* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

body {
  background: #f4f6f9;
  color: #333;
}

/* Navbar */
.navbar {
  background: #1f2937;
  color: #fff;
  padding: 15px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar a {
  color: #d1d5db;
  margin-left: 20px;
  text-decoration: none;
  font-weight: 500;
}

.navbar a:hover {
  color: #fff;
}

.logo {
  font-size: 22px;
  font-weight: 700;
}

/* Buttons */
.btn, .btn-primary, .btn-secondary {
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}

.btn {
  background: #2563eb;
  color: #fff;
}

.btn-primary {
  background: #2563eb;
  color: white;
}

.btn-secondary {
  background: #e5e7eb;
  color: #111827;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #2563eb, #1e40af);
  color: white;
  padding: 80px 40px;
  text-align: center;
}

.hero h1 {
  font-size: 42px;
  margin-bottom: 15px;
}

.hero p {
  font-size: 18px;
  max-width: 700px;
  margin: auto;
}

.hero-buttons {
  margin-top: 25px;
}

/* Features */
.features {
  padding: 60px 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
}

.feature-card {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  text-align: center;
}

.feature-card h3 {
  margin-bottom: 10px;
  color: #1f2937;
}

/* Footer */
footer {
  background: #111827;
  color: #9ca3af;
  text-align: center;
  padding: 15px;
  margin-top: 40px;
}