/* ==========================================================
   ΘΕΜΑ «Nexus» — blog, άρθρα, σελίδες (πάνω στο landing/style.css)
   Χρώματα από τα tokens του variables.css (φωτεινό / σκούρο).
   ========================================================== */
body.site { background: var(--bg-body); color: var(--text-main); font-family: var(--font-main); min-height: 100vh; display: flex; flex-direction: column; }
.site-main { flex: 1 0 auto; }

/* --- Μενού --- */
.site-page .site-nav { position: sticky; top: 0; background: var(--bg-card); border-bottom: 1px solid var(--border-color); padding: 10px 0 0; }
.site-landing .site-nav { position: absolute; }
.site-nav .nav-container { gap: 12px; }
.site-menu { display: flex; gap: 4px; list-style: none; margin: 8px 0 0; padding: 0 0 8px; overflow-x: auto; scrollbar-width: none; }
.site-menu::-webkit-scrollbar { display: none; }
.site-menu a { display: inline-flex; align-items: center; min-height: 36px; padding: 6px 12px; border-radius: var(--radius-md);
  color: var(--text-muted); text-decoration: none; font-weight: 600; font-size: 0.92rem; white-space: nowrap; }
.site-menu a:hover, .site-menu a.active { color: var(--text-main); background: var(--color-primary-faint); }

/* --- Ενότητες / τίτλοι --- */
.site-section { padding: 48px 20px; }
.site-first { padding-top: 40px; }
.site-landing .site-section { padding-top: 64px; }
.site-section-title { font-size: 1.6rem; font-weight: 800; margin: 0 0 24px; }
.site-page-title { font-size: 2.2rem; font-weight: 900; line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.5px; overflow-wrap: anywhere; }
.site-kicker { text-transform: uppercase; letter-spacing: 1px; font-size: 0.78rem; font-weight: 700; color: var(--color-primary); margin-bottom: 8px; }
.site-kicker a { color: inherit; text-decoration: none; }
.site-lead { color: var(--text-muted); font-size: 1.1rem; max-width: 720px; margin: 0 0 28px; }
.site-empty { color: var(--text-muted); padding: 24px 0; }
.site-more { margin-top: 28px; }

/* --- Κάρτες άρθρων --- */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 20px; }
.post-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.post-card-img { display: block; aspect-ratio: 16 / 9; background: var(--bg-input); }
.post-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-card-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post-card h3 { margin: 0; font-size: 1.15rem; line-height: 1.3; overflow-wrap: anywhere; }
.post-card h3 a { color: var(--text-main); text-decoration: none; }
.post-card h3 a:hover { color: var(--color-primary); }
.post-card p { margin: 0; color: var(--text-muted); font-size: 0.95rem; line-height: 1.55; flex: 1; }
.post-meta { color: var(--text-muted); font-size: 0.85rem; }
.post-more { color: var(--color-primary); font-weight: 700; text-decoration: none; font-size: 0.9rem; }

/* --- Άρθρο / σελίδα --- */
.site-article { max-width: 820px; padding-bottom: 56px; }
.site-article-head { margin-bottom: 20px; }
.site-featured { margin: 0 0 24px; border-radius: 12px; overflow: hidden; }
.site-featured img { width: 100%; height: auto; display: block; }
.site-content { font-size: 1.08rem; line-height: 1.75; overflow-wrap: anywhere; }
.site-content h2 { font-size: 1.6rem; margin: 1.6em 0 0.6em; }
.site-content h3 { font-size: 1.3rem; margin: 1.4em 0 0.5em; }
.site-content p, .site-content ul, .site-content ol, .site-content blockquote, .site-content pre, .site-content figure { margin: 0 0 1.1em; }
.site-content ul, .site-content ol { padding-left: 1.4em; }
.site-content a { color: var(--color-primary); }
.site-content img { max-width: 100%; height: auto; border-radius: 8px; }
.site-content blockquote { border-left: 4px solid var(--color-primary); padding: 6px 0 6px 16px; color: var(--text-muted); font-style: italic; }
.site-content pre { background: var(--bg-input); padding: 14px; border-radius: 8px; overflow-x: auto; font-size: 0.9rem; }
.site-content table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.site-content th, .site-content td { border: 1px solid var(--border-color); padding: 8px 10px; }
.site-preview { background: rgba(245, 158, 11, 0.15); border: 1px solid rgba(245, 158, 11, 0.5); color: #f59e0b; padding: 10px 14px; border-radius: 8px; margin-bottom: 18px; font-weight: 600; }

/* --- Σελιδοποίηση / 404 / footer --- */
.site-pager { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 32px; color: var(--text-muted); }
.site-404 { text-align: center; padding-top: 80px; padding-bottom: 80px; }
.site-404-code { font-size: 5rem; font-weight: 900; color: var(--color-primary); line-height: 1; margin-bottom: 10px; }
.site-footer { text-align: center; color: var(--text-muted); font-size: 0.85rem; padding: 24px 16px; border-top: 1px solid var(--border-color); }
.site-landing .site-footer { border-top: 0; }

@media (max-width: 768px) {
    .site-page-title { font-size: 1.7rem; }
    .site-section { padding: 36px 16px; }
    .site-content { font-size: 1rem; }
}
@media (max-width: 480px) {
    .site-nav .btn-outline { padding: 6px 10px; }
    .site-page-title { font-size: 1.5rem; }
}