:root {
  --bg: #0b0f0d;
  --bg-2: #111714;
  --card: #161d19;
  --text: #e8efe9;
  --muted: #9fb0a6;
  --accent: #34c759;
  --accent-2: #2fb24f;
  --border: #243029;
  --radius: 16px;
  --maxw: 960px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8f6;
    --bg-2: #ffffff;
    --card: #ffffff;
    --text: #111714;
    --muted: #5b6b61;
    --accent: #1fa64a;
    --accent-2: #178a3d;
    --border: #e2e8e3;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header / nav ---------- */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; max-width: var(--maxw); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.brand svg { width: 28px; height: 28px; }
.nav-links a { color: var(--muted); margin-left: 20px; font-size: .95rem; }

/* ---------- Hero ---------- */
.hero {
  text-align: center;
  padding: 64px 24px 56px;
  background: radial-gradient(1200px 400px at 50% -120px, rgba(52,199,89,.18), transparent 70%);
}
.hero .logo {
  width: 96px; height: 96px; margin: 0 auto 24px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--accent), var(--accent-2));
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(52,199,89,.35);
}
.hero .logo svg { width: 56px; height: 56px; }
.hero h1 { font-size: clamp(2rem, 6vw, 3rem); margin: 0 0 12px; letter-spacing: -.02em; }
.hero p.tagline { font-size: 1.25rem; color: var(--muted); margin: 0 auto 32px; max-width: 620px; }

.appstore {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--text); color: var(--bg);
  padding: 12px 22px; border-radius: 12px; font-weight: 600;
}
.appstore:hover { text-decoration: none; opacity: .9; }
.appstore svg { width: 22px; height: 22px; }

/* ---------- Features ---------- */
.section { padding: 56px 0; }
.section h2 { text-align: center; font-size: 1.8rem; margin: 0 0 40px; letter-spacing: -.01em; }
.grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.card .icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(52,199,89,.14); color: var(--accent);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); font-size: .97rem; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px; text-align: center; color: var(--muted); font-size: .9rem;
}
.footer a { color: var(--muted); margin: 0 10px; }

/* ---------- Legal pages ---------- */
.legal { padding: 48px 0 64px; }
.legal h1 { font-size: 2rem; letter-spacing: -.02em; margin: 0 0 4px; }
.legal .updated { color: var(--muted); margin: 0 0 32px; font-size: .9rem; }
.legal h2 { font-size: 1.25rem; margin: 36px 0 10px; }
.legal p, .legal li { color: var(--text); }
.legal ul { padding-left: 22px; }
.legal li { margin: 6px 0; }
.legal a.back { display: inline-block; margin-bottom: 24px; color: var(--muted); font-size: .9rem; }
.note { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; color: var(--muted); font-size: .9rem; }