/* GetInvoiceMaker shared page styles (nav, footer, article typography). */
:root{--ink:#0f172a;--ink2:#334155;--muted:#64748b;--line:#e2e8f0;--soft:#f8fafc;--blue:#2563eb;--blue2:#1d4ed8;--blue-soft:#eff6ff}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:'Public Sans',system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--soft);color:var(--ink);line-height:1.6}
a{color:var(--blue)}
img{max-width:100%}
.site-nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}
.site-nav .in{max-width:1180px;margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.site-nav .brand{font-weight:700;font-size:18px;color:var(--ink);text-decoration:none;white-space:nowrap}
.site-nav .brand span{color:var(--blue)}
.site-nav .links{display:flex;align-items:center;gap:4px}
.site-nav .links a{color:var(--muted);font-size:14px;font-weight:500;padding:7px 11px;border-radius:6px;text-decoration:none}
.site-nav .links a:hover{background:#f1f5f9;color:var(--ink)}
.site-nav .links a.cta{background:var(--blue);color:#fff;font-weight:600;margin-left:6px;white-space:nowrap}
.site-nav .links a.cta:hover{background:var(--blue2)}
.site-nav .menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:7px 10px;font:600 13px/1 inherit;color:var(--ink);cursor:pointer}
@media(max-width:820px){
  .site-nav .menu-btn{display:inline-flex;align-items:center;gap:6px;margin-left:auto}
  .site-nav .links a:not(.cta){display:none}
  .site-nav.open .links{position:absolute;top:60px;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(15,23,42,.08);padding:8px 16px 16px}
  .site-nav.open .links a{display:block;padding:12px 4px;border-bottom:1px solid #f1f5f9;border-radius:0;font-size:15px}
  .site-nav.open .links a.cta{margin:10px 0 0;text-align:center;border-radius:8px;border:0}
}
@media(max-width:440px){.site-nav .in{padding:0 14px;gap:8px}.site-nav .brand{font-size:16px}.site-nav .menu-btn{padding:6px 8px}.site-nav .links a.cta{padding:7px 10px;font-size:13px;margin-left:0}}
@media(max-width:340px){.site-nav .menu-btn{font-size:0;gap:0}}
.crumbs{max-width:1180px;margin:0 auto;padding:12px 20px 0;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.page-hero{background:#fff;border-bottom:1px solid var(--line);padding:36px 20px 32px}
.page-hero .in{max-width:860px;margin:0 auto;text-align:center}
.page-hero h1{font-size:clamp(28px,4.4vw,44px);line-height:1.15;font-weight:700;letter-spacing:-.02em;margin-bottom:14px}
.page-hero p.lede{font-size:17px;color:var(--ink2);max-width:680px;margin:0 auto}
.btns{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.btn{display:inline-block;background:var(--blue);color:#fff;font-weight:600;font-size:15px;padding:12px 20px;border-radius:8px;text-decoration:none;border:0;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--blue2)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--soft)}
.facts{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;margin-top:18px;font-size:13px;color:var(--muted)}
.facts span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#16a34a;margin-right:6px;vertical-align:2px}
.wrap{max-width:860px;margin:0 auto;padding:36px 20px}
.prose h2{font-size:clamp(22px,3vw,27px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin:40px 0 14px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;font-weight:650;margin:26px 0 10px}
.prose p{margin-bottom:14px;color:var(--ink2);font-size:16px}
.prose ul,.prose ol{margin:10px 0 18px 22px;color:var(--ink2)}
.prose li{margin-bottom:7px;font-size:16px}
.prose strong{color:var(--ink)}
.prose code{background:#f1f5f9;border-radius:4px;padding:1px 5px;font-size:14px}
.answer{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:10px;padding:18px 20px;margin:0 0 24px}
.answer p{margin:0 0 8px;font-size:16px;color:var(--ink2)}
.answer p:last-child{margin:0}
.formula{background:#0f172a;color:#e2e8f0;border-radius:8px;padding:14px 18px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.8;margin:12px 0 18px;overflow-x:auto}
.formula b{color:#fde68a;font-weight:600}
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:15px;margin:12px 0 10px}
.tbl th{background:var(--soft);text-align:left;font-size:12px;font-weight:700;color:#475569;text-transform:uppercase;letter-spacing:.4px;padding:10px 12px;border-bottom:1px solid var(--line)}
.tbl td{padding:10px 12px;border-bottom:1px solid #f1f5f9;vertical-align:top;color:var(--ink2)}
.tbl tr:last-child td{border-bottom:0}
.tbl td.num,.tbl th.num{text-align:right;white-space:nowrap}
.tbl .strong{font-weight:600;color:var(--ink)}
.source,.prose p.source{font-size:13px;color:var(--muted);margin:6px 0 22px;line-height:1.55}
.source a{color:var(--muted)}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
.example{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px;padding:16px 20px;margin:14px 0}
.example h3{margin:0 0 8px;font-size:16px;color:#14532d}
.example p,.example li{color:#14532d;font-size:15px}
.example ol,.example ul{margin:6px 0 0 20px}
.note{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:14px 18px;margin:16px 0;color:#78350f;font-size:15px}
.cta-band{background:var(--blue);color:#fff;border-radius:14px;padding:28px;text-align:center;margin:36px 0}
.cta-band h2{color:#fff;margin:0 0 8px;font-size:22px}
.cta-band p{color:#dbeafe;margin:0 0 16px}
.cta-band .btn{background:#fff;color:var(--blue)}
.cta-band .btn:hover{background:#eff6ff}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:0 18px;margin-bottom:10px}
.faq summary{cursor:pointer;list-style:none;padding:16px 26px 16px 0;font-weight:600;font-size:16px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font-size:20px;color:#94a3b8;font-weight:400}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 0 16px;margin:0;color:var(--ink2);font-size:15px}
.linklist{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.linklist a{display:block;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px;text-decoration:none;color:var(--ink2)}
.linklist a:hover{border-color:var(--blue);color:var(--blue)}
.dl{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.dl a{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 14px;font-weight:600;font-size:14px;color:var(--ink);text-decoration:none}
.dl a:hover{border-color:var(--blue);color:var(--blue)}
.dl a small{font-weight:500;color:var(--muted)}
.site-foot{background:#0f172a;color:#94a3b8;padding:40px 20px 28px;margin-top:40px}
.site-foot .in{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}
.site-foot h2{font-size:12px;font-weight:600;color:#fff;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}
.site-foot a{display:block;color:#94a3b8;font-size:13px;text-decoration:none;margin-bottom:7px}
.site-foot a:hover{color:#fff}
.site-foot p{font-size:13px;line-height:1.6}
.site-foot .bottom{max-width:1180px;margin:24px auto 0;padding-top:18px;border-top:1px solid #1e293b;font-size:12px;color:#64748b}
@media(max-width:860px){.site-foot .in{grid-template-columns:1fr 1fr}}
@media(max-width:600px){
  .wrap{padding:28px 16px}
  .page-hero{padding:28px 16px}
  .prose p,.prose li{font-size:15.5px}
  .tbl{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:14px}
  .tbl th,.tbl td{padding:8px 9px}
  .crumbs{padding:10px 16px 0}
}