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

body {
    background:var(--brand-primary-light) ;
    color: var(--brand-primary-first);

}

html {

    scroll-behavior: smooth;
}

#home {
    width: 100%;
    height: 100vh;  
}

.container {
    padding: 10px 10%;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    
}

.logo {
    width: 140px;
    color: var(--brand-secondary);
    
}

.logo span {
    color: var(--brand-primary-first);
}

nav ul li {
    display: inline-block;
    list-style: none;
    margin: 10px 20px;
}

nav ul li a {
    color: var(--brand-primary-first);
    text-decoration: none;
    font-size: 18px;
    position:relative;
}

nav ul li a::after {
    content: '';
    width: 0;
    height: 3px;
    background: var(--brand-secondary);
    position:absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}

nav ul li a:hover::after {
    width: 100%;
}

.header-text {
    margin-top: 20%;
    font-size:30px;
}

.header-text h1 {
    
    font-size:60px;
    margin: 20px 0 50px;

}

.header-text h1 span {
    
   color:var(--brand-secondary);
}

.btn-download {
    
    width: fit-content;
    border: 1px solid var(--brand-primary-light);
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    background-color: var(--brand-secondary);
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.5s;
}

.btn-download:hover {
    background-color: var(--brand-primary-first);
}

/* -------------------------------------------------------About--------------------------------------------------------------- */

#about {
    padding: 80px 0;
    color: var(--brand-primary-first);
}

.row {

    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    
}

.row-about {
    background-color: var(--brand-primary-light);
    padding: 10px;
    border-radius: 15px;
}

.about-col-1 {
    flex-basis: 35%;
    
}

.about-col-1 img {
    width: 100%;
    height: 500px;
    border-radius: 15px;
    object-fit:contain;
    mix-blend-mode:darken;
}

.about-col-2 {
    flex-basis: 60%;
    width: 100%;
    
}

.sub-stitle {
    font-size: 60px;
    font-weight: 600;
    
}

.tab-titles {
    display: flex;
    margin: 20px 0 40px;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
}

.tab-links {
    
    margin-right: 45px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
}

.tab-links::after {
    content:'';
    width:0;
    height: 3px;
    background: var(--brand-secondary);
    position: absolute;
    left: 0;
    bottom: -8px;
    transition: 0.5s;
}

.tab-links.active-link::after {
    width: 50%;
}

.tab-contents ul li {
    list-style: none;
    margin: 10px 0;
}

.tab-contents ul li span {
    color: var(--brand-secondary);
    text-decoration: none;
    font-weight: bold;
    font-size: 15px;

}

.tab-contents li {
    white-space: normal;
}

.tab-contents {
    display: none;
    
}

.tab-contents.active-tab {
    display: block;
}

/* -------------------------------------------------------Services--------------------------------------------------------------- */

#services {

    padding: 30px 0;
}

.services-list {
    color: var(--text-color);
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    grid-gap:40px;
    margin-top: 50px;
}

.services-list div {
    background: var(--brand-primary-second);
    padding: 40px;
    font-size: 13px;
    font-weight: 300;
    border-radius: 10px;
    transition: background 0.5s, transform 0.5s;
}

.services-list div i {
    font-size: 50px;
    margin-bottom: 30px;
}

.services-list div h2 {
    font-size: 30px;
    font-weight: 500;
    margin-bottom: 15px;
}

.services-list div:hover {
    background: var(--brand-secondary);
    transform: translateY(-10px);
}

/* -------------------------------------------------------Portfolio--------------------------------------------------------------- */

#portfolio {
    padding: 50px 0;
}

.work-list {
    color: var(--text-color);
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    grid-gap:40px;
    margin-top: 50px;
}

.work {
    
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    
}

.work img {
    width: 100%;
    height: 20vh;
    border-radius: 10px;
    display: block;
    object-fit:cover;
    transition: transform 0.5s;
}

.layer {
    width: 100%;
    height: 0;
    background: linear-gradient(rgba(0,0,0,0.6),var(--brand-secondary));
    border-radius: 10px;
    position:absolute;
    left: 0;
    bottom: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 20px;
    text-align: center;
    font-size: 14px;
    transition: height 0.5s;
}

.layer h3 {
    font-weight:500;
    margin-bottom: 20px;
}

.layer a {
    margin-top: 20px;
    color: var(--brand-primary-first);
    text-decoration: none;
    font-size: 18px;
    line-height: 50px;
    background: var(--brand-primary-light);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    text-align: center;
}

