:root{
  --ink:#152235;--muted:#5d6c7e;--paper:#ffffff;--soft:#f4f7fb;--line:#dce4ee;
  --navy:#12233f;--blue:#275fe7;--blue2:#1745b8;--green:#0a7a5c;--accent:#e9f0ff;
  --radius:18px;--shadow:0 12px 34px rgba(18,35,63,.08);--max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}
a{color:var(--blue2);text-decoration-thickness:.08em;text-underline-offset:.14em}
a:hover{text-decoration-thickness:.14em}
img{max-width:100%;height:auto}
.container{width:min(var(--max),calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:800;text-decoration:none;letter-spacing:-.02em}
.brand img{width:34px;height:34px}
.nav{display:flex;gap:18px;align-items:center;font-size:.95rem}
.nav a{text-decoration:none;color:var(--ink);font-weight:650}
.nav .nav-cta{color:#fff;background:var(--blue);padding:9px 13px;border-radius:999px}
.nav-mobile{display:none}
.hero{padding:72px 0 52px;background:linear-gradient(180deg,#f7f9ff 0%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:7px;background:var(--accent);color:var(--blue2);padding:6px 10px;border-radius:999px;font-weight:750;font-size:.86rem}
h1,h2,h3{line-height:1.15;letter-spacing:-.025em;color:var(--navy)}
h1{font-size:clamp(2.25rem,5vw,4.65rem);margin:.3em 0 .25em}
h2{font-size:clamp(1.55rem,3vw,2.35rem);margin:1.65em 0 .45em}
h3{font-size:1.18rem;margin:1.35em 0 .3em}
.lead{font-size:1.18rem;color:var(--muted);max-width:760px}
.hero-card,.card,.cta-box,.source-box,.decision-box,.note{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.hero-card{padding:28px}
.hero-card ul{padding-left:20px;margin-bottom:0}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 17px;border-radius:12px;font-weight:800;text-decoration:none;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue2);color:#fff}
.btn-secondary{border-color:var(--line);color:var(--ink);background:#fff}
.disclosure{font-size:.84rem;color:var(--muted);margin-top:12px}
main.article{padding:42px 0 72px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:46px}
.article-body{min-width:0}
.article-body p,.article-body li{font-size:1.03rem}
.article-body ul,.article-body ol{padding-left:1.25rem}
.meta{font-size:.9rem;color:var(--muted);margin:.65rem 0 1.25rem}
.breadcrumbs{font-size:.9rem;color:var(--muted);padding-top:22px}
.breadcrumbs a{color:inherit}
.cta-box{padding:24px;margin:30px 0;background:linear-gradient(135deg,#f4f7ff,#fff)}
.cta-box h2,.cta-box h3{margin-top:0}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}
.card{padding:20px}
.card h3{margin-top:0}
.sidebar{position:sticky;top:94px;align-self:start}
.sidebar .card{box-shadow:none;margin-bottom:16px}
.sidebar ul{list-style:none;padding:0;margin:0}
.sidebar li{margin:.6rem 0}
.sidebar a{text-decoration:none}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin:22px 0}
table{border-collapse:collapse;width:100%;min-width:650px}
th,td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--soft);font-size:.92rem}
tr:last-child td{border-bottom:0}
.source-box{padding:22px;margin-top:38px;box-shadow:none}
.source-box h2{font-size:1.2rem;margin-top:0}
.source-box li{font-size:.92rem}
.related{background:var(--soft);padding:46px 0}
.related h2{margin-top:0}
.decision-box{padding:24px;border-left:5px solid var(--green);box-shadow:none}
.note{padding:18px 20px;background:#fffdf6;border-color:#eee2b8;box-shadow:none}
.site-footer{border-top:1px solid var(--line);padding:36px 0 52px;color:var(--muted);font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.footer-grid h3{font-size:1rem;margin:0 0 .55rem}
.footer-grid a{color:var(--muted)}
.footer-links{display:flex;flex-direction:column;gap:7px}
.logo-line{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy)}
.callout{border-left:4px solid var(--blue);padding:14px 18px;background:var(--soft);margin:22px 0;border-radius:0 12px 12px 0}
.checklist li{margin:.45rem 0}
.legal{max-width:820px}
form{display:grid;gap:14px}
label{font-weight:700}
input,textarea{width:100%;padding:12px;border:1px solid #b9c5d4;border-radius:10px;font:inherit}
textarea{min-height:150px}
button{font:inherit;cursor:pointer}
@media(max-width:900px){
  .hero-grid,.article-grid,.footer-grid{grid-template-columns:1fr}
  .sidebar{position:static}
  .card-grid{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .nav-mobile{display:block}
  .nav-mobile summary{font-weight:800;cursor:pointer}
  .nav-mobile .mobile-menu{position:absolute;right:18px;top:58px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;min-width:220px;box-shadow:var(--shadow)}
  .nav-mobile a{display:block;padding:7px 4px;text-decoration:none;color:var(--ink);font-weight:650}
}
@media(max-width:620px){
  .container{width:min(var(--max),calc(100% - 26px))}
  .hero{padding:46px 0 34px}
  .card-grid{grid-template-columns:1fr}
  .btn{width:100%}
  h1{font-size:2.35rem}
}