:root{color-scheme:light;--bg:#f8f7f4;--paper:#fffefd;--ink:#212725;--muted:#67716d;--soft:#e9ede9;--line:#dfe5df;--green:#23483f;--green2:#365d50;--gold:#dfaf68;--light:#e8ecdf;--shadow:0 18px 65px rgba(22,42,34,.07);font-family:Inter,ui-sans-serif,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}a{color:inherit}button,input,select{font:inherit}button{cursor:pointer}.skip{position:absolute;top:-100px;left:12px;padding:12px;background:#fff;z-index:20}.skip:focus{top:12px}.container{max-width:1180px;padding:0 28px;margin:auto}header{background:rgba(248,247,244,.94);border-bottom:1px solid #e8e7e0;position:sticky;top:0;z-index:12;backdrop-filter:blur(18px)}header>.container{min-height:83px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;gap:12px;align-items:center;text-decoration:none;font-size:22px;font-weight:800;letter-spacing:-1px;color:var(--green)}.brandmark{height:41px;width:41px;border-radius:13px;background:var(--green);display:flex;align-items:center;justify-content:center;color:#ffdf9e;box-shadow:0 5px 12px #24463c24}.brandmark svg{width:27px;height:27px}.brand span span{color:#92723d}nav{display:flex;gap:25px;align-items:center}nav a{text-decoration:none;color:#4b5c55;font-size:14px;font-weight:650}nav a:hover,nav a[aria-current=page]{color:var(--green);text-decoration:underline;text-underline-offset:7px}.header-cta{display:inline-flex;align-items:center;gap:8px;background:var(--green);padding:12px 18px;color:#fff;border-radius:100px;text-decoration:none;font-size:13px;font-weight:750;white-space:nowrap}.header-cta:hover,.btn.primary:hover{background:#16352e}.menu-toggle{display:none}main{min-height:68vh}.eyebrow{font-size:11px;font-weight:850;letter-spacing:.15em;text-transform:uppercase;color:#4e7361;margin:0 0 20px}.eyebrow:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:#be9b60;margin-right:8px}.hero{display:grid;grid-template-columns:1.18fr .82fr;gap:55px;align-items:center;padding-top:80px;padding-bottom:82px}.hero h1{font-size:clamp(44px,5.3vw,76px);letter-spacing:-.075em;line-height:1.07;max-width:720px;font-weight:780;margin:0 0 23px}.hero h1 em{font-family:Georgia,serif;font-weight:400;color:#9d8153}.lead{font-size:18px;line-height:1.7;color:#66736c;max-width:610px;margin:0 0 33px}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.btn{padding:15px 24px;display:inline-flex;gap:12px;align-items:center;justify-content:center;border-radius:12px;text-decoration:none;font-weight:750;font-size:14px;min-height:50px;border:1px solid var(--line);background:var(--paper);color:var(--green)}.btn.primary{background:var(--green);border-color:var(--green);color:#fff}.btn:hover{transform:translateY(-1px)}.microcopy{font-size:12px;margin:15px 0 0;color:#6c746d}.hero-art{min-height:460px;border-radius:28px;position:relative;background:radial-gradient(circle at 50% 16%,#fff7dd 0,#e6decb 22%,#c3c9b8 44%,#466458 75%,#1d3e35 100%);overflow:hidden;box-shadow:var(--shadow)}.art-glow{position:absolute;left:25%;top:14%;width:50%;height:57%;border-radius:50%;background:radial-gradient(ellipse,#ffeeadcb,#fce9a04a 32%,transparent 72%);filter:blur(11px)}.art-cable{height:27%;width:3px;background:#1b302c;position:absolute;top:0;left:50%}.art-shade{position:absolute;top:25%;left:calc(50% - 76px);width:152px;height:81px;border-radius:78px 78px 11px 11px;background:linear-gradient(155deg,#e7d9c1,#b49c76);box-shadow:inset -12px -14px 22px #6c5b4544}.art-shade:after{content:"";position:absolute;top:72px;left:0;width:152px;height:18px;border-radius:50%;background:#ecd2a0;box-shadow:0 28px 38px 18px #ffe29b88}.art-plane{position:absolute;bottom:0;left:0;width:100%;height:29%;background:linear-gradient(145deg,#273f36,#1d352e);clip-path:polygon(0 28%,100% 0,100% 100%,0 100%)}.art-chair{position:absolute;bottom:8%;right:14%;width:36%;height:21%;border-radius:38% 38% 10% 10%;background:linear-gradient(150deg,#a7a697,#5e7268);box-shadow:-18px 8px 28px #0003}.art-caption{position:absolute;left:23px;bottom:25px;background:#ffffffe0;padding:14px 17px;border-radius:14px;box-shadow:var(--shadow);font-size:12px;color:#52635d;line-height:1.5;backdrop-filter:blur(8px)}.art-caption strong{display:block;color:#2c4b3f;font-size:20px}.