/* Solar States — design system (DESIGN.md is the source of truth) */
:root{
  --bg:#F5FAFC; --surface:#FFFFFF; --ink:#0C1E2B; --ink-soft:#3D5568;
  --panel:#12314B; --panel-2:#0C2236; --sun:#FFB547; --lime:#B9F24B;
  --line:#D9E6EF; --amber-soft:#FFE3B3;
  --radius:14px;
  --shadow:0 1px 2px rgba(12,30,43,.06);
  --shadow-lg:0 10px 30px rgba(12,30,43,.10),0 2px 6px rgba(12,30,43,.05);
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-data:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}
.container{width:min(100% - 2rem,1120px);margin-inline:auto}
a{color:inherit}
img,svg{display:block}
:focus-visible{outline:2px solid var(--sun);outline-offset:2px;border-radius:4px}
.eyebrow{font-family:var(--font-data);text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;color:var(--lime);margin:0 0 .6rem}
.eyebrow.light{color:var(--lime)}
.eyebrow.dark{color:#B86E00}
.muted{color:var(--ink-soft)}.center{text-align:center}
.year{color:var(--ink-soft);font-weight:500}
.verified{font-family:var(--font-data);font-size:.8rem;color:var(--ink-soft);margin:0 0 1.4rem}

/* ---------------- Header ---------------- */
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,250,252,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.75rem}
.brand{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-display);font-weight:700;text-decoration:none;letter-spacing:.01em;font-size:1.05rem}
.brand-sun,.brand-logo{color:var(--sun)}
.brand .brand-tag{display:none}
.nav{display:flex;gap:.2rem;align-items:center;flex-wrap:wrap}
.nav a{text-decoration:none;font-weight:500;font-size:.92rem;padding:.4rem .75rem;border-radius:99px;color:var(--ink-soft);transition:color .12s ease,background .12s ease}
.nav a:hover{background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.nav a.on{color:var(--ink);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.nav .nav-cta{background:var(--sun);color:#1F1400;font-weight:600}
.nav .nav-cta:hover{box-shadow:0 4px 14px rgba(255,181,71,.4);color:#1F1400}

/* ---------------- Hero ---------------- */
.hero{position:relative;overflow:hidden;background:radial-gradient(900px 420px at 72% -8%,rgba(255,181,71,.16),transparent 62%),linear-gradient(160deg,var(--panel) 0%,var(--panel-2) 100%);color:#fff;padding:4.6rem 0 4.2rem}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,181,71,.55),transparent)}
.hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(2.3rem,5.8vw,3.6rem);line-height:1.05;margin:0 0 .9rem;letter-spacing:-.025em;max-width:52rem}
.hero h1 .hl{color:var(--sun)}
.hero .sub{font-size:1.13rem;color:#C7DAE8;max-width:46rem;margin:0 0 1.9rem;line-height:1.6}
.hero-stats{margin-bottom:1.7rem}
.stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:.85rem 1.05rem;display:flex;flex-direction:column;gap:.15rem;backdrop-filter:blur(2px)}
.stat-label{font-family:var(--font-data);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:#9FBFD4}
.stat-value{font-family:var(--font-data);font-size:1.02rem;color:var(--lime);font-weight:500}
.stat-value small{color:#C7DAE8;font-size:.78rem}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.8rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.btn{display:inline-block;background:var(--sun);color:#1F1400;font-weight:600;text-decoration:none;padding:.72rem 1.35rem;border-radius:99px;border:1px solid transparent;transition:transform .12s ease,box-shadow .12s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,181,71,.38)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{box-shadow:none;border-color:var(--sun);color:var(--sun)}

/* Verified strip (home) */
.verified-strip{display:flex;flex-wrap:wrap;gap:.7rem 1.8rem;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:.8rem 1.2rem;margin-bottom:1.6rem}
.vs-item{display:flex;align-items:center;gap:.5rem;font-family:var(--font-data);font-size:.78rem;color:var(--ink-soft)}
.vs-item b{color:var(--ink);font-weight:600}
.vs-tick{width:1.15rem;height:1.15rem;border-radius:99px;background:#DBF8A6;color:#203A00;display:inline-flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;flex:none}
.vs-tick.sun{background:var(--amber-soft);color:#4A3000}

