/*!
* Start Bootstrap - Freelancer v4.0.0-beta.2 (https://startbootstrap.com/template-overviews/freelancer)
* Copyright 2013-2017 Start Bootstrap
* Licensed under MIT (https://github.com/BlackrockDigital/startbootstrap-freelancer/blob/master/LICENSE)
*/
body {
    font-family: 'Nunito';
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    font-family: 'Montserrat';
    margin-top: 1em;

}

hr.star-light,
hr.star-dark {
    max-width: 15rem;
    padding: 0;
    text-align: center;
    border: none;
    border-top: solid 0.25rem;
    margin-top: 2.5rem;
    margin-bottom: 2.5rem;
}


hr.star-light:after,
hr.star-dark:after {
    position: relative;
    top: -.8em;
    display: inline-block;
    padding: 0 0.25em;
    content: '\f005';
    font-family: FontAwesome;
    font-size: 2em;
    visibility: hidden;
}

hr.star-light {
    border-color: #2C3E50;
}

hr.star-light:after {
    color: #2C3E50;
}

hr.star-dark {
    border-color: #2C3E50;
}

hr.star-dark:after {
    color: #2C3E50;
    background-color: white;
}

section {
    padding: 3rem 0;
    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.2) !important
}

section h2 {
    font-size: 2rem;
    line-height: 1.9rem;
}

@media (min-width: 992px) {
    section h2 {
        font-size: 2.2rem;
        line-height: 1.9rem;
    }
}

.btn-xl {
    padding: 1rem 1.75rem;
    font-size: 1.25rem;
}

.btn-social {
    width: 3.25rem;
    height: 3.25rem;
    font-size: 1.25rem;
    line-height: 2rem;
}

.scroll-to-top {
    z-index: 1042;
    right: 1rem;
    bottom: 1rem;
    display: none;
}

.scroll-to-top a {
    width: 3.5rem;
    height: 3.5rem;
    background-color: rgba(33, 37, 41, 0.5);
    line-height: 3.1rem;
}

#mainNav {
    height: 68px;
    padding-top: 1rem;
    padding-bottom: 1rem;
    font-weight: 500;
    font-family: 'Montserrat';
}

#mainNav .navbar-brand {
    color: #fff;
}

#mainNav .navbar-nav {
    margin-top: 1rem;
    letter-spacing: 0.0625rem;
    text-align: center;
}

#mainNav .navbar-nav li.nav-item a.nav-link {
    color: #fff;
}

#mainNav .navbar-nav li.nav-item a.nav-link:hover {
    color: #18BC9C;
}

#mainNav .navbar-nav li.nav-item a.nav-link:active,
#mainNav .navbar-nav li.nav-item a.nav-link:focus {
    color: #fff;
}

#mainNav .navbar-nav li.nav-item a.nav-link.active {
    color: #fff;
    background: #73c2fb;
}

#mainNav .navbar-toggler {
    font-size: 80%;
    padding: 0.8rem;
}

@media (min-width: 992px) {
    #mainNav {
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
        -webkit-transition: padding-top 0.3s, padding-bottom 0.3s;
        -moz-transition: padding-top 0.3s, padding-bottom 0.3s;
        transition: padding-top 0.3s, padding-bottom 0.3s;
    }

    #mainNav .navbar-brand {
        font-size: 2em;
        -webkit-transition: font-size 0.3s;
        -moz-transition: font-size 0.3s;
        transition: font-size 0.3s;
    }

    #mainNav .navbar-nav {
        margin-top: 0;
    }

    #mainNav .navbar-nav > li.nav-item > a.nav-link.active {
        color: #fff;
        background: #18BC9C;
    }

    #mainNav .navbar-nav > li.nav-item > a.nav-link.active:active,
    #mainNav .navbar-nav > li.nav-item > a.nav-link.active:focus,
    #mainNav .navbar-nav > li.nav-item > a.nav-link.active:hover {
        color: #fff;
        background: #18BC9C;
    }

