:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; margin: 0; line-height: 1.6; color: #1f2328; background: #ffffff; }
@media (prefers-color-scheme: dark) {
  body { color: #e6edf3; background: #0d1117; }
  a { color: #58a6ff; }
  .card { background: #161b22; border-color: rgba(240,246,252,0.1); }
  .hero { background: linear-gradient(135deg, #0d1117, #161b22); }
}
.hero { background: linear-gradient(135deg, #f6f8fa, #eef2f6); padding: 72px 24px 56px; text-align: center; }
.hero h1 { font-size: clamp(1.7rem, 5vw, 2.4rem); margin: 0 0 12px; line-height: 1.2; }
.hero p { font-size: 1.1rem; max-width: 560px; margin: 0 auto; color: #656d76; }
main { max-width: 960px; margin: 0 auto; padding: 48px 24px 80px; }
section { margin-bottom: 48px; }
h2 { font-size: 1.4rem; margin-bottom: 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { border: 1px solid rgba(27,31,36,0.15); border-radius: 10px; padding: 18px 20px; background: #ffffff; }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; font-size: 0.95rem; color: #656d76; }
.card .more { margin-top: 12px; }
a { color: #0969da; text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid #0969da; outline-offset: 3px; }
@media (prefers-color-scheme: dark) {
  a:focus-visible { outline-color: #58a6ff; }
}
ul { padding-left: 1.2rem; }
.features { max-width: 40rem; }
.pricing { max-width: 40rem; }
.contact { padding: 20px 0; }
.contact code { background: rgba(175,184,193,0.2); padding: 2px 6px; border-radius: 4px; }
footer { border-top: 1px solid rgba(175,184,193,0.3); padding: 24px; text-align: center; font-size: 0.85rem; color: #656d76; }
.links a, .links .coming-soon { margin: 0 8px; display: inline-block; }
.coming-soon { color: inherit; cursor: default; }
.app-store-badge { display: inline-block; margin-top: 12px; line-height: 0; }
a.app-store-badge, a.app-store-badge:hover { text-decoration: none; }
.app-store-badge img { display: block; height: 40px; width: auto; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
@media (max-width: 640px) {
  .hero { padding: 48px 20px 40px; }
  main { padding: 32px 20px 64px; }
}