:root {
--dark: #1D2028;
--text: #5A6066;
--gray-200: #eee;
--gray-300: #e0e0e0;
--gray-700: #616161;
--gray-900: #212121;

--primary: #4991ce ;
--success: #68bd0e;
--danger: #e1251b;
--warning: #ffb82e;
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 0 16px;
    margin: 0 auto;
} 


.d-flex {
    display: flex;
}

.align-left {
    align-items: flex-start;
}

.align-right {
    align-items: flex-end;
}

.align-center {
    align-items: center;
}

.justify-content-start {
    justify-content: flex-start;
}

.flex-column {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}

.space-section {
    margin-bottom: 75px;
}

.mt-5 {
    margin-top: 32px;
}


* {
    margin: 0;
    padding: 0;
    border: 0;
    box-sizing: border-box;
    font-family: "Roboto", sans-serif;
    }

html {
    scroll-behavior: smooth;
    font-size: 62.5%;
}

.noselect {
    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
    -khtml-user-select: none; /* Konqueror HTML */
    -moz-user-select: none; /* Old versions of Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
    user-select: none; /* Non-prefixed version, currently
                                    supported by Chrome, Edge, Opera and Firefox */
}

body {
    background: #fff;
    font-family: "Roboto", sans-serif;
    color: #5A6066;
     
}


.btn-primary {
    border-radius: 10px;
    background: transparent;
    border-radius: 60px;
    border: 1px solid var(--primary);
    color: var(--primary);
    height: 50px; 
    font-style: normal;
    font-weight: normal;
    font-size: 1.6rem;
    line-height: 140%;
    text-decoration: none;
    padding: 10px 20px;
}

.sub-header {
    background: #F5F5F5;
    height: 45px;
    display: flex;
    align-items: center;
}

.sub-header-container { 
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.sub-header-container p {
    font-size: 1.6rem;
    margin-left: 16px;
    display: flex;
    align-items: center;
    font-weight: 400;
}

.sub-header-container p img {
    margin-right: 8px;
}


header { 
    border-bottom: 1px solid #f5f5f5;
}
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 130px;
}

#menu-burger {
    display: none;
    cursor: pointer;
}

.navigation {
    display: flex;
}

.navigation a {
    padding: 10px 24px ;
    border-radius: 60px;
    color: #5A6066;
    font-size: 1.6rem;
    text-decoration: none;
    font-weight: 400;
    box-sizing: border-box;
}
.navigation a.active { 
    color: #5C98F8; 
    background: rgba(92, 152, 248, 0.10);
}

.banner {
    height: 450px;
    width: 100%;  
     
}

.banner-item { 
    height: 450px;
    width: 100vw;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-color: #01050E;   
}

.banner1 {
    background-image: url("../img/banner-vallium-1.jpg");   
}

.banner2 {
    background-image: url("../img/banner-vallium-2.jpg");     
}

.banner3 {
    background-image: url("../img/banner-vallium-1.jpg");   
}

.banner4 {
    background-image: url("../img/banner-vallium-1.png");   
}

.banner .box-text {
    width: 100%;
    max-width: 375px;
    color:  var(--text);
}

.banner .box-text .banner-title {
    font-style: normal;
    font-weight: bold;
    font-size: 3.2rem;
    max-width: 375px;
    line-height: 120%;
    color: #F8F8F8;
    margin-bottom: 16px;
} 

.banner .box-text p {
    font-family: Roboto;
    font-style: normal;
    font-weight: normal;
    font-size: 1.4rem;
    line-height: 140%;
    color: #b8b8b8;
    margin-bottom: 50px;
}

.banner .box-text button,
.banner .box-text .button {
    border-radius: 10px;
    background: transparent;
    border-radius: 60px;
    border: 1px solid var(--primary);
    color: var(--primary);
    height: 50px;
    width: 268px;
    font-style: normal;
    font-weight: normal;
    font-size: 1.6rem;
    line-height: 140%;
    text-decoration: none;
    padding: 10px 20px;
}

.banner .align-center {
    display: flex;
    align-items: center;
    height: 100%;
}
.banner-client {
    max-width: 100px;
    margin-right: 16px;
}
.box-clients {
    display: flex;
    margin-top: 32px;
    justify-content: flex-start;
    align-items: center;
}
.banner .box-text .box-clients .banner-client-title {
    margin: 0;
    padding: 0;
}
.owl-nav {
    display: none;
}
.owl-dots {
    position: absolute;
    bottom: 40px;
    z-index: 99;
    left: 50%;
    transform: translate(-50%, -50%);
}

.owl-theme .owl-dots .owl-dot.active span, .owl-theme .owl-dots .owl-dot:hover span{
    background: var(--primary)!important;
}

.owl-dots:last-child {
display: none;
}

#carrousel1 {
margin-bottom: 35px;
}

#carrousel1 .owl-dots {
    display: block;
    bottom: 0px;
}

.owl-dots .owl-dot:last-child {
    display: none;
} 

.highlight {
    color: var(--primary);
    position: relative;
}

.highlight::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 3px;
    width: 100%;
    height: 4px; 
    background: linear-gradient(90deg, #4991ce -42.13%, rgba(92, 152, 248, 0.00) 100%);
}



.title-section {
    font-size: 3.2rem;
    color: var(--dark);
    max-width: 375px;
    margin-bottom: 36px;
    margin-top: 60px;
}


.box-services {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap; 
    width: 100%;
}

.service-item {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 550px; 
    margin-bottom: 80px;
}

.service-item:nth-child(odd) {
    margin-right: 16px;
}

.service-item__texts {
    margin-left: 32px;
}

.service-item__title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 16px;
    color: var(--dark);
}

