@font-face {
    font-family: 'HelveticaNeueCyr';
    src: url('../../assets/fonts/HelveticaNeueCyr-Roman.woff') format('woff'), url('../../assets/fonts/HelveticaNeueCyr-Roman.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'HelveticaNeueCyr';
    src: url('../../assets/fonts/HelveticaNeueCyr-Thin.woff') format('woff'), url('../../assets/fonts/HelveticaNeueCyr-Thin.ttf') format('truetype');
    font-weight: 100;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'HelveticaNeueCyr';
    src: url('../../assets/fonts/HelveticaNeueCyr-UltraLight.woff') format('woff'), url('../../assets/fonts/HelveticaNeueCyr-UltraLight.ttf') format('truetype');
    font-weight: 200;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'HelveticaNeueCyr';
    src: url('../../assets/fonts/HelveticaNeueCyr-Light.woff') format('woff'), url('../../assets/fonts/HelveticaNeueCyr-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'HelveticaNeueCyr';
    src: url('../../assets/fonts/HelveticaNeueCyr-Medium.woff') format('woff'), url('../../assets/fonts/HelveticaNeueCyr-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

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

*:focus {
    outline: none;
}

:root {
    --color-bg: #f2f2f2;
    --color-text-main: #000;
    --color-text-light-blue: #03A6F1;
    --color-text-blue: #026FC9;
    --color-text-dark-blue: #003074;
    --font-family: 'HelveticaNeueCyr', sans-serif;
    --container-width: 1200px;
    --spacing-section: 80px;
    --swiper-theme-color: #fff;
    --swiper-navigation-color: #fff;
    --swiper-pagination-color: #fff;
}

html,
body {
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

body {
    position: relative;
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 120%;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

a:hover {
    /*opacity: 0.7;*/
}

p {
    font-size: 18px;
    font-weight: 400;
    color: var(----color-text-main);
    line-height: 120%;
    margin-bottom: 40px;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header__top-nav {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    font-family: var(--font-family);
    font-weight: 500;
    font-size: 14px;
    line-height: 120%;
    text-transform: uppercase;
    text-align: center;
    color: #000;
    margin-bottom: 36px;
    width: 100%;
    height: 50px;
    z-index: 9999;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    width: 60px;
    height: 21px;
    position: relative;
    z-index: 10000;
    text-decoration: none;
    /* Предотвращаем прокрутку страницы при клике на якорь */
    scroll-margin-top: 100vh;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: #000;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.close-trigger {
    display: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
}

.nav-link:hover {
    color: var(--color-text-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-text-blue);
    transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

.header__logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header__logo-img img {
    width: 304px;
    height: auto;
    margin-bottom: 64px;
    pointer-events: none;
    -webkit-touch-callout: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    user-select: none;
}

.hero {
    width: 100%;
}

.marquee-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.marquee-track {
    display: flex;
    width: fit-content;
}

.marquee-content {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.ribbon-1,
.ribbon-2,
.ribbon-3 {
    display: flex;
}

.ribbon-1 .marquee-content {
    height: 100px;
}

.ribbon-1 .slogan {
    font-size: 96px;
    font-weight: 200;
    color: var(--color-text-light-blue);
    text-transform: uppercase;
}

.ribbon-1 .star {
    font-size: 14px;
    color: var(--color-text-light-blue);
    margin: 0 50px;
}

.ribbon-2 .marquee-content,
.ribbon-3 .marquee-content {
    height: 32px;
}

.ribbon-2 .word,
.ribbon-3 .word {
    font-size: 28px;
    font-weight: 500;
    text-transform: uppercase;
}

.ribbon-2 .separator {
    color: var(--color-text-light-blue);
    font-size: 36px;
    font-weight: 300;
    margin: 0 20px;
}

.ribbon-3 .separator {
    color: var(--color-text-dark-blue);
    font-size: 36px;
    font-weight: 300;
    margin: 0 20px;
}

