:root{--build-id:"bd51afe9-ffa4-4a3c-941e-8cf538d1d339";}
/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #0369a1;
  --bg: #e0f2fe;
  --text: #075985;
  --accent: #38bdf8;
  --heading: #075985;
  --link: #075985;
}

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

/* 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 #0066cc;
  outline-offset: 2px;
}

/* Header & Navigation */
header {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 1400px;
  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);
  text-decoration: none;
}

.menu-checkbox {
  display: none;
}

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

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

nav a {
  color: var(--link);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 600;
}

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

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
  }

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

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

/* Typography */
h1 {
  font-size: clamp(2.875rem, 3.0vw + 1rem, 3.20rem);
  font-weight: 790;
  line-height: 1.16;
  letter-spacing: -0.014em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2.16rem, 2.25vw + 0.75rem, 2.40rem);
  font-weight: 790;
  line-height: 1.21;
  letter-spacing: -0.014em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.73rem, 1.8vw + 0.6rem, 1.92rem);
  font-weight: 690;
  line-height: 1.26;
  letter-spacing: -0.014em;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

/* Layout */
main {
  min-height: calc(100vh - 200px);
}

section {
  padding: 6rem 0;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  padding: 8rem 0 6rem;
  text-align: center;
}

.hero h1 {
  color: #fff;
  margin-bottom: 1.5rem;
}

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

/* Button */
.btn {
  display: inline-block;
  border-radius: 0.25rem;
  padding: 1rem 2rem;
  font-weight: 600;
  transform: skew(-5deg);
  background: #fff;
  color: var(--primary);
  text-decoration: none;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: skew(-5deg) translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

/* Card */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4rem;
  margin-top: 3rem;
}

.card {
  border-radius: 0.75rem;
  border: 1px solid var(--primary);
  padding: 1.5rem;
  transform: rotate(-1deg);
  background: #fff;
  transition: all 0.3s;
}

.card:hover {
  transform: rotate(0deg) translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

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

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

/* List */
.feature-list {
  list-style: none;
  margin: 2rem 0;
}

.feature-list li {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feature-list li:before {
  content: "✓";
  color: var(--primary);
  font-weight: 700;
  font-size: 1.5rem;
}

/* Footer */
footer {
  background: var(--primary);
  color: #fff;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

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

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
}

.footer-section a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

/* Doc Container */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
}

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

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

/* Contact Info */
.contact-info {
  background: #fff;
  padding: 2rem;
  border-radius: 0.75rem;
  margin: 2rem 0;
  border: 2px solid var(--primary);
}

.contact-info p {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  section {
    padding: 3rem 0;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

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

  .container {
    padding: 0 1rem;
  }
}