    #mainNav.navbar-shrink {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    #mainNav.navbar-shrink .navbar-brand {
        font-size: 1.5em;
    }
    
    #mainNav .navbar-nav li.nav-item a.nav-link{
        color: #fff !important;
    }
}



/* For mobile */
header.masthead {
    padding-top: calc(6rem + 72px);

}

header.masthead h1 {
    font-size: 3rem;
    line-height: 3rem;
}

header.masthead h2 {
    font-size: 1.3rem;
    font-family: 'Lato';
}

/* For desktop */
@media (min-width: 992px) {
    header.masthead {
        padding-top: calc(6rem + 106px);
        padding-bottom: 6rem;
    }

    header.masthead h1 {
        font-size: 4em;
        line-height: 4rem;
    }

    header.masthead h2 {
        font-size: 1.75em;
    }
}

.portfolio {
    margin-bottom: -15px;
}

.portfolio .portfolio-item {
    position: relative;
    display: block;
    max-width: 25rem;
    margin-bottom: 15px;
}

.portfolio .portfolio-item .portfolio-item-caption {
    -webkit-transition: all ease 0.5s;
    -moz-transition: all ease 0.5s;
    transition: all ease 0.5s;
    opacity: 0;
    background-color: rgba(24, 188, 156, 0.9);
}

.portfolio .portfolio-item .portfolio-item-caption:hover {
    opacity: 1;
}

.portfolio .portfolio-item .portfolio-item-caption .portfolio-item-caption-content {
    font-size: 1.5rem;
}

@media (min-width: 576px) {
    .portfolio {
        margin-bottom: -30px;
    }

    .portfolio .portfolio-item {
        margin-bottom: 30px;
    }
}

.portfolio-modal .portfolio-modal-dialog {
    padding: 3rem 1rem;
    min-height: calc(100vh - 2rem);
    margin: 1rem calc(1rem - 8px);
    position: relative;
    z-index: 2;
    -moz-box-shadow: 0 0 3rem 1rem rgba(0, 0, 0, 0.5);
    -webkit-box-shadow: 0 0 3rem 1rem rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 3rem 1rem rgba(0, 0, 0, 0.5);
}

.portfolio-modal .portfolio-modal-dialog .close-button {
    position: absolute;
    top: 2rem;
    right: 2rem;
}

.portfolio-modal .portfolio-modal-dialog .close-button i {
    line-height: 38px;
}

.portfolio-modal .portfolio-modal-dialog h2 {
    font-size: 2rem;
}

@media (min-width: 768px) {
    .portfolio-modal .portfolio-modal-dialog {
        min-height: 100vh;
        padding: 5rem;
        margin: 3rem calc(3rem - 8px);
    }

    .portfolio-modal .portfolio-modal-dialog h2 {
        font-size: 3rem;
    }
}

.floating-label-form-group {
    position: relative;
    border-bottom: 1px solid #e9ecef;
}

.floating-label-form-group input,
.floating-label-form-group textarea {
    font-size: 1.5em;
    position: relative;
    z-index: 1;
    padding-right: 0;
    padding-left: 0;
    resize: none;
    border: none;
    border-radius: 0;
    background: none;
    box-shadow: none !important;
}

.floating-label-form-group label {
    font-size: 0.85em;
    line-height: 1.764705882em;
    position: relative;
    z-index: 0;
    top: 2em;
    display: block;
    margin: 0;
    -webkit-transition: top 0.3s ease, opacity 0.3s ease;
    -moz-transition: top 0.3s ease, opacity 0.3s ease;
    -ms-transition: top 0.3s ease, opacity 0.3s ease;
    transition: top 0.3s ease, opacity 0.3s ease;
    vertical-align: middle;
    vertical-align: baseline;
    opacity: 0;
}

.floating-label-form-group:not(:first-child) {
    padding-left: 14px;
    border-left: 1px solid #e9ecef;
}

.floating-label-form-group-with-value label {
    top: 0;
    opacity: 1;
}

.floating-label-form-group-with-focus label {
    color: #18BC9C;
}

form .row:first-child .floating-label-form-group {
    border-top: 1px solid #e9ecef;
}

