/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  color: #333;
  line-height: 1.6;
}

/* Common Components */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: #3b82f6;
  color: white;
}

.btn-primary:hover {
  background-color: #2563eb;
}

.btn-outline {
  background-color: transparent;
  border: 1px solid #3b82f6;
  color: #3b82f6;
}

.btn-outline:hover {
  background-color: rgba(59, 130, 246, 0.1);
}

/* Animations */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.5s ease-in forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  transform: translateY(20px);
  opacity: 0;
  animation: slideUp 0.5s ease-out forwards;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Custom utility classes */
.shadow-sm-hover {
  transition: all 0.3s ease;
}

.shadow-sm-hover:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-hover {
  transition: transform 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-5px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.875rem;
  }
}

/* Section styles */
.section-padding {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

@media (min-width: 768px) {
  .section-padding {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

/* Form elements */
.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.375rem;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

/* Helper classes */
.text-gradient {
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  background-image: linear-gradient(to right, #3b82f6, #2563eb);
}

.bg-gradient {
  background-image: linear-gradient(to right, #3b82f6, #2563eb);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #c5c5c5;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a0a0a0;
}