:root{
  --navy:#07152b; --blue:#123d70; --yellow:#f2c331; --paper:#f7f6f1;
  --ink:#253447; --muted:#667488; --line:#dce2e9; --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 40px));margin:auto}
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid #e7ebef}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{font-weight:900;letter-spacing:.04em;color:var(--navy)}
.brand small{display:block;font-size:.72rem;color:#7b8595;font-weight:600;margin-top:3px}
nav{display:flex;gap:24px;align-items:center;font-size:.92rem;font-weight:700}
.nav-cta{background:var(--yellow);padding:11px 17px;border-radius:10px;color:var(--navy)}
.hero{padding:78px 0;background:linear-gradient(135deg,#07152b,#123d70);color:#fff}
.hero .eyebrow{color:var(--yellow)}
.hero h1{font-size:4rem;line-height:1.02;margin:12px 0 18px;color:#fff;max-width:900px}
.hero p{max-width:820px;color:#dce5ef;line-height:1.75;font-size:1.15rem}
.eyebrow{font-size:.78rem;font-weight:900;letter-spacing:.14em;color:var(--blue)}
.section{padding:76px 0}
.section-head{max-width:800px;margin-bottom:36px}
.section-head h2{font-size:2.6rem;line-height:1.08;margin:9px 0 14px;color:var(--navy)}
.section-head p{color:var(--muted);line-height:1.75}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.article-card{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 13px 28px rgba(7,21,43,.06)}
.article-card .top{padding:28px;background:var(--paper)}
.article-card .tag{display:inline-block;background:var(--yellow);color:var(--navy);font-size:.75rem;font-weight:900;border-radius:999px;padding:8px 11px;margin-bottom:14px}
.article-card h2{font-size:2rem;line-height:1.15;margin:0 0 12px;color:var(--navy)}
.article-card p{color:var(--muted);line-height:1.7}
.article-card .bottom{padding:20px 28px;display:flex;justify-content:space-between;gap:15px;align-items:center}
.article-card .read{font-weight:900;color:var(--blue)}
.article-card small{color:#85909f}
.featured{border:2px solid #ead36a}
.article-page{background:#fff}
.article-hero{padding:72px 0 56px;background:var(--paper);border-bottom:1px solid var(--line)}
.article-hero .wrap{max-width:900px}
.article-hero h1{font-size:3.65rem;line-height:1.04;margin:12px 0 18px;color:var(--navy)}
.article-hero .dek{font-size:1.22rem;line-height:1.72;color:#536174;max-width:850px}
.meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;color:#6f7c8f;font-size:.88rem}
.article-body{max-width:840px;margin:auto;padding:64px 0 80px}
.article-body h2{font-size:2.15rem;line-height:1.18;margin:44px 0 15px;color:var(--navy)}
.article-body h3{font-size:1.45rem;margin:30px 0 10px;color:var(--blue)}
.article-body p{font-size:1.05rem;line-height:1.82;color:#3f4e62}
.article-body ul{font-size:1.03rem;line-height:1.75;color:#3f4e62;padding-left:22px}
.callout{background:#fff8d6;border-left:5px solid var(--yellow);padding:22px 24px;margin:30px 0;border-radius:0 14px 14px 0}
.callout strong{color:var(--navy)}
.note-box{background:#eef2f6;border-radius:16px;padding:22px 24px;margin:30px 0}
.note-box p{margin:0}
.book-link{display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:center;border:1px solid var(--line);border-radius:18px;padding:20px;margin:38px 0;background:#fff}
.book-link img{width:110px;max-height:150px;object-fit:contain}
.book-link h3{margin:0 0 8px}
.book-link p{margin:0 0 10px;font-size:.96rem}
.book-link a{font-weight:900;color:var(--blue)}
.sources{border-top:1px solid var(--line);margin-top:48px;padding-top:25px}
.sources h3{font-size:1.2rem}
.sources p,.sources li{font-size:.88rem;color:#6e7989;line-height:1.6}
footer{padding:34px 0;border-top:1px solid #e6eaf0;color:#6d7785;font-size:.86rem}
@media(max-width:850px){
  nav{display:none}.grid{grid-template-columns:1fr}
  .hero h1,.article-hero h1{font-size:3rem}
  .book-link{grid-template-columns:1fr}.book-link img{width:130px}
}