:root{--build-id:"261a6902-6599-4176-a345-5b83b153f47f";}
/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #10b981;
  --bg: #f0fdf4;
  --text: #064e3b;
  --accent: #34d399;
  --heading: #064e3b;
  --link: #064e3b;
  --container: 1280px;
  --section-padding: 5rem;
  --gap: 3rem;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* 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;
}

/* Focus Styles */
a:focus-visible,
input:focus-visible,
label:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* Header - N05: 상단 투명 + 좌측 로고 + 우측 메뉴+CTA (인라인) */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(240, 253, 244, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(16, 185, 129, 0.1);
  z-index: 50;
  padding: 1rem 0;
}

.header-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.menu-checkbox {
  display: none;
}

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

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

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

nav a {
  color: var(--link);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

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

nav .cta-btn {
  background: var(--primary);
  color: white;
  border-radius: 0;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: background 0.2s;
}

nav .cta-btn:hover {
  background: #059669;
  color: white;
}

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

  nav {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg);
    flex-direction: column;
    padding: 2rem;
    transition: left 0.3s;
    border-top: 1px solid rgba(16, 185, 129, 0.1);
  }

  nav ul {
    flex-direction: column;
    width: 100%;
  }

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

/* Headings - H05 */
h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--heading);
  margin-bottom: 1rem;
}

/* Sections */
section {
  padding: var(--section-padding) 0;
}

/* Hero Section - L13: 비대칭 레이아웃 */
.hero {
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  padding-top: calc(var(--section-padding) + 70px);
}

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

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

.hero-image svg {
  width: 100%;
  max-width: 500px;
  height: auto;
}

@media (max-width: 968px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: calc(var(--section-padding) + 50px);
  }

  .hero-content {
    padding-right: 0;
  }
}

/* Cards - K05 */
.card {
  border: 2px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 2rem;
  background: white;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.1);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.card h3 {
  margin-bottom: 0.75rem;
}

/* 3-Column Grid */
.three-col-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap);
}

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

.comparison-card {
  border: 2px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 2rem;
  background: white;
}

.comparison-card h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary);
}

.comparison-card ul {
  list-style: none;
  padding: 0;
}

.comparison-card li {
  padding: 0.75rem 0;
  padding-left: 1.75rem;
  position: relative;
  border-bottom: 1px solid #f3f4f6;
}

.comparison-card li:last-child {
  border-bottom: none;
}

.comparison-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 2rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.375rem;
  top: 0.5rem;
  width: 1rem;
  height: 1rem;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--bg);
}

.timeline-item h3 {
  margin-bottom: 0.5rem;
}

/* Buttons - B05 */
.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 0;
  padding: 1.25rem 3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
  text-align: center;
}

.btn:hover {
  background: #059669;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

/* Sidebar CTA */
.sidebar-cta {
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  background: white;
  border: 2px solid var(--primary);
  border-radius: 0.5rem;
  padding: 1.5rem;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.15);
  max-width: 280px;
  z-index: 40;
}

.sidebar-cta h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 0.75rem;
}

.sidebar-cta p {
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.sidebar-cta .btn {
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .sidebar-cta {
    position: static;
    margin: 2rem auto;
    max-width: 100%;
  }
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item span {
  font-size: 1.5rem;
  color: var(--primary);
}

.contact-item div h3 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

/* Footer */
footer {
  background: white;
  border-top: 2px solid #e5e7eb;
  padding: 3rem 0 2rem;
  margin-top: 5rem;
}

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

.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 1rem;
}

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

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

.footer-section a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #e5e7eb;
  font-size: 0.875rem;
  color: #6b7280;
}

/* Doc Container */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(70px + 2rem);
}

/* List Styles */
ul,
ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Paragraph Spacing */
p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

/* Strong */
strong {
  font-weight: 600;
  color: var(--primary);
}