/* ==========================================
   바레톤 BARRETONE 랜딩페이지 스타일
   ========================================== */

/* 기본 리셋 및 변수 */
:root {
    /* 컬러 팔레트 */
    --primary-color: #E91E63;
    --primary-dark: #C2185B;
    --primary-light: #F8BBD0;
    --secondary-color: #9C27B0;
    --accent-color: #FFD700;
    
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --light-gray: #E9ECEF;
    --gray: #6C757D;
    --dark-gray: #495057;
    --text-dark: #212529;
    
    /* 그라데이션 */
    --gradient-primary: linear-gradient(135deg, #E91E63 0%, #9C27B0 100%);
    --gradient-light: linear-gradient(135deg, rgba(233, 30, 99, 0.1) 0%, rgba(156, 39, 176, 0.1) 100%);
    
    /* 타이포그래피 */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-english: 'Montserrat', sans-serif;
    
    /* 간격 */
    --section-padding: 100px;
    --section-padding-mobile: 60px;
    --container-max-width: 1200px;
    
    /* 애니메이션 */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* 컨테이너 */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 섹션 공통 스타일 */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

    .section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ==========================================
   내비게이션
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 45px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo h1 {
    font-family: var(--font-english);
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.logo .tagline {
    font-size: 0.75rem;
    color: var(--gray);
    font-family: var(--font-english);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links .cta-btn {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 25px;
}

.nav-links .cta-btn::after {
    display: none;
}

.nav-links .cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.3);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    z-index: 1001;
}

/* ==========================================
   히어로 섹션
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
    margin-top: 80px;
    padding-bottom: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 20px;
}

.hero-title {
    font-family: var(--font-english);
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

/* 버튼 스타일 */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-dark);
    border: 2px solid rgba(233, 30, 99, 0.5);
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    background: rgba(233, 30, 99, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.2);
}

.btn-secondary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    box-shadow: 0 5px 20px rgba(233, 30, 99, 0.3);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 14px 32px;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(233, 30, 99, 0.4);
}

.btn-large {
    padding: 18px 45px;
    font-size: 1.125rem;
}

/* ==========================================
   글로벌 행보 섹션
   ========================================== */
.global-presence {
    background: var(--white);
}

.global-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.global-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
}

.global-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 2;
}

.upcoming-badge {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
}

.card-video-container {
    width: 100%;
    height: 280px;
    border-bottom: 3px solid var(--primary-light);
    overflow: hidden;
}

.card-video-container iframe {
    width: 100%;
    height: 100%;
}

.card-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    border-bottom: 3px solid var(--primary-light);
    position: relative;
}

.card-image.image-expandable {
    cursor: pointer;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.card-image-placeholder {
    height: 250px;
    background: var(--gradient-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 3px solid var(--primary-light);
}

.card-image-placeholder i {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: 15px;
}

.card-image-placeholder p {
    color: var(--gray);
    font-size: 0.875rem;
    text-align: center;
    padding: 0 20px;
}

.card-content {
    padding: 30px;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.card-date {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--dark-gray);
}

.card-features i {
    color: var(--primary-color);
    margin-top: 3px;
}

/* ==========================================
   대내외 활동 섹션
   ========================================== */
.external-activities {
    background: var(--white);
}

.activity-slider-wrapper {
    position: relative;
    padding: 0 60px;
}

.activity-slider {
    display: flex;
    gap: 30px;
    overflow: hidden;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 20px 0;
    -webkit-overflow-scrolling: touch;
    pointer-events: none;
    transition: transform 0.5s ease;
}

.activity-slider > * {
    pointer-events: auto;
}

.activity-slider::-webkit-scrollbar {
    height: 8px;
}

.activity-slider::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: 10px;
}

.activity-slider::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.activity-video {
    flex: 0 0 600px;
    scroll-snap-align: center;
}

.activity-video iframe {
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.slider-arrow:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow-left {
    left: 0;
}

.slider-arrow-right {
    right: 0;
}

/* ==========================================
   통계 섹션
   ========================================== */
.stats-section {
    background: var(--gradient-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.stat-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.stat-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
}

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

.stat-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.stat-description {
    font-size: 0.875rem;
    color: var(--gray);
}

/* ==========================================
   바레톤 소개 섹션
   ========================================== */
.about-section {
    background: var(--white);
}

.about-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--dark-gray);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.program-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.program-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
}

.program-image-placeholder {
    height: 200px;
    background: var(--gradient-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 3px solid var(--primary-light);
}

.program-image-placeholder i {
    font-size: 2.5rem;
    color: var(--primary-light);
    margin-bottom: 10px;
}

.program-image-placeholder p {
    color: var(--gray);
    font-size: 0.75rem;
}

.program-content {
    padding: 25px;
}

.program-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.program-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.program-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--dark-gray);
}

