:root{--ink:#20252b;--muted:#5f6770;--line:#dfe3e7;--soft:#f5f6f7;--paper:#fff;--focus:#075fbe;--max:1120px}
*{box-sizing:border-box}html{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}body{margin:0}a{color:inherit}.nb-site-header{border-bottom:1px solid var(--line);background:var(--paper)}.nb-header-inner{max-width:var(--max);margin:auto;padding:1rem 1.25rem;display:flex;gap:1.5rem;align-items:center;justify-content:space-between}.nb-brand{font-weight:750;text-decoration:none}.nb-nav{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}.nb-nav a{text-decoration:none;font-size:.95rem}.nb-nav-toggle{display:none}.nb-section{padding:4rem 1.25rem}.nb-soft{background:var(--soft)}.nb-inner{max-width:var(--max);margin:auto}.nb-copy{max-width:760px}.nb-hero h1{font-size:clamp(2.2rem,6vw,4.5rem);line-height:1.03;letter-spacing:-.04em;margin:.4rem 0 1.25rem}.nb-eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:700;color:var(--muted)}.nb-button{display:inline-block;border:1px solid var(--ink);padding:.75rem 1rem;text-decoration:none;border-radius:.35rem;font-weight:700}.nb-grid{display:grid;gap:1rem}.nb-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.nb-card,.nb-notice{border:1px solid var(--line);background:var(--paper);padding:1.25rem;border-radius:.5rem}.nb-site-footer{border-top:1px solid var(--line);padding:2rem 1.25rem;color:var(--muted)}
@media(max-width:850px){.nb-grid-3{grid-template-columns:1fr}.nb-nav{display:none;position:absolute;left:0;right:0;top:65px;background:#fff;border-bottom:1px solid var(--line);padding:1rem 1.25rem;flex-direction:column;align-items:flex-start}.nb-nav.is-open{display:flex}.nb-nav-toggle{display:inline-block}}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}button,input{font:inherit}button{min-height:44px}#main-content:focus{outline:0}
.nb-skip-link{position:absolute;left:1rem;top:-5rem;background:var(--ink);color:var(--paper);padding:.7rem 1rem;z-index:10}.nb-skip-link:focus{top:1rem}

@media(max-width:600px){.nb-section{padding:2.5rem 1rem}.nb-header-inner{padding-inline:1rem}.nb-hero h1{font-size:clamp(2rem,12vw,3rem)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}}

/* Public-site shell */
.nb-lede{font-size:1.18rem;color:var(--muted);max-width:720px}.nb-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:3rem;align-items:center}.nb-hero-panel,.nb-callout{border:1px solid var(--line);background:var(--soft);padding:1.35rem;border-radius:.65rem}.nb-kicker{font-weight:800;margin-top:0}.nb-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.5rem}.nb-button--primary{background:var(--ink);color:var(--paper)}.nb-compact-steps{list-style:none;padding:0;margin:0;display:grid;gap:.9rem}.nb-compact-steps li{display:grid;gap:.1rem;border-top:1px solid var(--line);padding-top:.8rem}.nb-compact-steps li:first-child{border-top:0;padding-top:0}.nb-compact-steps span{color:var(--muted);font-size:.93rem}.nb-section-heading{max-width:720px;margin-bottom:1.5rem}.nb-section-heading h2,.nb-split h2{font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.12;letter-spacing:-.025em;margin:.25rem 0 .8rem}.nb-hub-card{display:flex;flex-direction:column;min-height:250px}.nb-hub-card h3{font-size:1.35rem;margin:.2rem 0 .6rem}.nb-hub-card h3 a{text-decoration:none}.nb-card-number{font-size:.82rem;font-weight:800;color:var(--muted);margin:0}.nb-card-link{margin-top:auto;font-weight:700}.nb-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3rem;align-items:start}.nb-decision-list,.nb-principles{display:grid;gap:.75rem}.nb-decision-list div,.nb-principles div{display:grid;gap:.12rem;border-top:1px solid var(--line);padding-top:.75rem}.nb-decision-list span,.nb-principles span{color:var(--muted)}.nb-hero--compact{padding-top:3.25rem;padding-bottom:3.25rem}.nb-hero--compact h1{font-size:clamp(2.4rem,7vw,4rem)}.nb-asset-card{min-height:220px;display:flex;flex-direction:column}.nb-asset-card h3{font-size:1.18rem;line-height:1.3;margin:.25rem 0 .75rem}.nb-asset-type{text-transform:uppercase;letter-spacing:.07em;font-size:.72rem;font-weight:800;color:var(--muted);margin:0}.nb-status{margin-top:auto;color:var(--muted);font-size:.9rem}.nb-footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:2rem}.nb-site-footer .nb-brand{display:inline-block;margin-bottom:.45rem}.nb-site-footer p{margin:.25rem 0}.nb-nav-start{font-weight:800}
@media(max-width:950px){.nb-hero-grid,.nb-split{grid-template-columns:1fr}.nb-hero-grid{gap:1.5rem}.nb-footer-grid{grid-template-columns:1fr}}

