* {
    margin: 0;
    padding: 0;
    outline: none;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --transition: .2s;
    --accent-color: #fa6400;
    --primary-color: #fa6400;
    --box-shadow: 0px 5px 20px 0px rgb(200 200 200 / 40%);
    --svg-button-color: #969696;
    --active-button-scale: .96;
    --border-radius: 40px;
    --footer-color: rgb(252, 206, 61);
    --footer-hover-color: #fa6400;
}

a {
    text-decoration: none;
}

html,
body {
    scrollbar-gutter: stable;
}

header {
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    width: 100%;
    backdrop-filter: blur(24px);
    background-color: rgba(240, 240, 240, 0.6);
}

.hidden-top-bar {
    position: fixed;
    background: rgb(222, 222, 222);
    bottom: 100%;
    z-index: 10;
    width: 100%;
    transition: var(--transition);
}

.hidden-top-bar.open {
    bottom: 0;
}

.hidden-top-bar ul {
    padding-block: 10px;
}

.hidden-top-bar ul li a {
    color: black;
    display: block;
    padding: 10px 20px;
    transition: var(--transition);
}

.hidden-top-bar ul li a:active {
    color: var(--accent-color);
}

.open-menu-button {
    background: transparent;
    border: none;
    width: 30px;
    aspect-ratio: 1 / 1;
}

.open-menu-button img {
    width: 100%;
    height: 100%;
}

header .tm img {
    width: 200px;
}

header .content {
    width: 100%;
    padding: 10px;
    max-width: 1440px;
    margin-inline: auto;
    display: flex;
    justify-content: space-between;
}

header nav {
    display: flex;
    align-items: center;
}

header nav ul {
    display: flex;
    gap: 20px;
    flex-wrap: nowrap;
    padding-inline: 20px;
    flex-direction: row;
    list-style-type: none;
}

header nav ul li a {
    position: relative;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    color: black;
    transition: var(--transition);
}

header nav ul li a:hover,
header nav ul li a.active {
    color: var(--accent-color);
}

header nav ul li a:before {
    content: '';
    top: 100%;
    width: 0%;
    left: 50%;
    translate: -50% 0;
    position: absolute;
    height: 1px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

header nav ul li a:hover:before {
    width: 100%;
}

.logo a {
    justify-content: center;
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 32px;
    width: max-content;
    color: black;
}

.logo img {
    width: 50px;
}

.container {
    width: 100%;
    max-width: 1224px;
    margin-inline: auto;
}

section {
    padding: 10px;
    width: 100%;
    max-width: 1224px;
    margin-inline: auto;
    margin-top: 80px;
}

.card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1140px;
    margin-inline: auto;
}

.card .text {
    padding-top: 50px;
    text-wrap: balance;
}


.card .text p {
    font-size: 18px;
    text-align: justify;
    margin-bottom: 24px;
}

.vertical-card {
    display: grid;
    grid-template-rows: 0fr 0fr;
    gap: 20px;
    max-width: 1024px;
    margin-inline: auto;
}

.vertical-card img,
.card img {
    width: 100%;
    max-height: 500px;
    margin-left: auto;
    object-fit: cover;
    aspect-ratio: 1 / 1;
    margin-bottom: auto;
    border-radius: var(--border-radius);
}

.vertical-card .text {
    margin-bottom: auto;
}

.card .text h2 {
    font-size: 50px;
    font-weight: 400;
    text-align: center;
    margin-bottom: 20px;
}

h2.temp {
    font-size: 50px;
    font-weight: 400;
    text-align: center;
    margin-block: 100px;
}

button.temp {
    border: none;
    font-size: 18px;
    font-weight: bold;
    padding: 20px 30px;
    cursor: pointer;
    color: white;
    display: block;
    margin-inline: auto;
    border-radius: var(--border-radius);
    background-color: var(--accent-color);
    transition: var(--transition);
}

button.temp:active {
    scale: .95;
}

footer {
    margin-top: 50px;
    padding: 20px;
    background-color: var(--footer-color);
}

