:root{--blue:#0d4f8b;--blue-dark:#07345e;--blue-soft:#eaf4fb;--white:#fff;--paper:#f7fbfe;--graphite:#1c2733;--muted:#617180;--line:#8fb4d0;--max:1240px;--shadow:0 18px 55px rgba(7,52,94,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--graphite);background-color:var(--paper);background-image:linear-gradient(rgba(13,79,139,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(13,79,139,.055) 1px,transparent 1px),linear-gradient(rgba(13,79,139,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(13,79,139,.025) 1px,transparent 1px);background-size:40px 40px,40px 40px,8px 8px,8px 8px;font-family:Inter,Arial,sans-serif;line-height:1.7}img{max-width:100%;height:auto}a{color:var(--blue)}a:hover{color:var(--blue-dark)}button,input{font:inherit}.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.bvx-skip-link{position:fixed;left:12px;top:-100px;z-index:9999;background:#fff;color:#000;padding:10px 16px}.bvx-skip-link:focus{top:12px}.bvx-site-header{position:sticky;top:0;z-index:100;background:rgba(247,251,254,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--blue)}.bvx-header-inner{max-width:var(--max);margin:auto;padding:14px 24px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}.bvx-brand img{display:block;width:auto;height:44px}.bvx-nav{justify-self:center}.bvx-menu,.bvx-footer-menu,.bvx-legal-list{list-style:none;margin:0;padding:0}.bvx-menu{display:flex;gap:24px}.bvx-menu a,.bvx-search-toggle,.bvx-menu-toggle{font-family:"Courier New",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:700;text-decoration:none;color:var(--graphite)}.bvx-menu a{padding:9px 0;border-bottom:1px dashed transparent}.bvx-menu a:hover,.bvx-menu .current-menu-item>a{color:var(--blue);border-color:var(--blue)}.bvx-search-toggle,.bvx-menu-toggle{background:transparent;border:1px solid var(--blue);padding:9px 14px;cursor:pointer}.bvx-menu-toggle{display:none}.bvx-search-panel{background:var(--blue-dark);padding:20px 24px;border-bottom:1px solid #fff}.bvx-search-inner{max-width:760px;margin:auto}.bvx-search-form{display:grid;grid-template-columns:1fr auto;gap:10px}.bvx-search-field{width:100%;border:1px solid #a9c9df;background:#fff;padding:14px 16px;color:#111;outline:none}.bvx-search-field:focus{box-shadow:0 0 0 3px rgba(255,255,255,.25)}.bvx-search-form button{border:1px solid #fff;background:#fff;color:var(--blue-dark);font-family:"Courier New",monospace;text-transform:uppercase;font-weight:700;padding:0 20px;cursor:pointer}.bvx-site-main{min-height:60vh}.bvx-kicker{display:inline-block;font:700 .75rem/1.2 "Courier New",monospace;letter-spacing:.12em;color:var(--blue);text-transform:uppercase}.bvx-hero{position:relative;max-width:var(--max);margin:28px auto 0;padding:52px 24px 30px;display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;overflow:hidden}.bvx-hero:before,.bvx-hero:after{content:"";position:absolute;width:44px;height:44px;border-color:var(--blue);pointer-events:none}.bvx-hero:before{left:8px;top:8px;border-left:1px solid;border-top:1px solid}.bvx-hero:after{right:8px;bottom:8px;border-right:1px solid;border-bottom:1px solid}.bvx-hero-copy{position:relative;z-index:2}.bvx-hero h1{font-family:"Courier New",monospace;font-size:clamp(2.5rem,5vw,5.8rem);line-height:.98;letter-spacing:-.06em;margin:18px 0 22px;color:var(--blue-dark);max-width:900px}.bvx-hero p{font-size:1.16rem;max-width:680px;color:#445461}.bvx-hero-art{margin:0;position:relative}.bvx-hero-art img{display:block;border:1px solid var(--blue);box-shadow:var(--shadow);background:#0d4f8b}.bvx-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.bvx-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;background:var(--blue);color:#fff;text-decoration:none;border:1px solid var(--blue);font-family:"Courier New",monospace;font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;cursor:pointer}.bvx-button:hover{background:var(--blue-dark);color:#fff}.bvx-button--ghost,.bvx-button--outline{background:transparent;color:var(--blue)}.bvx-button--ghost:hover,.bvx-button--outline:hover{background:var(--blue);color:#fff}.bvx-hero-note{grid-column:1/-1;display:grid;grid-template-columns:1.4fr repeat(3,1fr);border-top:1px dashed var(--blue);border-bottom:1px dashed var(--blue);font:700 .74rem/1.4 "Courier