:root{
  --green:#2e7d32; --green-dark:#1b5e20; --ink:#1d2421; --muted:#6b7770;
  --bg:#ffffff; --bg-alt:#f4f7f3; --line:#e2e8e0; --radius:10px;
  --max:1140px; --font:"Helvetica Neue",Arial,system-ui,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55}
img{max-width:100%;display:block}
a{color:var(--green-dark);text-decoration:none}
h1,h2{line-height:1.15;margin:0 0 .4em}

/* header */
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:.6rem 1.2rem;background:#fff;border-bottom:1px solid var(--line)}
.brand img{height:85px;width:auto;display:block}
.site-nav{display:flex;align-items:center;gap:1.4rem}
.site-nav a{font-weight:600;color:var(--ink);transition:color .3s,text-shadow .3s}
.site-nav a:hover{color:var(--green)}
.nav-toggle{display:none;font-size:1.6rem;background:none;border:0;cursor:pointer;color:var(--ink)}
.has-dropdown{position:relative;display:inline-flex;align-items:center}
.has-dropdown>a::after{content:"";display:inline-block;margin-left:.35rem;border:.3rem solid transparent;
  border-top-color:currentColor;transform:translateY(.15rem)}
.dropdown{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:230px;
  flex-direction:column;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 8px 24px rgba(0,0,0,.12);padding:.4rem 0;z-index:30}
.dropdown a{display:block;padding:.55rem 1.1rem;white-space:nowrap;font-weight:600;color:var(--ink);text-shadow:none}
.dropdown a:hover{background:var(--wash,#f2f5f1);color:var(--green)}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{display:flex}
/* keep the menu reachable across the gap between trigger and panel */
.has-dropdown::after{content:"";position:absolute;top:100%;left:0;right:0;height:.6rem}
.brand .logo-white{display:none}

/* homepage: transparent header over hero, solid on scroll */
body.home .site-header{position:fixed;left:0;right:0;background:transparent;border-bottom-color:transparent;
  transition:background .3s,box-shadow .3s,border-color .3s}
body.home .site-header::before{content:"";position:absolute;left:0;right:0;top:0;height:150px;z-index:-1;
  pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.5),rgba(0,0,0,0));transition:opacity .3s}
body.home .brand{position:relative;display:block}
body.home .brand img{transition:opacity .3s}
body.home .site-header .logo-white{display:block;opacity:1}
body.home .site-header .logo-color{display:block;opacity:0;position:absolute;top:0;left:0}
body.home .site-header .site-nav a{color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.4)}
body.home .site-header .nav-toggle{color:#fff}
body.home .site-header.scrolled{position:fixed;background:#fff;border-bottom-color:var(--line);box-shadow:0 2px 10px rgba(0,0,0,.08)}
body.home .site-header.scrolled::before{opacity:0}
body.home .site-header.scrolled .logo-white{opacity:0}
body.home .site-header.scrolled .logo-color{opacity:1}
body.home .site-header.scrolled .site-nav a{color:var(--ink);text-shadow:none}
body.home .site-header.scrolled .nav-toggle{color:var(--ink)}

