:root{
  --bg:#f7f9fc;--surface:#ffffff;--text:#142033;--muted:#5f6f82;--line:#dfe6ee;
  --accent:#1269e0;--accent2:#0c4fb1;--ok:#0d8b5d;--warn:#9a6500;--radius:18px;
  --shadow:0 12px 36px rgba(24,39,75,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.62}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1140px,calc(100% - 36px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.logo{font-weight:800;font-size:1.25rem;letter-spacing:-.03em;color:var(--text)}
.logo span{color:var(--accent)}
nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
nav a{color:var(--text);font-weight:600;font-size:.95rem}
.hero{padding:86px 0 54px}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:42px;align-items:center}
.eyebrow{display:inline-block;padding:7px 11px;border-radius:999px;background:#e9f2ff;color:var(--accent2);font-size:.82rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase}
h1,h2,h3{line-height:1.12;letter-spacing:-.035em}
h1{font-size:clamp(2.6rem,6vw,5.6rem);margin:18px 0 18px}
h2{font-size:clamp(1.8rem,3vw,2.8rem);margin-top:0}
h3{font-size:1.25rem}
.lead{font-size:1.2rem;color:var(--muted);max-width:760px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:12px;font-weight:800;border:1px solid transparent;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--accent);color:white}
.btn-primary:hover{background:var(--accent2);text-decoration:none}
.btn-secondary{background:white;border-color:var(--line);color:var(--text)}
.panel,.card,.calculator,.article-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel{padding:28px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:16px}
.stat{padding:18px;border-radius:14px;background:#f6f9fd;border:1px solid var(--line)}
.stat strong{display:block;font-size:1.5rem}
.section{padding:64px 0}
.section.alt{background:#eef4fb}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{padding:24px}
.card p{color:var(--muted)}
.card .tag{font-size:.78rem;font-weight:800;color:var(--accent2);text-transform:uppercase;letter-spacing:.04em}
.article{padding:56px 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}
.article main{min-width:0}
.article h1{font-size:clamp(2.2rem,5vw,4.4rem)}
.article p,.article li{font-size:1.04rem}
.toc{position:sticky;top:96px;padding:22px}
.toc h3{margin-top:0}
.toc ul{padding-left:20px}
.calculator{padding:26px;margin:28px 0}
.calc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field label{display:block;font-weight:800;margin-bottom:7px}
.field input,.field select{width:100%;padding:12px 13px;border:1px solid #cfd8e3;border-radius:10px;background:white;font:inherit}
.results{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.result{padding:16px;background:#f3f8ff;border:1px solid #d9e8ff;border-radius:12px}
.result span{display:block;font-size:.8rem;color:var(--muted);font-weight:700}
.result strong{display:block;font-size:1.25rem;margin-top:3px}
.formula{background:#f7f8fa;border-left:4px solid var(--accent);padding:15px 18px;border-radius:10px}
.callout{padding:18px 20px;border-radius:14px;background:#eef8f4;border:1px solid #cce9dd}
.disclaimer{font-size:.88rem;color:var(--muted)}
footer{padding:42px 0;background:#0f1a2a;color:#d6dfeb;margin-top:70px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}
footer a{color:#e9f2ff}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:7px 0}
.mobile-toggle{display:none}
.breadcrumbs{font-size:.9rem;color:var(--muted);margin-top:24px}
.kicker{color:var(--accent2);font-weight:800}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;background:white}
th,td{padding:12px 14px;border:1px solid var(--line);text-align:left}
th{background:#f3f6fa}
.faq details{background:white;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
.faq summary{font-weight:800;cursor:pointer}
@media(max-width:900px){
  .hero-grid,.article-layout{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr 1fr}
  .toc{position:static}
  nav ul{display:none}
  .mobile-toggle{display:block;border:0;background:transparent;font-size:1.4rem}
}
@media(max-width:640px){
  .grid,.calc-grid,.results,.footer-grid,.stats{grid-template-columns:1fr}
  .hero{padding-top:54px}
  .container{width:min(100% - 24px,1140px)}
}


/* V11 traffic + UX enhancements */
.nav{min-height:76px}
.nav nav ul{align-items:center}
.nav nav a{white-space:nowrap}
.hero-v11{padding:78px 0 46px;background:linear-gradient(180deg,#f7f9fc 0%,#eef5ff 100%)}
.hero-v11 h1{max-width:850px}
.hero-search{margin-top:28px;max-width:760px;display:flex;gap:10px;background:white;border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:var(--shadow)}
.hero-search input{flex:1;border:0;outline:0;padding:11px 12px;font:inherit;background:transparent;min-width:0}
