*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body{
  height: 100vh;
  color: white;
  overflow-x: hidden;
}

.nav{
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center; 
  padding: 20px 50px;
  background: rgba(0, 0, 0, 0.2); 
  backdrop-filter: blur(10px); 
  z-index: 1000;
}

.logo{
  position: absolute;
  font-size: 26px;
  color: white;
  font-weight: 700;
  left: 50px;
  letter-spacing: 2px;
}

.logo span{
  color: #8B5CF6; 
}

.menü{
  display: flex;
  gap: 50px; 
  list-style: none;
}

.menü li a{
  color: #ffffff;
  position: relative;
  font-weight: 500;
  font-size: 18px;
  text-decoration: none;
  letter-spacing: 1px;
  transition: 0.3s;
  padding-bottom: 8px;
}

.menü li a::after{
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: #b8b8ff; 
  transition: 0.4s ease;
}

.menü li a:hover::after{
  width: 100%; 
}

.menü li a:hover{
  font-weight: bold;
  color: #b8b8ff;
}


.hakkinda {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 100px; 
  background-image: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)),url(uzaykısımresim/arkaplan5.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: 0 0 20px 8px rgba(173, 216, 230, 0.5);
    
}

.arka-kis {
  background-image: url(uzaykısımresim/arkaplan2.jpg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 50px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px;
  background: rgba(255, 255, 255, 0.03); 
  backdrop-filter: blur(15px); 
  border-radius: 30px;
  border: 1px solid rgba(184, 184, 255, 0.1);
  box-shadow: 0 0 20px 8px rgba(173, 216, 230, 0.5);
  z-index: 2;
}

.foto img {
  width: 250px;
  height: 250px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #b8b8ff; 
  transition: transform 0.4s ease;
}

.foto img:hover {
  transform: scale(1.05); 
}

.metin {
  flex: 1;
  min-width: 300px;
}

.metin h2 {
  font-size: 36px;
  margin-bottom: 20px;
  color: #b8b8ff; 
  text-shadow: 0 0 10px rgba(184, 184, 255, 0.3);
}

.metin p {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 15px;
  color: #e0e0e0; 
  font-weight: 300;
}


/* ===================== */
/* MOBİL UYUMLULUK */
/* ===================== */
@media (max-width: 768px) {

  /* NAVBAR */
  .nav {
    flex-direction: column;
    padding: 15px;
  }

  .logo {
    position: static;
    margin-bottom: 10px;
  }

  .menü {
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
  }

  .menü li a {
    font-size: 14px;
  }

  /* GEZEGEN ALANI */
  .gezegen {
    padding: 120px 6% 60px;
  }

  .icerik,
  .icerik.ters {
    flex-direction: column;
    gap: 40px;
    text-align: center;
  }

  .icerik .yazi,
  .icerik.ters .yazi {
    left: 0;
    right: 0;
  }

  .yazi h1 {
    font-size: 44px;
  }

  .yazi p {
    font-size: 16px;
  }

  .bilgi-kutusu {
    justify-content: center;
    flex-wrap: wrap;
  }

  .cerceve {
    width: 100%;
    height: 320px;
  }
}