@import "partials/variables.css";
@import "about.css";
@import "partials/header.css";
@import "partials/footer.css";
@import "partials/promo.css";
@import "partials/services.css";
@import "partials/price.css";
@import "partials/process.css";
@import "partials/create.css";
@import "partials/our-tech.css";
@import "partials/contact-form.css";
@import "partials/contacts.css";
@import "partials/blog.css";
@import "partials/edu.css";

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    /*background: #f6f7f9;*/
    background-color: #E5E5E5;
    font-family: 'Montserrat', sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100vh;
    color: var(--main-blue-color);
}

ul {
    padding: 0;
}

a {
    text-decoration: none;
}

.title-center {
    text-align: center;
}

.upper {
    text-transform: uppercase;
}

.margin-t-10 {
    margin-top: 10px;
}

.margin-t-30 {
    margin-top: 30px;
}

.margin-t-50 {
    margin-top: 50px;
}

.margin-b-30 {
    margin-bottom: 30px;
}

.margin-b-50 {
    margin-bottom: 50px;
}

.db {
    display: block;
}

.b-center {
    margin: 0 auto;
}

.br-10 {
    border-radius: 10px;
}
.img-w-100 {
    max-width: 100%;
}

.bgr-clr-b {
    background-color: #C7EEFF;
}

.bgr-clr-y {
    background-color: #FFE38E;
}

.bgr-clr-p {
    background-color: #DDDDFF;
}

.bgr-clr-g {
    background-color: #B8EFCF;
}

.bgr-clr-pn {
    background-color: #FFEEF6;
}

.bgr-clr-o {
    background-color: #FFCE94;
}

main {
    flex-grow: 1;
}

.main-nav {
    margin-top: 40px;
}

.second-nav {
    background-color: var(--main-gold-color);
}

/*.nav-item-pd {*/
/*    padding: 0.1rem 0;*/
/*}*/

@media screen and (max-width: 576px){
    .nav-link-pd {
        padding: 0.1rem 0.5rem;
    }
}

.navbar-nav .nav-link.active, .navbar-nav .show>.nav-link {
    color: var(--main-gold-color);
    border-bottom: 2px solid var(--main-gold-color);
}

.navbar-nav .nav-link:hover {
    color: var(--main-gold-color);
    transition: all 0.3s;
}

.dropdown-item.active, .dropdown-item:active {
    color: var(--main-gold-color);
    background-color: var(--main-blue-color);
}

.dropdown-item:hover {
    color: white;
    background-color: var(--main-gold-color);
    /*background-color: rgb(0, 9, 60);*/
    transition: all 0.3s;
}


.btn {
    display: inline-block;
    background-color: var(--main-gold-color);
    border-radius: 0;
    border: none;
    color: #fff;
    padding: 12px 28px;
    font-weight: bold;
    box-shadow: 1px 3px 5px 3px rgba(71,47,17,0.75);
    /*margin-top: 20px;*/
}

.btn:hover {
    cursor: pointer;
    color: var(--main-gold-color);
    background-color: var(--main-blue-color);
    transform: scale(1.05);
    transition: 0.7s all;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    /*outline: 1px solid yellow;*/
}

.categories-block {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    li {
        list-style: none;
    }
}

.tags-block {
    display: flex;
    justify-content: start;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    li {
        list-style: none;
    }
}

.tag-block {
    display: block;
    text-decoration: none;
    color: black;
    padding: 10px;
    /*margin: 10px;*/
    background-color: white;
    border-radius: 5px;
    font-weight: bold;
    box-shadow: 1px 1px 2px 1px rgba(39, 170, 225, .9),  -1px -1px 2px 1px rgba(247, 148, 29, 0.5);
}

.tag-block:hover {
    box-shadow: 2px 2px 5px 2px rgba(39, 170, 225, .9),  -2px -2px 5px 2px rgba(247, 148, 29, 0.5);
}

.code {
    border-radius: 5px;
    padding: 10px;
    background-color: aliceblue;
}

/*------------MAIN--------------*/

main {
    /*background: linear-gradient(90deg, #FBF3FF, #FBF3FF, #FBC8FF, #B89AFD, #B89AFD);*/
}

#toTopBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: none;           /* скрыта по умолчанию */
    padding: 0.5em 0.7em;
    font-size: 1.5rem;
    border: none;
    border-radius: 4px;
    background-color: var(--main-gold-color);
    color: #fff;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    z-index: 1000;
}

#toTopBtn.show {
    display: block;
    opacity: 0.7;
}

#toTopBtn:hover {
    opacity: 1;
}