/* Ant Design 기반 클래스 스타일 */

/* CSS 변수 */
:root {
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --text-color: #1f2937;
  --text-color-secondary: #6b7280;
  --border-color: #e5e7eb;
  --background-color: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --background-solid: #f8fafc;
  --component-background: #ffffff;
  --border-radius-base: 12px;
  --border-radius-lg: 16px;
  --box-shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --box-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --box-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 전역 스타일 - 가로 스크롤 방지 */
* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
}

/* 기본 페이지 스타일 */
.page-body {
  background: var(--background-solid);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.05) 0px, transparent 50%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-color);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* 헤더 스타일 */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--box-shadow-base);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  transition: var(--transition-base);
}

.main-nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
  width: 100%;
  max-width: 100%;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: var(--spacing-md) var(--spacing-sm);
  color: var(--text-color);
  text-decoration: none;
  transition: var(--transition-base);
  border-bottom: 3px solid transparent;
  font-weight: 500;
  position: relative;
  border-radius: var(--border-radius-base);
  margin: 0 4px;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-link:hover {
  color: var(--primary-color);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
  transform: translateY(-2px);
}

.nav-link:hover::before {
  width: 80%;
}

/* 메인 컨텐츠 */
.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  overflow-x: hidden;
}

.content-container,
article.content-container {
  background: var(--component-background);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-base);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  position: relative;
}

.content-container::before,
article.content-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover), #8b5cf6);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

/* 타이포그래피 */
.page-title {
  font-size: 42px;
  line-height: 1.2;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 var(--spacing-md) 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  letter-spacing: -0.5px;
}

.section-title {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-color);
  margin: var(--spacing-xl) 0 var(--spacing-md) 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  position: relative;
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-color);
}

.subsection-title {
  font-size: 24px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--text-color);
  margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  position: relative;
  padding-left: var(--spacing-sm);
  border-left: 4px solid var(--primary-color);
}

.content-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-color);
  margin: 0 0 var(--spacing-md) 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

/* 리스트 스타일 */
.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0;
}

.feature-list li {
  padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-xl);
  position: relative;
  line-height: 1.7;
  color: var(--text-color);
  margin-bottom: var(--spacing-xs);
  transition: var(--transition-base);
  border-radius: var(--border-radius-base);
}

.feature-list li:hover {
  background: rgba(99, 102, 241, 0.05);
  padding-left: calc(var(--spacing-xl) + 8px);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: var(--spacing-sm);
  top: var(--spacing-sm);
  color: var(--success-color);
  font-weight: 700;
  font-size: 18px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
}

.step-list {
  padding-left: 0;
  margin: var(--spacing-sm) 0;
  counter-reset: step-counter;
  list-style: none;
}

.step-list li {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  color: var(--text-color);
  padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) calc(var(--spacing-lg) + 8px);
  position: relative;
  background: rgba(99, 102, 241, 0.03);
  border-radius: var(--border-radius-base);
  border-left: 3px solid var(--primary-color);
  transition: var(--transition-base);
}

.step-list li:hover {
  background: rgba(99, 102, 241, 0.08);
  transform: translateX(4px);
}

.step-list li::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  position: absolute;
  left: calc(-1 * var(--spacing-lg) - 12px);
  top: var(--spacing-sm);
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--box-shadow-base);
}

/* 테이블 스타일 */
.data-table {
  width: 100%;
  max-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--spacing-md) 0;
  background: var(--component-background);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-base);
  table-layout: fixed;
  border: 1px solid var(--border-color);
}

.data-table caption {
  font-weight: 600;
  font-size: 16px;
  padding: var(--spacing-sm);
  text-align: left;
  color: var(--text-color);
}

.data-table thead {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.data-table th {
  padding: var(--spacing-md) var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  color: var(--text-color);
  border-bottom: 2px solid var(--border-color);
  font-size: 14px;
  word-wrap: break-word;
  overflow-wrap: break-word;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
}

.data-table td {
  padding: var(--spacing-md) var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-color);
  font-size: 14px;
  word-wrap: break-word;
  overflow-wrap: break-word;
  transition: var(--transition-base);
}

