:root {
  --green: #0F6E56;
  --green-dark: #0a5240;
  --ink: #1F2430;
  --muted: #6B7280;
  --line: #E5E7EB;
  --bg-soft: #F4F5F7;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: #fff; line-height: 1.6; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
h1 { font-size: 44px; line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 28px; margin: 0 0 6px; }
h3 { font-size: 17px; margin: 0 0 6px; }
a { color: inherit; }

.nav { position: sticky; top: 0; background: rgba(255,255,255,.95); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); z-index: 10; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { font-weight: 700; letter-spacing: 2px; text-decoration: none; font-size: 18px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 15px; }
.nav-links a:hover { color: var(--ink); }
.nav-links .nav-store { display: inline-block; padding: 6px 12px; border: 1px solid var(--green); border-radius: 999px; color: var(--green); font-weight: 600; font-size: 13px; }
.nav-links .nav-store:hover { background: var(--green); color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; }

.hero { background: var(--bg-soft); text-align: center; }
.hero-banner { display: block; line-height: 0; }
.hero-banner img { display: block; width: 100%; height: auto; }
.hero-text { padding: 48px 20px 56px; }
.hero-sub { max-width: 560px; margin: 0 auto 28px; color: var(--muted); font-size: 18px; }
.cta { display: inline-block; background: var(--green); color: #fff; text-decoration: none; padding: 13px 30px; border-radius: 8px; font-weight: 600; }
.cta:hover { background: var(--green-dark); }

main.wrap { padding: 56px 20px 8px; }
.section-sub { color: var(--muted); margin: 0 0 28px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; padding-bottom: 56px; }
@media (min-width: 760px) { .grid { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; } }
@media (min-width: 1060px) { .grid { grid-template-columns: repeat(4, minmax(0,1fr)); } }

.card { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; background: #fff; transition: box-shadow .15s; }
.card:hover { box-shadow: 0 4px 16px rgba(31,36,48,.08); }
.card-media { display: block; aspect-ratio: 1; background: #fff; }
.card-media img { width: 100%; height: 100%; object-fit: contain; display: block; }
.card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; flex: 1; gap: 6px; }
.tagline { margin: 0; color: var(--muted); font-size: 13px; flex: 1; }
.card-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 28px; }
.price { font-weight: 700; font-size: 17px; }
.rating { font-size: 13px; color: var(--muted); text-decoration: none; }
.rating:hover { color: var(--ink); }
.color-options { display: flex; gap: 6px; flex-wrap: wrap; }
.swatch { width: 18px; height: 18px; border-radius: 50%; border: 2px solid #fff; outline: 1px solid var(--line); cursor: pointer; padding: 0; }
.swatch.active { outline: 2px solid var(--green); }
.buy { display: block; text-align: center; background: var(--green); color: #fff; text-decoration: none; padding: 10px; border-radius: 8px; font-weight: 600; font-size: 14px; }
.buy:hover { background: var(--green-dark); }

.features { background: var(--bg-soft); padding: 48px 0; }
.feature-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (min-width: 900px) { .feature-row { grid-template-columns: repeat(4, 1fr); } }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }
.feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; background: rgba(15, 110, 86, 0.10); color: var(--green); margin-bottom: 12px; }
.feature-icon svg { display: block; }

.about { padding: 56px 0; }
.about p { max-width: 720px; color: var(--muted); }

footer { border-top: 1px solid var(--line); padding: 20px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }

.about-contact { margin-top: 28px; display: flex; flex-direction: column; gap: 18px; max-width: 560px; }
.contact-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.contact-label { font-weight: 600; color: var(--ink); }
.contact-email { display: inline-block; background: var(--green); color: #fff; text-decoration: none; padding: 10px 22px; border-radius: 6px; font-weight: 600; font-size: 15px; }
.contact-email:hover { background: var(--green-dark); }
.partner-row { align-items: center; }
.partner-link { display: inline-block; padding: 4px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.partner-link:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(31,36,48,.12); border-color: var(--green); }
.partner-link img { display: block; height: 32px; width: auto; }

.about-grid { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center; }
@media (min-width: 800px) { .about-grid { grid-template-columns: 1.4fr 1fr; gap: 48px; } }
.about-image a { display: block; border-radius: 16px; overflow: hidden; background: var(--bg-soft); transition: transform .2s ease, box-shadow .2s ease; }
.about-image a:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(31,36,48,.12); }
.about-image img { display: block; width: 100%; height: auto; }

@media (max-width: 700px) {
  h1 { font-size: 32px; }
  .hero-text { padding: 36px 20px 44px; }
  .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; gap: 0; padding: 8px 20px 16px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; }
  .nav-links .nav-store { margin-top: 4px; align-self: flex-start; }
  .nav-toggle { display: block; }
}

.post-wrap { max-width: 760px; padding-top: 40px; padding-bottom: 56px; }
.post h1 { font-size: 34px; }
.post img { max-width: 100%; border-radius: 8px; }
.post pre { background: var(--bg-soft); padding: 12px 16px; border-radius: 8px; overflow-x: auto; }
.post-date { color: var(--muted); font-size: 13px; }
.post-list { display: flex; flex-direction: column; gap: 10px; }
.post-item { display: block; text-decoration: none; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.post-item:hover { box-shadow: 0 4px 16px rgba(31,36,48,.08); }
.post-item p { margin: 0; color: var(--muted); font-size: 14px; }
.related { background: var(--bg-soft); border-radius: 12px; padding: 20px 24px; margin: 32px 0 0; }
.related h3 { font-size: 15px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); margin: 0 0 12px; }
.related ul { margin: 0 0 12px; padding-left: 18px; }
.related li { margin: 4px 0; }
.related a { color: var(--green); text-decoration: none; }
.related a:hover { text-decoration: underline; }
.related p { margin: 8px 0 0; font-size: 14px; }