:root{--build-id:"155b2a36-a2e3-4a39-9a91-bedfc6018819";}
@charset "UTF-8";

/* ===== CSS Variables (C02) ===== */
:root {
  --primary: #1e40af;
  --bg: #eff6ff;
  --text: #1e3a8a;
  --accent: #60a5fa;
  --heading: #1e3a8a;
  --link: #1e3a8a;
  --radius: 0.5rem;
}

/* ===== Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== Body (F3 - Windows Core) ===== */
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;
  color: var(--text);
  background-color: var(--bg);
}

/* ===== Headings (H02) ===== */
h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1rem;
}

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

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

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

/* ===== 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;
}

/* ===== Header (N05) ===== */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(30, 64, 175, 0.1);
}

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

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

.menu-checkbox {
  display: none;
}

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

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

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

nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 700;
}

nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

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

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-bottom: 1px solid rgba(30, 64, 175, 0.1);
  }

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

  nav ul {
    flex-direction: column;
    padding: 1rem 2rem;
    gap: 0;
  }

  nav li {
    width: 100%;
    border-bottom: 1px solid rgba(30, 64, 175, 0.1);
  }

  nav a {
    display: block;
    padding: 1rem 0;
  }
}

/* ===== Main Content ===== */
main {
  min-height: 60vh;
}

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

/* ===== Section (S01) ===== */
section {
  padding: 5rem 0;
}

.section-gap {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* ===== Hero Section (L01) ===== */
.hero {
  background: linear-gradient(135deg, #1e40af 0%, #60a5fa 100%);
  color: white;
  text-align: center;
  padding: 8rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><path d="M0 50 Q 25 25, 50 50 T 100 50" stroke="rgba(255,255,255,0.1)" fill="none" stroke-width="2"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  color: white;
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* ===== Grid (L01) ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
}

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

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

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

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

.btn:hover {
  background: transparent;
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.2);
}

.btn:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
}

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

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, #1e40af 0%, #60a5fa 100%);
  color: white;
  text-align: center;
  padding: 5rem 2rem;
  border-radius: var(--radius);
}

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

.cta-section p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

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

.cta-section .btn:hover {
  background: transparent;
  color: white;
  border-color: white;
}

/* ===== Footer ===== */
footer {
  background: #1e3a8a;
  color: white;
  padding: 3rem 2rem 2rem;
  margin-top: 5rem;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

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

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

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== SVG Icons ===== */
.icon-svg {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
}

/* ===== Document Container (Privacy/Terms) ===== */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 5rem 2rem;
  text-align: center;
}

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

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  section {
    padding: 3rem 0;
  }

  .hero {
    padding: 5rem 1rem;
  }
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}

.mb-1 {
  margin-bottom: 1rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mt-2 {
  margin-top: 2rem;
}

p {
  margin-bottom: 1rem;
}