footer .header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding-bottom: 20px;
}

footer .header.tm {
    width: 100%;
    justify-content: flex-start
}

footer .header.tm img {
    width: 200px;
    height: auto;
}

footer img {
    height: 80px;
}

footer h2 {
    font-size: 48px;
    font-weight: 400;
}

footer .content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

footer .content h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 20px;
}

footer .content ul {
    list-style-type: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    color: #454545;
}

footer .content ul li a {
    color: #454545;
    transition: var(--transition);
}

footer .content ul li a:hover {
    color: var(--footer-hover-color);
}

footer .copyright {
    color: #6d7885;
    margin-top: 20px;
    display: flex;
    justify-content: flex-end;
}

h1,
.h1 {
    text-align: center;
    margin-bottom: 50px;
    margin-inline: 10px;
    font-size: 40px;
    font-weight: 400;
    text-wrap: balance;
}

/* CONTACTS */

.contacts h1 {
    font-size: 24px;
}

form {
    display: flex;
    width: 300px;
    margin-inline: auto;
    flex-direction: column;
    gap: 20px;
}

form>div {
    position: relative;
    display: flex;
    flex-direction: column;
}

form>div:has(input:valid, input:user-valid, input:focus) label {
    top: 0%;
    left: 10px;
    scale: 0.8;
}

form label {
    pointer-events: none;
    position: absolute;
    top: 50%;
    left: 14px;
    translate: 0 -50%;
    background-color: white;
    border-radius: 10px;
    padding: 4px;
    transition: var(--transition);
}

form input[type="text"] {
    border-radius: 10px;
    font-size: 18px;
    padding: 10px 14px;
    transition: .2s;
    border: none;
    box-shadow: inset 0 0 0 1px rgb(128 128 128 / 40%);
}

form input[type="text"]:hover,
form input[type="text"]:valid {
    box-shadow: inset 0 0 0 1px var(--accent-color);
}

form input[type="text"]:focus {
    box-shadow: inset 0 0 0 2px var(--accent-color);
}

form button {
    border-radius: 10px;
    border: none;
    font-size: 18px;
    padding: 10px;
    cursor: pointer;
    transition: .2s;
    color: white;
    background-color: var(--accent-color);
}

form button:active {
    scale: .96;
}





.accent-section {
    display: flex;
    justify-content: space-evenly;
    padding-block: 200px;
    position: relative;
}

.accent-section .item {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    color: white;
}

.item .company {
    font-size: 5rem;
    font-weight: 400;
    margin: 0;
}

.item .slogan {
    font-size: 1.5rem;
    font-weight: 300;
}

.item button {
    border: none;
    padding: 12px 50px;
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 8px;
    width: fit-content;
    color: white;
    background: var(--accent-color);
    transition: var(--transition);
}

.item button:active {
    scale: var(--active-button-scale);
}

.accent-section img {
    height: 300px;
    animation: ds 1s forwards;
}

@keyframes ds {
    to {
        filter: drop-shadow(0 0 40px white);
    }
}

div.back {
    background-color: black;
}



/* AUTO */


.route-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.route-card {
    border-radius: 30px;
    display: flex;
    overflow: hidden;
    flex-direction: column;
    gap: 20px;
    cursor: pointer;
    padding: 10px;
    transition: var(--transition);
}

.route-card:hover,
.route-card:active {
    background-color: #dddddd;
}

.route-card:hover button,
.route-card:active button {
    color: white;
    background-color: var(--accent-color);
}

.route-card:active {
    scale: var(--active-button-scale);
}

.route-map {
    overflow: hidden;
    width: 100%;
    aspect-ratio: 6/4;
    border-radius: 20px;
}

.route-map img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.route-name {
    font-size: 24px;
}

.route-info {
    font-size: 14px;
}

.route-card button {
    border: none;
    padding: 10px;
    cursor: pointer;
    font-size: 16px;
    margin-top: auto;
    border-radius: 20px;
    background: #e5e5e5;
    transition: var(--transition);
}

