*{box-sizing:border-box}:root{--bg:#0b0f19;--card:#151c2c;--border:#232d42;--text:#e2e8f0;--muted:#94a3b8;--accent:#38bdf8;--accent-glow:rgba(56,189,248,0.12)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.masthead{background:var(--card);border-bottom:1px solid var(--border);padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.logo{font-size:1.2rem;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:0.05em}.desktop-nav ul{display:flex;gap:1.5rem;list-style:none}.desktop-nav a{color:var(--text);font-weight:500;font-size:0.95rem}.desktop-nav a[aria-current="page"]{color:var(--accent)}.mobile-nav{display:none}.mobile-nav summary{color:var(--text);cursor:pointer;padding:0.5rem;font-weight:600;list-style:none}.mobile-nav nav{display:flex;flex-direction:column;gap:0.75rem;padding:0.75rem 0;background:var(--card)}main#main{max-width:1200px;margin:0 auto;padding:1.5rem;display:grid;grid-template-columns:1fr 320px;gap:2rem}.primary-region{display:flex;flex-direction:column;gap:1.5rem}.secondary-region{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:1.25rem;height:fit-content}h1{font-size:1.75rem;color:#fff;font-weight:700;border-left:4px solid var(--accent);padding-left:0.75rem;margin-bottom:0.5rem}h2{font-size:1.25rem;color:#fff;margin-bottom:1rem;padding-bottom:0.5rem;border-bottom:1px solid var(--border)}h3{font-size:1.1rem;color:var(--accent);margin-bottom:0.25rem}time{font-size:0.8rem;color:var(--muted);display:block;margin-bottom:0.5rem}.timeline-list{display:flex;flex-direction:column;gap:1rem;position:relative;padding-left:1rem;border-left:2px solid var(--border);list-style:none}.timeline-item{background:var(--card);border:1px solid var(--border);border-radius:6px;padding:1rem;position:relative}.timeline-item::before{content:"";position:absolute;left:-1.35rem;top:1.2rem;width:8px;height:8px;border-radius:50%;background:var(--accent)}.bvi-posts{display:flex;flex-direction:column;gap:1.5rem}.bvi-post{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:1.25rem}.bvi-post.featured{border-color:var(--accent);background:linear-gradient(180deg,var(--accent-glow) 0%,var(--card) 100%)}.numbered-list{list-style:none;counter-reset:item;display:flex;flex-direction:column;gap:1rem}.numbered-list li{counter-increment:item;position:relative;padding-left:2.5rem}.numbered-list li::before{content:counter(item,decimal-leading-zero);position:absolute;left:0;top:0;font-size:1.25rem;font-weight:700;color:var(--accent)}.article-body{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:2rem;font-size:1.05rem;line-height:1.8}.article-body p{margin-bottom:1.25rem;color:#cbd5e1}blockquote{border-left:3px solid var(--accent);padding:0.75rem 1rem;background:var(--accent-glow);margin:1.25rem 0;font-style:italic;border-radius:0 6px 6px 0}table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:0.9rem}th,td{border:1px solid var(--border);padding:0.75rem;text-align:left}th{background:#0f172a;color:#fff}dl{display:grid;grid-template-columns:auto 1fr;gap:0.5rem 1rem}dt{font-weight:600;color:var(--muted)}dd{color:#fff}footer{background:var(--card);border-top:1px solid var(--border);padding:2rem 1.5rem;text-align:center;color:var(--muted);margin-top:3rem}@media (max-width:860px){main#main{grid-template-columns:1fr}.desktop-nav{display:none}.mobile-nav{display:block}}

