/* Reset */
*,
*::before,
*::after {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

/* Base styles */
:root {
	--bg-color: #e0e5ec;
	--shadow-color-dark: #a3b1c6;
	--shadow-color-light: #ffffff;
	--text-color: #4a5568;
	--button-color: #6b7280;
}

body {
	font-family: 'Roboto Mono', monospace;
	background-color: var(--bg-color);
	color: var(--text-color);
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

main {
	max-width: 800px;
	margin: 0 auto;
	width: 100%;
	padding: 2rem;
}

header {
	text-align: center;
	padding: 2rem;
}

h1 {
	font-size: 2.5rem;
	font-weight: 300;
	margin-bottom: 0.5rem;
}

h2 {
	font-size: 1.2rem;
	font-weight: 400;
	color: var(--button-color);
}

/* Counter container */
main>div {
	background: var(--bg-color);
	border-radius: 20px;
	padding: 3rem;
	box-shadow: 8px 8px 16px var(--shadow-color-dark),
		-8px -8px 16px var(--shadow-color-light);
	text-align: center;
}

/* Counter number */
#count {
	font-size: 6rem;
	font-weight: 300;
	margin-bottom: 2rem;
}

/* Button styles */
#incrementBtn {
	font-family: 'Raleway', sans-serif;
	font-size: 2rem;
	padding: 1rem 4rem;
	border: none;
	border-radius: 12px;
	background: var(--bg-color);
	color: var(--button-color);
	cursor: pointer;
	box-shadow: 6px 6px 12px var(--shadow-color-dark),
		-6px -6px 12px var(--shadow-color-light);
}

#incrementBtn:active {
	box-shadow: inset 4px 4px 8px var(--shadow-color-dark),
		inset -4px -4px 8px var(--shadow-color-light);
}

/* Responsive adjustments */
@media (max-width: 600px) {
	main>div {
		padding: 2rem;
	}

	#count {
		font-size: 4rem;
	}

	#incrementBtn {
		font-size: 2rem;
		padding: 1rem 2rem;
	}
}