:root{--bg: #ffffff;--bg-soft: #f5f8fd;--panel: #ffffff;--border: #dde4f0;--border-strong: #c3cee0;--text: #0f1b2d;--muted: #4e5a73;--brand: #2f49cf;--brand-dark: #1f3596;--brand-tint: #eef1fd;--accent: #047857;--accent-dark: #03614a;--accent-tint: #eaf6f1;--warn: #8a4b00;--radius: 10px;--radius-sm: 7px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(15, 27, 45, .06);--shadow-md: 0 8px 22px rgba(15, 27, 45, .08);--shadow-lg: 0 16px 40px rgba(15, 27, 45, .12);--maxw: 760px;--font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font);font-size:17px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"kern" 1}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 18px}.wide{max-width:1040px}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--brand);color:#fff;padding:10px 16px;border-bottom-right-radius:8px;font-weight:700}.skip-link:focus{left:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:3px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.2;color:var(--text)}h1{font-size:2.05rem;margin:0 0 .5rem;letter-spacing:-.02em;font-weight:800}h2{font-size:1.42rem;margin:2.1rem 0 .6rem;letter-spacing:-.011em;font-weight:700}h3{font-size:1.15rem;margin:1.4rem 0 .4rem;letter-spacing:-.008em;font-weight:700}p{margin:0 0 1rem}ul,ol{padding-left:1.3rem}li{margin:.3rem 0}small{color:var(--muted)}.site-header{border-top:3px solid var(--brand);border-bottom:1px solid var(--border);background:#ffffffe0;backdrop-filter:saturate(180%) blur(8px);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:10}.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:62px}.brand{display:inline-flex;align-items:center;gap:.1rem;min-height:48px;font-weight:800;font-size:1.2rem;color:var(--text);letter-spacing:-.02em}.brand span{color:var(--brand)}.site-nav a{display:inline-flex;align-items:center;min-height:48px;padding:0 11px;margin-left:4px;color:var(--muted);font-weight:600;font-size:.96rem;border-bottom:2px solid transparent;transition:color .14s ease,border-color .14s ease}.site-nav a:hover{color:var(--brand);text-decoration:none;border-bottom-color:var(--brand)}.site-footer{border-top:1px solid var(--border);background:var(--bg-soft);margin-top:3.5rem}.site-footer .container{padding-top:1.8rem;padding-bottom:2.2rem}.site-footer nav a{color:var(--muted);margin-right:8px;font-size:.9rem;font-weight:600;display:inline-block;padding:12px 10px 12px 0}.site-footer nav a:hover{color:var(--brand)}.site-footer p{color:var(--muted);font-size:.85rem;margin-top:1rem;line-height:1.6}main{padding:1.9rem 0 1.2rem}.hero{padding:.6rem 0 1.6rem;border-bottom:1px solid var(--border);margin-bottom:1.6rem}.hero .eyebrow{display:inline-flex;align-items:center;font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--brand-dark);background:var(--brand-tint);border:1px solid #d5ddfb;border-radius:999px;padding:5px 13px;margin-bottom:.9rem}.hero h1{font-size:2.5rem;letter-spacing:-.025em}.hero .lede{margin-bottom:0}.card-grid{display:grid;gap:16px;grid-template-columns:1fr;margin:1.2rem 0}@media(min-width:640px){.card-grid{grid-template-columns:1fr 1fr}}.card{display:block;position:relative;border:1px solid var(--border);border-radius:var(--radius);padding:18px 18px 18px 22px;background:var(--bg);color:var(--text);box-shadow:var(--shadow-sm);transition:border-color .14s ease,box-shadow .14s ease,transform .14s ease}.card:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:transparent;transition:background .14s ease}.card:hover{border-color:var(--brand);text-decoration:none;box-shadow:var(--shadow-md);transform:translateY(-2px)}.card:hover:before{background:var(--brand)}.card h2,.card h3{margin:0 0 .3rem;font-size:1.14rem;letter-spacing:-.01em}.card p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.55}.tool{border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;background:var(--bg-soft);margin:1.3rem 0 1.6rem;box-shadow:var(--shadow-sm)}.field{margin-bottom:15px}.field label{display:block;font-weight:600;margin-bottom:6px;font-size:.96rem;letter-spacing:-.005em}.field .hint{display:block;color:var(--muted);font-size:.82rem;font-weight:400;margin-top:3px;line-height:1.45}.field input,.field select,.field textarea{width:100%;min-height:48px;padding:11px 13px;font-size:16px;font-family:inherit;line-height:1.4;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);box-shadow:inset 0 1px 1px #0f1b2d08;transition:border-color .12s ease,box-shadow .12s ease}.field input[type=number]{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}.field textarea{resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #2f49cf29}.row{display:grid;gap:15px;grid-template-columns:1fr}@media(min-width:560px){.row{grid-template-columns:1fr 1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;font-size:1rem;font-weight:700;letter-spacing:-.01em;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:var(--radius-sm);cursor:pointer;box-shadow:var(--shadow-sm);transition:background .14s ease,box-shadow .14s ease,transform .05s ease}.btn:hover{background:var(--brand-dark);border-color:var(--brand-dark);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(1px)}.btn.secondary{background:var(--panel);color:var(--brand-dark);border:1px solid