/* ===== SOLVED BLOG — SHARED CSS ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --dark:#07090F;--dark-2:#0F1320;--dark-3:#161B2E;
  --card-bg:#111827;--border:#1F2937;
  --green:#22C55E;--green-dark:#16A34A;
  --orange:#F97316;--blue:#3B82F6;
  --text-light:#F9FAFB;--text-muted:#9CA3AF;
  --text-dark:#111827;--text-body:#374151;
  --section-light:#F8FAFC;--section-alt:#F1F5F9;
  --white:#ffffff;
  --radius:12px;--radius-lg:20px;
  --shadow:0 4px 24px rgba(0,0,0,.12);
  --transition:all .25s ease;
  --font-display:'Bricolage Grotesque','Inter',sans-serif;
  --font-body:'Inter',sans-serif;
  --max-w:760px;
}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text-dark);background:var(--white);line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{padding-left:1.5rem}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2}

/* HEADER */
.site-header{background:var(--dark);padding:0;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border)}
.site-header .inner{max-width:1200px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-header .logo img{height:32px;width:auto}
.header-nav{display:flex;gap:24px;align-items:center}
.header-nav a{color:rgba(255,255,255,.75);font-size:.88rem;font-weight:500;transition:var(--transition)}
.header-nav a:hover{color:#fff}
.header-cta .btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-weight:600;font-size:.85rem;background:var(--green);color:#fff;transition:var(--transition)}
.header-cta .btn:hover{background:var(--green-dark)}

/* BREADCRUMB */
.breadcrumb{background:var(--section-light);border-bottom:1px solid #E2E8F0;padding:12px 0}
.breadcrumb .inner{max-width:1200px;margin:0 auto;padding:0 24px}
.breadcrumb ol{display:flex;gap:6px;align-items:center;list-style:none;padding:0;font-size:.82rem;color:var(--text-muted)}
.breadcrumb ol li+li::before{content:'/';}
.breadcrumb ol li a{color:var(--text-muted);transition:var(--transition)}
.breadcrumb ol li a:hover{color:var(--green)}
.breadcrumb ol li:last-child{color:var(--text-dark);font-weight:500}

/* ARTICLE LAYOUT */
.article-wrap{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1fr 320px;gap:64px;padding-top:56px;padding-bottom:80px}
.article-main{}
.article-sidebar{}

/* ARTICLE HERO */
.article-hero{margin-bottom:40px}
.article-tag{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--green);background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.25);padding:4px 12px;border-radius:999px;margin-bottom:16px}
.article-hero h1{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;color:var(--text-dark);margin-bottom:16px;line-height:1.1}
.article-hero .article-lead{font-size:1.1rem;color:var(--text-body);line-height:1.7;margin-bottom:24px}
.article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:16px 0;border-top:1px solid #E2E8F0;border-bottom:1px solid #E2E8F0;margin-bottom:32px}
.article-meta .meta-item{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--text-muted)}
.article-meta .meta-item strong{color:var(--text-dark)}

/* TABLE OF CONTENTS */
.toc{background:var(--section-light);border:1px solid #E2E8F0;border-radius:var(--radius);padding:24px;margin-bottom:40px}
.toc h2{font-size:1rem;font-weight:700;color:var(--text-dark);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.toc ol{display:flex;flex-direction:column;gap:8px;padding-left:1.2rem}
.toc ol li{font-size:.88rem}
.toc ol li a{color:var(--text-body);transition:var(--transition)}
.toc ol li a:hover{color:var(--green)}

/* ARTICLE BODY */
.article-body{font-size:1rem;line-height:1.8;color:var(--text-body)}
.article-body h2{font-size:1.5rem;font-weight:800;color:var(--text-dark);margin:48px 0 16px;padding-top:8px;border-top:3px solid var(--green);display:inline-block}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:1.15rem;font-weight:700;color:var(--text-dark);margin:32px 0 12px}
.article-body h4{font-size:1rem;font-weight:700;color:var(--text-dark);margin:24px 0 10px}
.article-body p{margin-bottom:20px}
.article-body p:last-child{margin-bottom:0}
.article-body ul,
.article-body ol{margin-bottom:20px;display:flex;flex-direction:column;gap:8px}
.article-body li{padding-left:4px}
.article-body a{color:var(--green);font-weight:500}
.article-body a:hover{text-decoration:underline}
.article-body strong{color:var(--text-dark);font-weight:700}
.article-body em{font-style:italic}
.article-body blockquote{border-left:4px solid var(--green);background:rgba(34,197,94,.06);padding:16px 20px;border-radius:0 8px 8px 0;margin:28px 0;font-style:italic;color:var(--text-dark)}

