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

body {
    font-family: Arial, sans-serif;
    box-shadow: 0 0 4px 0 rgba(0, 0, 0, .2);
    max-width: 970px;
    margin: auto;
    padding: 0;
}

.container {
    max-width: 970px;
    width: 100%;
    margin: 0 auto;
    padding: 0 15px;
}

ul, ol, li {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

header {
    margin-bottom: 25px;
}

header .top_line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 15px 0;
}

header .top_line .heaedr_logo {
    max-width: 250px;
}

header .top_line .heaedr_logo img {
    width: 100%;
    height: auto;
}

header .top_line .header_contacts {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

header .top_line .header_contacts .header_tel {
    text-decoration: none;
    color: #000000;
}

header .top_line .header_contacts ul {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

#toast {
    border-width: 1px;
    border-style: inset;
    -webkit-box-shadow: 2px 2px 6px;
    box-shadow: 2px 2px 6px;
    background-color: #e3e3e3;
    padding-top: 11px;
    padding-right: 17px;
    padding-bottom: 11px;
    padding-left: 17px;
    border-radius: 7px;
    opacity: 1;
    position: fixed;
    top: 75%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 999999;
    width: max-content;
    max-width: 80%;
}

.navbar {
    background-color: #276D5C;
    border-radius: 5px;
}

.navbar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: white;
}

.navbar-nav li {
    width: calc(100% / 3);
    text-align: center;
    padding: 10px 15px;
}

.navbar-nav li a {
    text-transform: uppercase;
    text-decoration: none;
    color: #fff;
    border-radius: 5px;
}

.navbar-nav li:first-of-type {
    border-radius: 5px 0 0 5px;
}

.navbar-nav li:last-of-type {
    border-radius: 0 5px 5px 0;
}

.navbar-nav li:hover,
.navbar-nav li.active {
    background: #43aab6;
    border-color: #4cb6c2 #4797a0 #317b84 #5cb7c2;
    box-shadow: 0 0 10px 0 #317b84 inset;
    color: #fff;
}

.calculator {
    padding-bottom: 25px;
}

.calculator_section {
    margin-bottom: 20px;
    padding: 15px;
}

.calculator_section-row {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 20px;
}

.calculator_section-row .part_left {
    width: 65%;
    display: flex;
    flex-direction: column;
}

.calculator select, .calculator input {
    width: 250px;
    height: 40px;
    border-radius: 5px;
    padding: 0 5px;
    border: 1px solid #000;
    box-sizing: border-box;
}

.calculator label {
    margin-bottom: 10px;
}

.submit_btn {
    color: #fff;
    background-color: #276D5C;
    border-radius: 5px;
    padding: 10px 25px;
    border: 1px solid #000;
    cursor: pointer;
    margin: 0 auto;
    display: block;
    text-transform: uppercase;
}

.submit_btn:hover {
    background: #43aab6;
    border-color: #4cb6c2 #4797a0 #317b84 #5cb7c2;
    box-shadow: 0 0 10px 0 #317b84 inset;
}

.image_goods {
    height: 350px;
}

.image_goods img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.menu_cart label {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: red;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
}

.goods_list {
    font-size: 14px;
    line-height: 24px;
    margin-left: 15px;
}

.conditions_box {
    line-height: 24px;
    text-align: center;
    padding-bottom: 25px;
}

@media screen and (max-width: 539px) {
    header .top_line {
        flex-direction: column;
    }

    .calculator_section-row {
        flex-direction: column;
        align-items: center;
    }

    .calculator_section-row .part_left {
        width: 100%;
    }

    .calculator select, .calculator input {
        width: 100%;
    }
}