/* Basic reset */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  background-color: #f5f5f5;
  color: #222;
}

header {
  background-color: #135c75;
  color: #ffffff;
  padding: 1.5rem 1rem;
}

header h1 {
  margin: 0 0 0.25rem 0;
}

.tagline {
  margin: 0 0 1rem 0;
  font-size: 0.95rem;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
}

nav a:hover,
nav a[aria-current="page"] {
  background-color: #0b3c4d;
}

main {
  max-width: 900px;
  margin: 1.5rem auto;
  padding: 0 1rem 2rem 1rem;
  background-color: #ffffff;
  border-radius: 6px;
  box-shadow: 0 0 6px rgba(0,0,0,0.06);
}

section + section {
  margin-top: 1.5rem;
}

h2 {
  margin-top: 0;
}

ul {
  padding-left: 1.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
}

caption {
  text-align: left;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

th, td {
  border: 1px solid #ddd;
  padding: 0.5rem;
}

th {
  background-color: #f0f4f6;
}

form {
  display: grid;
  gap: 1rem;
}

fieldset {
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 1rem;
}

legend {
  font-weight: bold;
}

label {
  display: block;
  margin-top: 0.5rem;
}

input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
  border-radius: 4px;
  border: 1px solid #ccc;
}

button[type="submit"] {
  padding: 0.6rem 1.25rem;
  border: none;
  border-radius: 4px;
  background-color: #135c75;
  color: #ffffff;
  font-size: 1rem;
  cursor: pointer;
}

button[type="submit"]:hover {
  background-color: #0b3c4d;
}

.required {
  color: #b30000;
  margin-left: 0.15rem;
}

footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  color: #555;
}