/* ---------- tokens ---------- */

:root {
	--bg: #FAF8F3;
	--ink: #1A1815;
	--muted: #6B6660;
	--text: #4A453F;
	--accent: #B2562F;
	--border: rgba(26, 24, 21, 0.12);

	--font-display: "Fraunces", Georgia, serif;
	--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
	--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #17140F;
		--ink: #F2EFE8;
		--muted: #9A9188;
		--text: #C9C2B7;
		--accent: #D9784A;
		--border: rgba(242, 239, 232, 0.12);
	}
}

:root[data-theme="light"] {
	--bg: #FAF8F3;
	--ink: #1A1815;
	--muted: #6B6660;
	--text: #4A453F;
	--accent: #B2562F;
	--border: rgba(26, 24, 21, 0.12);
}

:root[data-theme="dark"] {
	--bg: #17140F;
	--ink: #F2EFE8;
	--muted: #9A9188;
	--text: #C9C2B7;
	--accent: #D9784A;
	--border: rgba(242, 239, 232, 0.12);
}

/* ---------- reset ---------- */

* {
	box-sizing: border-box;
}

html {
	color-scheme: light dark;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	transition: background-color 0.15s ease, color 0.15s ease;
}

img {
	max-width: 100%;
	display: block;
}

a {
	color: inherit;
	text-decoration: none;
}

h1, h2, h3 {
	font-family: var(--font-display);
	color: var(--ink);
	font-weight: 600;
	line-height: 1.25;
	margin: 0 0 0.5em;
}

.kicker {
	font-family: var(--font-mono);
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--accent);
	margin: 0 0 0.75em;
}

/* ---------- layout ---------- */

.site-header,
.site-main,
.site-footer {
	max-width: 860px;
	margin: 0 auto;
	padding: 0 1.5rem;
}

.site-main {
	min-height: calc(100vh - 9rem);
	padding-top: 2rem;
	padding-bottom: 4rem;
}

/* ---------- nav ---------- */

.nav {
	display: flex;
	align-items: center;
	gap: 2rem;
	padding: 1.75rem 0;
	flex-wrap: wrap;
}

.wordmark {
	font-family: var(--font-display);
	font-size: 1.15rem;
	font-weight: 600;
	color: var(--ink);
	margin-right: auto;
}

.nav-links {
	display: flex;
	gap: 1.5rem;
}

.nav-links a {
	font-size: 0.92rem;
	color: var(--text);
	padding-bottom: 2px;
	border-bottom: 1px solid transparent;
}

.nav-links a:hover {
	color: var(--ink);
}

.nav-links a.active {
	color: var(--ink);
	border-bottom-color: var(--accent);
}

.nav-right {
	display: flex;
	align-items: center;
	gap: 1.25rem;
}

.nav-right a.external {
	font-size: 0.85rem;
	color: var(--muted);
}

.nav-right a.external:hover {
	color: var(--accent);
}

.theme-toggle {
	background: none;
	border: 1px solid var(--border);
	border-radius: 6px;
	color: var(--muted);
	width: 30px;
	height: 30px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
}

.theme-toggle:hover {
	color: var(--accent);
	border-color: var(--accent);
}

.icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon { display: block; }
@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) .icon-sun { display: none; }
	:root:not([data-theme="light"]) .icon-moon { display: block; }
}

/* ---------- footer ---------- */

.site-footer {
	padding: 2rem 1.5rem 3rem;
	font-size: 0.8rem;
	color: var(--muted);
}

/* ---------- home ---------- */

.hero {
	padding: 4rem 0 2rem;
	text-align: center;
}

.hero-title {
	font-size: 2.75rem;
}

.hero-lede {
	max-width: 520px;
	margin: 1rem auto 2rem;
	color: var(--text);
}

.hero-links {
	display: flex;
	justify-content: center;
	gap: 1.5rem;
}

.hero-links a {
	font-size: 0.95rem;
	border-bottom: 1px solid transparent;
	padding-bottom: 2px;
}

.hero-links a:hover {
	border-bottom-color: var(--accent);
	color: var(--ink);
}

/* ---------- prose (about + note bodies) ---------- */

.page {
	padding: 1rem 0 2rem;
}

.page h1 {
	font-size: 2.1rem;
	margin-bottom: 1.5rem;
}

.prose h2 {
	font-size: 1.4rem;
	margin-top: 2.25rem;
}

.prose h3 {
	font-size: 1.15rem;
	margin-top: 1.75rem;
}

.prose h4 {
	font-family: var(--font-body);
	font-size: 0.95rem;
	font-weight: 600;
	color: var(--ink);
	margin-top: 1.5rem;
}

.prose p,
.prose ul,
.prose ol {
	margin: 0 0 1.1em;
}

.prose ul,
.prose ol {
	padding-left: 1.3em;
}

.prose li {
	margin-bottom: 0.35em;
}

.prose a {
	color: var(--accent);
	border-bottom: 1px solid var(--border);
}

.prose blockquote {
	margin: 1.5em 0;
	padding: 0.25em 1.25em;
	border-left: 3px solid var(--accent);
	color: var(--muted);
	font-style: italic;
}

.prose code {
	font-family: var(--font-mono);
	font-size: 0.85em;
	background: var(--border);
	padding: 0.15em 0.4em;
	border-radius: 4px;
}

.prose pre {
	background: var(--border);
	padding: 1rem 1.25rem;
	border-radius: 8px;
	overflow-x: auto;
	margin: 1.5em 0;
}

.prose pre code {
	background: none;
	padding: 0;
}

.prose img {
	border-radius: 8px;
	margin: 1.75em 0;
}

.prose hr {
	border: none;
	border-top: 1px solid var(--border);
	margin: 2em 0;
}

/* ---------- projects ---------- */

.project-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 1.25rem;
	margin-top: 1.5rem;
}

.project-card {
	display: block;
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 1.5rem;
	transition: border-color 0.15s ease;
}

.project-card:hover {
	border-color: var(--accent);
}

.project-card h2 {
	font-size: 1.15rem;
	margin-bottom: 0.6rem;
}

.project-description {
	font-size: 0.9rem;
	color: var(--text);
	margin: 0 0 1rem;
}

.project-tags {
	font-family: var(--font-mono);
	font-size: 0.72rem;
	color: var(--muted);
	margin: 0;
}

/* ---------- notes index ---------- */

.note-list {
	list-style: none;
	margin: 1.5rem 0 0;
	padding: 0;
	border-top: 1px solid var(--border);
}

.note-list a {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 1rem;
	padding: 1.1rem 0;
	border-bottom: 1px solid var(--border);
}

.note-list a:hover .note-title {
	color: var(--accent);
}

.note-title {
	font-family: var(--font-display);
	font-size: 1.05rem;
	color: var(--ink);
}

.note-date {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	color: var(--muted);
	white-space: nowrap;
}

/* ---------- note detail ---------- */

.back-link {
	display: inline-block;
	font-size: 0.85rem;
	color: var(--muted);
	margin-bottom: 1.5rem;
}

.back-link:hover {
	color: var(--accent);
}

/* ---------- responsive ---------- */

@media (max-width: 600px) {
	.nav {
		gap: 1rem;
	}

	.nav-links {
		order: 3;
		width: 100%;
		gap: 1.25rem;
	}

	.hero-title {
		font-size: 2.1rem;
	}
}