:root {
	color-scheme: dark;
	font-family: Lexend, Atkinson Hyperlegible, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	background: #07172f;
	color: #f7fbff;
	font-synthesis: none;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-width: 320px;
	min-height: 100vh;
	background:
		radial-gradient(circle at 18% 18%, rgb(0 184 217 / 20%), transparent 34rem),
		radial-gradient(circle at 82% 78%, rgb(112 77 255 / 18%), transparent 30rem),
		#07172f;
}

main {
	display: grid;
	min-height: calc(100vh - 4rem);
	place-items: center;
	padding: 2rem 1rem;
}

.card {
	width: min(100%, 47rem);
	padding: clamp(2rem, 6vw, 4.5rem);
	border: 1px solid rgb(173 229 255 / 28%);
	border-radius: 1.5rem;
	background: rgb(8 31 61 / 82%);
	box-shadow: 0 2rem 5rem rgb(0 0 0 / 32%);
	backdrop-filter: blur(1rem);
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	color: #8eeaff;
	font-size: clamp(1.35rem, 4vw, 1.75rem);
	font-weight: 750;
	letter-spacing: -0.04em;
	text-decoration: none;
}

.brand-primary {
	color: #f7fbff;
}

.brand-accent {
	color: #76e7ff;
}

.eyebrow {
	margin: 3.5rem 0 0.75rem;
	color: #8eeaff;
	font-size: 0.875rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}

h1 {
	max-width: 14ch;
	margin: 0;
	font-size: clamp(2.4rem, 8vw, 4.75rem);
	line-height: 1.02;
	letter-spacing: -0.055em;
}

.intro {
	max-width: 38rem;
	margin: 1.5rem 0 0;
	color: #e1f2ff;
	font-size: clamp(1.05rem, 2.5vw, 1.25rem);
	line-height: 1.7;
}

.english {
	margin: 0.75rem 0 0;
	color: #b9d3e9;
	line-height: 1.6;
}

.button {
	display: inline-flex;
	min-height: 3rem;
	align-items: center;
	justify-content: center;
	margin-top: 2rem;
	padding: 0.75rem 1.15rem;
	border: 2px solid #8eeaff;
	border-radius: 0.65rem;
	background: #8eeaff;
	color: #07172f;
	font-weight: 750;
	text-decoration: none;
}

.button:hover {
	background: #c7f5ff;
}

a:focus-visible {
	outline: 3px solid #fff;
	outline-offset: 4px;
}

footer {
	height: 4rem;
	padding: 1rem;
	color: #b9d3e9;
	text-align: center;
}

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
	}
}