:root{--bg:#f5f7f4;--surface:#fff;--ink:#172018;--muted:#5e695f;--line:#dce3dc;--accent:#1f6b45;--accent-dark:#154a30;--soft:#e8f2ec;--warn:#8a5b12;--danger:#8a2f2f;--shadow:0 18px 50px #17201814}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.6}a{color:inherit}.shell{width:min(1120px,100% - 32px);margin:0 auto}.skip-link{z-index:100;background:var(--ink);color:#fff;border-radius:8px;padding:10px 14px;position:fixed;top:-80px;left:16px}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid var(--line);z-index:10;background:#fffffff0;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:68px;display:flex}.brand{letter-spacing:-.02em;font-size:1.18rem;font-weight:800;text-decoration:none}.primary-nav{align-items:center;gap:18px;font-size:.92rem;display:flex}.primary-nav a{color:var(--muted);font-weight:700;text-decoration:none}.primary-nav a:hover,.primary-nav a:focus-visible{color:var(--accent-dark);text-underline-offset:4px;text-decoration:underline}.tagline{color:var(--muted);font-size:.92rem}.hero{background:linear-gradient(180deg, #edf5ef 0%, var(--bg) 100%);padding:84px 0 66px}.compact-hero{padding:60px 0 48px}.hero-inner{max-width:850px}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px;font-size:.76rem;font-weight:800}h1,h2,h3{letter-spacing:-.035em;line-height:1.12}h1{max-width:900px;margin:0;font-size:clamp(2.55rem,6vw,5.2rem)}h2{margin:0 0 18px;font-size:clamp(1.8rem,3vw,2.75rem)}h3{margin:0 0 10px;font-size:1.2rem}.hero-copy,.lead{color:var(--muted);max-width:760px;margin:24px 0;font-size:1.18rem}.primary-link{background:var(--accent);color:#fff;border-radius:10px;padding:13px 18px;font-weight:800;text-decoration:none;display:inline-block}.primary-link:hover{background:var(--accent-dark)}.content-shell{padding:34px 0 72px}.ad-slot-reserved{min-height:0;margin:0}.calculator-card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:clamp(22px,4vw,42px);scroll-margin-top:94px}.calculator-heading{max-width:720px}.calculator-heading>p:last-child{color:var(--muted)}.calculator-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:28px;display:grid}label{font-size:.92rem;font-weight:750}input,select{width:100%;color:var(--ink);font:inherit;background:#fff;border:1px solid #bfc8c0;border-radius:9px;margin-top:7px;padding:12px 13px}input:focus,select:focus{border-color:var(--accent);outline:3px solid #1f6b4526}a:focus-visible,button:focus-visible,summary:focus-visible{outline-offset:3px;border-radius:4px;outline:3px solid #1f6b4540}.result{background:var(--soft);border:1px solid #cce0d2;border-radius:14px;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:28px;padding:20px;display:grid}.result>div{flex-direction:column;display:flex}.result-label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.78rem;font-weight:800}.result strong{font-size:1.65rem}.result-borderline{background:#fff8e9;border-color:#ead8af}.result-replace{background:#fff0f0;border-color:#e5c5c5}.result-notes{gap:4px;margin:22px 0;display:grid}.result-notes p{margin:0}.reason-list{border:1px solid var(--line);background:#f7f9f6;border-radius:12px;margin:0 0 22px;padding:18px 20px}.reason-list ul{margin:8px 0 0;padding-left:20px}.reason-list li+li{margin-top:5px}.cost-breakdown{border:1px solid var(--line);border-radius:12px;margin:22px 0;overflow:hidden}.cost-breakdown>div{background:#f9faf8;justify-content:space-between;gap:20px;padding:12px 16px;display:flex}.cost-breakdown>div+div{border-top:1px solid var(--line)}.cost-breakdown span{color:var(--muted)}.example-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px;display:grid}.example-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}.example-card p{color:var(--muted);margin-bottom:0}.example-note{margin-top:18px;font-size:.95rem}details{border-top:1px solid var(--line);padding-top:17px}summary{cursor:pointer;font-weight:800}.content-section{max-width:900px;padding:70px 0 18px}.content-section>p:not(.eyebrow){color:var(--muted);font-size:1.04rem}.tool-grid,.link-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px;display:grid}.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}.tool-card p{color:var(--muted);margin:0}.linked-card{text-decoration:none;transition:transform .15s,border-color .15s,box-shadow .15s;display:block}.linked-card:hover{border-color:#b7c9bc;transform:translateY(-2px);box-shadow:0 10px 28px #1720180f}.two-column-copy{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;max-width:none;display:grid}.two-column-copy h2{font-size:clamp(1.45rem,2.2vw,2.05rem)}.two-column-copy ul{color:var(--muted);padding-left:20px}.faq-list{gap:12px;margin-top:24px;display:grid}.faq-list details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:17px 18px}.faq-list p{color:var(--muted);margin-bottom:0}.methodology{border-top:1px solid var(--line);margin-top:46px}.prose-page{max-width:820px;padding-top:72px;padding-bottom:90px}.tools-page{max-width:980px}.prose-page h1{margin-bottom:22px;font-size:clamp(2.4rem,5vw,4.4rem)}.prose-page h2{margin-top:46px;font-size:clamp(1.5rem,3vw,2.15rem)}.prose-page p,.prose-page li{color:var(--muted);font-size:1.04rem}.prose-page li+li{margin-top:8px}.site-footer{border-top:1px solid var(--line);background:#eef1ed}.footer-inner{justify-content:space-between;align-items:flex-start;gap:32px;padding:28px 0 42px;display:flex}.footer-inner p{color:var(--muted);max-width:690px;margin:6px 0 0;font-size:.9rem}.footer-links{flex-wrap:wrap;gap:14px;font-size:.9rem;display:flex}.footer-links a{color:var(--muted)}@media (max-width:700px){input,select{min-height:44px;font-size:16px}.primary-link,.primary-nav a,.footer-links a{align-items:center;min-height:44px;display:inline-flex}.header-inner{gap:12px;min-height:64px}.primary-nav{gap:12px;font-size:.86rem}.primary-nav a:nth-child(2){display:none}.hero{padding:58px 0 44px}.compact-hero{padding:46px 0 34px}.calculator-grid,.result,.tool-grid,.link-grid,.two-column-copy,.example-grid{grid-template-columns:1fr}.content-section{padding-top:52px}.footer-inner{flex-direction:column}}@media (max-width:420px){.shell{width:min(100% - 24px,1120px)}.brand{font-size:1rem}.primary-nav{gap:8px}.primary-nav a{font-size:.8rem}.calculator-card{border-radius:14px}.result strong{font-size:1.4rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.linked-card{transition:none}}