/* Reading progress */
.rp-bar{position:fixed;top:0;left:0;height:3px;background:var(--blue);z-index:3000;width:0;transition:width .08s linear;pointer-events:none}

/* Article Hero */
.art-hero{background:var(--n-900);padding:56px 2.5rem 60px;position:relative;overflow:hidden}
.art-hero-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:64px 64px;pointer-events:none}
.art-hero-glow{position:absolute;bottom:-30%;left:-5%;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,rgba(27,95,168,.09) 0%,transparent 65%);pointer-events:none}
.art-hero-inner{max-width:820px;margin:0 auto;position:relative;z-index:1}
.art-breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--n-400);margin-bottom:20px;flex-wrap:wrap}
.art-breadcrumb a{color:var(--n-400);transition:color .15s}
.art-breadcrumb a:hover{color:var(--n-200)}
.art-breadcrumb-sep{color:var(--n-600)}
.art-cat{display:inline-flex;align-items:center;gap:6px;background:rgba(69,190,221,.12);border:1px solid rgba(69,190,221,.28);border-radius:100px;padding:4px 12px;font-size:10.5px;font-weight:600;letter-spacing:.4px;text-transform:uppercase;color:var(--cop);margin-bottom:20px}
.art-hero h1{font-family:'Lora',Georgia,serif;font-size:clamp(1.9rem,3.5vw,2.8rem);font-weight:600;color:var(--white);line-height:1.2;letter-spacing:-.5px;margin-bottom:20px}
.art-meta{display:flex;align-items:center;gap:20px;margin-bottom:24px;flex-wrap:wrap}
.art-meta-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--n-400)}
.art-meta-item svg{width:13px;height:13px;stroke:var(--n-500);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.art-lead{font-size:16px;color:var(--n-200);line-height:1.8;font-weight:300;max-width:680px;border-left:3px solid rgba(69,190,221,.4);padding-left:18px}

/* Layout */
.art-wrap{max-width:1140px;margin:0 auto;padding:64px 2.5rem 80px;display:grid;grid-template-columns:252px 1fr;gap:5rem}

/* TOC Sidebar */
.toc-sidebar{position:relative}
.toc-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:0}
.toc-card{background:var(--white);border:1.5px solid var(--border);border-radius:var(--r-lg);overflow:hidden}
.toc-card-header{padding:16px 18px;border-bottom:1px solid var(--border);background:var(--bg)}
.toc-card-label{font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--text3)}
.toc-card-title{font-size:13px;font-weight:600;color:var(--n-900);margin-top:2px}
.toc-nav{padding:12px 0}
.toc-link{display:flex;align-items:flex-start;gap:10px;padding:8px 18px;font-size:12.5px;color:var(--text2);transition:all .15s;line-height:1.4;cursor:pointer;border-left:2px solid transparent;position:relative}
.toc-link::before{content:'';width:4px;height:4px;border-radius:50%;background:var(--n-200);flex-shrink:0;margin-top:6px;transition:background .15s}
.toc-link:hover{color:var(--n-900);background:var(--bg);border-left-color:var(--n-100)}
.toc-link.active{color:var(--blue);font-weight:500;background:var(--blue-ll);border-left-color:var(--blue)}
.toc-link.active::before{background:var(--blue)}
.toc-footer{padding:14px 18px;border-top:1px solid var(--border);background:var(--bg)}
.toc-readtime{font-size:11.5px;color:var(--text3);display:flex;align-items:center;gap:6px}
.toc-readtime svg{width:12px;height:12px;stroke:var(--text3);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.toc-cta-box{background:var(--n-900);border-radius:var(--r-lg);padding:20px;margin-top:14px;position:relative;overflow:hidden}
.toc-cta-box::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px);background-size:32px 32px}
.tcb-inner{position:relative;z-index:1}
.tcb-tag{font-size:9.5px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;color:var(--cop);background:rgba(69,190,221,.12);border:1px solid rgba(69,190,221,.25);border-radius:100px;padding:2px 9px;display:inline-block;margin-bottom:10px}
.tcb-title{font-size:13.5px;font-weight:600;color:var(--white);line-height:1.35;margin-bottom:6px}
.tcb-sub{font-size:11.5px;color:var(--n-300);font-weight:300;margin-bottom:14px;line-height:1.6}
.tcb-btn{display:flex;align-items:center;justify-content:center;gap:6px;background:var(--blue);color:var(--white);font-family:'Poppins',sans-serif;font-size:12px;font-weight:600;padding:10px 14px;border-radius:var(--r-sm);border:none;cursor:pointer;width:100%;transition:background .15s}
.tcb-btn:hover{background:var(--blue-d)}

/* Article body */
.art-body{min-width:0;counter-reset:section}
.art-section{margin-bottom:60px;scroll-margin-top:100px}

