body { background: #f6f7fb; font-family: 'POPPINS', sans-serif; overflow-x: hidden; }
.sidebar { font-size: 0.8rem;color:white; width: 250px; background: #008B8B; border-right: 1px solid #e6e9ef; height: 100vh; position: fixed; top: 0; left: 0; z-index: 1040; transition: left 0.3s ease; }
.sidebar .brand { font-weight:  ; letter-spacing: 0.3px; }
.nav-link.active { background: rgba(13,110,253,0.06); color: #fff; border-radius: 8px; }
.nav-link  {  color: #fff; font-weight:  ;  }
.sidebar .submenu { display: none; padding-left: 1rem; }
.sidebar .submenu.show {   display:block !important;}
.sidebar .submenu a { font-size: 0.7rem; color: #fff; }
.sidebar .nav-link.toggle::after { content: '\f282'; font-family: 'bootstrap-icons'; float: right; transition: 0.3s; }
.sidebar .nav-link.toggle.collapsed::after { transform: rotate(-90deg); }

/* Mobil görünüm */
@media (max-width: 992px) {
  .sidebar { left: -260px; }
  .sidebar.show { left: 0; }
  #sidebarOverlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.45); z-index: 1035; }
  #sidebarOverlay.active { display: block; }
  main { margin-left: 0 !important; }
}
@media (min-width: 993px) {
  main { margin-left: 250px; }
}

.hover-card {
  transition: all 0.3s ease;
  border-radius: 12px;
}

/* Hover efekti */
.hover-card:hover {
  background-color: #008B8B; /* Turkuaz */
  transform: scale(1.05);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

/* Kart hover olunca içindeki resim beyazlaşır */
.hover-card:hover .hover-img {
  filter: brightness(0) invert(1);
  transition: all 0.3s ease;
}
/* Kart hover olunca içindeki resim beyazlaşır */
.hover-card:hover .hover-b {
  color: #fff ;  transition: all 0.3s ease;

}


.hover-card01 {
  transition: all 0.3s ease;
}
.hover-card01:hover {
  background-color: rgb(64, 224, 208); /* turkuaz */ 
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
} 

  #sabit-yazi { font-size: 0.7rem;width:250px;
     
    bottom: 0;
    left: 0;
    width: 100%;
    margin: 0;
    padding: 5px; 
    color: #fff; 
    font-weight:  ;
    z-index: 9999; /* her şeyin üstünde görünür */
  }
  
  
  
  .responsive-img {
  width: 350px; /* masaüstü için genişlik */
  height: auto;
  transition: width 0.3s ease;
}

/* Mobil ekranlarda (örneğin 768px altı) */
@media (max-width: 768px) {
  .responsive-img {
    width: 200px; /* mobilde daha küçük görünür */
  }
}

/* Mobilde ikinci kısmı gizle */
@media (max-width: 768px) {
  .mobil-gizle {
    display: none;
  }
  .sadece-mobil {
    display: inline-block;
    color: #008B8B; /* turkuaz */
    font-weight: bold;
    text-decoration: none;
  }
  .sadece-mobil a { color: #008B8B;  font-weight:bold  ;  }
}

/* Masaüstünde buton görünmesin */
@media (min-width: 769px) {
  .sadece-mobil {
    display: none;
  }
}
.social-icons {
    color: #008B8B;
  }

.social-icons:hover {
    color: #000; transition: all 0.3s ease;
  }






.about-container {
  display: flex;
  gap: 40px;
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  align-items: center;
}

.about-left {
  flex: 1;
}

.about-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.subtitle {
  color: #ff7a00;
  font-weight: 600;
}

.title {
  font-size: 2.5rem;
  margin: 10px 0 20px;
}

.text {
  color: #555;
  line-height: 1.6;
}

.image-box img {
  width: 100%;
  border-radius: 12px;
  background: #e0e7ff;
  object-fit: cover;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  padding: 20px;
  text-align: center;
}

.stat h2 {
  margin: 0;
  color: #111;
  font-size: 1.8rem;
}

.stat p {
  margin: 4px 0 0;
  color: #555;
  font-size: 0.9rem;
}