/* ---------------- Sections ---------------- */
.sec{padding:3.4rem 0}
.sec + .sec{border-top:1px solid var(--line)}
.sec h2,.faq-block h2,.page h2,.tool h2{font-family:var(--font-display);font-size:clamp(1.45rem,2.6vw,1.8rem);letter-spacing:-.015em;margin:.35rem 0 .9rem}
.sec-head{max-width:46rem;margin-bottom:1.6rem}
.sec-head p{margin:0}

/* Tool & guide cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}
.card{position:relative;display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem 1.3rem;text-decoration:none;transition:transform .14s ease,box-shadow .14s ease,border-color .14s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--sun)}
.card .card-ico{font-family:var(--font-data);font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:#B86E00;background:var(--amber-soft);border-radius:99px;padding:.22rem .6rem;display:inline-block;margin-bottom:.7rem}
.card h3{font-family:var(--font-display);font-size:1.08rem;letter-spacing:-.01em;margin:0 0 .4rem}
.card p{margin:0;font-size:.92rem;color:var(--ink-soft);line-height:1.55}

/* Mosaic (signature) */
.mosaic{display:grid;grid-template-columns:repeat(10,1fr);gap:.5rem;margin:1.2rem 0}
.tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.1rem;padding:.7rem .2rem;border-radius:10px;text-decoration:none;color:#fff;transition:transform .15s ease,border-color .15s ease;border:1px solid transparent;min-width:0}
.tile-abbr{font-family:var(--font-data);font-weight:600;font-size:.82rem}
.tile-name{font-size:.62rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;opacity:.85}
.tile:hover{transform:translateY(-2px)}
.z-high{background:var(--sun);color:#1F1400}
.z-high .tile-name{opacity:.75}
.z-med{background:var(--amber-soft);color:#1C2B18}
.z-med .tile-name{opacity:.7}
.z-low{background:var(--panel)}
.z-low .tile-name{color:#9FBFD4}
.tile.z-high:hover,.tile.z-med:hover,.tile.z-low:hover{border-color:var(--sun)}

/* Steps (real process only) */
.steps{padding-left:1.4rem;display:grid;gap:.7rem}
.steps li::marker{font-family:var(--font-data);color:var(--sun);font-weight:700}
.steps.three{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem;list-style-position:outside}
.steps.three li{padding:1.1rem 1.15rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}

/* Hub & filter */
.page{padding:2.8rem 0 4rem}
.page-head{margin-bottom:.4rem}
.page-head h1{font-family:var(--font-display);font-size:clamp(1.9rem,3.6vw,2.5rem);letter-spacing:-.025em;margin:.2rem 0 .5rem}
.page-head .page-sub{font-size:1.05rem;color:var(--ink-soft);margin:0 0 1.2rem;max-width:52rem}
.crumbs{font-size:.85rem;color:var(--ink-soft);margin-bottom:1.2rem}
.crumbs a{color:var(--ink-soft)}
.crumbs a:hover{color:var(--ink)}
.filter{display:block;font-family:var(--font-data);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;margin:2rem 0 .4rem;color:var(--ink-soft)}
.filter-input{width:100%;max-width:24rem;padding:.7rem .9rem;border-radius:10px;border:1px solid var(--line);background:var(--surface);font:inherit;color:var(--ink)}
.filter-input:focus{border-color:var(--sun);outline:none;box-shadow:0 0 0 3px rgba(255,181,71,.18)}

