:root{
  --ink:#0b1526; --muted:#55657d; --line:#e6eaf1; --bg:#f6f8fb; --card:#ffffff;
  --accent:#0e63c9; --accent-deep:#0a4ea3; --gold:#f59e0b;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Source Serif 4',Georgia,'Times New Roman',serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:1100px;margin:0 auto;padding:0 18px}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-deep)}
h1,h2,h3,h4{font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em}
img{max-width:100%}
svg{display:inline-block;vertical-align:middle}

/* ---------- header ---------- */
.site-header{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#0e63c9,#38bdf8,#f59e0b)}
.header-row{display:flex;align-items:center;gap:18px;padding-top:13px;padding-bottom:13px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Inter',system-ui,sans-serif;font-weight:800;font-size:21px;color:var(--ink);letter-spacing:-.02em}
.brand:hover{color:var(--ink)}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#0b1526,#1e3a8a);color:#7dd3fc;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 8px rgba(11,21,38,.25)}
.brand-name em{font-style:normal;background:linear-gradient(90deg,#0e63c9,#38bdf8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.main-nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap;font-family:'Inter',system-ui,sans-serif;font-size:13.5px}
.main-nav a{color:var(--muted);font-weight:600;padding:7px 11px;border-radius:8px;transition:background .15s,color .15s}
.main-nav a:hover{color:var(--ink);background:#eef3f9}
.nav-toggle{display:none;margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:9px;color:var(--ink);padding:6px 10px;cursor:pointer}

/* ---------- covers ---------- */
.cover{position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;color:#fff}
.cover::before{content:"";position:absolute;inset:0;background:
  radial-gradient(ellipse at 75% 15%,rgba(255,255,255,.28),transparent 55%),
  radial-gradient(ellipse at 15% 90%,rgba(0,0,0,.25),transparent 55%)}
.cover::after{content:"";position:absolute;right:-30px;bottom:-40px;width:160px;height:160px;border:26px solid rgba(255,255,255,.1);border-radius:50%}
.cover-cat{position:absolute;top:10px;left:10px;font-family:'Inter',system-ui;font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;background:rgba(10,15,30,.45);backdrop-filter:blur(4px);padding:4px 10px;border-radius:99px;z-index:1}
.cover-icon{position:relative;z-index:1;opacity:.95;filter:drop-shadow(0 4px 14px rgba(0,0,0,.35))}
.cover-card{height:136px}
.cover-hero{height:100%;min-height:260px}
.cover-article{height:210px;border-radius:16px;margin-bottom:16px}
.cover-tile{height:84px;border-radius:12px;margin-bottom:9px}
.cover-tile .cover-icon svg{width:34px;height:34px}

/* ---------- hero ---------- */
.hero{margin:26px 0 34px}
.hero-card{display:grid;grid-template-columns:1.15fr 1.3fr;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;color:var(--ink);box-shadow:0 10px 30px rgba(11,21,38,.07);transition:box-shadow .2s,transform .2s}
.hero-card:hover{box-shadow:0 16px 42px rgba(11,21,38,.12);transform:translateY(-2px)}
.hero-text{padding:30px 32px;display:flex;flex-direction:column;justify-content:center}
.hero-text h1{font-size:27px;margin:.3em 0 .45em}
.hero-text p{color:var(--muted);margin:0 0 14px;font-size:15.5px}
.kicker{font-family:'Inter',system-ui;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}

/* ---------- cards & grids ---------- */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;color:var(--ink);display:flex;flex-direction:column;transition:box-shadow .18s,transform .18s,border-color .18s}
.card:hover{box-shadow:0 10px 26px rgba(11,21,38,.1);transform:translateY(-3px);border-color:#d3dce8}
.card-body{padding:15px 17px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{font-size:16px;margin:0}
.card-body p{margin:0;color:var(--muted);font-size:13.5px;flex:1}
.card-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-family:'Inter',system-ui;font-size:11.5px;font-weight:600;color:#8b98ab}
.m-item{display:inline-flex;align-items:center;gap:5px}
.m-item svg{opacity:.7}
.cat-tile{text-align:center;color:var(--ink);font-family:'Inter',system-ui;padding:4px;transition:transform .15s}
.cat-tile:hover{transform:translateY(-3px)}
.cat-tile strong{display:block;font-size:14px}
.cat-tile span{font-size:12px;color:var(--muted)}

/* ---------- sections ---------- */
.section-head{margin:34px 0 16px;display:flex;align-items:center;gap:14px}
.section-head h1,.section-head h2{font-size:19px;text-transform:uppercase;letter-spacing:.06em;margin:0;white-space:nowrap}
.section-head::after{content:"";flex:1;height:2px;background:linear-gradient(90deg,var(--ink),transparent);border-radius:2px}
section{margin-bottom:10px}
.about-strip{background:linear-gradient(135deg,#0b1526,#1e3a8a);color:#dbeafe;border-radius:16px;padding:28px 30px;margin:38px 0}
.about-strip h2{margin-top:0;color:#fff}
.about-strip p{color:#bfd2f2;margin:0}
.about-strip a{color:#7dd3fc;font-weight:600}

/* ---------- article ---------- */
.narrow{max-width:740px;margin:0 auto}
.crumbs{font-family:'Inter',system-ui;font-size:12px;font-weight:500;color:var(--muted);margin:20px 0 14px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
article h1{font-size:32px;margin-bottom:8px}
.byline{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-family:'Inter',system-ui;font-size:12.5px;font-weight:600;color:#8b98ab;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:6px}
.article-body p{margin:1.15em 0;font-size:16.5px;color:#26334d}
.article-body strong{color:var(--ink)}
.article-body h3{margin-top:1.4em}
.share-line{margin-top:2.2em;font-family:'Inter',system-ui;font-weight:700}
.narrow h1{font-size:30px}

/* ---------- footer ---------- */
.site-footer{background:#0b1526;color:#cbd5e1;margin-top:50px;font-family:'Inter',system-ui,sans-serif}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px;padding:42px 18px 24px}
.footer-grid h4{color:#fff;font-size:12px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}
.footer-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:13.5px}
.footer-grid a{color:#93a5bd;transition:color .15s}
.footer-grid a:hover{color:#fff}
.foot-note{font-size:13px;color:#93a5bd;max-width:340px}
.site-footer .brand{color:#fff}
.site-footer .brand-mark{background:linear-gradient(135deg,#1e3a8a,#0e63c9)}
.site-footer .brand-name em{-webkit-text-fill-color:#7dd3fc}
.copy{border-top:1px solid #1c2a42;padding:15px 18px;font-size:12px;color:#64748b;text-align:center}

@media(max-width:840px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-card{grid-template-columns:1fr}
  .cover-hero{min-height:190px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .nav-toggle{display:flex;align-items:center}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--card);border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(11,21,38,.1);flex-direction:column;padding:10px 18px;gap:4px}
  body.nav-open .main-nav{display:flex}
  article h1,.narrow h1{font-size:25px}
  .hero-text h1{font-size:22px}
  .hero-text{padding:22px 22px 24px}
  .article-body p{font-size:15.5px}
  .cover-article{height:150px}
}