/* Editorial decision guides */
.page-decision-guide .nb-hero--compact .nb-copy{max-width:900px}.nb-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:.6rem;background:var(--paper)}.nb-table{width:100%;border-collapse:collapse;min-width:760px}.nb-table th,.nb-table td{text-align:left;vertical-align:top;padding:1rem;border-bottom:1px solid var(--line)}.nb-table thead th{font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;background:var(--soft)}.nb-table tbody th{width:22%;font-size:.96rem}.nb-table tr:last-child th,.nb-table tr:last-child td{border-bottom:0}.nb-numbered-list{list-style:none;padding:0;margin:0;display:grid;gap:1rem;counter-reset:nbsteps}.nb-numbered-list li{counter-increment:nbsteps;display:grid;grid-template-columns:3rem 1fr;gap:1rem;border-top:1px solid var(--line);padding-top:1rem}.nb-numbered-list li:before{content:counter(nbsteps);display:grid;place-items:center;width:2.2rem;height:2.2rem;border:1px solid var(--ink);border-radius:50%;font-weight:800}.nb-numbered-list p{margin:.25rem 0 0;color:var(--muted)}.nb-check-list{padding-left:1.2rem}.nb-check-list li+li{margin-top:.6rem}.nb-decision-path{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.8rem}.nb-decision-path div{border:1px solid var(--line);border-radius:.5rem;padding:1rem;display:grid;gap:.25rem}.nb-decision-path span{color:var(--muted);font-size:.92rem}.nb-source-notes{max-width:900px}.nb-source-notes ul{padding-left:1.2rem}.nb-source-notes li+li{margin-top:.5rem}.nb-source-notes a{font-weight:650}.nb-small{font-size:.9rem;color:var(--muted)}
@media(max-width:950px){.nb-decision-path{grid-template-columns:1fr 1fr}.nb-decision-path div:last-child{grid-column:1/-1}}
@media(max-width:600px){.nb-decision-path{grid-template-columns:1fr}.nb-decision-path div:last-child{grid-column:auto}.nb-numbered-list li{grid-template-columns:2.5rem 1fr}.nb-table th,.nb-table td{padding:.8rem}}

/* v1.14 launch-readiness brand and trust layer */
:root{--ink:#173647;--muted:#596974;--line:#d7e1e6;--soft:#f2f7f8;--paper:#fff;--focus:#005fcc;--accent:#126b7b;--accent-dark:#0c5260;--accent-soft:#e4f3f5;--warm:#b95f2d;--max:1120px}
html{scroll-behavior:smooth}body{background:#fbfcfc}.nb-site-header{position:relative;z-index:5;background:rgba(255,255,255,.98)}
.nb-brand{display:inline-flex;align-items:center;gap:.55rem;color:var(--ink)}.nb-brand-mark{display:inline-grid;place-items:center;width:2rem;height:2rem;border-radius:.45rem;background:var(--ink);color:var(--paper);font-size:.72rem;letter-spacing:.06em;font-weight:850}.nb-nav-start{color:var(--accent-dark)}
.nb-button--primary{background:var(--accent-dark);border-color:var(--accent-dark)}.nb-button--primary:hover,.nb-button--primary:focus-visible{background:var(--ink);border-color:var(--ink)}
.nb-hero-panel,.nb-callout{background:linear-gradient(145deg,var(--accent-soft),var(--soft));border-color:#c8dce1}.nb-card{box-shadow:0 1px 0 rgba(23,54,71,.03)}.nb-card a,.nb-source-notes a,.nb-copy a:not(.nb-button){text-decoration-color:#8cb3bc;text-underline-offset:.2em}
.nb-site-footer{background:#102c3a;color:#d5e2e7;border-top:0;padding-bottom:1.25rem}.nb-site-footer .nb-brand,.nb-site-footer a{color:#fff}.nb-site-footer .nb-brand-mark{background:#fff;color:#102c3a}.nb-site-footer p{margin:.3rem 0}.nb-footer-grid--launch{grid-template-columns:1.35fr repeat(3,minmax(0,1fr));padding-top:.75rem}.nb-footer-about{max-width:340px}.nb-footer-bottom{display:flex;justify-content:space-between;gap:1rem;border-top:1px solid rgba(255,255,255,.15);padding-top:1.1rem;margin-top:1.5rem;font-size:.88rem;color:#b8cbd3}.nb-footer-bottom p{margin:0}.nb-site-footer .nb-small{color:#b8cbd3}
.page-trust .nb-copy,.page-legal .nb-copy{max-width:820px}.page-trust h2,.page-legal h2{margin-top:2.1rem;line-height:1.2}.page-trust h3,.page-legal h3{margin-top:1.5rem}.page-trust .nb-hero h1,.page-legal .nb-hero h1{max-width:850px}.page-error .nb-hero{min-height:55vh;display:grid;align-items:center}
.nb-commercial-label{display:inline-flex;align-items:center;gap:.35rem;padding:.28rem .55rem;border-radius:999px;background:#fff3e8;border:1px solid #e4b68f;color:#74401f;font-size:.82rem;font-weight:800}.nb-trust-strip{border-block:1px solid var(--line);background:#fff}.nb-trust-strip .nb-inner{display:flex;gap:1.5rem;flex-wrap:wrap;padding:1rem 1.25rem;color:var(--muted);font-size:.9rem}.nb-trust-strip strong{color:var(--ink)}
@media(max-width:950px){.nb-footer-grid--launch{grid-template-columns:1fr 1fr}.nb-footer-about{grid-column:1/-1}.nb-footer-bottom{flex-direction:column}.nb-nav{background:#fff}}
@media(max-width:600px){.nb-footer-grid--launch{grid-template-columns:1fr}.nb-footer-about{grid-column:auto}.nb-brand-mark{width:1.85rem;height:1.85rem}}

