:root {
  --bg: #0b1120;
  --bg-2: #0f172a;
  --surface: #111c30;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #67e8f9;
  --accent-2: #38bdf8;
  --border: #1e293b;
  --max: 1080px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 50% -10%, #1e293b 0%, var(--bg) 60%);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
code {
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  font: 13px/1 ui-monospace, "JetBrains Mono", Menlo, monospace;
  color: #fde68a;
}
h1, h2, h3 { color: #f8fafc; line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(34px, 5vw, 56px); letter-spacing: -0.02em; }
h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -0.01em; margin-bottom: 24px; }
h3 { font-size: 18px; }
p { margin: 0 0 12px; }

/* Nav */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px clamp(20px, 4vw, 40px);
  max-width: var(--max);
  margin: 0 auto;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; color: #f8fafc;
}
.nav nav { display: flex; gap: 22px; align-items: center; }
.nav nav a { color: var(--muted); font-size: 14px; }
.nav nav a:hover { color: var(--text); }
.cta-sm {
  background: var(--accent);
  color: #0b1120 !important;
  padding: 7px 14px;
  border-radius: 8px;
  font-weight: 600;
}
.cta-sm:hover { background: var(--accent-2); color: #0b1120 !important; }

/* Sections */
main { max-width: var(--max); margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); }
section { padding: 64px 0; }

/* Hero */
.hero { text-align: center; padding-top: 48px; }
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
}
.lead {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--muted);
  max-width: 640px;
  margin: 20px auto 32px;
}
.cta-row { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  transition: transform .1s ease, background .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); color: #0b1120; }
.btn.primary:hover { background: var(--accent-2); color: #0b1120; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.micro { font-size: 13px; color: var(--muted); margin-top: 18px; }

.browser-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 28px;
}
.browser-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}
.browser-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* Features */
.features .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.features article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  transition: border-color .15s ease, transform .15s ease;
}
.features article:hover { border-color: var(--accent); transform: translateY(-2px); }
.features article h3 { margin-bottom: 6px; color: var(--accent); }
.features article p { color: var(--muted); margin: 0; font-size: 14.5px; }

/* Privacy */
.privacy ul { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 10px; }
.privacy li {
  background: var(--surface);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  border-radius: 8px;
  color: var(--muted);
}
.privacy li strong { color: var(--text); }

/* FAQ */
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq details[open] { border-color: var(--accent); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 10px 0 0; color: var(--muted); }

/* CTA bottom */
.cta-bottom {
  text-align: center;
  background: var(--surface);
  border-radius: 16px;
  padding: 56px 24px;
  margin-bottom: 64px;
  border: 1px solid var(--border);
}
.cta-bottom h2 { margin-bottom: 24px; }

/* Footer */
footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px clamp(20px, 4vw, 40px) 48px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
}
footer p { margin: 6px 0; }

@media (max-width: 600px) {
  .nav nav a:not(.cta-sm) { display: none; }
  section { padding: 48px 0; }
}