/* 기본 폰트 및 리셋 */
* {
  font-family: "Pretendard Variable", system-ui, "Helvetica Neue", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 0;
  font-size: 1rem;
  color: #333;
  line-height: 1.6;
  background-color: #fff;
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-weight: 300;
}

/* 스크롤 애니메이션 */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 컨테이너 */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* 네비게이션 */
.navbar {
  display: flex;
  background-color: white;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  transition-property: transform;
  transition-duration: .4s;
  z-index: 1000; 
}

.navbar > .container-fluid {
  max-width: 100rem;
  margin: 0 auto;
  position: relative;
  padding: 0 5rem;
  display: flex;
  justify-content: left;
}

.navbar-brand {
  display: inline-block;
  font-size: 1.25rem;
  line-height: inherit;
  vertical-align: middle;
}

.navbar-brand img {
  width: 6rem;
  height: auto;
}

.navbar-brand:hover, .navbar-brand:focus {
  text-decoration: none;
}

.navbar-toggler {
  padding: 0.25rem 0.75rem;
  line-height: 0;
  z-index: 6;
  position: relative;
  justify-content: flex-end;
}

.navbar-toggler-icon {
  display: inline-block;
  width: 1.5em;
  height: 1.5em;
  vertical-align: middle;
  background-size: 100% 100%;
}

.navbar-collapse {
  z-index: 9;
}

.collapse:not(.show) {
  display: none;
}

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

.nav-item {
  font-size: 100%;
  font-weight: 700;
  padding-right: 2rem;
}

.navbar-nav a:hover {
  color: #006EB8;
  font-weight: 800;
  text-decoration: none;
}

/* 활성 페이지 스타일 (hover보다 우선순위 높게) */
.navbar-nav .nav-link.active,
.navbar-nav .nav-link.active:hover,
.navbar-nav .nav-link.active:focus {
  color: #006EB8 !important;
  font-weight: 800 !important;
  text-decoration: none;
}



/* nav-item에 position relative 추가 (밑줄 효과를 위해) */
.nav-item {
  font-size: 100%;
  font-weight: 700;
  padding-right: 2rem;
  position: relative; /* 이 부분 추가 */
}

/* 헤더 메인 */
.header-main {
  position: relative;
  width: 100%;
  margin-top: 0%;
  height: 100vh;
  min-height: 500px;
  background-color: white;
  background-size: cover;
  overflow: hidden;
  z-index: 800;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.header-main .container {
  z-index: 2;
  text-align: center;
  padding-top: 15rem;
}

.header-main video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 90%;
  object-fit: cover;
  filter: brightness(65%);
  z-index: 1;
  pointer-events: none;
}

/* 히어로 섹션 */
.hero-section {
  background: linear-gradient(135deg, #1e3c72 0%, #006EB8 100%);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-section2 {
  background: linear-gradient(135deg, #99e3e6 0%, #4272f3 50%);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-section3 {
  background: linear-gradient(135deg, #30abca 0%, #2a6eff 100%);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
  background-size: cover;
}

.hero-content {
  text-align: center;
  color: white;
  z-index: 2;
  position: relative;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 2rem;
  opacity: 0.9;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-description {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3rem;
  opacity: 0.8;
  animation: fadeInUp 1s ease-out 0.6s both;
}

/* 섹션 */
.about-section {
  padding: 120px 0;
  background: linear-gradient(135deg, #f8f9ff 0%, #e8f4f8 100%);
}

.detail-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.section-description {
  font-size: 1.2rem;
  color: #666;
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* 섹션 타이틀 */
.section-title {
  text-align: center;
  margin-bottom: 80px;
  letter-spacing: -1px;
  word-spacing: -2px;
}

.section-title h2 {
  font-size: calc(25px + (40 - 25) * ((100vw - 320px) / (1200 - 320)));
  font-weight: 700;
  color: #333;
  margin-bottom: 15px;
}

.section-title p {
  font-size: 1.1rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* 코어 밸류 섹션 */
.core-values-section {
  padding: 120px 0;
}

