:root {
	--bg: #0c1014;
	--surface: #161c24;
	--text: #eef2f7;
	--muted: #8a97a8;
	--accent: #0a84ff;
	--accent2: #409cff;
	--radius: 20px;
	--shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
	font-size: clamp(15px, 3.8vw, 17px);
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	min-height: 100dvh;
	min-height: 100vh;
	font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue",
		sans-serif;
	background: var(--bg);
	color: var(--text);
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
	padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom)
		env(safe-area-inset-left);
}

.bg-grid {
	position: fixed;
	inset: 0;
	background: radial-gradient(
			ellipse 120% 80% at 50% -20%,
			rgba(10, 132, 255, 0.18),
			transparent 55%
		),
		radial-gradient(circle at 100% 100%, rgba(64, 156, 255, 0.08), transparent 40%);
	pointer-events: none;
	z-index: 0;
}

.wrap {
	position: relative;
	z-index: 1;
	width: min(100%, 26rem);
	margin: 0 auto;
	padding: clamp(1.25rem, 5vw, 2rem) clamp(1rem, 4vw, 1.25rem) clamp(2rem, 8vw, 3rem);
	display: flex;
	flex-direction: column;
	align-items: stretch;
	min-height: min(100dvh, 100vh);
	justify-content: center;
}

.brand {
	text-align: center;
	margin-bottom: clamp(1.25rem, 4vw, 1.75rem);
}

.brand__icon {
	width: clamp(4rem, 18vw, 4.5rem);
	height: clamp(4rem, 18vw, 4.5rem);
	margin: 0 auto 0.85rem;
	border-radius: 1.1rem;
	background: linear-gradient(160deg, #1e2835, var(--surface));
	border: 1px solid rgba(255, 255, 255, 0.08);
	box-shadow: var(--shadow);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: clamp(1.75rem, 8vw, 2rem);
}

.brand h1 {
	margin: 0;
	font-size: clamp(1.35rem, 5.5vw, 1.6rem);
	font-weight: 700;
	letter-spacing: -0.02em;
}

.banner-safari {
	display: none;
	margin-bottom: 1rem;
	padding: 0.75rem 0.9rem;
	border-radius: 12px;
	font-size: 0.88rem;
	line-height: 1.45;
	color: #ffc9c4;
	background: rgba(255, 69, 58, 0.14);
	border: 1px solid rgba(255, 69, 58, 0.28);
}

.banner-safari.is-visible {
	display: block;
}

.card {
	background: var(--surface);
	border: 1px solid rgba(255, 255, 255, 0.07);
	border-radius: var(--radius);
	padding: clamp(1.1rem, 4vw, 1.35rem);
	box-shadow: var(--shadow);
}

.intro {
	margin: 0 0 1.1rem;
	color: var(--muted);
	font-size: 0.95rem;
	text-align: center;
}

.btn-install {
	display: block;
	width: 100%;
	text-align: center;
	padding: 1rem 1.25rem;
	font-size: 1.05rem;
	font-weight: 600;
	color: #fff;
	text-decoration: none;
	border-radius: 14px;
	background: linear-gradient(180deg, var(--accent2), var(--accent));
	box-shadow: 0 6px 24px rgba(10, 132, 255, 0.35);
	transition: transform 0.12s ease, filter 0.12s ease;
	-webkit-tap-highlight-color: transparent;
}

.btn-install:active {
	transform: scale(0.98);
}

.btn-install:focus-visible {
	outline: 2px solid var(--accent2);
	outline-offset: 3px;
}

.foot-note {
	margin: 1rem 0 0;
	font-size: 0.82rem;
	color: var(--muted);
	text-align: center;
	line-height: 1.5;
}

@media (min-width: 480px) {
	.wrap {
		width: min(100%, 28rem);
	}
}