:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --accent: #2c8079;
  --accent-hover: #246961;
  --card-bg: #ffffff;
  --border: #e5e7eb;
  --code-bg: #f3f4f6;
}

* { box-sizing: border-box; }

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px;
}

section { margin: 64px 0; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
a:hover {
  color: var(--accent-hover);
  border-bottom-color: currentColor;
}

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 56px 0 24px;
}
.hero .logo {
  width: 140px;
  height: 140px;
  object-fit: contain;
}
.hero h1 {
  font-size: 56px;
  margin: 16px 0 8px;
  letter-spacing: -1.5px;
  font-weight: 700;
}
.hero .tagline {
  font-size: 19px;
  color: #374151;
  margin: 0;
}
.hero .subtagline {
  font-size: 14px;
  color: var(--muted);
  margin-top: 4px;
  font-style: normal;
}
.hero .subtagline em { font-style: italic; }

.cta {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-primary, .cta-secondary {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  border-bottom: 0;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.cta-primary {
  background: var(--accent);
  color: white;
}
.cta-primary:hover {
  background: var(--accent-hover);
  color: white;
  border-bottom-color: transparent;
}
.cta-secondary {
  background: white;
  color: var(--fg);
  border: 1px solid var(--border);
}
.cta-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---- Section headings ---- */
h2 {
  font-size: 26px;
  margin-bottom: 20px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

/* ---- Features list ---- */
.features ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.features li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: #374151;
}
.features li:last-child { border-bottom: none; }
.features strong { color: var(--accent); font-weight: 600; }

/* ---- Two-card grid ---- */
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.card h3 {
  margin-top: 0;
  font-size: 20px;
  font-weight: 600;
}
.card p { color: #374151; }
.card .muted {
  color: var(--muted);
  font-size: 14px;
}
.card pre {
  background: var(--code-bg);
  padding: 14px 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
  margin: 16px 0;
}
.card code {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, monospace;
}
.card .inline-cta {
  font-weight: 600;
}

/* ---- Footer ---- */
footer {
  text-align: center;
  padding: 40px 0 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}
footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }
footer p { margin: 6px 0; }
footer .small { font-size: 12px; }

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .hero { padding: 32px 0 16px; }
  .hero h1 { font-size: 42px; }
  .cards { grid-template-columns: 1fr; }
  section { margin: 48px 0; }
}