@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');
html {
    scroll-behavior: smooth;
}
.container {
    max-width: 1240px;
    width: 100%;
    margin: 0 auto;
}

body {
    margin: 0;
    font-family: "Open Sans", sans-serif;
}

p,
.service-items li {
    color: #A4A4A4;
    font-size: 14px;
    line-height: 150%;
    font-weight: 400;
}

.about-us-description-col p,
.title-description {
    font-size: 16px;
}

.mb-100 {
    margin-bottom: 90px;
}

.hero {
    position: relative;
    width: 100%;
    height: 85.3vh; 
    overflow: hidden;
  }
  
  .hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1; 
    opacity: 0.45;
  }
  
  .hero-content {
    position: relative;
    z-index: 1; 
  }
  
.navigation {
    display: flex;
    justify-content: space-between;
}

.nav-logo {
    margin-top: 35px;
}

.nav,
.lang  {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    padding: 45px 0 85px;
}

.nav a, 
.lang a{
    color: #333;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    padding: 8px 20px;
}
.lang a{
    padding: 8px 2px;
}

.nav a:hover {
    color: #161D6F;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 30px;
}
.hamburger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger-menu a{
    display: block;
    width: 30px;
    height: 4px;
    background: white;
    transition: 0.3s;
}
/*slider*/
.slider {
    width: 100%;
    height: 100vh;
}

.slide {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-size: cover;
    background-position: center;
    position: relative;
}

.overlay {
    background: rgba(0, 0, 0, 0.2);
    color: #F2F2F2;
    padding: 17px;
    max-width: 670px;
    text-align: left;
}

.overlay p {
    font-size: 20px;
    line-height: 150%;
    margin: 0;
    color: #F2F2F2;
}

.overlay p strong {
    color: #050856;
}

.stats-content .number {
    font-size: 24px;
    font-weight: 600;
    color: #0C1524;
    text-shadow: -1px -1px 0 white, 1px -1px 0 white, -1px 1px 0 white, 1px 1px 0 white;
}

.stats-content .text {
    color: #000000;
    font-size: 20px;
}

.slide h2 {
    font-size: 50px;
    font-weight: 800;
    line-height: 120%;
    color: #F2F2F2;
}

.slide h2 span {
    color: #050856;
}

.slide .stats {
    display: flex;
    gap: 20%;
    margin-top: 20px;
}

.slide .stats .stats-col {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stats-content {
    display: flex;
    flex-direction: column;
}

.slick-dots {
    top: 0.5%;
    left: -4%;
    bottom: 0;
    width: 20px;
}

.slick-dots li button {
    width: 16px;
    height: 16px;
}

.slick-dots li.slick-active button:before {
    content: url(./image/dots-active.svg);
    opacity: 1;
    top: 0;
    left: -4px;
}

.slick-dots li button:before {
    content: url(./image/dots.svg);
    opacity: 1;
    top: 0;
    left: -4px;
}

/*end-slider*/
.hero-decor {
    height: 216px;
}

.about-us {
    margin-top: 72px;
}

.clients-logo {
    display: flex;
    justify-content: space-between;
}

.our-clients h3 {
    font-size: 20px;
    font-weight: bold;
    color: #050856;
}

.about-container {
    background: url(./image/about-bg.png);
    padding: 60px 20px 0;
    background-size: cover;
    background-repeat: no-repeat;
    border-radius: 8px;
}

.title-about {
    display: inline-block;
    background: rgba(0, 0, 0, 0.2);
    padding: 17px 12px;
    margin-bottom: 22%;
    margin-left: 35px;
}

.title-about h3 {
    color: #F2F2F2;
    font-size: 28px;
    font-weight: 800;
    text-transform: uppercase;
    line-height: 120%;
    margin: 0;
}

.description-title {
    background: #fff;
    border-radius: 8px 8px 0 0;
    padding: 33px 35px 15px 35px;
    width: 45%;
}

.description-title h4 {
    margin: 0;
    font-size: 20px;
    color: #0C1524;
    font-weight: 600;
    line-height: 150%;
}

.about-us-description-col strong {
    color: #050856;
    font-weight: 600;
}

.services-container {
    display: flex;
    justify-content: space-between;
}

.about-us-services-col {
    width: 46%;
    margin-left: 35px;
}

.service-content h3 {
    font-size: 18px;
    color: #050856;
    line-height: 150%;
    font-weight: 700;
    text-transform: uppercase;
    margin-top: 29px;
}

.service-items li {
    list-style: none;
    position: relative;
    padding-left: 0px;
    margin-bottom: 24px;
}

.service-items.service-items2 li {
    list-style: none;
    position: relative;
    padding-left: 9px;
}

