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

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: linear-gradient(135deg, #dfe9f3, #ffffff);
  min-height: 100vh;
}

header {
  text-align: center;
  padding: 40px 20px;
}

h1 {
  font-size: 2.4rem;
  margin-bottom: 5px;
}

header p {
  font-size: 1rem;
  margin-bottom: 20px;
}

#search {
  padding: 12px 18px;
  width: 260px;
  border-radius: 25px;
  border: 1px solid #ccc;
  outline: none;
  font-size: 1rem;
  transition: 0.2s;
}

#search:focus {
  border-color: #007bff;
  box-shadow: 0 0 6px rgba(0, 123, 255, 0.4);
}

.container {
  max-width: 1000px;
  margin: 20px auto;
  padding: 10px 20px;
  display: grid;
  gap: 25px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(8px);
  border-radius: 15px;
  padding: 20px;
  text-decoration: none;
  color: #000;
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
  transition: 0.25s;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.18);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.3rem;
}