:root {
  --accent: #287c28;
  --bg: #ffffff;
  --surface: #f4f7f4;
  --text: #1c211c;
  --text-secondary: #5a665a;
  --separator: #dde5dd;
  --max-width: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #4aff7a;
    --bg: #0e120e;
    --surface: #181f18;
    --text: #eef3ee;
    --text-secondary: #9aa89a;
    --separator: #2a332a;
  }
}

* { box-sizing: border-box; }

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;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.brand img { border-radius: 6px; }

.site-header nav a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 1rem;
}

.site-header nav a:hover { color: var(--accent); }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
}

.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}

.hero img.app-icon {
  width: 112px;
  height: 112px;
  border-radius: 24px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
}

.hero h1 {
  font-size: 2.1rem;
  margin: 1.25rem 0 0.5rem;
  letter-spacing: -0.02em;
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 1rem;
}

.hero .pitch {
  color: var(--text-secondary);
  max-width: 34rem;
  margin: 0 auto;
}

.coming-soon {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.6rem 1.4rem;
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  font-weight: 600;
}

.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 2rem 0;
  margin: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .features { grid-template-columns: repeat(3, 1fr); }
}

.features li {
  background: var(--surface);
  border: 1px solid var(--separator);
  border-radius: 12px;
  padding: 1.25rem;
}

.features h2 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  color: var(--accent);
}

.features p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

article h1 { font-size: 1.8rem; letter-spacing: -0.02em; }
article h2 { font-size: 1.2rem; margin-top: 2rem; }
article p, article li { color: var(--text); }
article .updated { color: var(--text-secondary); font-size: 0.9rem; }
article a { color: var(--accent); }
article h3 { font-size: 1.1rem; margin-top: 1.5rem; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  border-top: 1px solid var(--separator);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.site-footer a { color: var(--text-secondary); }
.site-footer a:hover { color: var(--accent); }