:root {
	--black-1: #0d0d0d;
	--black-2: #181818;
	--white: #fff;
	--gray-1: #c3c3c3;
	--accent-soft: rgba(255, 68, 0, 0.1);
	--accent: #ff4400;
	--vk: #0077ff;
	--vk-hover: #0061d4;
	--btn-bg: linear-gradient(135deg,
			var(--Components-Button-Gradint-Fill-1, #cc3700) 0%,
			var(--Components-Button-Gradint-Fill-2, #ff4400) 100%);
	--gradient: linear-gradient(97deg,
			var(--Components-Button-Hover-Gradint-Fill-1, #ff6b33) 0.32%,
			var(--Components-Button-Hover-Gradint-Fill-2, #ff4400) 44.6%,
			var(--Components-Button-Hover-Gradint-Fill-3, #ff6633) 62.16%);
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 130px;
}

body {
	font-family: "Gallery Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
	font-size: 16px;
	font-style: normal;
	font-weight: 400;
	line-height: 140%;
	background-color: var(--black-1);
	color: var(--white);
}

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
}

.body-wrapper {
	position: relative;
	overflow: hidden;
}

.container {
	width: 100%;
	max-width: 1268px;
	margin: 0 auto;
	padding: 0 64px;
}

.section {
	padding: 80px 0;
}

.main {
	padding-top: 120px;
}

/* ---------------------------------- utilities ---------------------------------- */

.text-56 {
	font-size: 56px;
	line-height: 100%;
}

.text-36 {
	font-size: 36px;
	line-height: 130%;
}

.text-28 {
	font-size: 28px;
	line-height: 140%;
}

.text-24 {
	font-size: 24px;
	line-height: 140%;
}

.text-20 {
	font-size: 20px;
	line-height: 140%;
}

.text-18 {
	font-size: 18px;
	line-height: 140%;
}

.text-16 {
	font-size: 16px;
	line-height: 140%;
}

.text-14 {
	font-size: 14px;
	line-height: 140%;
}

.text-12 {
	font-size: 12px;
	line-height: 140%;
}

.fw-500 {
	font-weight: 500;
}

.gray-text {
	color: var(--gray-1);
}

/* ---------------------------------- buttons ---------------------------------- */

.btn {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 8px;
	width: fit-content;
	padding: 12px 24px;
	border-radius: 20px;
	background: var(--btn-bg);
	background-size: calc(100% + 2px);
	background-position: center;
	cursor: pointer;
	position: relative;
	overflow: hidden;
	z-index: 1;
	height: fit-content;
	user-select: none;
	-webkit-user-select: none;
	transition: background-color 0.3s ease;
}

.btn::after {
	display: block;
	content: "";
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	background: var(--gradient);
	background-size: calc(100% + 2px);
	background-position: center;
	z-index: -1;
	opacity: 0;
	transition: opacity ease 0.5s;
}

.btn:hover::after {
	opacity: 1;
}

.btn_gradient-bg::after {
	opacity: 1;
}

.btn_vk {
	background: var(--vk);
}

.btn_vk::after {
	display: none;
}

.btn_vk:hover {
	background: var(--vk-hover);
}

/* ---------------------------------- header ---------------------------------- */

.header {
	position: fixed;
	top: 32px;
	left: 0;
	width: 100%;
	z-index: 10;
}

.header__top {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 16px;
}

.header__wrapper {
	padding: 23px 40px;
	border-radius: 32px;
	background: linear-gradient(135deg, rgba(255, 68, 0, 0.22), rgba(255, 68, 0, 0.1));
	box-shadow: 0 40px 25px 0 rgba(0, 0, 0, 0.05), 0 5px 10px 0 rgba(0, 0, 0, 0.1);
	-webkit-backdrop-filter: blur(15px);
	backdrop-filter: blur(15px);
	margin: 0 -60px;
}

.header__logo {
	display: flex;
	height: 42px;
	width: fit-content;
	align-items: center;
}

.header__btn {
	flex-shrink: 0;
}

.header__menu-btn {
	display: none;
	justify-content: center;
	align-items: center;
	width: 24px;
	height: 24px;
	background: none;
	border: 0;
	padding: 0;
	cursor: pointer;
}

.header__menu-btn svg:nth-child(2) {
	display: none;
}

.header .nav {
	display: none;
}

.nav__label {
	color: var(--gray-1);
}

@media screen and (max-width: 1024px) {
	.header .nav {
		display: flex;
		flex-direction: column;
		max-height: 0;
		overflow: hidden;
		transition: max-height ease 0.5s;
	}

	.header .nav__list {
		display: flex;
		flex-direction: column;
		gap: 32px;
		margin-top: 64px;
	}

	.header .nav__link {
		font-size: 32px;
		line-height: 100%;
		letter-spacing: -0.64px;
	}

	.header .nav__label {
		margin-top: 205px;
	}

	.header__menu-btn {
		display: flex;
	}

	.header-open .header__menu-btn svg:nth-child(1) {
		display: none;
	}

	.header-open .header__menu-btn svg:nth-child(2) {
		display: block;
	}

	.header-open .header .nav {
		max-height: 585px;
	}
}

@media screen and (min-width: 1025px) {
	.header__wrapper {
		display: flex;
		align-items: center;
		gap: 48px;
	}