.section {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--spacing-section) 20px;
}

.section__title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 100;
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: #000;
}

.section__line {
    border-bottom: solid 2px #000;
    max-width: var(--container-width);
    margin-bottom: 50px;
}

.section__content {
    display: flex;
    flex-direction: column;
}

.section__subtitle {
    font-weight: 400;
    font-size: 32px;
    line-height: 100%;
    margin-bottom: 40px;
}

.section__row {
    display: flex;
    flex-direction: row;
    gap: 40px;
}

.section__full {
    width: 100%;
}

.section__half {
    width: 50%;
}

.section__center_half {
    padding: 0 20%;
}

.text__accident p {
    font-size: 42px;
    font-weight: 300;
    line-height: 100%;
}

.text__big p {
    font-size: 24px;
    font-weight: 400;
    line-height: 120%;
}

.section__last p {
    margin-bottom: 0;
}

.text__authors p {
    margin-bottom: 20px;
}

.inkblot-separator {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;
    background: var(--color-bg);
}

.inkblot-img-1,
.inkblot-img-2,
.inkblot-img-3 {
    position: relative;
    width: 100%;
    height: 400px;
    mix-blend-mode: darken;
    transform: translate3d(0, 0, 0);
}

.inkblot-img-1 img:nth-child(1),
.inkblot-img-2 img:nth-child(1),
.inkblot-img-3 img:nth-child(1) {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    -webkit-touch-callout: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    user-select: none;
}

.inkblot-img-1 img:nth-child(2) {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: screen;
    filter: brightness(1) contrast(130%) saturate(150%);
    backdrop-filter: hue-rotate(17deg);
    pointer-events: none;
    -webkit-touch-callout: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    user-select: none;
}

.inkblot-img-2 img:nth-child(2) {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: screen;
    filter: brightness(1) contrast(130%) saturate(150%);
    backdrop-filter: hue-rotate(350deg);
    pointer-events: none;
    -webkit-touch-callout: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    user-select: none;
    transform: rotate(180deg);
}

.inkblot-img-3 img:nth-child(2) {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: screen;
    filter: brightness(1) contrast(130%) saturate(150%);
    backdrop-filter: hue-rotate(7deg);
    pointer-events: none;
    -webkit-touch-callout: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    user-select: none;
}

.methodology__line {
    border-bottom: solid 2px #000;
    max-width: var(--container-width);
    margin-bottom: 20px;
}

.methodology__title {
    font-size: 24px;
    font-weight: 400;
    line-height: 120%;
}

.methodology__stats {
    display: flex;
    flex-direction: column;
}

.stat-item {
    padding: 40px 0;
    border-bottom: 1px solid var(--color-text-main);
}

.stat-item__value {
    font-family: var(--font-display);
    font-size: 96px;
    font-weight: 100;
    color: var(--color-text-main);
    line-height: 100%;
    white-space: nowrap;
}

.stat-item__label {
    font-size: 24px;
    font-weight: 500;
    color: var(--color-text-main);
    line-height: 120%;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.stat-item__text {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text-main);
    line-height: 120%;
}

.section#products {
    padding-top: 0;
    padding-bottom: 30px;
}

.products__list {
    display: flex;
    flex-direction: column;
}

.products-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 40px;
}

.products-item:last-child {
    margin-bottom: 80px;
}

.products-item__number {
    display: flex;
    flex-direction: row;
    font-size: 48px;
    font-weight: 200;
    margin-bottom: 20px;
}

.products-item__line {
    border-bottom: solid 2px #000;
    max-width: var(--container-width);
    margin-bottom: 20px;
}

.products-item__content {
    display: flex;
    flex-direction: row;
    gap: 20px;
}

.products-item__content_column {
    display: flex;
    flex-direction: column;
    width: 50%;
}

.products-item__title {
    font-size: 64px;
    font-weight: 300;
    margin-top: 20px;
    line-height: 100%;
}

