/* Lumen — front-end CSS (built, no preprocessor required) */
:root {
	--lumen-bg: #0b0b14;
	--lumen-surface: #15151f;
	--lumen-surface-2: #1d1d2a;
	--lumen-fg: #f5f5f7;
	--lumen-muted: #3a3a4a;
	--lumen-muted-fg: #a8a8b8;
	--lumen-accent: #f0b85c;
	--lumen-accent-fg: #15151f;
	--lumen-border: #2a2a3a;
	--lumen-radius: 12px;
	--lumen-container: 1280px;
}

*,*::before,*::after { box-sizing: border-box; }

body {
	margin: 0;
	background: var(--lumen-bg);
	color: var(--lumen-fg);
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
	font-size: 17px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; height: auto; }
a { color: var(--lumen-fg); text-decoration: underline; text-underline-offset: 0.2em; }
a:hover { color: var(--lumen-accent); }

.lumen-container { max-width: var(--lumen-container); margin: 0 auto; padding: 0 1.5rem; }

.lumen-skip-link {
	position: absolute; left: -9999px; top: -9999px;
}
.lumen-skip-link:focus {
	position: fixed; left: 1rem; top: 1rem; z-index: 100000;
	background: var(--lumen-accent); color: var(--lumen-accent-fg);
	padding: .5rem .75rem; border-radius: 8px;
}
.screen-reader-text {
	border: 0; clip: rect(1px,1px,1px,1px); -webkit-clip-path: inset(50%); clip-path: inset(50%);
	height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; word-wrap: normal;
}
.screen-reader-text:focus {
	background-color: var(--lumen-accent); color: var(--lumen-accent-fg);
	clip: auto; -webkit-clip-path: none; clip-path: none;
	height: auto; left: 5px; top: 5px; width: auto; padding: .5rem .75rem; z-index: 100000;
}

.lumen-site-header { padding: 1rem 0; border-bottom: 1px solid var(--lumen-border); }
.lumen-site-header .lumen-container { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.lumen-site-title { font-weight: 600; text-decoration: none; font-size: 1.1rem; letter-spacing: -0.02em; }
.lumen-menu { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.lumen-menu a { color: var(--lumen-muted-fg); text-decoration: none; font-size: .95rem; }
.lumen-menu a:hover { color: var(--lumen-fg); }
.lumen-site-main { padding: 3rem 0 5rem; min-height: 60vh; }
.lumen-site-footer { border-top: 1px solid var(--lumen-border); padding: 2rem 0; margin-top: 4rem; }
.lumen-site-footer .lumen-container { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; }
.lumen-site-info { color: var(--lumen-muted-fg); font-size: .85rem; margin: 0; }
.lumen-footer-menu { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.lumen-footer-menu a { color: var(--lumen-muted-fg); text-decoration: none; font-size: .85rem; }

.lumen-post-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.lumen-post-card { background: var(--lumen-surface); border: 1px solid var(--lumen-border); border-radius: var(--lumen-radius); overflow: hidden; transition: background .2s; }
.lumen-post-card:hover { background: var(--lumen-surface-2); }
.lumen-post-card__media img { display: block; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.lumen-post-card__header { padding: 1.25rem 1.25rem 0.5rem; }
.lumen-post-card__title { margin: 0 0 .5rem; font-size: 1.25rem; font-weight: 600; letter-spacing: -.01em; line-height: 1.25; }
.lumen-post-card__title a { text-decoration: none; }
.lumen-post-card__meta { color: var(--lumen-muted-fg); font-size: .8rem; }
.lumen-post-card__excerpt { padding: 0 1.25rem 1.25rem; color: var(--lumen-muted-fg); font-size: .95rem; }

.lumen-singular { padding: 2rem 0 5rem; }
.lumen-singular__header { margin-bottom: 1.5rem; }
.lumen-singular__title { font-size: clamp(2rem, 1.5rem + 2vw, 3rem); margin: 0 0 .5rem; line-height: 1.05; letter-spacing: -.025em; }
.lumen-singular__meta { color: var(--lumen-muted-fg); font-size: .85rem; }
.lumen-singular__content { max-width: 768px; margin: 1.5rem auto 0; }
.lumen-singular__content > * + * { margin-top: 1.25rem; }
.lumen-singular__content h2 { font-size: 1.75rem; line-height: 1.15; margin-top: 2.5rem; }
.lumen-singular__content h3 { font-size: 1.35rem; line-height: 1.2; margin-top: 2rem; }
.lumen-singular__content blockquote { border-left: 3px solid var(--lumen-accent); padding: .25rem 0 .25rem 1rem; color: var(--lumen-muted-fg); font-style: italic; }
.lumen-singular__content code { background: var(--lumen-surface-2); padding: .15em .35em; border-radius: 4px; font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: .9em; }
.lumen-singular__content pre { background: var(--lumen-surface); padding: 1rem; border-radius: var(--lumen-radius); overflow: auto; border: 1px solid var(--lumen-border); }
.lumen-singular__content img { border-radius: var(--lumen-radius); }
.lumen-page-links { color: var(--lumen-muted-fg); font-size: .85rem; margin-top: 2rem; }

.lumen-archive__header { margin-bottom: 2rem; }
.lumen-archive__title { font-size: 2rem; margin: 0 0 .5rem; letter-spacing: -.025em; }
.lumen-archive__desc { color: var(--lumen-muted-fg); }

.lumen-comments { max-width: 768px; margin: 3rem auto 0; padding-top: 2rem; border-top: 1px solid var(--lumen-border); }
.lumen-comments__title { font-size: 1.25rem; margin: 0 0 1.5rem; }
.lumen-comments__list { list-style: none; padding: 0; }
.lumen-comments__list ol { list-style: none; padding-left: 1.5rem; }
.lumen-comments .comment { padding: 1rem 0; border-bottom: 1px solid var(--lumen-border); }

.lumen-search-form { display: flex; gap: .5rem; max-width: 480px; margin-top: 1rem; }
.lumen-search-form__input {
	flex: 1; padding: .65rem .85rem; border-radius: 8px;
	border: 1px solid var(--lumen-border); background: var(--lumen-surface); color: var(--lumen-fg);
	font: inherit;
}
.lumen-search-form__input:focus { outline: 2px solid var(--lumen-accent); outline-offset: 1px; }

.lumen-btn { display: inline-flex; align-items: center; gap: .5rem; padding: .65rem 1.1rem; border-radius: 10px; border: 1px solid var(--lumen-border); background: var(--lumen-surface); color: var(--lumen-fg); text-decoration: none; font-weight: 500; font-size: .95rem; cursor: pointer; transition: background .2s, border-color .2s; }
.lumen-btn:hover { background: var(--lumen-surface-2); }
.lumen-btn--primary { background: var(--lumen-accent); color: var(--lumen-accent-fg); border-color: transparent; }
.lumen-btn--primary:hover { filter: brightness(1.05); color: var(--lumen-accent-fg); }

.lumen-404 { text-align: center; padding: 6rem 1.5rem; }
.lumen-404__title { font-size: clamp(4rem, 2rem + 8vw, 8rem); margin: 0; line-height: 1; letter-spacing: -.04em; }
.lumen-404__lead { color: var(--lumen-muted-fg); margin: 1rem 0 2rem; }

@media (max-width: 720px) {
	.lumen-site-header .lumen-container { flex-wrap: wrap; }
	.lumen-menu { flex-wrap: wrap; gap: 1rem; }
	.lumen-site-footer .lumen-container { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
	* { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}