/* Skilky v0.6 SEO layer + Stage 3 */
.seo-summary{display:inline-flex;align-items:baseline;gap:10px;margin:0 0 24px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:#fff}.seo-summary strong{font-size:1.6rem}.seo-summary span{color:var(--muted)}
.seo-copy{font-size:1.02rem;line-height:1.72}.seo-copy h2{margin-top:0}.check-list{display:grid;gap:12px;padding:0;margin:22px 0 0;list-style:none}.check-list li{position:relative;padding-left:30px}.check-list li:before{content:'✓';position:absolute;left:0;top:0;font-weight:800}
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.guide-card{display:block;padding:24px;border:1px solid var(--line);border-radius:16px;background:#fff;text-decoration:none;color:inherit;transition:transform .18s ease,border-color .18s ease}.guide-card:hover{transform:translateY(-2px);border-color:#cfd5dd}.guide-card>span{display:inline-block;margin-bottom:10px;font-size:.78rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.guide-card h2,.guide-card h3{margin:0 0 10px;font-size:1.18rem}.guide-card p{margin:0 0 16px;color:var(--muted);line-height:1.55}.guide-card strong{font-size:.92rem}.seo-notice{margin-top:24px}.guide-aside-note{display:block;margin-top:14px;color:var(--muted);line-height:1.45}.related-guides{margin-top:32px}.related-guides a,.seo-links a{display:block;padding:10px 0;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}.seo-links{margin-top:24px}.seo-links a:first-child{font-weight:700}

/* Stage 2 category hubs */
.seo-cluster-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.seo-cluster-card{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 28px rgba(16,24,40,.045)}.seo-cluster-card h3{margin:5px 0 8px;font-size:1.15rem}.seo-cluster-card h3 a{color:inherit;text-decoration:none}.seo-cluster-card h3 a:hover{text-decoration:underline}.seo-cluster-card p{margin:0 0 15px;color:var(--muted);line-height:1.5}.seo-cluster-count{font-size:.76rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}.seo-cluster-links{display:flex;flex-wrap:wrap;gap:8px}.seo-cluster-links a{display:inline-flex;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:#f8fafc;color:inherit;text-decoration:none;font-size:.88rem;line-height:1.2}.seo-cluster-links a:hover{border-color:#b8c3d1;background:#fff}
.seo-hub-nav{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}.seo-hub-nav strong{margin-right:2px}.seo-hub-nav a,.seo-primary-links a{display:inline-flex;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;text-decoration:none;color:inherit;font-weight:650}.seo-hub-nav a:hover,.seo-primary-links a:hover{border-color:#b8c3d1}

/* Semantic related cards */
.related-tools{display:none}.seo-primary-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.smart-related-section{padding-top:42px;padding-bottom:42px}.smart-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.smart-related-card{position:relative;display:flex;gap:13px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff;text-decoration:none;color:inherit;min-height:150px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.smart-related-card:hover{transform:translateY(-2px);border-color:#c5ced9;box-shadow:0 10px 28px rgba(16,24,40,.055)}.smart-related-card>.tool-icon{flex:0 0 auto}.smart-related-card div{min-width:0}.smart-related-card small{display:block;margin-bottom:4px;color:var(--muted);font-weight:700}.smart-related-card h3{margin:0 22px 6px 0;font-size:1.02rem}.smart-related-card p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.45}.smart-related-card>strong{position:absolute;right:15px;top:16px}

/* Stage 3: stronger thematic sections without creating thin landing URLs. */
.seo-theme-nav{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin:18px 0 28px;padding:15px 16px;border:1px solid var(--line);border-radius:16px;background:#f8fafc}.seo-theme-nav strong{margin-right:4px}.seo-theme-nav a{display:inline-flex;align-items:center;gap:6px;padding:8px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:inherit;text-decoration:none;font-size:.88rem;font-weight:650}.seo-theme-nav a:hover{border-color:#aeb9c8}.seo-theme-nav a span{font-size:.75rem;color:var(--muted);font-weight:700}
.seo-topic-sections{border-top:1px solid var(--line)}.seo-topic-intro{max-width:760px;margin:8px 0 0;color:var(--muted);line-height:1.65}.seo-topic-block{scroll-margin-top:90px;padding:30px 0;border-top:1px solid var(--line)}.seo-topic-block:first-of-type{border-top:0}.seo-topic-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.seo-topic-head h2{margin:4px 0 0;font-size:1.45rem}.seo-topic-head>a{white-space:nowrap;color:inherit;text-decoration:none;font-weight:650;font-size:.9rem}.seo-topic-count{font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:800}.seo-topic-block>p{max-width:900px;margin:12px 0 18px;color:var(--muted);line-height:1.68}.seo-topic-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.seo-topic-links>a{position:relative;display:block;padding:14px 42px 14px 15px;border:1px solid var(--line);border-radius:14px;background:#fff;color:inherit;text-decoration:none}.seo-topic-links>a:hover{border-color:#b9c4d1}.seo-topic-links span{display:block;font-weight:750;margin-bottom:4px}.seo-topic-links small{display:block;color:var(--muted);line-height:1.4}.seo-topic-links strong{position:absolute;right:15px;top:14px}.seo-topic-backlink{border-color:#aeb9c8!important;background:#f8fafc!important}

@media(max-width:900px){.smart-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.guide-grid,.seo-cluster-grid,.smart-related-grid,.seo-topic-links{grid-template-columns:1fr}.guide-card{padding:20px}.seo-cluster-card{padding:18px}.smart-related-card{min-height:0}.seo-primary-links{display:grid}.seo-primary-links a{justify-content:center}.seo-topic-head{display:block}.seo-topic-head>a{display:inline-block;margin-top:10px}.seo-topic-block{padding:24px 0}.seo-theme-nav{align-items:flex-start}}