:root {
  --bg: #0b0f14;
  --bg-elevated: #121821;
  --text: #eef2f6;
  --text-muted: #9aa7b5;
  --primary: #6c5ce7;
  --primary-hover: #7d6ff2;
  --border: #232b36;
  --radius: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fb;
    --bg-elevated: #ffffff;
    --text: #171923;
    --text-muted: #5b6472;
    --border: #e6e8ee;
  }
}

* { box-sizing: border-box; }

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--primary); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  padding: 8px 18px;
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--primary); }

/* Hero */
.hero {
  padding: 96px 0 72px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 15%, transparent);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
}
.hero-sub {
  max-width: 620px;
  margin: 0 auto 36px;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
}
.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Features */
.features { padding: 80px 0; }
.section-title {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  margin: 0 0 48px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.card-icon { font-size: 1.8rem; margin-bottom: 14px; }
.card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--text-muted); font-size: 0.95rem; line-height: 1.55; }
.card code {
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.85em;
}

/* CTA */
.cta {
  padding: 88px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}
.cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.cta p {
  color: var(--text-muted);
  margin: 0 0 32px;
}
.cta-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-form input {
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.95rem;
  min-width: 260px;
}
.cta-form input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.footer-inner {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}