.value-card {
  transition: all 0.3s ease;
}

/* 미션 비전 섹션 */
.mission-vision-section {
  margin-top: 80px;
}

/* 스탯 섹션 */
.stats-section {
  padding: 80px 0;
  color: white;
}

.stat-item {
  text-align: center;
  margin-bottom: 30px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 10px;
  display: block;
}

.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* 비전 섹션 */
.vision-section {
  padding: 120px 0;
  background: white;
}

.vision-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.vision-text {
  flex: 1;
}

.vision-image {
  flex: 1;
  position: relative;
}

.vision-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.vision-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-top: 30px;
  margin-bottom: 30px;
  color: #1e3c72;
}

.vision-description {
  font-size: 1.1rem;
  color: #666;
  line-height: 1.8;
  margin-bottom: 30px;
}

.vision-highlights {
  list-style: none;
  padding: 0;
}

.vision-highlights li {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  font-size: 1rem;
  color: #555;
}

.vision-highlights li::before {
  content: "✓";
  color: #28a745;
  font-weight: bold;
  margin-right: 15px;
  font-size: 1.2rem;
}

/* CTA 섹션 */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.cta-description {
  font-size: 1.2rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

.cta-button {
  background: white;
  color: #1e3c72;
  padding: 15px 40px;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  color: #1e3c72;
  text-decoration: none;
}

/* 디테일 섹션 */
.detail-section {
  padding: 120px 0;
}

.detail-section.style-standard {
  background: white;
}

.detail-section.style-standard:nth-of-type(even) {
  background: #f8f9fa;
}

.detail-text h2 {
  font-size: 2.8em;
  margin-bottom: 25px;
  color: #1a252f;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 1px;
}

.detail-text .highlight {
  color: #e74c3c;
  font-weight: 500;
  font-size: 1.2em;
  margin-bottom: 25px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.detail-text p {
  font-size: 1.15em;
  line-height: 1.9;
  color: #555;
  font-weight: 300;
}

.detail-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 70px rgba(0,0,0,0.12);
}

.detail-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.detail-image:hover img {
  transform: scale(1.08);
}

/* 배경 이미지 스타일 */
.detail-section.style-background {
  position: relative;
  height: 70vh;
  min-height: 600px;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-section.style-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 37, 47, 0.7), rgba(44, 62, 80, 0.6));
  z-index: 1;
}

.background-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 900px;
  padding: 60px 40px;
}

.background-content h2 {
  font-size: 3.5em;
  margin-bottom: 30px;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 2px;
}

.background-content .highlight {
  font-size: 1.4em;
  margin-bottom: 35px;
  color: #3498db;
  font-weight: 400;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.background-content p {
  font-size: 1.25em;
  line-height: 1.9;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
  font-weight: 300;
}

/* 리버스 레이아웃 */
.detail-section.style-standard:nth-child(even) .detail-content {
  direction: rtl;
}

.detail-section.style-standard:nth-child(even) .detail-text {
  direction: ltr;
}

/* 웨딩 헤더 */
.wedding-header {
  text-align: center;
  margin-bottom: 50px;
}

.wedding-main-title {
  font-size: calc(25px + (40 - 25) * ((100vw - 320px) / (1200 - 320)));
  font-weight: bold;
  line-height: 1.3;
  color: #006EB8;
  text-align: center;
  word-spacing: 3px;
  margin-bottom: 15px;
}

/* 섹션 그리드 */
.sections-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.section-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  position: relative;
}

.section-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.section-image {
  width: 100%;
  height: 250px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.section-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
}

.section-content {
  padding: 30px;
  position: relative;
}

.section-features {
  list-style: none;
  padding: 0;
}

.section-features li {
  padding: 8px 0;
  position: relative;
  padding-left: 25px;
  color: #555;
}

.section-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
}

.section-overlay {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.9);
  color: #333;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9em;
  font-weight: 600;
  z-index: 10;
}

