/* ReplyVault site — consistent with the extension UI palette, no frameworks. */
:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1a1d24;
  --muted: #5b6472;
  --line: #e2e6ec;
  --brand: #2f6df6;
  --brand-deep: #2358d8;
  --brand-ink: #ffffff;
  --ok: #17864a;
  --navy: #0e1730;
  --navy-ink: #eef2fb;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(20, 24, 33, 0.08), 0 8px 28px rgba(20, 24, 33, 0.07);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1319;
    --panel: #171c24;
    --ink: #e8ecf3;
    --muted: #97a1b0;
    --line: #262e39;
    --brand: #4d86ff;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }
a { color: var(--brand); }
code {
  background: color-mix(in srgb, var(--line) 55%, transparent);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.9em;
}

/* nav */
nav.top {
  display: flex; align-items: center; gap: 20px;
  padding: 18px 0;
}
nav.top .logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--ink); text-decoration: none; }
nav.top .logo img { width: 28px; height: 28px; border-radius: 7px; }
nav.top .links { margin-left: auto; display: flex; gap: 18px; font-size: 14px; }
nav.top .links a { color: var(--muted); text-decoration: none; font-weight: 500; }
nav.top .links a:hover { color: var(--brand); }

/* hero */
header.hero {
  background: linear-gradient(160deg, var(--navy) 0%, #17244d 70%, #1c2f68 100%);
  color: var(--navy-ink);
  border-radius: 0 0 32px 32px;
}
header.hero .wrap { padding: 20px 24px 72px; }
header.hero nav.top .logo { color: var(--navy-ink); }
header.hero nav.top .links a { color: #aebadb; }
header.hero nav.top .links a:hover { color: #fff; }
.hero-body { padding-top: 48px; max-width: 640px; }
.hero-kicker {
  font: 600 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: #8fb0ff; margin-bottom: 18px;
}
h1 { font-size: clamp(30px, 5.4vw, 46px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 18px; }
.hero-sub { font-size: 18px; color: #c3cdea; margin: 0 0 30px; max-width: 54ch; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 650; font-size: 16px;
  border-radius: 10px; padding: 13px 22px; border: 1px solid transparent;
}
.btn.primary { background: var(--brand); color: var(--brand-ink); }
.btn.primary:hover { background: var(--brand-deep); }
.btn.ghost { border-color: #3d4d7d; color: #dbe3f8; }
.btn.ghost:hover { border-color: #8fb0ff; }
.hero-note { font-size: 13px; color: #8f9cc4; margin-top: 14px; }

/* sections */
section { padding: 56px 0 8px; }
section h2 { font-size: 26px; letter-spacing: -0.01em; margin: 0 0 8px; }
section p.lead { color: var(--muted); margin: 0 0 28px; max-width: 62ch; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px;
}
.step .n {
  font: 700 13px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--brand); letter-spacing: 0.08em;
}
.step h3 { margin: 10px 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

/* privacy strip */
.privacy-strip {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 26px; display: flex; gap: 18px; align-items: flex-start;
}
.privacy-strip svg { flex: none; color: var(--ok); margin-top: 3px; }
.privacy-strip h3 { margin: 0 0 6px; font-size: 17px; }
.privacy-strip p { margin: 0 0 8px; color: var(--muted); font-size: 15px; }
.privacy-strip p:last-child { margin: 0; }

/* pricing */
.price-card {
  background: var(--panel); border: 2px solid var(--brand); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 30px; max-width: 420px;
}
.price-card .price { font-size: 42px; font-weight: 800; letter-spacing: -0.02em; }
.price-card .price small { font-size: 15px; font-weight: 500; color: var(--muted); }
.price-card ul { margin: 16px 0 22px; padding: 0 0 0 2px; list-style: none; }
.price-card li { padding: 5px 0 5px 26px; position: relative; font-size: 15px; }
.price-card li::before { content: "✓"; position: absolute; left: 2px; color: var(--ok); font-weight: 700; }
.price-card .btn { width: 100%; text-align: center; }
.price-free { margin-top: 14px; font-size: 14px; color: var(--muted); }

/* FAQ */
.faq details {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 4px 18px; margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 600; padding: 12px 0; font-size: 15px; }
.faq details p { color: var(--muted); font-size: 15px; margin: 2px 0 14px; }

/* docs pages */
article.doc { padding: 40px 0 24px; max-width: 720px; }
article.doc h1 { font-size: 32px; color: var(--ink); }
article.doc h2 { font-size: 21px; margin-top: 36px; }
article.doc h3 { font-size: 17px; margin-top: 24px; }
article.doc li { margin: 6px 0; }
article.doc .callout {
  background: color-mix(in srgb, var(--brand) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 25%, transparent);
  border-radius: 10px; padding: 14px 18px; font-size: 15px;
}

footer.site {
  margin-top: 64px; padding: 28px 0 48px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px;
}
footer.site .wrap { display: flex; gap: 20px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }
footer.site .spacer { margin-left: auto; }

/* ---- phone hardening (QA2 HIGH-1) ----
   Note: the reported 390px clipping was a headless-Chrome measurement artifact
   (--window-size clamps to a 500px minimum and the PNG gets cropped; faithful
   CDP mobile emulation shows no overflow). These rules are defensive hardening
   for very narrow viewports (<=320px) and large user font settings. */
nav.top { flex-wrap: wrap; }
img, svg { max-width: 100%; }
code { overflow-wrap: anywhere; }

@media (max-width: 480px) {
  .wrap { padding-left: 18px; padding-right: 18px; }
  header.hero .wrap { padding-bottom: 52px; }
  .hero-body { padding-top: 32px; }
  .hero-sub { font-size: 16px; }
  nav.top .links { gap: 14px; }
  .btn { padding: 12px 18px; font-size: 15px; }
  .privacy-strip { padding: 20px; gap: 12px; }
  .price-card { padding: 22px; }
  section { padding-top: 44px; }
}