/* The landing page's and the app shell's look (apps/web). */
:root {
  --bg: #111113; --fg: #ececef; --muted: #9b9ba4; --rule: #2a2a30; --card: #18181b;
  --accent: #6d7cff; --accent-fg: #fff; --problem: #f87171;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #fbfbfc; --fg: #18181b; --muted: #5d5d66; --rule: #e4e4e9; --card: #fff; --accent: #4452e8; --problem: #b91c1c; color-scheme: light; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; }
header.top { display: flex; align-items: center; gap: 24px; max-width: 1080px; margin: 0 auto; padding: 20px 24px; }
header.top .brand { font-weight: 650; letter-spacing: -.01em; text-decoration: none; font-size: 17px; }
header.top nav { display: flex; gap: 20px; margin-left: auto; font-size: 15px; }
header.top nav a { color: var(--muted); text-decoration: none; }
header.top nav a:hover { color: var(--fg); }
main { max-width: 1080px; margin: 0 auto; padding: 0 24px 80px; }
.hero { padding: 72px 0 56px; max-width: 760px; }
.hero h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 20px; }
.hero p { font-size: 19px; color: var(--muted); margin: 0 0 32px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button, button { display: inline-block; font: inherit; font-size: 15px; padding: 10px 18px; border-radius: 10px; border: 1px solid var(--rule); background: transparent; color: var(--fg); text-decoration: none; cursor: pointer; }
.button.primary, button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; border-top: 1px solid var(--rule); padding-top: 40px; }
.grid h3 { margin: 0 0 6px; font-size: 16px; }
.grid p { margin: 0; color: var(--muted); font-size: 15px; }
footer { max-width: 1080px; margin: 0 auto; padding: 24px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; display: flex; gap: 20px; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 14px; padding: 28px; max-width: 640px; margin: 48px auto; }
.card h2 { margin: 0 0 12px; font-size: 22px; letter-spacing: -.01em; }
.muted { color: var(--muted); }
.problem { color: var(--problem); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 16px 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-variant-numeric: tabular-nums; }