body{
    background-color: var(--background);
    font-family: 'Inter', sans-serif;
    padding: 0px;
    margin: 0px;
}

.row{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}


ul {
    margin: 0px;
    padding: 0px;
}

a {
    text-decoration: none;
    cursor: pointer;
}
li {
    list-style: none;
    cursor: pointer;
}

h4.title {
    margin: 100px;
}



/* --------  service ------------ */

.service-header {
    display: flex;
    justify-content: space-between;
    height: 40px;
    align-items: center;
    margin-bottom: 20px;
}

.service {
    margin: 20px 0px;
}

.our-service {
    color: var(--font-color);
    width: 80%;
    margin: auto;
    text-align: center;
}

.service-header {
    display: flex;
    justify-content: space-between;
    cursor: pointer;
}

.service-button {
    width: 30px;
  }

.service-text {
    border-bottom: 1px solid var(--neutral-80);
    font-size: 19px;
    font-weight: lighter;
    height: 0;
    overflow: hidden;
    transition: all 0.5s ease-in-out;
    text-align: left;
}

.toggle-panel {
    height: 80px;
}

.service-button div {
    position: relative;
    top: 0;
    height: 4px;
    background-color: var(--opposite-background);
    margin-bottom: 10px;
    transition: 0.3s ease transform, 0.3s ease top, 0.3s ease width,  0.3s ease right;
    border-radius: 2px;
  }
  
  .service-button div:first-child {
    transform-origin: 14px;
    opacity: 0;
    top: 14px;
  }
  
  .service-button div:last-child {
    margin-bottom: 0;
    transform-origin: 30px;
    position: absolute;
  }

  .toggle-button-close {
    opacity: 1 !important;
    transform: rotate(90deg);
  }



/* -------------------------- */

/* arrow-button */

span.arrow-button {
    padding: 10px 10px;
    cursor: pointer;
    width: 150px;
}
span p {
    display: block;
    margin: 0px;
    text-align: center;
}

.arrow-img {
    opacity: 1;
    position: relative;
    top: -105%;
    left: 95px;
    opacity: 0;
    transition: all 0.7s cubic-bezier(0.10, 0.71, 0.37, 0.95);
}

span.arrow-button:hover {
    width: 110px;
}
.arrow-button:hover .arrow-img {
    /* left: 90px; */
    opacity: 1;
}

@keyframes show-arrow {
        
}


/* ----------------- */

/* intro */
section.intro {
    display: flex;
    width: 80%;
    margin: auto;
    color: var(--font-color);
    margin-top: 40px;
}

.intro strong{
    color: var(--free-color);
}

.intro-text {
    width: 50%;
}

h2.text-header {
    font-weight: bolder;
    font-size: 36px;
}

p.text-body {
    margin: 50px 0px;
    font-weight: 200;
}

.sub-text {
    display: flex;
    height: 44px;
    align-items: center;
}

.intro-video{
    background-image: url(https://static.gfuse.it/media/icons/Vido-background/Video-background@2x.svg);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    height: 400px;
    width: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wrapper a img {
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0.8;
}

.wrapper a:hover img {
    /* box-shadow: 1px 1px black; */
    transform: scale(1.1);
}

.video-frame{
    background-image: url(https://static.gfuse.it/media/icons/video-frame.jpg);
    width: 152px;
    height: 119px;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--background);
    border-radius: 25px;
    margin-top: -30px;
    margin-left: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.wrapper {
    background: rgb(222 222 222 / 64%);
    position: absolute;
    width: 152px;
    height: 119px;
    margin-top: -30px;
    margin-left: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 25px;
}

.video-frame a{
    display: block;
    width: 60px;
    height: 60px;
}
.video-frame img {
    display: block;
    width: 60px;
    height: 60px;
}


/* ------------------- */

/* all style for logo sections */
.logo-container{
    display: flex;
    align-items: center;
    justify-content: center;
    height: 65px;
}

.logo img {
    height: 40px;
    transition: all 0.2s ease;
}

.logo img:hover{
    filter: invert(80%) sepia(68%) saturate(3192%) hue-rotate(212deg) brightness(100%) contrast(98%);
}
/* ====================== */

/* all style for main menu */
nav.menu {
    display: flex;
    text-align: center;
    justify-content: center;
    align-items: center;
    height: 64px;
}

.menu ul li {
    display: inline-block;
    margin-left: 32px;
    padding: 5px 0px;

}

.menu-item:before {
    content: '';
    display: block;
    width: 0%;
    height: 1px;
    background-color: var(--primary-70);
    margin-bottom: 2px;
    position: relative;
    right: -100%;
    opacity: 0;
    transition: all 0.7s ease;
}
.menu a {
    color: var(--font-color);
    font-weight: 300;
    transition: all 0.7s ease;
}