.products-item__desc {
    margin-bottom: 0;
}

.products-item__desc_list {
    font-size: 28px;
    font-weight: 500;
    margin: 30px 0 20px 0;
}

.products-item__desc p {
    font-size: 24px;
    font-weight: 400;
    line-height: 120%;
    margin: 5px 0;

}

.products-item__action {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.products-item__action_arrow {
    font-size: 32px;
    font-weight: 100;
    white-space: nowrap;
}

.products-item__content_row {
    display: flex;
    align-items: center;
}

.action_arrow {
    position: relative;
    display: inline-block;
    width: 100%;
    height: 2px;
    margin: 15px 0 15px 10px;
    border-radius: 9999px;
    background-color: #000000;
}

.action_arrow::before,
.action_arrow::after {
    content: "";
    position: absolute;
    top: calc(50% - 1px);
    right: 0;
    width: 15px;
    height: 2px;
    border-radius: 9999px;
    background-color: #000000;
    transform-origin: calc(100% - 1px) 50%;
}

.action_arrow::before {
    transform: rotate(45deg);
}

.action_arrow::after {
    transform: rotate(-45deg);
}

.action__contacts a {
    color: var(--color-text-blue);
}

.action__contacts a:hover {
    text-decoration: underline;
}

.btn-outline {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 64px;
    background: #fff;
    border: 2px solid var(--color-text-blue);
    color: var(--color-text-blue);
    border-radius: 100px;
    cursor: pointer;
    font-size: 24px;
    text-transform: uppercase;
    transition: all 0.3s;
}

.btn-outline:hover {
    background-color: var(--color-text-blue);
    color: white;
}

.iat_demo__slider {
    display: flex;
    background-color: var(--color-text-blue);
    height: 500px;
    padding: 40px 0 10px 0;
}

.swiper {
    width: 100%;
}

.swiper-slide {
    background-position: center;
    background-size: cover;
    max-width: 180px;
}

.swiper-slide img {
    display: block;
    width: 180px;
    height: 391px;
}

.section#demo {
    padding-top: 0;
}

.demo__desc {
    font-size: 28px;
    font-weight: 500;
    margin: 0 0 20px 0;
}

.footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: end;
    background-color: var(--color-text-dark-blue);
    width: 100%;
    overflow: hidden;
}

.footer__content {
    display: flex;
    flex-direction: column;
    max-width: var(--container-width);
    padding: 0 20px;
}

.footer__content_row {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 64px;
    margin-bottom: 36px;
}

.footer__column {
    display: flex;
    flex-direction: column;
    justify-content: end;
}

.footer__phones p {
    color: #fff;
    margin: 0;
    padding-bottom: 10px;
    font-size: 16px;
    line-height: 120%;
}
.footer__copyright p {
    color: #6CD1FF;
    margin: 0;
    padding-bottom: 10px;
    font-size: 16px;
    line-height: 120%;
}

.footer__logo-img img {
    max-width: 100%;
    height: auto;
}

.footer__phones a {
    color: #fff;
}

.footer__phones a:hover {
    color: #6CD1FF;
    text-decoration: underline;
}

@media screen and (max-width: 768px) {

    p {
        font-size: 16px;
    }

    .header__top-nav {
        position: relative;
        height: 60px;
    }

    .hamburger {
        display: flex;
    }

    .close-trigger {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 60px;
        height: 60px;
        z-index: 10001;
        cursor: pointer;
    }

    .hamburger:target~.close-trigger {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 0;
        flex-direction: column;
        background: var(--color-bg);
        padding: 90px 30px 50px 30px;
        border-radius: 20px;
        border-style: dashed;
        gap: 40px;
        min-width: 200px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px) scale(0.95);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-item {
        opacity: 0;
        transform: translateX(-20px);
        transition: all 0.3s ease;
    }

