:root {
	color-scheme: light dark;
	--bg: #ffffff;
	--fg: #111827;
	--muted: #6b7280;
	--border: #e5e7eb;
	--accent: #2f7d32;
	--accent-fg: #ffffff;
	--card: #f9fafb;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #0b0f14;
		--fg: #f3f4f6;
		--muted: #9ca3af;
		--border: #1f2937;
		--accent: #4ade80;
		--accent-fg: #08110a;
		--card: #111827;
	}
}

* { box-sizing: border-box; }

html, body {
	margin: 0;
	padding: 0;
	background: var(--bg);
	color: var(--fg);
	font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}

.container {
	max-width: 760px;
	margin: 0 auto;
	padding: 48px 24px 64px;
}

.container.narrow {
	max-width: 520px;
}

.hero {
	text-align: center;
	margin-bottom: 40px;
}

h1 {
	font-size: clamp(2rem, 5vw, 3rem);
	margin: 0 0 12px;
	letter-spacing: -0.02em;
}

.tagline {
	color: var(--muted);
	font-size: 1.125rem;
	margin: 0;
}

.features {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 16px;
	margin: 40px 0;
}

.feature {
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 14px;
	padding: 20px;
}

.feature h3 {
	margin: 0 0 6px;
	font-size: 1rem;
}

.feature p {
	margin: 0;
	color: var(--muted);
	font-size: 0.95rem;
}

.actions {
	display: flex;
	flex-direction: column;
	gap: 12px;
	margin: 32px 0;
}

.button {
	display: block;
	text-align: center;
	padding: 14px 20px;
	border-radius: 999px;
	text-decoration: none;
	font-weight: 600;
	border: 1px solid var(--border);
	color: var(--fg);
	background: var(--card);
	transition: transform 0.08s ease, opacity 0.15s ease;
}

.button:hover { opacity: 0.92; }
.button:active { transform: scale(0.99); }

.button.primary {
	background: var(--accent);
	color: var(--accent-fg);
	border-color: transparent;
}

.hint {
	color: var(--muted);
	font-size: 0.95rem;
	text-align: center;
}

footer {
	margin-top: 48px;
	text-align: center;
	color: var(--muted);
	font-size: 0.85rem;
}