:root {

    --ist-backgroud-color-dark: #141414;
    --ist-color-dark: #fff;

    --ist-footer-background: #222;

    --ist-colorArea: #0095ff;
}


body {
    background-color: var(--ist-backgroud-color-dark);
    color: var(--ist-color-dark);
    font-family: Arial, sans-serif;
    margin: 0;
    font-size: 18px;
}

img {
    display: block;
    margin: 0 auto;
    height: 32px;
}

p { 
    text-align: center;
    margin-top: 10px;
}

::-webkit-scrollbar {
    width: 2px;
}

::-webkit-scrollbar-thumb {
    background: var(--ist-colorArea);
    border-radius: 50px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ist-colorArea);
}

.header-contact {
    display: flex;
    align-items: center;
    font-size: 13px;
    background-color: var(--ist-backgroud-color-dark);
    padding: 5px 0px;
    margin-left: 30px;
    font-weight: 750;
    line-height: 1;
}   

.header-contact > a {
    color: var(--ist-color-dark);
}

.header-contact > a > i {
    color: var(--ist-colorArea);
}

.header-contact-right {
    display: flex;
    align-items: center;
    margin-right: 30px;
    margin-left: auto;
    margin-right: 30px;
    line-height: 20px;
}

.header-contact-right > li {
    position: relative;
    display: block;
}
 
.header-contact-right > li > a {
    color: #9d9d9d;
    padding: 10px 15px;
}

.navbar {
    margin-bottom: 0px;
}

header {
    position: relative;
    background-image: url("../images/bg.png");
    height: 583px;
    background-size: cover;
    background-position: 50% 50%;
    border-bottom: 1px dotted var(--ist-colorArea);
}

.ist-status {
    color: #00ffa3;
    font-size: 9px;
    display: inline-block;
    vertical-align: middle;
}

.ist-centared {
    text-align: center;
    align-items: center;
}

.ist-centared h2 {
    display: inline-block;
    position: relative;
}
  
.ist-centared h2::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40%;
    height: 4px;
    background-color: var(--ist-colorArea); 
}

.project {
    display: block;
    align-items: center;
    border-radius: 1.375rem;
    padding-bottom: 1rem;
    margin: 2rem;
    width: 300px;
    text-align: center;
    background-color: var(--ist-footer-background);
    cursor: pointer;
    transition: all .3s;
}

.project img {
    border-top-left-radius: 1.375rem;
    border-top-right-radius: 1.375rem;
    width: 100%;
    height: 140px;
}

.project:hover {
    transform: scale(1.05)
}

.projectText {
    color: var(--ist-color-dark);
}

.projectText h1 {
    font-size: 25px;
    letter-spacing: 1px
}

.ist-presentation-text {
    text-align: center;
    padding-top: 250px;
    padding-bottom: 200px;
    font-size: 40px;
}

.ist-images-centared {
    display: flex;
    text-align: center;
    align-items: center;
}

.ist-parteners-box {
    background-color: var(--ist-footer-background);
    border-radius: 1.375rem;
    padding: 20px;
    margin-bottom: 20px;
    cursor: pointer;
    transition: all .3s;
}

.ist-parteners-box:hover {
    transform: scale(1.05)
}

footer {
    font-size: 15px;
    background-color: var(--ist-footer-background);
    padding: 20px 0px;
    text-align: center;
}