New",monospace;text-transform:uppercase;letter-spacing:.08em}.bvx-hero-note>*{padding:11px 14px;border-right:1px solid var(--line)}.bvx-hero-note>*:last-child{border-right:0}.bvx-index-strip{max-width:var(--max);margin:22px auto 60px;padding:0 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--blue)}.bvx-index-strip span{background:#fff;padding:18px 22px;text-align:center;font-family:"Courier New",monospace;text-transform:uppercase;font-size:.78rem;letter-spacing:.06em}.bvx-index-strip b{font-size:1.25rem;color:var(--blue);margin-right:6px}.bvx-blueprint-intro,.bvx-resources,.bvx-related,.bvx-archive-head,.bvx-page{max-width:var(--max);margin:0 auto;padding:70px 24px}.bvx-blueprint-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;border-top:1px dashed var(--blue);align-items:end}.bvx-blueprint-intro h2,.bvx-section-heading h2,.bvx-archive-head h1,.bvx-page h1{font-family:"Courier New",monospace;color:var(--blue-dark);letter-spacing:-.045em;line-height:1.05;font-size:clamp(2rem,4vw,4rem);margin:14px 0}.bvx-pathway-grid{max-width:var(--max);margin:0 auto 40px;padding:0 24px 70px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.bvx-pathway{position:relative;min-height:270px;padding:28px;border:1px solid var(--blue);background:rgba(255,255,255,.92);text-decoration:none;color:var(--graphite);box-shadow:inset 0 0 0 5px #fff,inset 0 0 0 6px rgba(13,79,139,.25);transition:.2s transform,.2s box-shadow}.bvx-pathway:before,.bvx-pathway:after{content:"";position:absolute;width:18px;height:18px;border:1px solid var(--blue)}.bvx-pathway:before{left:10px;top:10px;border-right:0;border-bottom:0}.bvx-pathway:after{right:10px;bottom:10px;border-left:0;border-top:0}.bvx-pathway:hover{transform:translateY(-4px);box-shadow:var(--shadow),inset 0 0 0 5px #fff,inset 0 0 0 6px rgba(13,79,139,.25);color:var(--graphite)}.bvx-pathway-code{font:700 .74rem "Courier New",monospace;color:var(--blue)}.bvx-pathway-icon{display:block;width:54px;height:54px;margin:24px 0;border:1px solid var(--blue);border-radius:50%;background:linear-gradient(90deg,transparent 49%,var(--blue) 50%,transparent 51%),linear-gradient(transparent 49%,var(--blue) 50%,transparent 51%);position:relative}.bvx-pathway-icon:after{content:"";position:absolute;inset:12px;border:1px dashed var(--blue);transform:rotate(45deg)}.bvx-pathway h3{font-family:"Courier New",monospace;font-size:1.4rem;margin:0 0 10px;color:var(--blue-dark)}.bvx-pathway p{color:var(--muted)}.bvx-pathway-link{font:700 .77rem "Courier New",monospace;text-transform:uppercase;color:var(--blue)}.bvx-resources{border-top:1px dashed var(--blue)}.bvx-section-heading{display:grid;grid-template-columns:1fr;max-width:800px;margin-bottom:32px}.bvx-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.bvx-card-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.bvx-card{position:relative;background:#fff;border:1px solid var(--blue);overflow:hidden;box-shadow:0 10px 30px rgba(7,52,94,.08)}.bvx-card:before{content:"SHEET";position:absolute;right:12px;top:12px;z-index:3;background:#fff;border:1px solid var(--blue);padding:3px 6px;font:700 .63rem "Courier New",monospace;color:var(--blue)}.bvx-card-media{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px dashed var(--blue);background:var(--blue)}.bvx-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.bvx-card:hover .bvx-card-media img{transform:scale(1.03)}.bvx-card-crosshair:before,.bvx-card-crosshair:after{content:"";position:absolute;background:rgba(255,255,255,.8);left:50%;top:50%;transform:translate(-50%,-50%)}.bvx-card-crosshair:before{width:42px;height:1px}.bvx-card-crosshair:after{width:1px;height:42px}.bvx-card-body{padding:24px}.bvx-card-meta{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:10px;font:700 .68rem "Courier New",monospace;color:var(--blue);letter-spacing:.06em}.bvx-card h3{font-family:"Courier New",monospace;font-size:1.55rem;line-height:1.1;margin:18px 0 10px}.bvx-card h3 a{text-decoration:none;color:var(--blue-dark)}.bvx-card p{color:var(--muted)}.bvx-text-link{font:700 .76rem "Courier New",monospace;text-transform:uppercase;letter-spacing:.06em}.bvx-older-wrap{text-align:center;margin-top:36px}.bvx-frame{position:relative;background:#fff;border:1px solid var(--blue);box-shadow:inset 0 0 0 7px #fff,inset 0 0 0 8px