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f1f3ee}.strip .container{display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:92px}.strip span{font-size:13px;font-weight:650;color:#526258}.strip b{font-size:14px;color:var(--green)}.section{padding:85px 0}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:31px}.section h2,.article h2,.box-heading{font-size:clamp(30px,3.4vw,47px);letter-spacing:-.055em;line-height:1.13;margin:0}.section-head p{max-width:470px;color:var(--muted);line-height:1.65;margin:0}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.room{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;display:flex;flex-direction:column;gap:13px;min-height:265px;text-decoration:none;transition:transform .2s,box-shadow .2s}.room:hover,.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.room .num{color:#ae9162;font-weight:800;font-size:12px;letter-spacing:.14em}.room-icon{width:49px;height:49px;border-radius:14px;background:#eef1e8;display:flex;align-items:center;justify-content:center;font-size:22px;color:#325747}.room h3{font-size:23px;margin:0;letter-spacing:-.04em}.room p{color:#64716a;font-size:14px;line-height:1.6;margin:0}.room .arrow{margin-top:auto;color:var(--green);font-weight:800;font-size:13px}.section-alt{background:#ebeee7}.tool-layout{display:grid;grid-template-columns:1.1fr .9fr;align-items:stretch;gap:24px}.panel{background:#fff;border:1px solid #dfe5dd;border-radius:22px;padding:29px;box-shadow:0 6px 35px #21413308}.panel h3{margin:0 0 7px;font-size:22px;letter-spacing:-.035em}.muted{color:var(--muted);line-height:1.7}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.field{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:730;color:#3b5346}.field.wide{grid-column:1/-1}input,select{background:#fbfcf8;border:1px solid #cdd9d0;min-height:49px;border-radius:10px;padding:12px 13px;color:#243a30;font-size:15px;width:100%}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #e6b968;outline-offset:3px}.submit{width:100%;margin-top:20px}.result-shell{border:1px solid #d3dbce;background:linear-gradient(145deg,#e1e9df,#fbfcf7);border-radius:22px;display:flex;flex-direction:column;padding:34px;justify-content:center}.result-empty{color:#466353;line-height:1.8}.result-head{font-weight:800;color:var(--green);font-size:14px}.big-result{font-weight:800;color:#1f4b3b;font-size:clamp(39px,5vw,61px);line-height:1.12;letter-spacing:-.06em;margin:13px 0}.big-result small{font-size:19px;letter-spacing:0;font-weight:550}.result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}.metric{background:#ffffffba;border-radius:11px;padding:14px}.metric span{display:block;font-size:12px;color:#687a6e;margin-bottom:6px}.metric strong{font-size:17px;color:#2d4d3f}.result-tip{border-top:1px solid #bbc9bd;padding-top:18px;font-size:13px;line-height:1.65;color:#52685b}.result-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.result-actions button{background:#fff;border:1px solid #c6d4c8;border-radius:8px;padding:10px 12px;color:#2e5946;font-weight:750;font-size:12px}.notice{font-size:12px;line-height:1.6;color:#5d7568;margin-top:14px}.browse{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.guide-card{text-decoration:none;border-radius:20px;background:#fff;border:1px solid var(--line);min-height:224px;padding:26px;display:flex;flex-direction:column;transition:.2s}.guide-card small{font-weight:850;text-transform:uppercase;letter-spacing:.12em;font-size:10px;color:#9e7e47}.guide-card h3{font-size:23px;letter-spacing:-.045em;line-height:1.2;margin:19px 0 10px}.guide-card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}.guide-card b{font-size:13px;margin-top:auto;padding-top:17px;color:var(--green)}.cta-band{border-radius:27px;background:#264b3f;color:#fff;padding:55px 60px;display:flex;gap:36px;justify-content:space-between;align-items:center}.cta-band h2{font-size:38px;letter-spacing:-.05em;margin:0 0 13px}.cta-band p{color:#c6d8cd;line-height:1.6;max-width:550px;margin:0}.cta-band .btn{white-space:nowrap;color:#254a3b;background:#f1debc;border-color:#f1debc}.page-hero{padding:72px 0 52px;max-width:870px}.page-hero h1{font-size:clamp(43px,5.3vw,65px);line-height:1.08;letter-spacing:-.067em;margin:0 0 25px}.page-hero .lead{margin-bottom:0}.article-wrap{display:grid;grid-template-columns:minmax(0,730px) minmax(220px,300px);gap:66px;padding-bottom:100px}.article{font-size:17px;line-height:1.88;color:#3b4e44}.article p{margin:0 0 25px}.article h2{font-size:29px;line-height:1.25;margin:45px 0 17px}.article h3{font-size:21px;line-height:1.3;margin:28px 0 14px}.article