* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; color: #333; }

/* NAV */
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 5%; background: #0a0f2e; color: white;
}
nav ul { display: flex; list-style: none; gap: 2rem; }
nav ul a { color: white; text-decoration: none; }

/* BUTTONS */
.btn {
  background: #4f46e5; color: white; padding: 0.6rem 1.4rem;
  border-radius: 6px; text-decoration: none; border: none; cursor: pointer;
}
.btn-large { padding: 1rem 2.5rem; font-size: 1.1rem; }

/* HERO */
.hero {
  text-align: center; padding: 6rem 2rem;
  background: linear-gradient(135deg, #0a0f2e, #1e3a8a); color: white;
}
.hero h1 { font-size: 2.8rem; margin-bottom: 1rem; }
.hero p  { font-size: 1.2rem; margin-bottom: 2rem; opacity: 0.85; }

/* SECTIONS */
section { padding: 4rem 5%; text-align: center; }
section h2 { font-size: 2rem; margin-bottom: 2.5rem; }

/* GRIDS */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* FEATURE CARDS */
.card { background: #f8f9ff; padding: 2rem; border-radius: 10px; }
.card h3 { margin-bottom: 0.5rem; }

/* PLAN CARDS */
.plan-card {
  border: 2px solid #e2e8f0; border-radius: 12px; padding: 2rem;
}
.plan-card.featured { border-color: #4f46e5; background: #f0f0ff; }
.plan-card .price { font-size: 2.5rem; font-weight: bold; margin: 1rem 0; }
.plan-card .price span { font-size: 1rem; color: #666; }
.plan-card ul { list-style: none; margin: 1rem 0 1.5rem; line-height: 2; }

/* CONTACT */
.contact-form {
  display: flex; flex-direction: column; max-width: 500px;
  margin: 0 auto; gap: 1rem;
}
.contact-form input, .contact-form textarea {
  padding: 0.8rem; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem;
}
.contact-form textarea { height: 120px; }

/* FOOTER */
footer { background: #0a0f2e; color: #aaa; text-align: center; padding: 1.5rem; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .grid-3 { grid-template-columns: 1fr; }
  nav ul { display: none; }
}