:root{--build-id:"3ed7380a-56f3-4511-9470-0d4aa58b9edb";}
@charset "UTF-8";

/* ========================================
   CSS 변수 정의 (C05)
   ======================================== */
:root {
  --primary: #3b82f6;
  --bg: #dbeafe;
  --text: #1e3a8a;
  --accent: #60a5fa;
  --heading: #1e3a8a;
  --link: #1e3a8a;
  --white: #ffffff;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-700: #374151;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;
}

/* ========================================
   리셋 및 기본 스타일
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, "Noto Sans KR", "Malgun Gothic", "Segoe UI", 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);
}

/* ========================================
   헤딩 스타일 (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: -0.025em;
  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: -0.02em;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  opacity: 0.8;
}

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

ul {
  list-style: none;
}

/* ========================================
   접근성 - Skip Link
   ======================================== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
  font-weight: 600;
}

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

/* ========================================
   헤더 및 네비게이션 (N03)
   ======================================== */
header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 1350px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  order: 2;
}

nav {
  order: 1;
}

nav ul {
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

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

.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.75rem;
  cursor: pointer;
  order: 1;
}

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

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .menu-checkbox:checked ~ nav {
    max-height: 500px;
  }

  nav ul {
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1rem;
  }

  nav a {
    display: block;
    padding: 0.75rem 0;
  }
}

/* ========================================
   컨테이너 (S11)
   ======================================== */
.container {
  max-width: 1350px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 5.75rem 0;
}

/* ========================================
   히어로 섹션 (L12)
   ======================================== */
.hero-section {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--primary);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
  padding: 3rem 2rem;
  color: var(--white);
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-content p {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  opacity: 0.95;
}

/* ========================================
   버튼 스타일 (B03)
   ======================================== */
.cta-button {
  display: inline-block;
  padding: 1.25rem 3rem;
  background-color: var(--white);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1.0625rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  text-align: center;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  opacity: 1;
}

.cta-button:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 4px;
}

/* ========================================
   특징 섹션 (4열 아이콘)
   ======================================== */
.features-section {
  background-color: var(--white);
}

.features-section h2 {
  text-align: center;
  margin-bottom: 3.75rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3.75rem;
}

.feature-card {
  text-align: center;
}

.feature-icon {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
}

.feature-card h3 {
  margin-bottom: 1rem;
  font-size: 1.375rem;
}

.feature-card p {
  line-height: 1.7;
  color: var(--gray-700);
}

/* ========================================
   케이스스터디 섹션
   ======================================== */
.casestudy-section {
  background-color: var(--gray-100);
}

.casestudy-section h2 {
  text-align: center;
  margin-bottom: 3.75rem;
}

.casestudy-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.casestudy-item {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.casestudy-item h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.casestudy-item p {
  line-height: 1.75;
  color: var(--gray-700);
}

/* ========================================
   Q&A 섹션 (CS03)
   ======================================== */
.qna-section {
  background-color: var(--white);
}

.qna-section h2 {
  text-align: center;
  margin-bottom: 3.75rem;
}

.qna-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.qna-item h3 {
  color: var(--primary);
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.qna-item p {
  line-height: 1.7;
  color: var(--gray-700);
}

/* ========================================
   CTA 섹션
   ======================================== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  text-align: center;
  color: var(--white);
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.cta-section p {
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.95;
}

/* ========================================
   페이지 헤더
   ======================================== */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  text-align: center;
  padding: 4rem 2rem;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.125rem;
  opacity: 0.9;
}

/* ========================================
   콘텐츠 섹션
   ======================================== */
.content-section {
  background-color: var(--white);
}

.content-section h2 {
  color: var(--primary);
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
}

.content-section h2:first-child {
  margin-top: 0;
}

.content-section p {
  line-height: 1.75;
  margin-bottom: 1.5rem;
  color: var(--gray-700);
}

/* ========================================
   연락처 섹션
   ======================================== */
.contact-info {
  max-width: 900px;
  margin: 0 auto;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin: 3rem 0;
}

.contact-method {
  background: var(--gray-100);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.contact-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}

.contact-method h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.375rem;
}

.contact-method p {
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.contact-method p:first-of-type {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--heading);
}

/* ========================================
   FAQ 리스트
   ======================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--gray-100);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.faq-item h2 {
  color: var(--primary);
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.faq-item p {
  line-height: 1.75;
  color: var(--gray-700);
  margin-bottom: 0;
}

/* ========================================
   푸터
   ======================================== */
footer {
  background-color: var(--heading);
  color: var(--white);
  padding: 3rem 0 1.5rem;
}

.footer-container {
  max-width: 1350px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.footer-section a:hover {
  color: var(--accent);
  opacity: 1;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

/* ========================================
   Privacy/Terms 문서 컨테이너
   ======================================== */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--white);
}

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

.doc-container p {
  margin-bottom: 2rem;
  line-height: 1.8;
}

.doc-container a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
}

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

  .hero-section {
    min-height: 500px;
  }

  .hero-content {
    padding: 2rem 1.5rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-methods {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cta-button {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .hero-content {
    padding: 1.5rem 1rem;
  }

  .casestudy-item,
  .contact-method,
  .faq-item {
    padding: 1.75rem;
  }
}