.service-items li span {
    color: #0C1524;
    font-weight: 600;
}

.service-items li span.service-items-even {
    color: #050856;
}

ul.service-items li::before,
ul.service-items.service-items2 li::before {
    content: "•";
    font-size: 35px;
    position: absolute;
    left: -19px;
    top: 23%;
    transform: translateY(-50%);
}

ul.service-items.service-items2 li::before {
    left: -10px;
    top: 23%;
    transform: translateY(-20%);
}

ul.service-items li:nth-child(odd)::before,
ul.service-items.service-items2 li:nth-child(even)::before {
    color: #050856;
}

ul.service-items li:nth-child(even)::before,
ul.service-items.service-items2 li:nth-child(odd)::before {
    color: #0C1524;
}

.about-us-description-col>p {
    margin-top: 3px;
}

.over-text {
    color: #050856;
    font-weight: 600;
    text-decoration: underline;

}

ul.service-items {
    padding-left: 0;
}

.activity-domains-title {
    font-size: 28px;
    color: #050856;
    font-weight: 700;
    letter-spacing: -0.03em;
    border-left: 6px solid #050856;
    padding-left: 10px;
}

.titel-oil-industry {
    color: #0C1524;
    font-size: 20px;
    font-weight: 600;
    line-height: 120%;
    margin-bottom: 15px;
    }

.titel-oil-industry .bordered {
    border-bottom: 4px solid #0C1524;
}
ul.service-items.service-items2 {
    margin-top: 18px;
}
.icon-oil-industry {
    width: 64px;
    height: 64px;
    border: 2px solid #0C1524;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.titels-oil-industry {
    display: flex;
    align-items: center;
    gap: 25px;
}

.oil-industry {
    display: flex;
    justify-content: space-between;
    gap: 0;
    margin-bottom: 54px;
}

.subtitel-oil-industry {
    color: #0C1524;
    font-size: 18px;
    font-weight: 600;
    line-height: 120%;
    margin: 30px 0 20px;
}

.service-items-even.oil-item {
    color: #161D6F !important;

}

ul.service-items.oil-items {
    width: 75%;
}

ul.service-items.oil-items li::before {
    content: "" !important;
    background: url(./image/check.svg) !important;
    width: 24px !important;
    height: 24px !important;
    position: absolute;
    left: 0 !important;
    top: 23% !important;
    transform: translateY(-50%);
}

ul.service-items.oil-items li {
    padding-left: 40px !important;
}

.activity-domains {
    background: linear-gradient(to left, rgba(140, 140, 140, 0) 57%, rgba(242, 242, 242, 0.6) 100%), 
                url(./image/world.png);
    background-repeat: no-repeat;
    background-position: bottom right;
    padding: 40px 0;
}

.technologies-block h6,
.global-expertise-block h6 {
    color: #161D6F;
    font-size: 14px;
    margin-bottom: 10px;
}

.global-expertise-block h6 {
    margin-top: 43px;
}

.subtitel-oil-industry.technologies {
    font-size: 20px;
}

.technologies-item-title h4 {
    color: #0C1524;
    font-size: 18px;
    font-weight: 600;
    line-height: 120%;
    margin: 0;
}

.technologies-item-title {
    display: flex;
    gap: 20px;
}

.technologies-items {
    display: flex;
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 10px;
    justify-content: space-between;
}
.technologies-item {
    width: 30%;
}
.technologies-item p {
    margin: 10px 0 0 50px;
}

.global-expertise {
    display: flex;
}

.global-expertise-col {
    width: 50%;
}

.global-expertise-image {
    position: relative;
}

.global-expertise-image img {
    position: absolute;
    right: -53%;
    top: -8%;
}

.global-expertise-item p {
    font-size: 16px;
    color: #0C1524;
    line-height: 150%;
}

.global-expertise-item-decor {
    height: 4px;
    width: 11%;
    background-color: #161D6F;
    margin-bottom: 10px;
}

.global-expertise-item {
    width: 45%;
}

.global-expertise-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 36px;
    margin-top: 36px;
}

.expertise {
    background: rgba(255, 255, 255, 0.4);
    padding: 23px 26px;
    border-radius: 9px;
    border: 2px solid #161D6F33;
    margin-top: 24px;
    margin-bottom: 100px;
}

.expertise p {
    color: #161D6F;
    font-size: 16px;
    line-height: 150%;
    text-align: center;
}

.monitoring-block .oil-industry {
    gap: 38px;
}

.monitoring-block .subtitel-oil-industry {
    margin: 20px 0 15px;
}

.monitoring-block ul.service-items.oil-items li::before {
    top: 38% !important;
}

.monitoring-block .title-description {
    margin-bottom: 30px;
}

.technologies-block.security-block {
    text-align: center;
}

.securit-item {
    text-align: center;
    width: 15%;
}

.securit-item p {
    font-size: 18px;
    color: #161D6F;
    font-weight: 600;
    line-height: 120%;
    hyphens: auto;
    word-wrap: break-word;
    word-break: break-word;
}