/* ==========================================
   강사 기회 섹션
   ========================================== */
.instructor-section {
    background: var(--gradient-light);
}

.instructor-image {
    width: 100%;
    height: 450px;
    overflow: hidden;
    border-radius: 20px;
    margin-bottom: 60px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    cursor: pointer;
}

.instructor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 45%;
    transition: var(--transition);
}

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

.instructor-image-placeholder {
    height: 300px;
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    margin-bottom: 60px;
    border: 2px dashed var(--primary-light);
}

.instructor-image-placeholder i {
    font-size: 4rem;
    color: var(--primary-light);
    margin-bottom: 15px;
}

.instructor-image-placeholder p {
    color: var(--gray);
}

.opportunities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.opportunity-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.opportunity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.opportunity-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.opportunity-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.opportunity-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.opportunity-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--dark-gray);
}

.opportunity-list i {
    color: var(--primary-color);
    margin-top: 3px;
}

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

/* ==========================================
   바레톤 시스템 섹션
   ========================================== */
.barretone-system {
    background: var(--gradient-light);
}

.system-slider-wrapper {
    position: relative;
    padding: 0 60px;
}

.system-slider {
    display: flex;
    gap: 30px;
    overflow: hidden;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 20px 0;
    -webkit-overflow-scrolling: touch;
    pointer-events: none;
    transition: transform 0.5s ease;
}

.system-slider > * {
    pointer-events: auto;
}

.system-slider::-webkit-scrollbar {
    height: 8px;
}

.system-slider::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: 10px;
}

.system-slider::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.system-card {
    flex: 0 0 400px;
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    scroll-snap-align: center;
    transition: var(--transition);
}

.system-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.system-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.system-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.system-description {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 25px;
}

.system-features {
    list-style: none;
}

.system-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.6;
}

.system-features i {
    color: var(--primary-color);
    font-size: 1rem;
    flex-shrink: 0;
}

.system-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.system-arrow:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.system-arrow-left {
    left: 0;
}

.system-arrow-right {
    right: 0;
}

/* ==========================================
   가맹 섹션
   ========================================== */
.franchise-section {
    background: var(--white);
}

.franchise-image {
    width: 100%;
    height: 450px;
    overflow: hidden;
    border-radius: 20px;
    margin-bottom: 60px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    cursor: pointer;
}

.franchise-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
    transition: var(--transition);
}

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

.franchise-image-placeholder {
    height: 350px;
    background: var(--gradient-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    margin-bottom: 60px;
    border: 2px dashed var(--primary-light);
}

.franchise-image-placeholder i {
    font-size: 4rem;
    color: var(--primary-light);
    margin-bottom: 15px;
}

.franchise-image-placeholder p {
    color: var(--gray);
}

.franchise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.franchise-card {
    background: var(--white);
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border: 2px solid transparent;
}

.franchise-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-5px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
}

.franchise-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.franchise-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.franchise-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark-gray);
}

/* ==========================================
   사회공헌 섹션
   ========================================== */
.social-section {
    background: var(--gradient-light);
}

.social-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
}

.social-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.social-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.social-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.social-image-placeholder {
    height: 250px;
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    border: 2px dashed var(--primary-light);
}

.social-image-placeholder i {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: 10px;
}

.social-image-placeholder p {
    color: var(--gray);
    font-size: 0.875rem;
    text-align: center;
    padding: 0 20px;
}

.social-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.social-highlight-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition);
}

.social-highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.social-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.social-highlight-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.social-highlight-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--dark-gray);
}

/* 가로 스크롤 네비게이션 공통 */
.scroll-container {
    position: relative;
}

.scroll-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(233, 30, 99, 0.7);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    display: none;
}

.scroll-arrow:hover {
    background: rgba(233, 30, 99, 0.9);
    transform: translateY(-50%) scale(1.1);
}

.scroll-arrow.left {
    left: -25px;
}

.scroll-arrow.right {
    right: -25px;
}

.scroll-arrow.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* 이미지 확대 기능 */
.image-expandable {
    position: relative;
}

.image-expand-hint {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.6);
    color: var(--light-gray);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    pointer-events: none;
    opacity: 0;
    transition: var(--transition);
}

.image-expandable:hover .image-expand-hint {
    opacity: 1;
}

/* 이미지 모달 */
.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.image-modal.active {
    display: flex;
}

.image-modal-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.image-modal-close {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 2.5rem;
    color: var(--white);
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.image-modal-close:hover {
    background: rgba(233, 30, 99, 0.8);
    transform: rotate(90deg);
}

/* 프리젠터 섹션 */
.presenters-section {
    margin-top: 60px;
    padding: 50px 40px;
    background: var(--gradient-light);
    border-radius: 20px;
}

