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

html {
    scroll-behavior: smooth;
}

body {
    background: #000000; /* Changed to black */
    color: #ffffff; /* Changed to white */
    animation: backgroundMove 30s linear infinite; /* Added animation for moving background */
}

@keyframes backgroundMove {
    0% {
        background-position: 0 0; /* Start position */
    }
    100% {
        background-position: 100% 0; /* End position */
    }
}

#header {
    width: 100%;
    height: 100vh;
    background-image: url(tt.png);
    background-size: cover;
    background-position: center;
    animation: backgroundMove 50s linear infinite; /* Added animation for header background */
}

.container {
    padding: 10px 10%;
}

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

.logo {
    width: 140px;
}

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

nav ul li a {
    color: #ffffff; /* Changed to white */
    text-decoration: none;
    font-size: 18px;
    position: relative;
}

nav ul li a::after {
    content: "";
    width: 0%;
    height: 3px;
    background: #00aef3;
    position: absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}

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

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

.header-test h1 {
    font-size: 60px;
    margin-top: 20px;
}

@keyframes colorChange {
    0%, 100% { color: white; }  /* Stays white throughout the animation */
}

.header-test h1 span {
    animation: colorChange 30s linear infinite;
}




/*---------about-------------*/
#about {
    padding: 80px 0;
    color: #ababab; /* You can change this if needed */
}

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

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

.about-col-1 img {
    width: 100%;
    border-radius: 15px;
}

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

.sub-title {
    font-size: 60px;
    font-weight: 600;
    color: #ffffff; /* Changed to white */
}

.tab-title {
    display: flex;
    margin: 20px 0 40px;
}

.tab-links {
    margin-right: 50px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
}

.tab-links::after {
    content: "";
    width: 0;
    height: 3px;
    background: #0f7cd4;
    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: #0f7cd4;
    font-size: 14px;
}

.tab-contents {
    display: none;
}

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

/*---------services-------------*/

#services {
    padding: 30px 0;
}

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

.services-list div {
    background: #050125;
    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;
    color: #ffffff; /* Changed to white */
}

.services-list div a {
    text-decoration: none;
    color: #ffffff; /* Changed to white */
    font-size: 12px;
    margin-top: 20px;
    display: inline-block;
}

.services-list div:hover {
    background: #0f7cd4; 
    transform: translateY(-10px);
}

/*---------portfolio-------------*/

#portfolio {
    padding: 50px 0;
}

.work-list {
    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%;
    border-radius: 10px;
    display: block;
    transition: transform 0.5s;
}

.layer {
    width: 100%;
    height: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.6), #0f7cd4);
    border-radius: 10px;
    position: absolute;
    left: 0;
    bottom: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    font-size: 14px;
    transition: height 0.5s;
}

.layer h3 {
    font-weight: 500;
    margin-bottom: 20px;
    color: #ffffff; /* Changed to white */
}

.layer a {
    margin-top: 20px;
    color: #0b99eb;
    text-decoration: none;
    font-size: 18px;
    line-height: 60px;
    background: #000000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
}

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

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

.btn {
    display: block;
    margin: 50px auto;
    width: fit-content;
    border: 1px solid #0f7cd4;
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    color: #ffffff; /* Changed to white */
    transition: background 0.5s;
}

.btn:hover {
    background: #0f7cd4;
}

/*---------contact form-------------*/

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

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

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

.contact-left p i {
    color: #0f7cd4;
    margin-right: 15px;
    font-size: 25px;
}

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

.social-icons a {
    text-decoration: none;
    font-size: 30px;
    margin-right: 15px;
    color: #ababab;
    display: inline-block;
    transition: transform 0.5s;
}

.social-icons a:hover {
    color: #0f7cd4;
    transform: translateY(-5px);
}

.btn.btn2 {
    display: inline-block;
    background: #0f7cd4;
}

.contact-right form {
    width: 100%;
}

form input, form textarea {
    width: 100%;
    border: 0;
    outline: none;
    background: #262626;
    padding: 15px;
    margin: 15px 0;
    color: #b3b3b3;
    font-size: 18px;
    border-radius: 6px;
}

form .btn2 {
    padding: 14px 60px;
    font-size: 18px;
    margin-top: 20px;
    cursor: pointer;
}

.copyright {
    width: 100%;
    text-align: center;
    padding: 25px 0;
    background: #262626;
    font-weight: 300;
    margin-top: 20px;
}

.copyright i {
    color: #0f7cd4;
}

nav .fas {
    display: none;
}

/*---------for small screen-------------*/

@media only screen and (max-width: 600px) {
    #header {
        background-image: url(tt.png);
    }

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

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

    .tab-title {
        flex-direction: column;
    }

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

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

    .contact-left {
        flex-basis: 100%;
    }

    .contact-right {
        flex-basis: 100%;
    }

}