/* DATA TABLE */
.data-table{width:100%;border-collapse:collapse;margin:28px 0;font-size:.9rem;border-radius:var(--radius);overflow:hidden;border:1px solid #E2E8F0}
.data-table th{background:var(--dark);color:var(--text-light);padding:12px 16px;text-align:left;font-weight:700;font-size:.85rem}
.data-table td{padding:12px 16px;border-bottom:1px solid #E2E8F0;vertical-align:top}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:nth-child(even) td{background:var(--section-light)}
.data-table td strong{color:var(--text-dark)}

/* HIGHLIGHT BOX */
.highlight-box{background:linear-gradient(135deg,rgba(34,197,94,.08),rgba(59,130,246,.06));border:1px solid rgba(34,197,94,.25);border-radius:var(--radius);padding:24px;margin:32px 0}
.highlight-box p:last-child{margin-bottom:0}
.highlight-box h3{margin-top:0;margin-bottom:12px;color:var(--text-dark)}
.warn-box{background:rgba(249,115,22,.06);border:1px solid rgba(249,115,22,.25);border-radius:var(--radius);padding:20px;margin:28px 0}
.warn-box p:last-child{margin-bottom:0}

/* CHECKLIST */
.checklist{list-style:none;padding:0;margin:20px 0;display:flex;flex-direction:column;gap:10px}
.checklist li{display:flex;align-items:flex-start;gap:10px;font-size:.95rem}
.checklist li::before{content:'✓';color:var(--green);font-weight:700;font-size:1rem;flex-shrink:0;margin-top:2px}

/* IN-ARTICLE CTA */
.inline-cta{background:var(--dark);border-radius:var(--radius-lg);padding:32px;margin:48px 0;text-align:center}
.inline-cta h3{color:var(--text-light);font-size:1.2rem;margin-bottom:10px}
.inline-cta p{color:var(--text-muted);font-size:.9rem;margin-bottom:20px}
.inline-cta .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius);font-weight:700;background:var(--orange);color:#fff;transition:var(--transition);border:none;cursor:pointer;font-family:var(--font-body);font-size:.95rem}
.inline-cta .btn:hover{background:#EA6005;transform:translateY(-2px)}

/* AUTHOR BIO */
.author-bio{display:flex;gap:20px;align-items:flex-start;background:var(--section-light);border-radius:var(--radius);padding:24px;margin:48px 0 0}
.author-avatar-lg{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--blue));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.4rem;flex-shrink:0}
.author-info h4{font-size:1rem;font-weight:700;color:var(--text-dark);margin-bottom:4px}
.author-info .author-role{font-size:.82rem;color:var(--green);font-weight:600;margin-bottom:8px}
.author-info p{font-size:.88rem;color:var(--text-body);line-height:1.6;margin:0}

/* RELATED ARTICLES */
.related-articles{margin-top:64px;padding-top:40px;border-top:2px solid #E2E8F0}
.related-articles h2{font-size:1.3rem;font-weight:800;color:var(--text-dark);margin-bottom:24px}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.related-card{border:1px solid #E2E8F0;border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.related-card:hover{border-color:var(--green);transform:translateY(-3px);box-shadow:var(--shadow)}
.related-card-img{height:100px;background:linear-gradient(135deg,var(--dark-2),var(--dark-3));display:flex;align-items:center;justify-content:center;font-size:2rem}
.related-card-body{padding:16px}
.related-card-body .tag{font-size:.72rem;font-weight:700;text-transform:uppercase;color:var(--green);letter-spacing:.08em}
.related-card-body h3{font-size:.92rem;font-weight:700;color:var(--text-dark);margin:6px 0 0;line-height:1.35}

