/* About Us 페이지 전용 스타일 */

/* 영웅 섹션 오버라이드 스타일 */
.about-hero {
  position: relative;
  min-height: 500px;
  padding: 0;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* 작은 제목 스타일 추가 */
.small-title {
  font-size: 1.8rem;
}

/* 흰색 제목 스타일 추가 */
.white-title {
  color: white !important;
}

/* Match to homepage hero height */
@media (min-width: 769px) {
  .about-hero {
    min-height: 500px;
  }

  /* 중앙선 원위치 (강제) */
  .timeline::after {
    left: 50% !important;
    margin-left: -1.5px !important;
    content: '' !important; /* JS가 숨긴 content 속성 복구 */
  }

  /* 왼쪽 항목 위치 강제 */
  .timeline-container.left {
    left: 0 !important;
  }
  
  /* 오른쪽 항목 위치 강제 (가장 중요!) */
  .timeline-container.right {
    left: 50% !important;
  }

  /* 마커(원) 복구 및 위치 강제 */
  .timeline-container::after {
    content: '' !important; /* JS가 숨긴 content 속성 복구 */
  }
  .timeline-container.left::after { right: -9px !important; left: auto !important; }
  .timeline-container.right::after { left: -9px !important; right: auto !important; }
}

@media (max-width: 768px) {
  .about-hero {
    min-height: 500px;
  }
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: none; /* 딤 필터 제거 */
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: none; /* 오버레이 제거 */
  z-index: 2;
}

.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  opacity: 0.4; /* 파티클 효과 투명도 더 감소 */
}

.hero-content {
  position: relative;
  z-index: 4;
  width: 100%;
  padding: var(--spacing-3xl) 0;
}

.hero-text-container {
  max-width: 650px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--spacing-lg);
  line-height: 1.3;
  animation: fadeInUp 1s ease-out forwards;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); /* 텍스트 그림자 더 감소 */
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle-line {
  height: 5px;
  width: 150px;
  background: var(--color-accent);
  margin: var(--spacing-lg) 0;
  animation: expandWidth 1.2s ease-out forwards;
  box-shadow: 0 2px 10px rgba(212, 175, 55, 0.5);
  display: none; /* 골드 라인 숨김 */
}

.hero-subtitle {
  font-size: 1.4rem;
  font-weight: 500;
  color: white; /* 텍스트 색상을 흰색으로 변경 */
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 1.2s ease-out 0.2s forwards;
  opacity: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); /* 텍스트 그림자 더 감소 */
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description {
  font-size: 1.4rem;
  color: white; /* 텍스트 색상을 흰색으로 변경 */
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
  max-width: 650px;
  animation: fadeInUp 1.4s ease-out 0.4s forwards;
  opacity: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); /* 텍스트 그림자 더 감소 */
}

.hero-button {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-2xl);
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.2rem;
  border-radius: var(--border-radius-md);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  animation: fadeInUp 1.6s ease-out 0.6s forwards;
  opacity: 0;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  border: none;
  cursor: pointer;
}

.hero-button:hover {
  background: #f5c842;
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}

.hero-button:active {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes expandWidth {
  from {
    width: 0;
  }
  to {
    width: 100px;
  }
}

/* 타임라인 스타일 - 크기 축소 버전 */
.timeline {
  position: relative;
  max-width: 1000px; /* 너비 축소 */
  margin: 2rem auto; /* 상하 여백 축소 */
  padding: var(--spacing-xl) 0; /* 패딩 축소 */
  background-color: #f5f5f5;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
  overflow: visible;
}

.timeline::before {
  content: '회사 연혁';
  position: absolute;
  top: -20px; /* 위치 조정 */
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  color: white;
  padding: 10px 25px; /* 패딩 축소 */
  font-size: 1.1rem; /* 폰트 크기 축소 */
  font-weight: 700;
  border-radius: 25px; /* 약간 축소 */
  z-index: 5;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  white-space: nowrap;
  border: 2px solid rgba(255,255,255,0.1);
  letter-spacing: 1px;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 3px; /* 선 두께 축소 */
  background-color: var(--color-accent);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1.5px;
  border-radius: var(--border-radius-full);
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.5);
}

.timeline-container {
  padding: var(--spacing-md) var(--spacing-md); /* 패딩 축소 */
  position: relative;
  width: 50%;
  opacity: 0;
  transform: translateX(-40px); /* 이동 거리 축소 */
  transition: all 0.7s ease;
}

.timeline-container.right {
  left: 50%;
  transform: translateX(40px); /* 이동 거리 축소 */
}

