:root {
    --green: #088F8F;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior:smooth ;
}
.container {
    max-width: 1170px;
    margin: 0 auto;
}
.hamburger-icon {
    display: inline-block;
    cursor: pointer;
    margin-right: 10px;
  }
  
  .bar1, .bar2, .bar3 {
    width: 35px;
    height: 5px;
    background-color: #333;
    margin: 6px 0;
    transition: 0.4s;
  }
  
  .change .bar1 {
    transform: translate(0, 11px) rotate(-45deg);
  }
  
  .change .bar2 {opacity: 0;}
  
  .change .bar3 {
    transform: translate(0, -11px) rotate(45deg);
  }

@media screen and (min-width: 560px) {
    .hamburger-icon{
        display: none;
    }
}

body {
    font-family: Arial, Helvetica, sans-serif;
}
nav {
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);

    & .nav-wrapper  {
        height: 100px;
        display:  flex;
        justify-content: space-between;
        align-items: center;
    }
    & .menu {
        display: flex;
        list-style: none;

        & li {
            margin: 0 1rem;
            & a {
                text-decoration: none;
                color: #333;
            }
        }
    }
    & .mobile-menu {
        list-style: none;
        padding: 1rem;
        display: none;
        & li {
            margin-bottom: 1rem;
            & a {
                text-decoration: none;
                color: #333;
            }
        }
    }
    
    @media screen and (max-width: 560px) {
        & .menu {
            display: none;
        }
        
    }
    }
    
    header {
        height: 500px;
        background-color:  var(--green);
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: center;
        color: #fff;

        & .header-title {
            font-size: 64px;
        }
        & .header-sub-title {
            font-size: 24px;
        }
        & .header-btn {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            width: 150px;
            height: 50px;
            background-color: #fff;
            border-radius: 5px;
            text-decoration: none;
            color: #333;
            margin-top: 30px;
        }
    }
.lbg-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    text-align: center;

    & .lbg-items {
        margin: 3rem;
        & h3 {
            margin: 1rem 0;
            font-size: 32px;
            
        }

    }
}
.about-wrapper {
    display: flex;
    justify-content: space-between;
    padding: 3rem;

    & .about-left-box {
        width: 50%;

        & img {
            width: 100%;
        }
    }
    & .about-right-box {
        width: 50%;
        margin: 0 3rem;

        & .p {
            margin: 1rem 0;

        }

        & .about-btn {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            width: 125px;
            height: 50px;
            background-color: var(--green);
            border-radius: 5px;
            color: #fff;
            text-decoration: none;

        }
    }
    @media screen and (max-width: 560px) {
        flex-direction: column;

        & .about-left-box {
            width: 100%;

        }
        & .about-right-box {
            width: 100%;
            margin: 2rem 0;
        }
        
    }
}
.stats-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px,1fr));
    align-items: center;
    text-align: center;
    padding: 2rem 0;

    & .stats-items {
        margin: 2rem 0;

        & h3 {
            font-size: 48px;
            color: var(--green);
        }
    }
}
.why {
    background-color: var(--green);
    color: #fff;
    padding: 3rem 0;

    & .why-title {
        text-align: center;
        margin: 3rem 0;

        & h3 {
            font-size: 32px;
            margin: 1rem 0;
        }
        & p {
            width: 400px;
            margin: 0 auto;
        }
    }
    & .why-items-con {
        display: grid;
        grid-template-columns: 1fr 1fr;

        & .why-items {
            display: flex;
            padding: 2rem;

            & .why-items-right{
                margin-left: 1rem;

                & h4 {
                    margin-bottom: 0.5rem;
                }
            }
        }
    }
@media screen and (max-width:560px) {
    & .why-items-con {
        grid-template-columns: 1fr;
    }
}
}
.clients {
    padding: 3rem 0;

    & .clients-wrapper {
        text-align: center;

        & .clients-title {
            & h3 {
                font-size: 32px;
                color: var(--green);
            }
        }
        & .clients-group {
            display: flex;
            justify-content: space-between;
            & .clients-items {
                padding: 2rem;
                box-shadow: 0 0 10px rgba(0,0, 0, 0.3);
                margin: 2rem;
                border-radius: 10px;

                & img {
                    margin: 1rem 0;
                }
                & .clients-name {
                    font-size: 14px;
                }
                & .clients-position {
                    font-size: 10px;
                    color: #888;
                }
            }
        }

    }
    @media screen and (max-width:560px) {
            & .clients-group {
                flex-direction: column;
            }
    }
}

.contact {
    background-color: var(--green);

    & .contact-wrapper {
        display: flex;
        justify-content: space-between;
        padding: 3rem 0;
        color: #fff;

        & .contact-left-box{
            & h3 {
                font-size: 32px;
            }
            & img {
                width: 100%;
                margin-top: 1rem;
            }

        }
        & .contact-right-box{
            & form {
                width: 340px;
                
                & input {
                    display: block;
                    width: 100%;
                    height: 45px;
                    padding: 1rem;
                    border-radius: 5px;
                    border: none;
                    outline: none;
                    margin-top: 20px;
                }
                & textarea {
                    display: block;
                    width: 100%;
                    height: 150px;
                    padding: 1rem;
                    border-radius: 5px;
                    border: none;
                    outline: none;
                    margin-top: 20px;
                }
                & button {
                    width: 100px;
                    height: 30px;
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    border-radius: 5px;
                    border: none;
                    outline: none;
                    color: var(--green);
                    margin-top: 20px;
                    background-color: #fff;

                }
            }

        }
    }
    @media screen and (max-width:560px) {
        & .contact-wrapper {
            flex-direction: column;

            & .contact-left-box {
                margin: 1rem;
            }
            & .contact-right-box {
                margin: 1rem;

                & form {
                    width: 100%;
                }
            }
        }
        
    }
}
footer {
    text-align: center;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
}
#backToTop {
   display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: #fff;
    color: #333;
    cursor: pointer;
    padding: 15px;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3) ;
  }