/* 섹션별 오버레이 색상 */
.section-card:nth-child(1) .section-overlay { 
  background: linear-gradient(135deg, #667eea 0%, #4157b8 100%); 
  color: white; 
}
.section-card:nth-child(2) .section-overlay { 
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%); 
  color: white; 
}
.section-card:nth-child(3) .section-overlay { 
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); 
  color: white; 
}
.section-card:nth-child(4) .section-overlay { 
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%); 
  color: white; 
}
.section-card:nth-child(5) .section-overlay { 
  background: linear-gradient(135deg, #5f72bd 0%, #4823ea 100%); 
  color: white;
}
.section-card:nth-child(6) .section-overlay { 
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%); 
    color: white; 
}

/* 비즈니스 섹션 */
.business-section {
  background: linear-gradient(135deg, #f8f9ff 0%, #e8f4f8 100%);
  padding: 80px 0;
}

.business-card {
  background: white;
  border-radius: 20px;
  margin: 30px 0;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  position: relative;
}

.business-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.business-card-header {
  padding: 40px 30px;
  position: relative;
  overflow: hidden;
}

.business-number {
  font-size: 4rem;
  font-weight: bold;
  opacity: 0.1;
  position: absolute;
  top: 10px;
  right: 20px;
  z-index: 1;
}

.business-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  display: block;
}

.business-title {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 8px;
  line-height: 1.2;
  color: #333;
}

.business-subtitle {
  font-size: 1rem;
  margin-bottom: 15px;
  color: #666;
  font-weight: 500;
}

.business-description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #555;
}

.business-highlights {
  padding: 20px 30px 30px;
  background: #f8f9ff;
}

.highlight-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.highlight-list li {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: #555;
}

.highlight-list li:before {
  content: "✓";
  color: #066A4C;
  font-weight: bold;
  margin-right: 10px;
  font-size: 1.1rem;
}

.business-image {
  margin: 15px 0 20px 0;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.business-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.business-card:hover .business-image img {
  transform: scale(1.05);
}

/* 비즈니스 카드별 색상 테마 */
.business-1 .business-icon { color: #667eea; }
.business-1 .business-number { color: #667eea; }

.business-2 .business-icon { color: #f5576c; }
.business-2 .business-number { color: #f5576c; }

.business-3 .business-icon { color: #4facfe; }
.business-3 .business-number { color: #4facfe; }

.business-4 .business-icon { color: #43e97b; }
.business-4 .business-number { color: #43e97b; }

.business-5 .business-icon { color: #fa709a; }
.business-5 .business-number { color: #fa709a; }

/* 코스 섹션 */
.section.courses {
  padding: 80px 0;
}

.section-heading {
  margin-bottom: 60px;
}

.section-heading h2 {
  font-size: 36px;
  font-weight: 600;
  text-transform: capitalize;
  margin: 20px 0;
  line-height: 44px;
  color: #006DB8
}

.section-heading h6 {
  color: #024a7a;
  font-size: 14px;
  text-transform: uppercase;
  font-weight: 600;
}

.events_item {
  background-color: #eaf1fa;
  border-radius: 25px;
  margin-bottom: 30px;
  position: relative;
  height: 100%;
}

.events_item .thumb {
  position: relative;
  border-radius: 25px 25px 0 0;
  overflow: hidden;
}

.video-container {
  position: relative;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
}

.video-container iframe {
  position: absolute;
  border-radius: 15px;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-container:hover iframe {
    transform: scale(1.02);
}

/* 숏츠 영상 컨테이너 */
.shorts-video-container {
    padding: 20px;
}

.video-wrapper {
    transition: transform 0.3s ease;
}

.video-wrapper:hover {
    transform: scale(1.02);
}

/* 반응형 처리 */
@media (max-width: 768px) {
    .video-wrapper {
        width: 280px !important;
        height: 498px !important;
    }
    
    .detail-content {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }
}

@media (max-width: 480px) {
    .video-wrapper {
        width: 250px !important;
        height: 444px !important;
    }
}

.detail-section .highlight {
    color: #1e3c72;
    font-weight: 600;
    font-size: 1.1em;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.events_item .down-content {
  padding: 25px 30px 30px;
  text-align: center;
}

