.kurumsal-layout {
  display: flex;
  gap: 30px;
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  align-items: flex-start;
}

.about-sidebar {
  flex: 0 0 250px;
  background: #f9f9f9;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
  position: sticky;
  top: 120px;
  height: fit-content;
}

.about-sidebar h4 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #230b68;
  border-bottom: 2px solid #230b68;
  padding-bottom: 10px;
}

.about-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-sidebar ul li {
  margin-bottom: 12px;
}

.about-sidebar ul li a {
  text-decoration: none;
  color: #333;
  font-size: 1.1rem;
  display: block;
  padding: 8px 0;
  transition: color 0.3s ease;
}

.about-sidebar ul li a:hover,
.about-sidebar ul li a.active {
  color: #230b68;
  font-weight: bold;
}

.kurumsal-content {
  flex: 1;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
  min-height: 600px;
}

/* Banka Kartları */
.bank-cards {
  display: flex;
  flex-direction: column;
  gap: 30px;
  width: 100%;
}

.bank-card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  padding: 24px;
  transition: all 0.3s ease-in-out;
}

.bank-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bank-header img {
  height: 40px;
}

.toggle-details {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
}

.bank-details {
  display: none;
  margin-top: 20px;
}

.bank-details p {
  margin-bottom: 10px;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copy-btn {
  background: #230b68;
  color: white;
  border: none;
  border-radius: 5px;
  padding: 4px 10px;
  font-size: 0.8rem;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 992px) {
  .kurumsal-layout {
    flex-direction: column;
    gap: 20px;
  }

  .about-sidebar {
    position: static; /* Sticky iptal edilir */
    flex: unset;
  }
}

@media (max-width: 768px) {
  .kurumsal-content {
    padding: 20px;
  }

  .about-sidebar h4 {
    font-size: 1.3rem;
  }

  .about-sidebar ul li a {
    font-size: 1rem;
  }

  .bank-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (max-width: 576px) {
  .kurumsal-layout {
    padding: 0 10px;
  }

  .kurumsal-content {
    padding: 15px;
    width: 350px;
  }

  .bank-card {
    padding: 16px;
  }

  .bank-header img {
    height: 32px;
  }
}