:root{
  --blue:#1d4ed8;--blue-dark:#1e3a8a;--ink:#1e293b;--muted:#64748b;
  --bg:#f8fafc;--card:#ffffff;--line:#e2e8f0;--accent:#f59e0b;--green:#059669;
}
*{box-sizing:border-box;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:1.65;font-size:16px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* header */
.site-header{background:var(--blue-dark);color:#fff;padding:14px 0}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.logo{font-size:1.35rem;font-weight:800;color:#fff;letter-spacing:-.5px}
.logo span{color:var(--accent)}
.site-header nav{display:flex;gap:18px;flex-wrap:wrap}
.site-header nav a{color:#dbeafe;font-size:.9rem}

/* hero */
.hero{background:linear-gradient(135deg,var(--blue-dark),var(--blue));color:#fff;padding:56px 0 64px;text-align:center}
.hero h1{font-size:2.3rem;line-height:1.2;margin-bottom:14px;letter-spacing:-1px}
.hero p{font-size:1.15rem;color:#dbeafe;max-width:640px;margin:0 auto}

main{padding:36px 0 60px}
h1{font-size:1.9rem;line-height:1.25;letter-spacing:-.5px;margin-bottom:8px}
h2{font-size:1.4rem;margin:36px 0 14px}
h3{font-size:1.1rem;margin:20px 0 8px}
p{margin-bottom:14px}
ul,ol{margin:0 0 14px 22px}
.updated{color:var(--muted);font-size:.85rem;margin-bottom:20px}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:16px}

/* cards & grids */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;margin:24px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;transition:box-shadow .15s}
.card:hover{box-shadow:0 4px 16px rgba(30,58,138,.12)}
.card h3{margin-top:0}
.card p{font-size:.9rem;color:var(--muted);margin-bottom:0}
.state-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px;margin:20px 0}
.state-grid a{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:9px 13px;font-size:.9rem;display:flex;justify-content:space-between}
.state-grid a b{color:var(--muted);font-weight:600;font-size:.8rem}

/* fact box */
.factbox{background:#eff6ff;border:1px solid #bfdbfe;border-left:4px solid var(--blue);border-radius:8px;padding:16px 20px;margin:20px 0}
.factbox table{width:100%;border-collapse:collapse;font-size:.95rem}
.factbox td{padding:6px 8px;vertical-align:top}
.factbox td:first-child{font-weight:700;white-space:nowrap;width:200px}
.factbox .note{font-size:.85rem;color:var(--muted);margin:8px 0 0}

/* generator */
.generator{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;margin:24px 0;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.generator h2{margin-top:0}
.gen-form label{display:block;font-weight:600;font-size:.85rem;margin:12px 0 4px}
.gen-form input,.gen-form select,.gen-form textarea{width:100%;padding:9px 12px;border:1px solid #cbd5e1;border-radius:7px;font-size:.95rem;font-family:inherit}
.gen-form input:focus,.gen-form select:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.letter-wrap{background:#fff}
#letter-preview{border:1px solid var(--line);border-radius:8px;padding:28px;font-family:Georgia,"Times New Roman",serif;font-size:.9rem;white-space:pre-wrap;min-height:400px;background:#fff;box-shadow:inset 0 1px 4px rgba(0,0,0,.04)}
.btn-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--blue);color:#fff;border:none;border-radius:8px;padding:11px 22px;font-size:.95rem;font-weight:700;cursor:pointer}
.btn:hover{background:var(--blue-dark)}
.btn.secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.deadline-hint{background:#fefce8;border:1px solid #fde68a;border-radius:7px;padding:8px 12px;font-size:.85rem;margin-top:12px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:20px 0}
.step{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px}
.step b{display:block;color:var(--blue);font-size:1.5rem;margin-bottom:6px}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 18px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer}
.faq details p{margin:10px 0 0}

/* disclaimer */
.disclaimer{background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:14px 18px;font-size:.85rem;color:#7f1d1d;margin:28px 0}

/* related */
.related{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.related a{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:.85rem}

/* footer */
.site-footer{background:var(--ink);color:#94a3b8;padding:32px 0;font-size:.85rem;margin-top:40px}
.site-footer a{color:#cbd5e1;margin-right:16px}
.site-footer p{margin-bottom:8px}

/* ad slots */
.ad-slot{min-height:90px;background:repeating-linear-gradient(45deg,#f1f5f9,#f1f5f9 12px,#f8fafc 12px,#f8fafc 24px);border:1px dashed var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#94a3b8;font-size:.75rem;margin:24px 0}

@media(max-width:820px){
  .generator{grid-template-columns:1fr}
  .hero h1{font-size:1.7rem}
  h1{font-size:1.5rem}
}

/* print: only the letter */
@media print{
  body *{visibility:hidden}
  #letter-preview,#letter-preview *{visibility:visible}
  #letter-preview{position:absolute;left:0;top:0;width:100%;border:none;box-shadow:none;font-size:12pt;padding:0}
}