rgba(13,79,139,.28)}.bvx-archive-head{margin-top:46px;margin-bottom:22px;padding:50px}.bvx-article{max-width:900px;margin:50px auto;padding:0 24px}.bvx-article-header{padding:50px;margin-bottom:28px}.bvx-article-header h1{font-family:"Courier New",monospace;color:var(--blue-dark);font-size:clamp(2.3rem,5vw,4.8rem);line-height:1.02;letter-spacing:-.05em;margin:15px 0}.bvx-article-deck{font-size:1.15rem;color:var(--muted)}.bvx-article-meta{font:700 .72rem "Courier New",monospace;text-transform:uppercase;color:var(--blue)}.bvx-featured{margin:0 0 36px;border:1px solid var(--blue);padding:8px;background:#fff}.bvx-featured img{display:block;width:100%}.bvx-article-content{font-family:Georgia,serif;font-size:1.08rem;color:#283541}.bvx-article-content h2,.bvx-article-content h3{font-family:"Courier New",monospace;color:var(--blue-dark);line-height:1.15;margin-top:2.2em}.bvx-article-content a{color:#075ea8;text-decoration-thickness:2px;text-underline-offset:3px}.bvx-article-content a:visited{color:#503c85}.bvx-article-content a:hover,.bvx-article-content a:focus{color:#000;background:#dceef9}.bvx-context-links{margin:28px 0;padding:18px;border:1px dashed var(--blue);background:var(--blue-soft);font-family:Inter,Arial,sans-serif}.bvx-context-links strong{font-family:"Courier New",monospace;text-transform:uppercase;color:var(--blue-dark)}.bvx-related{padding-top:30px}.bvx-page{max-width:900px;margin-top:50px;margin-bottom:50px;padding:50px}.bvx-site-footer{margin-top:70px;background:var(--blue-dark);color:#e8f5ff;border-top:4px double #fff}.bvx-footer-rule{height:28px;display:flex;align-items:center}.bvx-footer-rule span{display:block;width:100%;border-top:1px dashed rgba(255,255,255,.55)}.bvx-footer-inner{max-width:var(--max);margin:auto;padding:25px 24px 26px}.bvx-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:60px}.bvx-footer-brand img{height:46px;width:auto;display:block}.bvx-footer-about p{max-width:430px;color:#c8ddec}.bvx-footer-heading{font:700 .76rem "Courier New",monospace;text-transform:uppercase;letter-spacing:.1em;color:#fff;border-bottom:1px dashed rgba(255,255,255,.45);padding-bottom:10px}.bvx-footer-menu,.bvx-legal-list{display:grid;gap:8px}.bvx-footer-menu a,.bvx-legal-list a{color:#eaf6ff;text-decoration:none}.bvx-footer-menu a:hover,.bvx-legal-list a:hover{color:#fff;text-decoration:underline}.bvx-footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px dashed rgba(255,255,255,.4);margin-top:38px;padding-top:18px;font:700 .68rem "Courier New",monospace;text-transform:uppercase;letter-spacing:.06em;color:#c8ddec}
@media(max-width:980px){.bvx-header-inner{grid-template-columns:auto auto auto}.bvx-menu-toggle{display:block;justify-self:end}.bvx-nav{display:none;grid-column:1/-1;justify-self:stretch}.bvx-nav.is-open{display:block}.bvx-menu{display:grid;gap:0;border-top:1px dashed var(--blue);margin-top:8px}.bvx-menu a{display:block;padding:12px}.bvx-hero{grid-template-columns:1fr}.bvx-hero-art{max-width:780px}.bvx-pathway-grid{grid-template-columns:repeat(2,1fr)}.bvx-card-grid--three{grid-template-columns:1fr 1fr}.bvx-footer-grid{grid-template-columns:1.2fr 1fr}.bvx-footer-grid nav:last-child{grid-column:1/-1}}
@media(max-width:680px){.bvx-header-inner{padding:12px 16px;gap:10px}.bvx-brand img{height:36px;max-width:190px}.bvx-search-toggle,.bvx-menu-toggle{padding:8px 9px;font-size:.68rem}.bvx-hero{padding:34px 16px 20px}.bvx-hero h1{font-size:2.65rem}.bvx-hero-note{grid-template-columns:1fr}.bvx-hero-note>*{border-right:0;border-bottom:1px solid var(--line)}.bvx-index-strip{grid-template-columns:1fr;padding:0 16px}.bvx-blueprint-intro{grid-template-columns:1fr;padding:55px 16px 35px}.bvx-pathway-grid{grid-template-columns:1fr;padding:0 16px 55px}.bvx-resources,.bvx-related,.bvx-archive-head,.bvx-page{padding-left:16px;padding-right:16px}.bvx-card-grid,.bvx-card-grid--three{grid-template-columns:1fr}.bvx-article{padding:0 14px}.bvx-article-header{padding:30px 22px}.bvx-search-form{grid-template-columns:1fr}.bvx-search-form button{min-height:46px}.bvx-footer-grid{grid-template-columns:1fr;gap:28px}.bvx-footer-grid nav:last-child{grid-column:auto}.bvx-footer-bottom{flex-direction:column}.bvx-card-meta{flex-direction:column}.bvx-footer-brand img{max-width:100%;height:auto;max-height:46px}}