.hero-search button{border:0;border-radius:11px;background:var(--accent);color:white;padding:11px 18px;font-weight:800;cursor:pointer}
.search-results{max-width:760px;margin-top:10px;background:white;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);display:none;overflow:hidden}
.search-results.active{display:block}
.search-results a{display:block;padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text);font-weight:700}
.search-results a:last-child{border-bottom:0}
.search-results a:hover{background:#f4f8fd;text-decoration:none}
.quick-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.quick-links a{background:white;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:var(--text);font-size:.9rem;font-weight:700}
.quick-links a:hover{border-color:#a9c7ee;text-decoration:none}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
.metric-card{background:white;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 8px 24px rgba(24,39,75,.05)}
.metric-card strong{display:block;font-size:1.1rem;margin-bottom:4px}
.metric-card span{color:var(--muted);font-size:.92rem}
.card{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 16px 42px rgba(24,39,75,.11);border-color:#c7d8ee}
.card h3{margin-top:8px}
.card-link{display:flex;flex-direction:column;height:100%}
.card-link a:last-child{margin-top:auto;font-weight:800}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{margin-bottom:0}
.section-head p{max-width:600px;color:var(--muted);margin:0}
.tool-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tool-strip .card{padding:20px}
.source-note{padding:16px 18px;border:1px solid var(--line);border-radius:13px;background:#fbfcfe;color:var(--muted);font-size:.94rem}
.calc-enhanced{background:linear-gradient(180deg,#fff 0%,#f8fbff 100%)}
.calc-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.calc-actions button{border:1px solid var(--line);background:white;border-radius:10px;padding:9px 12px;font-weight:800;cursor:pointer}
.preset-note{font-size:.86rem;color:var(--muted);margin-top:7px}
.result.big strong{font-size:1.55rem}
.topic-icon{font-size:1.4rem;display:inline-block;margin-bottom:6px}
.content-split{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.appliance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.appliance-grid .card{padding:20px}
.mini-formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f5f7fa;border:1px solid var(--line);padding:10px 12px;border-radius:10px;display:inline-block}
@media(max-width:1040px){.nav nav ul{gap:13px}.nav nav a{font-size:.9rem}.metric-grid,.tool-strip,.appliance-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){
  .mobile-toggle{display:block;border:1px solid var(--line);background:white;border-radius:10px;padding:7px 10px;font-size:1.2rem;cursor:pointer}
  .nav{position:relative}
  .nav nav{display:none;position:absolute;left:0;right:0;top:76px;background:white;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:10px 18px 18px}
  .nav nav.open{display:block}
  .nav nav ul{display:flex!important;flex-direction:column;align-items:stretch;gap:0}
  .nav nav a{display:block;padding:10px 4px}
  .content-split{grid-template-columns:1fr}
}
@media(max-width:640px){.hero-v11{padding-top:48px}.hero-search{flex-direction:column}.hero-search button{width:100%}.metric-grid,.tool-strip,.appliance-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:10px}}


/* V12 monetization engine */
.nav-cta{background:var(--accent);color:#fff!important;padding:9px 12px;border-radius:10px}
.nav-cta:hover{background:var(--accent2);text-decoration:none}
.footer-note{font-size:.86rem;color:#aebcd0;max-width:440px}
.money-hero{padding:70px 0 46px;background:linear-gradient(135deg,#eef6ff 0%,#f7fbff 48%,#edf9f3 100%)}
.money-hero h1{max-width:900px}
.intent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.intent-card{background:white;border:1px solid var(--line);border-radius:18px;padding:23px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.intent-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent)}
.intent-card strong{display:block;font-size:1.14rem;margin-bottom:7px}
.commercial-cta{margin:30px 0;padding:22px 24px;border-radius:18px;background:linear-gradient(135deg,#10223e,#153c68);color:white;display:flex;align-items:center;justify-content:space-between;gap:24px}
.commercial-cta h3{margin:0 0 6px;color:white}.commercial-cta p{margin:0;color:#d9e7f8}.commercial-cta .btn{white-space:nowrap;background:white;color:#10223e}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.quote-card{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}
.quote-card h3{margin-top:0}
.quote-card label{display:block;font-weight:750;margin:10px 0 5px;font-size:.91rem}
.quote-card input,.quote-card select,.quote-card textarea{width:100%;padding:10px;border:1px solid #ccd6e2;border-radius:9px;font:inherit;background:white}