/* Dropdown panel is always a solid white card, so its links stay dark whatever
   the header is doing behind it. Extra .site-nav beats body.home .site-header .site-nav a. */
body.home .site-header .site-nav .dropdown a{color:var(--ink);text-shadow:none}
body.home .site-header .site-nav .dropdown a:hover{color:var(--green)}
/* While the menu is open over the hero, make the header solid so the panel
   doesn't float against a transparent bar. */
body.home .site-header:has(.has-dropdown:hover),
body.home .site-header:has(.has-dropdown:focus-within){
  background:#fff;border-bottom-color:var(--line);box-shadow:0 2px 10px rgba(0,0,0,.08)}
body.home .site-header:has(.has-dropdown:hover)::before,
body.home .site-header:has(.has-dropdown:focus-within)::before{opacity:0}
body.home .site-header:has(.has-dropdown:hover) .site-nav>a,
body.home .site-header:has(.has-dropdown:focus-within) .site-nav>a,
body.home .site-header:has(.has-dropdown:hover) .has-dropdown>a,
body.home .site-header:has(.has-dropdown:focus-within) .has-dropdown>a{
  color:var(--ink);text-shadow:none}
body.home .site-header:has(.has-dropdown:hover) .site-nav>a.btn-call,
body.home .site-header:has(.has-dropdown:focus-within) .site-nav>a.btn-call{color:#fff}
body.home .site-header:has(.has-dropdown:hover) .logo-white,
body.home .site-header:has(.has-dropdown:focus-within) .logo-white{opacity:0}
body.home .site-header:has(.has-dropdown:hover) .logo-color,
body.home .site-header:has(.has-dropdown:focus-within) .logo-color{opacity:1}

/* buttons */
.btn{display:inline-block;padding:.7rem 1.2rem;border-radius:var(--radius);font-weight:700;cursor:pointer}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark)}
.btn-outline{border:2px solid var(--green);color:var(--green)}
.btn-outline:hover{background:var(--green);color:#fff}
.btn-call{background:var(--green);color:#fff;padding:.5rem 1rem}

/* hero slider */
.hero{position:relative;overflow:hidden;color:#fff;min-height:640px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity .8s ease;z-index:1}
.hero-bg.is-active{opacity:1}
.hero::before{content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(90deg,rgba(0,0,0,.66),rgba(0,0,0,.2))}
.hero-inner{position:relative;z-index:3;width:100%;max-width:var(--max);margin:0 auto;padding:2.5rem 1.2rem;
  display:flex;align-items:center;justify-content:space-between;gap:2.5rem}
.hero-text{flex:1 1 auto;max-width:34rem;min-height:240px;display:flex;flex-direction:column;justify-content:center}
.hero-slide-text{display:none}
.hero-slide-text.is-active{display:block;animation:fadeUp .6s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero h1,.hero h2{font-size:3rem;max-width:16ch}
.hero p{font-size:1.25rem;max-width:38ch;margin:0 0 1.6rem}

/* slider controls */
.hero-dots{position:absolute;z-index:4;left:0;right:0;bottom:1.1rem;display:flex;justify-content:center;gap:.5rem}
.hero-dots button{width:11px;height:11px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;padding:0}
.hero-dots button.is-active{background:#fff}
.hero-arrow{position:absolute;z-index:4;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.35);
  color:#fff;border:0;width:44px;height:44px;border-radius:50%;font-size:1.7rem;line-height:1;cursor:pointer}
.hero-arrow:hover{background:rgba(0,0,0,.6)}
.hero-arrow.prev{left:14px}.hero-arrow.next{right:14px}

/* propane card inside hero */
.hero-propane{flex:0 0 320px;max-width:320px;background:rgba(255,255,255,.96);color:var(--ink);
  border-radius:14px;padding:1.6rem;text-align:center;box-shadow:0 12px 40px rgba(0,0,0,.35)}
.hp-badge{display:inline-block;background:var(--green);color:#fff;font-weight:700;font-size:.8rem;
  letter-spacing:.04em;text-transform:uppercase;padding:.3rem .8rem;border-radius:999px}
.hp-price{font-size:3.4rem;font-weight:800;color:var(--green-dark);line-height:1;margin:.7rem 0 .3rem}
.hp-price small{display:block;font-size:.95rem;font-weight:600;color:var(--muted)}
.hero-propane p{font-size:1rem;color:var(--ink);max-width:none;margin:.4rem 0 1rem}
.hero-propane img{width:130px;margin:0 auto 1.1rem;border-radius:8px}
.hero-propane .btn{width:100%}