/* page-layout-planner-v1 */
html:root:root:root :is(main,div,section):has(>.flow-content-shell){display:flex!important;flex-direction:column!important;align-items:stretch!important}html:root:root:root .flow-content-shell{width:100%!important;max-width:none!important;min-width:0!important;align-self:stretch!important;grid-column:1/-1!important;flex:none!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home){display:grid!important;box-sizing:border-box!important;align-items:start!important;gap:32px!important;width:100%!important;max-width:1080px!important;margin-inline:auto!important;padding-inline:0!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home)>[data-region="primary"],html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home)>[data-region="secondary"]{position:static!important;float:none!important;transform:none!important;grid-area:auto!important;margin:0!important;min-width:0!important;max-width:none!important;width:auto!important;align-self:start!important}@media(min-width:901px){html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home){grid-template-columns:minmax(0,1fr) 288px!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home)>[data-region="primary"]{grid-row:1!important;grid-column:1!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home)>[data-region="secondary"]{grid-row:1!important;grid-column:2!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home)>[data-region="secondary"] .bvi-topics{display:block!important}}@media(max-width:900px){html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home){grid-template-columns:minmax(0,1fr)!important;padding-inline:16px!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home)>[data-region="primary"]{grid-column:1!important;grid-row:1!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home)>[data-region="secondary"]{grid-column:1!important;grid-row:2!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-home)>[data-region="secondary"] .bvi-topics{display:block!important}}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category){display:grid!important;box-sizing:border-box!important;align-items:start!important;gap:32px!important;width:100%!important;max-width:1080px!important;margin-inline:auto!important;padding-inline:0!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category)>[data-region="primary"],html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category)>[data-region="secondary"]{position:static!important;float:none!important;transform:none!important;grid-area:auto!important;margin:0!important;min-width:0!important;max-width:none!important;width:auto!important;align-self:start!important}@media(min-width:901px){html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category){grid-template-columns:minmax(0,1fr)!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category)>[data-region="primary"]{grid-column:1!important;grid-row:1!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category)>[data-region="secondary"]{grid-column:1!important;grid-row:2!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category)>[data-region="secondary"] .bvi-topics{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:12px 24px!important}}@media(max-width:900px){html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category){grid-template-columns:minmax(0,1fr)!important;padding-inline:16px!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category)>[data-region="primary"]{grid-column:1!important;grid-row:1!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category)>[data-region="secondary"]{grid-column:1!important;grid-row:2!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-category)>[data-region="secondary"] .bvi-topics{display:block!important}}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article){display:grid!important;box-sizing:border-box!important;align-items:start!important;gap:32px!important;width:100%!important;max-width:1320px!important;margin-inline:auto!important;padding-inline:0!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article)>[data-region="primary"],html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article)>[data-region="secondary"]{position:static!important;float:none!important;transform:none!important;grid-area:auto!important;margin:0!important;min-width:0!important;max-width:none!important;width:auto!important;align-self:start!important}@media(min-width:901px){html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article){grid-template-columns:minmax(0,1fr)!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article)>[data-region="primary"]{grid-column:1!important;grid-row:1!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article)>[data-region="secondary"]{grid-column:1!important;grid-row:2!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article)>[data-region="secondary"] .bvi-topics{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:12px 24px!important}}@media(max-width:900px){html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article){grid-template-columns:minmax(0,1fr)!important;padding-inline:16px!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article)>[data-region="primary"]{grid-column:1!important;grid-row:1!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article)>[data-region="secondary"]{grid-column:1!important;grid-row:2!important}html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]):where(.flow-plan-article)>[data-region="secondary"] .bvi-topics{display:block!important}}
img,video,iframe{max-width:100%;height:auto}img{display:block}.entry-content{overflow-wrap:anywhere}.entry-content table{max-width:100%}.bvi-skip{position:absolute;left:-10000px}.bvi-skip:focus{left:12px;top:12px;z-index:9999;background:white;padding:12px}.bvi-menu-list{display:flex;flex-wrap:wrap;gap:12px;list-style:none;margin:0;padding:0}.bvi-menu-list .sub-menu{list-style:none;padding-left:12px}.mobile-nav .bvi-menu-list{display:block}.bvi-topics{list-style:none;padding:0}.bvi-topics li{padding:10px 0}.bvi-posts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.bvi-post{padding:20px 0}.bvi-post img{margin:14px 0;aspect-ratio:16/9;object-fit:cover}.bvi-latest{margin-top:28px}.bvi-featured{margin-bottom:24px}[data-region=footer] nav{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}[data-region=footer] a{color:inherit}.entry-content figure{margin-left:0;margin-right:0}[data-region=primary],[data-region=secondary]{min-width:0}body{overflow-wrap:anywhere}.mobile-nav nav a{display:block;padding:10px}.desktop-nav{flex-wrap:wrap}[data-region=primary]>h1{margin-top:0}.bvi-composition-rail .desktop-nav .bvi-menu-list{flex-direction:column}.bvi-composition-above .bvi-topics{display:flex;flex-wrap:wrap;gap:20px}.bvi-composition-below .article-body{max-width:70ch;margin:auto}
@media(max-width:800px){.bvi-posts{grid-template-columns:minmax(0,1fr)}.entry-content{font-size:17px}.mobile-nav{max-width:100%}.mobile-nav summary{white-space:nowrap}.bvi-menu-list{max-width:100%}}
.article-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:.35em .75em}

/* Responsive intrinsic sizing: wrap content, never hide horizontal overflow. */
@media(max-width:900px){
html:root:root:root :is(main,div,section):has(>[data-region="primary"]):has(>[data-region="secondary"]){box-sizing:border-box!important;min-width:0!important;max-width:100%!important;grid-template-columns:minmax(0,1fr)!important}
html:root:root:root [data-region="primary"],html:root:root:root [data-region="secondary"]{box-sizing:border-box!important;min-width:0!important;max-width:100%!important;overflow-wrap:anywhere;grid-column:1!important}
.bvi-news-card,.bvi-post,.article-body{min-width:0;overflow-wrap:anywhere}
}

.bvi-post h2 a,.bvi-topics a{color:inherit}
@media(max-width:600px){html body [data-region="masthead"] details[open] nav,html body [data-region="masthead"] details[open]>.mobile-menu-links{display:flex!important;flex-direction:column!important;gap:8px!important}html body [data-region="masthead"] details[open] a{display:block!important;min-height:44px!important;padding:10px 12px!important;white-space:normal!important;overflow-wrap:anywhere}}