.quote-card textarea{min-height:76px;resize:vertical}
.score-pill{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border-radius:999px;background:#edf7f3;color:#087451;font-weight:800;font-size:.85rem}
.summary-board{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.summary-board .result{min-height:92px}
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}
.check-item{padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:#fbfcfe}
.check-item input{margin-right:7px}
.local-only{display:inline-flex;gap:8px;align-items:center;font-size:.86rem;background:#eef8f4;border:1px solid #cce9dd;color:#116a4b;border-radius:999px;padding:6px 10px}
.brand-note{padding:14px 17px;border-radius:12px;background:#fff8e8;border:1px solid #f0dfb4;font-size:.91rem}
.source-box{padding:18px;border-radius:14px;border:1px solid var(--line);background:#fbfcfe;margin:22px 0}
.source-box strong{display:block;margin-bottom:6px}
.monetization-map{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.monetization-map .card{border-top:4px solid var(--accent)}
.progress-line{height:9px;border-radius:999px;background:#e6edf5;overflow:hidden;margin-top:8px}.progress-line span{display:block;height:100%;background:var(--accent);border-radius:999px}
.print-only{display:none}
@media(max-width:1050px){.nav nav ul{gap:9px}.nav nav a{font-size:.84rem}.nav-cta{padding:8px 9px}}
@media(max-width:900px){.intent-grid,.quote-grid,.monetization-map{grid-template-columns:1fr 1fr}.commercial-cta{display:block}.commercial-cta .btn{margin-top:14px}.summary-board{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.intent-grid,.quote-grid,.monetization-map,.checklist,.summary-board{grid-template-columns:1fr}}
@media print{header,footer,.mobile-toggle,.btn,.commercial-cta{display:none!important}.print-only{display:block}.article{padding:0}.container{width:100%}.panel,.card,.calculator,.quote-card{box-shadow:none}}


/* ===== V13 POWER HOMEPAGE ===== */
.hero-v13{padding:64px 0 48px;background:linear-gradient(180deg,#f3f7fd 0%,#ffffff 100%)}
.hero-grid-v13{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:36px;align-items:start}
.hero-v13 h1{font-size:clamp(3rem,6vw,5.4rem);line-height:.98;letter-spacing:-.055em;max-width:980px;margin:.25em 0 .3em}
.hero-lead{font-size:clamp(1.05rem,1.6vw,1.35rem);line-height:1.55;max-width:820px;color:var(--muted,#526277)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}
.button-secondary{background:#fff!important;color:var(--ink,#132038)!important;border:1px solid #cfd8e6!important}
.hero-search{margin-top:24px;max-width:820px}
.search-row{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:8px}
.search-row input{min-width:0}
.search-results{margin-top:10px;display:grid;gap:6px}
.search-results a{display:block;padding:9px 11px;border-radius:10px;background:#fff;border:1px solid #dfe6ef;text-decoration:none}
.hero-side-v13{display:grid;gap:8px;position:sticky;top:24px}
.mini-tool-link{display:grid;gap:3px;padding:14px 12px;border-radius:12px;text-decoration:none;border:1px solid #e0e7f0;background:#fff}
.mini-tool-link span{font-size:.9rem;color:#65748a}
.trust-strip{border-top:1px solid #e7ecf3;border-bottom:1px solid #e7ecf3;background:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust-grid>div{padding:20px;border-right:1px solid #e7ecf3;display:grid;gap:4px}
.trust-grid>div:last-child{border-right:0}
.trust-grid span{font-size:.9rem;color:#66758b}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:#60718a}
.section-lead{max-width:760px}
.opportunity-finder{max-width:900px}
.finder-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:14px}
.pill-grid{display:flex;flex-wrap:wrap;gap:10px}
.pill-grid a{padding:10px 14px;border:1px solid #d8e0ea;border-radius:999px;background:#fff;text-decoration:none}
.two-col{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.trust-section{padding-bottom:72px}
@media(max-width:980px){
  .hero-grid-v13{grid-template-columns:1fr}
  .hero-side-v13{position:static}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr}
}
@media(max-width:640px){
  .hero-v13{padding:40px 0 32px}
  .hero-v13 h1{font-size:clamp(2.6rem,13vw,4rem);line-height:1}
  .search-row{grid-template-columns:1fr}
  .finder-grid{grid-template-columns:1fr}
  .grid-4,.grid-3,.trust-grid{grid-template-columns:1fr}
  .trust-grid>div{border-right:0;border-bottom:1px solid #e7ecf3}
}


/* ===== V14 REVENUE ENGINE ===== */
.conversion-card,.revenue-path{margin-top:30px}
.revenue-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:14px}
.revenue-steps>div{padding:16px;border:1px solid #dfe6ef;border-radius:14px;background:#fff}
.compact-section{margin-top:34px}
.compare-score{font-size:1.05rem}
@media(max-width:800px){.revenue-steps{grid-template-columns:1fr}}