@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#111820;--ink-2:#26333a;--muted:#6e7a7e;--line:#dfe6e2;--paper:#f7f8f5;--white:#fff;--amber:#f1b739;--amber-soft:#fff4d8;--teal:#287c78;--teal-soft:#e5f2f0;--danger:#b45338;--shadow:0 18px 60px rgba(17,24,32,.08);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.55 Manrope,Arial,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.topbar{height:72px;background:var(--ink);color:white;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,4vw,64px);position:sticky;top:0;z-index:20}.brand{color:#fff;display:flex;gap:11px;align-items:center;text-decoration:none;letter-spacing:.08em}.brand-mark{display:grid;place-items:center;width:35px;height:35px;border:2px solid var(--amber);color:var(--amber);font-weight:800;font-size:19px;transform:skew(-10deg)}.brand strong{display:block;font-size:15px;line-height:1}.brand small{display:block;color:#aeb9b8;font:10px 'DM Mono',monospace;margin-top:5px}.topbar-meta{color:#aeb9b8;font:11px 'DM Mono',monospace;text-transform:uppercase;letter-spacing:.1em}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#72c5a6;margin-right:7px}.app-shell{max-width:1440px;margin:0 auto;padding:0 clamp(18px,4vw,64px) 72px}.hero{padding:58px 0 38px;max-width:850px}.eyebrow{font:500 11px 'DM Mono',monospace;letter-spacing:.14em;color:var(--teal);text-transform:uppercase}.hero h1{font-size:clamp(30px,4vw,58px);line-height:1.06;letter-spacing:-.055em;margin:14px 0 16px;max-width:800px}.hero p{font-size:17px;color:var(--muted);max-width:710px;margin:0}.hero-note{margin-top:22px;display:flex;align-items:center;gap:7px;color:#657072;font-size:12px}.hero-note span{display:grid;place-items:center;background:var(--amber);color:var(--ink);font-weight:800;border-radius:50%;width:19px;height:19px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}.workspace{min-width:0}.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 6px 24px rgba(17,24,32,.035);padding:26px;margin-bottom:18px}.section-heading{display:flex;gap:15px;align-items:flex-start;margin-bottom:23px}.step{font:500 12px 'DM Mono',monospace;color:var(--teal);background:var(--teal-soft);border-radius:9px;padding:7px 8px}.section-heading h2{font-size:20px;margin:0 0 3px;letter-spacing:-.025em}.section-heading p{color:var(--muted);margin:0;font-size:12px}.form-grid{display:grid;gap:14px}.form-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.span-2{grid-column:span 2}.textareas{margin-top:16px}label{display:flex;flex-direction:column;gap:6px;color:var(--ink-2);font-size:12px;font-weight:700}input,textarea{width:100%;border:1px solid var(--line);background:#fbfcfa;border-radius:10px;color:var(--ink);padding:11px 12px;outline:none;transition:border .18s,box-shadow .18s;font-size:13px;font-weight:500}input:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(40,124,120,.12);background:#fff}textarea{resize:vertical;min-height:88px}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}.mode-option{cursor:pointer;display:block;border:1px solid var(--line);border-radius:13px;padding:14px 15px;position:relative;transition:.18s;background:#fbfcfa}.mode-option input{position:absolute;opacity:0}.mode-option span{display:block;font-size:15px;font-weight:800}.mode-option small{color:var(--muted);font-size:11px;font-weight:500}.mode-option.active{border-color:var(--teal);background:var(--teal-soft);box-shadow:inset 0 0 0 1px var(--teal)}.cost-group{padding-top:16px;margin-top:17px;border-top:1px solid #edf1ef}.cost-group h3{font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-2);margin:0 0 12px}.formula-callout{margin-top:20px;padding:13px 15px;background:var(--amber-soft);border-left:3px solid var(--amber);display:flex;gap:12px;align-items:center;font-size:12px}.formula-callout span{font:500 10px 'DM Mono',monospace;color:#97731a;text-transform:uppercase}.formula-callout strong{font-size:12px}.check-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}fieldset{border:1px solid var(--line);border-radius:13px;padding:14px;margin:0;min-width:0}legend{font-size:12px;font-weight:800;padding:0 