:root {
    --ink: #1c1f23;
    --muted: #5d6670;
    --line: #e3e6ea;
    --bg: #fbfbfa;
    --accent: #0f6b5c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

a { color: var(--accent); }

.wrap { max-width: 46rem; margin: 0 auto; padding: 0 1rem; }

.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 3.5rem; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; }
.site-header nav a { margin-left: 1.25rem; color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--ink); }

main { padding: 2.5rem 1rem 3rem; }

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .75rem; }
h2 { font-size: 1.3rem; margin: 2rem 0 .5rem; }

.lead { font-size: 1.15rem; color: var(--muted); }

.meta { color: var(--muted); font-size: .9rem; }
.tag { display: inline-block; font-size: .8rem; padding: .1rem .55rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }

.post-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.post-list li { padding: 1.1rem 0; border-top: 1px solid var(--line); }
.post-list h3 { margin: .3rem 0; font-size: 1.15rem; }
.post-list h3 a { color: var(--ink); text-decoration: none; }
.post-list h3 a:hover { color: var(--accent); }
.post-list p { margin: .2rem 0 0; color: var(--muted); }

.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.filters a { font-size: .9rem; padding: .25rem .75rem; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--muted); background: #fff; }
.filters a.active { border-color: var(--accent); color: var(--accent); }

.featured { margin: 1.5rem 0; }
.featured img, .featured video, .body img { width: 100%; height: auto; border-radius: 8px; display: block; }
.featured iframe, .body iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: 8px; }

blockquote { margin: 1.5rem 0; padding: .25rem 0 .25rem 1rem; border-left: 3px solid var(--accent); }
blockquote p { margin: 0; font-size: 1.1rem; }
blockquote cite { display: block; margin-top: .4rem; color: var(--muted); font-style: normal; font-size: .9rem; }

.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; padding: 1.25rem 0; }