/* Prose (reading surfaces) */
.prose{max-width:72ch;margin-top:1.6rem}
.prose .lead{font-size:1.12rem;color:var(--ink-soft);line-height:1.6;margin:0 0 1.4rem}
.prose h2{margin-top:2.4rem}
.prose p{margin:.7rem 0}
.prose a{color:#0A6AC2;text-decoration-color:rgba(10,106,194,.35);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--sun);color:var(--ink)}
.prose blockquote{margin:1.4rem 0;padding:1rem 1.3rem;background:var(--surface);border-left:3px solid var(--sun);border-radius:0 12px 12px 0;color:var(--ink);box-shadow:var(--shadow)}
.prose blockquote p{margin:.2rem 0}
.prose blockquote .muted{font-size:.82rem}
.prose ol,.prose ul{padding-left:1.3rem}
.review-note{background:var(--amber-soft);border:1px solid #f0d9a0;border-radius:10px;padding:.9rem 1.1rem;color:#4a3000;font-size:.95rem}
.facts{list-style:none;padding:0;display:grid;gap:.7rem}
.facts li{display:flex;gap:.65rem;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.85rem 1.05rem;box-shadow:var(--shadow);font-size:.95rem;min-width:0;flex-wrap:wrap}
.facts li>*{min-width:0}
.facts li{overflow-wrap:anywhere}
.facts li .src{display:block;font-size:.78rem;margin-top:.3rem}
.badge{font-family:var(--font-data);font-size:.66rem;text-transform:uppercase;letter-spacing:.08em;background:var(--amber-soft);color:#4a3000;border-radius:99px;padding:.22rem .6rem;white-space:nowrap;margin-top:.22rem;flex:none}
.badge.ok{background:#DBF8A6;color:#203A00}
.region{background:var(--surface);border-left:3px solid var(--sun);border-radius:0 12px 12px 0;padding:.9rem 1.1rem;margin-top:1.4rem}

/* Forms */
.contact-form{display:grid;gap:1rem;margin:1.6rem 0;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.4rem;box-shadow:var(--shadow)}
.contact-form label{display:grid;gap:.35rem;font-size:.9rem;font-weight:600;color:var(--ink-soft)}
.contact-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact-form input,.contact-form select,.contact-form textarea{font:inherit;font-size:.95rem;padding:.6rem .8rem;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);width:100%;box-sizing:border-box}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:2px solid var(--sun);outline-offset:1px;border-color:var(--sun)}
.contact-form .btn{justify-self:start;cursor:pointer;font-size:.95rem}
.contact-form .form-note{font-size:.74rem;opacity:.7;margin:0}
@media(max-width:640px){.contact-form .form-row{grid-template-columns:1fr}}

/* ---------------- Tools: SREC income ---------------- */
.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.4rem;margin:1.4rem 0;box-shadow:var(--shadow)}
.tool-row{display:grid;gap:.4rem;margin:.9rem 0}
.tool-row label{font-weight:600;font-size:.92rem;color:var(--ink-soft)}
.tool-row select,.tool-row input{font:inherit;font-size:.95rem;padding:.6rem .8rem;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);width:100%;max-width:26rem;box-sizing:border-box}
.tool-row select:focus,.tool-row input:focus{outline:2px solid var(--sun);outline-offset:1px;border-color:var(--sun)}
.tool-out{margin-top:1.1rem}
.answer-box{background:#F3F8FC;border-left:3px solid var(--sun);border-radius:0 12px 12px 0;padding:.9rem 1.1rem;margin-bottom:1rem}
.answer-label{font-family:var(--font-data);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}
.chip{font-family:var(--font-data);font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;border-radius:99px;padding:.22rem .65rem;background:#E5EEF5;color:#2C4A64;white-space:nowrap;margin-left:.4rem}
.chip.warn{background:#FBEEDB;color:#8A5A00}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1rem;margin:.8rem 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1rem}
.stat span{display:block;font-family:var(--font-data);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}
.stat b{display:block;font-size:1.5rem;margin:.3rem 0 .35rem;color:var(--ink)}
.stat p{font-size:.83rem;color:var(--ink-soft);margin:0;line-height:1.45}

/* FAQ */
.faq-block{margin-top:2.6rem}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin:.55rem 0;padding:0 1.1rem;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:600;padding:.9rem 0;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::after{content:"+";font-family:var(--font-data);color:var(--sun);font-size:1.15rem;transition:transform .18s ease;flex:none}
.faq[open] summary::after{transform:rotate(45deg)}
.faq div{padding:0 0 1rem;color:var(--ink-soft)}

