* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0e0f12;
  --surface: #16181d;
  --text: #e8e9ec;
  --muted: #9aa1ad;
  --accent: #4f8cff;
  --accent-hover: #6aa1ff;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container { max-width: 760px; margin: 0 auto; padding: 0 24px; }

header { padding: 32px 0 16px; }
.brand { font-size: 20px; font-weight: 700; letter-spacing: -0.5px; }

main { flex: 1; padding: 24px 0; }

.hero { text-align: center; padding: 56px 24px 64px; }
.hero h2 { font-size: 44px; font-weight: 800; line-height: 1.1; letter-spacing: -1px; margin-bottom: 16px; }
.hero .lede { font-size: 18px; color: var(--muted); max-width: 520px; margin: 0 auto 32px; }

.cta {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: none;
  padding: 18px 48px;
  font-size: 18px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}
.cta:hover { background: var(--accent-hover); }
.cta:disabled { opacity: 0.6; cursor: not-allowed; }

.sub { color: var(--muted); margin-top: 12px; font-size: 14px; }
.trial-link { color: var(--muted); margin-top: 8px; font-size: 14px; }
.trial-link a { color: var(--accent); text-decoration: none; }
.trial-link a:hover { text-decoration: underline; }

.features {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  margin: 48px auto;
}
.feature {
  background: var(--surface);
  padding: 24px;
  border-radius: 8px;
}
.feature h3 { font-size: 16px; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 14px; }

@media (max-width: 720px) {
  .features { grid-template-columns: 1fr; }
  .hero h2 { font-size: 32px; }
}

.faq { margin: 64px auto; }
.faq h2 { font-size: 24px; margin-bottom: 24px; }
.faq details {
  background: var(--surface);
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 12px;
}
.faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: " +"; color: var(--muted); float: right; }
.faq details[open] summary::after { content: " −"; }
.faq details p { color: var(--muted); margin-top: 12px; font-size: 15px; }

footer { padding: 32px 0; border-top: 1px solid #1f2128; }
footer p { color: var(--muted); font-size: 14px; margin-bottom: 6px; }
footer a { color: var(--accent); text-decoration: none; }
footer .fine { font-size: 12px; }
