:root{--build-id:"f10c90e1-7132-437e-a066-5d2676c4c437";}
/* ========================================
   CSS Reset & Base
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ========================================
   Design Tokens (C04)
   ======================================== */
:root {
  --primary: #0284c7;
  --bg: #e0f2fe;
  --text: #075985;
  --accent: #0ea5e9;
  --heading: #075985;
  --link: #075985;
  --white: #ffffff;
  --light-gray: #f0f9ff;
  --border: #bae6fd;
}

/* ========================================
   Typography (F7, H02)
   ======================================== */
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(--white);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0em;
  color: var(--heading);
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
}

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

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

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

/* ========================================
   Skip Link (Accessibility)
   ======================================== */
.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;
}

/* ========================================
   Layout (S01)
   ======================================== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 5rem 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

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

/* ========================================
   Header & Navigation (N13)
   ======================================== */
header {
  background: rgba(224, 242, 254, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

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

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

.nav-left a {
  font-weight: 500;
  color: var(--text);
  transition: color 0.3s ease;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.cta-button {
  padding: 0.875rem 2rem;
  background: var(--primary);
  color: var(--white);
  border-radius: 9999px;
  font-weight: 500;
  border: 2px solid var(--primary);
  transition: all 0.3s ease;
}

.cta-button:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.menu-checkbox {
  display: none;
}

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

.mobile-nav {
  display: none;
}

@media (max-width: 768px) {
  .nav-left {
    display: none;
  }

  .logo {
    position: static;
    transform: none;
    font-size: 1.25rem;
  }

  .cta-button {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }

  .menu-checkbox:checked ~ .mobile-nav {
    display: block;
  }

  .mobile-nav ul {
    list-style: none;
    padding: 1rem 2rem;
  }

  .mobile-nav li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }

  .mobile-nav a {
    display: block;
    color: var(--text);
    font-weight: 500;
  }

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

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
  background: linear-gradient(135deg, var(--bg) 0%, var(--light-gray) 100%);
  padding: 6rem 0;
}

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

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

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

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

@media (max-width: 768px) {
  .hero-section .container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-visual {
    order: -1;
  }
}

/* ========================================
   Buttons (B02)
   ======================================== */
.btn-primary {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--primary);
  color: var(--white);
  border-radius: 9999px;
  font-weight: 500;
  border: 2px solid var(--primary);
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

/* ========================================
   Content Sections
   ======================================== */
.intro-section,
.features-section,
.comparison-section,
.content-section {
  padding: 5rem 0;
}

.bg-light {
  background-color: var(--light-gray);
}

.content-section h2 {
  margin-bottom: 2rem;
}

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

/* ========================================
   Feature Cards (K02)
   ======================================== */
.feature-card {
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  background: var(--white);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.feature-card .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

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

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

/* ========================================
   Comparison Section
   ======================================== */
.comparison-item {
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  background: var(--white);
}

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

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  text-align: center;
  padding: 5rem 0;
}

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

.cta-section p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.95);
}

.cta-section .btn-primary {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.cta-section .btn-primary:hover {
  background: var(--bg);
  border-color: var(--bg);
  color: var(--primary);
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
  background: linear-gradient(135deg, var(--bg) 0%, var(--light-gray) 100%);
  padding: 4rem 0;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.125rem;
  color: var(--text);
}

/* ========================================
   Testimonials
   ======================================== */
.testimonial-card {
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  background: var(--white);
  margin-bottom: 2rem;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.testimonial-icon {
  font-size: 3rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: 50%;
}

.testimonial-info h3 {
  margin-bottom: 0.25rem;
  font-size: 1.25rem;
}

.testimonial-info p {
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: 0;
}

.testimonial-card > p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text);
}

/* ========================================
   Contact Page
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: 0.5rem;
  flex-shrink: 0;
}

.contact-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.contact-item p {
  margin-bottom: 0.25rem;
  color: var(--text);
}

.contact-message h2 {
  margin-bottom: 1.5rem;
}

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

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

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

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links h4,
.footer-contact h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
}

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

.footer-contact p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

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

.footer-legal a:hover {
  color: var(--white);
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ========================================
   Document Pages (Privacy, Terms)
   ======================================== */
.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;
}

/* ========================================
   Responsive Typography
   ======================================== */
@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  section {
    padding: 3rem 0;
  }

  .container {
    padding: 0 1.5rem;
  }
}