:root {
  color-scheme: light dark;
  --background: #f8f7f2;
  --ink: #202b24;
  --secondary: #5b6a60;
  --accent: #2b6048;
  --on-accent: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #141b18;
    --ink: #f0f4ed;
    --secondary: #aebdb1;
    --accent: #a9d7b6;
    --on-accent: #183426;
  }
}
* { box-sizing: border-box; }
html { font-size: 100%; background: var(--background); }
body {
  margin: 0;
  min-height: 100svh;
  padding: max(40px, env(safe-area-inset-top)) 24px max(24px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-align: center;
  -webkit-text-size-adjust: 100%;
}
main { width: 100%; max-width: 32rem; margin: auto 0; padding: 32px 0 48px; }
.app-icon { border-radius: 20px; display: block; margin: 0 auto 28px; }
h1 { margin: 0; font-family: ui-serif, Georgia, serif; font-weight: 500; font-size: clamp(3.5rem, 11vw, 5rem); line-height: 1.08; letter-spacing: -.025em; }
.tagline { margin: 14px 0 0; font-size: clamp(1.35rem, 5vw, 1.75rem); line-height: 1.35; }
.description { margin: 28px auto 0; color: var(--secondary); font-size: 1.0625rem; line-height: 1.6; }
.open-app { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 54px; min-width: 208px; max-width: 100%; margin-top: 36px; padding: 16px 28px; border-radius: 17px; background: var(--accent); color: var(--on-accent); text-decoration: none; font-size: 1.0625rem; line-height: 1.3; font-weight: 600; }
.open-app svg { flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.open-app:hover { filter: brightness(.94); }
.open-app:active { filter: brightness(.88); }
.open-app:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.help { max-width: 29ch; margin: 20px auto 0; color: var(--secondary); font-size: .875rem; line-height: 1.55; }
footer { color: var(--secondary); font-size: .8125rem; line-height: 1.5; }