body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f3f3f3;
  color: #222;
}

header.hero {
  position: relative;
  color: white;
  padding: 60px 20px;
  text-align: center;
  background-size: cover;
  background-position: center;
}

header.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
}

header.hero .inner {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

header.hero h1 {
  margin: 0;
  font-size: 34px;
}

header.hero p {
  margin-top: 10px;
  font-size: 16px;
  opacity: 0.95;
}

header h1 {
  margin: 0;
  font-size: 32px;
}

header p {
  margin-top: 10px;
  font-size: 16px;
  opacity: 0.9;
}

nav {
  background: #444;
  padding: 12px;
  text-align: center;
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 12px;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

main {
  max-width: 1100px;
  margin: auto;
  padding: 30px 20px;
}

h2 {
  text-align: center;
  margin-bottom: 25px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  text-decoration: none;
  color: black;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  transition: 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 18px rgba(0,0,0,0.15);
}

.card h3 {
  margin-top: 0;
}

.card span {
  display: inline-block;
  margin-top: 15px;
  font-weight: bold;
  color: #0066cc;
}

footer {
  text-align: center;
  padding: 25px;
  background: #222;
  color: white;
  margin-top: 40px;
}
.btn {
  display: inline-block;
  margin-top: 12px;
  padding: 12px 18px;
  background: #0066cc;
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: bold;
}

.btn:hover {
  filter: brightness(0.9);
}

.notice {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  margin-top: 16px;
}