/* Arka plan ve hero ayarları */
body {
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
  background-color: #212730;
  color: white;
  overflow-x: hidden;
}

/* Navbar */
.navbar {
  backdrop-filter: blur(12px);
  background-color: rgba(0, 0, 0, 0.3);
}

.navbar .nav-link {
  color: white !important;
  transition: color 0.3s ease;
}

.navbar .nav-link:hover {
  color: #00ffff !important;
}

/* Hamburger (mobil menü) ikonunun beyaz görünmesi */
.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.5);
}

.navbar-toggler-icon {
  filter: invert(1);
}

/* Hero alanı */
.hero {
  position: relative;
  height: 100vh;
  background: url("logo/home_picture.png") no-repeat center center/cover;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* Arka plan karartması */
.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
}

/* Yazılar */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: bold;
}

.hero-content p {
  font-size: 1.2rem;
  margin-top: 10px;
  color: #ccc;
}

.btn-primary {
  background: linear-gradient(90deg, #00ffff, #a020f0);
  border: none;
  border-radius: 25px;
  padding: 10px 25px;
  font-weight: bold;
  transition: 0.3s;
}

.btn-primary:hover {
  opacity: 0.9;
}

.card-transparans {
  width: 100vw;
  justify-content: center;
  text-align: center;
  display: inline-block;
 
}

/*.card-transparan {

  background-color: transparent;
  border-radius: 15px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  margin: 10px;
  display: inline-block;
  text-align: center;
  justify-content: center;
  min-width: 350px;
  max-width: 30vw;
  width: 30vw;
  height: 200px;
  box-shadow: -1px -1px 3px #00ffff, 1px 1px 3px #a020f0;
  color: white;

}

.card-transparan img {
  display: inline-block;
  text-align: center;
  justify-content: center;
  margin-left: auto;
  margin-top: 50px;
  width: 50px;
  height: 50px;
}

.card-transparan:hover {
  box-shadow: -1px -1px 10px #00ffff, 1px 1px 10px #a020f0;
}
*/
.card-transparans {
  width: 100vw;
  justify-content: center;
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px;
}

.card-transparan {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: #fff;
  margin: 10px;
  min-width: 300px;
  max-width: 30vw;
  width: 30vw;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: all 0.3s ease;
  overflow: hidden;
}

/* Işıklı kenarlar */
.card-transparan::before,
.card-transparan::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 15px;
  top: 0;
  left: 0;
  background: linear-gradient(135deg, #00ffff 0%, #a020f0 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.card-transparan:hover::before {
  opacity: 0.5;
  filter: blur(20px);
}

/* İç gölge efekti */
.card-transparan:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 0 15px rgba(160, 32, 240, 0.3),
              0 0 25px rgba(0, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
}

/* İçerik */
.card-transparan img {
  width: 60px;
  height: 60px;
  margin-bottom: 15px;
  z-index: 1;
  position: relative;
}

.card-transparan h3 {
  font-size: 1.2rem;
  letter-spacing: 0.5px;
  font-weight: 500;
  z-index: 1;
  position: relative;
}

.cards {
  display: flex;
  position: relative;
  background-color: transparent;
  width: 100vw;
  height: auto;
  justify-content:center;
  text-align: center;
  align-items: center;
  min-width: 100vw;
}
.cards #cardtxt{
  background-color: #212730;
  width: 20vw;
  height: 40vh;
  margin: 5px;
  box-shadow: 0px;
  text-align: start;
 }

.card {
  background-color: #212730;
  box-shadow: 1px 1px 15px rgba(0, 0, 0, 0.59);
  width: 20vw;
  height: 47vh;
  margin: 10px;
  border-radius: 10px;
  
}
.card img {
  width: 20vw;
  height: 200px;
  border-radius: 10px;
}
.card p{
  text-align: start;
  color: white;
  margin: 5px;
}
.footer {
  background-color: #0d1117;
  color: white;
  padding: 40px 0 20px;
  font-family: Arial, sans-serif;
  text-align: center;
  margin-top: 50px;
}

.footer-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 50px;
  margin-bottom: 20px;
}

