:root {
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --accent: #0ea5e9;
  --accent-ink: #0369a1;
  --contrast-bg: #0f172a;
  --contrast-fg: #f8fafc;
  --contrast-em: #7dd3fc;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
header {
  margin-bottom: 2rem;
  padding-top: 0.25rem;
}
.brand {
  margin: 0 0 0.45rem;
}
.brand-link {
  display: inline-block;
  text-decoration: none;
  color: inherit;
  line-height: 0;
}
.brand-mark {
  display: block;
  height: 40px;
  width: auto;
}
.tagline {
  margin: 0;
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 1.05rem;
}
h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 1.75rem 0 0.6rem;
}
.lede {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 1.25rem 0 0;
}
.contrast {
  margin: 1.15rem 0 0;
  padding: 0.85rem 1rem;
  background: var(--contrast-bg);
  color: var(--contrast-fg);
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.45;
}
.contrast em {
  font-style: normal;
  color: var(--contrast-em);
  font-weight: 700;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.15rem 1.2rem;
  margin-top: 0.75rem;
}
ul { margin: 0.4rem 0 0; padding-left: 1.15rem; }
li { margin: 0.35rem 0; }
.price {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}
.price span { font-size: 0.95rem; font-weight: 500; color: var(--muted); }
form {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.75rem;
}
label { font-size: 0.9rem; font-weight: 600; }
input[type="email"] {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 1rem;
}
button {
  appearance: none;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
}
button:hover { background: var(--accent-ink); }
.note {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.5rem 0 0;
}
.note a, a { color: var(--accent-ink); }

/* Inbox email mock */
.inbox {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 0.75rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.inbox-chrome {
  background: #f1f5f9;
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
}
.inbox-row {
  display: grid;
  grid-template-columns: 4.25rem 1fr;
  gap: 0.5rem;
  padding: 0.2rem 0;
  color: var(--ink);
}
.inbox-row.muted-row { color: var(--muted); }
.inbox-label {
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  align-self: center;
}
.inbox-body { padding: 0 0 1.15rem; }
.email-banner {
  background: #0f172a;
  padding: 1.1rem 1.1rem 0.95rem;
  margin: 0;
}
.email-logo {
  display: block;
  height: 36px;
  width: auto;
  background: #ffffff;
  padding: 6px 10px;
  border-radius: 6px;
}
.email-tagline {
  margin: 0.7rem 0 0;
  font-size: 0.85rem;
  color: #7dd3fc;
  font-weight: 500;
}
.email-meta {
  padding: 1rem 1.1rem 0.35rem;
}
.email-heading {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: #1a1a1a;
}
.email-window {
  margin: 0 0 0.45rem;
  font-size: 0.82rem;
  color: #444;
}
.inbox-intro {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}
.email-section-title {
  margin: 1rem 1.1rem 0.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #1a1a1a;
}
.email-section-note {
  margin: 0 1.1rem 0.55rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
}
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 0.65rem;
}
.brief-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.brief-table th,
.brief-table td {
  text-align: left;
  padding: 0.5rem 0.55rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.brief-table th {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #0369a1;
  font-weight: 700;
  background: #f0f9ff;
  border-bottom: 2px solid #0369a1;
}
.email-table tbody tr:nth-child(even) { background: #f8fafc; }
.brief-table .mono {
  font-family: Menlo, Consolas, ui-monospace, monospace;
  font-size: 0.78rem;
  white-space: nowrap;
}
.email-more {
  margin: 0.45rem 1.1rem 0;
  font-size: 0.82rem;
  color: var(--muted);
  font-style: italic;
}
.email-disclaimer {
  margin: 1rem 1.1rem 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  line-height: 1.45;
  color: #666;
}
.email-disclaimer p { margin: 0 0 0.4rem; }
.email-disclaimer p:last-child { margin-bottom: 0; }
.inbox-foot {
  margin: 0.85rem 1.1rem 0;
  font-size: 0.88rem;
  font-weight: 600;
}

/* FAQ */
.faq details {
  border-top: 1px solid var(--line);
  padding: 0.75rem 0;
}
.faq details:first-child { border-top: none; padding-top: 0; }
.faq details:last-child { padding-bottom: 0; }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+";
  display: inline-block;
  width: 1.1rem;
  color: var(--accent-ink);
  font-weight: 700;
}
.faq details[open] summary::before { content: "–"; }
.faq details p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}
footer p { margin: 0 0 0.5rem; }
.footer-aside {
  font-size: 0.8rem;
  color: #64748b;
}

a.btn {
  display: inline-block;
  margin-top: 0.25rem;
  padding: 0.65rem 1.1rem;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  border-radius: 0.5rem;
  font-weight: 600;
}
a.btn:hover { background: var(--accent-ink); }

@media (max-width: 520px) {
  .brief-table th:nth-child(4),
  .brief-table td:nth-child(4),
  .brief-table th:nth-child(5),
  .brief-table td:nth-child(5) { display: none; }
  .inbox-row { grid-template-columns: 3.5rem 1fr; font-size: 0.8rem; }
  .email-window { font-size: 0.78rem; }
}

.footer-aside.quiet {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.75rem;
}