/* Dietz Bookkeeping — Premium Static Site (no React) */
*{box-sizing:border-box}html,body{margin:0;padding:0}img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}
:root{--bg:#ffffff;--bg-soft:#f6f9ff;--bg-soft-2:#eef6ff;--text:#0f172a;--muted:#475569;--muted-2:#64748b;
--border:rgba(15,23,42,.10);--shadow:0 16px 48px rgba(2, 6, 23, 0.08);--shadow-sm:0 10px 28px rgba(2, 6, 23, 0.06);
--radius:16px;--radius-lg:22px;--primary:#2563eb;--primary-2:#1d4ed8;--primary-soft:#eaf2ff;--focus:rgba(37,99,235,.25);--max:1120px}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);
line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{letter-spacing:-0.02em}h1{font-size:clamp(34px,5vw,56px);line-height:1.03;margin:0 0 14px}
h2{font-size:clamp(24px,3.2vw,34px);line-height:1.12;margin:0 0 10px}h3{font-size:18px;line-height:1.2;margin:0 0 8px}
p{margin:0 0 12px;color:var(--muted)}.lead{font-size:18px;color:var(--muted)}.small{font-size:14px;color:var(--muted-2)}
.kicker{display:inline-flex;gap:8px;align-items:center;padding:6px 10px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.7);color:var(--muted-2);font-size:13px}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.section{padding:76px 0}.bg-soft{background:linear-gradient(180deg,var(--bg-soft),#fff 55%)}.center{text-align:center}
.row{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.spacer{height:14px}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.82);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-badge{width:28px;height:28px;border-radius:10px;background:radial-gradient(circle at 30% 30%,#dbeafe,#bfdbfe 45%,#93c5fd);
border:1px solid rgba(37,99,235,.20);box-shadow:0 12px 30px rgba(37,99,235,.12)}
.navlinks{display:flex;gap:18px;align-items:center;list-style:none;padding:0;margin:0}
.navlinks a{font-size:14px;color:var(--muted)}.navlinks a.active{color:var(--primary);font-weight:650}.navlinks a:hover{color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:14px;border:1px solid transparent;
font-weight:650;font-size:14px;transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease,color .12s ease;cursor:pointer}
.btn:active{transform:translateY(1px)}.btn:focus{outline:3px solid var(--focus);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 34px rgba(37,99,235,.22)}.btn-primary:hover{background:var(--primary-2)}
.btn-secondary{background:#fff;border-color:rgba(37,99,235,.25);color:var(--primary)}.btn-secondary:hover{background:var(--primary-soft)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--muted)}.btn-ghost:hover{background:rgba(2,6,23,.03);color:var(--text)}
.btn-group{display:flex;gap:12px;flex-wrap:wrap}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:940px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}
.card{border:1px solid var(--border);border-radius:var(--radius-lg);background:rgba(255,255,255,.78);backdrop-filter:blur(8px);box-shadow:var(--shadow-sm);padding:20px}
.card.tight{padding:16px;border-radius:var(--radius)}.card ul{margin:10px 0 0 18px;color:var(--muted)}.card li{margin:6px 0}
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border);
background:radial-gradient(900px 420px at 20% 5%,rgba(37,99,235,.10),transparent 60%),
radial-gradient(700px 320px at 90% 25%,rgba(56,189,248,.10),transparent 60%),
linear-gradient(180deg,var(--bg-soft),#fff 55%)}
.hero-inner{padding:78px 0 64px}.hero h1{max-width:880px}.hero p{max-width:720px}
.hero-panel{margin-top:26px;border:1px solid var(--border);border-radius:26px;padding:18px;background:rgba(255,255,255,.70);backdrop-filter:blur(10px);box-shadow:var(--shadow)}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}@media (max-width:940px){.hero-metrics{grid-template-columns:1fr}}
.metric{border:1px solid var(--border);border-radius:18px;padding:14px;background:rgba(255,255,255,.72)}
.metric strong{display:block;font-size:16px;color:var(--text)}.metric span{font-size:13px;color:var(--muted-2)}
.breadcrumb{font-size:13px;color:var(--muted-2);margin:0 0 10px}.breadcrumb a{color:var(--muted-2);text-decoration:underline;text-underline-offset:3px}.breadcrumb a:hover{color:var(--text)}
.form-card{max-width:820px;margin:0 auto}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media (max-width:940px){.form-grid{grid-template-columns:1fr}}
.field label{display:block;font-size:13px;color:var(--muted-2);margin:0 0 6px}
.field input,.field select{width:100%;padding:12px 12px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,.9)}
.field input:focus,.field select:focus{outline:3px solid var(--focus);border-color:rgba(37,99,235,.35)}
.progress{display:flex;gap:10px;align-items:center;margin:0 0 14px}.pill{height:10px;flex:1;border-radius:999px;background:rgba(2,6,23,.06);overflow:hidden}.pill>i{display:block;height:100%;width:0;background:var(--primary)}
footer{border-top:1px solid var(--border);padding:40px 0;background:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}@media (max-width:940px){.footer-grid{grid-template-columns:1fr}}
.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin:8px 0}
.footer-bottom{border-top:1px solid var(--border);margin-top:18px;padding-top:14px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted-2)}
.ai-fab{position:fixed;right:18px;bottom:18px;z-index:50}
.ai-btn{width:54px;height:54px;border-radius:18px;border:1px solid rgba(37,99,235,.25);background:rgba(255,255,255,.78);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);cursor:pointer;display:grid;place-items:center}
.ai-dot{width:10px;height:10px;border-radius:999px;background:var(--primary);box-shadow:0 0 0 6px rgba(37,99,235,.12)}
.ai-panel{position:absolute;right:0;bottom:66px;width:min(360px,calc(100vw - 36px));border:1px solid var(--border);border-radius:22px;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);box-shadow:var(--shadow);overflow:hidden;display:none}
.ai-panel.open{display:block}.ai-head{padding:14px 14px 10px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.ai-body{padding:12px 14px;max-height:320px;overflow:auto}.ai-msg{margin:10px 0}.ai-msg .who{font-size:12px;color:var(--muted-2);margin-bottom:4px}
.ai-msg .bubble{border:1px solid var(--border);border-radius:16px;padding:10px 10px;background:rgba(255,255,255,.85);color:var(--muted)}
.ai-body .bubble a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.ai-actions{display:flex;gap:10px;flex-wrap:wrap;padding:12px 14px;border-top:1px solid var(--border)}.ai-actions a{flex:1;min-width:150px}