.service-item__description {
    color: var(--text);
    font-size: 1.6rem;
    font-weight: 400;
    text-align: left;
}


.about {
    background-image: linear-gradient(to right, #1D2028 30%, transparent 0%);  
     min-height: 767px;
    width: 100%;
    display: flex;
    align-items: center;
    margin-bottom: 120px;
}
.about__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.about__text { 
    max-width: 475px;
}

.about img {
    max-width: 100%;
    height: auto;
}

.about__text .title-section {
    font-size: 3.2rem;
}

.about__text p {
    font-size: 2.4rem;
    font-weight: 300;
    text-align: left;
    color: var(--text);
    margin-bottom: 64px;

} 

.box-contact {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 100%;
}
.box-contact .cover-contact {
    width: 100%;  
}

.box-contact .box-contact__text {
    width: 100%;
    max-width: 475px;
    text-align: justify; 
    font-size: 2rem;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
}

.contact-list {
    list-style: none;
    margin-top: 32px;
}

.contact-list li {
    display: flex;
    align-items: center;
   max-width: 570px;
    margin-bottom: 24px;
}
.contact-list li a {
    text-decoration: none; 
    font-size: 2.1rem; 
    font-weight: 400; 
    color: var(--dark);
}
.contact-list li img {
    margin-right: 16px;
}




footer {
    border-top: 2px solid var(--primary);
    background: #0E1119;
    width: 100%;
    height: 110px;
    display: flex;
    align-items: center;
    margin-top: 110px;
}

.footer-text {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    font-weight: 300;
}

.footer-text p {
    font-size: 1.6rem;
    color: #9c9fa3;
    margin-bottom: 8px;

}

.footer-text a {
    text-decoration: none;
    color: var(--primary);
    margin-bottom: 8px;
}


.products-secondary {
    background: #f8f8f8;
    min-height: 1000px; 
    padding-top: 8px;
    padding-bottom: 100px;
    box-sizing: border-box;
    margin-bottom: 200px;
}

.box-products-secondary {
    background: #fff;
    min-height: 800px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    padding: 32px 64px;

}

.products-secondary__panel {
    background: #1D2028;
    width: 100%;
    max-width: 500px;
    height: 700px;
    min-height: 100%; 
    border-radius: 6px;
    padding: 32px;
    box-sizing: border-box;
}
.products-secondary__list ul {
    list-style: none;
}

.products-secondary__list ul li {
    font-size: 2.4rem;
    font-weight: 400;
    color: var(--dark);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    cursor: pointer;
}
.products-secondary__list ul li img {
    margin-right: 32px;
}

.products-secondary__title {
    color: #fff;
    font-size: 3.2rem;
    font-weight: bold;
    margin-bottom: 24px;
}

.products-secondary__subtitle {
    color: #fff;
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: 24px;
} 

.products-secondary__description {
    font-size: 1.6rem;
    color: #B8B8B8;
    margin-bottom:40px;
  }

.products-secondary__tag {
    border: 1px solid var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 1.4rem;
    color: #FFF;
    margin-bottom: 24px;
    display: inline-block;
}

.box-products-secondary {
    display: flex;
    justify-content: space-between;
    
}

.products-secondary__panel ol {
    list-style: none;
    counter-reset: list-counter;
    padding-left: 0;
    margin-bottom: 40px;
  }

  .products-secondary__panel ol li {
    position: relative;
    counter-increment: list-counter;
    padding-left: 44px;
    font-size: 1.6rem;
    margin-bottom: 32px;

  }

  .products-secondary__panel ol li:before {
    content: counter(list-counter);
    display: inline-block;
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    border-radius: 50%;
    background-color: #353B49;
    color: #BFC0C5;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
  }

 



@media only screen and (max-width: 1000px) and (min-width: 801px) {

    .img-about {
        width: 100%;
        max-width: 250px; 
    }

    .about__text {
        margin-left: 30px;
    }

    .about img {
        max-width: 100%;
        height: auto;
    }

    .about {
        background-image: linear-gradient(to right, #1D2028 20%, transparent 0%);
    }

    .about__text .title-section {
        font-size: 2.4rem;
    }

    .about__text p {
        font-size: 1.8rem;
    }
}


@media only screen and (max-width: 700px) {

    .box-products-secondary {
        display: flex;
        justify-content: space-between;
        flex-direction: column;
        padding: 0;
        align-items: center;
    }
    .products-secondary__title {
        font-size: 2.4rem;
    }

    
    .box-contact .cover-contact {
        width: 100%;  
        max-width: 500px;
    }
    .box-contact__left {
        max-width: 500px;
    }

     
    
    .box-contact .cover-contact { 
            height: auto;
    }
    
    .about {
        background-image: none;
    }
    #menu-burger {
        display: block;
        font-size: 32px;
        border: 0;
        color: var(--primary);
        background: transparent;
        margin-bottom: 10px;
    } 

    #menu {
        display: none;
    }

    .sub-header {
        display: none;
    }

    .navigation {
        flex-direction: column;
        background: #fff;
        width: 100%;
        position: fixed;
        top: 130px;
        left:0px;
        z-index: 99;
        
    }

    .navigation a {
        width: 100%;
        padding: 20px;
        border-radius: 0;
        border-bottom: 1px solid #e6e6e6;
    }


    .banner-item {
        background-position: right top;
        background-size: cover;
    }
    .banner1 {
        background-image: url("../img/banner-vallium-1-mobile.png");   
    }
    .banner2 {
        background-image: url("../img/banner-vallium-2-mobile.png");   
    }

}