.nb-brand>span:last-child{white-space:nowrap}.nb-nav{gap:.82rem}.nb-nav a{font-size:.91rem;white-space:nowrap}

/* v2.1 decision-first layout */
.nb-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.nb-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.nb-decision-card,.nb-route-card{display:flex;flex-direction:column;min-height:220px}.nb-decision-card h3,.nb-route-card h3{font-size:1.2rem;line-height:1.25;margin:.25rem 0 .65rem}.nb-decision-card h3 a,.nb-route-card h3 a{text-decoration:none}
/* Quick Answer is intentionally one strong visual panel: decision first, detail second. */
.nb-quick-answer{background:var(--paper);border-block:0;padding-top:2.25rem;padding-bottom:3.25rem}.nb-quick-answer>.nb-inner{max-width:820px;background:linear-gradient(145deg,#edf8fa,#f6f9f8);border:1px solid #c7dce1;border-left:8px solid var(--accent);border-radius:.7rem;padding:2rem 2.25rem;box-shadow:0 10px 28px rgba(23,54,71,.08)}.nb-quick-answer .nb-eyebrow{color:var(--accent-dark);font-size:.82rem;margin-top:0}.nb-quick-answer h2{font-size:clamp(1.55rem,3.2vw,2.2rem);line-height:1.15;letter-spacing:-.022em;max-width:720px;margin:.3rem 0 1.35rem}.nb-quick-grid{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid #d9e5e7}.nb-answer-card{display:grid;grid-template-columns:minmax(190px,.36fr) minmax(0,1fr);gap:1.25rem;background:transparent;border:0;border-bottom:1px solid #d9e5e7;border-radius:0;padding:1rem 0}.nb-answer-card h3{margin:0;font-size:1.05rem;line-height:1.35;color:var(--ink)}.nb-answer-card p{margin:0;color:#334b57}.nb-quick-answer .nb-actions{margin-top:1.45rem}.nb-quick-answer .nb-small{margin-bottom:0}.nb-cta-group{margin-top:1.25rem}.nb-hero--decision{padding-top:4.5rem;padding-bottom:4.5rem}.nb-hero--decision h1{max-width:850px}.page-decision-compare .nb-hero--compact .nb-copy,.page-decision-need .nb-hero--compact .nb-copy,.page-decision-switch .nb-hero--compact .nb-copy,.page-decision-worth .nb-hero--compact .nb-copy,.page-support .nb-hero--compact .nb-copy{max-width:900px}.page-support .nb-eyebrow{color:var(--accent-dark)}
@media(max-width:950px){.nb-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.nb-grid-2{grid-template-columns:1fr}}
@media(max-width:700px){.nb-answer-card{grid-template-columns:1fr;gap:.35rem}.nb-quick-answer>.nb-inner{padding:1.5rem 1.35rem;border-left-width:5px}}
@media(max-width:600px){.nb-grid-4{grid-template-columns:1fr}.nb-hero--decision{padding-top:3rem;padding-bottom:3rem}.nb-quick-answer{padding-top:1.75rem;padding-bottom:2.5rem}}