:root{--build-id:"790b942e-cbb2-4fc7-8e81-0a5603c8dbf2";}
/* CSS Variables - C38 중성/다크 팔레트 */
:root {
  --primary: #3f3f46;
  --bg: #fafafa;
  --text: #18181b;
  --accent: #a1a1aa;
  --heading: var(--text);
  --link: var(--text);
  --border: #f3f4f6;
  --shadow: rgba(0, 0, 0, 0.08);
}

/* Reset & Base - F4 Windows Modern 폰트 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI Variable", "Malgun Gothic", "Noto Sans KR", Arial, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0em;
  color: var(--text);
  background-color: var(--bg);
}

/* H20 헤딩 스타일 - clamp 반응형 */
h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  border-bottom: 4px solid var(--primary);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  color: var(--heading);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.275rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.008em;
  margin-bottom: 1.25rem;
  color: var(--heading);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin-bottom: 1rem;
  color: var(--heading);
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary);
}

a:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* N07 네비게이션 - 상단 스크롤 + 좌측 로고 + 우측 메뉴 (드롭다운) + 햄버거 */
header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px var(--shadow);
}

.header-container {
  max-width: 1250px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--primary);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 700;
}

nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .menu-checkbox:checked ~ nav {
    max-height: 400px;
  }

  nav ul {
    flex-direction: column;
    padding: 1rem 2rem;
    gap: 0;
  }

  nav li {
    border-bottom: 1px solid var(--border);
  }

  nav a {
    display: block;
    padding: 1rem 0;
  }
}

/* S07 섹션 여백 */
section {
  padding: 5.5rem 0;
}

.container {
  max-width: 1250px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* L10 레이아웃 - 그라데이션 히어로 */
.hero-gradient {
  background: linear-gradient(135deg, var(--bg) 0%, #e5e7eb 100%);
  text-align: center;
  padding: 7rem 0;
}

.hero-gradient h1 {
  border-bottom: none;
  margin-bottom: 2rem;
}

.hero-text {
  font-size: 1.125rem;
  line-height: 1.75;
  max-width: 900px;
  margin: 0 auto 2.5rem;
  color: var(--text);
}

/* B20 버튼 스타일 */
.cta-button {
  display: inline-block;
  border-radius: 9999px;
  padding: 0.625rem 1.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.025em;
  background: var(--primary);
  color: #fff;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background: var(--text);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow);
}

.cta-button-secondary {
  display: inline-block;
  border-radius: 9999px;
  padding: 0.625rem 1.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.025em;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  transition: all 0.3s ease;
}

.cta-button-secondary:hover {
  background: var(--primary);
  color: #fff;
}

/* 6열 그리드 */
.grid-six {
  background: #fff;
}

.grid-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3.25rem;
  margin-top: 3rem;
}

.grid-item {
  text-align: center;
}

.icon-svg {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  color: var(--primary);
}

/* K20 카드 스타일 */
.grid-item,
.stat-card {
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.75rem;
  transition: box-shadow 0.3s ease;
}

.grid-item:hover,
.stat-card:hover {
  box-shadow: 0 8px 24px var(--shadow);
}

/* 통계 섹션 */
.stats-section {
  background: linear-gradient(135deg, #f9fafb 0%, var(--bg) 100%);
}

.section-intro {
  font-size: 1.0625rem;
  line-height: 1.7;
  max-width: 800px;
  margin: 0 auto 3rem;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3.25rem;
  margin-top: 3rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--heading);
}

/* 중앙 CTA */
.cta-center {
  text-align: center;
  background: #fff;
}

.cta-center h2 {
  margin-bottom: 1rem;
}

.cta-center p {
  font-size: 1.0625rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* 페이지 헤더 */
.page-header {
  background: linear-gradient(135deg, var(--bg) 0%, #e5e7eb 100%);
  text-align: center;
  padding: 4rem 0;
}

.page-header h1 {
  border-bottom: none;
  margin-bottom: 1rem;
}

.header-subtitle {
  font-size: 1.125rem;
  color: var(--accent);
}

/* 콘텐츠 섹션 */
.content-section {
  background: #fff;
}

.content-section.alt-bg {
  background: var(--bg);
}

.content-section h2 {
  margin-bottom: 1.5rem;
}

.content-section p {
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

/* 문의 페이지 */
.contact-section {
  background: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3.25rem;
}

.contact-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.contact-message h2 {
  margin-bottom: 1.5rem;
}

.contact-message p {
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

/* Footer */
footer {
  background: var(--text);
  color: #fff;
  padding: 3rem 0 1.5rem;
}

.footer-container {
  max-width: 1250px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: #d4d4d8;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #d4d4d8;
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: #fff;
}

.footer-contact p {
  font-size: 0.875rem;
  color: #d4d4d8;
  margin-bottom: 0.5rem;
}

.footer-copyright {
  grid-column: 1 / -1;
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #52525b;
  font-size: 0.875rem;
  color: #a1a1aa;
}

/* Privacy/Terms 문서 스타일 */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
}

.doc-container h1 {
  border-bottom: none;
  margin-bottom: 2rem;
}

.doc-container p {
  margin-bottom: 1.5rem;
  font-size: 1.0625rem;
}

/* 반응형 */
@media (max-width: 768px) {
  section {
    padding: 3.5rem 0;
  }

  .hero-gradient {
    padding: 4rem 0;
  }

  .grid-wrapper,
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }
}