* { margin: 0; padding: 0; box-sizing: border-box; font-family: sans-serif; scroll-behavior: smooth; }
body { background-color: #1a1a1a; color: white; overflow-x: hidden; }

header { background-color: #f1c40f; padding: 1rem 5%; position: sticky; top: 0; z-index: 1000; }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: bold; color: #1a1a1a; }
nav ul { display: flex; list-style: none; }
nav ul li { margin-left: 15px; }
nav ul li a { text-decoration: none; color: #1a1a1a; font-weight: bold; font-size: 0.9rem; }

.hero { height: 50vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; background: #000; padding: 20px; }
.hero h1 { color: #f1c40f; font-size: 2rem; margin-bottom: 10px; }

.panel { padding: 40px 20px; display: flex; justify-content: center; }
.form-kutu { background-color: #1a1a1a; padding: 25px; border: 2px solid #f1c40f; border-radius: 15px; width: 100%; max-width: 400px; text-align: center; }
input { width: 100%; padding: 12px; margin: 8px 0; border-radius: 5px; border: none; background: #333; color: white; }
button { background: #f1c40f; color: #1a1a1a; padding: 12px 20px; border: none; font-weight: bold; border-radius: 5px; cursor: pointer; width: 100%; margin-top: 10px; }

.ilan-kart { background: #333; border-left: 5px solid #f1c40f; padding: 15px; margin-bottom: 10px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; }
.btn-sil { background: #ff4d4d; color: white; width: auto; padding: 5px 10px; font-size: 0.7rem; }
.btn-sohbet { background: #f1c40f; width: auto; padding: 8px 12px; font-size: 0.8rem; margin-right: 5px; }

.vizyon-kartlar { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; padding: 20px; }
.v-kart { background: #222; padding: 20px; border-radius: 10px; border-bottom: 3px solid #f1c40f; width: 100%; max-width: 250px; }

/* Mobil Ayarlar */
@media (max-width: 600px) {
    .hero h1 { font-size: 1.5rem; }
    nav ul { display: none; } /* Mobilde menü kalabalığını gizler */
    .ilan-kart { flex-direction: column; text-align: center; gap: 10px; }
}