/* Prev / next */
.prevnext{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;border-top:1px solid var(--line);padding-top:1.2rem}
.pn{text-decoration:none;font-weight:600;color:var(--ink-soft)}
.pn:hover{color:var(--ink)}

/* ---------------- Footer ---------------- */
.site-footer{background:var(--panel-2);color:#C7DAE8;padding:3rem 0 2.4rem;margin-top:2.4rem}
.footer-in{display:grid;gap:1.8rem}
.footer-cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}
.footer-brand p{max-width:34rem;font-size:.9rem;color:#A9C3D8;margin:.6rem 0 0}
.site-footer .brand{color:#fff}
.footer-col h4{font-family:var(--font-data);font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--lime);margin:0 0 .7rem}
.footer-col a{display:block;text-decoration:none;color:#C7DAE8;font-size:.9rem;padding:.22rem 0}
.footer-col a:hover{color:var(--sun)}
.fine{font-size:.82rem;opacity:.8;max-width:56rem;margin:.4rem 0 0}
.fine.mono{font-family:var(--font-data);font-size:.74rem;opacity:.6}

/* ---------------- Tools: quote scorecard ---------------- */
.qc{display:grid;gap:1rem;margin-top:1.6rem}
.qc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem}
.qc-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.1rem 1.15rem .9rem}
.qc-card h3{font-family:var(--font-data);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft);margin:0 0 .7rem;display:flex;justify-content:space-between;align-items:center}
.qc-card h3 .qc-n{color:#B86E00;background:var(--amber-soft);border-radius:99px;padding:.1rem .5rem;font-weight:600}
.qc-field{display:flex;flex-direction:column;gap:.25rem;margin-bottom:.6rem}
.qc-field label{font-size:.8rem;color:var(--ink-soft);font-weight:500}
.qc-field input{width:100%;padding:.55rem .7rem;border-radius:9px;border:1px solid var(--line);background:var(--bg);font-family:var(--font-data);font-size:.95rem;color:var(--ink)}
.qc-field input:focus{border-color:var(--sun);outline:none;box-shadow:0 0 0 3px rgba(255,181,71,.18)}
.qc-out{display:grid;gap:.5rem;margin-top:1.6rem}
.qc-row{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.75rem 1rem;box-shadow:var(--shadow)}
.qc-row .qc-name{font-weight:600;font-size:.95rem}
.qc-row .qc-meta{font-family:var(--font-data);font-size:.72rem;color:var(--ink-soft);margin-top:.1rem}
.qc-price{font-family:var(--font-data);font-weight:600;font-size:1.05rem;white-space:nowrap}
.qc-price b{color:#B86E00}
.qc-best-w{order:-1;border-color:var(--sun)}
.qc-best-w .qc-price b{color:#1A7F37;font-size:1.2rem}
.qc-verdict{font-family:var(--font-data);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;border-radius:99px;padding:.18rem .55rem;white-space:nowrap}
.qc-verdict.good{background:#DBF8A6;color:#203A00}
.qc-verdict.mid{background:var(--amber-soft);color:#4A3000}
.qc-verdict.high{background:#FFE0DA;color:#7A1F0E}
.qc-verdict-tag{font-family:var(--font-data);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;border-radius:99px;padding:.18rem .55rem;white-space:nowrap;background:#E5EEF5;color:#2C4A64}
.qc-warp{font-family:var(--font-data);font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;border-radius:99px;padding:.16rem .55rem;background:var(--sun);color:#1F1400;margin-left:.35rem;white-space:nowrap}
.qc-note{font-size:.8rem;color:var(--ink-soft);margin-top:.6rem}
.qc-best-w{order:-1;border-color:var(--sun)}
.qc-help{border-top:1px solid var(--line);margin-top:2rem;padding-top:1.2rem}

