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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background: #f4f8fc;
  color: #333;
  scroll-behavior: smooth;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 999;
}

.logo {
  height: 50px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

nav a {
  text-decoration: none;
  color: #005a9c;
  font-weight: 600;
}

nav a:hover {
  color: #007bff;
}

.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #e0f7ff, #f3f9ff);
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: auto;
}

h2 {
  font-size: 2rem;
  color: #003366;
  margin-bottom: 2rem;
  text-align: center;
}

.service-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.service-card {
  padding: 1.5rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-5px);
  background-color: #eaf6ff;
}

footer {
  text-align: center;
  padding: 2rem;
  background: #003366;
  color: white;
}

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    background: white;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    display: none;
    padding: 1rem;
  }

  nav ul.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
    cursor: pointer;
  }
}