/* Bunavi public site — shared styles. No build step; deploy the folder as-is. */
:root {
  color-scheme: light dark;
  --bg: #fbfdfc;
  --surface: #ffffff;
  --text: #1d2b25;
  --muted: #5a6b63;
  --line: rgba(20, 40, 30, 0.12);
  --link: #2f6fb0;
  --grad: linear-gradient(135deg, #8ec5fc 0%, #b8a7f5 100%);
  --grad-soft: linear-gradient(135deg, rgba(142, 197, 252, 0.18), rgba(184, 167, 245, 0.18));
  --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121a17;
    --surface: #1a2420;
    --text: #d9e2dd;
    --muted: #93a59c;
    --line: rgba(220, 235, 228, 0.14);
    --link: #8fd4b4;
    --grad-soft: linear-gradient(135deg, rgba(142, 197, 252, 0.12), rgba(184, 167, 245, 0.12));
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 720px; margin: 0 auto; padding: 24px; }

/* Header / nav */
header.site {
  background: var(--grad-soft);
  border-bottom: 1px solid var(--line);
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}
.brand .dot {
  width: 26px; height: 26px; border-radius: 9px;
  background: var(--grad);
  display: inline-block;
  flex: none;
  box-shadow: 0 2px 8px rgba(120, 150, 220, 0.4);
}
nav.site a { color: var(--muted); font-size: 0.95rem; margin-left: 18px; }
nav.site a:hover { color: var(--text); }

/* Hero (index) */
.hero { text-align: center; padding: 56px 0 24px; }
.hero .icon {
  width: 88px; height: 88px; border-radius: 26px; margin: 0 auto 22px;
  background: var(--grad);
  box-shadow: 0 10px 30px rgba(120, 150, 220, 0.45);
}
.hero h1 { font-size: 2.1rem; margin: 0 0 0.3em; letter-spacing: -0.02em; }
.hero p.lede { font-size: 1.15rem; color: var(--muted); margin: 0 auto; max-width: 30em; }

.features { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; margin: 40px 0; }
@media (max-width: 520px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
}
.feature h3 { margin: 0 0 4px; font-size: 1rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.cta { text-align: center; margin: 36px 0 8px; }
.btn {
  display: inline-block;
  background: var(--grad);
  color: #10202b;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(120, 150, 220, 0.4);
}
.btn:hover { text-decoration: none; filter: brightness(1.03); }

/* Document pages (privacy / support) */
h1.doc { font-size: 1.8rem; margin: 28px 0 0.2em; letter-spacing: -0.01em; }
h2 { font-size: 1.2rem; margin-top: 2em; }
p.meta { color: var(--muted); font-size: 0.95rem; margin-top: 0.2em; }

table { border-collapse: collapse; width: 100%; font-size: 0.96rem; margin-top: 0.5em; }
td, th { text-align: left; padding: 8px 12px 8px 0; vertical-align: top; }
th { white-space: nowrap; width: 130px; }

/* FAQ cards (support) */
.faq { display: grid; gap: 12px; margin-top: 1em; }
details.qa {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 18px;
}
details.qa summary {
  cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none;
}
details.qa summary::-webkit-details-marker { display: none; }
details.qa summary::after { content: "+"; float: right; color: var(--muted); font-weight: 400; }
details.qa[open] summary::after { content: "–"; }
details.qa .answer { padding: 0 0 14px; color: var(--muted); }
details.qa .answer a { color: var(--link); }

footer.site {
  margin-top: 56px;
  border-top: 1px solid var(--line);
  background: var(--grad-soft);
}
footer.site .wrap { color: var(--muted); font-size: 0.9rem; padding-top: 22px; padding-bottom: 28px; }

/* Homepage FAQ block (reuses the .faq / details.qa styles above). */
.faq-section { margin-top: 52px; }
.faq-section > h2 { text-align: center; }