/* Base styling */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: #f5f8fa;
  color: #222;
  line-height: 1.5;
}

/* HERO */
.hero {
  text-align: center;
  padding: 60px 20px;
  background: white;
  border-bottom: 1px solid #eee;
}

.logo {
  width: 120px;
  height: auto;
  margin-bottom: 20px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.subtitle {
  font-size: 1.1rem;
  max-width: 420px;
  margin: 0 auto 30px;
  color: #555;
}

/* Button */
.cta {
  display: inline-block;
  background: #0090d0;
  color: white;
  padding: 14px 26px;
  border-radius: 8px;
  font-size: 1.1rem;
  text-decoration: none;
  transition: background 0.15s ease;
}

.cta:hover {
  background: #0079ac;
}

/* Prize Section */
.prize {
  padding: 50px 20px;
  text-align: center;
}

.prize-img {
  max-width: 420px;
  width: 100%;
  margin: 0 auto 20px;
  display: block;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* Rules */
.rules {
  max-width: 600px;
  margin: 40px auto;
  padding: 0 20px;
}

.rules h2 {
  text-align: center;
  margin-bottom: 20px;
}

.rules ul {
  padding-left: 20px;
  color: #444;
}

.rules li {
  margin-bottom: 10px;
}

/* Footer */
footer {
  padding: 30px 20px;
  text-align: center;
  font-size: 0.9rem;
  color: #777;
  border-top: 1px solid #eee;
}

/* Responsive */
@media (min-width: 768px) {
  h1 {
    font-size: 2.4rem;
  }

  .subtitle {
    font-size: 1.2rem;
  }
}