.requisites {
    gap: 4px !important;
    font-size: 14px;
    margin-bottom: 20px;
}

.requisites .ooo {
    font-weight: 500;
}

footer .abit {
    font-size: 22px;
    text-align: justify;
    padding-block: 20px 50px;
}





.new-approach {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
}

nav button {
    display: none;
}

.notifications-container {
    z-index: 100;
    position: fixed;
    top: 80px;
    right: 0;
}

.notification {
    backdrop-filter: blur(24px);
    border: 1px solid var(--accent-color);
    background-color: rgba(251, 251, 251, 0.8);
    margin: 20px;
    padding: 20px;
    white-space: wrap;
    word-break: break-all;
    font-size: 20px;
    font-weight: 300;
    border-radius: 16px;
    animation: notify 10s forwards;
}

.devices-carousel-container {
    display: flex;
    flex-direction: column;
}

.devices-carousel-container h2 {
    margin-bottom: 30px;
    font-weight: 500;
    font-size: 40px;
}

#devices-carousel {
    display: flex;
    flex-wrap: nowrap;
    gap: 24px;
    user-select: none;
    white-space: nowrap;
    overflow-y: hidden;
    overflow-x: scroll;
    scrollbar-width: none;
}

#devices-carousel img {
    aspect-ratio: 1 / 1;
    width: clamp(170px, 60%, 300px);
    flex-shrink: 0;
    object-fit: cover;
    user-select: none;
    border-radius: 16px;
    border: 1px solid transparent;
    transition: var(--transition);
}

#devices-carousel img .active {
    border: 1px solid rgb(200, 200, 200, 0.4);
    box-shadow: var(--box-shadow);
}

.nav-devices-button {
    display: flex;
    position: relative;
}

.nav-devices-button button {
    position: absolute;
    flex-shrink: 0;
    cursor: pointer;
    height: 100%;
    filter: drop-shadow(0px 0px 10px rgba(0, 0, 0, 1));
    width: 50px;
    border: none;
    background-color: transparent;
}

.nav-devices-button button:active svg {
    scale: .85;
}

.nav-devices-button button:last-child {
    right: 0;
}

.nav-devices-button svg {
    fill: var(--accent-color);
    width: 100%;
    height: 100%;
    transition: var(--transition);
}

.auditory-container {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(4, 1fr);
}

.auditory-card {
    background: #ededed;
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: 10px;
    text-wrap-style: balance;
}

.auditory-card .large-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    width: 100px;
    font-size: 50px;
    font-weight: 500;
    color: var(--primary-color);
    flex-shrink: 0;
    line-height: 100px;
    border-radius: 10px;
    overflow: hidden;
}

.large-item svg {
    width: 50%;
    height: 50%;
    fill: var(--primary-color);
}

.auditory-card .large-item img {
    object-fit: cover;
    height: 100%;
    width: 100%;
}

.new-ad-approach-container {
    padding-block: 10px;
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
}

.approach-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.approach-card .head {
    display: flex;
    align-items: center;
    gap: 20px;
}

.approach-card .head .icon {
    width: 60px;
    aspect-ratio: 1/1;
    background-color: navajowhite;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.approach-card .head .icon img {
    width: 100%;
}

.approach-card .head .icon svg {
    width: 25px;
    height: 25px;
    fill: var(--primary-color);
}

.approach-card .head .title {
    font-weight: 600;
}

.approach-card .text {
    font-size: 14px;
    text-wrap: balance;
}

.range {
    --range-output-left: calc(var(--value) * 1%);
    --range-output-offset-xy: calc(var(--value) * -1%), 0;

    position: relative;
    user-select: none;
    display: grid;
    width: 100%;
    min-height: 60px;
}

.range-label {
    margin-block-end: 50px;
    font-size: 24px;
    font-weight: 500;
}

