*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:#f4f6f9;color:#1a1a2e;line-height:1.7}

/* Header */
header{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:#fff;padding:3rem 1.5rem;text-align:center}
header h1{font-size:2.4rem;letter-spacing:1px;margin-bottom:.4rem}
header h1 a{color:#fff;text-decoration:none}
header h1 a:hover{color:#60a5fa}
header p.subtitle{font-size:1.05rem;opacity:.75;max-width:560px;margin:0 auto}

/* Header compact (post page) */
body.page-post header{padding:1.8rem 1.5rem}
body.page-post header h1{font-size:1.6rem}

/* Nav */
nav{background:#16213e;text-align:center;padding:.6rem 0;position:sticky;top:0;z-index:10;box-shadow:0 2px 8px rgba(0,0,0,.25)}
nav a{color:#e2e8f0;text-decoration:none;margin:0 1rem;font-size:.95rem;padding:.3rem 0;transition:color .2s}
nav a:hover,nav a.active{color:#60a5fa;border-bottom:2px solid #60a5fa}

/* Main */
main{max-width:860px;margin:2.5rem auto;padding:0 1.25rem}

/* Post card */
.post{background:#fff;border-radius:12px;overflow:hidden;margin-bottom:2.5rem;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:transform .2s,box-shadow .2s}
.post:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,.1)}
.post img{width:100%;height:320px;object-fit:cover;display:block}
.post-body{padding:2rem 2.2rem 2.2rem}
.post-meta{display:flex;gap:1rem;font-size:.82rem;color:#94a3b8;margin-bottom:.7rem;flex-wrap:wrap;align-items:center}
.tag{display:inline-block;font-size:.72rem;font-weight:600;padding:2px 10px;border-radius:20px;text-transform:uppercase;letter-spacing:.5px;background:#e0f2fe;color:#0369a1}
.post-body h2{font-size:1.55rem;margin-bottom:.6rem;color:#0f172a}
.post-body h2 a{color:inherit;text-decoration:none}
.post-body h2 a:hover{color:#3b82f6}
.post-body p{color:#475569;margin-bottom:1rem}
.read-more{display:inline-block;margin-top:.4rem;color:#3b82f6;font-weight:600;text-decoration:none;transition:color .2s}
.read-more:hover{color:#1d4ed8}

/* Single article */
.article-wrap{max-width:780px;margin:0 auto;padding:2rem 1.25rem 3rem}
.hero-img{width:100%;height:360px;object-fit:cover;display:block;border-radius:12px;margin-bottom:2rem;box-shadow:0 4px 20px rgba(0,0,0,.08)}
.article-wrap h2{font-size:2rem;color:#0f172a;margin-bottom:1rem;line-height:1.3}
.article-wrap p{color:#475569;margin-bottom:1.2rem;font-size:1.05rem}
.article-wrap p strong{color:#1e293b}
.meta{display:flex;gap:1rem;font-size:.82rem;color:#94a3b8;margin-bottom:.5rem;flex-wrap:wrap;align-items:center}
.back-link{display:inline-block;margin-top:2rem;color:#3b82f6;font-weight:600;text-decoration:none;transition:color .2s}
.back-link:hover{color:#1d4ed8}

/* Empty state */
.empty{text-align:center;padding:4rem 1rem;color:#94a3b8;font-size:1.1rem}

/* Footer */
footer{text-align:center;padding:2rem 1rem;color:#94a3b8;font-size:.85rem;border-top:1px solid #e2e8f0;margin-top:2rem}

/* Responsive */
@media(max-width:600px){
    header h1{font-size:1.7rem}
    .post img{height:200px}
    .post-body{padding:1.4rem}
    .post-body h2{font-size:1.25rem}
    .hero-img{height:200px}
    .article-wrap h2{font-size:1.4rem}
}