:root{
  --bg:#fbfbfd; --ink:#16181d; --muted:#6b7280; --line:#e6e7eb;
  --accent:#1f7a4d; --accent-dark:#155c39; --card:#ffffff; --max:1120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* header */
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:22px;letter-spacing:-.02em}
.brand-dash{color:var(--accent)}
.main-nav{display:flex;gap:28px}
.main-nav a{color:var(--muted);font-weight:500;font-size:15px;transition:color .15s}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}

/* hero */
.hero{background:linear-gradient(180deg,#f1f6f3 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.hero-inner{padding:88px 24px 80px;text-align:center}
.kicker{display:inline-block;background:#e3f1e9;color:var(--accent-dark);font-weight:600;
  font-size:13px;padding:5px 12px;border-radius:999px;margin:0 0 22px;text-transform:uppercase;letter-spacing:.04em}
.hero h1{font-size:clamp(34px,5.5vw,58px);line-height:1.05;letter-spacing:-.03em;margin:0 0 20px;font-weight:800}
.lede{font-size:18px;color:var(--muted);max-width:640px;margin:0 auto 28px}

/* buttons */
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:10px;transition:background .15s,transform .05s}
.btn:hover{background:var(--accent-dark)}
.btn:active{transform:translateY(1px)}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-alt{background:#11151c}
.btn-alt:hover{background:#000}

/* sections */
.section{padding:64px 24px}
.narrow{max-width:720px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:28px}
.section-head h2{font-size:26px;letter-spacing:-.02em;margin:0}
.see-all{color:var(--accent);font-weight:600}
.page-head{margin-bottom:32px}
.page-head h1{font-size:38px;letter-spacing:-.03em;margin:0 0 8px}

/* grid + cards */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:box-shadow .18s,transform .18s,border-color .18s;display:flex;flex-direction:column}
.card:hover{box-shadow:0 14px 30px -18px rgba(0,0,0,.28);transform:translateY(-3px);border-color:#d4d6db}
.card-img{aspect-ratio:1/1;background:#f4f5f7;display:flex;align-items:center;justify-content:center;padding:22px}
.card-img img{width:100%;height:100%;object-fit:contain}
.card-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:15px;font-weight:600;margin:0;line-height:1.35}

/* price */
.price{display:flex;align-items:center;gap:8px;margin-top:auto}
.was{color:var(--muted);text-decoration:line-through;font-size:14px}
.now{color:var(--accent);font-weight:700;font-size:15px}

/* product page */
.product{display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:56px 24px}
.product-media{background:#f4f5f7;border:1px solid var(--line);border-radius:18px;
  padding:48px;display:flex;align-items:center;justify-content:center}
.product-media img{max-height:380px;object-fit:contain}
.breadcrumb{color:var(--muted);font-size:14px;margin:0 0 10px}
.breadcrumb a{color:var(--accent)}
.product-info h1{font-size:30px;line-height:1.2;letter-spacing:-.02em;margin:0 0 16px}
.product-info .price{margin:0 0 24px;font-size:18px}
.product-info .now{font-size:22px}
.buy-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.free-note{color:var(--muted);font-size:14px;margin:0 0 24px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.tag{background:#eef0f3;color:#4b5563;font-size:12px;font-weight:500;padding:4px 10px;border-radius:999px;text-transform:capitalize}
.description{border-top:1px solid var(--line);padding-top:22px;color:#33373f}
.description p{margin:0 0 14px}
.desc-head{font-size:18px;font-weight:700;letter-spacing:-.01em;margin:26px 0 10px;
  padding-top:18px;border-top:1px solid var(--line)}

/* faq */
.faq{margin-top:34px;border-top:1px solid var(--line);padding-top:8px}
.faq-head{font-size:22px;letter-spacing:-.02em;margin:18px 0 6px}
.faq-item{padding:18px 0;border-bottom:1px solid var(--line)}
.faq-q{font-size:16px;font-weight:650;margin:0 0 6px;color:var(--ink)}
.faq-a{margin:0;color:#33373f}
.faq-a strong{color:var(--accent-dark)}

/* misc */
.muted{color:var(--muted)}
.post h2{font-size:24px;margin:0 0 4px;letter-spacing:-.02em}
.post a{color:var(--accent);font-weight:600}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#fff;padding:48px 0;margin-top:40px;text-align:center}
.foot-free{font-size:16px;margin:0 0 18px}
.foot-nav{display:flex;gap:24px;justify-content:center;margin-bottom:18px;flex-wrap:wrap}
.foot-nav a{color:var(--muted);font-weight:500}
.foot-nav a:hover{color:var(--ink)}
.copyright{color:var(--muted);font-size:13px;margin:0}

/* responsive */
@media(max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .product{grid-template-columns:1fr;gap:32px}
  .main-nav{gap:18px}
}
@media(max-width:520px){
  .grid{grid-template-columns:1fr 1fr;gap:14px}
  .main-nav a{font-size:14px}
  .hero-inner{padding:60px 24px 56px}
}