.data-table tbody tr {
  transition: var(--transition-base);
}

.data-table tbody tr:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
  transform: scale(1.01);
  box-shadow: var(--box-shadow-hover);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* 인용구 스타일 */
.guide-blockquote {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
  border-left: 4px solid var(--primary-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-base);
  position: relative;
}

.guide-blockquote::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: var(--spacing-md);
  font-size: 60px;
  color: var(--primary-color);
  opacity: 0.2;
  font-family: Georgia, serif;
}

.guide-blockquote .step-list {
  margin: 0;
}

/* FAQ 아코디언 */
.faq-accordion {
  margin: var(--spacing-lg) 0;
}

.faq-item {
  margin-bottom: var(--spacing-md);
  background: var(--component-background);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-base);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--box-shadow-hover);
  transform: translateY(-2px);
}

.faq-question {
  padding: var(--spacing-lg);
  cursor: pointer;
  list-style: none;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
  transition: var(--transition-base);
  position: relative;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 300;
  color: var(--primary-color);
  transition: var(--transition-base);
}

.faq-item[open] .faq-question::after {
  content: '−';
  transform: translateY(-50%) rotate(180deg);
}

.faq-question:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question-text {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-color);
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
}

.faq-answer {
  padding: var(--spacing-lg);
  color: var(--text-color-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.5);
  animation: fadeIn 0.3s ease-in;
}

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

/* 푸터 스타일 */
.site-footer {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #ffffff;
  padding: var(--spacing-xl) var(--spacing-md);
  margin-top: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover), #8b5cf6);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-text {
  margin: 0;
  color: #ffffff;
  font-size: 14px;
}

.footer-link {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-link {
  position: relative;
  transition: var(--transition-base);
}

.footer-link:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.footer-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.footer-link:hover::after {
  width: 100%;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
  }

  .page-title {
    font-size: 28px;
    line-height: 1.35;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
  }

  .section-title {
    font-size: 24px;
    line-height: 1.35;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
  }

  .subsection-title {
    font-size: 20px;
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
  }

  .main-nav {
    padding: 0 var(--spacing-sm);
    width: 100%;
    max-width: 100%;
  }

  .nav-menu {
    flex-direction: column;
    gap: 0;
    width: 100%;
    max-width: 100%;
  }

  .nav-link {
    padding: var(--spacing-sm);
    border-bottom: 1px solid #f0f0f0;
    border-left: 3px solid transparent;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
  }

  .nav-link:hover {
    border-left-color: var(--primary-color);
    border-bottom-color: #f0f0f0;
  }

  .main-content {
    padding: var(--spacing-md) var(--spacing-sm);
    width: 100%;
    max-width: 100%;
  }

  .content-container {
    padding: var(--spacing-md);
    width: 100%;
    max-width: 100%;
  }

  .data-table {
    font-size: 12px;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    max-width: 100%;
  }

  .data-table thead,
  .data-table tbody,
  .data-table tr,
  .data-table th,
  .data-table td {
    display: block;
  }

  .data-table thead {
    display: none;
  }

  .data-table tr {
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-base);
    padding: var(--spacing-sm);
  }

  .data-table td {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid #f0f0f0;
    text-align: left;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
  }

  .data-table td:before {
    content: attr(data-label) ': ';
    font-weight: 600;
    display: inline-block;
    min-width: 100px;
    max-width: 100%;
  }

  .data-table td:last-child {
    border-bottom: none;
  }

  .faq-question {
    padding: var(--spacing-sm);
  }

  .faq-answer {
    padding: var(--spacing-sm);
  }

  .site-footer {
    padding: var(--spacing-md) var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 24px;
  }

  .section-title {
    font-size: 20px;
  }

  .subsection-title {
    font-size: 18px;
  }

  .content-container {
    padding: var(--spacing-sm);
  }

  .nav-link {
    font-size: 13px;
  }
}

/* 이미지 및 미디어 요소 */
img, video, iframe, embed, object {
  max-width: 100%;
  height: auto;
}

/* 긴 단어나 URL 줄바꿈 처리 */
a, p, span, div, li, td, th {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* 추가 유틸리티 클래스 */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.p-sm {
  padding: var(--spacing-sm);
}

.p-md {
  padding: var(--spacing-md);
}

.p-lg {
  padding: var(--spacing-lg);
}