/* sections */
.section{max-width:var(--max);margin:0 auto;padding:3.2rem 1.2rem}
.section-alt{background:var(--bg-alt);max-width:none}
.section-alt>*{max-width:var(--max);margin-left:auto;margin-right:auto}
.section h2{font-size:1.9rem}
.section-sub{color:var(--muted);margin:0 0 1.6rem}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.card{position:relative;border-radius:var(--radius);overflow:hidden;background:#000;aspect-ratio:4/3}
.card img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:.25s}
.card span{position:absolute;left:0;right:0;bottom:0;padding:.9rem 1rem;color:#fff;font-weight:700;
  font-size:1.15rem;background:linear-gradient(0deg,rgba(0,0,0,.75),transparent)}
.card:hover img{opacity:1;transform:scale(1.04)}

/* catalog links */
.catalog-links{display:flex;gap:1rem;flex-wrap:wrap}

/* propane */
.propane-strip{background:var(--green-dark);color:#fff;max-width:none}
.propane-inner{max-width:var(--max);margin:0 auto;display:flex;align-items:center;gap:2rem;flex-wrap:wrap}
.propane-inner img{width:280px;border-radius:var(--radius)}
.propane-inner h2{color:#fff}
.propane-inner .btn-primary{background:#fff;color:var(--green-dark)}

/* location */
.location-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:1.6rem;align-items:start}
.photo-pair{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.photo-pair figure{margin:0}
.photo-pair img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius)}
.photo-pair figcaption{margin-top:.6rem;font-size:.95rem;color:var(--muted)}
.map{width:100%;height:340px;border:0;border-radius:var(--radius)}
.muted{color:var(--muted)}
.hours{border-collapse:collapse;margin:.2rem 0 1.2rem}
.hours th{text-align:left;font-weight:700;padding:.25rem 1.4rem .25rem 0;white-space:nowrap}
.hours td{padding:.25rem 0;color:var(--ink)}

/* footer */
.site-footer{background:var(--ink);color:#cfd8d3;text-align:center;padding:1.4rem 1rem}
.site-footer a{color:#fff}
.footer-social{margin:0 0 .7rem}
.footer-social a{display:inline-flex;align-items:center;gap:.45rem;font-weight:600}
.footer-social a:hover{color:#cfd8d3}
.footer-social svg{width:20px;height:20px;fill:currentColor}

