:root {
  --brand: #2e7d66;
  --brand-dark: #1f5748;
  --brand-light: #e8f3ef;
  --ink: #1d2b27;
  --muted: #5c6b66;
  --bg: #fbfcfb;
  --card: #ffffff;
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
.wrap { max-width: 1020px; margin: 0 auto; padding: 0 20px; }
header.site {
  background: var(--card);
  border-bottom: 1px solid #e4e9e7;
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
}
.logo { font-weight: 800; font-size: 1.25rem; color: var(--brand-dark); text-decoration: none; }
.logo span { color: var(--brand); }
nav a { color: var(--muted); text-decoration: none; margin-left: 22px; font-size: 0.95rem; }
nav a:hover { color: var(--brand-dark); }
.hero { background: linear-gradient(160deg, var(--brand) 0%, var(--brand-dark) 100%); color: #fff; padding: 72px 0 64px; }
.hero h1 { font-size: 2.4rem; line-height: 1.2; max-width: 640px; }
.hero p { margin-top: 16px; font-size: 1.15rem; max-width: 560px; color: #dcebe5; }
.btn {
  display: inline-block; background: #fff; color: var(--brand-dark);
  font-weight: 700; padding: 13px 28px; border-radius: 999px;
  text-decoration: none; margin-top: 26px; transition: transform .12s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.solid { background: var(--brand); color: #fff; }
section { padding: 56px 0; }
h2 { font-size: 1.7rem; color: var(--brand-dark); margin-bottom: 8px; }
.sub { color: var(--muted); margin-bottom: 32px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 26px; }
.card {
  background: var(--card); border: 1px solid #e4e9e7; border-radius: var(--radius);
  overflow: hidden; text-decoration: none; color: var(--ink);
  transition: box-shadow .15s ease, transform .15s ease; display: block;
}
.card:hover { box-shadow: 0 10px 30px rgba(31, 87, 72, .12); transform: translateY(-3px); }
.card img { width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover; }
.card .body { padding: 18px 20px 22px; }
.card h3 { font-size: 1.1rem; color: var(--brand-dark); }
.card p { font-size: .92rem; color: var(--muted); margin-top: 6px; }
.price { display: inline-block; margin-top: 12px; background: var(--brand-light); color: var(--brand-dark); font-weight: 700; padding: 4px 14px; border-radius: 999px; font-size: .95rem; }
.features { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 20px; margin-top: 10px; }
.feature { background: var(--card); border: 1px solid #e4e9e7; border-radius: var(--radius); padding: 20px; }
.feature strong { color: var(--brand-dark); display: block; margin-bottom: 6px; }
.feature p { font-size: .92rem; color: var(--muted); }
.product-hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 44px; align-items: center; padding: 56px 0; }
.product-hero img { width: 100%; border-radius: var(--radius); box-shadow: 0 14px 40px rgba(31, 87, 72, .18); }
.product-hero h1 { font-size: 2rem; line-height: 1.25; color: var(--brand-dark); }
.product-hero .lead { margin-top: 14px; color: var(--muted); font-size: 1.08rem; }
ul.checks { list-style: none; margin-top: 22px; }
ul.checks li { padding-left: 30px; position: relative; margin-bottom: 10px; }
ul.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 800; }
.faq details { background: var(--card); border: 1px solid #e4e9e7; border-radius: 10px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { font-weight: 600; cursor: pointer; color: var(--brand-dark); }
.faq p { margin-top: 8px; color: var(--muted); font-size: .95rem; }
footer.site { border-top: 1px solid #e4e9e7; padding: 30px 0 40px; color: var(--muted); font-size: .9rem; }
footer.site a { color: var(--brand-dark); }
@media (max-width: 760px) {
  .hero h1 { font-size: 1.8rem; }
  .product-hero { grid-template-columns: 1fr; padding: 36px 0; }
}