/* Genel Ayarlar ve Profesyonel Modern Tasarım */
body {
	background-color: #f4f6f9;
	font-family: 'Segoe UI', Tahoma, sans-serif;
	margin: 0; padding: 0; color: #2c3e50;
    line-height: 1.6;
}

/* Header */
header {
	background: #ffffff;
	border-bottom: 1px solid #eaeaea;
	box-shadow: 0 2px 10px rgba(0,0,0,0.03);
	padding: 20px 0;
}
.header-icerik {
	width: 90%; max-width: 1200px; margin: 0 auto;
	display: flex; justify-content: space-between; align-items: center;
}
.logo a { font-size: 26px; font-weight: 800; color: #2c3e50; text-decoration: none; }
.slogan { font-size: 13px; color: #7f8c8d; font-weight: 600; margin-top: 4px; }

.arama-alani form { display: flex; gap: 10px; }
.arama-alani input { padding: 12px 15px; width: 280px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px; outline: none; transition: 0.3s; }
.arama-alani input:focus { border-color: #3498db; }
.btn-ara { background: #3498db; color: white; border: none; padding: 12px 20px; border-radius: 6px; cursor: pointer; font-weight: bold; }
.btn-ara:hover { background: #2980b9; }

/* Kategori Menüsü */
.kategori-menu { background: #2c3e50; padding: 15px 0; }
.kategori-icerik { width: 90%; max-width: 1200px; margin: 0 auto; display: flex; gap: 15px; overflow-x: auto; }
.kategori-icerik a { color: #bdc3c7; text-decoration: none; font-size: 15px; font-weight: 600; padding: 5px 10px; border-radius: 4px; transition: 0.2s; white-space: nowrap; }
.kategori-icerik a:hover, .kategori-icerik a.aktif { background: #34495e; color: #fff; }

.ana-konteyner { width: 90%; max-width: 1200px; margin: 40px auto; }

/* Grid Sistem Ana Sayfa */
.program-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 30px; }
.program-kart { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.05); transition: 0.3s; display: flex; flex-direction: column; }
.program-kart:hover { transform: translateY(-5px); box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.kart-resim img { width: 100%; height: 180px; object-fit: cover; display: block; border-bottom: 1px solid #eee; }
.kart-icerik { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.kategori-badge { font-size: 12px; background: #e8f4f8; color: #3498db; padding: 4px 8px; border-radius: 4px; display: inline-block; margin-bottom: 10px; font-weight: bold; align-self: flex-start; }
.program-isim { font-size: 18px; margin: 0 0 10px 0; line-height: 1.3; }
.program-isim a { color: #2c3e50; text-decoration: none; }
.program-isim small { font-size: 13px; color: #95a5a6; font-weight: normal; }
.program-aciklama { font-size: 14px; color: #7f8c8d; margin-bottom: 20px; flex: 1; }
.kart-alt { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid #eee; padding-top: 15px; }
.boyut { font-size: 13px; color: #95a5a6; font-weight: 600; }
.btn-detay { background: #f8f9fa; color: #2c3e50; padding: 8px 15px; border-radius: 4px; text-decoration: none; font-size: 13px; font-weight: bold; border: 1px solid #ddd; transition: 0.2s; }
.btn-detay:hover { background: #3498db; color: #fff; border-color: #3498db; }

/* Sayfalama */
.sayfalama { margin-top: 40px; display: flex; justify-content: center; gap: 10px; }
.sayfalama a { background: #fff; color: #2c3e50; padding: 10px 15px; border-radius: 6px; text-decoration: none; font-weight: bold; border: 1px solid #ddd; transition: 0.2s; }
.sayfalama a:hover, .sayfalama a.aktif { background: #3498db; color: #fff; border-color: #3498db; }

/* Detay Sayfası Tasarımı */
.detay-layout { display: grid; grid-template-columns: 2.5fr 1fr; gap: 30px; }
.detay-kutu { background: #fff; border-radius: 10px; padding: 30px; box-shadow: 0 4px 15px rgba(0,0,0,0.03); margin-bottom: 30px; }
.detay-resim { width: 100%; max-height: 400px; object-fit: contain; border-radius: 8px; margin-bottom: 20px; background: #f8f9fa; border: 1px solid #eee; }
.detay-kutu h1 { margin: 0 0 15px 0; font-size: 28px; }
.versiyon-badge { font-size: 14px; background: #34495e; color: #fff; padding: 4px 10px; border-radius: 4px; vertical-align: middle; }
.detay-meta { display: flex; gap: 20px; color: #7f8c8d; font-size: 15px; padding: 15px; background: #f8f9fa; border-radius: 6px; }
.icerik-alani h3 { color: #2c3e50; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-top: 30px; }
.icerik-alani h3:first-child { margin-top: 0; }
.html-icerik { font-size: 16px; color: #555; }

/* Sağ Panel (İndirme Alanı) */
.indirme-kutu { background: #fff; border-radius: 10px; padding: 25px; box-shadow: 0 4px 15px rgba(0,0,0,0.03); position: sticky; top: 20px; text-align: center; border-top: 4px solid #2ecc71; }
.indirme-kutu h3 { margin: 0 0 10px 0; font-size: 20px; }
.indirme-kutu p { font-size: 14px; color: #7f8c8d; margin-bottom: 20px; }
.btn-dev-indir { display: block; background: #2ecc71; color: white; text-decoration: none; padding: 18px; font-size: 18px; font-weight: bold; border-radius: 6px; transition: 0.3s; }
.btn-dev-indir:hover { background: #27ae60; transform: scale(1.02); }
.guvenlik-notu { display: block; margin-top: 15px; font-size: 12px; color: #95a5a6; }

@media(max-width: 900px) {
    .detay-layout { grid-template-columns: 1fr; }
    .header-icerik { flex-direction: column; gap: 15px; }
}