:root{--indigo: #2b3a8f;--indigo-dark: #1e2a6b;--indigo-50: #eef1fb;--green: #1f9d6b;--green-dark: #157a52;--green-50: #e7f6ef;--red: #d64545;--ink: #1a1d2b;--ink-soft: #4b5066;--muted: #8b90a3;--line: #e7e8ef;--bg: #ffffff;--bg-soft: #f6f7fb;--radius: 14px;--radius-sm: 9px;--shadow: 0 1px 2px rgba(20, 25, 60, .04), 0 8px 24px rgba(20, 25, 60, .06);--shadow-sm: 0 1px 3px rgba(20, 25, 60, .08);--wrap: 1080px;--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--ink);background:var(--bg);font-feature-settings:"tnum" 1}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}a{color:var(--indigo);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.25;color:var(--ink);font-weight:700}h1{font-size:clamp(1.7rem,4vw,2.4rem);margin:0 0 .5em;letter-spacing:-.02em}h2{font-size:clamp(1.35rem,3vw,1.7rem);margin:1.8em 0 .6em;letter-spacing:-.01em}h3{font-size:1.18rem;margin:1.4em 0 .4em}.site-main{min-height:60vh}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--indigo);color:#fff;font-weight:600;font-size:1rem;padding:13px 24px;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s,transform .05s;font-family:inherit}.btn:hover{background:var(--indigo-dark);text-decoration:none}.btn:active{transform:translateY(1px)}.btn--green{background:var(--green)}.btn--green:hover{background:var(--green-dark)}.btn--ghost{background:transparent;color:var(--indigo);border:1.5px solid var(--line)}.btn--ghost:hover{background:var(--indigo-50);border-color:var(--indigo-50)}.site-header{position:sticky;top:0;z-index:50;background:#ffffffeb;backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:16px;height:62px}.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:1.2rem;color:var(--ink)}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:30px;height:30px;background:var(--indigo);color:#fff;border-radius:8px;font-size:1rem;font-weight:700}.brand-name{letter-spacing:-.01em}.brand--footer .brand-mark{background:#fff;color:var(--indigo)}.site-nav{display:flex;gap:4px;margin-left:auto}.nav-link{color:var(--ink-soft);font-weight:500;font-size:.97rem;padding:8px 13px;border-radius:8px}.nav-link:hover{background:var(--bg-soft);text-decoration:none}.nav-link.active{color:var(--indigo);background:var(--indigo-50)}.nav-toggle{display:none;margin-left:auto;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--ink);padding:4px 8px}@media(max-width:760px){.nav-toggle{display:block}.site-nav{display:none;position:absolute;top:62px;left:0;right:0;flex-direction:column;gap:2px;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 16px;box-shadow:var(--shadow)}.site-nav.open{display:flex}.nav-link{padding:11px 13px}}.hero{padding:48px 0 8px}.hero h1{max-width:16ch}.hero .lead{font-size:1.18rem;color:var(--ink-soft);max-width:56ch;margin:0 0 4px}.tool-grid{display:grid;gap:16px;margin:28px 0;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.tool-card{display:block;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .12s,box-shadow .12s,border-color .12s}.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d7d9e6;text-decoration:none}.tool-card .ic{font-size:1.7rem;margin-bottom:10px;display:block}.tool-card h3{margin:0 0 4px;font-size:1.12rem;color:var(--ink)}.tool-card p{margin:0;color:var(--ink-soft);font-size:.95rem}.tool-card.soon{opacity:.6}.tool-card .badge-soon{font-size:.72rem;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:1px 9px;margin-left:6px}.calc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:24px 0}@media(min-width:720px){.calc{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}}.calc-inputs{display:flex;flex-direction:column;gap:18px}.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:7px;color:var(--ink)}.field .row{display:flex;align-items:center;gap:10px}.field input[type=number],.field input[type=text],.field select{width:100%;padding:11px 13px;font-size:1.05rem;font-family:inherit;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--ink);font-feature-settings:"tnum" 1}.field input:focus,.field select:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px var(--indigo-50)}.field .suffix{color:var(--muted);font-size:.95rem;white-space:nowrap}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;background:var(--line);border-radius:6px;margin:12px 0 2px;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;background:var(--indigo);border:3px solid #fff;border-radius:50%;box-shadow:var(--shadow-sm);cursor:pointer}input[type=range]::-moz-range-thumb{width:22px;height:22px;background:var(--indigo);border:3px solid #fff;border-radius:50%;box-shadow:var(--shadow-sm);cursor:pointer}.range-scale{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted)}.calc-result{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}.result-main{text-align:center;padding-bottom:16px;border-bottom:1px