/* ---------------- Buyer checklist (printable) ---------------- */
.clist{display:grid;gap:.55rem;margin-top:1.6rem}
.clist-item{display:flex;gap:.8rem;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.85rem 1.1rem;box-shadow:var(--shadow)}
.clist-item input[type=checkbox]{accent-color:var(--sun);width:1.15rem;height:1.15rem;margin-top:.22rem;flex:none}
.clist-item p{margin:0;font-size:.95rem}
.clist-item small{display:block;color:var(--ink-soft);font-size:.8rem;margin-top:.15rem}
.clist-head{font-family:var(--font-data);font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:#B86E00;margin:1.6rem 0 .2rem}
.printbar{display:flex;gap:.8rem;align-items:center;flex-wrap:wrap;margin-top:1.4rem;padding:1rem 1.2rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.printbar .muted{font-size:.85rem}
@media print{
  .site-header,.site-footer,.printbar,.hero-cta{display:none!important}
  body{background:#fff}
  .page{padding:0}
  .clist-item{break-inside:avoid;box-shadow:none}
  .print-only{display:block}
  a{text-decoration:none;color:inherit}
}

/* ---------------- Estimator ---------------- */
.estimator{margin-top:2.4rem;background:linear-gradient(160deg,var(--panel) 0%,var(--panel-2) 100%);border-radius:var(--radius);padding:1.8rem 1.8rem 1.4rem;color:#EAF3FA;box-shadow:var(--shadow-lg)}
.estimator h2{font-family:var(--font-display);font-size:1.5rem;letter-spacing:-.01em;margin:0 0 .4rem;color:#fff}
.estimator .muted{color:#B9D2E3;margin:0 0 1.2rem}
.est-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.8rem;margin-bottom:1rem}
.est-field{display:flex;flex-direction:column;gap:.35rem;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:.8rem .9rem;font-size:.85rem;color:#C7DAE8}
.est-input{display:flex;align-items:center;gap:.45rem}
.est-input input{flex:1;min-width:0;background:rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.22);border-radius:8px;padding:.55rem .6rem;font-family:var(--font-data);font-size:1rem;color:var(--lime);outline:none}
.est-input input:focus{border-color:var(--sun)}
.est-input em{font-family:var(--font-data);font-style:normal;font-size:.78rem;color:#9FBFD4;white-space:nowrap}
.est-field small{color:#9FBFD4;font-size:.75rem;line-height:1.4}
.est-assumptions{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:.6rem .95rem;margin-bottom:1rem}
.est-assumptions summary{cursor:pointer;font-weight:600;color:#FFE3B3;padding:.3rem 0}
.est-assumptions p{color:#B9D2E3;font-size:.85rem}
.est-out{display:grid;gap:.5rem}
.est-row{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:.65rem .95rem}
.est-label{color:#C7DAE8;font-size:.9rem}
.est-value{font-family:var(--font-data);font-weight:600;color:#fff;text-align:right;white-space:nowrap}
.est-hero{background:rgba(185,242,75,.12);border-color:rgba(185,242,75,.35)}
.est-hero .est-value{color:var(--lime);font-size:1.1rem}
.zone-key{font-size:.88rem;margin:.6rem 0 0}
@media (max-width:560px){.estimator{padding:1.4rem 1.1rem 1.2rem}.est-grid{grid-template-columns:1fr}.est-row{flex-direction:column;gap:.1rem;align-items:flex-start}}

/* Federal-credit checkbox (estimator) */
.est-itc{display:flex;gap:.6rem;align-items:flex-start;background:rgba(185,242,75,.08);border:1px solid rgba(185,242,75,.3);border-radius:10px;padding:.7rem .9rem;margin-bottom:1rem;color:#DCEFB0;font-size:.88rem;line-height:1.5;cursor:pointer}
.est-itc input{accent-color:var(--sun);margin-top:.2rem;flex:none;width:1rem;height:1rem}
.est-itc em{color:#B9D2E3}

