:root{--bg:#07111f;--panel:#0d1b2d;--soft:#12243a;--text:#eaf2ff;--muted:#a9b8cd;--accent:#5ee1c2;--accent2:#7aa7ff;--line:#1d3552;--warn:#ffd477;--max:1180px}
*{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;background:#f7f9fc;color:#142033;line-height:1.68}
a{color:#1757b8}.site-header{background:var(--bg);color:var(--text);position:sticky;top:0;z-index:40;border-bottom:1px solid #18304c}.nav{max-width:var(--max);margin:auto;display:flex;align-items:center;gap:24px;padding:14px 20px}.brand{font-weight:850;color:white;text-decoration:none;font-size:1.12rem;letter-spacing:-.02em}.brand span{color:var(--accent)}.navlinks{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}.navlinks a{color:#cbd8ea;text-decoration:none;font-size:.92rem}.navlinks a:hover{color:white}
.hero{background:linear-gradient(135deg,#07111f,#0e2b45 65%,#153b57);color:white}.hero-inner{max-width:var(--max);margin:auto;padding:74px 20px 64px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;font-weight:800;color:var(--accent)}h1{font-size:clamp(2.35rem,5vw,4.8rem);line-height:1.02;max-width:900px;letter-spacing:-.045em;margin:.25em 0}.lede{font-size:1.18rem;max-width:760px;color:#c8d7e8}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-block;background:var(--accent);color:#062019!important;text-decoration:none;font-weight:850;padding:13px 18px;border-radius:10px;border:0;box-shadow:0 8px 25px rgba(0,0,0,.18)}.btn.secondary{background:transparent;color:white!important;border:1px solid #4b6a89}.btn.dark{background:#10243a;color:white!important}
.wrap{max-width:var(--max);margin:auto;padding:34px 20px 70px}.breadcrumbs{font-size:.85rem;color:#607089;margin-bottom:18px}.breadcrumbs a{text-decoration:none}.layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:42px}.article{background:white;padding:clamp(24px,4vw,48px);border:1px solid #e5ebf3;border-radius:18px;box-shadow:0 12px 40px rgba(20,40,70,.05)}.article h2{font-size:1.75rem;line-height:1.2;margin-top:2.1em;letter-spacing:-.025em}.article h3{font-size:1.2rem}.article p{margin:1em 0}.article ul,.article ol{padding-left:1.2rem}.meta{color:#687890;font-size:.9rem}.callout{border-left:4px solid var(--accent2);background:#f1f6ff;padding:18px 20px;border-radius:10px;margin:28px 0}.disclosure{background:#fff8e5;border:1px solid #f1d995;padding:14px 16px;border-radius:10px;font-size:.9rem}.cta-box{background:var(--bg);color:white;padding:26px;border-radius:16px;margin:34px 0}.cta-box h3{margin-top:0}.cta-box p{color:#c9d7e7}.sticky{position:sticky;top:90px;background:var(--bg);color:white;border-radius:16px;padding:24px;height:max-content}.sticky h3{margin-top:0}.sticky p{color:#c4d2e4;font-size:.95rem}.sticky .btn{width:100%;text-align:center}.tiny{font-size:.78rem;color:#8fa1b6}.toc{background:#f6f8fc;border:1px solid #e2e9f3;padding:18px;border-radius:12px}.toc a{text-decoration:none}.related{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card{border:1px solid #e1e7ef;border-radius:12px;padding:16px;text-decoration:none;background:#fff;color:#19304d}.card:hover{border-color:#a8c2e8;box-shadow:0 8px 22px rgba(30,60,100,.06)}.source-note{font-size:.88rem;background:#f4f7fa;padding:16px;border-radius:10px;color:#52647b}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.hub-card{background:white;border:1px solid #e4eaf2;border-radius:15px;padding:20px;text-decoration:none;color:#17314f}.hub-card h3{margin:.2em 0}.hub-card p{color:#62728a}.footer{background:#07111f;color:#b8c8da;padding:42px 20px}.footer-inner{max-width:var(--max);margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.footer a{color:#dce9f8}.popup{position:fixed;inset:0;background:rgba(3,10,19,.82);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}.popup.open{display:flex}.popup-card{max-width:720px;background:linear-gradient(135deg,#07111f,#113a54);color:white;border:1px solid #325875;padding:34px;border-radius:22px;box-shadow:0 30px 100px rgba(0,0,0,.5)}.popup-card p{color:#cedaea}.popup-close{float:right;background:transparent;color:white;border:0;font-size:1.6rem;cursor:pointer}.popup-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px;padding-left:18px}.tag{display:inline-block;background:#e8f7f3;color:#0d654f;border-radius:999px;padding:5px 9px;font-size:.76rem;font-weight:800;margin-right:6px}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sticky{position:static;order:-1}.grid{grid-template-columns:1fr 1fr}.navlinks{display:none}.footer-inner{grid-template-columns:1fr}.hero-inner{padding-top:52px}.popup-list{grid-template-columns:1fr}}
@media(max-width:620px){.grid,.related{grid-template-columns:1fr}.article{border-radius:0;padding:24px 18px}.wrap{padding-left:0;padding-right:0}.breadcrumbs{padding:0 18px}.hero-inner{padding:44px 18px}.btn{width:100%;text-align:center}}

.header-cta{margin-left:10px;background:var(--accent);color:#062019!important;text-decoration:none;font-weight:850;padding:10px 14px;border-radius:10px;white-space:nowrap}
.header-cta:focus-visible,.btn:focus-visible,a:focus-visible{outline:3px solid #ffd477;outline-offset:3px}
@media(max-width:900px){.header-cta{margin-left:auto;padding:9px 12px;font-size:.88rem}}
@media(max-width:520px){.brand{font-size:1rem}.header-cta{padding:8px 10px;font-size:.8rem}}