    .nav-link {
        font-size: 28px;
        font-weight: 300;
    }

    .nav-item:last-child .nav-link {
        border-bottom: none;
    }

    .nav-link::after {
        bottom: -5px;
        height: 2px;
    }

    .hamburger:target~.nav-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
    }

    .hamburger:target~.nav-menu .nav-item {
        opacity: 1;
        transform: translateX(0);
    }

    .hamburger:target~.nav-menu .nav-item:nth-child(1) {
        transition-delay: 0.1s;
    }

    .hamburger:target~.nav-menu .nav-item:nth-child(2) {
        transition-delay: 0.15s;
    }

    .hamburger:target~.nav-menu .nav-item:nth-child(3) {
        transition-delay: 0.2s;
    }

    .hamburger:target~.nav-menu .nav-item:nth-child(4) {
        transition-delay: 0.25s;
    }

    .hamburger:target span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
        background: #000;
    }

    .hamburger:target span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .hamburger:target span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
        background: #000;
    }

    .section__title {
        font-size: 32px;
    }

    .section__row {
        flex-wrap: wrap;
        gap: 0;
    }

    .ribbon-1 .slogan {
        font-size: 64px;
    }

    .ribbon-2 .word,
    .ribbon-3 .word {
        font-size: 21px;
    }

    .section__subtitle {
        font-size: 21px;
    }

    .section__center_half {
        width: 100%;
        padding: 0;
    }

    .section#options, .section#limits {
        padding-bottom: 40px;
    }

    .text__accident p {
        font-size: 32px;
    }

    .text__big p {
        font-size: 21px;
    }

    .products-item {
        margin-bottom: 60px;
    }

    .products-item__content {
        flex-wrap: wrap;
    }

    .products-item__action {
        flex-wrap: wrap;
    }

    .products-item__content_column,
    .section__half {
        width: 100%;
    }

    .products-item__title {
        font-size: 42px;
    }

    .products-item__desc_list, .demo__desc {
        font-size: 21px;
    }

    .products-item__desc p {
        font-size: 18px;
    }

    .products-item__action_arrow {
        font-size: 24px;
    }

    .action_arrow {
        position: absolute;
        right: 40px;
        width: 0;
        height: 20px;
        margin-top: 20px;
        rotate: 90deg;
    }

    .action_arrow::before,
    .action_arrow::after {
        width: 20px;
        height: 1px;
    }

    .btn-outline {
        font-size: 18px;
        height: 54px;
    }

    .footer__phones p,
    .footer__copyright p {
        font-size: 12px;
        margin: 0 5px;
    }

    .header__logo-img img {
        width: 250px;
    }
}

@media screen and (min-width: 769px) and (max-width: 1279px) {

    :root {
        --container-width: 960px;
    }

    p {
        font-size: 16px;
    }

    .header__logo-img img {
        width: 280px;
    }

    .ribbon-1 .slogan {
        font-size: 82px;
    }

    .ribbon-2 .word,
    .ribbon-3 .word {
        font-size: 24px;
    }

    .section__title {
        font-size: 36px;
    }

    .section__subtitle {
        font-size: 28px;
    }

    .text__accident p {
        font-size: 36px;
    }

    .text__big p {
        font-size: 21px;
    }

    .methodology__stats .section__row {
        gap: 20px;
    }

    .stat-item__value {
        font-size: 76px;
    }

    .stat-item__label {
        font-size: 18px;
        hyphens: auto;
    }

    .products-item__title {
        font-size: 52px;
        hyphens: auto;
    }

    .products-item__desc_list, .demo__desc {
        font-size: 21px;
    }

    .products-item__desc p {
        font-size: 18px;
    }

    .products-item__action {
        gap: 20px;
    }

    .products-item__action_arrow {
        font-size: 24px;
    }

    .btn-outline {
        font-size: 18px;
        height: 54px;
    }

    .section#options, .section#limits {
        padding-bottom: 40px;
    }
    
}