body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
  min-height: 100vh;
}

main {
  min-height: calc(100vh - 140px);
  position: relative;
  box-sizing: border-box;
  padding-bottom: 120px;
}

a {
  text-decoration: none;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.navbar {
  width: 100%;
  background: linear-gradient(to right, #003366, #0055a5);
  padding: 1rem 0;
  position: relative;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.5rem;
  color: #fff;
  transition: all 0.3s ease;
  display: inline-block;
}

.logo:hover {
  transform: scale(1.2);
}

.nav-list {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item a {
  text-decoration: none;
  color: #fff;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-block;
}

.nav-item a:hover {
  transform: scale(1.2);
}

.nav-item a:active {
  transform: scale(1.15);
}

.hamburger-menu {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  width: 24px;
  height: 18px;
  justify-content: center;
}

.hamburger-menu span {
  height: 3px;
  width: 100%;
  background-color: white;
  border-radius: 2px;
  transition: all 0.4s ease;
}

.hamburger-menu.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(-45deg);
}

.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(45deg);
}

footer {
  background-color: #f0f0f0;
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid #ddd;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
}

footer .container p {
  margin: 0;
  color: #555;
}

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

.card {
  background-color: white;
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e0e0e0;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.icon-large {
  margin-bottom: 1.5rem;
}

.icon-large i {
  font-size: 3rem;
  color: #0055a5;
  margin-bottom: 1rem;
}

.section-bg {
  background-color: #f9f9f9;
  padding: 2rem 2rem;
}

.card-title {
  font-size: 1.5rem;
  color: #003366;
  margin-bottom: 1rem;
  font-weight: 600;
}

.card-text {
  color: #666;
  line-height: 1.6;
  font-size: 1rem;
}

@media (max-width: 768px) {
  main {
    padding-bottom: 140px;
  }

  .nav-list {
    list-style: none;
    flex-direction: column;
    gap: 1.5rem;
    background: linear-gradient(to right, #003366, #0055a5);
    width: 100%;
    align-items: center;
    position: absolute;
    top: 100px;
    right: 0;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.6s ease, opacity 0.6s ease;
    z-index: 100;
    padding: 1.5rem 0;
  }

  .nav-list.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-item {
    margin: 0.5rem 0;
  }

  .hamburger-menu {
    display: flex;
  }

  .section-bg {
    padding: 1.5rem 1rem;
  }
  
  .section-header {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .icon-large i {
    font-size: 2.5rem;
  }
  
  .card-title {
    font-size: 1.3rem;
  }
}