:root {
	--bg: #070B14;
	--bg-panel: #0C1424;
	--glow: #17335A;
	--text: #EAF3FF;
	--text-legal: #D9E9FB;
	--text-soft: #A8C4E0;
	--accent: #4EA8F5;
	--accent-light: #A8DCFF;
	--green: #57D98C;
	--green-light: #B6F5CE;
	--amber: #E8B85C;
	--red: #E46A6A;
	--edge: rgba(168, 220, 255, 0.20);
	--edge-strong: rgba(168, 220, 255, 0.36);
	--shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
	--image-shadow: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.45));
	--sheen: inset 0 1px 0 rgba(255, 255, 255, 0.14);
	--section-space: 42px;
	--control-height: 38px;
	--radius: 9px;
	--container: 1080px;
	--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
	scroll-behavior: smooth;
	color-scheme: dark;
}

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}

body {
	margin: 0;
	background-color: var(--bg);
	background-image:
		radial-gradient(900px 520px at 12% -8%, rgba(23, 51, 90, 0.85), rgba(7, 11, 20, 0) 70%),
		radial-gradient(760px 460px at 92% 4%, rgba(23, 51, 90, 0.55), rgba(7, 11, 20, 0) 72%);
	background-repeat: no-repeat;
	color: var(--text);
	font-family: var(--font);
	font-size: 17px;
	line-height: 1.65;
	-webkit-text-size-adjust: 100%;
	
	-webkit-user-select: none;
	user-select: none;
}

h1,
h2,
h3 {
	margin: 0;
	line-height: 1.2;
	letter-spacing: -0.01em;
}

p {
	margin: 0 0 9px;
}

a {
	color: var(--accent-light);
}

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

:focus-visible {
	outline: 2px solid var(--accent-light);
	outline-offset: 3px;
	border-radius: 4px;
}

.container {
	width: 100%;
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 20px;
}

.content {
	min-height: 60vh;
}

.section {
	padding: var(--section-space) 0;
}

.section--page-head {
	padding-top: 37px;
	padding-bottom: 16px;
}

.section--legal {
	padding-top: 8px;
}

.section__title {
	font-size: clamp(1.5rem, 3.2vw, 2rem);
	margin-bottom: 7px;
}

.section__intro {
	color: var(--text-soft);
	max-width: 68ch;
}

.section__link {
	margin: var(--section-space) 0 0;
	text-align: center;
}

.skip-link {
	position: fixed;
	left: -9999px;
	top: 0;
	z-index: 20;
	padding: 12px 18px;
	background: var(--bg-panel);
	border: 1px solid var(--edge-strong);
	border-radius: 0 0 9px 0;
}

.skip-link:focus {
	left: 0;
}

.header {
	position: sticky;
	top: 0;
	z-index: 10;
	background: rgba(7, 11, 20, 0.82);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--edge);
}

.header__bar {
	display: flex;
	align-items: center;
	gap: 16px;
	min-height: 70px;
	flex-wrap: wrap;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	margin-right: auto;
	color: var(--text);
	text-decoration: none;
}

.brand__icon {
	filter: var(--image-shadow);
}

.brand__name {
	font-weight: 650;
	letter-spacing: -0.01em;
}

.navigation__list {
	display: flex;
	gap: 4px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.navigation__link {
	display: inline-flex;
	align-items: center;
	height: var(--control-height);
	padding: 0 13px;
	border-radius: 9px;
	color: var(--text-soft);
	text-decoration: none;
	border: 1px solid transparent;
}

.navigation__link:hover {
	color: var(--text);
	background: rgba(78, 168, 245, 0.10);
}

.navigation__link--active {
	color: var(--text);
	border-color: var(--edge);
	background: rgba(78, 168, 245, 0.14);
}

.header__actions {
	display: flex;
	align-items: center;
}

.menu-button {
	display: none;
	order: 3;
	flex-direction: column;
	justify-content: center;
	gap: 4px;
	width: 42px;
	height: var(--control-height);
	padding: 0 10px;
	background: rgba(78, 168, 245, 0.10);
	border: 1px solid var(--edge);
	border-radius: 9px;
	cursor: pointer;
}

.menu-button__bar {
	display: block;
	height: 2px;
	background: var(--text);
	border-radius: 2px;
}

.button {
	display: inline-flex;
	align-items: center;
	gap: 9px;
	padding: 14px 22px;
	border-radius: 9px;
	border: 1px solid var(--edge-strong);
	background: rgba(78, 168, 245, 0.12);
	color: var(--text);
	font: inherit;
	font-weight: 600;
	text-decoration: none;
	transition: transform 0.15s ease, background 0.15s ease;
}

