:root{--ink:#173044;--muted:#5b6c78;--line:#dfe8ed;--soft:#f4f9fb;--brand:#153b57;--brand2:#0f766e;--accent:#f0b35b;--white:#fff;--shadow:0 18px 45px rgba(21,59,87,.12);--radius:18px;--max:1180px}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:#fff;line-height:1.62}a{color:#12626f;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px max(22px,calc((100vw - var(--max))/2));}.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,#143852,#1f6b70);color:#fff;font-weight:800;letter-spacing:.02em}.brand strong{display:block;font-size:1rem}.brand em{display:block;font-style:normal;color:var(--muted);font-size:.78rem;margin-top:1px}.topnav{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}.topnav a{font-size:.92rem;padding:9px 12px;border-radius:999px;color:var(--ink);background:#f7fbfc;border:1px solid transparent}.topnav a:hover{border-color:var(--line);text-decoration:none;background:#fff}main{max-width:var(--max);margin:0 auto;padding:0 22px}.hero{padding:48px 0 30px}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}.eyebrow,.mini-kicker{display:inline-flex;align-items:center;gap:6px;color:var(--brand2);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.76rem}.hero h1{font-size:clamp(2.05rem,4.8vw,4.35rem);line-height:1.02;margin:.38em 0 .25em;letter-spacing:-.055em}.lead{font-size:1.22rem;color:#324d5e;max-width:770px}.hero-card,.tool-card,.callout,.source-box{background:linear-gradient(180deg,#fff,#f7fbfc);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.primary-btn,.secondary-btn,button{display:inline-flex;align-items:center;justify-content:center;padding:12px 17px;border-radius:999px;border:1px solid transparent;font-weight:800;cursor:pointer}.primary-btn,button{background:var(--brand);color:#fff}.secondary-btn{background:#fff;color:var(--brand);border-color:var(--line)}button:hover,.primary-btn:hover,.secondary-btn:hover{text-decoration:none;filter:brightness(.98)}.section{padding:34px 0;border-top:1px solid var(--line)}.section h2{font-size:clamp(1.45rem,2.4vw,2.1rem);letter-spacing:-.03em;margin:0 0 15px}.section h3{margin:1.25em 0 .45em;letter-spacing:-.02em}.grid,.decision-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.decision-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card,.decision-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px}.card h3,.decision-card strong{font-size:1.04rem}.checklist{padding-left:1.15rem}.checklist li{margin:.35rem 0}.hub-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.hub-list a{display:block;border:1px solid var(--line);border-radius:14px;padding:12px 13px;background:#fff;font-weight:700}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}.toc,.side-card{position:sticky;top:92px;border:1px solid var(--line);border-radius:18px;padding:16px;background:#fff}.toc a,.side-card a{display:block;padding:7px 0;border-bottom:1px solid #eef3f5;font-size:.92rem}.toc a:last-child,.side-card a:last-child{border-bottom:0}.article-main{max-width:820px}.article-main h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.05;letter-spacing:-.05em;margin:.3em 0}.article-main p{margin:.8em 0}.answer-box{border-left:5px solid var(--brand2);background:#f3faf8;border-radius:0 14px 14px 0;padding:17px 18px;margin:22px 0}.warn-box{border-left:5px solid #b7791f;background:#fff8eb;border-radius:0 14px 14px 0;padding:17px 18px;margin:22px 0}.table-wrap{overflow-x:auto;margin:20px 0;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;vertical-align:top;padding:12px;border-bottom:1px solid var(--line)}th{background:#f4f9fb;font-size:.91rem}tr:last-child td{border-bottom:0}.tool-card{margin:24px 0}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-weight:800}.field small{color:var(--muted)}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cbd8df;border-radius:12px;font:inherit;background:#fff}.result{margin-top:18px;padding:18px;border-radius:16px;background:#f4f9fb;border:1px solid var(--line)}.result strong{display:block}.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.pill{display:inline-block;background:#f3faf8;color:#0f5f58;border:1px solid #c8ebe2;padding:6px 10px;border-radius:999px;font-weight:800;font-size:.82rem}.source-box{box-shadow:none;background:#fbfdfe}.source-box li{margin:.35rem 0}.footer{margin-top:50px;background:#102e44;color:#e7f5f8;padding:34px max(22px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1fr auto;gap:22px}.footer a{color:#e7f5f8}.footer p{color:#c8dce5}.footer-links{display:flex;gap:14px;flex-wrap:wrap;align-content:start}.breadcrumb{font-size:.9rem;color:var(--muted);margin-top:22px}.breadcrumb a{color:var(--muted)}:focus-visible{outline:3px solid #f0b35b;outline-offset:3px}@media(max-width:900px){.site-header{position:static;align-items:flex-start;flex-direction:column}.topnav{justify-content:flex-start}.hero-grid,.article-layout,.grid,.decision-grid,.tool-grid,.hub-list{grid-template-columns:1fr}.toc,.side-card{position:static}.hero-actions a,.hero-actions button{width:100%}.footer{grid-template-columns:1fr}.brand em{display:none}}@media(max-width:520px){main{padding:0 16px}.hero{padding-top:30px}.card,.decision-card,.hero-card,.tool-card{padding:16px}th,td{padding:10px}.article-main h1{font-size:2rem}}

.guide-hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.guide-hub-grid a{display:block;border:1px solid var(--line);border-radius:14px;background:#fff;padding:14px}.guide-hub-grid strong{display:block;color:var(--ink);margin-bottom:4px}.guide-hub-grid span{display:block;color:var(--muted);font-weight:400;font-size:.92rem}@media(max-width:900px){.guide-hub-grid{grid-template-columns:1fr}}

.article-main, .card, .decision-card, .hero-card, .tool-card, .callout, .source-box, .result, .hub-list a, .guide-hub-grid a{overflow-wrap:anywhere;word-break:normal;}
.tool-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:16px 0 0}.tool-note{color:var(--muted);font-size:.92rem;margin:0}.tool-update{min-width:160px}


/* Accessible mobile menu */
.menu-toggle{display:none;align-items:center;gap:9px;background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none;padding:9px 12px;border-radius:999px;font-weight:800}
.menu-toggle-lines{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.menu-toggle-lines span{display:block;height:2px;border-radius:999px;background:var(--ink)}
.menu-toggle[aria-expanded="true"]{background:#f4f9fb;border-color:#b9ced8}.menu-toggle-text{font-size:.9rem}
@media(max-width:900px){
  .site-header{position:sticky;align-items:center;flex-direction:row;flex-wrap:wrap;gap:12px}.brand{min-width:0;flex:1}.brand strong{font-size:.95rem}.menu-toggle{display:inline-flex}.topnav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:8px;padding-top:8px;border-top:1px solid var(--line)}.topnav.is-open{display:flex}.topnav a{width:100%;text-align:left;border-color:var(--line);background:#fff;padding:12px 14px}.brand em{display:none}
}