform: uppercase;
}

.nav-link:hover,
.nav-link:focus,
.nav-link:active {
    color: var(--link-hover-color) !important;
    background: transparent;
}

.navbar-toggler {
    border: none;
}

.navbar-toggler:active,
.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-bars {
    color: var(--contrast-color);
    font-size: 1.5em;
}

.dropdown-menu {
    background-color: var(--secondary-color);
    border: none;
    border-radius: 0;
}

.dropdown-item {
    color: var(--contrast-color);
}

.dropdown-item:hover {
    background-color: var(--primary-color);
    color: white;
}

.header {
     height: 50vh;
     min-height: 500px;
     color: #ffffff;
     background: url('../img/newcastle_skyline.jpg') no-repeat center center;
     background-size: cover;
     background-color: #E8E8E8;
     background-position: 20% 20%;
     background-repeat: no-repeat;
     background-size: cover;
}

.header h1 {
    color: var(--secondary-color);
    font-weight: 1000;
    font-size: 4em;
}

.header p.lead {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.5em;
}

.header .co-located {
    font-size: 24px !important;
    font-weight: 600 !important;
    margin-top: -20px;
}

.header .quote {
    font-size: 24px !important;
    margin-top: 5vh;
}

.header a {
    color: var(--secondary-color);
}

.header-content {
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.35);
    border-radius: 12px;
    max-width: 1000px;      /* set your desired max width */
    margin: 0 auto;        /* center horizontally */
    padding: 2em 2em;  
    max-height: 500px; 
    
}


@media (max-width : 600px) {
    .header {
        min-height: 300px;
    }

    .header h1 {
        font-size: 2em;
    }

    .header p.lead {
        font-size: 22px;
    }

    .header .quote {
        display: none;
    }
}

#main-wrapper > section:nth-child(odd) {
    background-color: var(--odd-bg-color);
}

#main-wrapper > section:nth-child(even) {
    background-color: var(--even-bg-color);
    border-top: 1px solid var(--even-bg-color);
    border-bottom: 1px solid var(--even-bg-color);
}

.section-wrapper {
    padding: 100px 10px;
}

.section-title {
    margin-bottom: 60px;
    text-align: center;
}

.section-title h1 {
    margin-bottom: 5px;
}

.section-title p {
    font-size: 18px;
    color: #888888;
}

.about-event .lead {
    font-size: 19px;
    line-height: 1.7em;
}

.about-event address {
    font-size: 15px;
    color: #888888;
    line-height: 1.8em;
}

.about-event address strong {
    color: var(--accent-really-dark-color);
}

.team .thumbnail {
    padding: 0;
    line-height: 22px;
    background-color: transparent;
    border: 0;
    margin-bottom: 30px;
}

@media (max-width : 767px) {
    .team .thumbnail {
        margin-bottom: 30px;
    }
}

.team .thumbnail img {
    width: 100%;
}

.team .thumbnail .caption {
    padding: 10px;
}

.team .thumbnail h3 {
    font-size: 16px;
    font-weight: bold;

    margin: 0 40px;
    text-transform: uppercase;
    padding: 10px 0;
}

.team .thumbnail h3 small {
    font-size: 13px;
    color: #888;
    display: block;
    font-weight: normal;
}

.team .social-links li {
    display: inline-block;
    margin-right: 3px;
}

.team .social-links li:last-child {
    margin-right: 0;
}

.team .social-links li a {
    display: block;
    font-size: 24px;
    color: #ccc;
    padding: 0 5px;
}

.team .social-links li a:hover {
    color: #38A1F3;
}

.section-ajenda .session {
    padding: 15px 0;
    border-left: 1px solid #eeeeee;
    margin-bottom: 40px;
}

.section-ajenda .session time {
    padding: 5px 25px 15px;
    border-bottom: 1px solid #eeeeee;
    display: inline-block;
}

.section-ajenda .session h2 {
    margin: 20px 0 0 20px;
}

.section-ajenda .session h3 {
    margin: 20px 0 20px 20px;
    font-size: 20px;
    text-transform: uppercase;
}

.section-ajenda .session h3 span {
    font-size: 14px;
    display: block;
    line-height: 1;
}


/* Copyright */

.footer {
    background-color: var(--secondary-color);
}

.footer .copyright-section {
    font-size: 13px;
    color: var(--contrast-color);
    padding: 30px 0;
}

