*{
    box-sizing: 0px;
    font-family: "roboto", serif;
    scroll-behavior: smooth;
}

/* Root */
:root {
    --primary-color: #1A2DBC;
    --secondary-color: #0066FF;
    --tertiary-color: #badafb;
    --heading: #000;
    --deafult-color: #fff;
}

::-webkit-scrollbar {
    display: none;
}

/* navbar */
.navbar {
    background: linear-gradient(#1A2DBC,#0066FF);
    color: var(--heading);
    position: sticky;
    top: 0px;
    z-index: 10;
}
.nav-item {
    color: var(--deafult-color);
    transition: 1s;
}
.navbar-light .navbar-nav .nav-link {
    margin-right: 30px;
    padding: 25px 0;
    font-size: 16px;
    text-transform: uppercase;
    outline: none;
}

@media (max-width: 991.98px) {
    .navbar-light .navbar-nav .nav-link {
        margin-right: 0;
        padding: 10px 0;
    }

    .navbar-light .navbar-nav {
        border-top: 1px solid #EEEEEE;
    }
}


@media (min-width: 992px) {
    .navbar .nav-item .dropdown-menu {
        display: block;
        border: none;
        margin-top: 0;
        top: 150%;
        opacity: 0;
        visibility: hidden;
        transition: .5s;
    }

    .navbar .nav-item:hover .dropdown-menu {
        top: 100%;
        visibility: visible;
        transition: .5s;
        opacity: 1;
    }
}

.update-btn-a {
    text-decoration: none;
}

.dropdown-menu {
    border-radius: 0px;
    background: linear-gradient(#0066FF,#1A2DBC);
}

.dropdown-item {
    color: var(--deafult-color);
}

.dropdown-item:hover {
    color: var(--contrast-color);
}
.navbar-toggler {
    background-color: var(--deafult-color);
}

/* update button  */
.btn-23,
.btn-23 *,
.btn-23 :after,
.btn-23 :before,
.btn-23:after,
.btn-23:before {
    border: 0 solid;
    box-sizing: border-box;
}

.btn-23 {
    /* background-color: var(--contrast-color); */
    background-color: #fff;
    /* color: var(--deafult-color); */
    color: #1A2DBC;
    cursor: pointer;
    text-transform: uppercase;
}

.btn-23 svg {
    display: block;
}

.btn-23 {
    border-radius: 5px;
    overflow: hidden;
    padding: 10px 30px;
    position: relative;
}

.btn-23 span {
    display: grid;
    inset: 0;
    place-items: center;
    position: absolute;
    transition: opacity 0.2s ease;
}

.btn-23 .marquee {
    --spacing: 5em;
    --start: 0em;
    --end: 5em;
    animation: marquee 1s linear infinite;
    opacity: 0;
    position: relative;
    text-shadow: #1A2DBC var(--spacing) 0, #1A2DBC calc(var(--spacing) * -1) 0,
        #1A2DBC calc(var(--spacing) * -2) 0;
}

.btn-23:hover .marquee {
    opacity: 1;
}

.btn-23:hover .text {
    opacity: 0;
}

@keyframes marquee {
    0% {
        transform: translateX(var(--start));
    }

    to {
        transform: translateX(var(--end));
    }
}

/* top-button */
.top-btn {
    position: fixed;
    right: 3%;
    bottom: 8%;
    z-index: 1000000;
    border: none;
    padding: 10px 15px;
    border-radius: 15%;
    color: #b9c1f7;
}

.update-btn {
    display: none;
}

@media (max-width: 992px) {
    .update-btn {
        display: block;
        position: fixed;
        right: 5%;
        bottom: 25%;
        color: #b9c1f7;
        z-index: 100000;
    }

}

@media (max-width: 592px) {
    .update-btn {
        right: 6%;
    }

}

@media (max-width: 380px) {
    .update-btn {
        right: 8%;
    }

}

/* Gallery */
.gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    filter: grayscale(100%);
    transition: 1s;
}

.gallery img:hover {
    filter: none;
    transform: scale(.9);
}
.gallery-btn{
    background-color: var(--primary-color);
    color: var(--deafult-color);
    border: none;
    border: 1px solid;
    padding: 8px 12px;
    border-radius: 5px;
    transition: 1s;
}
.gallery-btn:hover{
    letter-spacing: 5px;
}

/* Footer */
.footer{
    background: linear-gradient(#0066FF,#1A2DBC);
}
.footer-box {
    height: 25vh;
}
.footer-box-social{
    height: 20vh;
    
}
.footer-box-social a{
    color: var(--deafult-color);
    transition: 1s; 
}
.footer-box-social a:hover{
    color: var(--contrast-color);
}
.footer-box-social i{
    cursor: pointer;
}
.footer-btn{
    border: none;
    padding: 8px 12px;
    border-radius: 5px;
    background-color: var(--deafult-color);
    color: var(--primary-color);
    transition: 0.5s;
}
.footer-btn:hover{
    letter-spacing: 3px;
}
.footer-logo{
    cursor: pointer;
}
.footer-links{
    height: 15vh;     
}
.links-box{
    width: 40%;
}
@media (max-width: 768px) {
    .links-box{
        width: 60%;
    }
}
@media (max-width: 558px) {
    .links-box{
        width: 70%;
    }
}
@media (max-width: 380px) {
    .links-box{
        width: 80%;
    }
}
@media (max-width: 290px) {
    .links-box{
        width: 90%;
    }
}
@media (max-width: 260px) {
    .links-box{
        width: 100%;
    }
}
.links-box a{
    color: var(--deafult-color);
    text-decoration: none;
    transition: 1s;
}
.links-box a:hover{
    text-decoration: underline;
}
.footer-copy a {
    transition: 1s;
}
.footer-copy a:hover{
    text-decoration: none;
}
.footer-border{
    border: 1px solid;
}