:root{color-scheme:light;--bg:#f8f8f8;--panel:#fff;--text:#142033;--muted:#57657d;--primary:#e8631a;--primary-dark:#c4511a;--success:#dff7e8;--success-text:#0d6b33;--danger:#fde8e8;--danger-text:#9d2020;--border:#d7dfeb;--shadow:0 20px 45px rgba(20,32,51,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:League Spartan,Arial,sans-serif;background:linear-gradient(180deg,#f8f8f8 0,var(--bg) 100%);color:var(--text)}a{color:inherit;text-decoration:none}.page{max-width:1200px;margin:0 auto;padding:32px 20px 64px}.calculator-shell,.content-grid,.hero{display:grid;grid-gap:24px;gap:24px}.hero{grid-template-columns:1.4fr 1fr;align-items:center;padding:40px 0 16px}.hero h1{font-size:clamp(2.3rem,5vw,4.3rem);line-height:1.05;margin:0 0 16px}.eyebrow{color:#e8631a;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.lead{font-size:1.1rem;color:var(--muted);max-width:58ch}.cta-row{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}.button{padding:13px 18px;border-radius:999px;font-weight:700}.primary{background:#e8631a;color:#fff}.secondary{background:#fff}.panel,.secondary{border:1px solid var(--border)}.panel{background:var(--panel);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.hero-card ul{padding-left:18px;margin:0;color:var(--muted)}.calculator-shell{grid-template-columns:1.2fr .9fr;margin:20px 0 24px}.grid.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}label{display:grid;grid-gap:8px;gap:8px;font-size:.95rem}label span{font-weight:700}input,select,textarea{width:100%;padding:12px 14px;border-radius:14px;border:1px solid var(--border);background:#fbfdff;font:inherit;color:inherit}textarea{min-height:100px;resize:vertical}.full{grid-column:1/-1}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.check-card,.metric-card{border-radius:18px;padding:18px;border:1px solid var(--border);display:grid;grid-gap:8px;gap:8px;background:#f9fbfe}.check-card span,.metric-card span{color:var(--muted)}.check-card.pass{background:var(--success);color:var(--success-text);border-color:transparent}.check-card.fail{background:var(--danger);color:var(--danger-text);border-color:transparent}.check-card.placeholder{grid-column:1/-1}.content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.faq-list details{border-top:1px solid var(--border);padding:16px 0}.faq-list details:first-child{border-top:0;padding-top:0}.faq-list summary{font-weight:700;cursor:pointer}.faq-list p,.panel p,.result-panel p,li{color:var(--muted);line-height:1.6}.workings{margin:4px 0 0;font-size:.82rem;color:var(--muted);line-height:1.5;border-top:1px solid var(--border);padding-top:8px}.check-card.pass .workings{border-color:rgba(13,107,51,.2);color:var(--success-text);opacity:.85}.check-card.fail .workings{border-color:rgba(157,32,32,.2);color:var(--danger-text);opacity:.85}.workings-note{font-style:italic;opacity:.8}.assumptions-panel{margin:0 0 24px}.assumptions-panel h2{margin:0 0 20px}.assumptions-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:20px;gap:20px}.assumption-block h3{font-size:.95rem;margin:0 0 10px;color:var(--text)}.assumption-block ul{margin:0;padding-left:18px}.assumption-block li{font-size:.9rem;margin-bottom:6px}.warning-block{background:#fffbea;border:1px solid #f0c040;border-radius:16px;padding:18px}.warning-block h3{color:#7a5200}.warning-block p{color:#5c3d00;font-size:.9rem;margin:0;line-height:1.6}@media (max-width:720px){.assumptions-grid{grid-template-columns:1fr}}.site-nav{display:flex;align-items:center;gap:8px;padding:0 0 28px;flex-wrap:wrap}.nav-brand{font-weight:800;font-size:1.1rem;color:var(--text);margin-right:12px;white-space:nowrap}.nav-brand-eoc{color:var(--primary)}.nav-brand{margin-right:16px}.nav-logo-full{height:52px;width:auto;display:block}.nav-links{display:flex;gap:6px;flex-wrap:wrap}.nav-link{padding:7px 14px;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--muted);border:1px solid transparent;transition:all .15s}.nav-link:hover{background:#fff1ea;color:#e8631a}.nav-link.active{background:#e8631a;color:#fff;border-color:#e8631a}.hero-slim{grid-template-columns:1fr;padding:20px 0 8px}.hero-slim h1{font-size:clamp(1.8rem,4vw,3rem);margin:0 0 12px}.tools-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:20px;gap:20px;margin:8px 0 24px}.tool-card{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--text);transition:box-shadow .15s,transform .15s}.tool-card:hover{box-shadow:0 24px 56px rgba(20,32,51,.13);transform:translateY(-2px)}.tool-card h2{margin:0;font-size:1.15rem;color:#e8631a}.tool-card p{margin:0;font-size:.92rem;color:var(--muted);line-height:1.55}.tool-tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:4px 0 0}.tool-tags li{font-size:.78rem;background:#fff1ea;color:#e8631a;border-radius:999px;padding:3px 10px;font-weight:600}.tool-link{font-size:.9rem;font-weight:700;color:#e8631a;margin-top:auto}.calculator-shell.single-col{grid-template-columns:1fr}.lead-capture{margin:0 0 24px;background:linear-gradient(135deg,#c4511a 