/* Motion (reduced-motion respected) */
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.hero h1{animation:rise .5s ease both}
.hero .sub,.hero .stat-grid,.hero-cta{animation:rise .5s ease .08s both}
.mosaic .tile{animation:rise .35s ease both}
.tile:nth-child(4n){animation-delay:.04s}.tile:nth-child(7n){animation-delay:.08s}.tile:nth-child(11n){animation-delay:.12s}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero h1,.hero .sub,.hero .stat-grid,.hero-cta,.mosaic .tile{animation:none}
  .card,.tile,.btn{transition:none}
}

/* Responsive */
@media (max-width:900px){.mosaic{grid-template-columns:repeat(5,1fr)}.footer-cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){
  .mosaic{grid-template-columns:repeat(2,1fr)}
  .header-in{flex-direction:column;align-items:flex-start}
  .hero{padding:3rem 0}
  .steps.three{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr}
  .qrow{flex-direction:column;align-items:flex-start;gap:.3rem}
}
/* ---- Tool 04: sun look-up ---- */
.sun-lookup{display:flex;gap:.7rem;flex-wrap:wrap;align-items:flex-end;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.1rem 1.2rem;box-shadow:0 10px 30px -18px rgba(12,30,43,.18);margin:1.2rem 0}
.sun-lookup .field{display:flex;flex-direction:column;gap:.3rem}
.sun-lookup label{font-size:.8rem;color:var(--ink-soft);font-weight:500}
.sun-lookup input,.sun-lookup select{padding:.6rem .75rem;border-radius:10px;border:1px solid var(--line);background:var(--bg);font-family:var(--font-data);font-size:1rem;color:var(--ink);min-width:0}
.sun-lookup input{width:9rem;text-transform:uppercase}
.sun-lookup select{min-width:15rem}
.sun-lookup input:focus,.sun-lookup select:focus{border-color:var(--sun);outline:none;box-shadow:0 0 0 3px rgba(255,181,71,.18)}
.sun-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 30px -18px rgba(12,30,43,.18);padding:1.3rem 1.4rem;margin-bottom:1.2rem}
.sun-card h3{font-family:var(--font-data);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:#B86E00;margin:0 0 .6rem}
.sun-hero{font-family:var(--font-data);font-size:2.3rem;font-weight:600;color:var(--ink);margin:.1rem 0 .3rem;line-height:1.15}
.sun-hero em{font-style:normal;color:#B86E00;font-size:1.15rem}
.sun-chart{width:100%;height:auto;display:block;margin:.9rem 0 .5rem}
.sun-chart .sun-ml{font-family:var(--font-data);font-size:11px;fill:#5B7181}
.sun-chart .sun-avg{font-family:var(--font-data);font-size:11px}
.sun-chips{display:flex;gap:.5rem;flex-wrap:wrap;margin:.5rem 0 0}
.sun-chip{font-family:var(--font-data);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;border-radius:99px;padding:.25rem .7rem;background:#E5EEF5;color:#2C4A64;white-space:nowrap}
.sun-chip b{color:#0C1E2B}
.sun-ctl{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.sun-ctl label{font-size:.8rem;color:var(--ink-soft);font-weight:500;display:flex;flex-direction:column;gap:.35rem}
.sun-ctl select{padding:.55rem .7rem;border-radius:9px;border:1px solid var(--line);background:var(--bg);font-family:var(--font-data);color:var(--ink)}
.sun-out{display:grid;gap:.5rem;margin-top:1.1rem}
.sun-row{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:.75rem 1rem}
.sun-row span{font-size:.92rem;color:var(--ink-soft)}
.sun-row b{font-family:var(--font-data);color:#1A7F37;font-size:1.05rem;white-space:nowrap}
.sun-note{font-size:.84rem;color:var(--ink-soft);margin:.35rem 0 0;line-height:1.55}
.sun-note a{color:#B86E00;text-decoration:underline;text-underline-offset:2px}
.stat-link{text-decoration:none;transition:transform .12s ease,box-shadow .12s ease}
.stat-link:hover{transform:translateY(-1px);box-shadow:0 8px 18px -10px rgba(12,30,43,.35)}
.stat-link .stat-label{text-decoration:underline;text-decoration-style:dotted;text-underline-offset:3px}
@media (max-width:560px){.sun-hero{font-size:1.7rem}.sun-lookup select{min-width:0;width:100%}.sun-lookup input{width:100%}}
.sun-chart .sun-ml{pointer-events:none}