	.header__top {
		flex: 1;
	}

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

	.header .nav__list {
		display: flex;
		align-items: center;
		gap: 8px;
	}

	.header .nav__link {
		display: inline-flex;
		align-items: center;
		padding: 10px 16px;
		border-radius: 16px;
		font-size: 16px;
		line-height: 140%;
		transition: background-color 0.3s ease;
	}

	.header .nav__link:hover {
		background: rgba(255, 255, 255, 0.08);
	}

	.header .nav__label {
		display: none;
	}
}

/* ---------------------------------- sections anim ---------------------------------- */

.section-anim {
	z-index: 3;
	position: relative;
}

.section-anim_border::before {
	display: block;
	content: "";
	width: 100%;
	height: 1px;
	background: linear-gradient(90deg, rgba(255, 255, 255, 0) 10%, rgba(255, 255, 255, 0.25) 50%, rgba(255, 255, 255, 0) 90%);
}

/* ---------------------------------- article block ---------------------------------- */

.article-block__wrapper {
	display: flex;
	align-items: center;
	gap: 64px;
}

.article-block__content {
	flex: 1;
	min-width: 0;
}

.article-block__content h2 {
	margin-bottom: 24px;
}

.article-block__content p:not(:last-child) {
	margin-bottom: 16px;
}

.article-block__img {
	display: flex;
	flex-shrink: 0;
	width: 46%;
	overflow: hidden;
	border-radius: 32px;
}

.article-block__img img {
	width: 100%;
	height: auto;
	display: block;
}

.article-block__link {
	display: flex;
	gap: 4px;
	width: fit-content;
	align-items: center;
	color: var(--accent);
	margin-top: 24px;
}

.article-block__link svg {
	transition: transform ease 0.5s;
}

.article-block__link:hover svg {
	transform: translateX(4px);
}

.about-feature {
	display: flex;
	gap: 24px;
	align-items: stretch;
	margin-bottom: 40px;
	padding: 20px;
	border-radius: 24px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: var(--black-2);
	transition: border-color 0.25s ease, transform 0.25s ease;
}

.about-feature:hover {
	border-color: rgba(255, 68, 0, 0.5);
	transform: translateY(-2px);
}

.about-feature__cover {
	width: 300px;
	flex-shrink: 0;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	border-radius: 16px;
	background: #121212;
}

.about-feature__cover img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.about-feature:hover .about-feature__cover img {
	transform: scale(1.05);
}

.about-feature__body {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 8px;
	padding: 8px 4px;
	min-width: 0;
}

.about-feature__label {
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--gray-1);
	opacity: 0.8;
}

.about-feature__title {
	line-height: 130%;
}

.about-feature__thesis {
	line-height: 150%;
}

.about-feature__link {
	display: flex;
	align-items: center;
	gap: 6px;
	color: var(--accent);
	margin-top: auto;
	padding-top: 8px;
}

.about-feature__link svg {
	transition: transform ease 0.4s;
}

.about-feature:hover .about-feature__link svg {
	transform: translateX(4px);
}

/* ---------------------------------- completed (stack) ---------------------------------- */

.completed__wrapper {
	padding: 80px 0;
	position: relative;
}

.completed__bg {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	display: flex;
	width: 100%;
	max-width: 970px;
	height: auto;
	pointer-events: none;
}

.completed__bg img {
	width: 100%;
	height: auto;
}

.completed__title {
	margin-bottom: 24px;
	text-align: center;
	opacity: 0.8;
}

.completed__subtitle {
	margin-bottom: 64px;
	text-align: center;
}

.completed__list {
	display: flex;
	flex-direction: column;
	gap: 16px;
	width: 100%;
	max-width: 754px;
	margin: 0 auto;
}

.completed__item {
	width: fit-content;
	max-width: 480px;
	position: relative;
}

.completed__item:nth-child(even) .completed__text {
	border-radius: 16px 16px 6px 16px;
	background: linear-gradient(93deg, rgba(255, 68, 0, 0.5) 2.97%, rgba(204, 55, 0, 0.5) 100.82%);
}

.completed__item:nth-child(1) {
	margin-left: 58px;
}

.completed__item:nth-child(2) {
	margin-left: auto;
	margin-right: 16px;
}

.completed__item:nth-child(3) {
	margin-left: 73px;
}

.completed__item:nth-child(4) {
	margin-right: 73px;
	margin-left: auto;
}

.completed__item:nth-child(5) {
	margin-left: 146px;
}

.completed__item:nth-child(6) {
	margin-right: 135px;
	margin-left: auto;
}

.completed__text {
	padding: 16px 24px;
	border-radius: 16px 16px 16px 6px;
	border: 2px solid rgba(255, 255, 255, 0.2);
	background: linear-gradient(91deg, rgba(255, 68, 0, 0.5) 32.98%, rgba(204, 55, 0, 0.5) 97.09%);
	-webkit-backdrop-filter: blur(7.5px);
	backdrop-filter: blur(7.5px);
}

/* ---------------------------------- vacancy entrance (hero) ---------------------------------- */