.work:hover img {
    transform: scale(1.1);
}

.work:hover .layer {
    height: 100%;
}

.btn {
    
    width: fit-content;
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.5s;
    cursor: pointer;
}

/* -------------------------------------------------------Contact--------------------------------------------------------------- */

.contact-left {
    flex-basis: 35%;
}

.contact-right {
    flex-basis: 60%;
}

.contact-left p {
    margin-top: 30px;
}

.contact-left p i {

    color: var(--brand-secondary);
    margin-right: 15px;
    font-size: 25px;
}

.social-icons {
    margin-top: 30px;
}

.social-icons a {
    text-decoration: none;
    font-size: 30px;
    margin-right: 15px;
    color: var(--brand-primary-first);
    display: inline-block;
}

.social-icons a:hover {
    color: var(--brand-secondary);
    transform: translateY(-5px);
}

.contact-right form {

    width: 100%;
}

form input, form textarea {
    width: 100%;
    border: 0;
    outline: none;
    background-color: white;
    border: 1px solid var(--brand-primary-light);
    color: var(--brand-primary-first);
    padding: 15px;
    margin: 15px 0;
    font-size: 18px;
    border-radius: 6px;
    transition: background 0.5s;

}

form input:hover, form textarea:hover {

    background-color: #EEF7FF;
}

form input::placeholder, form textarea::placeholder {

    color: gray;
    font-style: italic;

}

form .btn-submit-form {

    display: inline-block;
    padding: 14px 60px;
    border: 1px solid var(--brand-primary-light);
    font-size: 18px;
    margin-top: 20px;
    background-color: #3FA2F6;
    color: var(--text-color);
    /* transition: background 0.5s; */

}

/* form .btn-submit-form:hover {

    background-color: var(--brand-secondary);
    

} */

#submitMessage {
    width: fit-content;
    border-radius: 3px;
    padding: 5px;
    margin-top: 5px;
    display: block;

}

.success-msg {
    color: var(--text-success);
}

.error-msg {
    color: var(--text-error);
}

.copy-right {
    width: 100%;
    text-align: center;
    padding: 25px 0;
    background: var(--brand-primary-second);
    color: var(--text-color);
    font-weight: 300;
    margin-top: 20px;
}

nav .fas {
    display: none;
}

#phoneNumber {
    color: inherit;
    text-decoration: none;
}

/* ------------------responsive design for small screens---------------------------------------------- */
@media (min-width: 901px) and (max-width: 1200px) {

    .about-col-1 {
        flex-basis: 45%;
        
    }

    .about-col-1 img {
        height: 550px;
        
    }

    .about-col-2 {
        flex-basis: 50%;
    }

    .tab-links{
        margin-right: 25px;
    }
}

@media (min-width: 701px) and (max-width: 900px) {

    .about-col-1 {
        flex-basis: 45%;
        
    }

    .about-col-1 img {
        height: 550px;
        
        
    }

    .about-col-2 {
        flex-basis: 50%;
    }


    nav ul li {
        
        margin: 10px 10px;
    }

    .logo {
        width: 100px;
        font-size: 19px;
    }

    .tab-links{
        margin-right: 15px;
    }

}

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

    .header-text {
        margin-top:100%;
        font-size:16px;
    }

    .header-text h1 {
        font-size: 30px;
    }

    nav .fas {
        display: block;
        font-size: 25px;
    }

    #sideMenu {

        color: var(--text-color);
    }
   
    nav ul{
        
        background: linear-gradient(rgba(0,0,0,0.6),var(--brand-primary-light));
        position: fixed;
        top: 0;
        right: -200px;
        width: 200px;
        height: 100vh;
        padding-top: 50px;
        z-index: 2;
        transition: right 0.5s;
    }

    nav ul li {
        display:block ;
        margin: 25px;
    }

    nav ul li a {

        color: var(--text-color);
    }

    nav ul .fas {
        position: absolute;
        top: 25px;
        left: 25px;
        cursor: pointer;
    }

    .sub-stitle {
        font-size: 40px;
    }

    .about-col-1, .about-col-2 {
        flex-basis: 100%;
    }

    .about-col-1 {
        margin-bottom: 30px;
    }

    .about-col-1 img {

        height: 400px;
    }

    .about-col-2 {
        font-size: 14px;
    }

    .about-col-2 p {
        margin-top: 10px;
        
    }

    .tab-links {
        font-size: 16px;
        margin-right: 20px;
    }


    .contact-left, .contact-right {

        flex-basis: 100%;
    }

    .copy-right {
        font-size: 14px;
    }

    
}