/* SIDEBAR */
.sidebar-card{background:var(--section-light);border:1px solid #E2E8F0;border-radius:var(--radius);padding:24px;margin-bottom:24px}
.sidebar-card h3{font-size:1rem;font-weight:700;color:var(--text-dark);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.sidebar-cta{background:var(--dark);border-radius:var(--radius);padding:24px;text-align:center}
.sidebar-cta h3{color:var(--text-light);font-size:1rem;margin-bottom:10px}
.sidebar-cta p{color:var(--text-muted);font-size:.85rem;line-height:1.6;margin-bottom:16px}
.sidebar-cta .btn{width:100%;justify-content:center;display:flex;padding:12px;border-radius:var(--radius);font-weight:700;background:var(--orange);color:#fff;transition:var(--transition);font-family:var(--font-body);font-size:.9rem;border:none;cursor:pointer}
.sidebar-cta .btn:hover{background:#EA6005}
.sidebar-links{display:flex;flex-direction:column;gap:10px}
.sidebar-links a{font-size:.88rem;color:var(--text-body);display:flex;align-items:center;gap:6px;transition:var(--transition);padding:8px 12px;background:var(--white);border:1px solid #E2E8F0;border-radius:8px}
.sidebar-links a:hover{border-color:var(--green);color:var(--green)}
.sidebar-links a::before{content:'→';color:var(--green);font-weight:700;flex-shrink:0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{font-size:.78rem;font-weight:600;padding:4px 12px;background:var(--white);border:1px solid #E2E8F0;border-radius:999px;color:var(--text-body);transition:var(--transition)}
.tag-cloud a:hover{background:rgba(34,197,94,.1);border-color:var(--green);color:var(--green)}

/* BLOG INDEX */
.blog-hero{background:var(--dark);padding:80px 0 64px;position:relative;overflow:hidden}
.blog-hero::before{content:'';position:absolute;top:-100px;right:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(34,197,94,.12) 0%,transparent 70%)}
.blog-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--text-light);margin-bottom:12px}
.blog-hero p{color:var(--text-muted);font-size:1.1rem;max-width:520px}
.blog-hero .inner{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.blog-categories{background:var(--section-light);border-bottom:1px solid #E2E8F0;padding:16px 0}
.blog-categories .inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;gap:12px;flex-wrap:wrap}
.cat-btn{padding:7px 16px;border-radius:999px;font-size:.82rem;font-weight:600;border:1px solid #CBD5E1;background:var(--white);color:var(--text-body);cursor:pointer;transition:var(--transition)}
.cat-btn.active,.cat-btn:hover{background:var(--green);border-color:var(--green);color:#fff}
.blog-grid-section{max-width:1200px;margin:0 auto;padding:56px 24px}
.blog-grid-section h2{font-size:1.3rem;font-weight:700;color:var(--text-dark);margin-bottom:32px}
.blog-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card-full{border:1px solid #E2E8F0;border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition)}
.blog-card-full:hover{border-color:var(--green);transform:translateY(-5px);box-shadow:0 16px 40px rgba(0,0,0,.1)}
.blog-card-full .card-img{height:180px;background:linear-gradient(135deg,var(--dark-2),var(--dark-3));display:flex;align-items:center;justify-content:center;font-size:3rem}
.blog-card-full .card-body{padding:24px}
.blog-card-full .card-tag{font-size:.72rem;font-weight:700;text-transform:uppercase;color:var(--green);letter-spacing:.1em;margin-bottom:10px;display:block}
.blog-card-full h3{font-size:1.05rem;font-weight:700;color:var(--text-dark);margin-bottom:10px;line-height:1.35}
.blog-card-full p{font-size:.88rem;color:var(--text-body);line-height:1.6;margin-bottom:16px}
.blog-card-full .card-meta{display:flex;align-items:center;justify-content:space-between;font-size:.78rem;color:var(--text-muted)}
.blog-card-full .card-meta a{color:var(--green);font-weight:600}

/* FOOTER */
.site-footer{background:var(--dark);padding:48px 0 24px;border-top:1px solid var(--border)}
.site-footer .inner{max-width:1200px;margin:0 auto;padding:0 24px}
.footer-bottom-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;border-top:1px solid var(--border);margin-top:24px}
.footer-bottom-bar p{color:var(--text-muted);font-size:.8rem}
.footer-legal{display:flex;gap:16px}
.footer-legal a{color:var(--text-muted);font-size:.8rem;transition:var(--transition)}
.footer-legal a:hover{color:var(--green)}

/* RESPONSIVE */
@media(max-width:1024px){
  .article-wrap{grid-template-columns:1fr;gap:40px}
  .article-sidebar{display:none}
  .blog-cards{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .article-wrap{padding-top:32px;padding-bottom:56px}
  .article-hero h1{font-size:1.8rem}
  .related-grid{grid-template-columns:1fr}
  .blog-cards{grid-template-columns:1fr}
  .header-nav{display:none}
}