:root{--build-id:"f6bfe1d3-ef9d-488c-9832-1ddfe109d860";}
/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #334155;
  --bg: #f8fafc;
  --text: #0f172a;
  --accent: #94a3b8;
  --heading: var(--text);
  --link: var(--text);
  --container: 1500px;
  --section-padding: 7rem;
  --gap: 5rem;
}

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;
}

/* Header & Navigation */
header {
  background: rgba(248, 250, 252, 0.95);
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
}

.header-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

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

.search-box {
  flex: 1;
  max-width: 400px;
  display: none;
}

.search-box input {
  width: 100%;
  padding: 0.5rem 1rem;
  border: 2px solid var(--accent);
  border-radius: 0.375rem;
  font-size: 0.875rem;
}

.menu-checkbox {
  display: none;
}

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

nav ul {
  list-style: none;
  display: none;
  flex-direction: column;
  gap: 1rem;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg);
  padding: 2rem;
  border-bottom: 1px solid #e2e8f0;
}

.menu-checkbox:checked ~ nav ul {
  display: flex;
}

nav a {
  color: var(--link);
  text-decoration: none;
  font-weight: 500;
  display: block;
  padding: 0.5rem 0;
}

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

/* Button */
.btn {
  border: 2px solid var(--primary);
  background: transparent;
  padding: 0.875rem 2rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
  transition: all 0.3s;
}

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

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

section {
  padding: var(--section-padding) 0;
}

/* Hero */
.hero {
  text-align: center;
  padding: 8rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(148, 163, 184, 0.1) 0%, transparent 100%);
  z-index: -1;
}

/* Heading */
h1 {
  font-size: 3.375rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.1);
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.7rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

/* Card */
.card {
  border-bottom: 2px solid #e5e7eb;
  padding: 2rem 0;
}

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

/* Grid */
.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
}

/* Steps */
.steps {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.step {
  display: flex;
  gap: 1.5rem;
}

.step-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

/* Testimonials */
.testimonial {
  padding: 2rem 0;
  border-bottom: 2px solid #e5e7eb;
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary);
  margin-top: 1rem;
}

/* FAQ */
.faq-item {
  padding: 2rem 0;
  border-bottom: 2px solid #e5e7eb;
}

.faq-q {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

/* Footer */
footer {
  background: var(--primary);
  color: #fff;
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-brand {
  font-size: 1.25rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links a {
  color: #fff;
  text-decoration: none;
  opacity: 0.9;
}

.footer-links a:hover {
  opacity: 1;
  text-decoration: underline;
}

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

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 2rem 0;
}

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

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

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

/* Accessibility */
a:focus-visible,
input:focus-visible,
label:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}

/* Responsive */
@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }

  .menu-checkbox {
    display: none;
  }

  nav ul {
    display: flex;
    flex-direction: row;
    position: static;
    padding: 0;
    border: none;
    background: transparent;
  }

  .search-box {
    display: block;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }

  h1 {
    font-size: clamp(2.5rem, 5vw, 3.375rem);
  }

  h2 {
    font-size: clamp(2rem, 4vw, 2.7rem);
  }
}

@media (min-width: 1024px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}