:root {
    --bg-color-light: #fff;
    --bg-color-dark: #1e1e1e;
    --text-color-light: #424242;
    --text-color-light_second: rgba(66, 66, 66, 0.77);
    --text-color-dark: #e8e8e8;
    --text-color-dark_second: rgba(232, 232, 232, 0.75);
    --color_main: #30926f; /* Цвет фона под выбранной иконкой */
    --default-transition: all 0.3s ease-in-out;

    --button-one-light-hover: #265947;
    --button-one-dark-hover: #fcfcfc;

    --button-second-light-hover: #000;
    --button-second-dark-hover: #fcfcfc;

}

a {
    color: var(--color_main);
    text-decoration: underline;
    transition: all var(--default-transition);
}


a:hover {
    color: var(--button-one-light-hover);
    text-decoration: none;
    transition: all var(--default-transition);
}

.btn_one, .btn_one:active, .btn_one:focus {
    position: relative;
    display: inline-block;
    font-size: 17px;
    font-weight: 500;
    color: var(--text-color-dark) !important;
    background-color: var(--color_main) !important;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    overflow: hidden;
    z-index: 1;
    transition: color 0.3s ease;
    padding: 8px 40px;
}

.btn_one::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--button-one-light-hover);
    transition: left 0.5s ease;
    z-index: -1;
}

.btn_one:hover::before {
    left: 0;
}

.btn_one:hover {
    background-color: var(--color_main);
    color: #000;
}

.btn_one:hover {
    background-position: 210% 0;
    color: #fff; /* Èçìåíåíèå öâåòà òåêñòà ïðè íàâåäåíèè */
}

.btn_second, .btn_second:active, .btn_second:focus {
    position: relative;
    display: inline-block;
    font-size: 17px;
    font-weight: 500;
    color: var(--text-color-light) !important;
    background: transparent !important;
    border-radius: 10px;
    border: 1px solid var(--button-one-light-hover) !important;
    cursor: pointer;
    overflow: hidden;
    z-index: 1;
    transition: color 0.3s ease, border-color 0.3s ease;
    padding: 8px 40px;
}

.btn_second::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--button-one-light-hover);
    transition: left 0.5s ease;
    z-index: -1;
}

.btn_second:hover::before {
    left: 0;
}

.btn_second:hover {
    color: var(--text-color-dark) !important;
    border: 1px solid var(--button-one-light-hover) !important;
}

.btn_second:hover img {
    transition: 0.5s ease;
    filter: invert();
}

.social .btn_second, .social .btn_one {
    /*width: 50px;*/
    /*height: 50px;*/
    padding: 10px;
    display: flex;
    align-content: center;
    justify-content: center;
}


.social .btn_one img {
    filter: invert();
    max-height: 23px;
}

.social .btn_second img {
    transition: 0.5s ease;
    max-height: 23px;
}


.form-check-input:checked {
    background-color: var(--color_main);
    border-color: var(--color_main);
}

.form-check-input:focus {
    box-shadow: none;
}

body.main_page .container-fluid {
    padding: 120px 0;
}

body.main_page .container-fluid.line_main {
    padding: 200px 0;
    background: #edfff2;
}

body.main_page .container-fluid .container {
    margin: 0 auto;
    max-width: 720px;
}

body.main_page .container-fluid.line_price {
    background: antiquewhite;
}


body.main_page footer {
    padding: 20px;
    background: #ececec;
}


body.category_filters {
    background: var(--bg-color-dark);
    color: var(--text-color-dark);
}

body.category_filters .text-muted {
    color: var(--text-color-dark_second) !important;
}

body.category_filters .container-fluid {
    padding: 80px 0;
}

body.category_filters .container {
    margin: 0 auto;
    max-width: 600px;
}

body.category_filters form {
    background: #2d2d2d;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 60px;
}

body.category_filters form:last-child {
    margin-bottom: 0;
}

body.category_filters .btn_second {
    color: var(--text-color-dark) !important;
}


@media screen and (max-width: 768px) {
    body.category_filters .container-fluid {
        padding: 20px 0;
    }

    body.category_filters form {
        padding: 25px;
        margin-bottom: 35px;
    }

    body.category_filters .btn_second {
        margin-bottom: 20px;
    }

}