:root {
    --bg-brand: rgb(238, 226, 226);
    --bg-brand-30: rgb(238, 226, 226);
    --color-brand: #767a8f;
    --color-brand-hover: #555868;
    --color-black: #000000;
    --color-white: #ffffff;
    --color-brand-second: #ff8562;
}

* {
    font-family: calibri, Arial, sans-serif;
}

a {
    color: var(--color-black);
    text-decoration: none;
    transition: ease .2s color;
}

.text-brand {
    color: var(--color-brand);
}

.text-brand-second {
    color: var(--color-brand-second);
}

.bg-brand {
    background-color: var(--bg-brand-30);
    box-shadow: rgba(0, 0, 0, 0.2) 0px 1px 3px;
}

.bg-brand-30 {
    background-color: var(--bg-brand-30);
}

.pt-10 {
    padding-top: 6rem !important;
}

.mt-10 {
    padding-top: 6rem !important;
}

.mb-10 {
    margin-bottom: 6rem !important;
}

.border {
    border: 2px solid var(--color-black) !important;
}

.hr-between-blocks {
    height: 60px;
    background-color: var(--bg-brand);
    border: none;
}

.small, small {
    font-size: .600em;
}

.fs-7 {
    font-size: .8rem;
}

/* ============================================ */

#logo img {
    max-height: 40px;
}

header {
    max-height: 72px;
    z-index: 1001;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-brand);
    backdrop-filter: blur(15px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    padding-top: 80px;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 25px;
    text-align: center;
    margin-top: -40px;
}

.burger-btn {
    background: none;
    border: none;
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0;
    z-index: 1002;
}

.burger-btn span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--color-black);
    border-radius: 2px;
    transition: 0.3s;
}

.burger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
    background: var(--color-black);
}

.burger-btn.active span:nth-child(2) {
    opacity: 0;
}

.burger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
    background: var(--color-black);
}

/* ============================================ */

#main-screen {
    padding-top: 72px;
}

#main-screen .position-absolute {
    bottom: 10%;
    right: 10%;
}

/* ============================================ */

.swiper-button-next,
.swiper-button-prev {
    background-color: var(--bg-brand);
    width: 30px !important;
    height: 30px !important;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.swiper-button-next {
    right: 20px !important;
}

.swiper-button-prev {
    left: 20px !important;
}

.swiper-button-next svg,
.swiper-button-prev svg {
    width: 15px !important;
    height: 15px !important;
    fill: var(--color-black) !important;
}

.swiper-button-next svg path,
.swiper-button-prev svg path {
    fill: var(--color-black) !important;
}

/* ============================================ */

.text-content {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: all 0.3s ease;
}

.text-content.is-expanded {
    -webkit-line-clamp: unset;
    display: block;
}

.read-more-btn {
    text-align: left;
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-top: 10px;
    font-weight: bold;
}

/* ============================================ */

.modal-header {
    border-bottom: none;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.modal-content {
    border-radius: 0;
}

/* ============================================ */

a:hover {
    color: var(--color-brand-hover);
}

/* ============================================ */

.alert-block {
    margin: 20px;
    position: absolute;
    right: 0;
    top: 0;
}

.us-alert {
    width: 300px;
    background: #fff;
    float: right;
    border: none;
    border-radius: 1px;
    box-shadow: 0px 2px 20px rgba(0, 0, 0, 0.55);
    padding: 0;
    margin-bottom: 20px;
}

.us-alert-success {
    background: #0067a4;
}

.us-alert-danger {
    background: #eb5757;
}

.us-alert-warning {
    background: #ff9e2d;
}

.us-alert-primary {
    background: #50a8ff;
}

.us-alert-icon i {
    width: 60px;
    font-size: 20px;
    color: #fff;
    text-align: center;
}

.us-alert-text {
    min-width: 240px;
    color: #666;
    font-size: 12px;
    padding: 15px;
    background: #fff;
}

.us-alert-text a {
    color: #50a8ff;
    font-size: 12px;
    text-decoration: underline;
}

.us-alert-text a:hover {
    text-decoration: none;
}

.us-alert .us-alert-text {
    line-height: 17px;
}

.us-alert-text-item:not(:last-child) {
    margin-bottom: 10px;
}

/* ============================================ */

.feedback-link {
    width: 50px;
    height: 50px;
    transition: all 0.2s ease-in-out;
}

.feedback-link:hover {
    transform: scale(1.1);
}

.main-contact-btn {
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.main-contact-btn[aria-expanded="true"] {
    transform: rotate(135deg);
    background-color: var(--color-brand-second) !important;
    border-color: var(--color-brand-second) !important;
}

.main-contact-btn {
    animation: pulse 2s infinite;
}
.main-contact-btn[aria-expanded="true"] {
    animation: none;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0px rgba(13, 110, 253, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(13, 110, 253, 0); }
    100% { box-shadow: 0 0 0 0px rgba(13, 110, 253, 0); }
}

#backToTop:hover {
    opacity: 1 !important;
    background-color: #000;
}

/* ============================================ */

#get-catalog {
    animation: radial-pulse 1s infinite;
}

@keyframes radial-pulse {
    0% {
        box-shadow: 0 0 0 0px #e1223188;
    }
    100% {
        box-shadow: 0 0 0 15px #e1223100;
    }
}