.timeline-container.left {
  left: 0;
}

.timeline-container.animate {
  opacity: 1;
  transform: translateX(0);
}

.timeline-content {
  padding: var(--spacing-lg); /* 패딩 축소 */
  background-color: white;
  position: relative;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border-left: 3px solid var(--color-accent); /* 테두리 두께 축소 */
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-3px); /* 호버 이동 거리 축소 */
  box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
  font-size: 1.2rem; /* 폰트 크기 축소 */
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm); /* 여백 축소 */
}

.timeline-content p {
  font-size: 0.9rem; /* 폰트 크기 축소 */
  line-height: 1.5;
  color: var(--color-text-light);
}

.timeline-container::after {
  content: '';
  position: absolute;
  width: 18px; /* 크기 축소 */
  height: 18px; /* 크기 축소 */
  right: -9px; /* 위치 조정 */
  top: var(--spacing-xl); /* 위치 조정 */
  background-color: white;
  border: 3px solid var(--color-accent); /* 테두리 두께 축소 */
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 0 6px rgba(212, 175, 55, 0.7);
  transition: background-color 0.3s ease;
}

.timeline-container:hover::after {
  background-color: var(--color-accent);
}

.timeline-container.right::after {
  left: -9px; /* 위치 조정 */
}

/* 통계 섹션 스타일 */
.stats-section {
  background: linear-gradient(135deg, #1a365d 0%, #0f2942 100%);
  color: white;
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
  border-top: 5px solid var(--color-accent);
  border-bottom: 5px solid var(--color-accent);
  margin: 3rem 0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://public.youware.com/users-website-assets/prod/7071c674-47c3-4fca-85e0-18e623d53450/81e5d4b9b2ac4056b0fdfeb07a97ff13.jpg') center center/cover fixed;
  opacity: 0.1;
  z-index: 1;
}

.stats-section .section-title {
  color: white;
  font-size: var(--fs-h2);/* var(--font-size-2xl); /* main page와 동일한 사이즈로 통일 */
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  letter-spacing: 0.5px;
}

.stats-section .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-2xl);
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  text-shadow: 0 1px 5px rgba(0,0,0,0.2);
}

.stats-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-xl);
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xl);
}

.stat-item {
  padding: var(--spacing-xl);
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--color-accent);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), transparent);
  z-index: -1;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
}

.stat-number {
  font-size: 4.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  display: inline-block;
  background: linear-gradient(45deg, var(--color-accent), #f5c842);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  position: relative;
  text-shadow: 2px 2px 10px rgba(212, 175, 55, 0.3);
}

/* 숫자 뒤 + 표시는 HTML에서 <sup>+</sup>로 직접 추가했으므로 CSS 처리 필요 없음 */
.stat-number sup {
  font-size: 2.5rem;
  vertical-align: super;
  background: linear-gradient(45deg, var(--color-accent), #f5c842);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  left: 0;
  top: -10px;
}

.stat-label {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 500;
}

/* 특징 섹션 스타일 - 카드 구분 명확화 및 사이즈 조정 */
.features-section {
  padding: var(--spacing-2xl) 0; /* 여백 일관성 유지 */
  background-color: var(--color-light-gray);
  position: relative;
}

.features-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
}

.features-section .section-title {
  font-size: var(--fs-h2); /* var(--font-size-2xl); /* main page와 동일한 사이즈로 통일 */
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  text-align: center;
  width: 100%;
}

.features-section .section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--color-accent);
}

.features-section .section-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-2xl);
  max-width: 700px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* 사이즈 조정으로 한 줄에 4개 카드 표시 */
  gap: var(--spacing-lg); /* 간격 줄임 */
  margin-top: var(--spacing-2xl);
}

.feature-card {
  background: white;
  padding: var(--spacing-xl) var(--spacing-lg); /* 패딩 줄임 */
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1); /* 그림자 강화 */
  text-align: center;
  transition: all 0.4s ease;
  transform: translateY(30px);
  opacity: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  border-top: 4px solid var(--color-accent); /* 항상 보이도록 */
  border: 1px solid #e0e0e0; /* 테두리 추가로 구분감 강화 */
}

.feature-card.animate {
  transform: translateY(0);
  opacity: 1;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.15); /* 그림자 더 강화 */
  border-top: 4px solid var(--color-accent);
  background-color: #fcfcfc; /* 호버 시 배경색 미세하게 변경 */
}