/* ---------------- Compare/X-vs-Y tables + related links ---------------- */
.cmp{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.92rem;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.cmp th,.cmp td{padding:.8rem 1rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.cmp thead th{background:var(--surface-2,#f6f7f9);font-size:.8rem;letter-spacing:.02em;text-transform:uppercase}
.cmp thead th:first-child{color:var(--muted,#667)}
.cmp tr:last-child td{border-bottom:none}
.cmp td strong{color:var(--ink)}
.cmp a{color:var(--accent)}

/* ---- Compare vsbar: scaling the win lists ---- */
.vsbar{display:grid;gap:.5rem;margin:1.3rem 0 .3rem;max-width:36rem}
.vsbar-head{display:flex;justify-content:space-between;gap:1.2rem;font-family:var(--font-data);font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-soft)}
.vsbar-head span{flex:1 1 0;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vsbar-head b{color:var(--ink)}
.vsbar-head span:last-child{text-align:right}
.vsbar-track{display:flex;height:.7rem;border-radius:99px;overflow:hidden;background:var(--panel);border:1px solid var(--line)}
.vsbar-a{background:var(--sun);flex:none}
.vsbar-b{flex:1}
.vsbar-note{font-family:var(--font-body);font-size:.78rem;margin:0}
@media (max-width:560px){.vsbar-head{flex-direction:column;gap:.15rem}.vsbar-head span:last-child{text-align:left}}
.related{display:flex;flex-wrap:wrap;gap:.65rem;margin:1.6rem 0}
.related a{display:inline-block;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.5rem 1rem;font-size:.88rem;box-shadow:var(--shadow);text-decoration:none}
.related a:hover{border-color:var(--accent);color:var(--accent)}

/* ---------------- Tool 05: Solar fit quiz ---------------- */
.quiz-q{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.1rem 1.2rem;margin:1rem 0;box-shadow:var(--shadow)}
.quiz-q .q-meta{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted,#667);margin-bottom:.35rem}
.quiz-q h3{font-size:1.05rem;margin:0 0 .7rem}
.quiz-opt{display:flex;gap:.6rem;align-items:flex-start;padding:.55rem .7rem;border:1px solid var(--line);border-radius:10px;margin:.35rem 0;cursor:pointer;font-size:.92rem}
.quiz-opt:hover{border-color:var(--accent)}
.quiz-opt input{margin-top:.18rem}
.quiz-opt.checked{border-color:var(--accent);background:var(--accent-soft, #fff7ec)}
.quiz-go{display:inline-block;margin:1.2rem 0 .4rem;padding:.85rem 1.6rem;border:none;border-radius:999px;background:var(--accent,#ff8a3d);color:#1b1426;font-weight:700;font-size:1rem;cursor:pointer;box-shadow:var(--shadow)}
.quiz-go:hover{filter:brightness(1.06)}
.quiz-banner{background:var(--surface);border:1px solid var(--line);border-left:5px solid #ffb454;border-radius:14px;padding:1.4rem;margin:1.2rem 0;box-shadow:var(--shadow)}
.quiz-banner.qb-green{border-left-color:#4caf50}
.quiz-banner h3{margin:.4rem 0 .5rem}
.qb-score{display:flex;align-items:baseline;gap:.5rem}
.qb-num{font-size:2.6rem;font-weight:800;line-height:1}
.qb-of{font-size:.8rem;color:var(--muted,#667)}
.quiz-advice{list-style:none;padding:0;margin:.9rem 0;display:grid;gap:.5rem}
.quiz-advice li{background:var(--surface-2,#f6f7f9);border:1px solid var(--line);border-radius:10px;padding:.7rem .9rem;font-size:.92rem}
.quiz-advice li strong{display:block;margin-bottom:.15rem}
.quiz-cta{display:flex;flex-wrap:wrap;gap:.6rem;margin:1rem 0 .6rem}