/* greensource.info — green energy site */
:root{
  --bg:#f4f7f2;
  --bg-alt:#e8f0e4;
  --paper:#fff;
  --ink:#15241b;
  --muted:#3d5246;
  --line:#c9d6cb;
  --brand:#157a45;
  --brand-dark:#0f5c34;
  --brand-soft:#d7efe2;
  --link:#0f6b45;
  --link-hover:#0a4d31;
  --amazon:#0f5c34;
  --ebay:#1a4a8a;
  --warn:#5c4a12;
  --warn-bg:#f8f1d8;
  --radius:14px;
  --shadow:0 1px 2px rgba(21,36,27,.06),0 8px 24px rgba(21,36,27,.06);
  --max:44rem;
  --wide:68rem;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:18px;line-height:1.65;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto}
a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--link-hover)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--brand);outline-offset:2px
}
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:.5rem 1rem;z-index:10}
.skip:focus{left:1rem;top:1rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.15rem}
.wrap-wide{max-width:var(--wide);margin:0 auto;padding:0 1.15rem}

header.site{background:#103c28;color:#e8f6ee;position:sticky;top:0;z-index:5;box-shadow:0 1px 0 rgba(0,0,0,.15)}
header.site a{color:#e8f6ee;text-decoration:none}
header.site a:hover{color:#fff;text-decoration:underline}
.header-inner{max-width:var(--wide);margin:0 auto;padding:.7rem 1.15rem;display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:750;letter-spacing:-.02em;font-size:1.15rem}
.logo svg{flex:none}
nav.primary{display:flex;flex-wrap:wrap;gap:.15rem .95rem;font-size:.95rem}
nav.primary a[aria-current="page"]{text-decoration:underline;text-underline-offset:4px}

.hero{background:linear-gradient(160deg,#103c28 0%,#1a6b42 55%,#2a8a55 100%);color:#f4fff8;padding:2.6rem 0 2.4rem}
.hero h1{margin:0 0 .6rem;font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.2;letter-spacing:-.03em}
.hero p{margin:0;max-width:38rem;font-size:1.12rem;color:#dff0e6}
.hero .wrap{max-width:var(--wide)}

main{padding:1.75rem 0 3rem}
h1,h2,h3{line-height:1.25;letter-spacing:-.02em}
h1{font-size:clamp(1.7rem,3.4vw,2.2rem);margin:0 0 .8rem}
h2{font-size:1.35rem;margin:2rem 0 .7rem}
h3{font-size:1.08rem;margin:1.3rem 0 .4rem}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem;padding-left:1.2rem}
li{margin:.3rem 0}
.lede{font-size:1.12rem;color:var(--muted)}
.meta-line{color:var(--muted);font-size:.92rem;margin:0 0 1.1rem}

.card-grid,.guide-grid,.res-grid{display:grid;gap:1rem;grid-template-columns:1fr}
@media(min-width:640px){
  .guide-grid,.res-grid{grid-template-columns:1fr 1fr}
  .pick-grid{grid-template-columns:1fr 1fr}
}
@media(min-width:900px){
  .guide-grid{grid-template-columns:1fr 1fr 1fr}
}
.card,.g-card,.res-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.05rem 1.15rem;box-shadow:var(--shadow);text-decoration:none;color:inherit;display:block
}
a.g-card:hover,a.res-card:hover{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.g-card h2,.res-card h2,.g-card h3,.res-card h3{margin:.15rem 0 .35rem;font-size:1.12rem;color:var(--brand-dark)}
.g-card p,.res-card p{margin:0;color:var(--muted);font-size:.98rem}
.icon-row{display:flex;align-items:center;gap:.55rem;margin-bottom:.35rem}
.icon-blob{width:2.2rem;height:2.2rem;border-radius:10px;background:var(--brand-soft);display:grid;place-items:center;flex:none}
.kicker{text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;font-weight:700;color:var(--brand);margin:0 0 .35rem}

.picks{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.15rem 1rem;margin:1.3rem 0 1.5rem;box-shadow:var(--shadow)}
.picks>h2{margin:.1rem 0 .8rem}
.pick-grid{display:grid;gap:1rem;grid-template-columns:1fr}
.pick-col{background:var(--bg-alt);border-radius:12px;padding:.85rem 1rem}
.pick-col h3{margin:0 0 .45rem;font-size:1rem}
.pick-col ul{margin:0;padding-left:1.1rem}
.pick-col a.amz{color:var(--amazon);font-weight:600}
.pick-col a.ebay{color:var(--ebay);font-weight:600}
.disc,.fine{font-size:.86rem;color:var(--muted);margin:.85rem 0 0}
.ctx a[rel*="sponsored"]{font-weight:600}

.resources{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.15rem;margin:2rem 0 1.5rem}
.resources h2{margin:.1rem 0 .7rem}
.resources ul{margin:0}
.resources li{margin:.45rem 0}
.resources .why{color:var(--muted);font-size:.92rem}

.callout{background:var(--warn-bg);border:1px solid #e4d39a;border-radius:12px;padding:.9rem 1rem;margin:1.1rem 0 1.3rem;color:var(--warn)}
.callout p{margin:0}

.crumbs{font-size:.88rem;color:var(--muted);margin:0 0 1rem}
.crumbs a{color:var(--muted)}

.sale-note{background:var(--paper);border:1px dashed var(--line);border-radius:12px;padding:.9rem 1rem;margin:2rem 0 0;font-size:.95rem}
.sale-note strong{color:var(--brand-dark)}

.offer{max-width:32rem;margin:1.25rem auto 0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.15rem;text-align:left}
.offer h2{margin:0 0 .35rem;text-align:center}
.offer .ask{margin:0 0 .9rem;color:var(--muted);font-size:.95rem;text-align:center}
.offer label{display:block;margin:.75rem 0 .3rem;font-size:.9rem;font-weight:600}
.offer input,.offer textarea{width:100%;padding:.7rem .75rem;border-radius:10px;border:1px solid #b7c6ba;background:#fff;color:var(--ink);font-size:1rem;font-family:inherit}
.offer textarea{min-height:5.5rem}
.offer button{display:block;width:100%;margin:1rem 0 .4rem;background:var(--brand);color:#fff;border:0;padding:.8rem 1.1rem;border-radius:10px;font-weight:700;font-size:1rem;cursor:pointer}
.offer button:hover{background:var(--brand-dark)}
.offer .fine{margin:.4rem 0 0;text-align:center}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

footer.site{background:#103c28;color:#d7e8dd;padding:2rem 0 2.4rem;margin-top:1rem;font-size:.92rem}
footer.site a{color:#c8efd6}
footer.site .wrap{max-width:var(--wide)}
.foot-nav{display:flex;flex-wrap:wrap;gap:.4rem 1rem;margin:0 0 1rem}
.foot-disc{opacity:.92;max-width:46rem}

.toc{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:.8rem 1rem;margin:0 0 1.4rem}
.toc h2{margin:0 0 .4rem;font-size:1rem}
.toc ol{margin:0;padding-left:1.2rem;font-size:.95rem}

.res-section{margin:0 0 2rem}
.res-section h2{border-bottom:2px solid var(--brand-soft);padding-bottom:.3rem}

.legal h1{margin-bottom:.5rem}