*{
    margin: 0;
    padding: 0;
    font-family: "Open sans", sans-serif;
}
.header {
    min-height: 100vh;
    width: 100%;
    background-image: url(images/backgound.jpg);
    background-position: center;
    background-size: cover;
    position: relative;
}
html{
    scroll-behavior: smooth;
}
nav {
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: flex-end;
}
.nav img {
    width: 100%;
}
.nav-links {
    flex: 1;
    text-align: right;
}
.nav-links ul li {
    list-style: none;
    display: inline-block;
    padding: 8px 12px;
    position: relative;
    background-color: #da4500;
}
.nav-links ul li a {
    color: white;
    text-decoration: none;
    font-size: 14px;
}
.nav-links ul li::after {
    content: "";
    width: 0%;
    height: 2px;
    background: white;
    display: block;
    margin: auto;
    transition: 0.5s;
}
.nav-links ul li:hover::after {
    width: 100%;
}
.text-box { 
    width: 88%;
    color: #0095da;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%);
    text-align: left;
}
.text-box h1 {
    font-size: 32px;
}
.text-box p {
    margin: 10px 0 20px;
    font-size: 15px;
    color: black;
}
.text-box a {
    display: inline-block;
    text-decoration: none;
    color: black;
    border: 1px solid black;
    padding: 12px 34px;
    font-size: 13px;
    background: transparent;
    position: relative;
}
nav .fa {
    display: none;
}


/*-------------about----------*/

.about {
    width: 78%;
    margin: auto;
    text-align: center;
}
.about h1{
    margin: 10px 0 10px;
    font-size: 36px;
    padding: 100px 0 0;
    color: #0072a7;
}
.about p{
    font-size: 15px;
    line-height: 25px;
    padding: 10px 0;
    text-align: left;
}

/*-------------our solutions----------*/

.solutions {
    width: 78%;
    margin: auto;
    text-align: left;
}

.solutions h1 {
    font-size: 36px;
    font-weight: 600;
    color: #0072a7;
}
.product-head h1{
    padding-top: 100px;
    text-align: center;
}
.solutions p {
    color: black;
    font-size: 15px;
    font-weight: 300;
    line-height: 24px;
    padding-top: 20px;
    text-align: left;
}

.row {
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}

.solutions-col {
    flex-basis: 31%;
    background: white;
    border-radius: 10px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
    box-shadow: 6px 6px 6px rgba(0, 0, 0, 0.1);
}
.solutions-col img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    height: 120px;
    border-radius: 50%;
}
.solutions-col p {
    text-align: left;
}
h3 {
    text-align: center;
    font-weight: 600;
    margin: 10px 0;
    color: #0095da;
}

.solutions-col:hover {
    background: lightskyblue;
}


/*-------------principals----------*/

.principals {
    width: 78%;
    margin: auto;
    text-align: center;
}
.principals h1 {
    font-size: 36px;
    padding: 100px 0 0;
    color: #0072a7;
}
.principals p{
    font-size: 15px;
    padding: 20px 0;
    text-align: left;
}
.principals-col {
    flex-basis: 20%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
}
.principals-col img {
    display: flex;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}
.principals-col p{
    padding: 0;
    font-size: 15px;
    line-height: 24px;
    text-align: center;
}
.principals-col h3{
    margin-top: 16px;
    margin-bottom: 15px;
    text-align: center;
}

/*-------------call to action----------*/
.cta {
    margin: 100px auto;
    width: 72%;
    background-image: linear-gradient(rgba(0,0,0,0.6),rgba(0,0,0,0.7)),url(images/banner1.jpg);
    background-position: center;
    background-size: cover;
    border-radius: 10px;
    text-align: center;
    padding: 100px 0;
}
.cta h1 {
    color: #fff;
    margin: 30px;
    padding-left: 60px;
    padding-right: 60px;
}

/*--------------contact us page-------------*/

.contact {
    width: 78%;
    margin: auto;
}
.contact h1 {
    padding: 20px 0;
    text-align: center;
    font-size: 36px;
    color: #0072a7;
}
.contact-col {
    flex-basis: 48%;
    margin-bottom: 40px;
}
.contact-col div {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}
.contact-col div .fa {
    font-size: 24px;
    color: #f44336;
    margin: 10px;
    margin-right: 30px;
}
.contact-col div p {
    padding: 0;
}
.contact-col div h5 {
    font-size: 15px;
    margin-bottom: 10px;
    color: #555;
    font-weight: 400;
}

#backToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 100;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: #555;
  color: white;
  cursor: pointer;
  padding: 12px 15px;
  border-radius: 50%;
  display: none; /* hidden by default */
  transition: all 0.3s ease;
}

#backToTop:hover {
  background-color: #000;
}

/*--------------responsice css-------------*/


@media(max-width: 700px) {
    .text-box h1 {
        font-size: 20px;
    }
    .nav-links ul li{
        display: block;
    }
    .nav-links {
        position: fixed;
        background: #da4500;
        height: 100vh;
        width: 200px;
        top: 0;
        right: -200px;
        text-align: left;
        z-index: 2;
        transition: 1s;
    }
    nav .fa {
        display: block;
        color: #fff;
        margin: 10px;
        font-size: 22px;
        cursor: pointer;
    }
    .nav-links ul {
        padding: 30px;
    }
    .row {
        flex-direction: column;
    }
    .testimonial-col img {
        margin-left: 0px;
        margin-right: 15px;
    }
    .cta h1 {
        font-size: 24px;
    }
    .sub-header h1 {
        font-size: 24px;
    }
}


/*---------footer--------*/

.footer {
    width: 100%;
}
.footer p {
    text-align: center;
    padding: 30px 0;
    color: white;
    background-color: #da4500;
}

.arrow-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9;
}
.arrow-btn a{
    height: 39px;
    width: 37px;
    text-align: center;
    background: #0072a7;
    display: block;
    border-radius: 3px;
    cursor: pointer;
}
.arrow-btn a span{
    color: #f2f2f2;
    line-height: 39px;
    font-size: 25px;

}