* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  background: #2f2f2f;
  color: #f5f5f5;
  line-height: 1.6;
}

.site-header {
  background: #1b1b1b;
  padding: 1.6rem 1rem;
  text-align: center;
  border-bottom: 1px solid #333;
}

.tagline {
  color: #9ad36a;
  font-weight: 600;
  margin-top: 0.4rem;
}

.content {
  max-width: 850px;
  margin: auto;
  padding: 2.2rem 1.5rem;
}

.content.dark {
  background: #1b1b1b;
  border-top: 1px solid #333;
  border-bottom: 1px solid #333;
}

.intro {
  font-size: 1rem;
  opacity: 0.95;
}

h3 {
  color: #9ad36a;
  margin-bottom: 1rem;
}

.form {
  max-width: 600px;
  margin-top: 1rem;
  display: grid;
  gap: 0.9rem;
}

.form input,
.form select {
  padding: 0.7rem;
  border-radius: 6px;
  border: none;
}

.btn {
  padding: 0.8rem 1.4rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  margin-top: 0.8rem;
}

.btn.primary {
  background: #0c6b3c;
  color: #fff;
}

.notice {
  padding-left: 1.2rem;
}

.notice li {
  margin-bottom: 0.5rem;
}

.note,
.small {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: 0.8rem;
}

.site-footer {
  background: #111;
  text-align: center;
  padding: 1.4rem 1rem;
}

.site-footer a {
  color: #9ad36a;
}