:root {
  --primary: #0369A1;
  --primary-ink: #FFFFFF;
  --primary-soft: #E0F2FE;
  --bg: #F5F8FA;
  --card: #FFFFFF;
  --text: #0C1A24;
  --muted: #556672;
  --border: #DCE5EB;
  --warn-bg: #FFF6E5;
  --warn-text: #6B4A00;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #38BDF8;
    --primary-ink: #082F49;
    --primary-soft: #0C3047;
    --bg: #0B131A;
    --card: #131E27;
    --text: #E5EEF4;
    --muted: #98A9B5;
    --border: #233441;
    --warn-bg: #2E2514;
    --warn-text: #F2D59B;
  }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 18px;
}
a { color: var(--primary); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { padding: 18px 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; font-size: 20px; }
.brand img { width: 36px; height: 36px; border-radius: 9px; flex: none; }
.nav { display: flex; gap: 16px; font-size: 16px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--primary); }

/* Hero */
.hero { text-align: center; padding: 40px 0 36px; }
.hero img.app-icon { width: 104px; height: 104px; border-radius: 24px; margin-bottom: 22px; box-shadow: 0 8px 24px rgba(3, 105, 161, 0.25); }
.hero h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 14px; }
.hero p.lead { font-size: 20px; color: var(--muted); max-width: 560px; margin: 0 auto 26px; }
.store-soon {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--primary); color: var(--primary-ink);
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 17px;
}
.hero .fine { margin-top: 12px; font-size: 15px; color: var(--muted); }

/* Sections */
section { padding: 28px 0; }
h2 { font-size: 26px; line-height: 1.25; margin-bottom: 14px; letter-spacing: -0.01em; }
h3 { font-size: 19px; margin-bottom: 6px; }
p + p { margin-top: 12px; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.card p { color: var(--muted); font-size: 16px; }
.promise { background: var(--primary-soft); border-radius: 20px; padding: 26px; }
.promise ul { margin: 12px 0 0 20px; }
.promise li + li { margin-top: 6px; }
.honest { background: var(--warn-bg); color: var(--warn-text); border-radius: 16px; padding: 20px; font-size: 16px; }
.honest h3 { color: var(--warn-text); }
.honest ul { margin: 8px 0 0 20px; }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.plans .card h3 { font-size: 21px; }
.plans .card ul { margin: 10px 0 0 20px; color: var(--text); font-size: 16px; }
.plans .card.featured { border: 2px solid var(--primary); }

/* FAQ and long text */
details { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px 18px; }
details + details { margin-top: 10px; }
summary { cursor: pointer; font-weight: 600; }
details p, details ol, details ul { margin-top: 10px; color: var(--muted); font-size: 16px; }
details ol, details ul { margin-left: 20px; }
.doc h1 { font-size: 34px; line-height: 1.2; margin: 18px 0 6px; }
.doc .updated { color: var(--muted); font-size: 15px; margin-bottom: 22px; }
.doc h2 { font-size: 22px; margin: 28px 0 8px; }
.doc ul, .doc ol { margin: 8px 0 0 22px; }
.doc li + li { margin-top: 6px; }
.doc table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 16px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px; border-bottom: 1px solid var(--border); }
.table-scroll { overflow-x: auto; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 36px; padding: 24px 0 40px; font-size: 15px; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
.site-footer nav { display: flex; gap: 18px; }
.site-footer a { color: var(--muted); }

@media (max-width: 520px) {
  body { font-size: 17px; }
  .nav { gap: 12px; font-size: 15px; }
  .brand span { font-size: 18px; }
  .grid { grid-template-columns: 1fr; }
}