.presenters-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 40px;
}

.presenters-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.presenter-card {
    background: var(--white);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
}

.presenter-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.presenter-image {
    width: 100%;
    height: 280px;
    margin: 0 0 15px 0;
    border-radius: 12px;
    overflow: hidden;
    background: var(--gradient-light);
}

.presenter-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.presenter-placeholder,
.presenter-placeholder-large {
    width: 100%;
    height: 100%;
    background: var(--gradient-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.presenter-placeholder i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.presenter-placeholder-large {
    border-radius: 15px;
}

.presenter-placeholder-large i {
    font-size: 5rem;
    color: var(--primary-color);
}

.presenter-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 5px;
    margin-top: 10px;
}

.presenter-role {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 10px;
    line-height: 1.4;
}

.presenter-view-bio {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
    padding: 5px 15px;
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    transition: var(--transition);
}

.presenter-card:hover .presenter-view-bio {
    background: var(--primary-color);
    color: white;
}

/* 프리젠터 모달 */
.presenter-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.presenter-modal.active {
    display: flex;
}

.presenter-modal-content {
    background: var(--white);
    border-radius: 20px;
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: fadeInUp 0.3s ease;
}

.presenter-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: var(--gray);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 1;
}

.presenter-modal-close:hover {
    background: var(--light-gray);
    color: var(--primary-color);
}

.presenter-modal-body {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    padding: 40px;
}

.presenter-modal-image-wrapper {
    width: 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.presenter-modal-image-full {
    width: 100%;
    height: auto;
    border-radius: 15px;
    border: 3px solid var(--primary-light);
    object-fit: cover;
}

.presenter-modal-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.presenter-modal-role {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.presenter-modal-bio {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--dark-gray);
}

.presenter-modal-bio h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 20px;
    margin-bottom: 10px;
}

.presenter-modal-bio ul {
    list-style: none;
    padding: 0;
}

.presenter-modal-bio li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.presenter-modal-bio li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.presenter-modal-bio p {
    margin: 10px 0;
    line-height: 1.8;
}

.presenter-modal-bio strong {
    color: var(--text-dark);
}

/* ==========================================
   미래 비전 섹션
   ========================================== */
.future-section {
    background: var(--white);
}

.future-image-placeholder {
    height: 300px;
    background: var(--gradient-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    margin-bottom: 60px;
    border: 2px dashed var(--primary-light);
}

.future-image-placeholder i {
    font-size: 4rem;
    color: var(--primary-light);
    margin-bottom: 15px;
}

.future-image-placeholder p {
    color: var(--gray);
}

.future-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.future-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.future-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
}

.future-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.future-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.future-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.future-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.future-list li {
    font-size: 0.95rem;
    color: var(--dark-gray);
}

/* ==========================================
   앱 섹션
   ========================================== */
.app-section {
    background: var(--gradient-light);
}

.app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.app-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.app-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.app-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.app-features li {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.app-features i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.app-features strong {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.app-features p {
    font-size: 0.95rem;
    color: var(--dark-gray);
}

.app-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.app-download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 25px;
    background: var(--text-dark);
    color: var(--white);
    border-radius: 10px;
    transition: var(--transition);
}

.app-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.app-download-btn i {
    font-size: 2rem;
}

.app-download-btn span {
    font-size: 0.75rem;
}

.app-download-btn strong {
    display: block;
    font-size: 1rem;
}

.app-visual {
    display: flex;
    justify-content: center;
}

.app-image-placeholder {
    width: 100%;
    height: 500px;
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    border: 2px dashed var(--primary-light);
}

.app-image-placeholder i {
    font-size: 4rem;
    color: var(--primary-light);
    margin-bottom: 15px;
}

.app-image-placeholder p {
    color: var(--gray);
}

/* ==========================================
   지점 안내 섹션
   ========================================== */
.locations-section {
    background: var(--white);
}

.locations-info {
    text-align: center;
    padding: 60px;
    background: var(--gradient-light);
    border-radius: 20px;
}

.location-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.location-text {
    font-size: 1.25rem;
    color: var(--dark-gray);
    margin-bottom: 30px;
}

.location-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================
   문의 CTA 섹션
   ========================================== */
.contact-cta-section {
    background: var(--gradient-light);
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.cta-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.cta-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.cta-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.cta-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.cta-description {
    font-size: 1rem;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.cta-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
}

.cta-link:hover {
    gap: 15px;
}

/* 가맹 문의 폼 */
.franchise-form-section {
    background: var(--white);
    padding: 60px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    max-width: 900px;
    margin: 0 auto;
}

.form-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.franchise-form {
    width: 100%;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-privacy {
    margin-bottom: 30px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* ==========================================
   푸터
   ========================================== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 40px 0;
}