.vacancy-entrance {
	margin-top: -120px;
	position: relative;
	background-image:
		linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
	background-size: 88px 88px;
}

.vacancy-entrance__wrapper {
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	min-height: calc(100vh - 160px);
	position: relative;
	z-index: 1;
}

.vacancy-entrance__title {
	margin-bottom: 24px;
}

.vacancy-entrance__desc {
	max-width: 752px;
}

.vacancy-entrance__btn {
	margin-top: 40px;
	padding: 15px 24px 13px;
}

.vacancy-entrance__bg {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
	z-index: 0;
	pointer-events: none;
}

.vacancy-entrance__ticker {
	position: absolute;
	z-index: 0;
	pointer-events: none;
	font-family: 'Consolas', 'Courier New', monospace;
	color: rgba(255, 255, 255, 0.12);
	white-space: nowrap;
	user-select: none;
	-webkit-user-select: none;
	animation: ticker-drift 14s ease-in-out infinite alternate;
}

.vacancy-entrance__ticker:nth-child(3) {
	top: 14%;
	left: 5%;
	font-size: 18px;
}

.vacancy-entrance__ticker:nth-child(4) {
	top: 26%;
	right: 6%;
	font-size: 20px;
	animation-delay: -2s;
}

.vacancy-entrance__ticker:nth-child(5) {
	top: 38%;
	left: 4%;
	font-size: 15px;
	animation-delay: -4s;
}

.vacancy-entrance__ticker:nth-child(6) {
	top: 52%;
	right: 4%;
	font-size: 16px;
	animation-delay: -6s;
}

.vacancy-entrance__ticker:nth-child(7) {
	top: 63%;
	left: 7%;
	font-size: 22px;
	animation-delay: -8s;
}

.vacancy-entrance__ticker:nth-child(8) {
	top: 18%;
	left: 24%;
	font-size: 15px;
	opacity: 0.8;
	animation-delay: -1s;
}

.vacancy-entrance__ticker:nth-child(9) {
	top: 72%;
	right: 7%;
	font-size: 17px;
	animation-delay: -3s;
}

.vacancy-entrance__ticker:nth-child(10) {
	top: 44%;
	left: 16%;
	font-size: 18px;
	animation-delay: -5s;
}

.vacancy-entrance__ticker:nth-child(11) {
	top: 30%;
	left: 40%;
	font-size: 14px;
	animation-delay: -7s;
}

.vacancy-entrance__ticker:nth-child(12) {
	top: 80%;
	left: 32%;
	font-size: 16px;
	animation-delay: -9s;
}

.vacancy-entrance__ticker:nth-child(13) {
	top: 58%;
	left: 46%;
	font-size: 14px;
	animation-delay: -10s;
}

.vacancy-entrance__ticker:nth-child(14) {
	top: 12%;
	right: 26%;
	font-size: 15px;
	animation-delay: -11s;
}

.vacancy-entrance__ticker:nth-child(15) {
	top: 66%;
	left: 62%;
	font-size: 14px;
	animation-delay: -12s;
}

.vacancy-entrance__ticker:nth-child(16) {
	top: 36%;
	right: 34%;
	font-size: 14px;
	animation-delay: -13s;
}

.vacancy-entrance__glow {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 900px;
	height: 560px;
	transform: translate(-50%, -50%);
	background: radial-gradient(ellipse at center, rgba(255, 68, 0, 0.16), rgba(255, 68, 0, 0.05) 45%, transparent 70%);
	animation: glow-pulse 7s ease-in-out infinite alternate;
}

.vacancy-entrance__beam {
	position: absolute;
	top: -40%;
	left: 50%;
	width: 520px;
	height: 180%;
	transform: translateX(-50%) rotate(18deg);
	background: linear-gradient(90deg, transparent, rgba(255, 68, 0, 0.07) 50%, transparent);
	animation: beam-drift 11s ease-in-out infinite alternate;
}

@keyframes ticker-drift {
	0% {
		transform: translateY(0);
	}
	100% {
		transform: translateY(-18px);
	}
}

@keyframes glow-pulse {
	0% {
		opacity: 0.6;
		transform: translate(-50%, -50%) scale(1);
	}
	100% {
		opacity: 1;
		transform: translate(-50%, -50%) scale(1.15);
	}
}

@keyframes beam-drift {
	0% {
		transform: translateX(-50%) rotate(16deg) translateX(-40px);
	}
	100% {
		transform: translateX(-50%) rotate(20deg) translateX(40px);
	}
}

/* ---------------------------------- vacancy (docs list) ---------------------------------- */

.vacancy__wrapper {
	padding-bottom: 80px;
	position: relative;
}

.vacancy__heading {
	display: flex;
	flex-direction: column;
	gap: 32px;
	width: 100%;
	max-width: 726px;
	margin: 0 auto;
	margin-bottom: 80px;
	text-align: center;
}

.vacancy__list {
	display: flex;
	flex-direction: column;
	gap: 16px;
	max-width: 752px;
	width: 100%;
	margin: 0 auto;
}

.vacancy__link {
	--link-bg: var(--black-2);
	border-radius: 24px;
	padding: 24px;
	cursor: pointer;
	background-color: var(--link-bg);
	transition: background-color ease 0.5s;
	position: relative;
}