.range-input {
    width: 100%;
    height: 30px;
    border-radius: 10px;
    appearance: none;
    background: none;
    position: absolute;
    bottom: 0;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 50%;
    background-color: white;
    box-shadow: 0 0 0 5px inset var(--accent-color);
    transition: 300ms;
}

.range-input::-moz-range-thumb {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 50%;
    background-color: white;
    box-shadow: 0 0 0 5px inset var(--accent-color);
    transition: 300ms;
}

.range-input:hover::-webkit-slider-thumb,
.range-input:focus-visible::-webkit-slider-thumb {
    box-shadow: 0 0 0 10px inset var(--accent-color);
}

.range-input:hover::-moz-range-thumb,
.range-input:focus-visible::-moz-range-thumb {
    box-shadow: 0 0 0 10px inset var(--accent-color);
}

.range-input:active::-webkit-slider-thumb {
    box-shadow: 0 0 0 30px inset var(--accent-color);
}

.range-input:active::-moz-range-thumb {
    box-shadow: 0 0 0 30px inset var(--accent-color);
}

.range-input:disabled::-webkit-slider-thumb {
    box-shadow: 0 0 0 30px inset gray;
}

.range-input:disabled::-moz-range-thumb {
    box-shadow: 0 0 0 30px inset gray;
}

.track {
    position: absolute;
    bottom: 11px;
    width: 100%;
    height: 8px;
    border-radius: 10px;
    background-color: #dbdbdb;
    z-index: -1;
}

.progress {
    position: absolute;
    top: 0;
    height: 100%;
    width: calc(var(--value) * 1%);
    border-radius: 10px;
    background-color: var(--accent-color);
    z-index: -1;
}

.range-output {
    position: absolute;
    bottom: 40px;
    left: var(--range-output-left);
    padding: 0 4px;
    background: transparent;
    border-radius: 10px;
    font-size: 18px;
    text-align: end;
    transform: translate(var(--range-output-offset-xy));
    user-select: none;
}

@media (width <=1440px) {

    section,
    .container {
        max-width: 1024px;
    }
}

@media (width <=1024px) {

    section,
    .container {
        max-width: 768px;
    }

    .auditory-container {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 1fr);
    }

    .new-ad-approach-container {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 1fr);
    }
}

@media (width <=768px) {
    .auditory-card {
        flex-direction: row;
        text-align: start;
        font-size: 14px;
    }

    .back-button,
    .forward-button {
        display: none;
    }

    nav button {
        display: block;
    }

    nav ul {
        display: none !important;
    }

    .accent-section {
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
        padding-block: 100px;
    }

    .accent-section .item {
        align-items: center;
    }

    .accent-section .item button {
        margin-top: 50px;
    }

    .accent-section img {
        height: 200px;
    }

    .item .company {
        font-size: 3rem;
    }

    .item .slogan {
        font-size: 1rem;
    }

    .vertical-card,
    .card {
        grid-template-columns: 1fr;
        grid-template-rows: 0fr 0fr;
    }

    .card .text {
        padding-top: 0;
    }

    .card .text p {
        font-size: 20px;
    }

    footer .content {
        grid-template-columns: 1fr;
        grid-template-rows: 0fr 0fr 0fr;
    }

    .route-container {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(3, 1fr);
    }

    section,
    .container {
        max-width: 600px;
        margin-top: 50px;
    }

    h2.temp {
        font-size: 30px;
        font-weight: 400;
        text-align: center;
        margin-block: 50px;
    }

    :root {
        --border-radius: 30px;
    }
}

@media (width <=600px) {
    .new-ad-approach-container {
        grid-template-columns: repeat(1, 1fr);
        grid-template-rows: repeat(6, 1fr);
    }

    .auditory-container {
        grid-template-columns: repeat(1, 1fr);
        grid-template-rows: repeat(4, 1fr);
    }
}

@media (width <=425px) {

    h1,
    .h1,
    h2,
    .devices-carousel-container h2 {
        font-size: 30px;
    }

    section {
        margin-top: 20px;
    }

    :root {
        --border-radius: 20px;
    }
}