:root{--navy:#0c2340;--navy-deep:#071627;--navy-soft:#e8eef6;--gold:#c45c26;--gold-deep:#9a4519;--gold-soft:#fdf0e9;--ink:#1a1f26;--ink-2:#3d4654;--ink-3:#6b7380;--line:#e4e8ee;--line-strong:#c9d0da;--bg:#f3f1ec;--bg-warm:#ebe7df;--card:#fff;--success:#1a6b4a;--radius:4px;--radius-sm:3px;--shadow:0 1px 0 #0c23400d, 0 14px 36px #0c234012;--shadow-sm:0 1px 2px #0c23400d;--serif:"Source Serif 4", Georgia, "Times New Roman", serif;--sans:"Inter", system-ui, -apple-system, sans-serif;--mono:"IBM Plex Mono", ui-monospace, monospace;--max:1080px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{min-height:100vh;font-family:var(--sans);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.55}#root{min-height:100vh}a{color:inherit}button,input,select{font:inherit;color:inherit}.topbar{z-index:40;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.topbar-inner{max-width:var(--max);justify-content:space-between;align-items:center;gap:1rem;margin:0 auto;padding:.75rem 1.25rem;display:flex}.brand{align-items:center;gap:.65rem;text-decoration:none;display:flex}.brand-mark{background:var(--navy);width:34px;height:34px;color:var(--gold);font-family:var(--serif);letter-spacing:-.02em;border-radius:8px;place-items:center;font-size:1.05rem;font-weight:700;display:grid}.brand-text{flex-direction:column;line-height:1.15;display:flex}.brand-name{letter-spacing:.06em;color:var(--navy);font-size:.95rem;font-weight:700}.brand-sub{color:var(--ink-3);font-size:.7rem;font-weight:500}.nav-links{gap:.15rem;display:flex}.nav-links a{color:var(--ink-2);border-radius:6px;padding:.4rem .7rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:background .15s,color .15s}.nav-links a:hover{background:var(--navy-soft);color:var(--navy)}.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}.section{padding:3.25rem 0}.section-label{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:.5rem;font-size:.7rem;font-weight:500}.section-title{font-family:var(--serif);letter-spacing:-.02em;color:var(--navy);margin:0 0 .5rem;font-size:clamp(1.65rem,2.8vw,2.1rem);font-weight:600;line-height:1.2}.section-lead{max-width:54ch;color:var(--ink-2);margin:0;font-size:1rem}.section-head{margin-bottom:1.75rem}.hero{background:linear-gradient(180deg, var(--bg-warm) 0%, var(--bg) 100%);border-bottom:1px solid var(--line);padding:2.75rem 0 2rem}.hero-grid{grid-template-columns:1.35fr 1fr;align-items:start;gap:2rem;display:grid}.eyebrow{color:var(--navy);background:var(--gold-soft);border:1px solid #b3a36959;border-radius:999px;align-items:center;gap:.5rem;margin-bottom:1rem;padding:.35rem .75rem;font-size:.8rem;font-weight:600;display:inline-flex}.hero h1{font-family:var(--serif);letter-spacing:-.025em;color:var(--navy);margin:0 0 .9rem;font-size:clamp(2rem,4vw,2.75rem);font-weight:600;line-height:1.15}.hero-abstract{color:var(--ink-2);max-width:48ch;margin:0 0 1.35rem;font-size:1.05rem}.meta-row{flex-wrap:wrap;gap:.45rem;margin-bottom:1.5rem;display:flex}.tag{color:var(--ink-2);background:var(--card);border:1px solid var(--line);border-radius:6px;padding:.3rem .65rem;font-size:.78rem;font-weight:500}.actions{flex-wrap:wrap;gap:.6rem;display:flex}.btn{cursor:pointer;border:1px solid #0000;border-radius:8px;align-items:center;gap:.4rem;padding:.65rem 1.1rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s,box-shadow .15s;display:inline-flex}.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--navy-deep);box-shadow:var(--shadow-sm)}.btn-secondary{background:var(--card);color:var(--navy);border-color:var(--line-strong)}.btn-secondary:hover{border-color:var(--navy);background:var(--navy-soft)}.results-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.results-head{background:var(--navy);color:#fff;padding:1rem 1.15rem}.results-head .label{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#ffffffa6;margin-bottom:.25rem;font-size:.68rem}.results-head .title{font-family:var(--serif);font-size:1.15rem;font-weight:600}.results-body{padding:1rem 1.15rem 1.15rem}.result-row{border-bottom:1px solid var(--line);grid-template-columns:1fr auto auto;align-items:center;gap:.75rem;padding:.7rem 0;font-size:.9rem;display:grid}.result-row:last-child{border-bottom:none;padding-bottom:0}.result-row.best{background:var(--gold-soft);border-bottom-color:#b3a36940;margin:0 -1.15rem;padding-left:1.15rem;padding-right:1.15rem}.result-row .name{color:var(--ink);align-items:center;gap:.4rem;font-weight:600;display:flex}.result-row .badge{text-transform:uppercase;letter-spacing:.04em;color:var(--gold-deep);background:#fff;border:1px solid #b3a36966;border-radius:4px;padding:.12rem .4rem;font-size:.65rem;font-weight:600}.result-row .r2{font-family:var(--mono);color:var(--navy);font-size:.85rem;font-weight:500}.result-row .rmse{font-family:var(--mono);color:var(--ink-3);font-size:.78rem}.results-foot{color:var(--ink-3);border-top:1px solid