.vacancy__link:hover {
	--link-bg: var(--accent);
}

.vacancy__name {
	padding-right: 24px;
}

.vacancy__date {
	margin-top: 8px;
	color: var(--gray-1);
}

.vacancy__tags {
	position: relative;
	-webkit-mask-image: linear-gradient(90deg, var(--link-bg) calc(100% - 50px), rgba(0, 0, 0, 0) 100%);
	mask-image: linear-gradient(90deg, var(--link-bg) calc(100% - 50px), rgba(0, 0, 0, 0) 100%);
}

.vacancy__tags-wrapper {
	display: flex;
	margin-top: 8px;
	gap: 8px;
	overflow-x: auto;
}

.vacancy__tags-wrapper::-webkit-scrollbar {
	display: none;
}

.vacancy__tag {
	display: flex;
	width: fit-content;
	border-radius: 8px;
	padding: 4px 8px;
	border: 1px solid rgba(255, 255, 255, 0.1);
	background: rgba(0, 0, 0, 0);
	white-space: nowrap;
}

.vacancy__caret {
	display: flex;
	position: absolute;
	top: 24px;
	right: 24px;
}

.vacancy__label {
	text-align: center;
	margin: 0 auto;
	margin-top: 80px;
}

.vacancy__label a {
	color: var(--accent);
	text-decoration: underline;
}

.vacancy__bg {
	display: flex;
	width: 150%;
	height: auto;
	position: absolute;
	top: -65%;
	left: -65%;
	z-index: 0;
	pointer-events: none;
}

.vacancy__bg img {
	width: 100%;
	height: auto;
}

.vacancy__heading,
.vacancy__list {
	position: relative;
}

/* ---------------------------------- vacancy page (docs) ---------------------------------- */

.vacancy-page__bg img {
	position: fixed;
	pointer-events: none;
	min-width: 800px;
}

.vacancy-page__bg img:nth-child(1) {
	top: 0;
	right: 50%;
	width: 50%;
	height: auto;
}

.vacancy-page__wrapper {
	padding-top: 40px;
	padding-bottom: 80px;
	max-width: 752px;
	margin: 0 auto;
}

@media screen and (max-width: 1024px) {
	.vacancy-page__bg img {
		min-width: 0;
	}
}

.vacancy-page__title {
	margin-bottom: 40px;
}

.vacancy-page__content {
	margin-top: 40px;
	overflow-wrap: break-word;
}

/* ---------------------------------- content typography ---------------------------------- */

.content p:not(:last-child) {
	margin-bottom: 1em;
}

.content h2 {
	font-size: 36px;
	line-height: 130%;
	font-weight: 500;
}

.content h2:not(:first-child) {
	margin-top: 40px;
}

.content h2:not(:last-child) {
	margin-bottom: 24px;
}

.content h3 {
	font-size: 24px;
	line-height: 130%;
	font-weight: 500;
	margin-top: 32px;
	margin-bottom: 16px;
}

.content ol {
	padding-left: 20px;
}

.content ul {
	padding-left: 1.5em;
}

.content ul:not(:last-child) {
	margin-bottom: 1em;
}

.content ul > li {
	list-style: disc;
}

.content pre {
	margin: 16px 0;
	padding: 16px 20px;
	background: rgba(255, 255, 255, 0.06);
	border-radius: 16px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	overflow-x: auto;
	font-family: 'Consolas', 'Courier New', monospace;
	font-size: 14px;
	line-height: 150%;
	color: var(--gray-1);
}

.content a {
	color: var(--accent);
	text-decoration: underline;
	text-underline-offset: 2px;
}

.content a:hover {
	color: #ff6b33;
}

.content a.btn,
.content a.btn:hover {
	color: var(--white);
	text-decoration: none;
}

.gallery {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 12px;
	margin: 24px 0 8px;
	align-items: start;
}

.gallery--single {
	grid-template-columns: 1fr;
}

.gallery__item {
	display: block;
	overflow: hidden;
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: var(--black-2);
}

.gallery__item img {
	width: 100%;
	height: auto;
	display: block;
}

/* ---------------------------------- related articles ---------------------------------- */

.article-nav {
	margin: 40px 0 8px;
	padding-top: 32px;
	border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.article-nav__title {
	margin-bottom: 20px;
}

.article-nav__list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
}

.related-card {
	display: flex;
	flex-direction: column;
	overflow: hidden;
	border-radius: 16px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: var(--black-2);
	transition: border-color 0.25s ease, transform 0.25s ease;
}

.related-card:hover {
	border-color: rgba(255, 68, 0, 0.5);
	transform: translateY(-2px);
}

.related-card__cover {
	position: relative;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background: #121212;
}

.related-card__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.related-card:hover .related-card__img {
	transform: scale(1.05);
}

.related-card__placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #232323, #161616);
}

.related-card__placeholder span {
	font-size: 44px;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.15);
}

.related-card__body {
	display: flex;
	flex-direction: column;
	gap: 8px;
	padding: 14px 16px 16px;
}

