:root {
  --bg: #0b1020;
  --surface: #141b32;
  --text: #e7ebf5;
  --muted: #9aa4bf;
  --primary: #667eea;
  --primary-2: #4c63d2;
  --border: #26304f;
  --maxw: 880px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
}
.brand img {
  border-radius: 8px;
}
.nav nav a {
  margin-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px;
}

.hero {
  text-align: center;
  padding: 48px 12px 32px;
}
.hero h1 {
  font-size: clamp(28px, 6vw, 44px);
  margin: 0 0 12px;
  background: linear-gradient(90deg, #7dd3a8, var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.tagline {
  color: var(--muted);
  font-size: clamp(15px, 3.5vw, 18px);
  max-width: 620px;
  margin: 0 auto 24px;
}
.cta {
  margin: 20px 0 10px;
}
.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
}
.btn-primary {
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  color: #fff;
}
.btn-primary[aria-disabled='true'] {
  opacity: 0.7;
  cursor: default;
}
.privacy-note {
  color: var(--muted);
  font-size: 13px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 32px 0 48px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
.feature h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* FAQ */
.faq {
  max-width: 720px;
  margin: 8px auto 48px;
  padding: 0 4px;
}
.faq h2 {
  font-size: 22px;
  margin-bottom: 12px;
  text-align: center;
}
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}
.faq details p {
  color: var(--muted);
  font-size: 14px;
  margin: 10px 0 0;
}
.faq details a {
  color: var(--primary);
}

/* Legal/content pages */
.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px;
}
.content h1 {
  font-size: 28px;
  margin-bottom: 4px;
}
.content .updated {
  color: var(--muted);
  font-size: 13px;
  margin-top: 0;
}
.content h2 {
  font-size: 19px;
  margin-top: 32px;
}
.content p,
.content li {
  color: #cdd4e6;
  font-size: 15px;
}
.content a {
  color: var(--primary);
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
.footer p,
.footer nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px 20px;
}
.footer {
  padding: 20px 0 40px;
  text-align: left;
  color: var(--muted);
  font-size: 13px;
}
.footer nav a {
  margin-right: 16px;
  color: var(--muted);
}