:root {
  --primary: #2563eb;
  --dark: #0f172a;
  --light: #f8fafc;
  --gray: #e5e7eb;
}

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





.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.header {
  background: white;
  border-bottom: 1px solid var(--gray);
}

.logo {
  color: var(--primary);
  font-size: 24px;
}

.nav a {
  color: var(--dark);
  margin-left: 20px;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.nav a:hover {
  color: var(--primary);
}

.hero {
  background: linear-gradient(to right, #2563eb, #1e40af);
  color: white;
  text-align: center;
  padding: 100px 20px;
}

.hero h2 {
  font-size: 42px;
  margin-bottom: 15px;
}

.hero p {
  font-size: 18px;
  opacity: 0.9;
}

.hero button {
  margin-top: 25px;
  padding: 12px 30px;
  background: white;
  color: var(--primary);
  border-radius: 30px;
  font-size: 16px;
  transition: 0.3s;
}

.hero button:hover {
  background: var(--light);
  transform: scale(1.05);
}


.features {
  background: var(--light);
  padding: 70px 0;
}

.feature {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  transition: 0.3s;
}

.feature:hover {
  transform: translateY(-8px);
}


.footer {
  background: var(--dark);
  color: white;
  padding: 25px;
  font-size: 14px;
}


/* Responsive */
@media (max-width: 768px) {
  .hero h2 {
    font-size: 32px;
  }

  .features .container {
    flex-direction: column;
  }
}

  .header .container {
    flex-direction: column;
  }

  .features .container {
    flex-direction: column;
  }