.related-card__title {
	color: var(--white);
	font-size: 16px;
	font-weight: 500;
	line-height: 135%;
}

.related-card__date {
	color: var(--gray-1);
	font-size: 12px;
}

.related-card__thesis {
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	color: var(--gray-1);
	font-size: 14px;
	line-height: 145%;
}

.article-nav__actions {
	display: flex;
	align-items: center;
	gap: 20px;
	margin-top: 24px;
	flex-wrap: wrap;
}

.article-nav__back {
	color: var(--gray-1);
	text-decoration: underline;
	text-underline-offset: 2px;
	transition: color 0.2s ease;
}

.article-nav__back:hover {
	color: var(--accent);
}

/* ---------------------------------- app preview ---------------------------------- */

.iframe-block {
	padding: 80px 0;
}

.section__title {
	margin-bottom: 24px;
}

.section__subtitle {
	margin-bottom: 40px;
}

.app-preview__frame {
	width: 100%;
	height: 700px;
	border: none;
	border-radius: 16px;
	display: block;
	background: var(--black-2);
}

.vk-cta {
	margin-top: 40px;
	padding: 48px;
	border-radius: 24px;
	background: var(--black-2);
	text-align: center;
}

.vk-cta__title {
	margin-bottom: 16px;
}

.vk-cta__desc {
	margin-bottom: 12px;
}

.vk-cta__list {
	display: flex;
	justify-content: center;
	gap: 24px;
	flex-wrap: wrap;
	list-style: none;
	padding: 0;
	margin: 0 0 32px;
}

.vk-cta__list li {
	color: var(--white);
}

.vk-cta__btn {
	display: inline-block;
	padding: 16px 48px;
	text-decoration: none;
}

/* ---------------------------------- footer ---------------------------------- */

.footer-old {
	padding: 96px 0;
	-webkit-backdrop-filter: blur(12px);
	backdrop-filter: blur(12px);
}

.footer-old__wrapper {
	width: 100%;
	gap: 10px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.footer-old__copy {
	color: var(--gray-1);
}

/* ---------------------------------- graph (publications) ---------------------------------- */

.graph {
	position: relative;
	border-radius: 32px;
	border: 1px solid rgba(255, 255, 255, 0.1);
	background: var(--black-2);
	overflow: hidden;
}

.graph__canvas {
	display: block;
	width: 100%;
	height: 560px;
	cursor: grab;
	touch-action: none;
	user-select: none;
	-webkit-user-select: none;
}

.graph__canvas:active {
	cursor: grabbing;
}

.graph__tooltip {
	position: absolute;
	z-index: 5;
	max-width: 220px;
	padding: 10px 14px;
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: rgba(13, 13, 13, 0.92);
	-webkit-backdrop-filter: blur(8px);
	backdrop-filter: blur(8px);
	pointer-events: none;
	font-size: 14px;
	line-height: 140%;
}

.graph__tooltip[hidden] {
	display: none;
}

.graph__tooltip b {
	display: block;
	font-weight: 500;
	margin-bottom: 4px;
}

.graph__tooltip-meta {
	color: var(--gray-1);
	margin-bottom: 4px;
}

.graph__tooltip-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
}

.graph__tooltip-tag {
	padding: 2px 6px;
	border-radius: 6px;
	border: 1px solid rgba(255, 255, 255, 0.1);
	font-size: 11px;
	color: var(--gray-1);
}

.graph__controls {
	position: absolute;
	right: 16px;
	bottom: 16px;
	display: flex;
	flex-direction: row;
	gap: 8px;
}

.graph__control-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	min-width: 40px;
	height: 40px;
	padding: 0;
	border-radius: 50%;
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: rgba(13, 13, 13, 0.6);
	-webkit-backdrop-filter: blur(8px);
	backdrop-filter: blur(8px);
	color: var(--white);
	font-size: 18px;
	line-height: 1;
	cursor: pointer;
	transition: background-color ease 0.3s;
}

.graph__control-btn:hover {
	background: rgba(255, 68, 0, 0.35);
}

.graph__control-btn[data-zoom="reset"] {
	font-size: 12px;
	padding: 0 14px;
	border-radius: 20px;
	min-width: 0;
}

.graph__legend {
	position: absolute;
	top: 16px;
	left: 16px;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	max-width: calc(100% - 32px);
}

.graph__legend-item {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 4px 10px;
	border-radius: 20px;
	border: 1px solid rgba(255, 255, 255, 0.1);
	background: rgba(13, 13, 13, 0.6);
	-webkit-backdrop-filter: blur(8px);
	backdrop-filter: blur(8px);
	color: var(--white);
	font-size: 12px;
	line-height: 140%;
	cursor: default;
}

.graph__legend-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	flex-shrink: 0;
}

.graph__hint {
	position: absolute;
	left: 16px;
	bottom: 22px;
	pointer-events: none;
	opacity: 0.65;
}

.graph__empty {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--gray-1);
	font-size: 18px;
}

.graph__empty[hidden] {
	display: none;
}

/* ---------------------------------- tiles (articles grid) ---------------------------------- */

.tiles-controls {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
	margin-top: 40px;
}

