:root {
  --green-d: #143726;
  --green: #2f6b4f;
  --green-l: #6f9b74;
  --bg: #fbfaf7;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #5b6b60;
  --border: #e6e8e2;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

/* nav */
nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 16px;
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
}
nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 14px; }
nav a:hover, nav a.active { color: var(--green); }
nav .brand { color: var(--green-d); font-weight: 800; font-size: 16px; }

/* hero */
.hero {
  background: linear-gradient(160deg, #163a2b, #2f6b4f);
  color: #fff;
  padding: 60px 24px 52px;
  text-align: center;
}
.hero .logo { width: 84px; height: 108px; margin: 0 auto 16px; display: block; }
.hero h1 { font-size: 38px; font-weight: 800; letter-spacing: -0.5px; }
.hero p { color: #cfe6d6; font-size: 16px; margin-top: 8px; }
.hero .soon {
  display: inline-block;
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 700;
}

main { max-width: 760px; margin: -28px auto 0; padding: 0 20px 56px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(20, 55, 38, 0.06);
}
h2 { font-size: 20px; color: var(--green-d); margin-bottom: 14px; }
h3 { font-size: 16px; margin: 18px 0 4px; color: var(--text); }
p, li { color: var(--muted); font-size: 15px; }
ul { padding-left: 20px; margin: 6px 0; }
a { color: var(--green); font-weight: 600; }

.tag {
  display: inline-block;
  background: #e8f1ea;
  color: var(--green-d);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
}
.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  margin-top: 8px;
}
.muted-note { font-size: 13px; color: var(--muted); }

/* feature grid */
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}
.feature .ico { font-size: 26px; }
.feature b { display: block; color: var(--text); font-size: 15px; margin-top: 6px; }
.feature span { font-size: 13px; color: var(--muted); }
@media (max-width: 520px) { .features { grid-template-columns: 1fr; } }

/* screenshots */
.shots {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  scroll-snap-type: x mandatory;
}
.shots img {
  width: 220px;
  border-radius: 18px;
  border: 1px solid var(--border);
  scroll-snap-align: center;
  flex: 0 0 auto;
}

footer {
  text-align: center;
  padding: 32px 20px 48px;
  color: var(--muted);
  font-size: 13px;
}
footer a { color: var(--green); }