:root { color-scheme: light; --ink:#17302b; --forest:#173e35; --forest-2:#21584a; --cream:#f7f2e7; --paper:#fffdf8; --sage:#dbe4d6; --line:#d6ddd4; --orange:#b54518; --orange-dark:#963710; --muted:#53645d; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:94px; }
body { margin:0; color:var(--ink); background:var(--paper); font:16px/1.6 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; }
[hidden] { display:none !important; }
::selection { color:white; background:var(--forest-2); }
a { color:inherit; text-underline-offset:.2em; }
button { font:inherit; }
button,a { -webkit-tap-highlight-color:rgb(23 62 53 / .12); }
:focus-visible { outline:3px solid var(--forest-2); outline-offset:5px; }
.hero :focus-visible,footer :focus-visible,.closing :focus-visible,.mobile-bar :focus-visible { outline-color:#ffb481; }
.skip-link { position:fixed; z-index:100; left:12px; top:10px; transform:translateY(-160%); padding:12px 18px; color:var(--ink); background:white; }
.skip-link:focus { transform:none; }
.site-header { min-height:74px; padding:12px clamp(22px,5vw,72px); display:flex; gap:20px; align-items:center; justify-content:space-between; border-bottom:1px solid var(--line); background:var(--paper); position:sticky; top:0; z-index:20; }
.brand { display:inline-flex; align-items:center; gap:10px; text-decoration:none; font-size:18px; }
.brand-mark { display:grid; place-items:center; flex-shrink:0; width:36px; height:36px; border-radius:50% 50% 50% 12px; color:white; background:var(--forest); font:800 22px Georgia,serif; }
.header-link { display:inline-flex; align-items:center; gap:10px; min-height:44px; font-size:14px; font-weight:650; }
h1,h2,h3,p { margin-top:0; }
h1,h2,h3 { text-wrap:balance; }
h1 { margin-bottom:24px; font:700 clamp(48px,5.5vw,80px)/1.04 Georgia,"Times New Roman",serif; letter-spacing:-.035em; }
h1 em { color:#ffb481; }
h2 { margin-bottom:16px; font:700 clamp(34px,3.8vw,52px)/1.12 Georgia,serif; letter-spacing:-.025em; }
h3 { font:700 28px/1.15 Georgia,serif; letter-spacing:-.015em; }
.hero { display:grid; grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr); gap:clamp(40px,6vw,90px); align-items:center; padding:clamp(60px,7vw,100px) clamp(22px,7vw,108px); color:white; background:var(--forest); }
.hero-copy { max-width:730px; }
.hero-lead { max-width:57ch; color:#deebe5; font-size:clamp(17px,1.6vw,20px); }
.hero-actions { display:flex; align-items:center; flex-wrap:wrap; gap:20px 26px; margin:30px 0 24px; }
.button { min-height:48px; padding:14px 20px; border:0; border-radius:9px; display:inline-flex; align-items:center; justify-content:center; gap:12px; cursor:pointer; text-align:center; text-decoration:none; font-weight:750; line-height:1.4; color:#fff; background:var(--orange); transition:background .18s ease-out; }
.button:hover { background:var(--orange-dark); }
.button:active { transform:translateY(1px); }
.text-link { display:inline-flex; align-items:center; min-height:44px; color:white; font-weight:650; }
.hero-categories { display:flex; flex-wrap:wrap; gap:6px 12px; margin-bottom:20px; font-size:14px; color:#e0ece6; }
.hero-categories span { color:#9dbeb1; }
.hero-disclosure { max-width:65ch; font-size:13px; line-height:1.6; margin-bottom:0; color:#c7ddd2; }
.hero-disclosure a { white-space:nowrap; }
.hero-visual { position:relative; width:min(100%,480px); justify-self:center; }
.blueprint-card { padding:24px; border:1px solid #618579; border-radius:16px; transform:rotate(2deg); }
.blueprint-top { display:flex; flex-wrap:wrap; gap:10px; justify-content:space-between; padding-bottom:20px; font-size:12px; font-weight:650; }
.blueprint-top > span:last-child { color:#bce3cc; }
.blueprint-drawing { position:relative; height:260px; border:1px solid #618579; background-image:linear-gradient(rgb(255 255 255 / .08) 1px,transparent 1px),linear-gradient(90deg,rgb(255 255 255 / .08) 1px,transparent 1px); background-size:22px 22px; overflow:hidden; }
.project-shape { position:absolute; inset:68px 68px 62px; border:3px solid #ffb481; transform:skewY(-4deg); }
.project-shape::before,.project-shape::after { content:""; position:absolute; background:#ffb481; }