/* ---- inner pages ---- */
.page-hero{position:relative;color:#fff;background-size:cover;background-position:center;
  min-height:300px;display:flex;align-items:flex-end}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.62),rgba(0,0,0,.3))}
.page-hero-inner{position:relative;width:100%;max-width:var(--max);margin:0 auto;padding:2rem 1.2rem}
.page-hero h1{font-size:2.6rem;margin:0}
.page-hero p{font-size:1.2rem;margin:.4rem 0 0;max-width:48ch}
.breadcrumb{font-size:.9rem;opacity:.92;margin:0 0 .5rem}
.breadcrumb a{color:#fff;text-decoration:underline}
.prose{max-width:62ch;font-size:1.12rem;margin:0 0 2rem}
.subhead{font-size:1.7rem;margin:2.6rem 0 .2rem}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.product-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.product-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.product-card figcaption{padding:1rem}
.product-card h3{margin:0 0 .3rem;font-size:1.15rem;color:var(--green-dark)}
.product-card p{margin:0;color:var(--muted);font-size:.96rem}
a.product-card{transition:box-shadow .2s,transform .2s}
a.product-card:hover{box-shadow:0 8px 20px rgba(0,0,0,.12);transform:translateY(-3px)}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;margin:1rem 0 2.6rem}
.feature img{width:100%;border-radius:var(--radius)}
.feature .feature-body p{margin:0 0 1rem;font-size:1.05rem}
.collection-list{columns:2;max-width:46rem;margin:.4rem 0 1.4rem;padding-left:1.1rem}
.collection-list li{margin:.22rem 0}
.cta-band{background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;
  gap:1.6rem;flex-wrap:wrap;text-align:center;padding:2.6rem 1.2rem}
.cta-band h2{color:#fff;margin:0}
.cta-band p{margin:.3rem 0 0}
.cta-band .btn-primary{background:#fff;color:var(--green-dark)}
.calc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin:0 0 1.6rem}
.calc{border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;background:var(--bg-alt)}
.calc h2{font-size:1.25rem;margin:0 0 .2rem}
.calc-note{color:var(--muted);font-size:.92rem;margin:0 0 1rem}
.calc label{display:flex;flex-direction:column;font-weight:600;font-size:.92rem;margin:0 0 .7rem}
.calc label span{font-weight:400;color:var(--muted)}
.calc input{margin-top:.25rem;padding:.6rem .7rem;border:1px solid var(--line);border-radius:8px;font-size:1rem}
.calc input:focus{outline:2px solid var(--green);border-color:var(--green)}
.calc-result{margin-top:.4rem;padding:.8rem;text-align:center;font-size:1.3rem;font-weight:800;
  color:var(--green-dark);background:#fff;border-radius:8px;border:1px solid var(--line)}
.calc-tip{background:#eef5ec;border-left:4px solid var(--green);padding:1rem 1.2rem;border-radius:8px;max-width:62ch}
@media(max-width:780px){ .calc-grid{grid-template-columns:1fr} }
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:1.6rem 0 2.4rem}
.value{background:var(--bg-alt);border-radius:var(--radius);padding:1.1rem 1.2rem}
.value strong{display:block;font-size:1.2rem;color:var(--green-dark);margin-bottom:.2rem}
.value span{color:var(--muted);font-size:.93rem}
@media(max-width:780px){ .values{grid-template-columns:1fr 1fr} }
@media(max-width:480px){ .values{grid-template-columns:1fr} }
.breadcrumb-link{margin:0 0 .4rem}
.pdf-embed{width:100%;height:82vh;min-height:480px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:1rem 0 .6rem;background:var(--bg-alt)}
.pdf-embed iframe{width:100%;height:100%;border:0}
@media(max-width:780px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .page-hero h1{font-size:2rem}
  .collection-list{columns:1}
  .feature{grid-template-columns:1fr;gap:1.2rem}
}
@media(max-width:480px){ .product-grid{grid-template-columns:1fr} }

@media(max-width:780px){
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;top:100%;right:0;left:0;flex-direction:column;
    align-items:flex-start;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:.6rem 1.2rem}
  .site-nav.open{display:flex}
  .site-nav a{padding:.6rem 0;width:100%}
  body.home .site-header .site-nav a{color:var(--ink);text-shadow:none}
  .has-dropdown{display:block;width:100%;position:static}
  .has-dropdown>a::after{display:none}
  .has-dropdown::after{display:none}
  .dropdown{display:flex;position:static;transform:none;min-width:0;width:100%;border:0;border-radius:0;
    box-shadow:none;padding:0 0 .4rem;background:transparent}
  .dropdown a{padding:.45rem 0 .45rem 1rem;font-weight:500;font-size:.95rem;border-left:2px solid var(--line)}
  .dropdown a:hover{background:transparent}
  .site-nav a.btn-call{width:100%;text-align:center;padding:.7rem 1rem;margin-top:.6rem}
  body.home .site-header .site-nav a.btn-call{color:#fff;text-shadow:none}
  .hero{min-height:0}
  .hero-inner{flex-direction:column;align-items:flex-start;gap:1.8rem;padding:7rem 1.2rem 3rem}
  .hero-text{min-height:0}
  .hero h1,.hero h2{font-size:2.1rem}
  .hero-propane{flex-basis:auto;max-width:none;width:100%;text-align:center}
  .hero-arrow{display:none}
  .grid{grid-template-columns:repeat(2,1fr)}
  .location-grid{grid-template-columns:1fr}
}
@media(max-width:480px){ .grid{grid-template-columns:1fr} .photo-pair{grid-template-columns:1fr} }