.teklif-container {
  max-width: 1200px;
  margin: 120px auto;
  margin-bottom: 10px;
}

.form-header {
  text-align: center;
  margin-top: 110px;
  margin-bottom: 2rem;
}

.form-header h1 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.form-header p {
  color: #64748b;
  font-size: 1.1rem;
}

.teklif-form {
  background-color: var(--primary-color); /*white*/
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 10px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.form-section {
  margin-bottom: 2rem;
  padding: 1rem;
  background-color: rgb(238, 238, 248);
}

.form-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

/* Platform Kartları */
.platform-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.platform-card {
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  background-color: white;
}

.platform-card:hover {
  border-color: var(--primary-color);
}

.platform-card.selected {
  border-color: var(--primary-color);
  background-color: #eff6ff;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.platform-card .checkmark {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.platform-card.selected .checkmark {
  display: flex;
}

.platform-card i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.platform-card h3 {
  margin-bottom: 0.5rem;
}

/* Form Elemanları */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group.required label:after {
  content: " *";
  color: #ef4444;
}

.form-control {
  width: 100%;
  padding: 0.1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.budget-range {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.budget-range input {
  flex: 1;
}

.budget-range span {
  color: #64748b;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.submit-btn {
  background-color: var(--accent-color);
  color: white;
  border: none;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s;
  width: 100%;
}

.submit-btn:hover {
  background-color: var(--secondary-color);
}

/* Seçili Platformlar Göstergesi */
.selected-platforms {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.platform-tag {
  background-color: #e0f2fe;
  color: #0369a1;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.platform-tag i {
  cursor: pointer;
}

/* Hata mesajı stili */
.platform-error {
  color: #d32f2f;
  background-color: #ffebee;
  padding: 12px;
  border-radius: 4px;
  margin: 15px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  border-left: 4px solid #d32f2f;
  animation: fadeIn 0.3s ease;
}

.platform-error i {
  font-size: 18px;
}

/* Hata vurgu efekti */
.highlight-error {
  animation: pulse 1.5s infinite;
  box-shadow: 0 0 0 2px rgba(211, 47, 47, 0.5);
  border-radius: 8px;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(211, 47, 47, 0); }
  100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Tasarım */
@media (max-width: 768px) {
  .teklif-container {
    margin: 170px auto;
    margin-bottom: 3px;
  }
  .platform-options {
    grid-template-columns: 1fr;
  }

  .budget-range {
    flex-direction: column;
    align-items: stretch;
  }
}