.project-shape::before { left:22%; top:-32px; width:3px; height:calc(100% + 64px); box-shadow:90px 0 0 #ffb481; }
.project-shape::after { left:-22px; right:-22px; top:43%; height:3px; }
.measure { position:absolute; font:600 12px/1 ui-monospace,monospace; color:#d5e6df; }
.measure-one { left:42%; top:30px; }
.measure-two { left:24px; top:49%; transform:rotate(-90deg); }
.blueprint-bottom { display:grid; grid-template-columns:auto 1fr; gap:6px 16px; padding-top:18px; font-size:13px; }
.blueprint-bottom span { color:#c6dcd1; }
.section-wrap { padding:clamp(60px,7vw,96px) clamp(22px,7vw,108px); }
.offers { background:var(--cream); }
.section-heading { max-width:700px; margin-bottom:30px; }
.section-heading p { max-width:65ch; color:var(--muted); }
.goal-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.goal-card { padding:22px 20px; display:flex; align-items:center; justify-content:space-between; gap:14px; text-align:left; color:var(--ink); border:2px solid var(--line); border-radius:12px; background:var(--paper); cursor:pointer; }
.goal-card:hover { border-color:var(--forest-2); }
.goal-card[aria-pressed="true"] { border-color:var(--forest); background:var(--sage); }
.goal-card > span:first-child { display:flex; flex-direction:column; gap:7px; }
.goal-card strong { font:700 23px/1.15 Georgia,serif; }
.goal-card small { font-size:14px; color:var(--muted); }
.goal-card > span:last-child { font-size:24px; color:var(--orange); }
.selection-status { margin:18px 0 28px; min-height:26px; color:var(--muted); font-size:14px; }
.offer-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); align-items:stretch; gap:22px; }
.offer-card { min-width:0; border:2px solid var(--line); border-radius:16px; overflow:hidden; background:var(--paper); scroll-margin-top:100px; }
.offer-card.recommended { border-color:var(--forest); }
.offer-visual { height:176px; padding:18px 22px; display:flex; flex-direction:column; justify-content:space-between; align-items:center; color:#f7f2e7; background:var(--forest); }
.energy-visual { background:#70521c; }
.security-visual { background:#304b67; }
.offer-visual svg { width:min(100%,230px); height:118px; stroke:currentColor; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.diagram-panel { fill:#304b67; }
.offer-visual > span { font-size:12px; font-weight:650; letter-spacing:.04em; }
.offer-body { padding:24px; }
.offer-category { color:var(--orange); font-size:14px; font-weight:750; margin-bottom:10px; }
.offer-body h3 { margin-bottom:14px; }
.offer-intro { color:var(--muted); min-height:100px; font-size:16px; }
.best-for { color:var(--muted); font-size:14px; min-height:72px; margin-bottom:20px; }
.best-for strong { display:block; color:var(--ink); }
.offer-body details { margin:0 0 24px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
summary { cursor:pointer; min-height:48px; padding:14px 0; font-weight:650; }
details ul { margin-top:0; padding-left:20px; color:var(--muted); font-size:15px; }
details li { margin-bottom:10px; }
.button-full { width:100%; }
.link-note { margin:12px 0 0; font-size:12px; line-height:1.5; text-align:center; color:var(--muted); }
.buyer-guide { display:grid; grid-template-columns:1fr 1.1fr; gap:clamp(40px,7vw,100px); }
.buyer-heading > p { max-width:55ch; color:var(--muted); }
.buyer-steps { padding:0; margin:0; list-style:none; counter-reset:buyer; }
.buyer-steps li { position:relative; padding:0 0 24px 50px; counter-increment:buyer; }
.buyer-steps li::before { content:counter(buyer); position:absolute; left:0; top:0; display:grid; place-items:center; width:32px; height:32px; color:white; background:var(--forest); border-radius:50%; font-variant-numeric:tabular-nums; }
.buyer-steps h3 { font-size:23px; margin-bottom:8px; }
.buyer-steps p { color:var(--muted); margin-bottom:0; }
.faq { padding-top:0; display:grid; grid-template-columns:1fr 1.1fr; gap:clamp(40px,7vw,100px); }
.faq-list details { border-bottom:1px solid var(--line); }
.faq-list details:first-child { border-top:1px solid var(--line); }
.faq-list summary { padding-block:20px; }
