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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f5f8fa;
  color: #333;
  line-height: 1.6;
  padding: 20px;
  max-width: 900px;
  margin: auto;
}

header {
  background-color: #00695c;
  color: #fff;
  padding: 20px 15px;
  text-align: center;
  border-radius: 6px;
  margin-bottom: 30px;
}

header h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

nav a {
  color: #a5d6a7;
  text-decoration: none;
  margin: 0 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #c8e6c9;
}

main section, main article {
  background: #fff;
  border-radius: 8px;
  padding: 20px 25px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.05);
  margin-bottom: 25px;
}

h2, h3 {
  color: #004d40;
  margin-bottom: 12px;
}

a {
  color: #00796b;
  text-decoration: underline;
}

a:hover {
  color: #004d40;
}

footer {
  text-align: center;
  font-size: 0.9rem;
  color: #777;
  margin-top: 40px;
}

form label {
  display: block;
  margin: 15px 0 6px 0;
  font-weight: 600;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
}

textarea {
  min-height: 120px;
}

button {
  background-color: #00695c;
  color: white;
  border: none;
  padding: 12px 25px;
  font-size: 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 15px;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #004d40;
}

.disclaimer {
  font-size: 0.9rem;
  color: #555;
  margin-top: 15px;
}

label > input[type="checkbox"] {
  margin-right: 8px;
}

/* Responsive */
@media (max-width: 600px) {
  body {
    padding: 15px;
  }
  nav a {
    display: block;
    margin: 8px 0;
  }
}