:root{--navy:#14213D;--navy-deep:#0F1A30;--blue:#2563EB;--teal:#14B8A6;--amber:#F4B942;--ink:#263445;--muted:#64748B;--bg:#F5F7FB;--card:#fff;--line:#E2E8F0;--radius:14px;--shadow:0 6px 24px rgba(20,33,61,.08);--sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--head:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif}
@font-face{font-family:"Inter";src:url("/assets/fonts/inter-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("/assets/fonts/inter-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Manrope";src:url("/assets/fonts/manrope-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Manrope";src:url("/assets/fonts/manrope-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--sans)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-underline-offset:2px}
a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px}
h1,h2,h3{font-family:var(--head);line-height:1.2;color:var(--navy);font-weight:700}
h1{font-size:clamp(2rem,5vw,3rem);margin:.2em 0 .4em}
h2{font-size:clamp(1.35rem,3vw,1.75rem);margin:1.6em 0 .5em}
h3{font-size:1.15rem;margin:1.3em 0 .4em}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:10}
.skip:focus{left:8px;top:8px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.small{font-size:.9rem;color:var(--muted)}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.header-row{display:flex;align-items:center;justify-content:space-between;min-height:68px}
.brand img{width:210px;height:auto}
.menu-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:600 15px var(--sans);cursor:pointer}
.menu-icon,.menu-icon::before,.menu-icon::after{display:block;width:18px;height:2px;background:var(--navy);position:relative}
.menu-icon::before,.menu-icon::after{content:"";position:absolute}
.menu-icon::before{top:-6px}.menu-icon::after{top:6px}
.site-nav ul{list-style:none;margin:0;padding:0 20px 12px;display:flex;flex-direction:column}
.site-nav a{display:flex;align-items:center;min-height:44px;padding:10px 0;color:var(--ink);text-decoration:none;font-weight:600;font-size:.86rem;letter-spacing:.04em;border-bottom:1px solid var(--line)}
.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--blue)}
.js .site-nav{display:none}
.js .site-nav.open{display:block}
@media (min-width:1100px){
 .menu-btn{display:none}
 .js .site-nav,.site-nav{display:block;border-top:1px solid var(--line)}
 .site-nav ul{flex-direction:row;flex-wrap:wrap;justify-content:space-between;padding:0 20px}
 .site-nav a{border:0;padding:12px 4px;font-size:.78rem;min-height:44px}
 .site-nav a[aria-current=page]{box-shadow:inset 0 -3px 0 var(--teal)}
 .brand img{width:248px}
}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;padding:12px 22px;border-radius:10px;border:2px solid var(--blue);min-height:44px;font-size:1rem;cursor:pointer;font-family:var(--sans)}
.btn:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.btn-ghost{background:transparent;color:var(--blue)}
.btn-ghost:hover{background:#E8EEFE;color:var(--navy)}
.btn-light{background:#fff;color:var(--navy);border-color:#fff}
.btn-light:hover{background:var(--bg);color:var(--navy)}
.eyebrow{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);font-weight:700;margin:0 0 .3em}
.eyebrow a{color:var(--teal);text-decoration:none}
.hero{padding:32px 0 24px}
.hero-grid{display:grid;gap:28px;align-items:center}
.hero-sub{font-size:1.15rem;color:var(--muted);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:16/9;object-fit:cover;width:100%}
@media (min-width:960px){.hero{padding:56px 0 40px}.hero-grid{grid-template-columns:5fr 6fr}}
.section{padding-top:20px;padding-bottom:28px}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin-bottom:12px}
.section-head h2{margin:.8em 0 .3em}
.section-head a{font-weight:600;font-size:.95rem}
.section-title{font-size:1.3rem}
.grid{display:grid;gap:22px}
@media (min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(20,33,61,.12)}
.card-link{display:block;color:inherit;text-decoration:none;height:100%}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card-body{padding:16px 18px 20px}
.card h3{margin:.1em 0 .4em;font-size:1.12rem}
.card-link:hover h3{color:var(--blue)}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card-meta{margin-top:10px!important;font-size:.82rem!important;color:var(--muted)}
.topic-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px 20px;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .2s}
.topic-card:hover{transform:translateY(-2px);border-color:#c9d4ee}
.topic-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#E8F8F6;color:var(--navy);margin-bottom:12px}
