:root{--bg:#f8fafc;--card:#fff;--text:#0f172a;--muted:#475569;--primary:#2563eb;--border:#e2e8f0}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
.container{max-width:920px;margin:0 auto;padding:24px}
header.hero{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;margin-bottom:20px}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.badge{font-size:12px;background:#eef2ff;color:#3730a3;padding:4px 8px;border-radius:999px}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;margin:16px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
label{font-weight:600;font-size:14px}input,select{width:100%;padding:10px;border-radius:8px;border:1px solid #cbd5e1;margin-top:6px}
button{background:var(--primary);color:#fff;border:0;padding:10px 14px;border-radius:10px;cursor:pointer;margin-right:8px}
button.secondary{background:#334155}
.small{padding:8px 10px;border-radius:10px;font-size:13px}
.result{font-weight:700;font-size:20px;margin:10px 0}.muted{color:var(--muted);font-size:14px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.cta a{display:inline-block;background:#0f766e;color:#fff;padding:8px 12px;border-radius:8px;text-decoration:none}
.faq h3{margin-bottom:4px}.pill-links a{display:inline-block;margin:5px 8px 0 0;padding:6px 10px;border:1px solid var(--border);border-radius:999px;text-decoration:none;color:#0f172a;background:#fff}
footer{margin:28px 0;color:var(--muted);font-size:13px}
code{background:#f1f5f9;padding:1px 4px;border-radius:4px}


/* --- Site chrome --- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(248,250,252,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:14px;justify-content:space-between;padding:12px 24px}
.brand{font-weight:800;letter-spacing:-.02em;text-decoration:none;color:var(--text);font-size:18px}
.nav-links{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--muted);text-decoration:none;font-weight:600;font-size:14px;padding:8px 10px;border-radius:10px}
.nav-links a:hover{background:rgba(37,99,235,.08);color:var(--text)}
.nav-cta{margin-left:auto;text-decoration:none;background:var(--primary);color:#fff;padding:9px 12px;border-radius:12px;font-weight:700;font-size:14px;box-shadow:0 8px 22px rgba(37,99,235,.18)}
.nav-cta:hover{filter:brightness(.98)}

/* keep content from hiding behind sticky header */
main.container{padding-top:18px}

/* --- Grids / tiles --- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:860px){.grid-3{grid-template-columns:1fr} .nav-links{display:none} .nav-cta{margin-left:0}}
.tile{display:block;border:1px solid var(--border);background:var(--card);border-radius:14px;padding:14px;text-decoration:none;color:var(--text);transition:transform .08s ease, box-shadow .08s ease}
.tile:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(15,23,42,.06)}
.tile h3{margin:0 0 6px;font-size:16px}
.tile p{margin:0}

/* --- Footer --- */
.site-footer{margin-top:32px;border-top:1px solid var(--border);background:rgba(255,255,255,.55)}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;padding:26px 24px}
.footer-brand{font-weight:800;font-size:16px;margin-bottom:6px}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.footer-links a{text-decoration:none;color:var(--muted);font-weight:600;font-size:14px}
.footer-links a:hover{color:var(--text)}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr}}

/* --- Calculator UI polish --- */
.card{box-shadow:0 10px 30px rgba(15,23,42,.04)}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(37,99,235,.08);color:var(--text);border:1px solid rgba(37,99,235,.18);padding:7px 10px;border-radius:999px;font-weight:700;font-size:13px}

/* --- Results summary card --- */
.result-card{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;border:1px solid var(--border);background:linear-gradient(180deg, rgba(37,99,235,.06), rgba(255,255,255,0));border-radius:14px;padding:14px;margin-top:12px}
.result-label{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.04em;text-transform:uppercase;margin-bottom:6px}
.result-value{font-weight:900;font-size:20px}
.result-sub{color:var(--muted);font-size:14px;margin-top:6px}
.result-actions{display:flex;align-items:center;gap:10px}
.breakdown{margin-top:10px;border:1px solid var(--border);background:#fff;border-radius:14px;padding:10px 12px}
.breakdown summary{cursor:pointer;font-weight:800}
.breakdown-body{margin-top:10px}
.breakdown-body ul{margin:10px 0 0 18px}
.breakdown-body li{margin:6px 0}