:root{
  --bg:#0b1220; --card:#ffffff; --text:#152033; --muted:#5f6b7d; --accent:#1f6feb; --accent2:#eff6ff;
  --border:#d9e1ea; --soft:#f6f8fb; --success:#e8fff1; --error:#fff1f1;
}
*{box-sizing:border-box} body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.65}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{width:min(1120px,92%);margin:0 auto}
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}
.logo{display:flex;align-items:center;gap:12px;color:var(--text);min-width:0}
.logo img{width:46px;height:46px}
.logo span{display:flex;flex-direction:column}
.logo small{color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.nav-toggle{display:none;border:1px solid var(--border);background:#fff;padding:8px 12px;border-radius:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:none;background:var(--accent);color:#fff;padding:12px 18px;border-radius:12px;font-weight:700;cursor:pointer;text-decoration:none}
.btn:hover{text-decoration:none;opacity:.95}
.btn-secondary{background:#fff;color:var(--accent);border:1px solid var(--accent)}
.btn-sm{padding:8px 12px;border-radius:10px}
.hero{background:linear-gradient(180deg,#f7fbff 0%,#fff 100%);padding:54px 0}
.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:32px;align-items:center}
.hero h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.1;margin:8px 0 16px}
.lead{font-size:1.1rem;color:var(--muted)}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-size:.8rem;font-weight:700}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}
.hero-stats{display:flex;gap:16px;flex-wrap:wrap;margin-top:24px}
.hero-stats div{background:#fff;border:1px solid var(--border);padding:14px 16px;border-radius:14px;min-width:140px}
.hero-stats strong{display:block;font-size:1.2rem}
.section{padding:56px 0}
.section.muted{background:var(--soft)}
.card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px;box-shadow:0 10px 25px rgba(10,34,66,.05)}
.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.narrow{width:min(840px,92%);margin:0 auto}
.lookup-form{display:grid;gap:12px}.lookup-form input,.lookup-form textarea,.card input,.card textarea,.card select{width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:12px;font:inherit}
.check-list{padding-left:18px;color:var(--muted)}
.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px;gap:16px}
.mini-article{padding:14px 0;border-bottom:1px solid var(--border)} .mini-article:last-child{border-bottom:none}
.site-footer{background:#0f1728;color:#d7e0ef;padding:44px 0 10px;margin-top:44px}
.site-footer a{color:#cfe0ff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:16px}
.flash{margin:16px 0;padding:14px 16px;border-radius:14px;border:1px solid var(--border)}
.flash-success{background:var(--success);border-color:#bfe6cb}.flash-error{background:var(--error);border-color:#f0c4c4}
.data-table{width:100%;border-collapse:collapse;font-size:.95rem}
.data-table th,.data-table td{border-bottom:1px solid var(--border);padding:10px 8px;text-align:left;vertical-align:top}
.result-grid,.article-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;margin-top:24px}
.article-body h1{line-height:1.15}.article-body .meta{color:var(--muted)} .article-feature{border-radius:18px;margin:18px 0}
.sidebar{display:grid;gap:20px;align-content:start}
.bookmark-form{margin-top:18px}.bookmark-list{padding-left:18px}
.admin-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.admin-links{display:flex;gap:10px;flex-wrap:wrap}.admin-split{align-items:start}
.small-note{color:var(--muted);font-size:.94rem}
.text-link{font-weight:700}
@media (max-width:900px){
  .hero-grid,.two-col,.grid-3,.grid-4,.result-grid,.article-layout,.footer-grid{grid-template-columns:1fr}
  .main-nav{display:none;position:absolute;top:72px;left:4%;right:4%;background:#fff;border:1px solid var(--border);padding:14px;border-radius:18px;box-shadow:0 12px 30px rgba(10,34,66,.12)}
  .main-nav.open{display:flex;flex-direction:column;align-items:flex-start}
  .nav-toggle{display:block}
}