dashed var(--line);margin-bottom:16px}.result-main .label{font-size:.9rem;color:var(--ink-soft)}.result-main .value{font-size:clamp(2rem,6vw,2.6rem);font-weight:800;color:var(--indigo);letter-spacing:-.02em}.result-rows{display:flex;flex-direction:column;gap:10px}.result-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:.98rem}.result-row .k{color:var(--ink-soft)}.result-row .v{font-weight:700}.result-row .v.green{color:var(--green-dark)}.result-row .v.red{color:var(--red)}.savings-box{margin-top:16px;background:var(--green-50);border:1px solid #c7e9d8;border-radius:var(--radius-sm);padding:14px 16px}.savings-box .t{font-weight:700;color:var(--green-dark);margin:0 0 6px;font-size:.95rem}.savings-box .result-row .v{color:var(--green-dark)}.schedule{margin-top:18px}.schedule summary{cursor:pointer;font-weight:600;color:var(--indigo);padding:6px 0}.table-scroll{overflow-x:auto;margin-top:10px}table.sched{width:100%;border-collapse:collapse;font-size:.9rem}table.sched th,table.sched td{text-align:right;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}table.sched th{color:var(--ink-soft);font-weight:600;text-align:right}table.sched th:first-child,table.sched td:first-child{text-align:left}table.sched tbody tr:hover{background:var(--bg-soft)}.prose{max-width:760px;margin:0 auto;padding:32px 0 56px}.prose.wide{max-width:var(--wrap)}.prose p,.prose ul,.prose ol{color:var(--ink)}.prose .lead{font-size:1.18rem;color:var(--ink-soft)}.prose ul,.prose ol{padding-left:1.3em}.prose li{margin:.35em 0}.prose img{max-width:100%;height:auto;border-radius:var(--radius)}.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--ink-soft)}.callout{background:var(--indigo-50);border-left:4px solid var(--indigo);border-radius:var(--radius-sm);padding:14px 18px;margin:20px 0;font-size:.97rem}.callout.warn{background:#fff4e8;border-left-color:#e08a2b}.formula{background:var(--ink);color:#e9ecff;border-radius:var(--radius-sm);padding:16px 18px;margin:18px 0;font-size:.98rem;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.formula b{color:#fff}.table-scroll table.compare{width:100%;border-collapse:collapse;font-size:.95rem;margin:18px 0}table.compare th,table.compare td{padding:11px 13px;border-bottom:1px solid var(--line);text-align:left}table.compare th{background:var(--bg-soft);font-weight:600}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.chip{background:var(--bg-soft);border:1px solid var(--line);border-radius:20px;padding:5px 13px;font-size:.88rem;color:var(--ink-soft)}.cta-box{background:linear-gradient(135deg,var(--indigo),var(--indigo-dark));color:#fff;border-radius:var(--radius);padding:26px 28px;margin:32px 0;text-align:center}.cta-box p{margin:0 0 16px;font-size:1.1rem}.cta-box .btn{background:#fff;color:var(--indigo)}.cta-box .btn:hover{background:var(--indigo-50)}.related{margin:36px 0;padding:22px;background:var(--bg-soft);border-radius:var(--radius)}.related h2{margin-top:0;font-size:1.2rem}.related ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.related a{font-weight:500}.faq{margin:36px 0}.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:10px;background:#fff}.faq-item summary{cursor:pointer;padding:15px 18px;font-weight:600;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:18px;color:var(--indigo);font-size:1.3rem;font-weight:400}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 18px 16px;color:var(--ink-soft)}.ad-slot{margin:28px 0;min-height:90px}.site-footer{background:var(--indigo-dark);color:#c8cdf0;margin-top:56px}.footer-inner{display:grid;gap:28px;padding:40px 20px 32px}@media(min-width:720px){.footer-inner{grid-template-columns:1.2fr 1fr 1.4fr}}.site-footer .brand-name{color:#fff}.footer-tagline{color:#aab1e6;font-size:.95rem;margin:10px 0 0}.footer-nav{display:flex;flex-direction:column;gap:8px}.footer-nav a,.footer-legal a{color:#c8cdf0;font-size:.95rem}.footer-nav a:hover,.footer-legal a:hover{color:#fff}.footer-legal{display:flex;flex-direction:column;gap:8px}.footer-disclaimer{color:#8e95cf;font-size:.82rem;margin:12px 0 0;line-height:1.5}.footer-copy{color:#8e95cf;font-size:.85rem;margin:6px 0 0}.consent{position:fixed;bottom:16px;left:16px;right:16px;z-index:100;max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;display:flex;gap:14px;align-items:center}.consent-text{margin:0;font-size:.88rem;color:var(--ink-soft)}.consent-btn{white-space:nowrap;padding:9px 18px}@media(max-width:560px){.consent{flex-direction:column;align-items:stretch}}.muted{color:var(--muted)}.center{text-align:center}