/* CTA 배경 섹션 */
section.cta {
  position: relative;
  padding: 9rem 0;
  background-image: url(../images/topbanner-re.png);
  background-position: center;
  background-size: cover;
}

section.cta .cta-content {
  position: relative;
  z-index: 1;
}

section.cta:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
}

.smbanner {
  font-size: calc(22px + (30 - 22) * ((100vw - 320px) / (1200 - 320)));
  font-weight: 600;
  line-height: 130%;
  color: white;
}

/* 서포터 페이지 */
.subtext1 {
  margin-top: 60px;
  font-size: calc(14px + (16 - 14) * ((100vw - 320px) / (1200 - 320)));
  color: #666;
  line-height: 26px;
  letter-spacing: -1px;
  text-align: left;
  width: 100%;
}

.subtext1 img {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  height: auto;
  display: block;
}

.profiletitle {
  display: flex;
  align-items: center;
  margin-top: 30px;
}

.profiletitle .subtext {
  font-size: calc(15px + (20 - 15) * ((100vw - 320px) / (1200 - 320)));
  line-height: 3rem;
}

.line {
  width: 3px;
  height: 30px;
  background-color: #006EB8
; 
  margin-right: 8px;
}

.subtext {
  font-size: calc(25px + (30 - 25) * ((100vw - 320px) / (1200 - 320)));
  color: #006EB8;
  font-weight: 700;
}

.profile h1 {
  font-weight: 700;
  color: #121212;
}

/* ===== NETWORK PAGE 전용 스타일 ===== */

/* 통계 섹션 */
.stats-section {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e3c72;
    display: block;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    margin-top: 5px;
}

/* 필터 섹션 - 숨김 처리 */
.filter-section {
    text-align: center;
    margin-bottom: 50px;
    display: none; /* 카테고리 기능 임시 숨김 */
}

.filter-buttons {
    display: inline-flex;
    gap: 10px;
    background: white;
    padding: 8px;
    border-radius: 50px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
}

.filter-btn.active,
.filter-btn:hover {
    background: #1e3c72;
    color: white;
    transform: translateY(-2px);
}

/* 멤버 그리드 */
.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    align-items: start;
}

/* 멤버 카드 */
.member-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    min-height: 540px; /* 500px → 540px로 변경 */
    display: flex;
    flex-direction: column;
}

.member-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

/* 프로필 이미지 - 세로형 프로필에 최적화 */
.member-image {
    width: 100%;
    height: 360px;
    min-height: 360px;
    max-height: 360px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0; /* 중요: flex 컨테이너에서 줄어들지 않도록 */

}

.member-image img {
    width: auto;
    height: 100%;
    max-width: 100%;
    object-fit: contain;
    object-position: center;
}

/* 기본 아바타 */
.member-avatar {
    width: 120px;
    height: 120px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

/* 카드 내용 */
.member-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.member-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #333;
}

.member-position {
    font-size: 1rem;
    color: #1e3c72;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

/* 경력 리스트 - 스크롤 영역 */
.member-experience {
    flex: 1;
    overflow-y: auto;
    max-height: 150px;
}

.member-experience::-webkit-scrollbar {
    width: 4px;
}

.member-experience::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.member-experience::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 2px;
}

.experience-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.experience-list li {
    padding: 4px 0;
    position: relative;
    padding-left: 20px;
    color: #555;
    font-size: 0.9rem;
    line-height: 1.4;
}

.experience-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #1e3c72;
    font-weight: bold;
}

/* 카테고리 배지 - 숨김 처리 */
.category-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255,255,255,0.9);
    color: #1e3c72;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    display: none; /* 카테고리 배지 임시 숨김 */
}

/* 필터 애니메이션 */
.member-card.hidden {
    display: none;
}

.member-card.show {
    animation: fadeInUp 0.6s ease forwards;
}

/* ===== NETWORK PAGE 반응형 ===== */
@media (max-width: 768px) {
    .stats-section {
        gap: 30px;
    }
    
    .members-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .member-card {
        height: 510px;
    }
    
    .filter-buttons {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .member-card {
        height: 480px;
    }
    
