:root{--build-id:"90a4dc25-34b6-41b0-b598-89c906e4ab09";}
/* Reset & Base */
* {
  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: #1a1a1a;
  background: #fafafa;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #15803d;
  color: #fff;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
}

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

/* Layout - L18: Asymmetric Grid */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.grid-asymmetric {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 48px;
  align-items: start;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

/* Color - C30: Sage Green Professional */
:root {
  --primary: #15803d;
  --primary-light: #22c55e;
  --primary-dark: #14532d;
  --accent: #a16207;
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-light: #525252;
  --border: #e5e5e5;
}

/* Typography - T10: Professional Hierarchy */
h1 {
  font-size: clamp(2.25rem, 4vw + 1rem, 3.75rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(1.69rem, 3vw + 0.75rem, 2.81rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 20px;
}

h3 {
  font-size: clamp(1.27rem, 2.25vw + 0.56rem, 2.11rem);
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 16px;
}

p {
  margin-bottom: 16px;
  color: var(--text-light);
}

/* Navigation - N03: Centered Horizontal */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

nav {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px 24px;
  gap: 48px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-menu a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  padding: 8px 0;
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: var(--primary);
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

.nav-menu a[aria-current="page"] {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

/* Button - B16: Rounded Solid */
.btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border-radius: 24px;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.btn:hover,
.btn:focus {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(21, 128, 61, 0.2);
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-secondary {
  background: var(--accent);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: #92400e;
}

/* Card - K16: Elevated Shadow */
.card {
  background: var(--surface);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s;
}

.card:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.card h3 {
  color: var(--primary);
  margin-bottom: 16px;
}

/* Section - S11: Alternating Background */
section {
  padding: 80px 0;
}

section:nth-child(even) {
  background: var(--surface);
}

section:nth-child(odd) {
  background: var(--bg);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: 120px 0;
  text-align: center;
}

.hero h1 {
  color: #fff;
  margin-bottom: 24px;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  max-width: 700px;
  margin: 0 auto 32px;
}

/* Icon Styles */
.icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}

/* List Styles */
.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: "✓";
  color: var(--primary);
  font-weight: 700;
  font-size: 20px;
}

/* FAQ Styles */
.faq-item {
  background: var(--surface);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}

.faq-question {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 18px;
}

.faq-answer {
  color: var(--text-light);
  line-height: 1.7;
}

/* Footer */
footer {
  background: var(--text);
  color: #fff;
  padding: 48px 0 24px;
  margin-top: 80px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-section h3 {
  color: #fff;
  margin-bottom: 16px;
  font-size: 18px;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
}

.footer-section a:hover,
.footer-section a:focus {
  color: var(--primary-light);
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 24px;
  }

  .nav-menu {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .grid-asymmetric,
  .grid-3col,
  .grid-2col {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  section {
    padding: 48px 0;
  }

  .hero {
    padding: 80px 0;
  }
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}