.footer {
    padding-top: 5rem;
    padding-bottom: 5rem;
    background-color: #2C3E50;
    color: #fff;
}

.copyright {
    background-color: #1a252f;
}

.btn {
    border-width: 2px;
}

.btn-primary {
    background-color: #18BC9C;
    border-color: #18BC9C;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: #128f76;
    border-color: #128f76;
}

.btn-secondary {
    background-color: #2C3E50;
    border-color: #2C3E50;
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
    background-color: #1a252f;
    border-color: #1a252f;
}

.typewriter h1 {
    overflow: hidden;
    /* Ensures the content is not revealed until the animation */
    /*border-right: 5px solid orange;  The typwriter cursor */
    white-space: nowrap;
    /* Keeps the content on a single line */
    /*width: 13ch;
    /*  letter-spacing: .05em; /* Adjust as needed */
    font-family: Montserrat;
    font-weight: 400;
    display: inline-block;
    animation:
        typing 1.5s steps(25),
        blink-caret 1s step-end infinite;
}

/* The typing effect */
@keyframes typing {
    0% {
        width: 0ch;
    }

    100% {
        width: 25ch;
    }
}

/* The typewriter cursor effect 
@keyframes blink-caret {
from, to { border-color: transparent }
50% { border-color: dodgerblue; }
}*/

.video-container {
    position: absolute;
    bottom: 0%;
    left: 0%;
    height: 100%;
    width: 100%;
    overflow: hidden;
    background: #000;
    z-index: -1;
}

.video-container video {
    z-index: -1;

    top: 3%;

    transform: translate(0%, -3%);
}

.arrow {
    margin: auto;
    background-image: url("../img/arrowdown.png");
    background-size: contain;
    background-repeat: no-repeat;
    z-index: 10;
    height: 100px;
    width: 100px;
    position: relative;
    bottom: 15px;
}

.bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-30px);
    }

    60% {
        transform: translateY(-15px);
    }
}


.navbar-nav > li > a,
.navbar-brand {
    padding-top: 0px !important;
    padding-bottom: 0 !important;
    height: 25px;
}

.scroll-down {
    opacity: 1;
    -webkit-transition: all .5s ease-in 3s;
    transition: all .5s ease-in 3s;
}

.scroll-down {

    -webkit-animation: bounce 2s infinite 2s;
    animation: bounce 2s infinite 2s;
    -webkit-transition: all .2s ease-in;
    transition: all .2s ease-in;
}

.scroll-down:before {
    position: absolute;
    top: calc(50% - 8px);
    left: calc(50% - 6px);
    transform: rotate(-45deg);
    display: block;

    content: "";
    border: 2px solid white;
    border-width: 0px 0 2px 2px;
}

hr {
    display: block;
    height: 1px;
    border: 0;
    border-top: 1px solid #ccc;
    margin: 1em 0;
    padding: 0;
}

.card-text {
    font-family: Nunito;
    font-size: 17px;
}

.skillList > li {
    list-style: none;
    display: inline-block;
    border-radius: 5px;
    background: #E1E2E5;
    padding: 8px;
    font-family: Montserrat;
    font-weight: 500;
    margin-right: 10px;
    font-size: 14px;
    margin-bottom: 5px;
}

#navbarResponsive ul li a {
    color: #2C3E50 !important;
}

@media only screen and (max-width: 800px) {
    #navbarResponsive ul li a {
        background: white;
    }    
}


.contactme {
    width: 40%;
    height: 40vh;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    background-color: #f2f2f2;
}

@media screen and (max-width : 992px) {
    .contactme {
        width: 99%;
    }
}


.timeline-panel {
    background-color: #ffffff;
}

.heart {
    fill: red;
    position: relative;
    top: 5px;
    width: 20px;
    /* animation: pulse 1s ease infinite; */
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.3);
    }