/* ── Gutenberg raw elements ─ these must match .art-* classes above ── */
.art-body h2{font-family:'Lora',Georgia,serif;font-size:1.55rem;font-weight:600;color:var(--n-900);line-height:1.25;margin-top:2.5rem;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--bg2);counter-increment:section}
.art-body h2::before{content:counter(section, decimal-leading-zero);display:block;font-family:'Poppins',sans-serif;font-size:10px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--blue);margin-bottom:6px}
.art-body h3{font-size:1.05rem;font-weight:600;color:var(--n-900);margin-top:28px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.art-body h3::before{content:'';width:18px;height:2px;background:var(--cop);flex-shrink:0;border-radius:2px;display:inline-block}
.art-body h4{font-size:.95rem;font-weight:600;color:var(--n-900);margin-top:1.5rem;margin-bottom:.4rem}
.art-body p{font-size:15.5px;color:var(--text);line-height:1.85;margin-bottom:1.1rem;font-weight:300}
.art-body p strong,.art-body p b{font-weight:600;color:var(--n-900)}
.art-body p a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.art-body ul,.art-body ol{margin:.5rem 0 1.1rem 1.4rem;display:flex;flex-direction:column;gap:7px}
.art-body ul li{list-style:disc;font-size:15px;color:var(--text2);line-height:1.65;font-weight:300}
.art-body ol li{list-style:decimal;font-size:15px;color:var(--text2);line-height:1.65;font-weight:300}
.art-body blockquote{border-left:3px solid var(--cop);padding:10px 0 10px 18px;margin:1.5rem 0;font-style:italic;color:var(--text2)}
.art-body hr{border:none;border-top:1px solid var(--border);margin:2rem 0}
/* first h2 shouldn't have top margin */
.art-body > h2:first-child,.art-body > .wp-block-heading:first-child{margin-top:0}
.art-h2{font-family:'Lora',Georgia,serif;font-size:1.55rem;font-weight:600;color:var(--n-900);line-height:1.25;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--bg2);counter-increment:section}
.art-h2::before{content:counter(section, decimal-leading-zero);display:block;font-family:'Poppins',sans-serif;font-size:10px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--blue);margin-bottom:6px}
.art-h3{font-size:1.05rem;font-weight:600;color:var(--n-900);margin-top:28px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.art-h3::before{content:'';width:18px;height:2px;background:var(--cop);flex-shrink:0;border-radius:2px}
.art-p{font-size:15.5px;color:var(--text);line-height:1.85;margin-bottom:18px;font-weight:300}
.art-p strong{font-weight:600;color:var(--n-900)}
.art-lead-p{font-size:16px;line-height:1.85;color:var(--n-700);font-weight:400;margin-bottom:22px}
.art-list{list-style:none;padding:0;margin:16px 0 24px;display:flex;flex-direction:column;gap:10px}
.art-list li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--text2);line-height:1.65;font-weight:300}
.art-list li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--blue);flex-shrink:0;margin-top:8px}
.art-list li strong{color:var(--n-900)}

/* Comparison table */
.art-table-wrap{margin:28px 0;overflow-x:auto;border-radius:var(--r-lg);border:1.5px solid var(--border)}
.art-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:460px}
.art-table thead tr{background:var(--n-900)}
.art-table th{text-align:left;padding:13px 18px;font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--n-200)}
.art-table th:first-child{color:var(--n-400)}
.art-table td{padding:13px 18px;border-bottom:1px solid var(--bg2);color:var(--text2);font-weight:300;line-height:1.55;vertical-align:top}
.art-table td:first-child{font-weight:600;color:var(--n-700);font-size:12px;text-transform:uppercase;letter-spacing:.3px;white-space:nowrap}
.art-table tbody tr:last-child td{border-bottom:none}
.art-table tbody tr:nth-child(even) td{background:var(--bg)}

/* Key fact */
.art-keyfact{background:var(--blue-ll);border-left:3px solid var(--blue);border-radius:0 var(--r-md) var(--r-md) 0;padding:16px 20px;margin:24px 0;display:flex;align-items:flex-start;gap:12px}
.art-keyfact-ico{font-size:18px;flex-shrink:0;margin-top:1px}
.art-keyfact-text{font-size:14px;color:var(--n-700);line-height:1.65;font-weight:400}
.art-keyfact-text strong{color:var(--blue-d)}

/* Dark highlight */
.art-highlight{background:var(--n-900);border-radius:var(--r-xl);padding:32px;margin:32px 0;position:relative;overflow:hidden}
.art-highlight::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px);background-size:40px 40px}
.ah-inner{position:relative;z-index:1}
.ah-tag{font-size:10px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:#D4AF37;background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.28);border-radius:100px;padding:3px 12px;display:inline-block;margin-bottom:16px}
.ah-title{font-family:'Lora',Georgia,serif;font-size:1.25rem;font-weight:600;color:var(--white);margin-bottom:12px;line-height:1.3}
.ah-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.ah-item{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--n-200);line-height:1.6;font-weight:300}
.ah-item-dot{width:6px;height:6px;border-radius:50%;background:#22C55E;flex-shrink:0;margin-top:7px}
.ah-item strong{color:var(--white)}
.ah-price{display:inline-flex;align-items:baseline;gap:6px;margin-top:4px;padding:10px 18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md)}
.ah-price-num{font-size:2.2rem;font-weight:700;color:var(--white);letter-spacing:-1px;line-height:1}
.ah-price-unit{font-size:13px;color:var(--n-300);font-weight:300}
.ah-cta{margin-top:20px;display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:var(--white);font-family:'Poppins',sans-serif;font-size:13px;font-weight:600;padding:11px 22px;border-radius:var(--r-sm);border:none;cursor:pointer;transition:background .15s}
.ah-cta:hover{background:var(--blue-d)}