.footer-copyright {
    text-align: center;
}

.footer-copyright p {
    color: var(--gray);
    font-size: 0.875rem;
}

/* ==========================================
   스크롤 탑 버튼
   ========================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(233, 30, 99, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(233, 30, 99, 0.4);
}

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

/* ==========================================
   반응형 디자인
   ========================================== */
@media (max-width: 992px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-links {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        gap: 10px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 15px 20px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .app-content {
        grid-template-columns: 1fr;
    }
    
    .future-grid {
        grid-template-columns: 1fr;
    }
    
    .logo-image {
        height: 38px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    /* 모바일에서 숫자로 보는 바레톤 여백 축소 */
    .stat-card {
        padding: 25px 20px;
    }
    
    .stat-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .stat-label {
        margin-bottom: 8px;
    }
    
    .stat-description {
        font-size: 0.8rem;
    }
    
    /* "년" 항상 보이게 */
    .stat-unit {
        display: inline;
    }
    
    .stats-grid,
    .programs-grid,
    .cta-grid {
        grid-template-columns: 1fr;
    }
    
    /* 가로 스크롤 섹션들 */
    .global-grid,
    .opportunities-grid,
    .franchise-grid,
    .presenters-grid,
    .social-highlights,
    .social-images,
    .future-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 20px;
        padding-bottom: 20px;
        -webkit-overflow-scrolling: touch;
    }
    
    /* 모바일에서 슬라이더 스와이프 가능 */
    .activity-slider,
    .system-slider {
        overflow-x: auto;
        pointer-events: auto;
    }
    
    .global-grid::-webkit-scrollbar,
    .opportunities-grid::-webkit-scrollbar,
    .franchise-grid::-webkit-scrollbar,
    .presenters-grid::-webkit-scrollbar,
    .social-highlights::-webkit-scrollbar,
    .social-images::-webkit-scrollbar,
    .future-grid::-webkit-scrollbar,
    .activity-slider::-webkit-scrollbar,
    .system-slider::-webkit-scrollbar {
        height: 8px;
    }
    
    .global-grid::-webkit-scrollbar-track,
    .opportunities-grid::-webkit-scrollbar-track,
    .franchise-grid::-webkit-scrollbar-track,
    .presenters-grid::-webkit-scrollbar-track,
    .social-highlights::-webkit-scrollbar-track,
    .social-images::-webkit-scrollbar-track,
    .future-grid::-webkit-scrollbar-track,
    .activity-slider::-webkit-scrollbar-track,
    .system-slider::-webkit-scrollbar-track {
        background: var(--light-gray);
        border-radius: 10px;
    }
    
    .global-grid::-webkit-scrollbar-thumb,
    .opportunities-grid::-webkit-scrollbar-thumb,
    .franchise-grid::-webkit-scrollbar-thumb,
    .presenters-grid::-webkit-scrollbar-thumb,
    .social-highlights::-webkit-scrollbar-thumb,
    .social-images::-webkit-scrollbar-thumb,
    .future-grid::-webkit-scrollbar-thumb,
    .activity-slider::-webkit-scrollbar-thumb,
    .system-slider::-webkit-scrollbar-thumb {
        background: var(--primary-color);
        border-radius: 10px;
    }
    
    .global-card,
    .opportunity-card,
    .franchise-card,
    .presenter-card,
    .social-highlight-card,
    .social-image,
    .future-card,
    .activity-video,
    .system-card {
        min-width: 300px;
        max-width: 300px;
        scroll-snap-align: start;
        flex-shrink: 0;
    }
    
    .activity-video {
        min-width: 90vw;
        max-width: 90vw;
    }
    
    .activity-video iframe {
        height: 250px;
    }
    
    /* 화살표 숨기기 (모바일에서는 스와이프) */
    .slider-arrow,
    .system-arrow {
        display: none;
    }
    
    .activity-slider-wrapper,
    .system-slider-wrapper {
        padding: 0;
    }
    
    /* 화살표 네비게이션 표시 */
    .scroll-arrow {
        display: block;
    }
    
    .franchise-form-section {
        padding: 40px 30px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
    }
    
    .app-buttons {
        flex-direction: column;
    }
    
    .app-download-btn {
        width: 100%;
        justify-content: center;
    }
    
    .logo-image {
        height: 32px;
    }
    
    .instructor-image,
    .franchise-image {
        height: 300px;
    }
    
    .presenter-modal-body {
        grid-template-columns: 1fr;
        padding: 30px;
    }
    
    .presenter-modal-image-wrapper {
        width: 100%;
        margin: 0 auto;
    }
    
    .presenter-modal-image-full {
        max-width: 300px;
        margin: 0 auto;
        display: block;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .logo-image {
        height: 30px;
    }
    
    .card-video-container,
    .card-image {
        height: 220px;
    }
}