:root{--build-id:"dc6afa3d-11ba-4118-b024-9ebdd25b288e";}
/* 리셋 및 기본 설정 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2563eb;
  --bg: #f0f9ff;
  --text: #0c4a6e;
  --accent: #0ea5e9;
  --heading: var(--text);
  --link: var(--text);
}

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

/* 접근성 */
.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;
}

a:focus-visible,
input:focus-visible,
label:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}

/* 헤더 및 네비게이션 - N11: 중앙 로고 + 좌우 대칭 메뉴 */
header {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--primary);
  background: none;
  border: none;
  padding: 0.5rem;
}

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

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--primary);
}

/* 모바일 네비게이션 */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
    z-index: 60;
  }

  .logo {
    position: static;
    transform: none;
  }

  nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    height: 100vh;
    background: #fff;
    transition: left 0.3s;
    padding: 5rem 2rem 2rem;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
  }

  .menu-checkbox:checked ~ nav {
    left: 0;
  }

  nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }
}

/* 타이포그래피 - H03 */
h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

/* 버튼 - B03 */
.btn {
  display: inline-block;
  padding: 1.25rem 3rem;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border-radius: 9999px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* 카드 - K03 */
.card {
  background: #fff;
  border-radius: 1.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  padding: 2.5rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.16);
}

/* 섹션 - S03 */
section {
  padding: 6rem 0;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.grid {
  display: grid;
  gap: 4rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* 히어로 섹션 - L02: 좌우분할 */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: 70vh;
  padding: 4rem 0;
}

.hero-content h1 {
  margin-bottom: 1.5rem;
}

.hero-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image svg {
  max-width: 100%;
  height: auto;
}

@media (max-width: 968px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* 지그재그 레이아웃 */
.zigzag {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
}

.zigzag:nth-child(even) {
  direction: rtl;
}

.zigzag:nth-child(even) > * {
  direction: ltr;
}

@media (max-width: 968px) {
  .zigzag {
    grid-template-columns: 1fr;
  }

  .zigzag:nth-child(even) {
    direction: ltr;
  }
}

/* Q&A 스타일 - CS03 */
.qa-item {
  background: #fff;
  border-radius: 1rem;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.qa-question {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
}

.qa-answer {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
}

/* 푸터 */
footer {
  background: #fff;
  border-top: 1px solid #e5e7eb;
  padding: 3rem 0 2rem;
  margin-top: 6rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.9375rem;
}

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

.footer-info {
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.6;
}

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

.doc-container h1 {
  margin-bottom: 2rem;
}

.doc-container p {
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.doc-container a {
  color: var(--primary);
  text-decoration: underline;
}

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

.mb-2 {
  margin-bottom: 2rem;
}

.mb-4 {
  margin-bottom: 4rem;
}

/* 아이콘 스타일 */
.icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}