.securit-content {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
}
.projects-block-foto {
    row-gap: 10px;
    display: flex;
    flex-wrap: wrap;
    column-gap: 26px;
    justify-content: space-between;
    margin-top: 40px;
}
.projects-block-foto img{
    border-radius: 8px;
}
.contact-block {
    display: flex;
}
.contact-block .titel-oil-industry{
    margin-bottom: 26px;
}
.contact-location {
    display: flex;
    gap: 25px;
    margin: 50px 0;
}
.contact-location p,
.contact-location a{
    color: #161D6F;
    font-size: 18px;
    font-weight: 400;
    line-height: 150%;
    text-decoration: none;
}
footer{
    background: #161D6F;
    padding: 45px 0;
}
.footer-content-text{
    font-family: "Inter", sans-serif;
    font-size: 16px;
    font-weight: 300;
    color: #fff;
}
.footer-content{
    display: flex;
    justify-content: space-between;
}
.footer-content-col1 {
    width: 35%;
}
.footer-content-col2,
.footer-content-col3{
    width: 25%;
}
.footer-nav{
    display: flex;
    flex-direction: column;
    gap: 37px;
    margin: 16px 0;
}
.footer-nav a{
    font-size: 18px;
    color: #fff;
    font-weight: 600;
    line-height: 16px;
    text-decoration: none;
}
.footer-social {
    text-align: end;
}
.footer-social a{
    text-decoration: none;
    padding: 0 10px;
}
.copyright{
    text-align: center;
    display: flex;
    justify-content: center;
    margin-top: 18px;
    margin-bottom: 10.7%;
}
.copyright-content{
    display: flex;
    gap: 17px;
}
.copyright p{
    font-size: 20px;
    color: #fff;
    font-weight: 300;
    font-style: italic;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.nav-desktop {
    display: flex;
}

.nav-mobile {
    display: none;
}

.hamburger-menu {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 9999;
    margin-right: 20px;
    margin-top: 20px;
}

.hamburger-menu span {
    display: block;
    width: 26px;
    height: 4px;
    background: white;
    transition: 0.3s;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 0px;
    left: 0;
    width: 100%;
    background: #161d6f;
    padding: 40px;
    text-align: left;
    z-index: 99;
}

.mobile-menu a {
    display: block;
    padding: 10px;
    color: white;
    text-decoration: none;
    font-size: 18px;
}

.mobile-menu a:hover {
    background: #444;
}

.mobile-menu.open {
    display: flex;
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 6px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.projects-block-foto {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.project-item {
    position: relative;
    overflow: hidden;
}
.project-item img {
    width: 100%;
    height: 100%;
    display: block;
}
.project-text {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    background: rgba(12, 21, 36, 0.2);
    padding: 10px;
    text-align: center;
    transition: bottom 0.5s ease-in-out;
    height: 90px;
}
.project-content {
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80%;
    margin: 0 auto;
    font-size: 14px;
    font-weight: 600;
    color: rgba(242, 242, 242, 1);
}
.project-item:hover .project-text {
    bottom: 0;
}
/* ======= MEDIA ======= */
@media (max-width: 1310px){
    .container {
        width: 90%;
    }
}
@media (max-width: 980px) {
    .nav-desktop {
        display: none;
    }

    .nav-mobile {
        display: flex;
        align-items: center;
    }
    .nav, .lang {
        justify-content: flex-start;
        padding: 20vh 0 30px;
    }
    .container {
        width: 85%;
        margin: 0 auto;

    }
    .slider {
        width: 100%;
        height: 70vh;
        margin-top: 35px;
    }
    .overlay,
    .slide .stats .stats-col{
        max-width: 90%;
        margin-left: 15px;
    }
    .slick-dots {
        top: 27%;
        left: -4%;
        bottom: 0;
        width: 20px;
    }
    .description-title,
    .oil-industry-col img {
        width: 100%;
    }
    .oil-industry{
        flex-wrap: wrap;
        margin-bottom: 24px;
    }
    .titels-oil-industry {
        margin-bottom: 15px;
    }
    .technologies-item {
        width: 80%;
    }
    .technologies-items {
        flex-wrap: wrap;
    }
    .contact-block {
        flex-wrap: wrap;
    }
    .global-expertise-col {
        width: 101%;
    }
    .securit-content {
        justify-content: center;
        flex-wrap: wrap;
        gap: 20px;
    }
    .securit-item {
        width: 28%;
    }
    .projects-block-foto img,
    .contact-col>img,
    .footer-content-col1,
    .footer-content-col2,
     .footer-content-col3 {
        width: 100%;
    }
    .footer-content {
        flex-direction: column;
    }
    .footer-content-col1{
        margin: 20px 0;
    }
}