:root {
	--bg-base: #0f1222;
	--bg-footer: #229141;
	--text: #ffffff;
	--text-muted: rgba(255, 255, 255, 0.9);
	--focus-ring: #8be4a6;
	--content-width: min(92vw, 1120px);
	--radius-md: 14px;
	--shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.35);
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	min-height: 100%;
}

body {
	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
	color: var(--text);
	background-color: var(--bg-base);
}

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

.site-shell {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	background:
		linear-gradient(180deg, rgba(15, 18, 34, 0.2) 0%, rgba(15, 18, 34, 0.95) 82%),
		url("../img/background.png") center top / cover no-repeat,
		var(--bg-base);
}

.wrapper {
	width: var(--content-width);
	margin-inline: auto;
}

.site-header {
	padding-top: clamp(1rem, 2.5vw, 1.8rem);
}

.brand {
	width: clamp(12rem, 28vw, 18rem);
}

.content {
	padding-top: clamp(1.25rem, 3vw, 3rem);
	padding-bottom: clamp(3rem, 8vw, 6rem);
}

.intro {
	display: grid;
	gap: clamp(1.5rem, 3vw, 2.5rem);
	justify-items: center;
}

.help-image {
	width: min(100%, 880px);
}

.help-image.mobile {
	display: none;
}

.intro-text {
	width: min(100%, 860px);
	text-wrap: pretty;
}

.intro-text p {
	margin: 0;
	text-align: center;
	color: var(--text-muted);
	font-size: clamp(1.05rem, 1.15vw + 0.85rem, 1.4rem);
	line-height: 1.55;
}

.intro-text p + p {
	margin-top: 1rem;
}

.video-trigger {
	border: 0;
	padding: 0;
	font: inherit;
	color: var(--text);
	background: none;
	text-decoration: underline;
	text-decoration-thickness: 2px;
	text-underline-offset: 0.18em;
	cursor: pointer;
}

.video-trigger:hover {
	opacity: 0.9;
}

.video-trigger:focus-visible,
.partner:focus-visible,
.video-modal-close:focus-visible {
	outline: 3px solid var(--focus-ring);
	outline-offset: 3px;
}

.partners {
	margin-top: clamp(1.2rem, 4vw, 2.75rem);
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: clamp(1rem, 3vw, 2.5rem);
}

.partner {
	display: grid;
	place-items: center;
	border-radius: var(--radius-md);
	padding: clamp(0.5rem, 1vw, 0.75rem);
	transition: transform 0.24s ease, filter 0.24s ease;
}

.partner img {
	width: min(100%, 159px);
}

.partner:hover {
	transform: translateY(-2px) scale(1.06);
	filter: brightness(1.04);
}

.site-footer {
	margin-top: auto;
	background-color: var(--bg-footer);
	min-height: clamp(168px, 22vw, 232px);
	display: grid;
	align-items: center;
}

.footer-inner {
	display: grid;
	justify-items: center;
	gap: clamp(0.75rem, 2.4vw, 1.35rem);
	padding-block: clamp(0.9rem, 2.8vw, 1.5rem);
	text-align: center;
}

.footer-brand {
	height: clamp(60px, 10vw, 92px);
	width: auto;
	max-width: min(58vw, 210px);
}

.footer-text {
	margin: 0;
	font-size: 0.75rem;
	letter-spacing: 0.03em;
}

.video-modal {
	width: min(92vw, 1100px);
	border: 0;
	border-radius: 12px;
	padding: 0.75rem;
	background: #000;
	box-shadow: var(--shadow-soft);
}

.video-modal::backdrop {
	background: rgba(5, 8, 18, 0.82);
	backdrop-filter: blur(3px);
}

.video-modal-close-wrap {
	display: flex;
	justify-content: flex-end;
	margin: 0;
}

.video-modal-close {
	border: 0;
	width: 2rem;
	height: 2rem;
	border-radius: 999px;
	display: grid;
	place-items: center;
	font-size: 1.5rem;
	line-height: 1;
	cursor: pointer;
	color: #fff;
	background: rgba(255, 255, 255, 0.15);
}

.video-frame-wrap {
	width: 100%;
	aspect-ratio: 16 / 9;
}

.video-frame-wrap iframe {
	width: 100%;
	height: 100%;
	border: 0;
}

@media (max-width: 920px) {
	.partners {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.intro-text p {
		line-height: 1.5;
	}
}

@media (max-width: 680px) {
	.site-shell {
		background:
			linear-gradient(180deg, rgba(15, 18, 34, 0.2) 0%, rgba(15, 18, 34, 0.95) 82%),
			url("../img/background.png") center top / cover no-repeat,
			var(--bg-base);
	}

	.help-image.desktop {
		display: none;
	}

	.help-image.mobile {
		display: block;
		width: min(100%, 560px);
	}

	.partners {
		gap: 0.85rem;
	}

	.video-modal {
		padding: 0.5rem;
	}
}