:root{--bg: #ffffff;--surface: #f8f8f6;--accent: #1a6ef5;--success: #16a34a;--text: #111110;--muted: #6b7280;--line: #e5e7eb;--radius: 12px;--shadow: 0 18px 55px rgba(17, 17, 16, .08);--font-heading: "Plus Jakarta Sans", system-ui, sans-serif;--font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.6}a{color:inherit;text-decoration:none}.page{min-height:100vh}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.topbar{position:sticky;top:0;z-index:10;background:#fffffff0;border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;flex-direction:column;gap:2px}.logo{font-family:var(--font-heading);font-size:1.35rem;font-weight:800;line-height:1}.tagline{color:var(--muted);font-size:.86rem;font-weight:500}.nav-links{display:none;align-items:center;gap:22px;color:var(--muted);font-size:.94rem;font-weight:600}.hero{padding:38px 0 18px}.hero-grid{display:grid;gap:24px}.eyebrow{color:var(--accent);font-size:.85rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,h3{margin:0;color:var(--text);font-family:var(--font-heading);letter-spacing:0;line-height:1.12}h1{margin-top:10px;font-size:clamp(2.3rem,9vw,4.7rem);font-weight:800}.hero p{max-width:760px;margin:16px 0 0;color:var(--muted);font-size:1.05rem}.section{padding:22px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}.section-heading p{max-width:650px;margin:8px 0 0;color:var(--muted)}.calculator-layout{display:grid;gap:18px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.calculator-card{padding:18px}.form-grid{display:grid;gap:18px}.field{display:grid;gap:10px}.field-head{display:flex;align-items:center;justify-content:space-between;gap:12px}label{color:var(--text);font-weight:800;font-size:.98rem}.hint{color:var(--muted);font-size:.85rem;font-weight:600}.control-row{display:grid;gap:10px}input,select,button{font:inherit}input[type=number],select{width:100%;min-height:48px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--text);padding:0 14px;font-weight:700;outline:none;transition:border-color .16s ease,box-shadow .16s ease}input[type=number]:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px #1a6ef51f}input[type=range]{width:100%;height:8px;appearance:none;border-radius:999px;background:#e6e8ec;outline:none}input[type=range]::-webkit-slider-thumb{width:22px;height:22px;appearance:none;border:3px solid #ffffff;border-radius:999px;background:var(--accent);box-shadow:0 4px 14px #1a6ef552;cursor:pointer}input[type=range]::-moz-range-thumb{width:18px;height:18px;border:3px solid #ffffff;border-radius:999px;background:var(--accent);box-shadow:0 4px 14px #1a6ef552;cursor:pointer}.toggle{display:grid;grid-template-columns:1fr 1fr;width:174px;min-height:42px;padding:4px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.toggle button{border:0;border-radius:9px;background:transparent;color:var(--muted);cursor:pointer;font-weight:800}.toggle button.active{background:var(--accent);color:#fff}.results-panel{padding:18px}.metrics{display:grid;gap:12px;margin-bottom:18px}.metric-card{min-height:104px;display:grid;align-content:center;gap:6px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.metric-card.primary{border-color:#1a6ef559;background:#f7faff}.metric-label{color:var(--muted);font-size:.86rem;font-weight:800}.metric-value{color:var(--text);font-family:var(--font-heading);font-size:clamp(1.1rem,4vw,1.45rem);font-weight:800;line-height:1.1;overflow-wrap:anywhere}.metric-card.primary .metric-value{color:var(--accent);font-size:clamp(1.4rem,6vw,2rem)}.chart-wrap{display:grid;justify-items:center;gap:12px;padding:8px 0 0}.chart-box{width:min(280px,100%);aspect-ratio:1}.legend{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 18px;color:var(--muted);font-size:.9rem;font-weight:700}.legend span{display:inline-flex;align-items:center;gap:8px}.dot{width:10px;height:10px;border-radius:999px;background:var(--accent)}.dot.green{background:var(--success)}.table-panel{padding:18px;overflow:hidden}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:#fff}table{width:100%;min-width:720px;border-collapse:collapse}th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}th:first-child,td:first-child{text-align:left}th{background:#fbfbfa;color:var(--muted);font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:0}td{color:var(--text);font-weight:700}tbody tr:last-child td{border-bottom:0}.table-actions{display:flex;justify-content:center;margin-top:14px}.action-button{min-height:46px;border:1px solid var(--accent);border-radius:var(--radius);background:#fff;color:var(--accent);cursor:pointer;padding:0 18px;font-weight:800}.action-button:hover{background:#f3f8ff}.faq-list,.aio-grid{display:grid;gap:12px}.aio-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:18px}.aio-card h3{font-size:1.02rem;font-weight:800}.aio-card p{margin:9px 0 0;color:var(--muted)}.summary-list{margin:12px 0 0;padding-left:20px;color:var(--muted)}.summary-list li+li{margin-top:7px}.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:18px}.faq-item h3{font-size:1.02rem;font-weight:800}.faq-item p{margin:9px 0 0;color:var(--muted)}footer{margin-top:28px;padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem}.footer-content{display:flex;flex-direction:column;gap:8px}@media(max-width:520px){.container{width:min(100% - 24px,1120px)}.nav{min-height:64px}.logo{font-size:1.2rem}.tagline{font-size:.78rem}.hero{padding:30px 0 14px}h1{font-size:clamp(2rem,13vw,3.1rem)}h2{font-size:1.35rem}.section{padding:18px 0}.section-heading,.field-head{align-items:start;flex-direction:column}.toggle{width:100%}.calculator-card,.results-panel,.table-panel{padding:14px}.metric-card{min-height:88px;padding:14px}.chart-box{width:min(260px,100%)}table{min-width:650px}th,td{padding:12px 14px}.aio-card,.faq-item{padding:16px}}@media(min-width:640px){.metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.aio-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:820px){.nav-links{display:flex;gap:18px;font-size:.9rem}.hero{padding-top:58px}.calculator-card,.results-panel,.table-panel{padding:24px}.control-row{grid-template-columns:minmax(0,1fr) 190px;align-items:center}}@media(min-width:980px){.calculator-layout{grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);align-items:start}.aio-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.results-panel{position:sticky;top:90px}}