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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #2c3e50;
}

.hero-section {
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-warning {
  background-color: #f4c430;
  border-color: #f4c430;
  color: #2c3e50;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-warning:hover {
  background-color: #daa520;
  border-color: #daa520;
  color: #2c3e50;
}

.card {
  border: none;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
}

.card img {
  height: 200px;
  object-fit: cover;
}

.navbar-brand {
  font-size: 1.5rem;
  letter-spacing: 1px;
}

.bg-warning {
  background-color: #f4c430 !important;
  color: #2c3e50 !important;
}

.text-warning {
  color: #f4c430 !important;
}

footer {
  background-color: #2c3e50;
  border-top: 3px solid #f4c430;
}

footer a {
  transition: color 0.3s ease;
}

footer a:hover {
  color: #daa520 !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #2c3e50;
  font-weight: 700;
}

.form-control {
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 10px 15px;
  transition: border-color 0.3s ease;
}

.form-control:focus {
  border-color: #f4c430;
  box-shadow: 0 0 0 0.2rem rgba(244, 196, 48, 0.25);
}

.alert-info {
  background-color: #e8f4f8;
  border-color: #b3e5fc;
  color: #0277bd;
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 350px;
    padding: 20px 0;
  }

  .display-4 {
    font-size: 2rem;
  }

  .lead {
    font-size: 1rem;
  }

  .card img {
    height: 150px;
  }
}

@media (max-width: 576px) {
  .navbar-brand {
    font-size: 1.25rem;
  }

  .display-4 {
    font-size: 1.5rem;
  }

  .btn-lg {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}