/* =====================================================
   HHDI — Blog articles stylesheet
   Applies to: /blog/*.html
   ===================================================== */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --primary:#8B4513;
  --dark:#654321;
  --accent:#F4A460;
  --light:#FFF8DC;
}

body{font-family:Arial,sans-serif;line-height:1.6;color:#333;background:#fefefe;font-size:17px}

.container{max-width:900px;margin:0 auto;padding:0 20px}

/* ── Header ── */
header{background:linear-gradient(135deg,var(--primary),var(--dark));color:#fff;padding:.6rem 0;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.logo{font-size:1.2rem;font-weight:bold;color:#fff;text-decoration:none;white-space:nowrap}
nav{display:flex;align-items:center;flex-wrap:wrap}
nav a{color:#fff;margin-left:14px;font-size:1rem;text-decoration:none;transition:color .2s}
nav a:hover{color:var(--accent)}
.lang-switcher{display:flex;gap:6px;margin-left:16px;flex-shrink:0}
.lang-btn{background:transparent;border:1px solid rgba(255,255,255,.7);color:#fff;padding:3px 10px;border-radius:3px;font-size:.9rem;text-decoration:none;transition:all .3s}
.lang-btn:hover,.lang-btn.active{background:#fff;color:var(--primary)}

/* ── Blog layout ── */
.blog-page{padding:40px 0}
.blog-article{background:#fff;border-radius:8px;padding:2.5rem;box-shadow:0 2px 12px rgba(0,0,0,.08)}
.back-link{display:inline-block;color:var(--primary);text-decoration:none;margin-bottom:1.5rem;font-size:1rem}
.back-link:hover{text-decoration:underline}
.badge{background:var(--light);color:var(--primary);padding:3px 12px;border-radius:12px;font-size:.85rem;font-weight:bold;display:inline-block;margin-bottom:1rem}

/* ── Typography ── */
h1{font-size:2rem;color:var(--dark);margin-bottom:1rem;line-height:1.3}
.blog-meta{color:#888;font-size:.95rem;margin-bottom:2rem;border-bottom:1px solid #eee;padding-bottom:1rem}
.blog-article h2{font-size:1.5rem;color:var(--primary);margin:2rem 0 1rem}
.blog-article h3{font-size:1.2rem;color:var(--dark);margin:1.5rem 0 .8rem}
.blog-article p{margin-bottom:1rem;line-height:1.8}
.blog-article ul,.blog-article ol{padding-left:1.6rem;margin-bottom:1rem}
.blog-article li{margin-bottom:.5rem;line-height:1.7}
.blog-article blockquote{border-left:4px solid var(--primary);padding:1rem 1.5rem;margin:1.5rem 0;background:#f9f5f0;font-style:italic;border-radius:0 8px 8px 0}
.blog-article img{max-width:100%;height:auto;border-radius:8px;margin:20px auto;display:block;box-shadow:0 4px 15px rgba(0,0,0,.15)}

/* ── Highlight box ── */
.highlight{font-size:1.05rem;font-style:italic;padding:1.2rem 1.8rem;background:#f9f5f0;border-left:4px solid var(--primary);margin:2.5rem 0;line-height:1.7;color:#555}

/* ── Gallery & lightbox ── */
.creation-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.5rem 0}
.creation-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px;cursor:zoom-in;margin:0;box-shadow:none}
.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:9999;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:92vh;object-fit:contain;border-radius:6px}
.lightbox-close{position:absolute;top:20px;right:28px;color:#fff;font-size:2.8rem;cursor:pointer;background:none;border:none;line-height:1}
.lightbox-close:hover{color:var(--accent)}

/* ── Rule blocks (articles with numbered rules) ── */
.rule-block{background:var(--light);border-radius:10px;padding:1.8rem 2rem;margin:2.2rem 0;border-left:5px solid var(--primary)}
.rule-header{font-size:1.15rem;font-weight:bold;color:var(--dark);margin-bottom:1rem;line-height:1.4}
.rule-header .rule-num{color:var(--primary);margin-right:.4rem}
.rule-block p{margin-bottom:.9rem;line-height:1.8;color:#444}
.rule-block p:last-child{margin-bottom:0}

/* ── Idea blocks (10-tips style articles) ── */
.idea-block{border-left:5px solid var(--accent);padding:1.2rem 1.5rem;margin:1.5rem 0;background:#fdf8f2;border-radius:0 8px 8px 0}
.idea-num{font-size:.85rem;font-weight:bold;color:var(--accent);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.3rem}
.idea-title{font-size:1.15rem;font-weight:bold;color:var(--dark);margin-bottom:.6rem}

/* ── Mistakes block ── */
.mistakes{background:#fff3f3;border-radius:8px;padding:1.5rem;margin:2rem 0;border-left:5px solid #c0392b}
.mistakes h3{color:#c0392b;margin-bottom:.8rem}
.mistakes li{color:#555}

/* ── Infographic ── */
.infographic{width:100%;max-width:600px;margin:2rem auto;display:block;border-radius:10px;box-shadow:0 4px 20px rgba(0,0,0,.15)}

/* ── Related products block ── */
.related-products{background:var(--light);border-radius:8px;padding:1.5rem;margin-top:2rem}
.related-products h3{color:var(--primary);margin-bottom:1rem;font-size:1.1rem}
.related-links{display:flex;flex-wrap:wrap;gap:.6rem}
.related-links a{background:#fff;color:var(--primary);padding:6px 14px;border-radius:20px;text-decoration:none;font-size:.9rem;border:1px solid var(--accent);transition:all .2s}
.related-links a:hover{background:var(--primary);color:#fff}

/* ── Footer ── */
footer{background:var(--dark);color:#fff;padding:2rem 0 1rem;margin-top:3rem}
.footer-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:1.5rem}
.footer-col h3{color:var(--accent);margin-bottom:.6rem;font-size:1.1rem}
.footer-col p,.footer-col a{font-size:.95rem;color:#fff;text-decoration:none;line-height:1.6}
.footer-col a:hover{text-decoration:underline}
.social-links{display:flex;gap:.6rem;margin-top:.5rem}
.social-link{color:#fff;border:1px solid #fff;padding:3px 8px;border-radius:3px;font-size:.85rem;text-decoration:none;transition:all .3s}
.social-link:hover{background:#fff;color:var(--dark)}
.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.1);padding-top:1rem;font-size:.85rem;color:rgba(255,255,255,.7)}

/* ── Responsive ── */
@media(max-width:768px){
  nav a{margin-left:10px;font-size:.9rem}
  .blog-article{padding:1.2rem}
  .creation-gallery{grid-template-columns:1fr}
  .rule-block{padding:1.2rem 1.4rem}
}

/* ── Article divider ── */
.article-divider{margin:2rem 0;border:none;border-top:1px solid #eee}