    100% {
        transform: scale(1);
    }
}


.btn_custom {
    box-sizing: border-box;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: #2885e2;
    border: 1.5px solid #2885e2;
    border-radius: 0.6em;
    color: #fff;
    cursor: pointer;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-item-align: center;
    align-self: center;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1;
    margin: 2px;
    padding: 0.8em 1.4em;
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
}

.btn_custom:hover,
.btn_custom:focus {
    color: #2885e2;
    outline: 0;
    text-decoration: none;
}

.first_btn {
    -webkit-transition: box-shadow 300ms ease-in-out, color 300ms ease-in-out;
    transition: box-shadow 300ms ease-in-out, color 300ms ease-in-out;
}

.first_btn:hover {
    box-shadow: 0 0 40px 40px #fff inset;
}

@media screen and (max-width : 800px) {
    .first_btn {
        margin-top: 0px;
    }
}

.btn_custom-inverse {
    box-sizing: border-box;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: #fff;
    border: 1.5px solid #2885e2;
    border-radius: 0.6em;
    color: #2885e2;
    cursor: pointer;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-item-align: center;
    align-self: center;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1;
    margin: 2px;
    padding: 0.8em 1.4em;
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
}

.btn_custom-inverse:hover,
.btn_custom-inverse:focus {
    color: #fff;
    outline: 0;
    text-decoration: none;
}

.first_btn-inverse {
    -webkit-transition: box-shadow 300ms ease-in-out, color 300ms ease-in-out;
    transition: box-shadow 300ms ease-in-out, color 300ms ease-in-out;
}

.first_btn-inverse:hover {
    box-shadow: 0 0 40px 40px #2885e2 inset;
}


blockquote {
    background: #f9f9f9;
    border-left: 10px solid #ccc;
    margin: 1.5em 10px;
    padding: 0.5em 10px;
    quotes: "\201C""\201D""\2018""\2019";
}

blockquote:before {
    color: #ccc;
    content: open-quote;
    font-size: 4em;
    line-height: 0.1em;
    margin-right: 0.25em;
    vertical-align: -0.4em;
}

blockquote p {
    display: inline;
}

.initial-bg {
    background-image: url(../img/AI-background2.jpg);
    background-size: cover;
    height: 100vh;
}

.transparent-box {
    padding: 45px;
    background-image: url(../img/AI-background-small5.png);
    background-size: cover;
}

@media screen and (min-width : 992px) {
    .title-desk {
        visibility: visible;
    }

    .div-only-mobile {
        display: none;
    }
}

@media screen and (max-width : 992px) {
    .title-desk {
        display: none;
    }

    .arrow {
        display: none;
    }

    .div-only-mobile {
        visibility: visible;
    }
}

.pic-dim {
    background-size: cover;
    height: 20vw;
    width: 20vw;
}

/* Images for mobile */
@media only screen and (max-width: 800px) {

    .snakegif-norl,
    .snakegif-rl {
        width: 80%;
    }

    .snake-loss-eq,
    .snake-neural-net,
    .snake-score,
    .bellman-eq,
    .transfer-statue-gif,
    .transfer-contentloss,
    .transfer-styleloss,
    .transfer-result-statue,
    .transfer-result-me,
    .transfer-result-boston {
        width: 100%;
    }

    .logo {
        width: 45%;
    }

}

/* Images for desktop */
@media only screen and (min-width: 800px) {
    .snakegif-norl {
        height: 400px;
        width: auto;
        margin: auto;
        margin-top: 7px;
        margin-right: 25px;
    }

    .snakegif-rl {
        height: 400px;
        width: auto;
        margin: auto;
        margin-left: 25px;
    }

    .bellman-eq {
        width: 75%;
    }

    .snake-loss-eq,
    .transfer-contentloss,
    .transfer-styleloss {
        width: 60%;
    }

    .snake-neural-net,
    .snake-score,
    .transfer-statue-gif {
        width: 70%;
    }

    .transfer-result-statue,
    .transfer-result-me,
    .transfer-result-boston {
        width: 75;
    }

    .logo {
        width: 25%;
    }
}

.text-intro {
    font-family: Nunito;
    font-weight: 300;
    line-height: 1.3;
}