.button:hover {
	background: rgba(78, 168, 245, 0.20);
	transform: translateY(-1px);
}

.button--large {
	padding: 17px 34px;
	font-size: 1.08rem;
}

.play-button {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	padding: 9px 20px 9px 16px;
	border: 1px solid #A6A6A6;
	border-radius: 9px;
	background: #000000;
	color: #FFFFFF;
	text-decoration: none;
	box-shadow: var(--shadow);
	transition: border-color 0.15s ease, transform 0.15s ease;
}

.play-button:hover {
	border-color: #FFFFFF;
	transform: translateY(-1px);
}

.play-button__logo {
	width: 30px;
	height: 32px;
	flex: none;
}

.play-button__text {
	display: flex;
	flex-direction: column;
	line-height: 1.15;
}

.play-button__before {
	font-size: 0.7rem;
	color: #D7D7D7;
}

.play-button__name {
	font-size: 1.05rem;
	font-weight: 600;
	white-space: nowrap;
}

.play-button--compact {
	gap: 8px;
	height: var(--control-height);
	padding: 0 14px;
	border-radius: 8px;
}

.play-button--compact .play-button__logo {
	width: 19px;
	height: 20px;
}

.play-button--compact .play-button__name {
	font-size: 0.92rem;
}

.link {
	color: var(--accent-light);
	font-weight: 600;
	text-decoration: underline;
	text-underline-offset: 3px;
}

.hero {
	padding: 48px 0 32px;
}

.hero__grid {
	display: grid;
	gap: 40px;
	grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
	align-items: center;
}

.badge {
	display: inline-block;
	margin-bottom: 11px;
	padding: 6px 12px;
	border-radius: 9px;
	border: 1px solid var(--edge);
	background: rgba(78, 168, 245, 0.12);
	color: var(--accent-light);
	font-size: 0.85rem;
	font-weight: 600;
	letter-spacing: 0.01em;
}

.hero__title {
	font-size: clamp(2.6rem, 7vw, 4rem);
	margin-bottom: 12px;
	color: var(--text);
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
	.hero__title {
		background-image: linear-gradient(180deg, #FFFFFF, var(--accent-light));
		-webkit-background-clip: text;
		background-clip: text;
		color: transparent;
	}
}

@media (forced-colors: active) {
	.hero__title {
		background-image: none;
		color: CanvasText;
	}
}

.hero__tagline {
	font-size: clamp(1.2rem, 2.6vw, 1.55rem);
	color: var(--text);
	margin-bottom: 14px;
}

.hero__lead {
	color: var(--text-soft);
	max-width: 56ch;
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px;
	margin: 17px 0 11px;
}

.hero__actions .button,
.hero__actions .play-button {
	height: 52px;
}

.hero__note {
	color: var(--text-soft);
	font-size: 0.92rem;
	margin: 0;
}

.hero__visual {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 19px;
}

.hero__icon {
	width: min(224px, 56%);
	height: auto;
	filter: var(--image-shadow);
}

.hero__chat {
	width: min(268.8px, 67.2%);
	height: auto;
	filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.55));
	animation: float 7s ease-in-out infinite;
}

@keyframes float {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(-10px); }
}

.grid {
	display: grid;
	gap: 12px;
	margin-top: 17px;
	padding: 0;
	list-style: none;
}

.grid--three {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--two {
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	margin-top: 0;
}

.card {
	padding: 15px 22px;
	border-radius: var(--radius);
	border: 1px solid var(--edge);
	background: linear-gradient(180deg, rgba(30, 58, 102, 0.55), rgba(10, 18, 36, 0.78));
	box-shadow: var(--shadow), var(--sheen);
}

.card__title {
	font-size: 1.1rem;
	color: var(--accent-light);
	margin-bottom: 5px;
}

.card__text {
	color: var(--text-soft);
	margin: 0;
}

.text {
	color: var(--text-legal);
}

.panel {
	display: grid;
	gap: 20px;
	grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
	padding: 20px 30px;
	border-radius: 9px;
	border: 1px solid var(--edge);
	background: linear-gradient(180deg, rgba(30, 58, 102, 0.48), rgba(10, 18, 36, 0.78));
	box-shadow: var(--shadow), var(--sheen);
}