var(--border-strong);box-shadow:var(--shadow-sm)}.btn.secondary:hover{background:var(--brand-tint);border-color:var(--brand);box-shadow:var(--shadow-sm)}.tool-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}.tool-hint{margin-top:8px}.result{margin-top:20px}.result .headline{font-family:var(--mono);font-size:2.15rem;font-weight:700;color:var(--accent-dark);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.15;background:var(--accent-tint);border:1px solid #c7e6d9;border-top:3px solid var(--accent);border-radius:var(--radius);padding:20px 22px;text-align:center}.result .headline small{display:block;font-family:var(--font);font-size:.82rem;color:var(--muted);font-weight:600;letter-spacing:0;margin-top:6px}table.breakdown{width:100%;border-collapse:collapse;margin-top:16px;font-size:.96rem}table.breakdown thead th{text-align:left;padding:8px;font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;border-bottom:1.5px solid var(--border-strong)}table.breakdown th,table.breakdown td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border)}table.breakdown td:last-child,table.breakdown th:last-child{text-align:right;font-variant-numeric:tabular-nums;font-family:var(--mono);letter-spacing:-.01em}table.breakdown thead th:last-child{font-family:var(--font)}table.breakdown tr.total td{font-weight:700;font-size:1.02rem;border-top:2px solid var(--text);border-bottom:none;background:var(--panel)}.note,.disclaimer{border-left:4px solid var(--brand);background:var(--bg-soft);padding:13px 16px;border-radius:var(--radius-sm);margin:1.3rem 0;font-size:.95rem;line-height:1.55}.disclaimer{border-left-color:var(--warn);background:#fbf6ee}.disclaimer strong{color:var(--warn)}.note a,.disclaimer a,.reco a{color:var(--brand-dark)}details.faq{border:1px solid var(--border);border-radius:var(--radius-sm);padding:4px 16px;margin:8px 0;background:var(--panel);box-shadow:var(--shadow-sm)}details.faq summary{font-weight:600;cursor:pointer;padding:11px 0;letter-spacing:-.005em}details.faq[open] summary{border-bottom:1px solid var(--border);margin-bottom:8px}.ad-slot,.reco{border:1px dashed var(--border-strong);border-radius:var(--radius-sm);padding:14px;text-align:center;color:var(--muted);font-size:.85rem;margin:1.5rem 0}.reco{text-align:left;border-style:solid;border-color:var(--border);background:var(--bg-soft)}.byline{color:var(--muted);font-size:.9rem;margin:0 0 1.2rem}.invoice-doc{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);border-top:3px solid var(--brand);padding:30px;margin:1.3rem 0;box-shadow:var(--shadow-md)}.invoice-doc .inv-head{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;align-items:flex-start}.invoice-date-block{text-align:right}.invoice-doc .inv-title{font-size:1.85rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--text)}.invoice-doc .inv-parties{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:20px 0;overflow-wrap:anywhere}.invoice-doc .inv-parties .inv-label{margin:0 0 4px;font-size:.74rem;text-transform:uppercase;color:var(--muted);letter-spacing:.06em;font-weight:700}.invoice-doc table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.95rem}.invoice-doc th,.invoice-doc td{padding:9px 8px;border-bottom:1px solid var(--border);text-align:left}.invoice-doc thead th{font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;border-bottom:1.5px solid var(--border-strong)}.invoice-doc td.num,.invoice-doc th.num{text-align:right;font-variant-numeric:tabular-nums;font-family:var(--mono);letter-spacing:-.01em}.invoice-doc thead th.num{font-family:var(--font)}.invoice-doc .inv-totals{width:min(280px,100%);margin-left:auto;margin-top:14px}.invoice-doc .inv-totals tr.grand td{font-weight:800;font-size:1.12rem;border-top:2px solid var(--text);border-bottom:none}.invoice-doc .inv-notes{margin-top:18px;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--muted);font-size:.9rem;line-height:1.55}.preserve-lines{white-space:pre-wrap}.muted-block,.muted-cell{color:var(--muted)}.lineitems input{min-height:48px}.lineitems .li-row{display:grid;grid-template-columns:1fr 70px 100px 48px;gap:8px;margin-bottom:8px;align-items:center}.lineitems .li-row button{min-height:48px;background:var(--panel);border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer;color:var(--muted);font-weight:700}.lineitems .li-row button:hover{border-color:var(--warn);color:var(--warn)}@media(max-width:540px){.lineitems .li-row{grid-template-columns:1fr 1fr}}@media(max-width:480px){.invoice-doc{padding:18px}.invoice-doc .inv-parties{grid-template-columns:1fr}}@media print{.site-header,.site-footer,.no-print,.ad-slot,.reco,.tool-meta,.byline,.disclaimer{display:none!important}body{font-size:12pt;background:#fff;color:#000}main{padding:0}.invoice-doc{border:none;box-shadow:none;padding:0;margin:0}.invoice-doc .inv-title{color:#000}a{color:#000;text-decoration:none}}.lede{font-size:1.14rem;color:var(--muted);line-height:1.55}.tool .tool-section{font-size:1.15rem;font-weight:700;letter-spacing:-.008em;margin:1.4rem 0 .4rem}.tool-meta{display:flex;gap:8px;flex-wrap:wrap;font-size:.76rem;color:var(--muted);margin-bottom:1.1rem}.tool-meta span{font-family:var(--mono);letter-spacing:.02em;background:var(--panel);border:1px solid var(--border);border-radius:999px;padding:4px 12px;box-shadow:var(--shadow-sm)}