.tiles-tags {
	display: flex;
	gap: 8px;
	overflow-x: auto;
	max-width: 100%;
	padding-bottom: 4px;
}

.tiles-tags::-webkit-scrollbar {
	display: none;
}

.chip {
	flex-shrink: 0;
	padding: 7px 14px;
	border-radius: 20px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: var(--black-2);
	color: var(--gray-1);
	font-size: 14px;
	line-height: 140%;
	cursor: pointer;
	transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.chip:hover {
	color: var(--white);
	border-color: rgba(255, 255, 255, 0.3);
}

.chip_active,
.chip_active:hover {
	background: var(--accent);
	border-color: var(--accent);
	color: var(--white);
}

.tiles-sort {
	display: flex;
	flex-shrink: 0;
	padding: 4px;
	border-radius: 20px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: var(--black-2);
}

.sort-btn {
	padding: 8px 14px;
	border-radius: 16px;
	border: 0;
	background: none;
	color: var(--gray-1);
	cursor: pointer;
	transition: color 0.2s ease, background-color 0.2s ease;
}

.sort-btn:hover {
	color: var(--white);
}

.sort-btn_active,
.sort-btn_active:hover {
	background: var(--accent);
	color: var(--white);
}

.tiles {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	margin-top: 32px;
}

.tile {
	display: flex;
	flex-direction: column;
	overflow: hidden;
	border-radius: 20px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: var(--black-2);
	transition: border-color 0.25s ease, transform 0.25s ease;
}

.tile:hover {
	border-color: rgba(255, 68, 0, 0.5);
	transform: translateY(-3px);
}

.tile__cover {
	position: relative;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background: #121212;
}

.tile__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.tile:hover .tile__img {
	transform: scale(1.05);
}

.tile__placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #232323, #161616);
}

.tile__placeholder span {
	font-size: 64px;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.15);
}

.tile__body {
	display: flex;
	flex-direction: column;
	gap: 10px;
	flex: 1;
	padding: 18px 20px 20px;
}

.tile__title {
	line-height: 130%;
}

.tile__thesis {
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
	color: var(--gray-1);
	line-height: 145%;
}

.tile__tags {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-top: auto;
}

.tile__tag {
	padding: 3px 8px;
	border-radius: 8px;
	border: 1px solid rgba(255, 255, 255, 0.1);
	font-size: 12px;
	color: var(--gray-1);
}

.tiles-more {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	margin-top: 40px;
}

.tiles-more .btn {
	min-width: 200px;
}

.tiles-counter {
	opacity: 0.8;
}

/* ---------------------------------- collections ---------------------------------- */

.collections {
	display: flex;
	flex-direction: column;
	gap: 36px;
	margin-top: 40px;
}

.collection {
	padding-top: 28px;
	border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.collection__head {
	display: flex;
	align-items: baseline;
	gap: 12px 16px;
	flex-wrap: wrap;
	margin-bottom: 20px;
}

.collection__title {
	margin-right: auto;
}

.collection__count {
	flex-shrink: 0;
	padding: 4px 12px;
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, 0.1);
}

.collection__desc {
	flex-basis: 100%;
}

.collection__row {
	display: grid;
	grid-template-columns: repeat(6, 1fr);
	gap: 16px;
}

.collection-card {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.collection-card__cover {
	aspect-ratio: 16 / 9;
	overflow: hidden;
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: #121212;
}

.collection-card__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.collection-card:hover .collection-card__img {
	transform: scale(1.05);
}

.collection-card__placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #232323, #161616);
}

.collection-card__placeholder span {
	font-size: 36px;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.15);
}

.collection-card__name {
	line-height: 130%;
	transition: color 0.2s ease;
}

.collection-card:hover .collection-card__name {
	color: var(--accent);
}

/* ---------------------------------- lightbox ---------------------------------- */

.lightbox {
	position: fixed;
	inset: 0;
	z-index: 100;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(0, 0, 0, 0.92);
	-webkit-backdrop-filter: blur(8px);
	backdrop-filter: blur(8px);
}

.lightbox[hidden] {
	display: none;
}

.lightbox__figure {
	display: flex;
	flex-direction: column;
	align-items: center;
	max-width: calc(100vw - 160px);
	max-height: calc(100vh - 140px);
}

.lightbox__img {
	max-width: 100%;
	max-height: calc(100vh - 200px);
	border-radius: 12px;
	object-fit: contain;
	box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

.lightbox__caption {
	margin-top: 14px;
	max-width: 640px;
	color: var(--gray-1);
	font-size: 14px;
	text-align: center;
}

.lightbox__btn {
	position: absolute;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	border: 1px solid rgba(255, 255, 255, 0.15);
	background: rgba(13, 13, 13, 0.7);
	color: var(--white);
	font-size: 20px;
	line-height: 1;
	cursor: pointer;
	transition: background-color 0.2s ease;
}

.lightbox__btn:hover {
	background: rgba(255, 68, 0, 0.4);
}

.lightbox__close {
	top: 20px;
	right: 20px;
	font-size: 22px;
}

.lightbox__counter {
	position: absolute;
	top: 26px;
	left: 50%;
	transform: translateX(-50%);
	color: var(--gray-1);
	font-size: 14px;
}

