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

body {
  font-family: Arial, sans-serif;
  background: #f4f7fb;
  color: #222;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 900px;
  margin: auto;
}

.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url("https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&w=1400&q=80")
    center/cover no-repeat;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

.overlay {
  width: 100%;
  padding: 60px 20px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.cta-btn {
  display: inline-block;
  background: #2563eb;
  color: white;
  padding: 12px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
}

.cta-btn:hover {
  background: #1d4ed8;
}

main {
  margin-top: 30px;
  margin-bottom: 30px;
}

.card {
  background: white;
  padding: 25px;
  margin-bottom: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.card h2 {
  margin-bottom: 15px;
  color: #2563eb;
}

.event-info {
  list-style: none;
}

.event-info li {
  margin-bottom: 10px;
}

.form-group {
  margin-bottom: 18px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
}

input,
select {
  width: 100%;
  padding: 12px;
  border: 1px solid #bbb;
  border-radius: 8px;
  font-size: 1rem;
}

button {
  margin-top: 10px;
  width: 100%;
  padding: 14px;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
}

button:hover {
  background: #1d4ed8;
}

#message {
  margin-top: 15px;
  font-weight: bold;
  text-align: center;
}

footer {
  text-align: center;
  padding: 20px;
  background: #111827;
  color: white;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }
}