7px}.check-item{display:flex;flex-direction:row;align-items:center;gap:9px;margin:9px 0;color:var(--ink-2);font-weight:600;cursor:pointer}.check-item input{appearance:none;width:17px;height:17px;padding:0;margin:0;border:1px solid #bac8c3;border-radius:5px;background:#fff;flex:none}.check-item input:checked{background:var(--teal);border-color:var(--teal);box-shadow:inset 0 0 0 3px #fff}.action-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:22px 0 9px}.button{border:0;border-radius:11px;padding:13px 17px;font-weight:800;font-size:13px;transition:transform .15s,box-shadow .15s;display:inline-flex;align-items:center;gap:8px}.button:hover{transform:translateY(-1px)}.button.primary{background:var(--amber);color:var(--ink);box-shadow:0 8px 18px rgba(241,183,57,.2)}.button.secondary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(40,124,120,.18)}.button.ghost{background:transparent;color:var(--muted);padding-left:6px}.privacy-note{color:#85918f;font-size:11px;margin:0 4px}.summary-rail{min-width:0}.summary-sticky{position:sticky;top:92px;background:var(--ink);color:#fff;border-radius:var(--radius);padding:23px;box-shadow:var(--shadow);overflow:hidden}.summary-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.summary-head .eyebrow{color:#a5cebd}.summary-head h2{font-size:19px;margin:7px 0 0;letter-spacing:-.03em}.live-tag{font:500 10px 'DM Mono',monospace;color:#8bd4ba;border:1px solid #45615c;padding:5px 7px;border-radius:20px}.summary-mode{display:inline-block;margin:23px 0 10px;background:#29353a;border-radius:6px;padding:5px 8px;font:500 10px 'DM Mono',monospace;color:#d9e4dc;text-transform:uppercase}.main-total{border-bottom:1px solid #344148;padding-bottom:20px}.main-total small,.main-total span{display:block;color:#9da9a8;font-size:11px}.main-total strong{display:block;color:var(--amber);font-size:35px;line-height:1.1;letter-spacing:-.05em;margin:7px 0}.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:20px 0;border-bottom:1px solid #344148}.metric-grid div{display:flex;flex-direction:column;gap:4px}.metric-grid span{color:#9da9a8;font-size:10px}.metric-grid strong{font-size:13px}.breakdown{padding:20px 0;border-bottom:1px solid #344148}.breakdown h3{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:#b6c4c0;margin:0 0 12px}.breakdown-row{display:flex;justify-content:space-between;gap:10px;font-size:11px;margin:8px 0;color:#d3dcda}.breakdown-row span:last-child{font-weight:700;color:#fff;font-variant-numeric:tabular-nums}.summary-footer{display:flex;justify-content:space-between;padding:17px 0;color:#b6c4c0;font-size:11px}.summary-footer strong{color:#fff}.summary-cta{background:#1d2a2f;border-radius:11px;padding:13px;display:flex;flex-direction:column;gap:3px}.summary-cta strong{font-size:12px}.summary-cta span{color:#9da9a8;font-size:11px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 17px;border-radius:10px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s;z-index:50;font-size:12px}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:1020px){.layout{grid-template-columns:1fr}.summary-rail{order:-1}.summary-sticky{position:relative;top:0}.summary-sticky{padding:18px}.main-total strong{font-size:30px}.metric-grid{grid-template-columns:repeat(4,1fr)}.breakdown{display:none}.summary-footer{padding-bottom:0}}@media(max-width:640px){.topbar{height:62px}.topbar-meta{display:none}.app-shell{padding:0 13px 45px}.hero{padding:37px 4px 25px}.hero h1{font-size:34px}.hero p{font-size:14px}.hero-note{font-size:11px;align-items:flex-start}.card{padding:18px 15px;border-radius:14px}.section-heading{gap:10px;margin-bottom:18px}.section-heading h2{font-size:17px}.form-grid.two,.form-grid.three,.check-columns{grid-template-columns:1fr}.span-2{grid-column:auto}.mode-switch{grid-template-columns:1fr}.metric-grid{grid-template-columns:repeat(2,1fr);gap:10px}.action-bar{flex-direction:column;align-items:stretch}.button{justify-content:center}.formula-callout{display:block}.formula-callout span{display:block;margin-bottom:5px}}