:root {
	--ink: #0b1f1c;
	--ink-soft: #14332e;
	--mist: #e7f2ef;
	--foam: #f4faf8;
	--accent: #c8f135;
	--accent-ink: #1a2e0a;
	--line: rgba(231, 242, 239, 0.14);
	--muted: rgba(244, 250, 248, 0.72);
	--font-display: "Syne", sans-serif;
	--font-body: "Manrope", sans-serif;
}

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

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

body {
	color: var(--foam);
	font-family: var(--font-body);
	background: var(--ink);
	overflow-x: hidden;
}

.atmosphere {
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	background:
		radial-gradient(120% 80% at 10% 0%, #1f4d44 0%, transparent 55%),
		radial-gradient(90% 70% at 90% 20%, #0f3a52 0%, transparent 50%),
		linear-gradient(165deg, var(--ink) 0%, var(--ink-soft) 48%, #071412 100%);
}

.atmosphere__wash {
	position: absolute;
	inset: -20%;
	background:
		radial-gradient(closest-side at 70% 75%, rgba(200, 241, 53, 0.12), transparent 70%),
		radial-gradient(closest-side at 20% 60%, rgba(120, 200, 180, 0.1), transparent 65%);
	animation: drift 18s ease-in-out infinite alternate;
}

.atmosphere__grid {
	position: absolute;
	inset: 0;
	opacity: 0.22;
	background-image:
		linear-gradient(var(--line) 1px, transparent 1px),
		linear-gradient(90deg, var(--line) 1px, transparent 1px);
	background-size: 72px 72px;
	mask-image: linear-gradient(to bottom, black 35%, transparent 92%);
	transform: perspective(600px) rotateX(58deg) scale(1.35);
	transform-origin: center 10%;
	animation: grid-in 1.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.atmosphere__beam {
	position: absolute;
	top: -10%;
	right: 8%;
	width: min(42vw, 420px);
	height: 120%;
	background: linear-gradient(
		180deg,
		rgba(200, 241, 53, 0.18),
		rgba(200, 241, 53, 0.02) 40%,
		transparent 70%
	);
	filter: blur(8px);
	transform: rotate(18deg);
	animation: beam 12s ease-in-out infinite alternate;
}

.hero {
	position: relative;
	z-index: 1;
	min-height: 100dvh;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	padding: clamp(1.5rem, 4vw, 3rem);
	padding-bottom: clamp(2.5rem, 8vh, 5rem);
	max-width: 56rem;
}

.brand {
	margin: 0 0 1.25rem;
	font-family: var(--font-display);
	font-weight: 800;
	font-size: clamp(2.75rem, 9vw, 5.5rem);
	letter-spacing: -0.06em;
	line-height: 0.9;
	color: var(--mist);
	animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.headline {
	margin: 0 0 1rem;
	max-width: 18ch;
	font-family: var(--font-display);
	font-weight: 700;
	font-size: clamp(1.75rem, 4.5vw, 3rem);
	letter-spacing: -0.035em;
	line-height: 1.05;
	text-transform: lowercase;
	animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.12s both;
}

.lede {
	margin: 0 0 1.75rem;
	max-width: 36rem;
	font-size: clamp(1rem, 2.1vw, 1.2rem);
	line-height: 1.55;
	font-weight: 400;
	color: var(--muted);
	animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.22s both;
}

.cta {
	animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.32s both;
}

.cta__primary {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 3rem;
	padding: 0.85rem 1.35rem;
	border-radius: 0.35rem;
	background: var(--accent);
	color: var(--accent-ink);
	font-weight: 600;
	font-size: 1rem;
	text-decoration: none;
	transition:
		transform 0.2s ease,
		box-shadow 0.2s ease,
		background 0.2s ease;
}

.cta__primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 40px rgba(200, 241, 53, 0.22);
	background: #d6f75a;
}

.cta__primary:focus-visible {
	outline: 2px solid var(--foam);
	outline-offset: 3px;
}

main {
	position: relative;
	z-index: 1;
}

.section {
	padding: clamp(3.5rem, 10vh, 6rem) clamp(1.5rem, 4vw, 3rem);
	max-width: 56rem;
	border-top: 1px solid var(--line);
	background: linear-gradient(180deg, rgba(7, 20, 18, 0.55), rgba(11, 31, 28, 0.92));
	backdrop-filter: blur(6px);
}

.section--close {
	padding-bottom: clamp(4rem, 12vh, 7rem);
}

.section__title {
	margin: 0 0 0.85rem;
	font-family: var(--font-display);
	font-weight: 700;
	font-size: clamp(1.6rem, 3.5vw, 2.25rem);
	letter-spacing: -0.03em;
	line-height: 1.1;
	max-width: 18ch;
}

.section__intro {
	margin: 0 0 2.5rem;
	max-width: 36rem;
	font-size: 1.05rem;
	line-height: 1.55;
	color: var(--muted);
}

.offer {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0;
}

.offer__item {
	padding: 1.5rem 0;
	border-top: 1px solid var(--line);
}

.offer__item:last-child {
	border-bottom: 1px solid var(--line);
}

.offer__name {
	margin: 0 0 0.45rem;
	font-family: var(--font-display);
	font-weight: 700;
	font-size: 1.2rem;
	letter-spacing: -0.02em;
	color: var(--mist);
}

.offer__text {
	margin: 0;
	max-width: 38rem;
	font-size: 1rem;
	line-height: 1.55;
	color: var(--muted);
}

.footer {
	position: relative;
	z-index: 1;
	padding: 1.75rem clamp(1.5rem, 4vw, 3rem) 2.5rem;
	border-top: 1px solid var(--line);
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0.75rem 1.25rem;
	background: #071412;
}

.footer__brand {
	margin: 0;
	font-family: var(--font-display);
	font-weight: 800;
	font-size: 1.15rem;
	letter-spacing: -0.04em;
}

.footer__tag {
	margin: 0;
	font-size: 0.95rem;
	color: var(--muted);
	text-transform: lowercase;
}

@keyframes rise {
	from {
		opacity: 0;
		transform: translateY(18px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes grid-in {
	from {
		opacity: 0;
		transform: perspective(600px) rotateX(58deg) scale(1.5) translateY(40px);
	}
	to {
		opacity: 0.22;
		transform: perspective(600px) rotateX(58deg) scale(1.35) translateY(0);
	}
}

@keyframes drift {
	from {
		transform: translate3d(0, 0, 0) scale(1);
	}
	to {
		transform: translate3d(-2%, 3%, 0) scale(1.05);
	}
}

@keyframes beam {
	from {
		opacity: 0.7;
		transform: rotate(18deg) translateX(0);
	}
	to {
		opacity: 1;
		transform: rotate(18deg) translateX(-3%);
	}
}

@media (prefers-reduced-motion: reduce) {
	.atmosphere__wash,
	.atmosphere__beam,
	.atmosphere__grid,
	.brand,
	.headline,
	.lede,
	.cta {
		animation: none;
	}
}