.menu-item:hover:before{
    width: 50%;
    right: -50%;
    opacity: 1;
}

.menu-item:hover  a{
    color: var(--primary-70);
}

/* =========================== */

/* all style for contact button */
.contact{
    display: flex;
    justify-content: center;
    align-items: center;
}
.contact-button {
    border: 2px var(--font-color) solid;
    color: var(--font-color);
    padding: 10px 10px;
    border-radius: 25px;
    width: 114px;
    height: 20px;
    position: relative;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.10, 0.71, 0.37, 0.95);
    overflow: hidden;
    cursor: pointer;
}
.contact-button::before{
    content: "";
    display: block;
    width: 10px;
    height: 10px;
    position: absolute;
    background-color: var(--font-color);
    z-index: -1;
    border-radius: 50%;
    top: 15px;
    left: -10px;
    transition: all 0.3s cubic-bezier(0.10, 0.71, 0.37, 0.95);
    opacity: 1;
    transform-origin: 50% 50%;
}

@keyframes show-wrapper {
    0% {
        transform: scale( 1 );
        width: 50px;
        height: 10px; 
        top: 15px;
        left: -5px;
    }
    100% {
       transform: scale(13);
       width: 50px;
       height: 10px;
       top: 15px;
       left: -5px;
    }
}

.contact-button:hover:before{
    animation: show-wrapper 1s forwards;
}

.contact-button:hover a{
    color: var(--primary-70);
}

.contact-button a {
    width: 100%;
    display: block;
    text-align: center;
}
/* =================================== */

/* all styles for burger button and menu */
.burger-menu-button{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 64px;
    display: none;
    z-index: 2;
}

#burger-button {
    display: block;
    width: 50px;
}


#burger-button #top-line,
#burger-button #center-line,
#burger-button #bottom-line {
    background: var(--opposite-background);
    display: block;
    height: 6px;
    border-radius: 3px;
    margin: 7px 0;
    transition: 0.5s;
}
#bottom-line{
    width: 70%;
}

#burger-button:hover #bottom-line{
    width: 100%;
}
.change-top-line {
    transform: translateY(12px) rotate(135deg);
}
.change-bottom-line {
    width: 100% !important;
    transform: translateY(-14px) rotate(-135deg);
}
.hide-center-line {
    transform: scale(0);
}
.burger_menu {
    position: fixed;
    width: 100%;
    right: 0px;
    left: 0px;
    top: 0px;
    bottom: 0px;
    background: var(--background);
    padding: 30px 10px;
    height: 100vh;
    display: none;
    box-sizing: content-box;
    z-index: 1;
    opacity: 0;
    transition: all 1s cubic-bezier(0.075, 0.82, 0.165, 1);
}

.burger_menu ul{
    width: 100px;
    margin: 30px 30px;
}

.burger_menu .menu-item{
    margin-top: 50px;
    width: fit-content;
    color: var(--font-color);
}

/* ------------------------------------ */

/* work with section */

section.work-with {
    display: flex;
    margin: 50px auto;
    width: 80%;
    flex-direction: column;
    color: var(--font-color);
    text-align: center;
}

.cutomers {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.customer {
    background: var(--opposite-background);
    color: var(--opposite-font-color);;
    display: flex;
    margin: 10px 10px;
    padding: 10px 30px;
    border-radius: 8px;
    align-items: center;
}

img.customer-image {
    margin: 0px 10px;
}
p.customer-text {
    font-weight: 600;
    width: 150px;
    text-align: left;
}

/* ---------------- */

/* Our Features */

section.our-features {
    max-width: 1200px;
    color: var(--font-color);
    text-align: center;
    margin: auto;
}

section.features {
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
}




.feature-group-1 {
    margin-top: 104px !important;
}

.feature-group-2 {
    margin-top: 158px !important;
}

.feature-group-3 {
    margin-top: 20px !important;
}
.feature-group-4 {
    margin-top: 1px !important;
}

.feature-group-5 {
    margin-top: 40px !important;
}

.feature-group-6 {
    margin-top: -100px !important;
}

.feature {
    display: flex;
    width: 300px;
    height: 280px;
    /* justify-content: center; */
    align-items: center;
    flex-shrink: 0;
    border-radius: 4px;
    border: 1px solid var(--background-70);
    /* margin: 40px 10px; */
    flex-direction: column;
    align-items: start;
    padding: 10px;
    transition: all 0.5s ease;
}

p.feature-text {
    font-size: medium;
    font-weight: 300;
    text-align: left;
}


