a {
    text-decoration: none;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.container {
    padding-left: 15px;
    padding-right: 15px;
    margin-left: auto;
    margin-right: auto;
}

.btn-up {
    background-color: var(--main-color-alt);
    color: white;
    padding: 6px;
    border: none;
    border-radius: 4px;
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    z-index: 10000;
    cursor: pointer;
}

/* Small */
@media (min-width: 768px) {
    .container {
        width: 750px;
    }
}

/* Medium */
@media (min-width: 992px) {
    .container {
        width: 970px;
    }
}

/* Large */
@media (min-width: 1200px) {
    .container {
        width: 1170px;
    }
}

/* Start Header */
.header {
    background-color: white;
    position: relative;
    -webkit-box-shadow: 0 0 10px #ddd;
    -moz-box-shadow: 0 0 10px #ddd;
    box-shadow: 0 0 10px #ddd;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
}

.header .logo {
    color: var(--main-color);
    font-size: 26px;
    font-weight: bold;
    height: 72px;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (max-width: 767px) {
    .header .logo {
        width: 100%;
        height: 50px;
    }
}

.header .main-nav {
    display: flex;
}

@media (max-width: 767px) {
    .header .main-nav {
        margin: auto;
    }
}

.header .main-nav>li:hover .mega-menu {
    opacity: 1;
    z-index: 100;
    top: calc(100% + 1px);
}

.header .main-nav>li>a {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 72px;
    position: relative;
    color: black;
    padding: 0 30px;
    overflow: hidden;
    font-size: 18px;
    transition: var(--main-transition);
}

@media (max-width: 767px) {
    .header .main-nav>li>a {
        padding: 10px;
        font-size: 14px;
        height: 40px;
    }
}

.header .main-nav>li>a::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 4px;
    background-color: var(--main-color);
    top: 0;
    left: -100%;
    transition: var(--main-transition);
}

.header .main-nav>li>a:hover {
    color: var(--main-color);
    background-color: #fafafa;
}

.header .main-nav>li>a:hover::before {
    left: 0;
}

.header .mega-menu {
    position: absolute;
    width: 100%;
    left: 0;
    padding: 30px;
    background-color: white;
    border-bottom: 3px solid var(--main-color);
    z-index: -1;
    display: flex;
    gap: 40px;
    top: calc(100% + 50px);
    opacity: 0;
    transition: top var(--main-transition), opacity var(--main-transition);
}

@media (max-width: 767px) {
    .header .mega-menu {
        flex-direction: column;
        gap: 0;
        padding: 5px;
    }
}

.header .mega-menu .image img {
    max-width: 100%;
}

@media (max-width: 991px) {
    .header .mega-menu .image {
        display: none;
    }
}

.header .mega-menu .links {
    min-width: 250px;
    flex: 1;
}

.header .mega-menu .links li {
    position: relative;
}

.header .mega-menu .links li:not(:last-child) {
    border-bottom: 1px solid #e9e6e6;
}

@media (max-width: 767px) {
    .header .mega-menu .links:first-of-type li:last-child {
        border-bottom: 1px solid #e9e6e6;
    }
}

.header .mega-menu .links li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background-color: #fafafa;
    z-index: -1;
    transition: var(--main-transition);
}

.header .mega-menu .links li:hover::before {
    width: 100%;
}

.header .mega-menu .links li a {
    color: var(--main-color);
    padding: 15px;
    display: block;
    font-size: 18px;
    font-weight: bold;
}

.header .mega-menu .links li a i {
    margin-right: 10px;
}

/* End Header */