/* Reset and base styles */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	font-size: 17px;
}

body {
	font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
	line-height: 1.6;
	color: #1a1a1a;
	background: #fafafa;
}

/* Typography */
h1, h2, h3, h4 {
	font-weight: 700;
	line-height: 1.2;
	color: #111;
	margin-top: 2rem;
}

h1 {
	font-size: 2.25rem;
}

h2 {
	font-size: 1.75rem;
}

h3 {
	font-size: 1.375rem;
}

h4 {
	font-size: 1.125rem;
}

p, ul, ol {
	margin-bottom: 1rem;
}

/* Links */
a {
	color: #5b3df5;
	text-decoration: underline;
	text-underline-offset: 2px;
}

a:hover {
	text-decoration-thickness: 2px;
}

/* Header */
body > header {
	border-bottom: 1px solid #e5e5e5;
	padding: 1.5rem;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	max-width: 720px;
	margin: 0 auto;
}

body > header h1 {
	font-size: 1.25rem;
	margin: 0;
}

body > header h1 a {
	color: #111;
	text-decoration: none;
}

body > header nav ul {
	list-style: none;
	display: flex;
	gap: 1.5rem;
	margin: 0;
}

body > header nav a {
	color: #1a1a1a;
	text-decoration: none;
	font-weight: 500;
}

body > header nav a:hover {
	color: #5b3df5;
}

/* Main content */
main {
	max-width: 720px;
	margin: 0 auto;
	padding: 2rem 1.5rem;
}

main > header h1 {
	margin-top: 0;
}

/* Sections */
section {
	margin-top: 3rem;
}

section:first-child {
	margin-top: 0;
}

section h2 {
	margin-top: 0;
	margin-bottom: 1rem;
}

/* Articles */
article {
	margin-top: 2rem;
}

article:first-child {
	margin-top: 0;
}

article h2,
article h3 {
	margin-top: 0;
	margin-bottom: 0.5rem;
}

article header h1 {
	margin-top: 0;
	margin-bottom: 0.5rem;
}

/* Time elements */
time {
	color: #6b6b6b;
	font-size: 0.9rem;
}

/* Images and figures */
img {
	max-width: 100%;
	height: auto;
	display: block;
}

figure {
	margin: 2rem 0;
}

/* Audio player */
audio {
	width: 100%;
	margin: 1.5rem 0;
}

/* Lists */
main ul {
	list-style-position: inside;
}

nav ul,
section > ul {
	padding-left: 1.5rem;
}

/* Footer */
body > footer {
	border-top: 1px solid #e5e5e5;
	padding: 1.5rem;
	text-align: center;
}

body > footer p {
	color: #6b6b6b;
	font-size: 0.9rem;
	margin: 0;
}