* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

body {
	font-family:
		system-ui,
		-apple-system,
		BlinkMacSystemFont,
		"Segoe UI",
		Roboto,
		Oxygen,
		Ubuntu,
		Cantarell,
		sans-serif;
	line-height: 1.6;
	color: #2b2d42;
	background-color: #f8f9fa;
	padding: 2rem 1rem;
}

main {
	max-width: 768px;
	margin: 0 auto;
	background: #ffffff;
	padding: 2.5rem;
	border-radius: 12px;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

h1 {
	font-size: 2rem;
	margin-bottom: 1.5rem;
	color: #1a1a1a;
	font-family:
		system-ui,
		-apple-system,
		BlinkMacSystemFont,
		"Segoe UI",
		Roboto,
		Oxygen,
		Ubuntu,
		Cantarell,
		sans-serif;
	border-bottom: 2px solid #e9ecef;
	padding-bottom: 0.5rem;
}

h2 {
	font-size: 1.25rem;
	margin-top: 2rem;
	margin-bottom: 0.75rem;
	color: #2b2d42;
}

h3 {
	font-size: 1.1rem;
	margin-top: 1.5rem;
	margin-bottom: 0.5rem;
	color: gray;
}

p {
	margin-bottom: 1rem;
	color: gray;
}

section {
	margin-bottom: 1.5rem;
}

a {
	color: blue;
	text-decoration: none;
	transition: color 0.2s ease;
}

a:hover {
	color: blue;
	text-decoration: underline;
}

code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
	background-color: #f1f5f9;
	padding: 0.2rem 0.4rem;
	border-radius: 4px;
	font-size: 0.9em;
	color: #0f172a;
}

@media (max-width: 600px) {
	body {
		padding: 1rem 0.5rem;
	}

	main {
		padding: 1.5rem 1rem;
	}

	h1 {
		font-size: 1.6rem;
	}
}