.feature:hover {
    background-color: white;
}

.feature:hover img {
    filter: invert(80%) sepia(68%) saturate(3192%) hue-rotate(212deg) brightness(100%) contrast(98%);
}

.feature:hover .feature-title {
    color: black;
}

.feature:hover .feature-text {
    color: black;
}


/* ----------------------- */

/* Our Techs */

section.our-techs {
    text-align: center;
    color: var(--font-color);
    margin: 50px auto;
    overflow: hidden;
    position: relative;
}

.techs {
    display: flex;
    margin: auto;
    justify-content: center;
    flex-direction: column;
    overflow-x: auto;
    overflow-y: hidden;
}

.tech {
    display: flex;
    height: 56px;
    padding: 0px 24px;
    justify-content: center;
    align-items: center;
    gap: 8px;
    color: var(--font-color);
    border-radius: 80px;
    background: var(--tech-background-color);
    margin: 10px;
}

.techs-body {
    max-width: 1000px;
    position: relative;
    margin: auto;
}

.left-shadow , .right-shadow {
    height: 230px;
    width: 150px;
    position: absolute;
}

.right-shadow {
    right: 0px;
    top: 0px;
    background: linear-gradient(-90deg, var(--background), transparent);
}
.left-shadow {
    z-index: 1000;
    background: linear-gradient(90deg, var(--background), transparent);
}

.line-tech {
    display: flex;
}


/* ::-webkit-scrollbar {
    width: 0; 
    background: transparent; 
}

::-webkit-scrollbar-thumb {
    background: var(--background);
} */


/* Our Approach */

section.our-approach {
    /* margin: 20px; */
    text-align: center;
    color: var(--font-color);
    position: relative;
    margin: 40px 10px;

}

.approach-slider {
    width: 993px;
    margin: auto;
    display: flex;
}

.image-contents {
    position: relative;
    width: 50%;
    height: 575px;
}

.img-content {
    width: 460px;
    height: 540px;
    position: absolute;
    left: 0;
}

p.image-caption {
    position: relative;
    z-index: 100000;
    /* bottom: 0; */
    top: 90%;
    /* left: 0; */
    padding: 10px;
    background: #000000b5;
}
.image-body {
    width: 460px;
    height: 540px;
    position: absolute;
    left: 0;
    top: 29px;
    opacity: 0;
    transition: all 1s ease;
}

.text-contents {
    position: relative;
    width: 50%;
    right: 0;
    height: 600px;
}

.content-body {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 540px;
    transition: all 1s ease;
}

.content {
    background: var(--tech-background-color);
    margin-bottom: 10px;
    width: 460px;
    right: 0;
    text-align: left;
    padding: 20px;
    position: relative;
    transition: all 1s ease;
}

.selected_slide{
    background-color: #121c66;
}

.selected-slide-image{
    opacity: 1;
}

h1.content-number {
    text-align: left;
    font-size: 48px;
    color: var(--primary-20);
    margin: 10px 0px;
}

h3.content-title {
    font-size: 20px;
}

p.content-text {
    font-size: 14px;
    font-style: normal;
    font-weight: 300;
    line-height: 26px;
}

a.arrow-up img {
    transform: rotate(90deg);
}

a.arrow-down img {
    transform: rotate(-90deg);
}

/* our approach mobie-view  */

section.our-approach-mobile-view {
    color: var(--font-color);
    text-align: center;
    display: none;
}


/* customer refree */
section.customer-refer {
    margin: auto;
    text-align: center;
    color: var(--font-color);
    margin: 40px 10px;
    height: 450px;
}

.circle-slider {
    display: flex;
    justify-content: center;
    margin: 10px 50px;
    transition: all 0.5s ease;
    height: 130px;
}

.customer-logos {
    display: flex;
}

a.arrow-right, a.arrow-left {
    background: var(--primary);
    height: 40px;
    border-radius: 50%;
    width: 40px;
    align-items: center;
    display: flex;
}

a.arrow-right img, a.arrow-left img{
    margin: 7px;
}


a.arrow-right {
    transform: rotate(180deg);
}

.customer-logos div{
    margin: 5px 100px;
    position: relative;
    transition: all 0.5s ease;
}

img.circle-image {
    width: inherit;
}

p.text-body {
    width: 60%;
    margin: auto;
    color: var(--neutral-70);
}

.cutomers-messages {
    position: relative;
}

.customer-message {
    position: absolute;
    opacity: 0;
    transition: all 0.5s ease;
    width: 100%;
}

