:root{--build-id:"fea1da0f-32ee-48c6-9676-667ffbdc7c2c";}
/* ========================================
   테우아로39 - 축구공 전문 웹사이트
   변수: L14, C14, T02, B08, N11, K08, S03, H08, F6, CS08
   ======================================== */

/* === 1. CSS 리셋 === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* === 2. 색상 팔레트 (C14 - 그린) === */
:root {
  --primary: #16a34a;
  --bg: #dcfce7;
  --text: #166534;
  --accent: #22c55e;
  --heading: #166534;
  --link: #166534;
  --white: #ffffff;
  --gray-light: #f3f4f6;
  --gray-medium: #9ca3af;
  --gray-dark: #374151;
}

/* === 3. 폰트 시스템 (F6 - Roboto 스택) === */
body {
  font-family: Roboto, system-ui, "Noto Sans KR", "Malgun Gothic", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  font-weight: 400;
  color: var(--text);
  background-color: var(--white);
}

/* === 4. 헤딩 스타일 (H08 - 강렬한 대형) === */
h1 {
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--heading);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--heading);
}

h3 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--heading);
}

h4 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--heading);
}

/* === 5. 버튼 스타일 (B08 - 스퀘어 + 오프셋 그림자) === */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  border-radius: 0;
  background-color: var(--primary);
  color: var(--white);
  cursor: pointer;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: var(--accent);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
}

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

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

/* === 6. 네비게이션 (N11 - 중앙 로고 + 좌우 메뉴) === */
.nav-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--white);
  border-bottom: 2px solid var(--bg);
  transition: all 0.3s ease;
}

.nav-container.scrolled {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-left,
.nav-right {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-left {
  margin-right: auto;
}

.nav-right {
  margin-left: auto;
}

.nav-left a,
.nav-right a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-left a:hover,
.nav-right a:hover {
  color: var(--primary);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 24px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* === 7. 섹션 여백 (S03 - 넉넉한 여백) === */
section {
  padding: 6rem 0;
}

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

.section-gap {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

/* === 8. 카드 스타일 (K08 - 대시 테두리) === */
.card {
  border: 2px dashed var(--gray-medium);
  border-radius: 0.75rem;
  padding: 1.75rem;
  background-color: var(--white);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.1);
}

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

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--text);
  line-height: 1.65;
}

/* === 9. 레이아웃 (L14 - 풀스크린 히어로) === */
.hero-fullscreen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg) 0%, var(--white) 100%);
  text-align: center;
  padding: 8rem 2rem 6rem;
  position: relative;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

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

/* === 10. 리스트 섹션 === */
.list-section {
  background-color: var(--white);
}

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

/* === 11. 비포애프터 섹션 === */
.before-after {
  background-color: var(--gray-light);
}

.comparison-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.comparison-side {
  padding: 2rem;
  background-color: var(--white);
  border-radius: 0.75rem;
}

.comparison-label {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

/* === 12. 체크리스트 스타일 (CS08) === */
.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.checklist-icon {
  font-size: 1.5rem;
  color: var(--primary);
  flex-shrink: 0;
}

.checklist-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 0.5rem;
}

.checklist-content p {
  color: var(--text);
  line-height: 1.6;
}

/* === 13. 푸터 === */
footer {
  background-color: var(--text);
  color: var(--white);
  padding: 3rem 0 2rem;
}

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

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

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  line-height: 1.8;
}

.footer-section a:hover {
  color: var(--accent);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-bottom {
  max-width: 1400px;
  margin: 2rem auto 0;
  padding: 2rem 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* === 14. 반응형 디자인 === */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-logo {
    position: static;
    transform: none;
  }

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

  section {
    padding: 4rem 0;
  }

  .hero-fullscreen {
    padding: 6rem 1.5rem 4rem;
  }

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

/* === 15. 접근성 === */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: var(--white);
  padding: 0.5rem 1rem;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* === 16. 유틸리티 클래스 === */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary);
}

.bg-light {
  background-color: var(--bg);
}

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

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}