.feature-icon {
  font-size: 2.5rem; /* 아이콘 크기 약간 축소 */
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg); /* 여백 축소 */
  transition: all 0.3s ease;
  background-color: rgba(212, 175, 55, 0.1); /* 아이콘 배경색 추가 */
  width: 80px;
  height: 80px;
  line-height: 80px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-lg);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  background-color: rgba(212, 175, 55, 0.2); /* 호버 시 배경색 강화 */
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md); /* 여백 축소 */
  position: relative;
  padding-bottom: var(--spacing-md);
}

.feature-title::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.feature-card:hover .feature-title::after {
  width: 80px;
}

.feature-description {
  color: var(--color-text-light);
  flex-grow: 1;
  font-size: 0.95rem; /* 텍스트 크기 약간 축소 */
  line-height: 1.7;
}

/* 글로벌 네트워크 섹션 스타일 */
.global-network {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #1a365d 0%, #2d5a87 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-top: 5px solid var(--color-accent);
  border-bottom: 5px solid var(--color-accent);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  margin: 3rem 0;
}

.network-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  z-index: 1;
}

.network-content {
  position: relative;
  z-index: 2;
}

.network-title {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.network-description {
  max-width: 900px;
  margin: 0 auto var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  line-height: 1.6;
}

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

.introduction-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}

.about-introduction {
  padding: var(--spacing-2xl) 0; /* 여백 일관성 유지 */
  background-color: #f9f9f9;
}

.network-image {
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform 0.5s ease;
  opacity: 0;
  transform: scale(0.9);
}

.network-image.animate {
  opacity: 1;
  transform: scale(1);
}

.network-locations {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.network-location {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.network-location.animate {
  opacity: 1;
  transform: translateY(0);
}

.network-location:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

/* 솔루션 섹션 스타일 - 카드 사이즈 조정 */
.solutions-section {
  padding: var(--spacing-2xl) 0; /* 여백 일관성 유지 */
  background: linear-gradient(to bottom, white, #f9f9f9);
  position: relative;
}

.solutions-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.solutions-section .section-title {
  font-size: var(--fs-h2);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  color: var(--color-primary);
  text-align: center;
  width: 100%;
}

.solutions-section .section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--color-accent);
}

.solutions-section .section-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-2xl);
  max-width: 800px;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* 사이즈 조정으로 한 줄에 4개 카드 표시 */
  gap: var(--spacing-lg); /* 간격 축소 */
  margin-top: var(--spacing-2xl);
}

.solution-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  height: 250px; /* 카드 높이 축소 */
  transform: translateY(30px);
  opacity: 1; /* opacity를 1로 설정하여 항상 보이도록 함 */
  transition: all 0.5s ease;
  border: 1px solid rgba(0, 0, 0, 0.1); /* 테두리 추가로 구분감 강화 */
}

.solution-item.animate {
  transform: translateY(0);
  opacity: 1;
}

.solution-item::before {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transition: all 0.5s ease;
  z-index: 3;
}

.solution-item:hover::before {
  top: -20px;
  left: -20px;
  width: 150px;
  height: 150px;
}

.solution-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: all 0.5s ease;
  filter: brightness(0.9); /* 배경 이미지 약간 어둡게 해서 텍스트와 구분 */
}

.solution-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg) var(--spacing-lg); /* 패딩 약간 축소 */
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.6)); /* 그라데이션 강화 */
  color: white;
  transition: all 0.5s ease;
  border-top: 2px solid var(--color-accent); /* 상단 테두리 추가로 구분감 강화 */
}

.solution-item:hover .solution-bg {
  transform: scale(1.1);
  filter: brightness(0.85); /* 호버 시 약간 더 어둡게 */
}

.solution-item:hover .solution-content {
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.7)); /* 호버 시 그라데이션 강화 */
  padding-bottom: var(--spacing-2xl);
}

.solution-title {
  font-size: 1.2rem; /* 폰트 크기 약간 축소 */
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-accent);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5); /* 텍스트 그림자로 가독성 향상 */
}

.solution-description {
  font-size: 0.9rem; /* 폰트 크기 약간 축소 */
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.95); /* 색상 약간 밝게 */
  max-height: 0;
  overflow: hidden;
  transition: all 0.5s ease;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5); /* 텍스트 그림자로 가독성 향상 */
}

.solution-item:hover .solution-description {
  max-height: 100px; /* 높이 약간 축소 */
  margin-top: var(--spacing-md);
}

/* CTA 섹션 오버라이드 */
.about-cta {
  background: linear-gradient(135deg, #d4af37 0%, #f5c842 100%);
  position: relative;
  overflow: hidden;
  padding: var(--spacing-3xl) 0;
  /* margin-top: var(--spacing-3xl); */
}

