/* Basic page setup */
body {
  margin: 0;
  font-size: 17px;
  line-height: 1.8;
  color: #1a1a1a;
  background: white;
}

/* Top header (hero) */
.hero {
  background: #e8f1fb;
  padding: 50px 20px;
  text-align: center;
  border-bottom: 1px solid #ddd;
}

.hero h1 {
  margin: 0 0 10px;
  color: #0a66c2;
  font-size: 32px;
}

.hero p {
  margin: 0;
  color: #555;
  font-size: 18px;
}

/* Button grid on the home page */
.grid {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.tile {
  background: white;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 25px 20px;
  width: 220px;
  text-align: center;
  text-decoration: none;
  color: #0a66c2;
  font-size: 18px;
  font-weight: bold;
}

.tile:hover {
  background: #1976d2;
  color: white;
}

/* Back link on detail pages */
.back-bar {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 20px 0;
}

.back-link {
  display: inline-block;
  background: white;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 6px 12px;
  color: #0a66c2;
  text-decoration: none;
}

.back-link:hover {
  background: #f4f8fb;
}

/* Detail page content */
.detail {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 20px 50px;
}

.detail h2 {
  color: #0a66c2;
  font-size: 28px;
  margin: 15px 0 20px;
}

.detail img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 20px;
}

.detail p {
  margin: 0 0 15px;
  font-size: 17px;
}

/* Footer at the bottom */
.footer {
  background: #f4f8fb;
  padding: 25px 20px;
  text-align: center;
  color: #555;
  border-top: 1px solid #ddd;
}

/* Phone screens */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 24px;
  }

  .tile {
    width: 100%;
  }

  .detail h2 {
    font-size: 22px;
  }

  .detail img {
    height: 220px;
  }
}