var(--line);margin-top:.85rem;padding-top:.85rem;font-size:.78rem;line-height:1.4}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:1.2rem 1.25rem}.card h3{font-family:var(--serif);color:var(--navy);margin:0 0 .4rem;font-size:1.15rem;font-weight:600}.card p{color:var(--ink-2);margin:0;font-size:.92rem}.grid-2{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:.85rem;display:grid}.step-card .num{font-family:var(--mono);color:var(--gold-deep);letter-spacing:.06em;margin-bottom:.4rem;font-size:.72rem;font-weight:500}.source-list{flex-direction:column;gap:.85rem;margin-top:.85rem;display:flex}.source-item .top{justify-content:space-between;gap:.5rem;margin-bottom:.35rem;font-size:.88rem;display:flex}.source-item .top strong{color:var(--ink)}.source-item .top span{color:var(--ink-3);text-align:right;font-size:.8rem}.bar{background:var(--navy-soft);border-radius:999px;height:6px;overflow:hidden}.bar>i{background:linear-gradient(90deg, var(--navy), #2a5a85);border-radius:999px;height:100%;display:block}.est-grid{grid-template-columns:1.2fr .9fr;align-items:start;gap:1rem;display:grid}.est-form h3{margin-top:0}.est-hint{color:var(--ink-3);font-size:.88rem;margin:0 0 1.1rem!important}.fields{grid-template-columns:1fr 1fr;gap:.9rem;display:grid}.field{flex-direction:column;gap:.35rem;display:flex}.field.full{grid-column:1/-1}.field label{color:var(--ink-2);font-size:.8rem;font-weight:600}.field .range-row{justify-content:space-between;align-items:baseline;display:flex}.field .range-val{font-family:var(--mono);color:var(--navy);font-size:.8rem;font-weight:500}.field select{appearance:none;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7789' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E") right .75rem center no-repeat;outline:none;padding:.55rem 2rem .55rem .7rem;transition:border-color .15s,box-shadow .15s}.field select:focus{border-color:var(--navy);box-shadow:0 0 0 3px #0030571a}input[type=range]{appearance:none;background:var(--navy-soft);border-radius:999px;outline:none;width:100%;height:5px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--navy);cursor:pointer;border:2px solid #fff;border-radius:50%;width:16px;height:16px;box-shadow:0 1px 4px #00305740}input[type=range]::-moz-range-thumb{background:var(--navy);cursor:pointer;border:2px solid #fff;border-radius:50%;width:16px;height:16px}.est-out{background:var(--navy);color:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1.35rem 1.3rem;position:sticky;top:4.5rem}.est-out .label{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#fff9;font-size:.68rem}.est-out .price{font-family:var(--serif);letter-spacing:-.02em;color:#fff;margin:.35rem 0 .4rem;font-size:2.6rem;font-weight:600;line-height:1.1}.est-out .band{color:#ffffffbf;margin-bottom:.9rem;font-size:.9rem}.est-out .band strong{color:var(--gold);font-weight:600}.age-pill{color:var(--gold);background:#b3a36933;border-radius:999px;margin-bottom:1rem;padding:.3rem .65rem;font-size:.78rem;font-weight:600;display:inline-block}.panel-list{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.panel-item{background:#ffffff0f;border:1px solid #ffffff14;border-radius:6px;justify-content:space-between;padding:.5rem .65rem;font-size:.88rem;display:flex}.panel-item .n{color:#ffffffbf;align-items:center;gap:.4rem;display:flex}.panel-item .dot{border-radius:50%;width:7px;height:7px}.panel-item .v{font-family:var(--mono);font-size:.82rem;font-weight:500}.est-note{color:#ffffff8c;border-top:1px solid #ffffff1a;margin:0;padding-top:.85rem;font-size:.75rem;line-height:1.45}.chart-card{min-height:300px}.chart-card h3{margin-bottom:.15rem}.chart-sub{color:var(--ink-3)!important;margin:0 0 .85rem!important;font-size:.82rem!important}.imp-list{flex-direction:column;gap:.5rem;display:flex}.imp-row{grid-template-columns:118px 1fr 36px;align-items:center;gap:.55rem;display:grid}.imp-row .f{font-family:var(--mono);color:var(--ink-2);font-size:.72rem}.imp-row .t{background:var(--navy-soft);border-radius:999px;height:7px;overflow:hidden}.imp-row .fill{background:var(--navy);border-radius:999px;height:100%}.imp-row .fill.cat{background:var(--gold-deep)}.imp-row .pct{font-family:var(--mono);color:var(--ink-3);text-align:right;font-size:.72rem}.limit-grid{grid-template-columns:1fr 1fr;gap:.85rem;display:grid}.limit-card{border-left:3px solid var(--gold)}.footer{border-top:1px solid var(--line);background:var(--card);color:var(--ink-3);padding:1.75rem 0 2rem;font-size:.88rem}.footer-inner{flex-wrap:wrap;justify-content:space-between;gap:1rem;display:flex}.footer strong{color:var(--navy)}.footer a{color:var(--ink-2);text-decoration:none}.footer a:hover{color:var(--navy);text-decoration:underline}@media (width<=900px){.hero-grid,.est-grid,.grid-2,.limit-grid{grid-template-columns:1fr}.grid-4{grid-template-columns:1fr 1fr}.est-out{position:static}.nav-links{display:none}}@media (width<=540px){.grid-4,.fields{grid-template-columns:1fr}}
