body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  color: #222;
  background: url("../media/background.jpg") no-repeat center center fixed;
  background-size: cover;
}

header,
footer {
  background: #004080;
  color: #fff;
  text-align: center;
  padding: 1em;
}

footer a,
footer a:visited,
footer a:hover,
footer a:active {
  color: #fff !important;
  text-decoration: underline;
}

footer .pdf-button {
  display: inline-block;
  margin-top: 1em;
  padding: 0.5em 1em;
  background: #0066cc;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: background 0.3s ease;
}

footer .pdf-button:hover {
  background: #3399ff;
}

main {
  max-width: 800px;
  margin: 2em auto;
  background: rgba(255, 255, 255, 0.95);
  padding: 2em;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
}

fieldset {
  border: 1px solid #ccc;
  margin-bottom: 1.5em;
  padding: 1.5em;
  border-radius: 8px;
  background-color: #f9f9f9;
}

legend {
  font-size: 1.3em;
  color: #004080;
  border-bottom: 1px solid #ccc;
  margin-bottom: 0.5em;
  padding-bottom: 0.3em;
}

label {
  display: block;
  margin-top: 0.75em;
  font-weight: 600;
  color: #003366;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.7em;
  margin-top: 0.3em;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 1em;
  box-sizing: border-box;
  transition: border 0.3s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #0066cc;
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

button {
  background: #004080;
  color: #fff;
  padding: 0.7em 1.2em;
  border: none;
  border-radius: 6px;
  font-size: 1em;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background: #0066cc;
}

.error {
  color: red;
  font-size: 0.9em;
  margin-top: 0.2em;
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-top: 1em;
}

.checkbox-container input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.checkbox-container label {
  margin: 0;
  font-weight: normal;
  display: inline;
}

.checkbox-container a {
  color: #004080;
  text-decoration: underline;
}

@media (max-width: 600px) {
  fieldset {
    padding: 1em;
  }
  button {
    width: 100%;
  }
  .checkbox-container {
    flex-direction: column;
    align-items: flex-start;
  }
}

.bluesea_logo {
  max-width: 150px;
  max-height: 80px;
  height: auto;
  display: block;
  margin: 0 auto 1em;
}

.back-link {
  display: inline-block;
  margin-top: 2em;
  padding: 0.5em 1em;
  background: #004080;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.3s ease;
}

.back-link:hover {
  background: #0066cc;
}