.lightbox__prev {
	left: 20px;
	top: 50%;
	transform: translateY(-50%);
}

.lightbox__next {
	right: 20px;
	top: 50%;
	transform: translateY(-50%);
}

/* ---------------------------------- activity grid ---------------------------------- */

.activity {
	--cell: 12px;
	--gap: 3px;
	--weekday-w: 26px;
}

.activity__grid {
	display: grid;
	grid-template-rows: 20px repeat(7, var(--cell));
	grid-auto-rows: var(--cell);
	grid-template-columns: var(--weekday-w) repeat(53, var(--cell));
	column-gap: var(--gap);
	row-gap: var(--gap);
	width: fit-content;
	max-width: 100%;
	margin: 0 auto;
	overflow-x: auto;
	padding-bottom: 4px;
}

.activity__month {
	align-self: center;
	font-size: 11px;
	color: var(--gray-1);
	white-space: nowrap;
}

.activity__weekday {
	align-self: center;
	font-size: 10px;
	color: var(--gray-1);
	white-space: nowrap;
}

.activity__cell {
	width: var(--cell);
	height: var(--cell);
	border-radius: 3px;
	background: rgba(255, 255, 255, 0.06);
	border: 1px solid rgba(255, 255, 255, 0.04);
}

.activity__cell_lvl1 {
	background: rgba(255, 68, 0, 0.25);
	border-color: rgba(255, 68, 0, 0.25);
}

.activity__cell_lvl2 {
	background: rgba(255, 68, 0, 0.45);
	border-color: rgba(255, 68, 0, 0.45);
}

.activity__cell_lvl3 {
	background: rgba(255, 68, 0, 0.7);
	border-color: rgba(255, 68, 0, 0.7);
}

.activity__cell_lvl4 {
	background: var(--accent);
	border-color: var(--accent);
}

.activity__footer {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 16px;
	flex-wrap: wrap;
	max-width: 800px;
	margin: 32px auto 0;
}

.activity__legend {
	display: flex;
	align-items: center;
	gap: 8px;
}

.activity__legend-scale {
	display: flex;
	gap: var(--gap);
}

.activity__legend-scale .activity__cell {
	width: 10px;
	height: 10px;
}

/* ---------------------------------- responsive ---------------------------------- */

@media screen and (max-width: 1200px) {
	.header__wrapper {
		margin: 0 -32px;
	}

	.footer-old {
		padding-top: 40px;
	}

	.footer-old__wrapper {
		flex-direction: column-reverse;
		align-items: center;
		text-align: center;
		gap: 20px;
	}
}

@media screen and (max-width: 1024px) {
	.container {
		padding: 0 48px;
	}

	.btn {
		padding: 10px 24px;
		border-radius: 16px;
	}

	.header__wrapper {
		margin: 0 -16px;
		padding: 16px;
		padding-right: 24px;
		border-radius: 24px;
	}

	.header__logo {
		height: 32px;
	}

	.text-56 {
		font-size: 40px;
		line-height: 100%;
	}

	.text-36 {
		font-size: 26px;
		line-height: 130%;
	}

	.text-28 {
		font-size: 20px;
		line-height: 140%;
	}

	.text-24 {
		font-size: 16px;
		line-height: 140%;
	}

	.text-20 {
		font-size: 16px;
		line-height: 140%;
	}

	.text-18 {
		font-size: 16px;
		line-height: 140%;
	}

	.text-12 {
		font-size: 12px;
		line-height: 140%;
	}

	.content h2 {
		font-size: 26px;
		line-height: 130%;
	}

	.content h2:not(:first-child) {
		margin-top: 32px;
	}

	.content h2:not(:last-child) {
		margin-bottom: 16px;
	}

	.vacancy-page__bg img:nth-child(1) {
		left: -15%;
		right: unset;
	}
}

@media screen and (max-width: 768px) {
	html {
		scroll-padding-top: 120px;
	}

	.section {
		padding: 60px 0;
	}

	.section-anim {
		-webkit-backdrop-filter: blur(12px);
		backdrop-filter: blur(12px);
	}

	.main {
		padding-top: 80px;
	}

	.header__menu-btn {
		width: 40px;
		height: 40px;
	}

	.container {
		padding: 0 16px;
	}

	.header {
		top: 16px;
	}

	.header__wrapper {
		margin: 0;
	}

	.vacancy-entrance {
		margin-top: -80px;
		padding-top: 140px;
	}

	.vacancy-entrance__title {
		margin-bottom: 16px;
	}

	.vacancy-entrance__btn {
		margin-top: 30px;
	}

	.vacancy-entrance__wrapper {
		min-height: calc(100svh - 200px);
	}

	.vacancy-entrance__ticker:nth-child(n + 8) {
		display: none;
	}

	.completed__wrapper {
		padding: 60px 0;
	}

	.completed__title {
		margin-bottom: 16px;
	}

	.completed__subtitle {
		margin-bottom: 32px;
	}

	.completed__list {
		max-width: 500px;
		gap: 8px;
	}

	.completed__item {
		max-width: 100%;
	}

	.completed__item:nth-child(odd) {
		margin-left: 0;
		margin-right: auto;
	}

	.completed__item:nth-child(even) {
		margin-right: 0;
		margin-left: auto;
	}

	.vacancy__bg {
		width: auto;
		height: 150%;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		opacity: 0.8;
	}

