:root{--build-id:"60446bd4-3445-400b-bb52-e2b056a2a494";}
@charset "UTF-8";

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

html {
  font-size: 16px;
  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: var(--text);
  background-color: var(--bg);
}

/* ========================================
   Design Tokens (C37, H19)
======================================== */
:root {
  --primary: #27272a;
  --bg: #f4f4f5;
  --text: #18181b;
  --accent: #71717a;
  --heading: var(--text);
  --link: var(--text);
}

/* ========================================
   Typography (H19)
======================================== */
h1 {
  font-size: clamp(2.5rem, 5vw, 4.125rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.875rem, 4vw, 3.09375rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.32031rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.7;
}

ul,
ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

/* ========================================
   Layout & Spacing (S03)
======================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

/* ========================================
   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;
}

/* ========================================
   Header & Navigation (N03)
======================================== */
header {
  background-color: var(--bg);
  border-bottom: 1px solid #e5e7eb;
  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);
}

.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
}

nav a {
  font-weight: 500;
  color: var(--text);
  padding: 0.5rem 0;
}

nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 700;
  border-bottom: 2px solid var(--primary);
}

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

  nav {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg);
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
    border-bottom: 1px solid #e5e7eb;
  }

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

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

  nav li {
    border-bottom: 1px solid #e5e7eb;
  }

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

/* ========================================
   Buttons (B19)
======================================== */
.btn-primary,
.btn-secondary {
  display: inline-block;
  border-radius: 0.375rem;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  font-size: 0.875rem;
  text-align: center;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
}

.btn-primary:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: #fff;
  opacity: 1;
}

/* ========================================
   Hero Section (L20)
======================================== */
.hero {
  background: linear-gradient(135deg, #fafafa 0%, #f4f4f5 100%);
  padding: 8rem 0;
}

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

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

.hero-text {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  color: var(--accent);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual svg {
  width: 100%;
  height: auto;
  max-width: 400px;
}

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

  .hero {
    padding: 4rem 0;
  }

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

/* ========================================
   Intro Section
======================================== */
.intro {
  background-color: #fff;
}

.intro h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 4rem;
}

.intro-item {
  text-align: center;
}

.intro-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}

.intro-item h3 {
  margin-bottom: 0.75rem;
}

.intro-item p {
  color: var(--accent);
  line-height: 1.6;
}

/* ========================================
   Features Preview
======================================== */
.features-preview {
  background-color: var(--bg);
}

.features-preview h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4rem;
}

.feature-card {
  border-radius: 0.25rem;
  background: #f9fafb;
  padding: 1.5rem;
  text-align: center;
}

.feature-card svg {
  width: 100%;
  height: auto;
  max-width: 200px;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--accent);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ========================================
   Process Section
======================================== */
.process {
  background-color: #fff;
}

.process h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 4rem;
}

.process-step {
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.process-step h3 {
  margin-bottom: 0.75rem;
}

.process-step p {
  color: var(--accent);
  line-height: 1.6;
}

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

.cta-section h2 {
  color: #fff;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

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

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

.cta-section .btn-secondary {
  background-color: transparent;
  color: #fff;
  border-color: #fff;
}

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

/* ========================================
   Page Header
======================================== */
.page-header {
  background: linear-gradient(135deg, #fafafa 0%, #f4f4f5 100%);
  padding: 4rem 0 3rem;
  text-align: center;
}

.page-intro {
  font-size: 1.125rem;
  color: var(--accent);
  margin-bottom: 0;
}

/* ========================================
   Content Section
======================================== */
.content-section {
  background-color: #fff;
}

.content-section:nth-child(even) {
  background-color: var(--bg);
}

.content-section h2 {
  margin-bottom: 1.5rem;
}

.content-section p {
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* ========================================
   Value Grid
======================================== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 4rem;
  margin-top: 2rem;
}

.value-item {
  text-align: center;
}

.value-item h3 {
  margin-bottom: 0.75rem;
}

.value-item p {
  color: var(--accent);
  line-height: 1.6;
}

/* ========================================
   Feature List
======================================== */
.feature-list {
  list-style: none;
  margin-left: 0;
  margin-top: 1.5rem;
}

.feature-list li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.75rem;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ========================================
   Guide Box
======================================== */
.guide-box {
  background-color: var(--bg);
  border-left: 4px solid var(--primary);
  padding: 1.5rem;
  margin-top: 1.5rem;
  border-radius: 0.25rem;
}

.guide-box h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.guide-box ul {
  margin-left: 1.5rem;
  margin-bottom: 0;
}

.guide-box li {
  margin-bottom: 0.5rem;
}

/* ========================================
   FAQ List
======================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.faq-item {
  background-color: var(--bg);
  padding: 2rem;
  border-radius: 0.5rem;
}

.faq-item h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.faq-item p {
  line-height: 1.7;
  margin-bottom: 0;
}

/* ========================================
   Contact Info
======================================== */
.contact-info {
  margin-bottom: 3rem;
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 4rem;
  margin-top: 2rem;
}

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

.contact-icon {
  font-size: 2rem;
  color: var(--primary);
}

.contact-item h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.contact-item p {
  margin-bottom: 0.25rem;
}

.contact-note {
  font-size: 0.875rem;
  color: var(--accent);
}

.contact-guide,
.contact-hours {
  margin-top: 3rem;
}

.contact-guide h2,
.contact-hours h2 {
  margin-bottom: 1rem;
}

.contact-guide ul {
  margin-left: 1.5rem;
}

.contact-hours p {
  margin-bottom: 0.5rem;
}

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

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

.footer-info {
  margin-bottom: 2rem;
}

.footer-brand {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-info p {
  margin-bottom: 0.5rem;
  opacity: 0.9;
}

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.footer-links a {
  color: #fff;
  opacity: 0.9;
}

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

.footer-copyright {
  font-size: 0.875rem;
  opacity: 0.7;
  margin-bottom: 0;
}

/* ========================================
   Document Container (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 {
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.doc-container a {
  color: var(--primary);
  text-decoration: underline;
}

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

/* ========================================
   Responsive Adjustments
======================================== */
@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }

  .container {
    padding: 0 1.5rem;
  }

  .intro-grid,
  .feature-cards,
  .process-steps,
  .value-grid,
  .contact-details {
    gap: 2rem;
  }

  .hero-cta,
  .cta-buttons {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }
}