:root{color-scheme:dark;--bg:#070b16;--panel:#10192c;--text:#f3f6ff;--muted:#b9c6dc;--line:#354560;--accent:#67e8f9;--violet:#c4b5fd;--focus:#fde68a;--error:#fda4af}*{box-sizing:border-box}html{scroll-padding-top:1.5rem}body{margin:0;background:radial-gradient(circle at 85% 0,#271947,transparent 34rem),var(--bg);color:var(--text);font:1rem/1.65 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent);text-underline-offset:.22em}a:hover{color:#cffafe}button,input,select,textarea{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:4px}h1,h2,h3,p,li,a,label,dd{overflow-wrap:anywhere}h1,h2,h3{line-height:1.18}h1{font-size:clamp(2.3rem,5vw,4rem);letter-spacing:-.045em;max-width:22ch;margin:1rem 0}h2{font-size:1.55rem;letter-spacing:-.02em;margin:0 0 1rem}h3{font-size:1.1rem}p{margin:.7rem 0}.wrap{max-width:1180px;margin:auto;padding:0 24px}.top{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:20px}.brand{font-weight:800;color:var(--text);text-decoration:none;line-height:1.3}.brand span{display:block;color:var(--violet);font-size:.78rem;letter-spacing:.06em}header{border-bottom:1px solid var(--line)}nav{display:flex;flex-wrap:wrap;gap:4px 12px}nav a{display:inline-flex;align-items:center;min-height:44px;padding:8px;text-decoration:none}.languages{padding-top:12px;padding-bottom:12px;align-items:center}.languages a{color:var(--muted);border-radius:8px;border:1px solid transparent}.languages a[aria-current=page]{border-color:#8b7dc4;color:var(--text);background:#211b3e}.languages span{font-size:.8rem;color:var(--muted)}.skip{position:absolute;left:-9999px;top:8px;z-index:10;background:var(--focus);color:#111;padding:12px}.skip:focus{left:12px}.hero{padding:52px 0 34px}.eyebrow{color:var(--violet);font-size:.78rem;letter-spacing:.13em;font-weight:750}.lead{max-width:78ch;font-size:1.15rem;color:var(--muted)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 12px}.button,button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border:1px solid var(--line);border-radius:10px;background:#18243a;color:var(--text);font-weight:700;text-decoration:none;cursor:pointer}button:hover,.button:hover{background:#24334f;color:var(--text)}.primary{background:var(--accent);color:#08202b;border-color:var(--accent)}.primary:hover{background:#a5f3fc;color:#08202b}button:disabled{cursor:wait;opacity:.6}.privacy,.help,.intro{font-size:.9rem;color:var(--muted)}.privacy{max-width:90ch}.workspace{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:28px;align-items:start}.panel{border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,#111b30,#0d1425);padding:26px;min-width:0}.form-section+.form-section{border-top:1px solid var(--line);padding-top:26px;margin-top:28px}.field{margin-top:20px;min-width:0}label{display:block;font-weight:700}input[type=text],select,textarea{display:block;width:100%;min-width:0;min-height:46px;background:#080f1d;color:var(--text);border:1px solid #61718e;border-radius:8px;padding:10px 12px;margin-top:7px}input[inputmode=decimal]{font-variant-numeric:tabular-nums}textarea{resize:vertical;min-height:100px}select{max-width:200px}.help{display:block;margin-top:6px;line-height:1.5}fieldset{border:0;margin:24px 0 0;padding:0}legend{font-weight:750;padding:0}.cost-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.error{color:var(--error);font-size:.9rem;margin:.4rem 0 0}.alert{border-left:3px solid var(--error);background:#321522;padding:12px 16px;color:#ffe4e6}.check{display:flex;align-items:flex-start;gap:12px;margin-top:22px;font-weight:600}.check input{accent-color:var(--accent);min-width:22px;min-height:22px;margin-top:3px}.formula{border-left:3px solid var(--violet);padding-left:14px;font-size:.9rem;color:var(--muted)}[aria-invalid=true]{border-color:var(--error)!important}.result-shell{position:sticky;top:20px}.result-state{color:var(--violet);font-weight:750}.result-body{font-size:.9rem;color:var(--muted)}.metrics{margin:22px 0}.metric{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;align-items:baseline}.metric dt{font-size:.9rem;color:var(--muted)}.metric dd{margin:0;text-align:right;font-size:1.12rem;font-weight:750;font-variant-numeric:tabular-nums}.metric.highlight{background:#102e38;padding:18px;border:1px solid #27677a;border-radius:10px;display:block;margin:14px 0}.metric.highlight dt{color:#a5f3fc}.metric.highlight dd{text-align:left;font-size:clamp(1.5rem,3vw,2rem);color:var(--text);margin-top:6px}.breakdown{margin-top:24px}.breakdown summary{cursor:pointer;min-height:44px;font-weight:700}.breakdown table{border-collapse:collapse;width:100%;font-size:.9rem}.breakdown th,.breakdown td{border-bottom:1px solid var(--line);padding:8px 0;text-align:left}.breakdown th{font-weight:500}.breakdown td{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.notes-output{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--muted)}.section{margin:52px 0}.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;counter-reset:steps;list-style:none;padding:0}.steps li{border:1px solid var(--line);border-radius:14px;padding:22px;background:#0e1628}.steps h3{margin-top:0;color:var(--violet)}.steps h3:before{counter-increment:steps;content:counter(steps) '. ';color:var(--accent)}.steps p,.card p{color:var(--muted)}.example{border:1px solid #50517b;border-radius:14px;padding:24px;background:linear-gradient(120deg,#142037,#211a38)}.example h3{margin-top:0}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{padding:22px;border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;background:#0e1628}.card h3{margin-top:0}.card a{display:inline-flex;align-items:center;min-height:44px}.scope{border-top:1px solid var(--line);margin-top:22px;padding-top:18px;font-size:.9rem;color:var(--muted)}footer{border-top:1px solid var(--line);padding:26px 0 36px;color:var(--muted);font-size:.9rem}footer p{max-width:95ch}[hidden]{display:none!important}@media(max-width:900px){.workspace{grid-template-columns:1fr}.result-shell{position:static}}@media(max-width:620px){.wrap{padding:0 16px}.top{display:block}.top nav{margin-top:16px}.hero{padding-top:32px}.panel{padding:20px}.cost-grid,.steps,.grid{grid-template-columns:1fr}.actions{align-items:stretch}.actions button,.actions .button{flex:1 1 180px}.metric{gap:10px}.metric dd{font-size:1rem}.languages span{display:block;flex-basis:100%}.section{margin:38px 0}}@media print{:root{color-scheme:light}body{background:#fff;color:#111}.wrap{max-width:none;padding:0}header,.skip,.hero .actions,#quote-form,.privacy,.workspace .actions,.section,.sample-status,footer nav,#copy-status{display:none!important}.hero{padding:0 0 18px}.hero h1{font-size:26px;max-width:none}.hero .lead,.eyebrow{color:#333}.workspace{display:block}.result-shell{position:static}.panel{padding:18px;border-color:#aaa;background:#fff;color:#111}.result-body,.result-state,.metric dt,.metric dd,.formula,.scope,.notes-output{color:#111}.metric.highlight{background:#f2f7fa;border-color:#888}.metric.highlight dt,.metric.highlight dd{color:#111}details:not([open])>*{display:revert}.breakdown table{display:table}.metric,.breakdown tr{break-inside:avoid}footer{margin-top:24px}.help{color:#333}a{color:#111}}