:root {
  --bg: #0b0f19;
  --bg-soft: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #6366f1;
  --accent-2: #a855f7;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: min(1100px, 100% - 3rem); margin-inline: auto; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav__logo { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.nav__links { display: flex; align-items: center; gap: 1.5rem; }
.nav__links a { color: var(--muted); text-decoration: none; font-size: 0.95rem; transition: color .2s; }
.nav__links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-block; padding: 0.7rem 1.4rem; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 600; text-decoration: none; border: none; cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(99, 102, 241, 0.45); }
.btn--ghost { background: transparent; border: 1px solid var(--border); box-shadow: none; }
.btn--ghost:hover { border-color: var(--accent); }
.btn--light { background: #fff; color: #111; box-shadow: none; }
.btn--small { padding: 0.45rem 1rem; font-size: 0.85rem; }

/* Hero */
.hero { padding: 6rem 0 5rem; text-align: center; }
.hero__inner { display: flex; flex-direction: column; align-items: center; gap: 1.25rem; }
.badge {
  padding: 0.4rem 1rem; border-radius: 999px; font-size: 0.85rem;
  background: rgba(99, 102, 241, 0.12); color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.3);
}
.hero h1 { font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 800; letter-spacing: -0.03em; }
.gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero__sub { max-width: 560px; color: var(--muted); font-size: 1.1rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

/* Sections */
.section-title { font-size: 2rem; font-weight: 700; text-align: center; }
.section-sub { color: var(--muted); text-align: center; margin-top: 0.4rem; }
.features { padding: 4rem 0; }
.features__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem; margin-top: 3rem;
}
.card {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem; transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(99, 102, 241, 0.4); }
.card__icon { font-size: 2rem; margin-bottom: 0.75rem; }
.card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* CTA */
.cta { padding: 4rem 0; }
.cta__inner {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 20px; padding: 3rem 2rem; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.cta h2 { font-size: 1.8rem; }
.cta p { opacity: 0.9; }
.cta code { background: rgba(0,0,0,0.2); padding: 0.2rem 0.5rem; border-radius: 6px; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 2rem 0; }
.footer__inner { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.9rem; flex-wrap: wrap; gap: 0.5rem; }

@media (max-width: 640px) {
  .nav__links a:not(.btn) { display: none; }
}