.selected_customer {
    opacity: 1;
}


/* post */

section.latest-posts {
    color: var(--font-color);
    text-align: center;
}

.post-body > a {
    color: var(--font-color);
    font-size: larger;
    margin: 25px 0px;
    display: inline-block;
    text-align: left;
    font-weight: 600;
}

.posts {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.post {
    display: flex;
    flex-direction: column;
    width: 300px;
    padding: 0px 20px;
}
.post > img {
    width: 300px;
    height: 198px;
    border-radius: 10px;
}

h5.post-title {
    font-size: large;
    text-align: left;
}

span.post-details {
    display: flex;
    gap: 10px;
    font-weight: 200;
}

p.post-text {
    color: var(--neutral-70);
    font-weight: 100;
    text-align: left;
}

/* contact us */

section.contact {
    background: rgba(0, 0, 0, 0.30);
    margin: 0px;
    display: flex;
    color: var(--font-color);
    flex-wrap: wrap;
    gap: 20px;
    margin: 100px 0px;
    padding: 150px 0px;
    background-image: url(https://static.gfuse.it/media/icons/Map.svg);
    background-position: center;
    background-size: 80%;
    background-repeat: no-repeat;
}

.descriptions {
    width: 25%;
}

.descriptions strong {
    color: var(--free-color);
}

p.description-text {
    font-family: Inter;
    font-size: 14px;
    font-style: normal;
    font-weight: 200;
    line-height: 26px;
}

form.contact-form {
    width: 40%;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.text-input {
    background: none;
    padding: 10px;
    outline: none;
    border: none;
    border-bottom: 1px solid gray;
    color: var(--font-color);
}

input.submit-button {
    width: 100px;
    padding: 10px;
    outline: none;
    border-radius: 20px;
    border: none;
    background-color: var(--primary);
    color: var(--font-color);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.5s ease;
}

.submit-button:hover{
    transform: scale(1.1);
    box-shadow: 0 0 4px 0px white;
}

/* input:invalid {
    border-bottom:  2px solid red;
  } */


/* footer */

footer {
    width: fit-content;
    margin: auto;
    position: relative;
}

.contact-info {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    border-bottom: 1px solid gray;
    padding-bottom: 10px;
}

.contact-info div {
    margin-right: 20px;
}

.logo-nav, .email-address {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.footer-logo img {
    width: 150px;
}

p.slogan {
    text-transform: uppercase;
    color: var(--font-color);
    letter-spacing: 4px;
    font-size: 14px;
    font-weight: 100;
}

nav.footer-nav li {
    margin-right: 10px;
    margin-left: 0px;
    margin-top: 12px;
}

.footer-nav a {
    font-weight: 200;
    font-size: small;
}

h5.detail-title, .subscription-title {
    color: var(--background-80);
    font-weight: 800;
    margin-bottom: 5px;
}

p.detail-data, .subscription-text {
    color: var(--font-color);
    font-weight: 100;
    font-size: 14px;
    margin-top: 0px;
}

.email-subscription{
    display: flex;
    flex-direction: column;
    justify-content: end;
    position: relative;
}

.input_with_button {
    position: relative;
    display: flex;
}

form.email-form {
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 1s ease-in;
    z-index: 20;
    width: 350px;
}

.subscription-title-blue{
    color: var(--primary);
    font-size: 14px;
    font-weight: 900;
}

.hide_form{
    opacity: 0;
}

p#invalid_email {
    color: red;
    font-size: 14px;
    font-weight: 200;
    transition: all 1s ease;
}

#message {
    position: absolute;
    width: 350px;
    transition: all 1s ease-in;
}

input.email-subscription {
    width: 100%;
    padding: 6px;
}

a.email-button {
    position: absolute;
    background: var(--primary);
    right: 0;
    margin: 3px;
    height: 25px;
    border-radius: 3px;
}

.social-contact {
    display: flex;
    justify-content: space-between;
    margin: 20px 0px;
    align-items: center;
}

.copyright {
    display: flex;
    color: var(--font-color);
    font-size: 14px;
    font-weight: 100;
    gap: 5px;
}

.social-icons {
    display: flex;
    gap: 10px;
}

a.social-network {
    cursor: pointer;
}

.scroll-top {
    background: var(--primary-95);
    width: 30px;
    height: 60px;
    border-radius: 20px;
    position: absolute;
    top: -130px;
    right: 80px;
    display: flex;
    align-items: center;
}

.scroll-top img {
    width: 30px;
    height: 40px;
}
.footer{
    background-image: url(https://static.gfuse.it/media/icons/Map.svg);
    background-position: center;
    background-size: 80%;
    background-repeat: no-repeat;
    margin-top: 200px;
    width: 80%;
    max-width: 1000px;
}