/* Base Reset & Global Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}
a {
  color: #0077cc;
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover {
  color: #005fa3;
}

/* Header & Navigation */
header {
  background-color: #fff;
  padding: 1rem 2rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
}
header h1 {
  margin-bottom: 0.5rem;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}
nav li a {
  font-weight: 700;
}

/* Hero Section (Home Page) */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #0077cc, #00aaff);
  color: #fff;
}
.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.cta-btn {
  display: inline-block;
  background-color: #fff;
  color: #0077cc;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}
.cta-btn:hover {
  background-color: #e6e6e6;
}

/* Form Section */
.form-section {
  max-width: 600px;
  margin: auto;
  background: #fff;
  padding: 2rem;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.form-section form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-section label {
  font-weight: 700;
}
.form-section input,
.form-section textarea {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

/* Directory Listing */
.listing-section {
  max-width: 800px;
  margin: auto;
  padding: 1rem;
}
.listing-item {
  background: #fff;
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem 0;
  background-color: #fff;
  border-top: 1px solid #e6e6e6;
  margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  header, .hero, .form-section, .listing-section {
    padding: 1rem;
  }
  nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }
}