	.vacancy__bg img {
		width: auto;
	}

	.vacancy-page__bg img {
		width: 130% !important;
		min-width: 0;
	}

	.vacancy-page__bg img:nth-child(1) {
		left: -25%;
	}

	.article-block__wrapper {
		flex-direction: column;
		gap: 32px;
	}

	.article-block__img {
		width: 100%;
	}

	.about-feature__cover {
		width: 220px;
	}

	.app-preview__frame {
		height: 560px;
	}

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

	.graph__canvas {
		height: 380px;
	}

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

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

	.article-nav__list {
		grid-template-columns: repeat(2, 1fr);
	}

	.activity {
		--cell: 10px;
		--gap: 2px;
		--weekday-w: 22px;
	}

	.vk-cta {
		padding: 32px 16px;
	}

	.vk-cta__list {
		flex-direction: column;
		gap: 8px;
	}
}

@media screen and (max-width: 570px) {
	.header .nav__label {
		margin-top: 170px;
	}

	.header-open .header .nav {
		max-height: 620px;
	}

	.vacancy__link {
		padding: 16px;
	}

	.vacancy__caret {
		top: 16px;
		right: 16px;
		width: 16px;
		height: 16px;
	}

	.vacancy__caret svg {
		width: 100%;
		height: 100%;
	}

	.vacancy__heading {
		margin-bottom: 40px;
		gap: 24px;
	}

	.vacancy-entrance__title {
		font-size: 30px;
	}

	.vacancy-entrance__title span {
		display: inline;
	}

	.vacancy-entrance__desc {
		line-height: 125%;
	}

	.vacancy-page__wrapper {
		padding-top: 0;
		padding-bottom: 20px;
	}

	.about-feature {
		flex-direction: column;
		gap: 16px;
		padding: 16px;
	}

	.about-feature__cover {
		width: 100%;
	}

	.about-feature__body {
		padding: 0;
	}

	.vacancy-page__content {
		margin-top: 32px;
	}

	.graph {
		border-radius: 20px;
	}

	.graph__canvas {
		height: 320px;
	}

	.graph__hint {
		display: none;
	}

	.graph__controls {
		right: 12px;
		bottom: 12px;
	}

	.tiles {
		grid-template-columns: 1fr;
		gap: 16px;
	}

	.tiles-controls {
		margin-top: 28px;
	}

	.tiles-sort {
		width: 100%;
	}

	.sort-btn {
		flex: 1;
	}

	.collection__row {
		grid-template-columns: repeat(2, 1fr);
		gap: 12px;
	}

	.article-nav__list {
		grid-template-columns: 1fr;
	}

	.lightbox__figure {
		max-width: calc(100vw - 40px);
	}

	.lightbox__prev {
		left: 10px;
	}

	.lightbox__next {
		right: 10px;
	}

	.gallery {
		grid-template-columns: 1fr;
		gap: 8px;
	}

	.activity {
		--cell: 8px;
		--weekday-w: 18px;
	}

	.activity__grid {
		grid-template-rows: 16px repeat(7, var(--cell));
	}

	.activity__footer {
		justify-content: center;
	}
}

@media screen and (max-width: 420px) {
	.header__top {
		gap: 8px;
	}

	.header__logo span {
		font-size: 18px;
		line-height: 120%;
	}

	.header__btn {
		display: none;
	}

	.vacancy-entrance__ticker {
		display: none;
	}
}

/* ---------------------------------- custom cursor ---------------------------------- */

html.has-custom-cursor,
html.has-custom-cursor * {
	cursor: none !important;
}

.cursor-dot,
.cursor-ring {
	position: fixed;
	top: 0;
	left: 0;
	pointer-events: none;
	z-index: 9999;
	opacity: 0;
	transition: opacity 0.3s ease;
	will-change: transform;
}

.cursor-dot {
	width: 0;
	height: 0;
}

.cursor-dot::after {
	content: "";
	display: block;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--accent);
	transform: translate(-4px, -4px) scale(var(--s, 1));
	transition: transform 0.18s ease;
	box-shadow: 0 0 12px rgba(255, 68, 0, 0.55);
}

.cursor-dot_active {
	--s: 0.55;
}

.cursor-ring {
	width: 0;
	height: 0;
}

.cursor-ring::after {
	content: "";
	display: block;
	width: 36px;
	height: 36px;
	border: 1.5px solid rgba(255, 68, 0, 0.6);
	border-radius: 50%;
	transform: translate(-18px, -18px) scale(var(--s, 1));
	transition: transform 0.22s ease, border-color 0.22s ease;
}

.cursor-ring_hover {
	--s: 1.65;
}

.cursor-ring_hover::after {
	border-color: rgba(255, 255, 255, 0.75);
}

@media (pointer: coarse) {
	.cursor-dot,
	.cursor-ring {
		display: none;
	}
}

/* ---------------------------------- accessibility ---------------------------------- */

/* ---------------------------------- accessibility ---------------------------------- */

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}
}