/* Text for mobile */
@media only screen and (max-width: 800px) {
    .text-intro {
        font-size: 19px;
        line-height: 1.3;
    }
}

/* Text for desktop */
@media only screen and (min-width: 800px) {
    .text-intro {
        font-size: 22px;
    }
}


.text-page {
    font-family: Nunito;
    font-weight: 300;
    line-height: 1.3;
}

/* Text for mobile */
@media only screen and (max-width: 800px) {
    .text-page {
        font-size: 19px;
        line-height: 1.3;
    }
}

/* Text for desktop */
@media only screen and (min-width: 800px) {
    .text-page {
        font-size: 20px;
    }
}

.text-research a {
    font-weight: 600;
}

.text-research > ul > li {
    padding-bottom: 10px;
}

#card1 {
    margin-bottom: 20px;
}

#card1 > .card {
    height: 100%;
}

/* CODE.CSS ------------------------------------------------------------------------ */

a {
    color: #2885e2ed;
}

a:focus,
a:hover,
a:active {
    color: #2885e2ed;
}

.bg-primary {
    background-color: #18BC9C !important;
}

.bg-secondary {
    background-color: #2885e2ed !important;
}

.text-primary {
    color: #18BC9C !important;
}

.text-secondary {
    color: #2C3E50 !important;
    line-height: 1.2;
}

.snippet {
    font-family: Nunito;
    font-weight: 400;
    margin: 20px;
    margin-bottom: 20px;
}

.snippet > h3,
h4 {
    font-family: Raleway;
}

/* for mobile */
@media only screen and (max-width: 800px) {
    .snippet {
        line-height: 1.8em;
        font-size: 1.1rem;
    }
}

/* for desktop */
@media only screen and (min-width: 800px) {
    .snippet {
        line-height: 1.7em;
        font-size: 1.1rem;
    }
}

.cr {
    width: 300px;
    padding: 16px;
    position: absolute;
    text-align: center;
    color: #f0f0f0;
}

.cr-sticky {
    position: fixed;
}

/* Positions */

.cr-top {
    top: 50px;
}

.cr-right {
    right: -75px;
}



.cr-top.cr-right,
.cr-bottom.cr-left {
    transform: rotate(45deg);
}


/* Colors */

.cr-white {
    background-color: #f0f0f0;
    color: #444;
}

.cr-black {
    background-color: #333;
}

.cr-grey {
    background-color: #999;
}

.cr-blue {
    background-color: #39d;
}

.cr-green {
    background-color: #2c7;
}

.cr-turquoise {
    background-color: #1b9;
}

.cr-purple {
    background-color: #95b;
}

.cr-red {
    background-color: #e43;
}

.cr-orange {
    background-color: #e82;
}

.cr-yellow {
    background-color: #ec0;
}

/* MathJAX */
/* for mobile */
@media only screen and (max-width: 800px) {
    .MathJax {
        font-size: 1 !important;
        overflow-x: scroll;
    }
}

/* for desktop */
@media only screen and (min-width: 800px) {
    .MathJax {
        font-size: 1.3em !important;
    }
}

.snippet-code-div {
    background: #ffffff;
    overflow: auto;
    width: auto;
    border: solid #c1c1c1;
    border-width: .05em .05em .05em .05em;
    border-radius: 0.5em;
    padding: 1em;
    font-family: 'Fira Code';
    margin-top: 2vh;
}

.blockquote2 {
  font-style: italic;
  font-size: 1.3em;
  margin-left: 24px;
  font-family: Nunito;
  border-left: 4px solid #CCC;
  padding-left: 8px;
}

.card-img-top-books{
    border-top-left-radius: calc(.25rem - 1px);
    border-top-right-radius: calc(.25rem - 1px);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* for desktop */
@media only screen and (min-width: 992px) {
    .container {
        max-width: 1000px;
    }
}

/* for desktop */
@media only screen and (min-width: 992px) {
    .container-blog{
        max-width: 900px;
    }
}