:root{
  --green:#008560;--green-dk:#006647;--gold:#F5A623;--ink:#1A1A1A;
  --grey:#F5F6F7;--line:#e3e6e8;--muted:#6b7177;--radius:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--grey);line-height:1.5}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-dk);text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:0 16px}
h1,h2,h3{line-height:1.25}

/* header */
.site-header{background:#fff;border-bottom:3px solid var(--green);position:sticky;top:0;z-index:50;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.header-inner{display:flex;align-items:center;gap:18px;height:60px;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.3rem;color:var(--green)}
.brand:hover{text-decoration:none}
.primary-nav{display:flex;gap:14px;flex:1}
.primary-nav a{color:var(--ink);font-weight:600}
.header-search input{border:1px solid var(--line);border-radius:var(--radius);padding:7px 10px;width:180px;font:inherit}

/* footer */
.site-footer{background:#0c1a14;color:#cfd8d3;margin-top:48px;padding:32px 0}
.footer-inner{display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center}
.footer-nav{display:flex;gap:14px;flex-wrap:wrap}
.footer-nav a,.footer-social a{color:#9fb3aa}

/* buttons */
.btn{display:inline-block;padding:10px 16px;border-radius:var(--radius);font-weight:700;cursor:pointer;border:0}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dk);text-decoration:none;color:#fff}
.btn-light{background:#fff;color:var(--green-dk)}
.btn-large{padding:14px 22px;font-size:1.05rem;width:100%;text-align:center}

/* hero */
.hero{background:linear-gradient(135deg,var(--green),var(--green-dk));color:#fff;padding:54px 0}
.hero-title{font-size:2rem;max-width:760px;margin:0 0 18px}
section{margin-top:36px}
.section-title{font-size:1.4rem;margin-bottom:14px}

/* category cards */
.cat-grid{display:grid;gap:14px;grid-template-columns:repeat(3,1fr)}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:6px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.cat-card:hover{border-color:var(--green);text-decoration:none;color:var(--ink)}
.cat-label{font-size:1.2rem;font-weight:800;color:var(--green)}
.cat-count{color:var(--muted);font-size:.9rem}

/* product cards */
.card-grid{display:grid;gap:16px;grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:8px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.card-chip{align-self:flex-start;background:rgba(0,133,96,.1);color:var(--green-dk);font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:999px;text-transform:uppercase}
.card-title{font-size:1rem;margin:0}
.card-title a{color:var(--ink)}
.card-desc{color:var(--muted);font-size:.9rem;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.card-price{font-weight:800;font-size:1.1rem;color:var(--ink)}
.card-sales{font-size:.78rem;color:var(--muted)}
.card-cta{margin-top:4px}

/* breadcrumbs */
.breadcrumbs{font-size:.85rem;color:var(--muted);margin:18px 0}

/* product page */
.product{display:grid;grid-template-columns:1fr 320px;gap:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.product-title{margin:8px 0 16px}
.product-attrs{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0}
.product-attrs dt{color:var(--muted);font-weight:600}
.product-buy{display:flex;flex-direction:column;gap:8px;justify-content:center}
.product-price{font-size:2rem;font-weight:800}
.product-tax{color:var(--muted);font-size:.85rem}
.product-domain{color:var(--muted);font-size:.8rem;text-align:center}

/* sort + pagination */
.sort-bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.sort-bar a{padding:5px 10px;border:1px solid var(--line);border-radius:999px;color:var(--ink);font-size:.85rem}
.sort-bar a.is-active{background:var(--green);color:#fff;border-color:var(--green)}
.pagination{display:flex;align-items:center;gap:14px;justify-content:center;margin:26px 0}
.empty-state,.notfound{text-align:center;padding:60px 0}

/* responsive */
@media(max-width:960px){.card-grid{grid-template-columns:repeat(2,1fr)}.product{grid-template-columns:1fr}}
@media(max-width:560px){
  .card-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .primary-nav{order:3;width:100%}
  .header-search input{width:120px}
  .hero-title{font-size:1.5rem}
}

/* guides */
.page-header{margin:18px 0}
.guide-list{list-style:none;padding:0}
.guide-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:14px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.guide-item h2{margin:0 0 4px;font-size:1.2rem}
.guide-item h2 a{color:var(--ink)}
.guide-date{color:var(--muted);font-size:.8rem}
.guide-excerpt{color:var(--muted);margin:6px 0 0;font-size:.95rem}
.guide{display:grid;grid-template-columns:240px 1fr;gap:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.guide-toc{position:sticky;top:80px;align-self:start}
.guide-toc h2{font-size:1rem;margin:0 0 8px;color:var(--ink)}
.guide-toc ul{list-style:none;padding:0;margin:0}
.guide-toc li{padding:3px 0}
.guide-toc li.toc-l2{padding-left:12px}
.guide-toc li.toc-l3{padding-left:24px}
.guide-toc a{color:var(--muted);font-size:.9rem}
.guide-body{line-height:1.7}
.guide-body h1{font-size:1.7rem;margin:0 0 14px}
.guide-body h2{font-size:1.3rem;margin:26px 0 10px}
.guide-body h3{font-size:1.1rem;margin:22px 0 8px}
.guide-body p{margin:0 0 14px}
.guide-body ul,.guide-body ol{margin:0 0 14px;padding-left:22px}
.guide-body blockquote{border-left:3px solid var(--green);margin:0 0 14px;padding:6px 16px;color:var(--muted)}
.guide-body code{background:var(--grey);padding:2px 5px;border-radius:4px;font-size:.9em}
.guide-body a{color:var(--green)}
@media(max-width:760px){.guide{grid-template-columns:1fr}.guide-toc{position:static}}

/* favorites */
.fav-badge{display:inline-flex;align-items:center;gap:4px;color:var(--ink);font-weight:700;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:#fff}
.fav-badge:hover{border-color:var(--green);text-decoration:none;color:var(--green-dk)}
.btn-secondary{background:#fff;color:var(--green-dk);border:1px solid var(--line)}
.btn-secondary:hover{border-color:var(--green);color:var(--green-dk)}
.fav-toggle{margin-top:6px;width:100%;font-size:.9rem}
.fav-toggle.is-saved{background:var(--green);color:#fff;border-color:var(--green)}