/* Shared styles for the standalone static content pages (about.html, help.html).
   Kept as a plain public/ asset so those pages stay crawlable without the app
   bundle or Tailwind scanning. */
:root {
  --violet: #6d4aff;
  --violet-dark: #4c31c7;
  --ink: #1e1b33;
  --muted: #5b5772;
  --bg: #f7f6ff;
  --card: #ffffff;
  --line: #e7e3ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans Thai", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}
a { color: var(--violet-dark); }
.wrap { max-width: 820px; margin: 0 auto; padding: 0 20px; }

.site-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: var(--violet); color: #fff; font-size: 20px;
}
.site-nav nav a { margin-left: 18px; text-decoration: none; color: var(--muted); font-weight: 600; }

.hero { padding: 56px 0 32px; }
.hero h1 { font-size: 2rem; line-height: 1.3; margin: 0 0 16px; }
h1 { font-size: 1.9rem; margin: 48px 0 10px; }
.lead { font-size: 1.1rem; color: var(--muted); margin: 0 0 20px; }

.cta {
  display: inline-block; background: var(--violet); color: #fff; text-decoration: none;
  padding: 13px 26px; border-radius: 12px; font-weight: 700;
}
section { padding: 24px 0; }
h2 { font-size: 1.4rem; margin: 32px 0 12px; }
h3 { font-size: 1.1rem; margin: 22px 0 8px; }
ul { padding-left: 20px; }
ol { padding-left: 22px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card strong { display: block; margin-bottom: 6px; color: var(--violet-dark); }

.faq { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 6px 20px; margin-top: 16px; }
.faq h3 { font-size: 1.08rem; margin: 20px 0 6px; color: var(--violet-dark); }
.faq p { margin: 0 0 20px; }

footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 28px 0; color: var(--muted); font-size: .92rem; }
footer a { margin-right: 16px; }