.footer-section {
  width: 250px;
}

.footer-section h3 {
  color:rgb(160, 32, 240);
  margin-bottom: 15px;
}

.footer-section p {
  font-size: 14px;
  line-height: 1.6;
}

.social-links a {
  color: rgb(160, 32, 240);
  font-size: 22px;
  margin: 0 8px;
  text-decoration: none;
  transition: 0.3s;
}

.social-links a:hover {
  color: white;
  transform: scale(1.2);
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 10px;
  font-size: 13px;
  color: #aaa;
}


/* Donanım bölümü */
#donanim {
  position: relative;
  padding: 60px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#donanim h2 {
  text-align: center;
  color: white;
  margin-bottom: 40px;
}

/* Kart container */
.cards_sh {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
  padding: 20px;
  
 
}

/* Kart yapısı */
.card_sh {
  position: relative;
  overflow: hidden; /* video taşarsa görünmesin */
  width: 20vw;
  min-width: 280px;
  border-radius: 12px;
  box-shadow: 1px 1px 15px rgba(0, 0, 0, 0.59);
  padding: 25px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  transition: all 0.3s ease-in-out;
  border: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1;
  color: white;
   
}

/* Arka plan videosu sadece kartın içinde */
.card_sh video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.4; /* videoyu yarı saydam yap */
  filter: blur(5px);
  
}

/* Kart içeriği */
.card_sh h3,
.card_sh p {
  position: relative; /* yazı videonun üstünde */
  z-index: 1;
  
}

.card_sh h3 {
  color:  #00ffff;
  font-size: 1.2rem;
  margin-bottom: 10px;
  border-left: 4px solid #a020f0;
  padding-left: 10px;
}

.card_sh p {
  color: #dcdcdc;
  font-size: 0.95rem;
  line-height: 1.5;
}

.card_sh:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 30px rgba(160, 32, 240, 1);
 
}


.about-section {
  background-color: #212730;
  color: white;
  padding: 80px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: left;
  font-family: 'Arial', sans-serif;
}

.about-container {
  max-width: 900px;
  background-color: rgba(0, 0, 0, 0.4);
  padding: 40px 50px;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 1);
}
.about-container:hover{
box-shadow: 0 0 20px rgba(160, 32, 240, 1);
}

.about-container h2 {
  font-size: 2.5rem;
  text-align: center;
  color: #00ffff;
  margin-bottom: 30px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-container p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #ddd;
  margin-bottom: 20px;
}

.about-container strong {
  color: #a020f0;
}

.about-signature {
  text-align: right;
  margin-top: 40px;
  font-size: 1.1rem;
  font-style: italic;
  color: #a020f0;
}

.contact-section {
  background-color: #212730;
  color: white;
  padding: 80px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: left;
  font-family: 'Arial', sans-serif;
}

.contact-container {
  max-width: 900px;
  background-color: rgba(0, 0, 0, 0.4);
  padding: 40px 50px;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 1);
}
.contact-container:hover{
box-shadow: 0 0 20px rgba(160, 32, 240, 1);
}

.contact-container h2 {
  font-size: 2.5rem;
  text-align: center;
  color: #00ffff;
  margin-bottom: 30px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-container p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #ddd;
  margin-bottom: 20px;
  text-align: center;
}

.contact-container strong {
  color: #a020f0;
}

@media (max-width: 768px) {
  .about-container {
    padding: 30px 20px;
  }
  .about-container h2 {
    font-size: 2rem;
  }
  .about-container p {
    font-size: 1rem;
  }
  .cards {
    flex-direction: column; /* Kartlar alt alta gelsin */
    align-items: center;    /* Ortala */
  }

  .card,
  .cards #cardtxt {
    width: 90vw;      /* Mobil için genişlik */
    height: auto;     /* Yükseklik otomatik */
  }

  .card img {
    width: 90vw;      /* Resim genişliği kartla aynı */
    height: auto;     /* Yükseklik oranlı ayarlansın */
  }
    #navbarNav {
    justify-content: center !important;
    text-align: center;
    }
}
.navbar-toggler-icon {
    filter: invert(0); /* Siyah ikonu beyaza çevirir */
}
.card-link {
  text-decoration: none;
  color: inherit;
}