:root {
  --bg: #f6f6f4;
  --text: #1c1c1c;
  --muted: #5b5b5b;
  --card: #ffffffcc;
  --accent: #d99e1a;
  --accent-text: #1c1c1c;
  --note: #fff1a8;
  --note-band: #f7c948;
  --border: #00000014;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1b1b;
    --text: #f2f2f2;
    --muted: #b4b4b4;
    --card: #ffffff0d;
    --accent: #f7c948;
    --accent-text: #1c1c1c;
    --note: #5c4a14;
    --note-band: #7a6118;
    --border: #ffffff1a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
}

a { color: inherit; }

.hero {
  max-width: 1040px;
  margin: 0 auto;
  padding: 72px 24px 40px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-family: "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  font-size: 3rem;
  font-weight: 600;
}

.tagline { font-size: 1.3rem; margin: 0 0 28px; max-width: 32ch; }

.store-button {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: none;
}

.store-button[aria-disabled="true"] { opacity: 0.75; cursor: default; }

.requirements { color: var(--muted); font-size: 0.95rem; margin-top: 14px; }

.note-mock {
  justify-self: center;
  width: 280px;
  min-height: 260px;
  padding: 0 18px 18px;
  border-radius: 10px;
  background: var(--note);
  border: 1px solid var(--border);
  box-shadow: 0 18px 40px #0000002e;
  transform: rotate(-2deg);
}

.note-bar {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  margin: 0 -18px 10px;
  padding: 8px 14px;
  border-radius: 10px 10px 0 0;
  background: var(--note-band);
  font-size: 0.85rem;
}

.note-mock ul { padding-left: 20px; margin: 0; }

main { max-width: 1040px; margin: 0 auto; padding: 0 24px 64px; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.features article {
  padding: 22px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--border);
}

.features h2 { margin: 0 0 6px; font-size: 1.1rem; }
.features p { margin: 0; color: var(--muted); }

kbd {
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--card);
  font-family: inherit;
  font-size: 0.9em;
}

footer {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

.page .text { max-width: 720px; padding-top: 48px; }
.text h1 { font-size: 2rem; }
.text h2 { font-size: 1.2rem; margin-top: 28px; }
code { font-size: 0.9em; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .hero h1 { font-size: 2.4rem; }
}