.faq-list p { color:var(--muted); max-width:65ch; }
.closing { text-align:center; color:white; background:var(--forest); }
.closing p { color:#deebe5; }
.closing .button { margin-top:10px; }
footer { display:grid; grid-template-columns:1fr 1.2fr; gap:40px; color:#d0e0d7; background:#112b25; }
.footer-brand { color:white; }
footer p { font-size:14px; }
footer > div:first-child p { margin:14px 0 0; }
.disclosure { scroll-margin-top:100px; }
.disclosure strong { color:white; font-size:15px; }
.disclosure p { max-width:65ch; margin:8px 0 0; }
.copyright { grid-column:1/-1; margin:0; padding-top:24px; border-top:1px solid #476457; display:flex; flex-wrap:wrap; gap:10px 24px; justify-content:space-between; }
.mobile-bar { display:none; }
nav[aria-label="Site information"] { padding-block:20px; }
nav[aria-label="Site information"] p { display:flex; flex-wrap:wrap; align-items:center; gap:8px 16px; margin:0; }
nav[aria-label="Site information"] a, .copyright a, .brand { display:inline-flex; align-items:center; min-height:44px; }
.hero-disclosure a { display:inline-block; min-height:44px; padding-block:10px; }
@media (max-width:1050px) {
  .hero { gap:38px; grid-template-columns:1.2fr .8fr; }
  .blueprint-card { padding:16px; }
  .blueprint-drawing { height:220px; }
  .project-shape { inset:64px 46px 54px; }
  .goal-grid,.offer-grid { gap:14px; }
  .goal-card { padding:18px 14px; }
  .offer-body { padding:20px; }
  .offer-intro { min-height:154px; }
  .offer-body h3 { min-height:64px; }
}
@media (max-width:800px) {
  .hero { grid-template-columns:1fr; }
  .hero-visual { display:none; }
  h1 { max-width:680px; }
  .goal-grid,.offer-grid { grid-template-columns:1fr; }
  .goal-card { padding:20px; }
  .offer-card { display:grid; grid-template-columns:.72fr 1.28fr; }
  .offer-visual { height:100%; min-height:240px; justify-content:center; gap:24px; }
  .offer-visual > span { text-align:center; }
  .offer-intro,.best-for,.offer-body h3 { min-height:0; }
  .buyer-guide,.faq { grid-template-columns:1fr; gap:24px; }
  .buyer-heading { max-width:650px; }
  .buyer-heading h2 br { display:none; }
  footer { grid-template-columns:1fr; gap:28px; }
}
@media (max-width:540px) {
  html { scroll-padding-top:86px; }
  .site-header { padding:10px 18px; min-height:68px; gap:12px; }
  .brand { font-size:16px; gap:8px; }
  .brand-mark { width:32px; height:32px; }
  .header-link { font-size:12px; gap:4px; }
  .header-link span { display:none; }
  .hero { padding:44px 20px 48px; }
  h1 { font-size:clamp(39px,10.8vw,57px); }
  .hero-lead { font-size:17px; }
  .hero-actions { align-items:stretch; flex-direction:column; gap:8px; margin-block:26px 20px; }
  .text-link { justify-content:center; }
  .hero-categories { gap:4px 8px; font-size:13px; }
  .section-wrap { padding:52px 18px; }
  h2 { font-size:35px; }
  .offer-card { display:block; }
  .offer-visual { height:155px; min-height:0; padding:14px 22px; gap:0; }
  .offer-visual svg { height:108px; }
  .offer-body { padding:24px; }
  .offer-body h3 { font-size:30px; }
  .selection-status { margin-bottom:22px; }
  .faq { padding-top:0; }
  .mobile-bar:not([hidden]) { display:flex; }
  .mobile-bar { position:fixed; z-index:30; bottom:max(10px,env(safe-area-inset-bottom)); left:10px; right:10px; padding:10px 12px; border-radius:12px; align-items:center; justify-content:space-between; gap:12px; color:white; background:var(--forest); box-shadow:0 8px 32px rgb(0 0 0 / .22); }
  .mobile-bar > div { min-width:0; }
  .mobile-bar small { display:block; color:#c7ddd2; font-size:12px; }
  .mobile-bar strong { display:block; font-size:14px; line-height:1.3; }
  .mobile-bar .button { flex-shrink:0; padding:12px 14px; font-size:14px; }
  .has-selection footer { padding-bottom:calc(130px + env(safe-area-inset-bottom)); }
  .has-selection nav[aria-label="Site information"] { padding-bottom:calc(100px + env(safe-area-inset-bottom)); }
  .has-selection .offer-card { scroll-margin-bottom:100px; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  .button { transition:none; }
  .button:active { transform:none; }
}