:root {
  --bg-1: #0f3e27; /* brighter base */
  --bg-2: #1e6f47; /* richer green */
  --text: #e9fff3;
  --muted: #b5dfc7;
  --accent: #2fe077;
  --accent-2: #27c06a;
  --card: rgba(255, 255, 255, 0.06);
  --stroke: rgba(255, 255, 255, 0.08);
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35), inset 0 0 0 1px var(--stroke);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
              radial-gradient(1100px 850px at 82% 12%, rgba(219, 239, 143, 0.55), transparent 50%),
              radial-gradient(1200px 900px at 10% 88%, rgba(90, 234, 150, 0.28), transparent 65%),
              linear-gradient(160deg, var(--bg-1), #3B754D 60%);
  background-attachment: fixed;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(130%) blur(8px);
  background: linear-gradient(to bottom, rgba(7,27,18,0.9), rgba(7,27,18,0.2));
  border-bottom: 1px solid var(--stroke);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}
.brand-logo { width: 28px; height: 28px; }
.brand-name { font-weight: 700; letter-spacing: 0.2px; }

.nav-links { display: flex; align-items: center; gap: 16px; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.nav a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  text-decoration: none;
  font-weight: 700;
  transition: transform 160ms ease, filter 160ms ease, background 160ms ease, color 160ms ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.1); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #052411; border: none; }
.btn.secondary { background: transparent; color: var(--text); border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.btn.ghost { background: transparent; color: var(--muted); }

.hero {
  max-width: 1100px;
  margin: 40px auto 0;
  padding: 30px 20px 60px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: center;
}
.hero h1 { font-size: 56px; line-height: 1.05; margin: 8px 0 12px; }
.subtitle { color: var(--muted); font-size: 18px; max-width: 52ch; }
.cta-group { display: flex; gap: 12px; margin: 18px 0 8px; }
.privacy-note { color: #9bdcb5; font-size: 14px; opacity: 0.9; }

.hero-art { display: grid; place-items: center; position: relative; z-index: 0; }
.hero-image { width: 420px; max-width: 100%; border-radius: 28px; box-shadow: var(--shadow); display: block; }
.phone {
  width: 320px;
  height: 640px;
  border-radius: 36px;
  background: linear-gradient(160deg, #0e2b1d, #123828);
  box-shadow: var(--shadow);
  padding: 18px;
  position: relative;
}
.phone::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 38px;
  background: linear-gradient(135deg, rgba(47,224,119,0.8), rgba(39,192,106,0.2));
  filter: blur(14px);
  z-index: -1;
}
.phone-screen {
  height: 100%;
  border-radius: 26px;
  background: radial-gradient(600px 400px at 90% 0%, rgba(47,224,119,0.12), transparent),
              linear-gradient(180deg, #0c2419, #0a2016);
  border: 1px solid var(--stroke);
  padding: 24px;
  display: grid;
  align-content: start;
  gap: 16px;
  position: relative;
  overflow: hidden;
}
.task {
  padding: 14px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  color: var(--text);
  box-shadow: 0 10px 20px rgba(0,0,0,0.25);
}
.task.completed {
  background: linear-gradient(135deg, rgba(47,224,119,0.25), rgba(47,224,119,0.05));
}
.sprout, .sprout::after {
  position: absolute;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #49f08d, #1d7c47);
  width: 10px; height: 20px;
  bottom: 40px; right: 26px;
  transform: rotate(-20deg);
  opacity: 0.9;
}
.sprout::after {
  content: ""; width: 10px; height: 18px; left: -12px; bottom: 10px; transform: rotate(-18deg);
}
.sprout.s2 { bottom: 110px; right: 46px; transform: rotate(15deg); opacity: 0.7; }

.features { max-width: 1100px; margin: 10px auto 0; padding: 20px; }
.features h2 { font-size: 34px; margin-bottom: 12px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--stroke); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.card h3 { margin-top: 6px; margin-bottom: 8px; }
.card p { color: var(--muted); }

.fine-print { color: var(--muted); opacity: 0.8; margin-top: 10px; }

.cta-banner {
  max-width: 1100px;
  margin: 24px auto 0;
  padding: 24px 20px;
  display: grid; place-items: center; text-align: center;
  background: linear-gradient(135deg, rgba(47,224,119,0.12), rgba(39,192,106,0.04));
  border: 1px solid var(--accent);
  border-radius: 18px;
}
.cta-banner h2 { margin: 8px 0; }
.cta-banner p { color: var(--muted); max-width: 65ch; }

.faq { max-width: 800px; margin: 10px auto 40px; padding: 20px; }
.faq h2 { font-size: 28px; }
.faq details { background: var(--card); border: 1px solid var(--stroke); padding: 12px 14px; border-radius: 14px; margin: 8px 0; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { color: var(--muted); margin: 6px 0 0; }

.site-footer { border-top: 1px solid var(--stroke); padding: 18px 20px 40px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.legal { color: var(--muted); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity 500ms ease, transform 500ms ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-art { order: -1; }
  .cta-group { justify-content: center; }
  .feature-grid { grid-template-columns: 1fr; }
}