/* FAQ */
.art-section.faq-section .art-h2::before{content:'FAQ'}
.faq-grid{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.faq-item{border:1.5px solid var(--border);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:rgba(27,95,168,.3)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:16px 20px;font-family:'Poppins',sans-serif;font-size:14px;font-weight:600;color:var(--n-900);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:background .15s}
.faq-q:hover{background:var(--bg)}
.faq-item.open .faq-q{background:var(--blue-ll);color:var(--blue)}
.faq-icon{width:22px;height:22px;border-radius:50%;background:var(--bg2);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px;font-weight:300;color:var(--text3);transition:all .2s;line-height:1}
.faq-item.open .faq-icon{background:rgba(27,95,168,.12);color:var(--blue);transform:rotate(45deg)}
.faq-a{overflow:hidden;max-height:0;transition:max-height .32s cubic-bezier(.4,0,.2,1)}
.faq-a-inner{padding:0 20px 16px;font-size:14px;color:var(--text2);line-height:1.75;font-weight:300}

/* Article CTA */
.art-cta{background:var(--blue);padding:72px 2.5rem;position:relative;overflow:hidden}
.art-cta::before{content:'';position:absolute;top:-60px;right:3%;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.07) 0%,transparent 70%)}
.art-cta-inner{max-width:1140px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:3rem;position:relative;z-index:1}
.art-cta-h{font-family:'Lora',Georgia,serif;font-size:clamp(1.7rem,2.5vw,2.4rem);font-weight:600;color:var(--white);line-height:1.25;letter-spacing:-.3px}
.art-cta-h em{font-style:italic;opacity:.85}
.art-cta-sub{font-size:14.5px;color:rgba(255,255,255,.72);margin-top:10px;max-width:440px;font-weight:300;line-height:1.7}
.art-cta-btns{display:flex;gap:10px;flex-shrink:0;flex-wrap:wrap}

/* Related articles */
.art-related{background:var(--bg);padding:72px 2.5rem}
.art-related-inner{max-width:1140px;margin:0 auto}
.art-related-header{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:32px}
.art-related-title{font-size:1.2rem;font-weight:700;color:var(--n-900);letter-spacing:-.3px}
.art-related-link{font-size:13px;font-weight:500;color:var(--blue);display:flex;align-items:center;gap:5px;transition:gap .15s}
.art-related-link:hover{gap:9px}
.art-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.art-card{background:var(--white);border:1.5px solid var(--border);border-radius:var(--r-lg);overflow:hidden;cursor:pointer;transition:all .2s}
.art-card:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 8px 28px rgba(27,95,168,.08)}
.art-card-img{height:130px;background:var(--n-900);position:relative;overflow:hidden}
.art-card-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.art-card-img-inner{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:32px 32px;z-index:1}
.art-card-cat{position:absolute;top:12px;left:14px;font-size:9.5px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--cop);background:rgba(69,190,221,.14);border:1px solid rgba(69,190,221,.28);border-radius:100px;padding:2px 9px;z-index:2}
.art-card-body{padding:18px}
.art-card-title{font-size:14px;font-weight:600;color:var(--n-900);line-height:1.4;margin-bottom:8px}
.art-card-meta{font-size:11px;color:var(--text3)}

/* Mobile TOC */
.toc-mobile{display:none;background:var(--white);border:1.5px solid var(--border);border-radius:var(--r-md);padding:14px 16px;margin-bottom:28px;cursor:pointer;width:100%}
.toc-mobile-label{font-size:13px;font-weight:600;color:var(--n-900);display:flex;align-items:center;justify-content:space-between}
.toc-mobile-list{display:none;margin-top:12px;padding-top:12px;border-top:1px solid var(--border);flex-direction:column;gap:6px}
.toc-mobile.open .toc-mobile-list{display:flex}
@media(max-width:820px){.toc-mobile{display:block}}

/* Responsive */
@media(max-width:1000px){.art-wrap{grid-template-columns:220px 1fr;gap:3rem}}
@media(max-width:820px){
  .art-wrap{grid-template-columns:1fr;padding:40px 1.25rem 60px}
  .toc-sidebar{display:none}
  .art-hero{padding:44px 1.25rem 48px}
  .art-cta{padding:52px 1.25rem}
  .art-cta-inner{flex-direction:column;align-items:flex-start}
  .art-related{padding:52px 1.25rem}
  .art-cards{grid-template-columns:1fr}
}
@media(max-width:480px){.art-h2{font-size:1.3rem}}