.footer .copyright-section .copytext {
    font-weight: 400;
    display: block;
}

/* ---------------------------------------------- /*
 * Preloader
/* ---------------------------------------------- */
#preloader {
    background: #ffffff;
    bottom: 0;
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 9999;
}

#status,
.status-mes {
    background-image: url(../img/preloader.gif);
    background-position: center;
    background-repeat: no-repeat;
    height: 200px;
    left: 50%;
    margin: -100px 0 0 -100px;
    position: absolute;
    top: 50%;
    width: 200px;
}

.status-mes {
    background: none;
    left: 0;
    margin: 0;
    text-align: center;
    top: 65%;
}

.col-centered{
    float: none;
    margin: 0 auto;
}

hr {
    border: none;
    border-top: 5px double #333;
    color: #333;
    overflow: visible;
    text-align: center;
    height: 7px;
    /* padding-bottom: 2em; */
    /* padding-top: 2em; */
}

hr:after {
    background: #fff;
    padding: 0 4px;
    position: relative;
    top: -13px;
}

/* pubs CSS */

.affil {
    font-size: 0.8em;
    font-weight: 400;
}

/*.speaker-img {*/
/*    width: 32%;*/
/*}*/

/* Make keynote headshot fill its column nicely */
.speaker-img {
    width: 100%;
    max-width: 320px;      /* optional cap so it doesn’t get huge on desktops */
    border-radius: 8px;    /* optional: soft corners */
}

.talk-title {
    font-size: 1.3em;
    font-weight: bold;
    vertical-align: bottom;
    margin-bottom: 10px;
}

.speaker {
    font-weight: bold;
    font-size: 1.25em;
}

.speaker-bio {
    padding-left: 20px;
    vertical-align: top;
}

.pubs_img {
    border-style: solid !important;
    border-width: 1px !important;
    display: block;
    width: 100%;
    margin: 10px 20px 10px 0;
}

.paper-title {
    vertical-align: top; 
    padding-left: 3px; 
    margin-top: 10px;
}

.pubs_title {
    font-size: 1.3em;
    font-weight: bold;
}

.pubs_title_a {
    text-decoration: none;
    border: none;
    font-size: 16pt;
}

.pubs_content {
    font-size: 16pt;
}

.image-holder {
    float: left;
    width: 100%;
    vertical-align: middle;
}

.pub-text {
    padding-top: 2em;
}

.abstract {
    padding-top: 0.5em;
    text-align: justify;
    border: none;
}

.time {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 1.5em;
    margin: 20px 0;
    padding: 10px 0;
    text-align: center;
}

.agenda-point {
    font-size: 1.5em;
    margin: 20px 0;
    padding: 10px 0 10px 20px;
    font-weight: 600;
    color: var(--primary-color);
    box-shadow: 0px -5px 0px var(--primary-color) inset;
}

.agenda-title {
    font-size: 1em;
}

.team .thumbnail h3 small {
    line-height: 1em;
}

.prev-editions {
    margin: 0 auto;
    min-width: 300px;
    width: 50%;
}

.dates-text {
    text-align: right;
}

.dates-cal {
    text-align: center;
}

@media screen and (max-width: 576px) {
    .dates-text, .dates-date {
        text-align: center;
    }
}

.dates {
    width: auto;
    max-width: 800px;
    margin: 0px auto;
}

.btn {
    padding: 10px 30px;
    margin-bottom: 0;
    font-size: 16px;
    border-radius: 0;
    font-weight: 500;
    border-width: 2px;
    text-transform: uppercase;
}

.btn-lg {
    font-size: 18px;
    padding: 15px 30px
}

/*btn-primary*/
.btn-primary {
    border-color: var(--accent-color-dark);
    background: transparent;
    color: var(--accent-color-dark);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active:focus {
    background: var(--accent-highlight);
    color: var(--accent-color-dark);
    border-color: var(--accent-color-dark);
}

/*btn-default*/
.btn-default {
    color: #ffffff; 
    background-color: transparent;
    border-color: #ffffff;
}

.btn-default:hover,
.btn-default:focus,
.btn-default:active:focus {
    background-color: transparent;
    color: var(--accent-color-dark);
    border-color: var(--accent-color-dark);
}

button:focus,
.btn:focus,
.btn:active:focus {
    outline: none;
}