:root {
  --ink: #1a1626;
  --muted: #5d5570;
  --line: #ece8f2;
  --bg: #ffffff;
  --bg-soft: #faf8fe;
  --brand-a: #7c3aed;
  --brand-b: #ec4899;
  --max: 760px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-a); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---- top nav ---- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: var(--max);
  margin: 0 auto;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--ink);
}
.brand .dot {
  width: 26px;
  height: 26px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.35);
}
.nav-links a {
  margin-left: 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
}
.nav-links a:hover { color: var(--ink); }

/* ---- hero ---- */
.hero {
  background: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  color: #fff;
  padding: 72px 24px 84px;
  text-align: center;
}
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 40px;
  line-height: 1.15;
  margin: 0 auto 16px;
  max-width: 14ch;
}
.hero p {
  font-size: 18px;
  margin: 0 auto;
  max-width: 46ch;
  opacity: 0.95;
}

/* ---- features ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: -48px auto 0;
  max-width: var(--max);
  padding: 0 24px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 12px 40px rgba(26, 22, 38, 0.06);
}
.card .ico { font-size: 26px; }
.card h3 { margin: 12px 0 6px; font-size: 17px; }
.card p { margin: 0; font-size: 14px; color: var(--muted); }

/* ---- legal / content pages ---- */
.content { padding: 48px 0 24px; }
.content h1 { font-size: 32px; margin: 0 0 4px; }
.content .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.content h2 { font-size: 20px; margin: 32px 0 8px; }
.content h3 { font-size: 16px; margin: 20px 0 4px; }
.content p, .content li { color: #2c2740; }
.content ul { padding-left: 20px; }
.content li { margin: 4px 0; }
.callout {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  font-size: 14px;
  color: var(--muted);
}

/* ---- footer ---- */
.footer {
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding: 28px 24px 48px;
}
.footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  justify-content: space-between;
}
.footer a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; }
.footer a:hover { color: var(--ink); }
.footer .copy { color: var(--muted); font-size: 14px; }

/* ---- not found ---- */
.center-screen {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}

@media (max-width: 640px) {
  .features { grid-template-columns: 1fr; margin-top: -40px; }
  .hero h1 { font-size: 32px; }
}