.panel .section__title {
	font-size: 1.35rem;
}

.bullets {
	margin: 0;
	padding: 0;
	list-style: none;
}

.bullets__item {
	position: relative;
	padding-left: 22px;
	margin-bottom: 7px;
	color: var(--text-legal);
}

.bullets__item::before {
	content: "";
	position: absolute;
	left: 2px;
	top: 0.62em;
	width: 8px;
	height: 8px;
	border-radius: 2px;
	background: linear-gradient(180deg, var(--green-light), var(--green));
}

.section--features {
	padding-bottom: 0;
}

.section--call {
	padding-bottom: 60px;
}

.callout {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 20px 30px;
	border-radius: 9px;
	border: 1px solid var(--edge-strong);
	background:
		radial-gradient(420px 200px at 12% 0%, rgba(78, 168, 245, 0.22), rgba(7, 11, 20, 0) 70%),
		linear-gradient(180deg, rgba(30, 58, 102, 0.62), rgba(10, 18, 36, 0.85));
	box-shadow: var(--shadow), var(--sheen);
}

.callout__title {
	font-size: clamp(1.4rem, 3vw, 1.8rem);
	margin-bottom: 6px;
}

.callout__lead {
	color: var(--text-soft);
	margin: 0;
}

.page-title {
	font-size: clamp(2rem, 5vw, 2.9rem);
	margin-bottom: 8px;
}

.page-title__intro {
	color: var(--text-soft);
	max-width: 66ch;
}

.page-title__updated {
	color: var(--text-soft);
	font-size: 0.92rem;
}

.page-title__actions {
	margin: 26px 0 0;
}

.legal {
	max-width: 780px;
}

.legal__title {
	font-size: 1.25rem;
	color: var(--accent-light);
	margin: 23px 0 7px;
}

.legal__title:first-child {
	margin-top: 0;
}

.error {
	display: grid;
	justify-items: center;
	text-align: center;
	padding: 40px 0 80px;
}

.error__chat {
	opacity: 0.9;
	margin-bottom: 18px;
}

.footer {
	margin-top: 20px;
	padding: 28px 0 23px;
	border-top: 1px solid var(--edge);
	background: rgba(7, 11, 20, 0.7);
}

.footer__grid {
	display: grid;
	gap: 12px;
}

.footer__brand {
	font-weight: 650;
	margin-bottom: 4px;
}

.footer__note {
	color: var(--text-soft);
	font-size: 0.92rem;
	margin: 0;
}

.footer__links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 22px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.footer__links a {
	color: var(--text-soft);
	text-decoration: underline;
	text-decoration-color: var(--edge-strong);
	text-underline-offset: 3px;
}

.footer__links a:hover {
	color: var(--text);
	text-decoration-color: currentColor;
}

.footer__rights {
	color: var(--text-soft);
	font-size: 0.88rem;
	margin: 0;
}

@media (max-width: 860px) {
	.hero__grid,
	.panel {
		grid-template-columns: minmax(0, 1fr);
	}

	.hero {
		padding-top: 48px;
	}

	.hero__visual {
		order: -1;
		flex-direction: row;
		justify-content: center;
		align-items: center;
		gap: 20px;
	}

	.hero__icon {
		width: min(118px, 34%);
	}

	.hero__chat {
		width: min(141.6px, 40.8%);
	}

	.grid--three {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	:root {
		--section-space: 32px;
	}

	.section {
		padding: var(--section-space) 0;
	}

	.section--features {
		padding-bottom: 0;
	}

	.menu-button {
		display: inline-flex;
		order: 2;
	}

	
	html:not(.js-active) .menu-button {
		display: none;
	}

	.header__actions {
		order: 3;
	}

	.navigation {
		order: 4;
		flex-basis: 100%;
	}

	.navigation__list {
		flex-direction: column;
		gap: 2px;
		padding-bottom: 12px;
	}

	.navigation__link {
		padding: 0 13px;
	}

	html.js-active .navigation {
		display: none;
	}

	html.js-active .navigation--open {
		display: block;
	}
}

@media (max-width: 520px) {
	body {
		font-size: 16px;
	}

	.play-button {
		gap: 10px;
		padding: 8px 16px 8px 13px;
	}

	.button--large {
		padding: 15px 24px;
	}

	.play-button__name {
		font-size: 1rem;
	}

	.callout {
		padding: 16px 24px;
	}

	.panel {
		padding: 15px 22px;
	}

	.grid--three {
		grid-template-columns: minmax(0, 1fr);
	}
}

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

	*,
	*::before,
	*::after {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
	}
}