ul{padding-left:23px}.article li{margin-bottom:12px}.article a{text-underline-offset:4px;color:#2c664e;font-weight:750}.quote{background:#e9eee8;border-left:4px solid #bc985f;padding:18px 23px;font-size:15px;line-height:1.7;border-radius:0 12px 12px 0;margin:30px 0}.aside{align-self:start;position:sticky;top:108px;background:#fff;padding:25px;border:1px solid var(--line);border-radius:18px}.aside h3{font-size:16px;margin:0 0 17px}.aside a{display:block;border-top:1px solid #edf1ed;font-size:13px;text-decoration:none;color:#456456;padding:15px 0}.aside a:hover{text-decoration:underline}.footer{padding:70px 0 32px;background:#1d3630;color:#d8e7da;margin-top:90px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:60px}.footer .brand{color:#f1edda}.footer .brandmark{background:#c7a56e;color:#214234}.footer p{font-size:13px;color:#b1c6b9;line-height:1.8;max-width:425px}.footer h4{color:#fff;font-size:13px;margin:6px 0 20px}.footer a:not(.brand){color:#b1c6b9;text-decoration:none;display:block;margin:0 0 14px;font-size:13px}.footer a:hover{text-decoration:underline}.foot-bottom{border-top:1px solid #456157;margin-top:42px;padding-top:23px;color:#a2baac;font-size:12px;display:flex;justify-content:space-between;gap:20px;line-height:1.6}.mini{font-size:13px;color:var(--muted)}.pill{background:#e4eade;border-radius:99px;padding:7px 11px;font-size:11px;font-weight:800;color:#3f6651}.merchant-card{border:1px solid var(--line);background:#fff;border-radius:20px;padding:25px}.merchant-card h3{font-size:23px;margin:10px 0 10px}.merchant-card p{color:var(--muted);line-height:1.7;font-size:14px}.merchant-card .pill{display:inline-block}.merchant-card a{color:var(--green);font-weight:800;font-size:14px}.breadcrumbs{font-size:12px;color:#758078;margin-top:30px}.breadcrumbs a{color:inherit;text-decoration:none}.breadcrumbs span{margin:0 9px;color:#9aa79c}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-size:16px;font-weight:700}.faq p{color:var(--muted);font-size:15px;line-height:1.7}.calc-link{background:#f2f4ed;border-radius:17px;padding:22px;margin:20px 0}.calc-link a{display:inline-block;margin-top:8px}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.method-grid>div{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px}.method-grid strong{font-size:23px;color:var(--green)}.method-grid p{font-size:14px;color:var(--muted);line-height:1.6}.g-source{font-size:12px;color:#728178}.g-source a{color:inherit}.no-results{font-size:13px;color:var(--muted)}@media(max-width:980px){.container{padding:0 24px}nav{gap:12px}.hero{gap:24px}.hero-art{min-height:380px}.article-wrap{gap:30px}.tool-layout{grid-template-columns:1fr 1fr}}@media(max-width:720px){.container{padding:0 17px}header>.container{min-height:72px;gap:10px}.brand{font-size:19px}.brandmark{width:37px;height:37px}.header-cta{display:none}.menu-toggle{display:block;border:1px solid #d6dfd6;background:#fff;padding:10px;border-radius:9px;font-size:13px;font-weight:700}nav{display:none;position:absolute;top:71px;left:0;right:0;padding:18px;background:#f8f7f4;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}nav.open{display:flex}.hero{grid-template-columns:1fr;padding-top:50px;padding-bottom:50px}.hero h1{font-size:clamp(43px,11vw,58px)}.hero-art{min-height:290px}.art-chair{bottom:6%}.lead{font-size:16px}.strip .container{min-height:80px;flex-wrap:wrap;justify-content:flex-start;gap:13px;padding:16px}.strip span{font-size:11px}.section{padding:62px 0}.section-head{display:block}.section-head p{margin:17px 0 0}.grid3,.browse,.method-grid{grid-template-columns:1fr}.room{min-height:220px}.tool-layout{grid-template-columns:1fr}.field-grid{grid-template-columns:1fr}.result-shell{min-height:280px}.cta-band{padding:31px;display:block}.cta-band h2{font-size:30px}.cta-band .btn{margin-top:25px}.page-hero{padding-top:44px}.page-hero h1{font-size:42px}.article-wrap{display:block;padding-bottom:50px}.aside{position:static;margin-top:45px}.article{font-size:16px}.article h2{font-size:25px}.footer{margin-top:65px}.footer-grid{grid-template-columns:1fr;gap:24px}.foot-bottom{flex-direction:column}.panel{padding:22px}.result-shell{padding:24px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{header,.menu-toggle,.footer,.hero-art,.no-print,.aside{display:none!important}body{background:#fff}.panel,.result-shell{border:1px solid #aaa}.hero{display:block}}
