* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  color: #222;
}

header {
  background: #1f4e79;
  color: white;
  text-align: center;
  padding: 40px 20px;
}

header h1 {
  margin: 0 0 8px;
}

header p {
  margin: 0;
  opacity: 0.85;
}

main {
  max-width: 800px;
  margin: 30px auto;
  padding: 0 20px;
}

.ilan {
  background: white;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.ilan h2 {
  margin: 10px 0 8px;
  font-size: 20px;
}

.ilan p {
  margin: 0 0 12px;
  color: #555;
}

.ilan a {
  color: #1f4e79;
  font-weight: bold;
  text-decoration: none;
}

.ilan a:hover {
  text-decoration: underline;
}

.etiket {
  background: #e3eefa;
  color: #1f4e79;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 20px;
}

footer {
  text-align: center;
  padding: 20px;
  color: #777;
  font-size: 14px;
}

#filtreler {
  margin-bottom: 20px;
}

#filtreler button {
  background: white;
  border: 1px solid #1f4e79;
  color: #1f4e79;
  padding: 8px 16px;
  border-radius: 20px;
  margin-right: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 14px;
}

#filtreler button.aktif {
  background: #1f4e79;
  color: white;
}

#arama {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  border: 1px solid #ccd3da;
  border-radius: 10px;
  margin-bottom: 16px;
}

.bilgi {
  font-size: 14px;
  color: #666;
  margin: 0 0 10px;
}

.kalan {
  float: right;
  font-size: 13px;
  font-weight: bold;
  color: #2e7d32;
}

.kalan.acil {
  color: #c62828;
}

.bos {
  text-align: center;
  color: #777;
  padding: 40px 0;
}

@media (max-width: 600px) {
  header {
    padding: 28px 16px;
  }

  main {
    margin: 20px auto;
    padding: 0 14px;
  }

  .ilan {
    padding: 16px;
  }

  .ilan h2 {
    font-size: 18px;
  }
}

nav {
  margin-top: 14px;
}

nav a, footer a {
  color: inherit;
  margin: 0 8px;
  font-size: 14px;
}

.sayfa {
  background: white;
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  line-height: 1.6;
}
.kaynak {
  font-size: 13px;
  color: #777;
  margin: 0 0 12px;
}