:root {
  --accent: #0b3d91;
  --accent-light: #eef6ff;
  --muted: #6b7280;
  --bg: #f9fafb;
  --card: #ffffff;
  --maxw: 960px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  background: var(--bg);
  color: #111827;
  line-height: 1.6;
}

header {
  background: var(--card);
  padding: 16px 32px;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .logo {
  font-weight: 700;
  font-size: 20px;
  color: var(--accent);
}

nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #111827;
  font-weight: 500;
}
nav a.active, nav a:hover {
  color: var(--accent);
}

.container {
  max-width: var(--maxw);
  margin: auto;
  padding: 32px 20px;
}

h1, h2 {
  color: var(--accent);
  margin-top: 0;
}

.card {
  background: var(--card);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  margin-bottom: 24px;
}

footer {
  text-align: center;
  padding: 16px;
  background: var(--card);
  border-top: 1px solid #e5e7eb;
  font-size: 14px;
  color: var(--muted);
}

button, .btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: #092d6d; }

form {
  display: grid;
  gap: 12px;
}
input, textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
}
textarea { min-height: 120px; }