:root{
  --navy:#0b3d91; --navy-2:#0a2f6e; --amber:#f5a623; --amber-2:#d98b13;
  --ink:#101828; --muted:#475467; --line:#e4e7ec; --bg:#f7f8fb; --card:#ffffff;
  --good:#16a34a; --bad:#dc2626; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
  --radius:10px; --max:1180px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.6; -webkit-font-smoothing:antialiased}
.container{max-width:var(--max); margin:0 auto; padding:0 20px}
a{color:var(--navy); text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink); line-height:1.25; margin:0 0 .5em}
h1{font-size:2.1rem}
h2{font-size:1.5rem; margin-top:1.2em}
h3{font-size:1.15rem}
p{margin:0 0 1em}
img{max-width:100%; height:auto; display:block}

/* Header */
.site-header{background:var(--navy); color:#fff}
.header-row{display:flex; align-items:center; justify-content:space-between; padding:14px 20px; gap:20px; flex-wrap:wrap}
.brand{display:inline-flex; align-items:center; gap:10px; color:#fff; text-decoration:none; font-weight:700}
.brand:hover{text-decoration:none}
.brand-mark{background:var(--amber); color:var(--navy-2); padding:4px 8px; border-radius:6px; font-size:.85rem; letter-spacing:.5px}
.brand-name{font-size:1.15rem}
.primary-nav{display:flex; gap:18px; flex-wrap:wrap}
.primary-nav a{color:#fff; opacity:.9; font-size:.95rem}
.primary-nav a:hover{opacity:1; text-decoration:underline}

/* Breadcrumbs */
.breadcrumbs{background:#fff; border-bottom:1px solid var(--line); font-size:.875rem; color:var(--muted)}
.breadcrumbs .container{padding:10px 20px}
.breadcrumbs a{color:var(--navy)}
.breadcrumbs .sep{margin:0 8px; color:#cbd5e1}
.breadcrumbs .current{color:var(--ink); font-weight:500}

/* Main */
.main-content{padding:28px 20px 48px}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%); color:#fff; border-radius:14px; padding:40px 36px; margin-bottom:28px; display:grid; grid-template-columns:1.3fr 1fr; gap:30px; align-items:center; box-shadow:var(--shadow)}
.hero h1{color:#fff; font-size:2.4rem}
.hero p{color:#dbeafe; font-size:1.05rem}
.hero-cta{display:inline-block; background:var(--amber); color:var(--navy-2); padding:12px 22px; border-radius:8px; font-weight:600; margin-top:6px}
.hero-cta:hover{background:var(--amber-2); text-decoration:none}
.hero-img{border-radius:12px; box-shadow:0 8px 24px rgba(0,0,0,.25)}
@media(max-width:780px){.hero{grid-template-columns:1fr; padding:28px 22px} .hero h1{font-size:1.8rem}}

/* Cards / grids */
.grid{display:grid; gap:14px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-6{grid-template-columns:repeat(6,1fr)}
@media(max-width:900px){.grid-3,.grid-4,.grid-6{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}}

.card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:18px; box-shadow:var(--shadow); transition:transform .12s, box-shadow .12s}
.card:hover{transform:translateY(-2px); box-shadow:0 4px 12px rgba(16,24,40,.1); text-decoration:none}
.card h3{margin:0 0 6px}
.card p{color:var(--muted); margin:0; font-size:.9rem}
a.card{color:inherit; display:block}

.tag{display:inline-block; background:#eef4ff; color:var(--navy); border-radius:999px; padding:2px 10px; font-size:.78rem; font-weight:600; margin-right:6px}
.tag-amber{background:#fff5e0; color:#925a04}

/* Section heading */
.section{margin:36px 0 8px}
.section h2{margin:0 0 4px}
.section .sub{color:var(--muted); font-size:.95rem; margin:0 0 14px}

/* States grid */
.state-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); gap:8px}
.state-grid a{display:block; padding:10px 12px; background:#fff; border:1px solid var(--line); border-radius:8px; font-size:.92rem}
.state-grid a:hover{background:#eef4ff; text-decoration:none}

/* Practice question */
.question{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:22px; margin-bottom:18px; box-shadow:var(--shadow)}
.question .num{color:var(--muted); font-size:.85rem; font-weight:600; letter-spacing:.5px; text-transform:uppercase}
.question .q-text{font-size:1.08rem; font-weight:600; margin:6px 0 14px}
.choices{list-style:none; margin:0 0 12px; padding:0}
.choices li{margin:0 0 8px}
.choices label{display:block; padding:12px 14px; border:1px solid var(--line); border-radius:8px; cursor:pointer; background:#fafbfd; transition:background .1s, border-color .1s}
.choices label:hover{background:#eef4ff; border-color:#bfd4ff}
.choices input{margin-right:10px}
.choices .correct label{background:#ecfdf3; border-color:#a7f3c4}
.choices .wrong label{background:#fef2f2; border-color:#fecaca}
.explain{display:none; margin-top:10px; padding:14px; background:#f6f8fb; border-left:4px solid var(--navy); border-radius:6px; font-size:.95rem}
.explain.show{display:block}
.explain strong{color:var(--good)}
.explain.bad strong{color:var(--bad)}

/* Sidebar layout for state/endorsement page */
.two-col{display:grid; grid-template-columns:1fr 280px; gap:24px}
@media(max-width:900px){.two-col{grid-template-columns:1fr}}
.sidebar .card{margin-bottom:14px}

/* Article */
.article{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:28px; box-shadow:var(--shadow)}
.article h2{margin-top:1.5em}
.article ul{padding-left:1.3em}
.article li{margin-bottom:.4em}

/* Footer */
.site-footer{background:#0a1733; color:#cbd5e1; margin-top:60px; padding:36px 0 14px}
.site-footer .brand-name{color:#fff}
.footer-tag{color:#94a3b8; font-size:.9rem; margin-top:8px}
.footer-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:30px; padding-bottom:26px}
@media(max-width:780px){.footer-grid{grid-template-columns:1fr 1fr} }
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{color:#fff; font-size:.95rem; margin:0 0 10px}
.footer-grid ul{list-style:none; padding:0; margin:0}
.footer-grid li{margin-bottom:6px}
.footer-grid a{color:#cbd5e1; font-size:.9rem}
.footer-grid a:hover{color:#fff}
.footer-legal{border-top:1px solid #1e2a4a; padding:14px 20px 0; font-size:.82rem; color:#7b8aa8}

/* Stats strip */
.stats{display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin:24px 0}
@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:18px; text-align:center}
.stat .num{font-size:1.8rem; font-weight:800; color:var(--navy); display:block}
.stat .lbl{color:var(--muted); font-size:.85rem; margin-top:4px}

.btn{display:inline-block; background:var(--navy); color:#fff; padding:10px 18px; border-radius:8px; font-weight:600; border:none; cursor:pointer}
.btn:hover{background:var(--navy-2); text-decoration:none}
.btn-amber{background:var(--amber); color:var(--navy-2)}
.btn-amber:hover{background:var(--amber-2)}
.btn-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px}

.callout{background:#fff8e6; border:1px solid #fde68a; border-left:4px solid var(--amber); padding:14px 16px; border-radius:8px; margin:18px 0}
.callout strong{color:#7a4f00}