/* Blogs hub — follows DESIGN_RULES_16: zero shadow, 1px border, 4px grid, flat hover */
html { scroll-behavior: auto; overscroll-behavior-y: none; }
.vlog-body{background:#fff;color:#09090b;font-family:'Inter',system-ui,sans-serif;letter-spacing:.01rem;overscroll-behavior-y:none}
.vlog-container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.vlog-hero{padding:48px 0 24px;text-align:left}
.vlog-hero h1{font-size:28px;font-weight:500;letter-spacing:.01rem;margin:0 0 8px}
.vlog-hero p{font-size:14px;font-weight:400;color:#71717a;margin:0;max-width:720px;line-height:1.6}
.vlog-filter{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 24px}
.vlog-chip{height:32px;padding:0 12px;font-size:13px;border:1px solid #e4e4e7;border-radius:4px;background:#fff;color:#52525b;cursor:pointer;box-shadow:none;transition:background-color 80ms linear}
.vlog-chip:hover{background:#f4f4f5}
.vlog-chip.active{background:#09090b;color:#fff;border-color:#09090b}
.vlog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-bottom:48px}
.vlog-card{border:1px solid #e4e4e7;border-radius:8px;padding:20px;background:#fff;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:12px;box-shadow:none;transition:background-color 80ms linear}
.vlog-card:hover{background:#f4f4f5}
.vlog-card.dim{opacity:.65}
.vlog-icon{width:32px;height:32px;border:1px solid #e4e4e7;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;background:#fafafa}
.vlog-icon svg{width:16px;height:16px}
.vlog-cat{font-size:11px;font-weight:500;color:#71717a;text-transform:uppercase;letter-spacing:.06em}
.vlog-card h2{font-size:17px;font-weight:500;line-height:1.4;margin:0;text-align:left}
.vlog-card p{font-size:13px;font-weight:400;color:#52525b;line-height:1.6;margin:0}
.vlog-meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:12px;border-top:1px solid #f4f4f5;font-size:12px;color:#71717a}
.vlog-cta{font-size:13px;font-weight:500;color:#09090b}
/* Article */
.vlog-article{max-width:760px;margin:0 auto;padding:32px 20px 48px}
.vlog-article h1{font-size:28px;font-weight:500;line-height:1.3;margin:16px 0 12px}
.vlog-article .lede{font-size:15px;font-weight:400;color:#52525b;line-height:1.7}
.vlog-article h2{font-size:20px;font-weight:500;margin:32px 0 12px}
.vlog-article p{font-size:14px;font-weight:400;line-height:1.8;color:#27272a;margin:0 0 16px}
.vlog-article ul{padding-left:20px;margin:0 0 16px}
.vlog-article li{font-size:14px;line-height:1.7;margin-bottom:8px;color:#27272a}
.vlog-back{font-size:13px;color:#71717a;text-decoration:none}
.vlog-back:hover{color:#09090b}
.vlog-related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
@media(max-width:900px){.vlog-grid,.vlog-related{grid-template-columns:1fr}}
/* Brand warmth: same gradient as product icon */
:root{--vlog-grad:linear-gradient(135deg,#0067FF 0%,#008EF7 45%,#00BDE1 75%,#08D894 100%)}
.vlog-icon{background:linear-gradient(135deg,#eff6ff,#ecfdf5);border:1px solid #e4e4e7}
.vlog-icon svg{stroke:url(#vlogGrad)}
.vlog-icon{color:#0067FF}
.vlog-card{position:relative}
.vlog-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:8px 8px 0 0;background:var(--vlog-grad);opacity:0;transition:opacity 80ms linear}
.vlog-card:hover::before{opacity:1}
.vlog-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;color:#0067FF}
.vlog-kicker::before{content:"";width:20px;height:3px;border-radius:2px;background:var(--vlog-grad);display:inline-block}
.vlog-human{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:12px;color:#71717a}
.vlog-human .avatar{width:28px;height:28px;border-radius:50%;background:#09090b;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:600}
.vlog-human .byline-name{font-weight:700;color:#09090b}
.vlog-cta-banner{margin-top:32px;border:1px solid #e4e4e7;border-radius:12px;padding:24px;background:linear-gradient(135deg,#f0f7ff 0%,#f0fdf8 100%)}
/* Article shell with left index like docs */
.vlog-shell{max-width:1160px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;align-items:start}
.vlog-toc{position:sticky;top:84px;max-height:calc(100vh - 100px);overflow-y:auto;padding:28px 0;scrollbar-width:thin}
.vlog-toc-title{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:#71717a;margin:0 0 10px}
.vlog-toc a{display:block;font-size:13px;font-weight:400;color:#52525b;text-decoration:none;padding:6px 0 6px 12px;border-left:2px solid #e4e4e7;line-height:1.5}
.vlog-toc a:hover{color:#09090b}
.vlog-toc a.is-active{color:#09090b;font-weight:500;border-left:2px solid transparent;border-image:linear-gradient(180deg,#0067FF,#08D894) 1}
.vlog-toc .toc-progress{height:3px;border-radius:2px;background:#f4f4f5;margin-bottom:16px;overflow:hidden}
.vlog-toc .toc-progress span{display:block;height:100%;width:0;background:var(--vlog-grad);border-radius:2px}
.vlog-article{max-width:760px;margin:0;padding:32px 0 48px;min-width:0}
.vlog-toc-toggle{display:none;width:100%;height:36px;border:1px solid #e4e4e7;border-radius:8px;background:#fff;font-size:13px;font-weight:500;margin-top:16px}
.vlog-hero-art{margin:20px 0;border:1px solid #e4e4e7;border-radius:12px;overflow:hidden}
/* SVG illustration slide motion */
.vlog-hero-art svg g,.vlog-card svg g{transform-box:fill-box;transform-origin:center}
.ill-float{animation:illFloat 4.5s ease-in-out infinite}
.ill-slide{animation:illSlide 5.5s ease-in-out infinite}
.ill-pulse{animation:illPulse 3.2s ease-in-out infinite}
.ill-spin{animation:illSpin 9s linear infinite}
@keyframes illFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes illSlide{0%,100%{transform:translateX(0)}50%{transform:translateX(7px)}}
@keyframes illPulse{0%,100%{opacity:1}50%{opacity:.55}}
@keyframes illSpin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.ill-float,.ill-slide,.ill-pulse,.ill-spin{animation:none}}
.vlog-rail-back{display:inline-block;margin-bottom:16px}
@media(max-width:900px){
.vlog-shell{grid-template-columns:1fr}.vlog-toc{position:static;max-height:none;padding:0}.vlog-toc-list{display:none}.vlog-toc.open .vlog-toc-list{display:block}.vlog-toc-toggle{display:block}}