.topic-icon svg{width:24px;height:24px}
.topic-card h3{margin:.2em 0 .35em;color:var(--navy)}
.topic-card p{margin:0;color:var(--muted);font-size:.95rem}
.topic-count{margin-top:12px!important;font-weight:600;color:var(--blue)!important;font-size:.9rem!important}
.band{padding:36px 0;margin:24px 0}
.band-navy{background:var(--navy);color:#fff}
.band-navy h2,.band-navy a,.band-navy p{color:#fff}
.band-navy .btn-light{color:var(--navy)}
.band-soft{background:#E8F8F6}
.split{display:grid;gap:28px;align-items:center}
.split img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%}
@media (min-width:960px){.split{grid-template-columns:1fr 1fr}}
figure{margin:0}
.steps{padding-left:1.2em}.steps li{margin:.35em 0}
.link-list{padding-left:1.2em}.link-list li{margin:.4em 0}
.paths{display:grid;gap:18px}
@media (min-width:960px){.paths{grid-template-columns:repeat(3,1fr)}}
.path-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px 22px 20px;box-shadow:var(--shadow)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;padding:0;margin:18px 0 0;font-size:.85rem;color:var(--muted)}
.crumbs li+li::before{content:"/";margin:0 6px;color:#94a3b8}
.crumbs a{color:var(--muted);display:inline-block;padding:4px 0}
.post-header{margin-top:14px}
.page-header{padding:8px 0 4px}
.lede{font-size:1.15rem;color:var(--ink)}
.meta{font-size:.9rem;color:var(--muted)}
.post-figure img{border-radius:var(--radius);width:100%;aspect-ratio:16/10;object-fit:cover;margin:8px 0 18px}
.prose{max-width:72ch}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.35em 0}
.callout{background:#E8F8F6;border-left:4px solid var(--teal);border-radius:0 var(--radius) var(--radius) 0;padding:6px 22px 10px;margin:24px 0}
.formula{font-family:var(--head);font-size:1.08rem;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.95rem;background:#fff}
th,td{border:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
th{background:#E8F8F6}
.prose table{display:block;overflow-x:auto}
.checklist{list-style:none;padding-left:0!important}
.checklist li::before{content:"\2713";color:var(--teal);font-weight:700;margin-right:8px}
.sources{border-top:2px solid var(--line);margin-top:32px;padding-top:4px}
.sources li{margin:.4em 0;overflow-wrap:anywhere}
.related{padding:12px 0 40px}
.cat-header{display:grid;gap:24px;align-items:center}
.cat-header img{border-radius:var(--radius);aspect-ratio:16/10;object-fit:cover;width:100%}
@media (min-width:960px){.cat-header{grid-template-columns:3fr 2fr}}
.tool-banner{background:#FFF6DE;border-radius:var(--radius);padding:8px 24px 24px;margin:32px 0}
.tool-card{display:grid;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.tool-card img{border-radius:10px;aspect-ratio:4/3;object-fit:cover}
.tool-card h2{margin-top:.2em}
@media (min-width:700px){.tool-card{grid-template-columns:1fr 1.3fr;align-items:center}}
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.calc-grid{display:grid;gap:14px;margin-bottom:16px}
@media (min-width:640px){.calc-grid{grid-template-columns:1fr 1fr}}
.field label{display:block;font-weight:600;font-size:.95rem;margin-bottom:4px}
.field input,.field select{width:100%;min-height:44px;padding:8px 10px;border:1px solid #94a3b8;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
.calc-error{color:#B42318;font-weight:600}
.calc-result{background:var(--navy);color:#fff;border-radius:var(--radius);padding:4px 22px 18px;margin:20px 0}
.calc-result h2{color:#fff;font-size:1.25rem}
.calc-result dl{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:0}
@media (min-width:800px){.calc-result dl{grid-template-columns:repeat(4,1fr)}}
.calc-result dt{font-size:.85rem;opacity:.9}
.calc-result dd{margin:0;font:700 1.25rem var(--head)}
.contact-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px 20px}
.site-footer{background:var(--navy);color:#E2E8F0;margin-top:48px;padding:40px 0 20px}
.site-footer a{color:#E2E8F0;text-decoration:none}
.site-footer a:hover{color:var(--amber)}
.footer-grid{display:grid;gap:28px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin:0}
.footer-grid a{display:inline-flex;align-items:center;min-height:44px;padding:10px 0}
.footer-grid img{width:220px;margin-bottom:10px}
.footer-h{font-family:var(--head);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin:.3em 0 .4em}
.footer-base{border-top:1px solid #2A3A5C;margin-top:28px;padding-top:16px;font-size:.85rem;color:#94A3B8}
@media (min-width:800px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}