:root {
  --brand: #3D8A5A;
  --brand-dark: #2F6D46;
  --text: #1A1F1C;
  --text-muted: #5A665E;
  --bg: #FFFFFF;
  --border: #E3E8E5;
  --accent-bg: #F2F8F4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #4D9B6A;
    --brand-dark: #6FB88A;
    --text: #EAEEEB;
    --text-muted: #9BA8A0;
    --bg: #121512;
    --border: #2A312C;
    --accent-bg: #182019;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

header.site a.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--brand);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: block;
}

header.site nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
}

header.site nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
}

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

h1 {
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--text);
}

h2 {
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
  color: var(--text);
}

h3 {
  font-size: 18px;
  margin: 28px 0 8px;
  color: var(--text);
}

p { margin: 0 0 16px; }

ul { padding-left: 24px; margin: 0 0 16px; }
li { margin-bottom: 6px; }

a { color: var(--brand-dark); }
a:hover { color: var(--brand); }

.meta {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 32px;
}

.tagline {
  font-size: 20px;
  line-height: 1.45;
  color: var(--text-muted);
  margin: 8px 0 32px;
  max-width: 560px;
}

.cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.cta-row a {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
}

.cta-row a:hover {
  border-color: var(--brand);
  color: var(--brand);
}

footer.site {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-muted);
}

footer.site p { margin: 0; }

footer.site nav {
  display: flex;
  gap: 20px;
}

footer.site a {
  color: var(--text-muted);
  text-decoration: none;
}

footer.site a:hover { color: var(--brand); }

/* Landing page sections */
.hero {
  text-align: center;
  padding: 8px 0 40px;
}

.hero-icon {
  width: 128px;
  height: 128px;
  border-radius: 28px;
  display: block;
  margin: 0 auto 28px;
  box-shadow: 0 8px 32px rgba(61, 138, 90, 0.18), 0 2px 8px rgba(0, 0, 0, 0.08);
}

.hero h1 {
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
  text-align: center;
}

.hero .tagline {
  text-align: center;
  margin: 0 auto;
  max-width: 520px;
}

.intro {
  padding: 32px 0 8px;
  border-top: 1px solid var(--border);
}

.intro p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  max-width: 620px;
  margin: 24px auto;
  text-align: center;
}

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.feature {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg);
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--brand);
  letter-spacing: -0.005em;
}

.feature p {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-muted);
}

.launch-info {
  margin: 48px 0 16px;
  padding: 28px 28px 20px;
  background: var(--accent-bg);
  border-radius: 14px;
  text-align: center;
}

.launch-info h2 {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 22px;
}

.launch-info p {
  margin: 0 auto;
  max-width: 520px;
  color: var(--text);
}

.about {
  margin-top: 56px;
}

.about h2 {
  margin-top: 0;
}

.about p {
  color: var(--text-muted);
  max-width: 620px;
}

@media (max-width: 560px) {
  .wrap { padding: 32px 20px 64px; }
  .hero h1 { font-size: 32px; }
  .hero-icon { width: 104px; height: 104px; border-radius: 23px; }
  .features { grid-template-columns: 1fr; }
  footer.site { flex-direction: column; align-items: flex-start; gap: 12px; }
}

strong { font-weight: 600; }

code {
  font-family: "SF Mono", Monaco, Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--border);
  padding: 2px 6px;
  border-radius: 4px;
}