.about-cta::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.about-cta::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -50px;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.about-cta h2 {
  color: var(--color-primary);
  font-size: var(--fs-h2);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.about-cta p {
  color: var(--color-dark-blue);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.about-cta .cta-button-large {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  display: inline-block;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.about-cta .cta-button-large::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), transparent);
  transition: all 0.3s ease;
  z-index: -1;
}

.about-cta .cta-button-large:hover {
  background: var(--color-dark-blue);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.about-cta .cta-button-large:hover::before {
  left: 100%;
}

/* 반응형 스타일 */
@media (max-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.8rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
  }
  
  .features-grid,
  .solutions-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
  
  .stats-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-text-container {
    padding: 0 var(--spacing-md);
    text-align: center;
    margin: 0 auto;
  }
  
  .hero-subtitle-line {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .about-hero {
    min-height: 600px;
  }
  
  .timeline::before {
    top: -20px;
    font-size: 1rem;
  }
  
  .section-title {
    font-size: var(--fs-h2);
  }
  
  .section-subtitle {
    font-size: 1.1rem !important;
  }
  
  .stat-number {
    font-size: 3rem;
  }
  
  .network-image-container {
    margin-bottom: var(--spacing-xl);
  }
  
  .solution-item {
    height: 250px;
  }
  
  .solution-item:hover .solution-description {
    max-height: 80px;
  }
  
  .about-cta h2 {
    font-size: var(--fs-h2)
  }
  
  .about-cta p {
    font-size: 1.1rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .stats-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .stat-item {
    padding: var(--spacing-md);
  }
  
  .network-locations {
    gap: var(--spacing-md);
  }
  
  .network-location {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .feature-icon {
    font-size: 2.5rem;
  }
  
  .feature-title {
    font-size: 1.2rem;
  }
  
  .solution-title {
    font-size: 1.1rem;
  }
  
  .solution-description {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .about-hero {
    min-height: 500px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.3rem;
  }
  
  .hero-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9rem;
  }
  
  .about-cta .cta-button-large {
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: 0.9rem;
  }
}

/* 전체 섹션 타이틀 중앙 정렬 */
.section-title {
  text-align: center !important;
  width: 100%;
}

.section-subtitle {
  text-align: center;
}

/* 올인원 물류 솔루션 스타일 */
.all-in-one h2 {
  font-size: var(--fs-h2);
}

/* 올인원 물류 솔루션 카드 스타일 수정 */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.all-in-one .solution-item {
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
  border: none;
  height: auto;
  transform: none;
  opacity: 1;
  position: relative;
  overflow: visible;
}

.all-in-one .solution-item:hover {
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  transform: translateY(-5px);
}

.all-in-one .solution-icon {
  color: var(--color-accent);
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.all-in-one .solution-item h3 {
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.all-in-one .solution-item p {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 온라인 시스템 개발 전문 업체 스타일 */
.online-system-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) 0;
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-accent);
}

.system-features-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
}

.system-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  transition: all 0.3s ease;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  background-color: #f9f9f9;
  border-left: 3px solid var(--color-accent);
}

.system-feature-item:hover {
  transform: translateX(5px);
  background-color: #f5f5f5;
  box-shadow: var(--shadow-sm);
}

.feature-check {
  flex-shrink: 0;
  color: var(--color-accent);
  font-size: 1.5rem;
  line-height: 1.5;
}

.feature-text {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .online-system-content {
    padding: var(--spacing-lg) 0;
  }
  
  .system-features-grid {
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
  }
  
  .system-feature-item {
    padding: var(--spacing-sm);
  }
  
  .feature-text {
    font-size: 1rem;
  }
  
  .cta-section .hero-button {
    padding: 10px 20px !important;
    font-size: 0.9rem !important;
  }
  
  /* 히어로 섹션의 상담 버튼도 모바일에서 작게 */
  .hero-content .hero-button {
    padding: 8px 16px !important;
    font-size: 0.85rem !important;
  }
}


@media (max-width: 768px) {
  /* 모바일 뷰: 중앙선과 마커를 숨깁니다 */
  .timeline::after,
  .timeline-container::after {
    content: none;
  }

  /* 모든 타임라인 아이템을 왼쪽에 정렬합니다 */
  .timeline-container, 
  .timeline-container.right {
    width: 100%;
    left: 0;
    padding-left: 20px;
    padding-right: 20px;
    transform: none; /* 애니메이션 효과 제거 */
  }
}