    .member-content {
        padding: 20px;
    }
}

/* 푸터 */
.footer-background {
  background: #1e3c72;
  background-repeat: no-repeat;
  background-size: cover;
}

.footer-border-color {
  border-color: #1187CF;
  font-size: calc(10px + (12 - 10) * ((100vw - 320px) / (1200 - 320)));
  color: white;
}

.footer-text-color2 {
  color: white;
  font-size: calc(10px + (12 - 10) * ((100vw - 320px) / (1200 - 320)));
}

.footer-links li {
  width: 100%;
}

.footer-links li a {
  color: inherit; 
  font-size: calc(10px + (12 - 10) * ((100vw - 320px) / (1200 - 320)));
  font-weight: 400;
  text-decoration: underline;
  margin-bottom: 25px;
  display: block;
}

.footer-links li a:before {
  content: "- ";
}

.footer-links li:last-child a {
  margin-bottom: 0;
}

.footer-logo-brand img {
  width: 150px;
}

.white-color {
  color: #fff;
}

/* 유틸리티 클래스 */
.flex-shrink-0 {
  flex-shrink: 0 !important;
}

.d-flex {
  display: flex !important;
}

.flex-column {
  flex-direction: column !important;
}

.img-fluid {
  max-width: 100%;
  height: auto;
}

.px-5 {
  padding-right: 3rem !important;
  padding-left: 3rem !important;
}

.h-100 {
  height: 100% !important;
}

.align-items-center {
  align-items: center !important;
}

.justify-content-center {
  justify-content: center !important;
}

.py-3 {
  padding-top: 1rem !important;
  padding-bottom: 1rem !important;
}

.px-4 {
  padding-right: 1.5rem !important;
  padding-left: 1.5rem !important;
}

.rounded-pill {
  border-radius: var(--bs-border-radius-pill) !important;
}

.text-center {
  text-align: center !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mb-4 {
  margin-bottom: 1.5rem !important;
}

.mb-6 {
  margin-bottom: 3rem !important;
}

.banner-text-big {
    font-size: 72px; /* 원하는 크기로 조정 (예: 72px) */
    color: white;
    font-weight: bold; /* 선택 사항: 강조하고 싶을 때 */
    text-align: center; /* 선택 사항: 중앙 정렬 */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
}
  

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

/* 반응형 */
@media (max-width: 1200px) {
  .sections-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }
}

@media (max-width: 1024px) {
  .container {
    padding: 0 30px;
  }
  
  .hero-title {
    font-size: 3em;
  }

  .detail-content {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .detail-section.style-standard:nth-child(even) .detail-content {
    direction: ltr;
  }

  .background-content h2 {
    font-size: 2.8em;
  }

  .detail-section.style-background {
    background-attachment: scroll;
    height: 60vh;
    min-height: 500px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .vision-content {
    flex-direction: column;
    gap: 40px;
  }

  .about-section,
  .vision-section,
  .detail-section {
    padding: 80px 0;
  }

  .sections-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .section-image {
    height: 200px;
  }

  .business-card-header {
    padding: 30px 20px;
  }
  
  .business-highlights {
    padding: 15px 20px 25px;
  }
  
  .business-title {
    font-size: 1.5rem;
  }
  
  .business-number {
    font-size: 3rem;
  }

  .detail-text h2 {
    font-size: 2.2em;
  }
  
  .background-content h2 {
    font-size: 2.2em;
  }

  .stat-number {
    font-size: 2rem;
  }

  .navbar > .container-fluid {
    padding: 0 2rem;
  }

  .navbar-toggler {
    position: fixed;
    justify-content: end;
    margin-right: -15%;
  }

  .header-main {
    background-attachment: fixed;
    background-position: 100%;
    background-size: fill;
    justify-content: flex-start;
  }

  .subtext1 {
    float: none;
    width: 100%;
    padding: 0 5%;
  }

  .events_item .down-content {
    padding: 20px 15px 25px;
  }
}

@media (max-width: 480px) {
  .sections-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .container {
    padding: 40px 15px;
  }
  
  .section-content {
    padding: 20px;
  }
}