* {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}


.header {
    min-height: 70vh; /*viewprt height*/
    width: 100%;
    background-image: linear-gradient(rgba(4,9,3,0.7), rgba(4,9,3,0.7)), url(../images/background_main.jpg);
    background-position: center;
    background-size: cover;
    position: relative;
    opacity: 95%;
}

nav {
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: center;
}

nav img {
    width: 150px;
}

.nav-links {
    flex: 1;
    text-align: right;
}

.nav-links ul li{
    list-style: none;
    display: inline-block;
    padding: 8px 12px;
    position: relative;
}

.nav-links ul li a {
    color: white;
    text-decoration: none;
    font-size: 12px;
}

.nav-links ul li::after {
    content: '';
    width: 0%;
    height: 2px;
    background: yellow;
    display: block;
    margin: auto;
    transition: 0.5s;
}

.nav-links ul li:hover::after {
   width: 100%;
}

.text-box {
    width: 90%;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.text-box h1 {
    font-size: 62px;
}

.text-box p {
    margin: 10px 0 40px; /*10 from top, 0 from left and right 40 from bottom */
    font-size: 14px;
    color: white;
}

.hero-btn {
    display: inline-block;
    text-decoration: none;
    color: white;
    border: 1px solid white;
    padding: 12px 34px;
    font-size: 13px;
    background: transparent;
    position: relative;
    cursor: pointer;
}
    
.hero-btn:hover {
    border: 1px solid red;
    background: red;
    transition: 0.5s;

}

nav .fa {
    display: none;
}

.creative{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 30px;
}

h1{
    font-size: 36px;
    font-weight: 600;
}

p{
    color: #777;
    font-size: 14px;
    font-weight: 300;   
     line-height: 22px;
     padding: 10px;
}

.row {
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}
.row a{
    text-decoration: none;
}
.row a:visited{
    color: black;
}

.creative-col {
    flex-basis: 31%;
    background: #fff3f3;
    border-radius: 10px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
}

h3 {
    text-align: center;
    font-weight: 600;
    margin: 10px 0;
}

.creative-col:hover {
    box-shadow: 0 0 20px 0px rgba(4,9,3,0.2)
}

.revision {
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 50px;
}
.revision-col {
    flex-basis: 31%;
    background: lightblue;
    border-radius: 10px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
}
.revision-col:hover {
    box-shadow: 0 0 20px 0px rgba(4,9,3,0.5)
}

/*----------Call to action----------*/
.cta {
    margin: 100px auto;
    width: 80%;
    background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url(../images/banner.png);
    background-position: center;
    background-size: cover;
    border-radius: 10px;
    text-align: center;
    padding: 100px 0;
}
.cta h1 {
    color: white;
    margin-bottom: 40px;
    padding: 0;
}

@media(max-width: 700px){
    .cta h1{
    font-size: 24px;
}
}

/*----------Footer----------*/
.footer {
    width: 100%;
    text-align: center;
    padding: auto;
    margin-bottom: 20px;
}
.footer h4{
   margin-bottom: 25px;
   margin-top: 0px;
   font-weight: 600;
}
i {
  display: inline-block;
  margin-right: 1em;
}

@media(max-width: 700px){
.text-box h1{
    font-size: 20px;
}
.nav-links ul li{
    display: block;
}
.nav-links{
position: fixed;
background: #f44336;
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;
    }
}