:root{--build-id:"ba02a08e-8288-4fa3-9cd2-983cadcb29e8";}
/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* C25: 퍼플 팔레트 */
  --primary: #8b5cf6;
  --bg: #faf5ff;
  --text: #3b0764;
  --accent: #a78bfa;
  --heading: var(--text);
  --link: var(--text);
}

/* F7: Neutral Core 시스템 폰트 */
body {
  font-family: system-ui, "Noto Sans KR", "Malgun Gothic", -apple-system, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0em;
  color: var(--text);
  background-color: var(--bg);
}

/* H13: 헤딩 스타일 */
h1 {
  font-size: clamp(2.125rem, 5vw, 3.125rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  opacity: 0.7;
}

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

.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;
}

/* S09: 여백 시스템 */
.container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6.5rem 0;
}

.section-gap {
  gap: 4.5rem;
}

/* N13: 네비게이션 */
header {
  background: transparent;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

header.scrolled {
  background: rgba(250, 245, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

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

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

nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
}

/* B13: 버튼 스타일 */
.btn {
  display: inline-block;
  border: none;
  border-bottom: 3px solid var(--primary);
  padding: 0.75rem 0;
  font-weight: 700;
  text-transform: uppercase;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn:hover {
  opacity: 0.8;
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* 모바일 메뉴 */
.menu-checkbox {
  display: none;
}

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

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

  .nav-left {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
  }

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

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

/* K13: 카드 스타일 */
.card {
  border-radius: 0.5rem;
  box-shadow: 4px 4px 0 rgba(139, 92, 246, 0.15);
  padding: 2rem;
  background: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(139, 92, 246, 0.2);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

.hero-text p {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 2rem;
  color: var(--text);
  opacity: 0.9;
}

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

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

/* Footer */
footer {
  background: #fff;
  border-top: 2px solid rgba(139, 92, 246, 0.1);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(139, 92, 246, 0.1);
  font-size: 0.875rem;
  color: var(--text);
  opacity: 0.7;
}

/* Icon Styles */
.icon {
  display: inline-block;
  margin-right: 0.5rem;
  font-size: 1.25rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

@media (max-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ Styles */
.faq-item {
  background: #fff;
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 4px 4px 0 rgba(139, 92, 246, 0.1);
}

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

/* Contact Styles */
.contact-info {
  background: #fff;
  border-radius: 0.5rem;
  padding: 3rem;
  box-shadow: 4px 4px 0 rgba(139, 92, 246, 0.15);
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

/* Document Container */
.doc-container {
  max-width: 800px;
  margin: 8rem auto 4rem;
  padding: 2rem;
  text-align: center;
}

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

/* Comparison Section */
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

@media (max-width: 768px) {
  .comparison {
    grid-template-columns: 1fr;
  }
}

/* Tips Grid */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.tip-card {
  background: #fff;
  border-radius: 0.5rem;
  padding: 2rem;
  box-shadow: 4px 4px 0 rgba(139, 92, 246, 0.15);
}

.tip-card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}