.result-actions .btn.primary{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;font-size:12px;min-height:39px;text-align:center;white-space:normal}

.calculator-affiliate-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:24px;margin:22px 0 8px;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.calculator-affiliate-cta>div{flex:1 1 360px}
.calculator-affiliate-cta h3{margin:12px 0 8px}
.calculator-affiliate-cta p{margin:0;color:var(--muted);font-size:14px;line-height:1.6;max-width:700px}
.calculator-affiliate-cta .btn{flex:0 1 auto}
@media(max-width:760px){.calculator-affiliate-cta{padding:20px}.calculator-affiliate-cta .btn{width:100%;text-align:center}}

.analytics-consent[hidden]{display:none!important}
.analytics-consent{position:fixed;z-index:9999;bottom:16px;left:16px;right:16px;max-width:830px;padding:22px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:18px;box-shadow:0 14px 60px rgba(0,0,0,.25);display:flex;align-items:flex-end;justify-content:space-between;gap:22px;flex-wrap:wrap}
.analytics-consent>div:first-child{flex:1 1 410px}.analytics-consent h2{margin:5px 0 8px;font-size:clamp(18px,2.3vw,24px)}.analytics-consent p{margin:0 0 9px;line-height:1.55;font-size:14px}.analytics-consent a{font-size:13px}
.analytics-consent-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:stretch}.analytics-consent-actions .btn{min-height:44px;white-space:nowrap}
.analytics-footer{padding:12px 0 22px}.analytics-footer button{font:inherit;font-size:13px;color:inherit;text-decoration:underline;background:transparent;border:0;padding:8px 0;cursor:pointer}
.analytics-footer button:focus-visible,.analytics-consent button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
@media(max-width:620px){.analytics-consent{bottom:8px;left:8px;right:8px;padding:18px;max-height:86vh;overflow:auto}.analytics-consent-actions{width:100%}.analytics-consent-actions .btn{flex:1 1 120px;text-align:center}}

.guide-merchant-offer{display:flex;flex-wrap:wrap;align-items:center;gap:20px;padding:22px 24px;margin:24px 0;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.guide-merchant-offer>div{flex:1 1 360px}
.guide-merchant-offer h2{font-size:clamp(18px,2.4vw,23px);margin:12px 0}
.guide-merchant-offer p{font-size:14px;line-height:1.6;color:var(--muted);margin:0}
.guide-merchant-offer .btn{flex-shrink:0}
@media(max-width:700px){.guide-merchant-offer{padding:18px}.guide-merchant-offer .btn{width:100%;text-align:center}}

/* Multi-room LED energy estimate */
.energy-section .panel h2{font-size:30px;letter-spacing:-.05em;margin:0 0 10px}
.energy-section .panel h3{font-size:20px;margin-top:24px}
.energy-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0 12px}
.energy-settings>.field:first-child{grid-column:1/-1}
.energy-groups{display:flex;flex-direction:column;gap:15px}
.energy-group{border:1px solid #d2ddd4;border-radius:13px;background:#f8faf6;padding:16px;margin:0;min-width:0}
.energy-group legend{font-weight:800;color:#2b4f3d;font-size:13px;padding:0 8px}
.energy-group .field.wide{display:flex;margin-bottom:12px}
.energy-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.energy-fields .field{font-size:12px}
.energy-fields input,.energy-settings input{min-width:0}
.energy-remove{font-size:12px;margin-top:12px;background:transparent;color:#8a3b32;border:0;text-decoration:underline;padding:7px 0}
.energy-add{margin-top:13px;width:100%;font-size:13px}
.energy-breakdown-title{font-size:17px;margin:24px 0 8px}
.energy-table-scroll{max-width:100%;overflow-x:auto}
.energy-table{width:100%;border-collapse:collapse;font-size:12px;white-space:normal}
.energy-table caption{text-align:left;font-size:12px;color:#52685b;margin-bottom:7px}
.energy-table th,.energy-table td{padding:10px 7px;border-bottom:1px solid #c8d6cb;text-align:left}
.energy-table th{font-weight:800;color:#325344}
.energy-table td:first-child{max-width:120px;word-break:break-word}
.energy-explainer{padding-top:70px}
@media(max-width:900px){.energy-section>.tool-layout{grid-template-columns:1fr}}
@media(max-width:520px){.energy-settings,.energy-fields{grid-template-columns:1fr}.energy-group{padding:13px}.energy-table{font-size:11px}.energy-table th,.energy-table td{padding:7px 5px}}
@media print{.energy-remove,.energy-add,.energy-section .submit,.guide-merchant-offer,.analytics-consent{display:none!important}.energy-group{break-inside:avoid}.energy-section>.tool-layout{grid-template-columns:1fr}}