0,var(--primary) 100%);border-color:transparent;color:#fff}.lead-capture-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.lead-capture .eyebrow{color:hsla(0,0%,100%,.7)}.lead-capture h2{color:#fff;margin:6px 0 8px;font-size:1.4rem}.lead-capture p{color:hsla(0,0%,100%,.85);margin:0;max-width:55ch}.lead-cta{background:#fff;color:var(--primary);white-space:nowrap;flex-shrink:0;font-size:1rem;padding:14px 24px}.lead-cta:hover{background:#fff1ea}.mode-toggle-wrap{margin:0 0 28px}.mode-toggle{display:inline-flex;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:4px;gap:4px}.mode-toggle-btn{padding:9px 22px;border-radius:999px;border:none;cursor:pointer;font:inherit;font-weight:700;font-size:.92rem;background:transparent;color:var(--muted);transition:all .15s}.mode-toggle-btn.active{background:#e8631a;color:#fff;box-shadow:0 2px 8px rgba(232,99,26,.25)}.mode-toggle-btn:hover:not(.active){color:var(--primary);background:#fff1ea}.mode-desc{margin:10px 0 0;font-size:.92rem;color:var(--muted)}.simple-calc{display:flex;flex-direction:column;gap:20px;margin:20px 0 24px}.simple-step-heading{display:flex;align-items:center;gap:12px;margin:0 0 6px;font-size:1.2rem}.step-num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#e8631a;color:#fff;font-size:.82rem;font-weight:800;flex-shrink:0}.simple-step-hint{margin:0 0 16px;font-size:.92rem;color:var(--muted)}.appliance-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));grid-gap:10px;gap:10px}.appliance-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 10px;border:2px solid var(--border);border-radius:16px;background:#f9fbfe;cursor:pointer;text-align:center;transition:all .15s;font:inherit;color:var(--text)}.appliance-card:hover{border-color:var(--primary);background:#fff1ea;transform:translateY(-1px)}.appliance-card.selected{border-color:var(--primary);background:#fde8d8;box-shadow:0 0 0 3px rgba(232,99,26,.12)}.appliance-icon{font-size:1.8rem;line-height:1}.appliance-name{font-size:.82rem;font-weight:700;line-height:1.3}.appliance-load{font-size:.75rem;color:var(--muted)}.simple-questions{display:flex;flex-direction:column;gap:24px}.simple-q-label{display:flex;align-items:flex-start;gap:10px;font-size:1rem;font-weight:600;margin:0 0 12px;line-height:1.4;color:var(--text)}.option-row{display:flex;gap:8px;flex-wrap:wrap}.option-btn{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:12px 16px;border:2px solid var(--border);border-radius:14px;background:#f9fbfe;cursor:pointer;font:inherit;color:var(--text);text-align:left;transition:all .15s;min-width:140px}.option-btn:hover:not(.selected){border-color:var(--primary);background:#fff1ea}.option-btn.selected{border-color:var(--primary);background:#fde8d8;color:var(--primary-dark);box-shadow:0 0 0 2px rgba(232,99,26,.12)}.opt-label{font-weight:700;font-size:.9rem}.opt-hint{font-size:.78rem;color:var(--muted)}.option-btn.selected .opt-hint{color:var(--primary);opacity:.8}.result-eyebrow{color:var(--primary);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;margin:0 0 10px}.result-headline{font-size:1.25rem;font-weight:500;color:var(--text);margin:0 0 20px;line-height:1.5}.result-cable-size{font-size:1.5rem;color:var(--primary)}.result-checks{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 20px}.simple-check{padding:7px 16px;border-radius:999px;font-size:.85rem;font-weight:600}.simple-check.pass{background:var(--success);color:var(--success-text)}.simple-check.warn{background:var(--danger);color:var(--danger-text)}.simple-note-box{background:#fffbea;border:1px solid #f0c040;border-radius:12px;padding:12px 16px;font-size:.88rem;color:#5c3d00;margin:0 0 16px;line-height:1.5}.working-detail{border:1px solid var(--border);border-radius:14px;overflow:hidden;margin:0 0 16px}.working-detail summary{padding:12px 16px;cursor:pointer;font-weight:700;font-size:.9rem;background:#f9fbfe;-webkit-user-select:none;-moz-user-select:none;user-select:none;list-style:none;color:var(--text)}.working-detail summary::-webkit-details-marker{display:none}.working-detail summary:before{content:"▶  ";font-size:.65rem;color:var(--muted)}.working-detail[open] summary:before{content:"▼  "}.working-body{padding:16px;border-top:1px solid var(--border);display:flex;flex-direction:column}.working-body .workings{border-top:none;padding-top:0;margin:6px 0}.simple-disclaimer{font-size:.82rem;color:var(--muted);margin:0;line-height:1.5;border-top:1px solid var(--border);padding-top:16px}@media (max-width:960px){.calculator-shell,.content-grid,.hero,.tools-grid{grid-template-columns:1fr}}@media (max-width:720px){.grid.two-col,.result-grid{grid-template-columns:1fr}.page{padding-inline:14px}.lead-capture-inner{flex-direction:column;align-items:flex-start}.assumptions-grid{grid-template-columns:1fr}.appliance-grid{grid-template-columns:repeat(3,1fr)}.option-row{flex-direction:column}.option-btn{min-width:0;width:100%}}@media (max-width:400px){.appliance-grid{grid-template-columns:repeat(2,1fr)}}