:root{--bg:#0f1115;--panel:#171a21;--panel-2:#1d212a;--line:#2a2f3a;--ink:#e7e9ee;--ink-dim:#a2a9b6;--ink-faint:#707684;--accent:#4ea1ff;--accent-ink:#07101c;--ok:#43c98a;--warn:#f0b443;--bad:#f06a5d;--radius:12px;--maxw:1040px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}main{max-width:var(--maxw);margin:0 auto;padding:clamp(16px,4vw,36px)}a{color:var(--accent)}.hero{padding:8px 0 22px}.eyebrow{margin:0 0 10px;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint)}.hero h1{margin:0 0 12px;font-size:clamp(26px,5vw,40px);line-height:1.12;letter-spacing:-.02em}.lede{margin:0;max-width:60ch;color:var(--ink-dim);font-size:clamp(15px,2.4vw,17px)}.calc{display:grid;grid-gap:16px;gap:16px;grid-template-columns:320px 1fr;align-items:start}@media (max-width:760px){.calc{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.inputs{position:-webkit-sticky;position:sticky;top:16px;display:grid;grid-gap:16px;gap:16px}@media (max-width:760px){.inputs{position:static}}.field{display:grid;grid-gap:7px;gap:7px}.field>span{font-size:13.5px;color:var(--ink-dim);display:flex;justify-content:space-between;align-items:baseline}.field em{font-style:normal;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-faint)}.with-unit{position:relative;display:flex;align-items:center}.with-unit .unit{position:absolute;right:12px;color:var(--ink-faint);font-size:14px;pointer-events:none}input{width:100%;padding:11px 38px 11px 12px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px;color:var(--ink);font-size:16px}input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}.seg{display:flex;gap:4px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:4px}.seg button{flex:1 1;padding:8px 6px;border:0;border-radius:6px;background:transparent;color:var(--ink-dim);font-size:13.5px;cursor:pointer;transition:background .12s,color .12s}.seg button:hover{color:var(--ink)}.seg button.on{background:var(--accent);color:var(--accent-ink);font-weight:600}.results{min-height:280px}.hint{color:var(--ink-dim);margin:6px 0}.tier-row{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px}@media (max-width:480px){.tier-row{grid-template-columns:1fr}}.tier{display:grid;grid-gap:3px;gap:3px;text-align:left;padding:14px;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;cursor:pointer;color:var(--ink);transition:border-color .12s,background .12s,transform .06s}.tier:hover{border-color:#3a4150}.tier:active{transform:translateY(1px)}.tier.active{border-color:var(--accent);background:#182536;box-shadow:inset 0 0 0 1px var(--accent)}.tier-name{font-weight:600;font-size:14px}.tier-sub{font-size:12px;color:var(--ink-faint)}.tier-size{font-size:30px;font-weight:700;letter-spacing:-.02em;margin-top:2px}.cta{margin-top:8px;font-size:12.5px;color:var(--accent);text-decoration:none;font-weight:500}.cta:hover{text-decoration:underline}.range-note{margin:16px 0 4px;color:var(--ink-dim);font-size:14px}.range-note strong{color:var(--ink)}.viz-wrap{margin:14px 0 6px;background:linear-gradient(180deg,#12151c,#0d1014);border:1px solid var(--line);border-radius:10px;padding:14px}.viz{width:100%;height:auto;display:block}.viz-wall{fill:#20242e;stroke:#333a47}.viz-floor-fill{fill:#161a21;stroke:#2a303b}.viz-grid{stroke:#262c36}.viz-tv{fill:#0a0c10;stroke:var(--accent)}.viz-tv-label{fill:var(--accent);font-weight:700;font-family:inherit}.viz-note{fill:var(--ink-dim);font-family:inherit}.viz-shadow{fill:#000;opacity:.28}.viz-person-body{fill:#6f7686}.viz-person-head{fill:#cdb7a0}.viz-sofa-back{fill:#4a5263}.viz-sofa-arm{fill:#3c4350}.viz-sofa-base{fill:#2f3540}.viz-sofa-foot{fill:#20242c}.viz-sofa-seam{stroke:#353c49}.viz-dim{stroke:var(--accent);fill:none}.viz-dim-bg{fill:#0d1014;stroke:var(--accent);stroke-width:.4}.viz-dim-label{fill:var(--accent);font-family:inherit;font-weight:600}.checks{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-gap:8px;gap:8px}.checks li{position:relative;padding:10px 12px 10px 34px;border-radius:9px;font-size:13.5px;background:var(--panel-2);border:1px solid var(--line);color:var(--ink-dim)}.checks li:before{position:absolute;left:12px;top:10px;font-weight:700}.checks li.ok:before{content:"✓";color:var(--ok)}.checks li.warn:before{content:"!";color:var(--warn)}.checks li.bad:before{content:"✕";color:var(--bad)}.checks li.ok{color:var(--ink)}.checks li.warn{border-color:#4a3d1c}.checks li.bad{border-color:#4d2723;color:var(--ink)}.checks li.hint-li{padding-left:12px}.checks li.hint-li:before{content:""}.content{margin-top:44px;max-width:72ch}.content h2{font-size:clamp(20px,3.4vw,26px);letter-spacing:-.01em;margin:36px 0 12px}.content li,.content p{color:var(--ink-dim)}.content strong{color:var(--ink)}.content ul{padding-left:20px}.content li{margin:6px 0}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}table{width:100%;border-collapse:collapse;font-size:14px}td,th{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}th{color:var(--ink-faint);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}td{color:var(--ink)}td.hl{color:var(--accent);font-weight:600}tbody tr:last-child td{border-bottom:0}.faq{margin:0}.faq dt{font-weight:600;margin-top:18px;color:var(--ink)}.faq dd{margin:6px 0 0;color:var(--ink-dim)}.site-foot{margin:48px 0 8px;padding-top:18px;border-top:1px solid var(--line);color:var(--ink-faint);font-size:12.5px}