:root{--build-id:"8fd77a2b-4de5-47dd-bc67-604c5d2c1fba";}
/* ================================
   이에노라94 - 축구공 사이트
   변수: L24, C13, T17, B07, N07, K07, S11, H07, F4, CS07
   ================================ */

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

/* 색상 변수 - C13 */
:root {
  --primary: #22c55e;
  --bg: #f0fdf4;
  --text: #14532d;
  --accent: #4ade80;
  --heading: #14532d;
  --link: #14532d;
}

/* 폰트 - F4 (Windows Modern) + T17 (Pretendard 300/600/800 + Nanum Myeongjo 400/700) */
body {
  font-family: "Segoe UI Variable", "Malgun Gothic", "Noto Sans KR", 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);
}

/* 헤딩 - H07 */
h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--heading);
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--heading);
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.005em;
  color: var(--heading);
}

/* 접근성 - 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;
}

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

/* 헤더 - N07 (상단 스크롤 + 드롭다운) */
header {
  background: #fff;
  border-bottom: 2px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1350px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text);
}

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

nav a {
  color: var(--link);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

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

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

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #e5e7eb;
    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;
  }
}

/* 섹션 레이아웃 - S11 */
section {
  padding: 5.75rem 0;
}

.container {
  max-width: 1350px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-gap {
  display: flex;
  flex-direction: column;
  gap: 3.75rem;
}

/* 버튼 - B07 (사각형, 굵은 테두리, 대문자) */
.btn {
  border-radius: 0;
  padding: 1.5rem 3.5rem;
  font-weight: 800;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
  border: 3px solid var(--primary);
  background: var(--primary);
  color: #fff;
  letter-spacing: 0.05em;
}

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

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

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

/* 카드 - K07 (검은 테두리 3px, 사각형) */
.card {
  border: 3px solid #000;
  border-radius: 0;
  padding: 2rem;
  background: #fff;
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-4px);
}

/* 그리드 레이아웃 */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.grid-6 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}

/* 히어로 섹션 - L24 (테크 스타일) */
.hero {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  text-align: center;
  padding: 6rem 0;
}

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

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* 타임라인 - CS07 스타일 */
.timeline {
  position: relative;
  padding-left: 3rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -3.5rem;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  border: 4px solid #fff;
}

.timeline-item h3 {
  margin-bottom: 1rem;
}

/* 푸터 */
footer {
  background: #fff;
  border-top: 3px solid var(--primary);
  padding: 3rem 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--link);
  text-decoration: none;
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--primary);
}

/* 문서 컨테이너 (Privacy/Terms) */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

/* 반응형 */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  section {
    padding: 3rem 0;
  }

  .hero {
    padding: 4rem 0;
  }

  .btn {
    padding: 1rem 2rem;
    font-size: 0.875rem;
  }

  .timeline {
    padding-left: 2rem;
  }

  .timeline-item::before {
    left: -2.5rem;
  }
}

/* 아이콘 스타일 */
.icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

/* 텍스트 정렬 */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

/* SVG 스타일 */
svg {
  max-width: 100%;
  height: auto;
}

/* 리스트 스타일 */
ul.styled-list {
  list-style: none;
  padding-left: 0;
}

ul.styled-list li {
  padding-left: 2rem;
  position: relative;
  margin-bottom: 1rem;
}

ul.styled-list li::before {
  content: "⚽";
  position: absolute;
  left: 0;
}