:root{--build-id:"ba4531cd-888b-4a5f-a9b2-2d4c7e3cb2b5";}
@charset "UTF-8";

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

:root {
  /* C40: 중성 다크 톤 */
  --primary: #292524;
  --bg: #f5f5f4;
  --text: #1c1917;
  --accent: #78716c;
  --heading: var(--text);
  --link: var(--text);

  /* S07: 여백 시스템 */
  --section-padding: 5.5rem 0;
  --container-width: 1250px;
  --gap: 3.25rem;
}

html {
  scroll-behavior: smooth;
}

body {
  /* F8: Neutral Fallback */
  font-family: system-ui, "Helvetica Neue", Arial, "Noto Sans KR", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0em;
  color: var(--text);
  background: var(--bg);
}

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

a:hover {
  opacity: 0.7;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===================================
   Accessibility
   =================================== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
  border-radius: 0 0 4px 0;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}

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

/* ===================================
   H20: 헤딩 스타일
   =================================== */
h1 {
  /* H20: clamp 반응형 */
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  border-bottom: 4px solid var(--primary);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  color: var(--heading);
}

h2 {
  /* h1 기준 0.75배 */
  font-size: clamp(1.5rem, 3.75vw, 2.4375rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  /* h2 기준 0.85배 */
  font-size: clamp(1.25rem, 3.2vw, 2.07rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

/* ===================================
   N15: 네비게이션 (버튼형)
   =================================== */
header {
  background: rgba(245, 245, 244, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(41, 37, 36, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.header-container {
  max-width: var(--container-width);
  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);
  background: none;
  border: none;
  padding: 0.5rem;
}

nav ul {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  align-items: center;
}

nav ul li a {
  /* B20: 버튼형 메뉴 */
  display: block;
  padding: 0.625rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.025em;
  color: var(--text);
  background: rgba(120, 113, 108, 0.1);
  transition: all 0.3s ease;
}

nav ul li a:hover,
nav ul li a[aria-current="page"] {
  background: var(--primary);
  color: #fff;
}

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

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid rgba(41, 37, 36, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

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

  nav ul {
    flex-direction: column;
    padding: 1rem 2rem;
    gap: 0.75rem;
  }

  nav ul li a {
    width: 100%;
    text-align: center;
  }
}

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

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

/* ===================================
   L10: 그라데이션 히어로
   =================================== */
.hero {
  background: linear-gradient(135deg, var(--bg) 0%, rgba(120, 113, 108, 0.2) 100%);
  text-align: center;
  padding: 6rem 2rem;
  border-bottom: 2px solid rgba(41, 37, 36, 0.1);
}

.hero h1 {
  border-bottom: none;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  color: var(--text);
  opacity: 0.9;
}

/* B20: CTA 버튼 */
.cta-button {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.025em;
  background: var(--primary);
  color: #fff;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

/* ===================================
   L10: 6열 그리드
   =================================== */
.grid-6 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--gap);
  margin-top: 3rem;
}

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

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

/* K20: 카드 스타일 */
.card {
  border: 1px solid #f3f4f6;
  border-radius: 0.5rem;
  padding: 1.75rem;
  background: #fff;
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

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

.card p {
  margin-bottom: 0;
  color: var(--text);
  opacity: 0.8;
}

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

/* ===================================
   Statistics Section
   =================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  text-align: center;
  margin-top: 2rem;
}

.stat-item {
  padding: 2rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.125rem;
  color: var(--text);
  opacity: 0.8;
}

/* ===================================
   Lists
   =================================== */
ul.feature-list {
  list-style: none;
  margin: 1.5rem 0;
}

ul.feature-list li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
}

ul.feature-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.25rem;
}

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

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
}

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

.footer-section h3 {
  color: #fff;
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

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

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

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   Contact Section
   =================================== */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: #fff;
  border-radius: 0.5rem;
  border: 1px solid #f3f4f6;
}

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

.contact-details h3 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.contact-details p {
  margin: 0;
  color: var(--text);
  opacity: 0.8;
}

/* ===================================
   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: 1.125rem;
  margin-bottom: 1.5rem;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

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

  .hero {
    padding: 4rem 1.5rem;
  }

  .grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .grid-6 {
    grid-template-columns: 1fr;
  }
}